database: dropped CheckConstraint for auto-increment field for mysql/mariadb compatability.

- https://mariadb.com/kb/en/library/constraint/#auto_increment
- causes installation error on later MariaDB/MySQL

rhodecode/lib/dbmigrate/schema/db_1_2_0.py

@@ -1,1044 +1,1044 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2010-2019 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 import os
 import logging
 import datetime
 import traceback
 from datetime import date
 
 from sqlalchemy import *
 from sqlalchemy.ext.hybrid import hybrid_property
 from sqlalchemy.orm import relationship, joinedload, class_mapper, validates
 from beaker.cache import cache_region, region_invalidate
 from pyramid import compat
 
 from rhodecode.lib.vcs import get_backend
 from rhodecode.lib.vcs.utils.helpers import get_scm
 from rhodecode.lib.vcs.exceptions import VCSError
 from zope.cachedescriptors.property import Lazy as LazyProperty
 from rhodecode.lib.auth import generate_auth_token
 from rhodecode.lib.utils2 import str2bool, safe_str, get_commit_safe, safe_unicode
 from rhodecode.lib.exceptions import UserGroupAssignedException
 from rhodecode.lib.ext_json import json
 
 from rhodecode.model.meta import Base, Session
 from rhodecode.lib.caching_query import FromCache
 
 
 log = logging.getLogger(__name__)
 
 #==============================================================================
 # BASE CLASSES
 #==============================================================================
 
 class ModelSerializer(json.JSONEncoder):
     """
     Simple Serializer for JSON,
 
     usage::
 
         to make object customized for serialization implement a __json__
         method that will return a dict for serialization into json
 
     example::
 
         class Task(object):
 
             def __init__(self, name, value):
                 self.name = name
                 self.value = value
 
             def __json__(self):
                 return dict(name=self.name,
                             value=self.value)
 
     """
 
     def default(self, obj):
 
         if hasattr(obj, '__json__'):
             return obj.__json__()
         else:
             return json.JSONEncoder.default(self, obj)
 
 class BaseModel(object):
     """Base Model for all classess
 
     """
 
     @classmethod
     def _get_keys(cls):
         """return column names for this model """
         return class_mapper(cls).c.keys()
 
     def get_dict(self):
         """return dict with keys and values corresponding
         to this model data """
 
         d = {}
         for k in self._get_keys():
             d[k] = getattr(self, k)
         return d
 
     def get_appstruct(self):
         """return list with keys and values tupples corresponding
         to this model data """
 
         l = []
         for k in self._get_keys():
             l.append((k, getattr(self, k),))
         return l
 
     def populate_obj(self, populate_dict):
         """populate model with data from given populate_dict"""
 
         for k in self._get_keys():
             if k in populate_dict:
                 setattr(self, k, populate_dict[k])
 
     @classmethod
     def query(cls):
         return Session.query(cls)
 
     @classmethod
     def get(cls, id_):
         if id_:
             return cls.query().get(id_)
 
     @classmethod
     def getAll(cls):
         return cls.query().all()
 
     @classmethod
     def delete(cls, id_):
         obj = cls.query().get(id_)
         Session.delete(obj)
         Session.commit()
 
 
 class RhodeCodeSetting(Base, BaseModel):
     __tablename__ = 'rhodecode_settings'
     __table_args__ = (UniqueConstraint('app_settings_name'), {'extend_existing':True})
     app_settings_id = Column("app_settings_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     app_settings_name = Column("app_settings_name", String(255), nullable=True, unique=None, default=None)
     _app_settings_value = Column("app_settings_value", String(255), nullable=True, unique=None, default=None)
 
     def __init__(self, k='', v=''):
         self.app_settings_name = k
         self.app_settings_value = v
 
 
     @validates('_app_settings_value')
     def validate_settings_value(self, key, val):
         assert type(val) == unicode
         return val
 
     @hybrid_property
     def app_settings_value(self):
         v = self._app_settings_value
         if v == 'ldap_active':
             v = str2bool(v)
         return v
 
     @app_settings_value.setter
     def app_settings_value(self, val):
         """
         Setter that will always make sure we use unicode in app_settings_value
 
         :param val:
         """
         self._app_settings_value = safe_unicode(val)
 
     def __repr__(self):
         return "<%s('%s:%s')>" % (self.__class__.__name__,
                                   self.app_settings_name, self.app_settings_value)
 
 
     @classmethod
     def get_by_name(cls, ldap_key):
         return cls.query()\
             .filter(cls.app_settings_name == ldap_key).scalar()
 
     @classmethod
     def get_app_settings(cls, cache=False):
 
         ret = cls.query()
 
         if cache:
             ret = ret.options(FromCache("sql_cache_short", "get_hg_settings"))
 
         if not ret:
             raise Exception('Could not get application settings !')
         settings = {}
         for each in ret:
             settings['rhodecode_' + each.app_settings_name] = \
                 each.app_settings_value
 
         return settings
 
     @classmethod
     def get_ldap_settings(cls, cache=False):
         ret = cls.query()\
                 .filter(cls.app_settings_name.startswith('ldap_')).all()
         fd = {}
         for row in ret:
             fd.update({row.app_settings_name:row.app_settings_value})
 
         return fd
 
 
 class RhodeCodeUi(Base, BaseModel):
     __tablename__ = 'rhodecode_ui'
     __table_args__ = (UniqueConstraint('ui_key'), {'extend_existing':True})
 
     HOOK_REPO_SIZE = 'changegroup.repo_size'
     HOOK_PUSH = 'pretxnchangegroup.push_logger'
     HOOK_PULL = 'preoutgoing.pull_logger'
 
     ui_id = Column("ui_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     ui_section = Column("ui_section", String(255), nullable=True, unique=None, default=None)
     ui_key = Column("ui_key", String(255), nullable=True, unique=None, default=None)
     ui_value = Column("ui_value", String(255), nullable=True, unique=None, default=None)
     ui_active = Column("ui_active", Boolean(), nullable=True, unique=None, default=True)
 
 
     @classmethod
     def get_by_key(cls, key):
         return cls.query().filter(cls.ui_key == key)
 
 
     @classmethod
     def get_builtin_hooks(cls):
         q = cls.query()
         q = q.filter(cls.ui_key.in_([cls.HOOK_REPO_SIZE,
                                      cls.HOOK_PUSH, cls.HOOK_PULL]))
         return q.all()
 
     @classmethod
     def get_custom_hooks(cls):
         q = cls.query()
         q = q.filter(~cls.ui_key.in_([cls.HOOK_REPO_SIZE,
                                       cls.HOOK_PUSH, cls.HOOK_PULL]))
         q = q.filter(cls.ui_section == 'hooks')
         return q.all()
 
     @classmethod
     def create_or_update_hook(cls, key, val):
         new_ui = cls.get_by_key(key).scalar() or cls()
         new_ui.ui_section = 'hooks'
         new_ui.ui_active = True
         new_ui.ui_key = key
         new_ui.ui_value = val
 
         Session.add(new_ui)
         Session.commit()
 
 
 class User(Base, BaseModel):
     __tablename__ = 'users'
     __table_args__ = (UniqueConstraint('username'), UniqueConstraint('email'), {'extend_existing':True})
     user_id = Column("user_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     username = Column("username", String(255), nullable=True, unique=None, default=None)
     password = Column("password", String(255), nullable=True, unique=None, default=None)
     active = Column("active", Boolean(), nullable=True, unique=None, default=None)
     admin = Column("admin", Boolean(), nullable=True, unique=None, default=False)
     name = Column("name", String(255), nullable=True, unique=None, default=None)
     lastname = Column("lastname", String(255), nullable=True, unique=None, default=None)
     email = Column("email", String(255), nullable=True, unique=None, default=None)
     last_login = Column("last_login", DateTime(timezone=False), nullable=True, unique=None, default=None)
     ldap_dn = Column("ldap_dn", String(255), nullable=True, unique=None, default=None)
     api_key = Column("api_key", String(255), nullable=True, unique=None, default=None)
 
     user_log = relationship('UserLog', cascade='all')
     user_perms = relationship('UserToPerm', primaryjoin="User.user_id==UserToPerm.user_id", cascade='all')
 
     repositories = relationship('Repository')
     user_followers = relationship('UserFollowing', primaryjoin='UserFollowing.follows_user_id==User.user_id', cascade='all')
     repo_to_perm = relationship('UserRepoToPerm', primaryjoin='UserRepoToPerm.user_id==User.user_id', cascade='all')
 
     group_member = relationship('UserGroupMember', cascade='all')
 
     @property
     def full_contact(self):
         return '%s %s <%s>' % (self.name, self.lastname, self.email)
 
     @property
     def short_contact(self):
         return '%s %s' % (self.name, self.lastname)
 
     @property
     def is_admin(self):
         return self.admin
 
     def __repr__(self):
         try:
             return "<%s('id:%s:%s')>" % (self.__class__.__name__,
                                              self.user_id, self.username)
         except:
             return self.__class__.__name__
 
     @classmethod
     def get_by_username(cls, username, case_insensitive=False):
         if case_insensitive:
             return Session.query(cls).filter(cls.username.ilike(username)).scalar()
         else:
             return Session.query(cls).filter(cls.username == username).scalar()
 
     @classmethod
     def get_by_auth_token(cls, auth_token):
         return cls.query().filter(cls.api_key == auth_token).one()
 
     def update_lastlogin(self):
         """Update user lastlogin"""
 
         self.last_login = datetime.datetime.now()
         Session.add(self)
         Session.commit()
         log.debug('updated user %s lastlogin', self.username)
 
     @classmethod
     def create(cls, form_data):
         from rhodecode.lib.auth import get_crypt_password
 
         try:
             new_user = cls()
             for k, v in form_data.items():
                 if k == 'password':
                     v = get_crypt_password(v)
                 setattr(new_user, k, v)
 
             new_user.api_key = generate_auth_token(form_data['username'])
             Session.add(new_user)
             Session.commit()
             return new_user
         except:
             log.error(traceback.format_exc())
             Session.rollback()
             raise
 
 class UserLog(Base, BaseModel):
     __tablename__ = 'user_logs'
     __table_args__ = {'extend_existing':True}
     user_log_id = Column("user_log_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
     repository_name = Column("repository_name", String(255), nullable=True, unique=None, default=None)
     user_ip = Column("user_ip", String(255), nullable=True, unique=None, default=None)
     action = Column("action", String(1200000), nullable=True, unique=None, default=None)
     action_date = Column("action_date", DateTime(timezone=False), nullable=True, unique=None, default=None)
 
     @property
     def action_as_day(self):
         return date(*self.action_date.timetuple()[:3])
 
     user = relationship('User')
     repository = relationship('Repository')
 
 
 class UserGroup(Base, BaseModel):
     __tablename__ = 'users_groups'
     __table_args__ = {'extend_existing':True}
 
     users_group_id = Column("users_group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_name = Column("users_group_name", String(255), nullable=False, unique=True, default=None)
     users_group_active = Column("users_group_active", Boolean(), nullable=True, unique=None, default=None)
 
     members = relationship('UserGroupMember', cascade="all, delete, delete-orphan", lazy="joined")
 
     def __repr__(self):
         return '<userGroup(%s)>' % (self.users_group_name)
 
     @classmethod
     def get_by_group_name(cls, group_name, cache=False, case_insensitive=False):
         if case_insensitive:
             gr = cls.query()\
                 .filter(cls.users_group_name.ilike(group_name))
         else:
             gr = cls.query()\
                 .filter(cls.users_group_name == group_name)
         if cache:
             gr = gr.options(FromCache("sql_cache_short",
                                           "get_user_%s" % group_name))
         return gr.scalar()
 
     @classmethod
     def get(cls, users_group_id, cache=False):
         users_group = cls.query()
         if cache:
             users_group = users_group.options(FromCache("sql_cache_short",
                                     "get_users_group_%s" % users_group_id))
         return users_group.get(users_group_id)
 
     @classmethod
     def create(cls, form_data):
         try:
             new_user_group = cls()
             for k, v in form_data.items():
                 setattr(new_user_group, k, v)
 
             Session.add(new_user_group)
             Session.commit()
             return new_user_group
         except:
             log.error(traceback.format_exc())
             Session.rollback()
             raise
 
     @classmethod
     def update(cls, users_group_id, form_data):
 
         try:
             users_group = cls.get(users_group_id, cache=False)
 
             for k, v in form_data.items():
                 if k == 'users_group_members':
                     users_group.members = []
                     Session.flush()
                     members_list = []
                     if v:
                         v = [v] if isinstance(v, compat.string_types) else v
                         for u_id in set(v):
                             member = UserGroupMember(users_group_id, u_id)
                             members_list.append(member)
                     setattr(users_group, 'members', members_list)
                 setattr(users_group, k, v)
 
             Session.add(users_group)
             Session.commit()
         except:
             log.error(traceback.format_exc())
             Session.rollback()
             raise
 
     @classmethod
     def delete(cls, user_group_id):
         try:
 
             # check if this group is not assigned to repo
             assigned_groups = UserGroupRepoToPerm.query()\
                 .filter(UserGroupRepoToPerm.users_group_id ==
                         user_group_id).all()
 
             if assigned_groups:
                 raise UserGroupAssignedException(
                     'UserGroup assigned to %s' % assigned_groups)
 
             users_group = cls.get(user_group_id, cache=False)
             Session.delete(users_group)
             Session.commit()
         except:
             log.error(traceback.format_exc())
             Session.rollback()
             raise
 
 class UserGroupMember(Base, BaseModel):
     __tablename__ = 'users_groups_members'
     __table_args__ = {'extend_existing':True}
 
     users_group_member_id = Column("users_group_member_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User', lazy='joined')
     users_group = relationship('UserGroup')
 
     def __init__(self, gr_id='', u_id=''):
         self.users_group_id = gr_id
         self.user_id = u_id
 
     @staticmethod
     def add_user_to_group(group, user):
         ugm = UserGroupMember()
         ugm.users_group = group
         ugm.user = user
         Session.add(ugm)
         Session.commit()
         return ugm
 
 class Repository(Base, BaseModel):
     __tablename__ = 'repositories'
     __table_args__ = (UniqueConstraint('repo_name'), {'extend_existing':True},)
 
     repo_id = Column("repo_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repo_name = Column("repo_name", String(255), nullable=False, unique=True, default=None)
     clone_uri = Column("clone_uri", String(255), nullable=True, unique=False, default=None)
     repo_type = Column("repo_type", String(255), nullable=False, unique=False, default='hg')
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)
     private = Column("private", Boolean(), nullable=True, unique=None, default=None)
     enable_statistics = Column("statistics", Boolean(), nullable=True, unique=None, default=True)
     enable_downloads = Column("downloads", Boolean(), nullable=True, unique=None, default=True)
     description = Column("description", String(10000), nullable=True, unique=None, default=None)
     created_on = Column('created_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
 
     fork_id = Column("fork_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=False, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=False, default=None)
 
 
     user = relationship('User')
     fork = relationship('Repository', remote_side=repo_id)
     group = relationship('RepoGroup')
     repo_to_perm = relationship('UserRepoToPerm', cascade='all', order_by='UserRepoToPerm.repo_to_perm_id')
     users_group_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
     stats = relationship('Statistics', cascade='all', uselist=False)
 
     followers = relationship('UserFollowing', primaryjoin='UserFollowing.follows_repo_id==Repository.repo_id', cascade='all')
 
     logs = relationship('UserLog', cascade='all')
 
     def __repr__(self):
         return "<%s('%s:%s')>" % (self.__class__.__name__,
                                   self.repo_id, self.repo_name)
 
     @classmethod
     def url_sep(cls):
         return '/'
 
     @classmethod
     def get_by_repo_name(cls, repo_name):
         q = Session.query(cls).filter(cls.repo_name == repo_name)
         q = q.options(joinedload(Repository.fork))\
                 .options(joinedload(Repository.user))\
                 .options(joinedload(Repository.group))
         return q.one()
 
     @classmethod
     def get_repo_forks(cls, repo_id):
         return cls.query().filter(Repository.fork_id == repo_id)
 
     @classmethod
     def base_path(cls):
         """
         Returns base path when all repos are stored
 
         :param cls:
         """
         q = Session.query(RhodeCodeUi).filter(RhodeCodeUi.ui_key ==
                                               cls.url_sep())
         q.options(FromCache("sql_cache_short", "repository_repo_path"))
         return q.one().ui_value
 
     @property
     def just_name(self):
         return self.repo_name.split(Repository.url_sep())[-1]
 
     @property
     def groups_with_parents(self):
         groups = []
         if self.group is None:
             return groups
 
         cur_gr = self.group
         groups.insert(0, cur_gr)
         while 1:
             gr = getattr(cur_gr, 'parent_group', None)
             cur_gr = cur_gr.parent_group
             if gr is None:
                 break
             groups.insert(0, gr)
 
         return groups
 
     @property
     def groups_and_repo(self):
         return self.groups_with_parents, self.just_name
 
     @LazyProperty
     def repo_path(self):
         """
         Returns base full path for that repository means where it actually
         exists on a filesystem
         """
         q = Session.query(RhodeCodeUi).filter(RhodeCodeUi.ui_key ==
                                               Repository.url_sep())
         q.options(FromCache("sql_cache_short", "repository_repo_path"))
         return q.one().ui_value
 
     @property
     def repo_full_path(self):
         p = [self.repo_path]
         # we need to split the name by / since this is how we store the
         # names in the database, but that eventually needs to be converted
         # into a valid system path
         p += self.repo_name.split(Repository.url_sep())
         return os.path.join(*p)
 
     def get_new_name(self, repo_name):
         """
         returns new full repository name based on assigned group and new new
 
         :param group_name:
         """
         path_prefix = self.group.full_path_splitted if self.group else []
         return Repository.url_sep().join(path_prefix + [repo_name])
 
     @property
     def _config(self):
         """
         Returns db based config object.
         """
         from rhodecode.lib.utils import make_db_config
         return make_db_config(clear_session=False)
 
     @classmethod
     def is_valid(cls, repo_name):
         """
         returns True if given repo name is a valid filesystem repository
 
         :param cls:
         :param repo_name:
         """
         from rhodecode.lib.utils import is_valid_repo
 
         return is_valid_repo(repo_name, cls.base_path())
 
 
     #==========================================================================
     # SCM PROPERTIES
     #==========================================================================
 
     def get_commit(self, rev):
         return get_commit_safe(self.scm_instance, rev)
 
     @property
     def tip(self):
         return self.get_commit('tip')
 
     @property
     def author(self):
         return self.tip.author
 
     @property
     def last_change(self):
         return self.scm_instance.last_change
 
     #==========================================================================
     # SCM CACHE INSTANCE
     #==========================================================================
 
     @property
     def invalidate(self):
         return CacheInvalidation.invalidate(self.repo_name)
 
     def set_invalidate(self):
         """
         set a cache for invalidation for this instance
         """
         CacheInvalidation.set_invalidate(self.repo_name)
 
     @LazyProperty
     def scm_instance(self):
         return self.__get_instance()
 
     @property
     def scm_instance_cached(self):
         return self.__get_instance()
 
     def __get_instance(self):
 
         repo_full_path = self.repo_full_path
 
         try:
             alias = get_scm(repo_full_path)[0]
             log.debug('Creating instance of %s repository', alias)
             backend = get_backend(alias)
         except VCSError:
             log.error(traceback.format_exc())
             log.error('Perhaps this repository is in db and not in '
                       'filesystem run rescan repositories with '
                       '"destroy old data " option from admin panel')
             return
 
         if alias == 'hg':
 
             repo = backend(safe_str(repo_full_path), create=False,
                            config=self._config)
 
         else:
             repo = backend(repo_full_path, create=False)
 
         return repo
 
 
 class Group(Base, BaseModel):
     __tablename__ = 'groups'
     __table_args__ = (UniqueConstraint('group_name', 'group_parent_id'),
-                      CheckConstraint('group_id != group_parent_id'), {'extend_existing':True},)
+                      {'extend_existing':True},)
     __mapper_args__ = {'order_by':'group_name'}
 
     group_id = Column("group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     group_name = Column("group_name", String(255), nullable=False, unique=True, default=None)
     group_parent_id = Column("group_parent_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=None, default=None)
     group_description = Column("group_description", String(10000), nullable=True, unique=None, default=None)
 
     parent_group = relationship('Group', remote_side=group_id)
 
     def __init__(self, group_name='', parent_group=None):
         self.group_name = group_name
         self.parent_group = parent_group
 
     def __repr__(self):
         return "<%s('%s:%s')>" % (self.__class__.__name__, self.group_id,
                                   self.group_name)
 
     @classmethod
     def url_sep(cls):
         return '/'
 
     @classmethod
     def get_by_group_name(cls, group_name, cache=False, case_insensitive=False):
         if case_insensitive:
             gr = cls.query()\
                 .filter(cls.group_name.ilike(group_name))
         else:
             gr = cls.query()\
                 .filter(cls.group_name == group_name)
         if cache:
             gr = gr.options(FromCache("sql_cache_short",
                                           "get_group_%s" % group_name))
         return gr.scalar()
 
     @property
     def parents(self):
         parents_recursion_limit = 5
         groups = []
         if self.parent_group is None:
             return groups
         cur_gr = self.parent_group
         groups.insert(0, cur_gr)
         cnt = 0
         while 1:
             cnt += 1
             gr = getattr(cur_gr, 'parent_group', None)
             cur_gr = cur_gr.parent_group
             if gr is None:
                 break
             if cnt == parents_recursion_limit:
                 # this will prevent accidental infinit loops
                 log.error('group nested more than %s',
                           parents_recursion_limit)
                 break
 
             groups.insert(0, gr)
         return groups
 
     @property
     def children(self):
         return Group.query().filter(Group.parent_group == self)
 
     @property
     def name(self):
         return self.group_name.split(Group.url_sep())[-1]
 
     @property
     def full_path(self):
         return self.group_name
 
     @property
     def full_path_splitted(self):
         return self.group_name.split(Group.url_sep())
 
     @property
     def repositories(self):
         return Repository.query().filter(Repository.group == self)
 
     @property
     def repositories_recursive_count(self):
         cnt = self.repositories.count()
 
         def children_count(group):
             cnt = 0
             for child in group.children:
                 cnt += child.repositories.count()
                 cnt += children_count(child)
             return cnt
 
         return cnt + children_count(self)
 
 
     def get_new_name(self, group_name):
         """
         returns new full group name based on parent and new name
 
         :param group_name:
         """
         path_prefix = (self.parent_group.full_path_splitted if
                        self.parent_group else [])
         return Group.url_sep().join(path_prefix + [group_name])
 
 
 class Permission(Base, BaseModel):
     __tablename__ = 'permissions'
     __table_args__ = {'extend_existing':True}
     permission_id = Column("permission_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     permission_name = Column("permission_name", String(255), nullable=True, unique=None, default=None)
     permission_longname = Column("permission_longname", String(255), nullable=True, unique=None, default=None)
 
     def __repr__(self):
         return "<%s('%s:%s')>" % (self.__class__.__name__,
                                   self.permission_id, self.permission_name)
 
     @classmethod
     def get_by_key(cls, key):
         return cls.query().filter(cls.permission_name == key).scalar()
 
 class UserRepoToPerm(Base, BaseModel):
     __tablename__ = 'repo_to_perm'
     __table_args__ = (UniqueConstraint('user_id', 'repository_id'), {'extend_existing':True})
     repo_to_perm_id = Column("repo_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     permission = relationship('Permission')
     repository = relationship('Repository')
 
 class UserToPerm(Base, BaseModel):
     __tablename__ = 'user_to_perm'
     __table_args__ = (UniqueConstraint('user_id', 'permission_id'), {'extend_existing':True})
     user_to_perm_id = Column("user_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     permission = relationship('Permission')
 
     @classmethod
     def has_perm(cls, user_id, perm):
         if not isinstance(perm, Permission):
             raise Exception('perm needs to be an instance of Permission class')
 
         return cls.query().filter(cls.user_id == user_id)\
             .filter(cls.permission == perm).scalar() is not None
 
     @classmethod
     def grant_perm(cls, user_id, perm):
         if not isinstance(perm, Permission):
             raise Exception('perm needs to be an instance of Permission class')
 
         new = cls()
         new.user_id = user_id
         new.permission = perm
         try:
             Session.add(new)
             Session.commit()
         except:
             Session.rollback()
 
 
     @classmethod
     def revoke_perm(cls, user_id, perm):
         if not isinstance(perm, Permission):
             raise Exception('perm needs to be an instance of Permission class')
 
         try:
             cls.query().filter(cls.user_id == user_id) \
                 .filter(cls.permission == perm).delete()
             Session.commit()
         except:
             Session.rollback()
 
 class UserGroupRepoToPerm(Base, BaseModel):
     __tablename__ = 'users_group_repo_to_perm'
     __table_args__ = (UniqueConstraint('repository_id', 'users_group_id', 'permission_id'), {'extend_existing':True})
     users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
     repository = relationship('Repository')
 
     def __repr__(self):
         return '<userGroup:%s => %s >' % (self.users_group, self.repository)
 
 class UserGroupToPerm(Base, BaseModel):
     __tablename__ = 'users_group_to_perm'
     __table_args__ = {'extend_existing':True}
     users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
 
 
     @classmethod
     def has_perm(cls, users_group_id, perm):
         if not isinstance(perm, Permission):
             raise Exception('perm needs to be an instance of Permission class')
 
         return cls.query().filter(cls.users_group_id ==
                                          users_group_id)\
                                          .filter(cls.permission == perm)\
                                          .scalar() is not None
 
     @classmethod
     def grant_perm(cls, users_group_id, perm):
         if not isinstance(perm, Permission):
             raise Exception('perm needs to be an instance of Permission class')
 
         new = cls()
         new.users_group_id = users_group_id
         new.permission = perm
         try:
             Session.add(new)
             Session.commit()
         except:
             Session.rollback()
 
 
     @classmethod
     def revoke_perm(cls, users_group_id, perm):
         if not isinstance(perm, Permission):
             raise Exception('perm needs to be an instance of Permission class')
 
         try:
             cls.query().filter(cls.users_group_id == users_group_id) \
                 .filter(cls.permission == perm).delete()
             Session.commit()
         except:
             Session.rollback()
 
 
 class UserRepoGroupToPerm(Base, BaseModel):
     __tablename__ = 'group_to_perm'
     __table_args__ = (UniqueConstraint('group_id', 'permission_id'), {'extend_existing':True})
 
     group_to_perm_id = Column("group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     permission = relationship('Permission')
     group = relationship('RepoGroup')
 
 class Statistics(Base, BaseModel):
     __tablename__ = 'statistics'
     __table_args__ = (UniqueConstraint('repository_id'), {'extend_existing':True})
     stat_id = Column("stat_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=True, default=None)
     stat_on_revision = Column("stat_on_revision", Integer(), nullable=False)
     commit_activity = Column("commit_activity", LargeBinary(1000000), nullable=False)#JSON data
     commit_activity_combined = Column("commit_activity_combined", LargeBinary(), nullable=False)#JSON data
     languages = Column("languages", LargeBinary(1000000), nullable=False)#JSON data
 
     repository = relationship('Repository', single_parent=True)
 
 class UserFollowing(Base, BaseModel):
     __tablename__ = 'user_followings'
     __table_args__ = (UniqueConstraint('user_id', 'follows_repository_id'),
                       UniqueConstraint('user_id', 'follows_user_id')
                       , {'extend_existing':True})
 
     user_following_id = Column("user_following_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     follows_repo_id = Column("follows_repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=None, default=None)
     follows_user_id = Column("follows_user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     follows_from = Column('follows_from', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
 
     user = relationship('User', primaryjoin='User.user_id==UserFollowing.user_id')
 
     follows_user = relationship('User', primaryjoin='User.user_id==UserFollowing.follows_user_id')
     follows_repository = relationship('Repository', order_by='Repository.repo_name')
 
 
     @classmethod
     def get_repo_followers(cls, repo_id):
         return cls.query().filter(cls.follows_repo_id == repo_id)
 
 class CacheInvalidation(Base, BaseModel):
     __tablename__ = 'cache_invalidation'
     __table_args__ = (UniqueConstraint('cache_key'), {'extend_existing':True})
     cache_id = Column("cache_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     cache_key = Column("cache_key", String(255), nullable=True, unique=None, default=None)
     cache_args = Column("cache_args", String(255), nullable=True, unique=None, default=None)
     cache_active = Column("cache_active", Boolean(), nullable=True, unique=None, default=False)
 
 
     def __init__(self, cache_key, cache_args=''):
         self.cache_key = cache_key
         self.cache_args = cache_args
         self.cache_active = False
 
     def __repr__(self):
         return "<%s('%s:%s')>" % (self.__class__.__name__,
                                   self.cache_id, self.cache_key)
 
     @classmethod
     def invalidate(cls, key):
         """
         Returns Invalidation object if this given key should be invalidated
         None otherwise. `cache_active = False` means that this cache
         state is not valid and needs to be invalidated
 
         :param key:
         """
         return cls.query()\
                 .filter(CacheInvalidation.cache_key == key)\
                 .filter(CacheInvalidation.cache_active == False)\
                 .scalar()
 
     @classmethod
     def set_invalidate(cls, key):
         """
         Mark this Cache key for invalidation
 
         :param key:
         """
 
         log.debug('marking %s for invalidation', key)
         inv_obj = Session.query(cls)\
             .filter(cls.cache_key == key).scalar()
         if inv_obj:
             inv_obj.cache_active = False
         else:
             log.debug('cache key not found in invalidation db -> creating one')
             inv_obj = CacheInvalidation(key)
 
         try:
             Session.add(inv_obj)
             Session.commit()
         except Exception:
             log.error(traceback.format_exc())
             Session.rollback()
 
     @classmethod
     def set_valid(cls, key):
         """
         Mark this cache key as active and currently cached
 
         :param key:
         """
         inv_obj = Session.query(CacheInvalidation)\
             .filter(CacheInvalidation.cache_key == key).scalar()
         inv_obj.cache_active = True
         Session.add(inv_obj)
         Session.commit()
 
 class DbMigrateVersion(Base, BaseModel):
     __tablename__ = 'db_migrate_version'
     __table_args__ = {'extend_existing':True}
     repository_id = Column('repository_id', String(250), primary_key=True)
     repository_path = Column('repository_path', Text)
     version = Column('version', Integer)

rhodecode/lib/dbmigrate/schema/db_1_3_0.py

@@ -1,1264 +1,1263 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2010-2019 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 import os
 import logging
 import datetime
 import traceback
 from collections import defaultdict
 
 from sqlalchemy import *
 from sqlalchemy.ext.hybrid import hybrid_property
 from sqlalchemy.orm import relationship, joinedload, class_mapper, validates
 from beaker.cache import cache_region, region_invalidate
 
 from rhodecode.lib.vcs import get_backend
 from rhodecode.lib.vcs.utils.helpers import get_scm
 from rhodecode.lib.vcs.exceptions import VCSError
 from zope.cachedescriptors.property import Lazy as LazyProperty
 
 from rhodecode.lib.utils2 import str2bool, safe_str, get_commit_safe, \
     safe_unicode
 from rhodecode.lib.ext_json import json
 from rhodecode.lib.caching_query import FromCache
 
 from rhodecode.model.meta import Base, Session
 import hashlib
 
 
 log = logging.getLogger(__name__)
 
 #==============================================================================
 # BASE CLASSES
 #==============================================================================
 
 _hash_key = lambda k: hashlib.md5(safe_str(k)).hexdigest()
 
 
 class ModelSerializer(json.JSONEncoder):
     """
     Simple Serializer for JSON,
 
     usage::
 
         to make object customized for serialization implement a __json__
         method that will return a dict for serialization into json
 
     example::
 
         class Task(object):
 
             def __init__(self, name, value):
                 self.name = name
                 self.value = value
 
             def __json__(self):
                 return dict(name=self.name,
                             value=self.value)
 
     """
 
     def default(self, obj):
 
         if hasattr(obj, '__json__'):
             return obj.__json__()
         else:
             return json.JSONEncoder.default(self, obj)
 
 
 class BaseModel(object):
     """
     Base Model for all classess
     """
 
     @classmethod
     def _get_keys(cls):
         """return column names for this model """
         return class_mapper(cls).c.keys()
 
     def get_dict(self):
         """
         return dict with keys and values corresponding
         to this model data """
 
         d = {}
         for k in self._get_keys():
             d[k] = getattr(self, k)
 
         # also use __json__() if present to get additional fields
         for k, val in getattr(self, '__json__', lambda: {})().iteritems():
             d[k] = val
         return d
 
     def get_appstruct(self):
         """return list with keys and values tupples corresponding
         to this model data """
 
         l = []
         for k in self._get_keys():
             l.append((k, getattr(self, k),))
         return l
 
     def populate_obj(self, populate_dict):
         """populate model with data from given populate_dict"""
 
         for k in self._get_keys():
             if k in populate_dict:
                 setattr(self, k, populate_dict[k])
 
     @classmethod
     def query(cls):
         return Session.query(cls)
 
     @classmethod
     def get(cls, id_):
         if id_:
             return cls.query().get(id_)
 
     @classmethod
     def getAll(cls):
         return cls.query().all()
 
     @classmethod
     def delete(cls, id_):
         obj = cls.query().get(id_)
         Session.delete(obj)
 
     def __repr__(self):
         if hasattr(self, '__unicode__'):
             # python repr needs to return str
             return safe_str(self.__unicode__())
         return '<DB:%s>' % (self.__class__.__name__)
 
 
 class RhodeCodeSetting(Base, BaseModel):
     __tablename__ = 'rhodecode_settings'
     __table_args__ = (
         UniqueConstraint('app_settings_name'),
         {'extend_existing': True, 'mysql_engine':'InnoDB',
          'mysql_charset': 'utf8'}
     )
     app_settings_id = Column("app_settings_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     app_settings_name = Column("app_settings_name", String(255), nullable=True, unique=None, default=None)
     _app_settings_value = Column("app_settings_value", String(255), nullable=True, unique=None, default=None)
 
     def __init__(self, k='', v=''):
         self.app_settings_name = k
         self.app_settings_value = v
 
     @validates('_app_settings_value')
     def validate_settings_value(self, key, val):
         assert type(val) == unicode
         return val
 
     @hybrid_property
     def app_settings_value(self):
         v = self._app_settings_value
         if self.app_settings_name == 'ldap_active':
             v = str2bool(v)
         return v
 
     @app_settings_value.setter
     def app_settings_value(self, val):
         """
         Setter that will always make sure we use unicode in app_settings_value
 
         :param val:
         """
         self._app_settings_value = safe_unicode(val)
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (
             self.__class__.__name__,
             self.app_settings_name, self.app_settings_value
         )
 
     @classmethod
     def get_by_name(cls, ldap_key):
         return cls.query()\
             .filter(cls.app_settings_name == ldap_key).scalar()
 
     @classmethod
     def get_app_settings(cls, cache=False):
 
         ret = cls.query()
 
         if cache:
             ret = ret.options(FromCache("sql_cache_short", "get_hg_settings"))
 
         if not ret:
             raise Exception('Could not get application settings !')
         settings = {}
         for each in ret:
             settings['rhodecode_' + each.app_settings_name] = \
                 each.app_settings_value
 
         return settings
 
     @classmethod
     def get_ldap_settings(cls, cache=False):
         ret = cls.query()\
                 .filter(cls.app_settings_name.startswith('ldap_')).all()
         fd = {}
         for row in ret:
             fd.update({row.app_settings_name:row.app_settings_value})
 
         return fd
 
 
 class RhodeCodeUi(Base, BaseModel):
     __tablename__ = 'rhodecode_ui'
     __table_args__ = (
         UniqueConstraint('ui_key'),
         {'extend_existing': True, 'mysql_engine':'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     HOOK_REPO_SIZE = 'changegroup.repo_size'
     HOOK_PUSH = 'pretxnchangegroup.push_logger'
     HOOK_PULL = 'preoutgoing.pull_logger'
 
     ui_id = Column("ui_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     ui_section = Column("ui_section", String(255), nullable=True, unique=None, default=None)
     ui_key = Column("ui_key", String(255), nullable=True, unique=None, default=None)
     ui_value = Column("ui_value", String(255), nullable=True, unique=None, default=None)
     ui_active = Column("ui_active", Boolean(), nullable=True, unique=None, default=True)
 
     @classmethod
     def get_by_key(cls, key):
         return cls.query().filter(cls.ui_key == key)
 
     @classmethod
     def get_builtin_hooks(cls):
         q = cls.query()
         q = q.filter(cls.ui_key.in_([cls.HOOK_REPO_SIZE,
                                      cls.HOOK_PUSH, cls.HOOK_PULL]))
         return q.all()
 
     @classmethod
     def get_custom_hooks(cls):
         q = cls.query()
         q = q.filter(~cls.ui_key.in_([cls.HOOK_REPO_SIZE,
                                       cls.HOOK_PUSH, cls.HOOK_PULL]))
         q = q.filter(cls.ui_section == 'hooks')
         return q.all()
 
     @classmethod
     def create_or_update_hook(cls, key, val):
         new_ui = cls.get_by_key(key).scalar() or cls()
         new_ui.ui_section = 'hooks'
         new_ui.ui_active = True
         new_ui.ui_key = key
         new_ui.ui_value = val
 
         Session.add(new_ui)
 
 
 class User(Base, BaseModel):
     __tablename__ = 'users'
     __table_args__ = (
         UniqueConstraint('username'), UniqueConstraint('email'),
         {'extend_existing': True, 'mysql_engine':'InnoDB',
          'mysql_charset': 'utf8'}
     )
     user_id = Column("user_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     username = Column("username", String(255), nullable=True, unique=None, default=None)
     password = Column("password", String(255), nullable=True, unique=None, default=None)
     active = Column("active", Boolean(), nullable=True, unique=None, default=None)
     admin = Column("admin", Boolean(), nullable=True, unique=None, default=False)
     name = Column("name", String(255), nullable=True, unique=None, default=None)
     lastname = Column("lastname", String(255), nullable=True, unique=None, default=None)
     _email = Column("email", String(255), nullable=True, unique=None, default=None)
     last_login = Column("last_login", DateTime(timezone=False), nullable=True, unique=None, default=None)
     ldap_dn = Column("ldap_dn", String(255), nullable=True, unique=None, default=None)
     api_key = Column("api_key", String(255), nullable=True, unique=None, default=None)
 
     user_log = relationship('UserLog', cascade='all')
     user_perms = relationship('UserToPerm', primaryjoin="User.user_id==UserToPerm.user_id", cascade='all')
 
     repositories = relationship('Repository')
     user_followers = relationship('UserFollowing', primaryjoin='UserFollowing.follows_user_id==User.user_id', cascade='all')
     repo_to_perm = relationship('UserRepoToPerm', primaryjoin='UserRepoToPerm.user_id==User.user_id', cascade='all')
     repo_group_to_perm = relationship('UserRepoGroupToPerm', primaryjoin='UserRepoGroupToPerm.user_id==User.user_id', cascade='all')
 
     group_member = relationship('UserGroupMember', cascade='all')
 
     notifications = relationship('UserNotification', cascade='all')
     # notifications assigned to this user
     user_created_notifications = relationship('Notification', cascade='all')
     # comments created by this user
     user_comments = relationship('ChangesetComment', cascade='all')
 
     @hybrid_property
     def email(self):
         return self._email
 
     @email.setter
     def email(self, val):
         self._email = val.lower() if val else None
 
     @property
     def full_name(self):
         return '%s %s' % (self.name, self.lastname)
 
     @property
     def full_name_or_username(self):
         return ('%s %s' % (self.name, self.lastname)
                 if (self.name and self.lastname) else self.username)
 
     @property
     def full_contact(self):
         return '%s %s <%s>' % (self.name, self.lastname, self.email)
 
     @property
     def short_contact(self):
         return '%s %s' % (self.name, self.lastname)
 
     @property
     def is_admin(self):
         return self.admin
 
     def __unicode__(self):
         return u"<%s('id:%s:%s')>" % (self.__class__.__name__,
                                      self.user_id, self.username)
 
     @classmethod
     def get_by_username(cls, username, case_insensitive=False, cache=False):
         if case_insensitive:
             q = cls.query().filter(cls.username.ilike(username))
         else:
             q = cls.query().filter(cls.username == username)
 
         if cache:
             q = q.options(FromCache(
                             "sql_cache_short",
                             "get_user_%s" % _hash_key(username)
                           )
             )
         return q.scalar()
 
     @classmethod
     def get_by_auth_token(cls, auth_token, cache=False):
         q = cls.query().filter(cls.api_key == auth_token)
 
         if cache:
             q = q.options(FromCache("sql_cache_short",
                                     "get_auth_token_%s" % auth_token))
         return q.scalar()
 
     @classmethod
     def get_by_email(cls, email, case_insensitive=False, cache=False):
         if case_insensitive:
             q = cls.query().filter(cls.email.ilike(email))
         else:
             q = cls.query().filter(cls.email == email)
 
         if cache:
             q = q.options(FromCache("sql_cache_short",
                                     "get_auth_token_%s" % email))
         return q.scalar()
 
     def update_lastlogin(self):
         """Update user lastlogin"""
         self.last_login = datetime.datetime.now()
         Session.add(self)
         log.debug('updated user %s lastlogin', self.username)
 
     def __json__(self):
         return dict(
             user_id=self.user_id,
             first_name=self.name,
             last_name=self.lastname,
             email=self.email,
             full_name=self.full_name,
             full_name_or_username=self.full_name_or_username,
             short_contact=self.short_contact,
             full_contact=self.full_contact
         )
 
 
 class UserLog(Base, BaseModel):
     __tablename__ = 'user_logs'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine':'InnoDB',
          'mysql_charset': 'utf8'},
     )
     user_log_id = Column("user_log_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True)
     repository_name = Column("repository_name", String(255), nullable=True, unique=None, default=None)
     user_ip = Column("user_ip", String(255), nullable=True, unique=None, default=None)
     action = Column("action", String(1200000), nullable=True, unique=None, default=None)
     action_date = Column("action_date", DateTime(timezone=False), nullable=True, unique=None, default=None)
 
     @property
     def action_as_day(self):
         return datetime.date(*self.action_date.timetuple()[:3])
 
     user = relationship('User')
     repository = relationship('Repository', cascade='')
 
 
 class UserGroup(Base, BaseModel):
     __tablename__ = 'users_groups'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine':'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     users_group_id = Column("users_group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_name = Column("users_group_name", String(255), nullable=False, unique=True, default=None)
     users_group_active = Column("users_group_active", Boolean(), nullable=True, unique=None, default=None)
 
     members = relationship('UserGroupMember', cascade="all, delete, delete-orphan", lazy="joined")
     users_group_to_perm = relationship('UserGroupToPerm', cascade='all')
     users_group_repo_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
 
     def __unicode__(self):
         return u'<userGroup(%s)>' % (self.users_group_name)
 
     @classmethod
     def get_by_group_name(cls, group_name, cache=False,
                           case_insensitive=False):
         if case_insensitive:
             q = cls.query().filter(cls.users_group_name.ilike(group_name))
         else:
             q = cls.query().filter(cls.users_group_name == group_name)
         if cache:
             q = q.options(FromCache(
                             "sql_cache_short",
                             "get_user_%s" % _hash_key(group_name)
                           )
             )
         return q.scalar()
 
     @classmethod
     def get(cls, users_group_id, cache=False):
         users_group = cls.query()
         if cache:
             users_group = users_group.options(FromCache("sql_cache_short",
                                     "get_users_group_%s" % users_group_id))
         return users_group.get(users_group_id)
 
 
 class UserGroupMember(Base, BaseModel):
     __tablename__ = 'users_groups_members'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine':'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     users_group_member_id = Column("users_group_member_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User', lazy='joined')
     users_group = relationship('UserGroup')
 
     def __init__(self, gr_id='', u_id=''):
         self.users_group_id = gr_id
         self.user_id = u_id
 
 
 class Repository(Base, BaseModel):
     __tablename__ = 'repositories'
     __table_args__ = (
         UniqueConstraint('repo_name'),
         {'extend_existing': True, 'mysql_engine':'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     repo_id = Column("repo_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repo_name = Column("repo_name", String(255), nullable=False, unique=True, default=None)
     clone_uri = Column("clone_uri", String(255), nullable=True, unique=False, default=None)
     repo_type = Column("repo_type", String(255), nullable=False, unique=False, default='hg')
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)
     private = Column("private", Boolean(), nullable=True, unique=None, default=None)
     enable_statistics = Column("statistics", Boolean(), nullable=True, unique=None, default=True)
     enable_downloads = Column("downloads", Boolean(), nullable=True, unique=None, default=True)
     description = Column("description", String(10000), nullable=True, unique=None, default=None)
     created_on = Column('created_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
 
     fork_id = Column("fork_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=False, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=False, default=None)
 
     user = relationship('User')
     fork = relationship('Repository', remote_side=repo_id)
     group = relationship('RepoGroup')
     repo_to_perm = relationship('UserRepoToPerm', cascade='all', order_by='UserRepoToPerm.repo_to_perm_id')
     users_group_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
     stats = relationship('Statistics', cascade='all', uselist=False)
 
     followers = relationship('UserFollowing', primaryjoin='UserFollowing.follows_repo_id==Repository.repo_id', cascade='all')
 
     logs = relationship('UserLog')
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (self.__class__.__name__,self.repo_id,
                                    self.repo_name)
 
     @classmethod
     def url_sep(cls):
         return '/'
 
     @classmethod
     def get_by_repo_name(cls, repo_name):
         q = Session.query(cls).filter(cls.repo_name == repo_name)
         q = q.options(joinedload(Repository.fork))\
                 .options(joinedload(Repository.user))\
                 .options(joinedload(Repository.group))
         return q.scalar()
 
     @classmethod
     def get_repo_forks(cls, repo_id):
         return cls.query().filter(Repository.fork_id == repo_id)
 
     @classmethod
     def base_path(cls):
         """
         Returns base path when all repos are stored
 
         :param cls:
         """
         q = Session.query(RhodeCodeUi)\
             .filter(RhodeCodeUi.ui_key == cls.url_sep())
         q = q.options(FromCache("sql_cache_short", "repository_repo_path"))
         return q.one().ui_value
 
     @property
     def just_name(self):
         return self.repo_name.split(Repository.url_sep())[-1]
 
     @property
     def groups_with_parents(self):
         groups = []
         if self.group is None:
             return groups
 
         cur_gr = self.group
         groups.insert(0, cur_gr)
         while 1:
             gr = getattr(cur_gr, 'parent_group', None)
             cur_gr = cur_gr.parent_group
             if gr is None:
                 break
             groups.insert(0, gr)
 
         return groups
 
     @property
     def groups_and_repo(self):
         return self.groups_with_parents, self.just_name
 
     @LazyProperty
     def repo_path(self):
         """
         Returns base full path for that repository means where it actually
         exists on a filesystem
         """
         q = Session.query(RhodeCodeUi).filter(RhodeCodeUi.ui_key ==
                                               Repository.url_sep())
         q = q.options(FromCache("sql_cache_short", "repository_repo_path"))
         return q.one().ui_value
 
     @property
     def repo_full_path(self):
         p = [self.repo_path]
         # we need to split the name by / since this is how we store the
         # names in the database, but that eventually needs to be converted
         # into a valid system path
         p += self.repo_name.split(Repository.url_sep())
         return os.path.join(*p)
 
     def get_new_name(self, repo_name):
         """
         returns new full repository name based on assigned group and new new
 
         :param group_name:
         """
         path_prefix = self.group.full_path_splitted if self.group else []
         return Repository.url_sep().join(path_prefix + [repo_name])
 
     @property
     def _config(self):
         """
         Returns db based config object.
         """
         from rhodecode.lib.utils import make_db_config
         return make_db_config(clear_session=False)
 
     @classmethod
     def is_valid(cls, repo_name):
         """
         returns True if given repo name is a valid filesystem repository
 
         :param cls:
         :param repo_name:
         """
         from rhodecode.lib.utils import is_valid_repo
 
         return is_valid_repo(repo_name, cls.base_path())
 
     #==========================================================================
     # SCM PROPERTIES
     #==========================================================================
 
     def get_commit(self, rev):
         return get_commit_safe(self.scm_instance, rev)
 
     @property
     def tip(self):
         return self.get_commit('tip')
 
     @property
     def author(self):
         return self.tip.author
 
     @property
     def last_change(self):
         return self.scm_instance.last_change
 
     def comments(self, revisions=None):
         """
         Returns comments for this repository grouped by revisions
 
         :param revisions: filter query by revisions only
         """
         cmts = ChangesetComment.query()\
             .filter(ChangesetComment.repo == self)
         if revisions:
             cmts = cmts.filter(ChangesetComment.revision.in_(revisions))
         grouped = defaultdict(list)
         for cmt in cmts.all():
             grouped[cmt.revision].append(cmt)
         return grouped
 
     #==========================================================================
     # SCM CACHE INSTANCE
     #==========================================================================
 
     @property
     def invalidate(self):
         return CacheInvalidation.invalidate(self.repo_name)
 
     def set_invalidate(self):
         """
         set a cache for invalidation for this instance
         """
         CacheInvalidation.set_invalidate(self.repo_name)
 
     @LazyProperty
     def scm_instance(self):
         return self.__get_instance()
 
     @property
     def scm_instance_cached(self):
         return self.__get_instance()
 
     def __get_instance(self):
         repo_full_path = self.repo_full_path
         try:
             alias = get_scm(repo_full_path)[0]
             log.debug('Creating instance of %s repository', alias)
             backend = get_backend(alias)
         except VCSError:
             log.error(traceback.format_exc())
             log.error('Perhaps this repository is in db and not in '
                       'filesystem run rescan repositories with '
                       '"destroy old data " option from admin panel')
             return
 
         if alias == 'hg':
 
             repo = backend(safe_str(repo_full_path), create=False,
                            config=self._config)
         else:
             repo = backend(repo_full_path, create=False)
 
         return repo
 
 
 class RepoGroup(Base, BaseModel):
     __tablename__ = 'groups'
     __table_args__ = (
         UniqueConstraint('group_name', 'group_parent_id'),
-        CheckConstraint('group_id != group_parent_id'),
         {'extend_existing': True, 'mysql_engine':'InnoDB',
          'mysql_charset': 'utf8'},
     )
     __mapper_args__ = {'order_by': 'group_name'}
 
     group_id = Column("group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     group_name = Column("group_name", String(255), nullable=False, unique=True, default=None)
     group_parent_id = Column("group_parent_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=None, default=None)
     group_description = Column("group_description", String(10000), nullable=True, unique=None, default=None)
 
     repo_group_to_perm = relationship('UserRepoGroupToPerm', cascade='all', order_by='UserRepoGroupToPerm.group_to_perm_id')
     users_group_to_perm = relationship('UserGroupRepoGroupToPerm', cascade='all')
 
     parent_group = relationship('RepoGroup', remote_side=group_id)
 
     def __init__(self, group_name='', parent_group=None):
         self.group_name = group_name
         self.parent_group = parent_group
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (self.__class__.__name__, self.group_id,
                                   self.group_name)
 
     @classmethod
     def url_sep(cls):
         return '/'
 
     @classmethod
     def get_by_group_name(cls, group_name, cache=False, case_insensitive=False):
         if case_insensitive:
             gr = cls.query()\
                 .filter(cls.group_name.ilike(group_name))
         else:
             gr = cls.query()\
                 .filter(cls.group_name == group_name)
         if cache:
             gr = gr.options(FromCache(
                             "sql_cache_short",
                             "get_group_%s" % _hash_key(group_name)
                             )
             )
         return gr.scalar()
 
     @property
     def parents(self):
         parents_recursion_limit = 5
         groups = []
         if self.parent_group is None:
             return groups
         cur_gr = self.parent_group
         groups.insert(0, cur_gr)
         cnt = 0
         while 1:
             cnt += 1
             gr = getattr(cur_gr, 'parent_group', None)
             cur_gr = cur_gr.parent_group
             if gr is None:
                 break
             if cnt == parents_recursion_limit:
                 # this will prevent accidental infinit loops
                 log.error('group nested more than %s', parents_recursion_limit)
                 break
 
             groups.insert(0, gr)
         return groups
 
     @property
     def children(self):
         return RepoGroup.query().filter(RepoGroup.parent_group == self)
 
     @property
     def name(self):
         return self.group_name.split(RepoGroup.url_sep())[-1]
 
     @property
     def full_path(self):
         return self.group_name
 
     @property
     def full_path_splitted(self):
         return self.group_name.split(RepoGroup.url_sep())
 
     @property
     def repositories(self):
         return Repository.query()\
                 .filter(Repository.group == self)\
                 .order_by(Repository.repo_name)
 
     @property
     def repositories_recursive_count(self):
         cnt = self.repositories.count()
 
         def children_count(group):
             cnt = 0
             for child in group.children:
                 cnt += child.repositories.count()
                 cnt += children_count(child)
             return cnt
 
         return cnt + children_count(self)
 
     def get_new_name(self, group_name):
         """
         returns new full group name based on parent and new name
 
         :param group_name:
         """
         path_prefix = (self.parent_group.full_path_splitted if
                        self.parent_group else [])
         return RepoGroup.url_sep().join(path_prefix + [group_name])
 
 
 class Permission(Base, BaseModel):
     __tablename__ = 'permissions'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine':'InnoDB',
          'mysql_charset': 'utf8'},
     )
     permission_id = Column("permission_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     permission_name = Column("permission_name", String(255), nullable=True, unique=None, default=None)
     permission_longname = Column("permission_longname", String(255), nullable=True, unique=None, default=None)
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (
             self.__class__.__name__, self.permission_id, self.permission_name
         )
 
     @classmethod
     def get_by_key(cls, key):
         return cls.query().filter(cls.permission_name == key).scalar()
 
     @classmethod
     def get_default_repo_perms(cls, default_user_id):
         q = Session.query(UserRepoToPerm, Repository, cls)\
          .join((Repository, UserRepoToPerm.repository_id == Repository.repo_id))\
          .join((cls, UserRepoToPerm.permission_id == cls.permission_id))\
          .filter(UserRepoToPerm.user_id == default_user_id)
 
         return q.all()
 
     @classmethod
     def get_default_group_perms(cls, default_user_id):
         q = Session.query(UserRepoGroupToPerm, RepoGroup, cls)\
          .join((RepoGroup, UserRepoGroupToPerm.group_id == RepoGroup.group_id))\
          .join((cls, UserRepoGroupToPerm.permission_id == cls.permission_id))\
          .filter(UserRepoGroupToPerm.user_id == default_user_id)
 
         return q.all()
 
 
 class UserRepoToPerm(Base, BaseModel):
     __tablename__ = 'repo_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'repository_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine':'InnoDB',
          'mysql_charset': 'utf8'}
     )
     repo_to_perm_id = Column("repo_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     repository = relationship('Repository')
     permission = relationship('Permission')
 
     @classmethod
     def create(cls, user, repository, permission):
         n = cls()
         n.user = user
         n.repository = repository
         n.permission = permission
         Session.add(n)
         return n
 
     def __unicode__(self):
         return u'<user:%s => %s >' % (self.user, self.repository)
 
 
 class UserToPerm(Base, BaseModel):
     __tablename__ = 'user_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine':'InnoDB',
          'mysql_charset': 'utf8'}
     )
     user_to_perm_id = Column("user_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     permission = relationship('Permission', lazy='joined')
 
 
 class UserGroupRepoToPerm(Base, BaseModel):
     __tablename__ = 'users_group_repo_to_perm'
     __table_args__ = (
         UniqueConstraint('repository_id', 'users_group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine':'InnoDB',
          'mysql_charset': 'utf8'}
     )
     users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
     repository = relationship('Repository')
 
     @classmethod
     def create(cls, users_group, repository, permission):
         n = cls()
         n.users_group = users_group
         n.repository = repository
         n.permission = permission
         Session.add(n)
         return n
 
     def __unicode__(self):
         return u'<userGroup:%s => %s >' % (self.users_group, self.repository)
 
 
 class UserGroupToPerm(Base, BaseModel):
     __tablename__ = 'users_group_to_perm'
     __table_args__ = (
         UniqueConstraint('users_group_id', 'permission_id',),
         {'extend_existing': True, 'mysql_engine':'InnoDB',
          'mysql_charset': 'utf8'}
     )
     users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
 
 
 class UserRepoGroupToPerm(Base, BaseModel):
     __tablename__ = 'user_repo_group_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine':'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     group_to_perm_id = Column("group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     group = relationship('RepoGroup')
     permission = relationship('Permission')
 
 
 class UserGroupRepoGroupToPerm(Base, BaseModel):
     __tablename__ = 'users_group_repo_group_to_perm'
     __table_args__ = (
         UniqueConstraint('users_group_id', 'group_id'),
         {'extend_existing': True, 'mysql_engine':'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     users_group_repo_group_to_perm_id = Column("users_group_repo_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
     group = relationship('RepoGroup')
 
 
 class Statistics(Base, BaseModel):
     __tablename__ = 'statistics'
     __table_args__ = (
          UniqueConstraint('repository_id'),
          {'extend_existing': True, 'mysql_engine':'InnoDB',
           'mysql_charset': 'utf8'}
     )
     stat_id = Column("stat_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=True, default=None)
     stat_on_revision = Column("stat_on_revision", Integer(), nullable=False)
     commit_activity = Column("commit_activity", LargeBinary(1000000), nullable=False)#JSON data
     commit_activity_combined = Column("commit_activity_combined", LargeBinary(), nullable=False)#JSON data
     languages = Column("languages", LargeBinary(1000000), nullable=False)#JSON data
 
     repository = relationship('Repository', single_parent=True)
 
 
 class UserFollowing(Base, BaseModel):
     __tablename__ = 'user_followings'
     __table_args__ = (
         UniqueConstraint('user_id', 'follows_repository_id'),
         UniqueConstraint('user_id', 'follows_user_id'),
         {'extend_existing': True, 'mysql_engine':'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     user_following_id = Column("user_following_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     follows_repo_id = Column("follows_repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=None, default=None)
     follows_user_id = Column("follows_user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     follows_from = Column('follows_from', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
 
     user = relationship('User', primaryjoin='User.user_id==UserFollowing.user_id')
 
     follows_user = relationship('User', primaryjoin='User.user_id==UserFollowing.follows_user_id')
     follows_repository = relationship('Repository', order_by='Repository.repo_name')
 
     @classmethod
     def get_repo_followers(cls, repo_id):
         return cls.query().filter(cls.follows_repo_id == repo_id)
 
 
 class CacheInvalidation(Base, BaseModel):
     __tablename__ = 'cache_invalidation'
     __table_args__ = (
         UniqueConstraint('cache_key'),
         {'extend_existing': True, 'mysql_engine':'InnoDB',
          'mysql_charset': 'utf8'},
     )
     cache_id = Column("cache_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     cache_key = Column("cache_key", String(255), nullable=True, unique=None, default=None)
     cache_args = Column("cache_args", String(255), nullable=True, unique=None, default=None)
     cache_active = Column("cache_active", Boolean(), nullable=True, unique=None, default=False)
 
     def __init__(self, cache_key, cache_args=''):
         self.cache_key = cache_key
         self.cache_args = cache_args
         self.cache_active = False
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (self.__class__.__name__,
                                   self.cache_id, self.cache_key)
 
     @classmethod
     def _get_key(cls, key):
         """
         Wrapper for generating a key, together with a prefix
 
         :param key:
         """
         import rhodecode
         prefix = ''
         iid = rhodecode.CONFIG.get('instance_id')
         if iid:
             prefix = iid
         return "%s%s" % (prefix, key), prefix, key.rstrip('_README')
 
     @classmethod
     def get_by_key(cls, key):
         return cls.query().filter(cls.cache_key == key).scalar()
 
     @classmethod
     def _get_or_create_key(cls, key, prefix, org_key):
         inv_obj = Session.query(cls).filter(cls.cache_key == key).scalar()
         if not inv_obj:
             try:
                 inv_obj = CacheInvalidation(key, org_key)
                 Session.add(inv_obj)
                 Session.commit()
             except Exception:
                 log.error(traceback.format_exc())
                 Session.rollback()
         return inv_obj
 
     @classmethod
     def invalidate(cls, key):
         """
         Returns Invalidation object if this given key should be invalidated
         None otherwise. `cache_active = False` means that this cache
         state is not valid and needs to be invalidated
 
         :param key:
         """
 
         key, _prefix, _org_key = cls._get_key(key)
         inv = cls._get_or_create_key(key, _prefix, _org_key)
 
         if inv and inv.cache_active is False:
             return inv
 
     @classmethod
     def set_invalidate(cls, key):
         """
         Mark this Cache key for invalidation
 
         :param key:
         """
 
         key, _prefix, _org_key = cls._get_key(key)
         inv_objs = Session.query(cls).filter(cls.cache_args == _org_key).all()
         log.debug('marking %s key[s] %s for invalidation', len(inv_objs), _org_key)
         try:
             for inv_obj in inv_objs:
                 if inv_obj:
                     inv_obj.cache_active = False
 
                 Session.add(inv_obj)
             Session.commit()
         except Exception:
             log.error(traceback.format_exc())
             Session.rollback()
 
     @classmethod
     def set_valid(cls, key):
         """
         Mark this cache key as active and currently cached
 
         :param key:
         """
         inv_obj = cls.get_by_key(key)
         inv_obj.cache_active = True
         Session.add(inv_obj)
         Session.commit()
 
 
 class ChangesetComment(Base, BaseModel):
     __tablename__ = 'changeset_comments'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine':'InnoDB',
          'mysql_charset': 'utf8'},
     )
     comment_id = Column('comment_id', Integer(), nullable=False, primary_key=True)
     repo_id = Column('repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     revision = Column('revision', String(40), nullable=False)
     line_no = Column('line_no', Unicode(10), nullable=True)
     f_path = Column('f_path', Unicode(1000), nullable=True)
     user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=False)
     text = Column('text', UnicodeText().with_variant(UnicodeText(25000), 'mysql'), nullable=False)
     modified_at = Column('modified_at', DateTime(), nullable=False, default=datetime.datetime.now)
 
     author = relationship('User', lazy='joined')
     repo = relationship('Repository')
 
     @classmethod
     def get_users(cls, revision):
         """
         Returns user associated with this changesetComment. ie those
         who actually commented
 
         :param cls:
         :param revision:
         """
         return Session.query(User)\
                 .filter(cls.revision == revision)\
                 .join(ChangesetComment.author).all()
 
 
 class Notification(Base, BaseModel):
     __tablename__ = 'notifications'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine':'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     TYPE_CHANGESET_COMMENT = u'cs_comment'
     TYPE_MESSAGE = u'message'
     TYPE_MENTION = u'mention'
     TYPE_REGISTRATION = u'registration'
 
     notification_id = Column('notification_id', Integer(), nullable=False, primary_key=True)
     subject = Column('subject', Unicode(512), nullable=True)
     body = Column('body', UnicodeText().with_variant(UnicodeText(50000), 'mysql'), nullable=True)
     created_by = Column("created_by", Integer(), ForeignKey('users.user_id'), nullable=True)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     type_ = Column('type', Unicode(256))
 
     created_by_user = relationship('User')
     notifications_to_users = relationship('UserNotification', lazy='joined',
                                           cascade="all, delete, delete-orphan")
 
     @property
     def recipients(self):
         return [x.user for x in UserNotification.query()\
                 .filter(UserNotification.notification == self).all()]
 
     @classmethod
     def create(cls, created_by, subject, body, recipients, type_=None):
         if type_ is None:
             type_ = Notification.TYPE_MESSAGE
 
         notification = cls()
         notification.created_by_user = created_by
         notification.subject = subject
         notification.body = body
         notification.type_ = type_
         notification.created_on = datetime.datetime.now()
 
         for u in recipients:
             assoc = UserNotification()
             assoc.notification = notification
             u.notifications.append(assoc)
         Session.add(notification)
         return notification
 
     @property
     def description(self):
         from rhodecode.model.notification import NotificationModel
         return NotificationModel().make_description(self)
 
 
 class UserNotification(Base, BaseModel):
     __tablename__ = 'user_to_notification'
     __table_args__ = (
         UniqueConstraint('user_id', 'notification_id'),
         {'extend_existing': True, 'mysql_engine':'InnoDB',
          'mysql_charset': 'utf8'}
     )
     user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), primary_key=True)
     notification_id = Column("notification_id", Integer(), ForeignKey('notifications.notification_id'), primary_key=True)
     read = Column('read', Boolean, default=False)
     sent_on = Column('sent_on', DateTime(timezone=False), nullable=True, unique=None)
 
     user = relationship('User', lazy="joined")
     notification = relationship('Notification', lazy="joined",
                                 order_by=lambda: Notification.created_on.desc(),)
 
     def mark_as_read(self):
         self.read = True
         Session.add(self)
 
 
 class DbMigrateVersion(Base, BaseModel):
     __tablename__ = 'db_migrate_version'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine':'InnoDB',
          'mysql_charset': 'utf8'},
     )
     repository_id = Column('repository_id', String(250), primary_key=True)
     repository_path = Column('repository_path', Text)
     version = Column('version', Integer)
 
 ## this is migration from 1_4_0, but now it's here to overcome a problem of
 ## attaching a FK to this from 1_3_0 !
 
 
 class PullRequest(Base, BaseModel):
     __tablename__ = 'pull_requests'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     STATUS_NEW = u'new'
     STATUS_OPEN = u'open'
     STATUS_CLOSED = u'closed'
 
     pull_request_id = Column('pull_request_id', Integer(), nullable=False, primary_key=True)
     title = Column('title', Unicode(256), nullable=True)
     description = Column('description', UnicodeText().with_variant(UnicodeText(10240), 'mysql'), nullable=True)
     status = Column('status', Unicode(256), nullable=False, default=STATUS_NEW)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     updated_on = Column('updated_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None)
     _revisions = Column('revisions', UnicodeText().with_variant(UnicodeText(20500), 'mysql'))  # 500 revisions max
     org_repo_id = Column('org_repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     org_ref = Column('org_ref', Unicode(256), nullable=False)
     other_repo_id = Column('other_repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     other_ref = Column('other_ref', Unicode(256), nullable=False)

rhodecode/lib/dbmigrate/schema/db_1_4_0.py

@@ -1,972 +1,971 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2010-2019 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 
 import os
 import time
 import logging
 import datetime
 import traceback
 import hashlib
 import collections
 
 from sqlalchemy import *
 from sqlalchemy.ext.hybrid import hybrid_property
 from sqlalchemy.orm import relationship, joinedload, class_mapper, validates
 from sqlalchemy.exc import DatabaseError
 from beaker.cache import cache_region, region_invalidate
 from webob.exc import HTTPNotFound
 
 from rhodecode.translation import _
 from rhodecode.lib.vcs import get_backend
 from rhodecode.lib.vcs.utils.helpers import get_scm
 from rhodecode.lib.vcs.exceptions import VCSError
 from zope.cachedescriptors.property import Lazy as LazyProperty
 
 from rhodecode.lib.utils2 import str2bool, safe_str, get_commit_safe, \
     safe_unicode, remove_suffix
 from rhodecode.lib.ext_json import json
 from rhodecode.lib.caching_query import FromCache
 
 from rhodecode.model.meta import Base, Session
 
 URL_SEP = '/'
 log = logging.getLogger(__name__)
 
 #==============================================================================
 # BASE CLASSES
 #==============================================================================
 
 _hash_key = lambda k: hashlib.md5(safe_str(k)).hexdigest()
 
 
 class BaseModel(object):
     """
     Base Model for all classes
     """
 
     @classmethod
     def _get_keys(cls):
         """return column names for this model """
         return class_mapper(cls).c.keys()
 
     def get_dict(self):
         """
         return dict with keys and values corresponding
         to this model data """
 
         d = {}
         for k in self._get_keys():
             d[k] = getattr(self, k)
 
         # also use __json__() if present to get additional fields
         _json_attr = getattr(self, '__json__', None)
         if _json_attr:
             # update with attributes from __json__
             if callable(_json_attr):
                 _json_attr = _json_attr()
             for k, val in _json_attr.iteritems():
                 d[k] = val
         return d
 
     def get_appstruct(self):
         """return list with keys and values tupples corresponding
         to this model data """
 
         l = []
         for k in self._get_keys():
             l.append((k, getattr(self, k),))
         return l
 
     def populate_obj(self, populate_dict):
         """populate model with data from given populate_dict"""
 
         for k in self._get_keys():
             if k in populate_dict:
                 setattr(self, k, populate_dict[k])
 
     @classmethod
     def query(cls):
         return Session().query(cls)
 
     @classmethod
     def get(cls, id_):
         if id_:
             return cls.query().get(id_)
 
     @classmethod
     def get_or_404(cls, id_):
         try:
             id_ = int(id_)
         except (TypeError, ValueError):
             raise HTTPNotFound
 
         res = cls.query().get(id_)
         if not res:
             raise HTTPNotFound
         return res
 
     @classmethod
     def getAll(cls):
         return cls.query().all()
 
     @classmethod
     def delete(cls, id_):
         obj = cls.query().get(id_)
         Session().delete(obj)
 
     def __repr__(self):
         if hasattr(self, '__unicode__'):
             # python repr needs to return str
             return safe_str(self.__unicode__())
         return '<DB:%s>' % (self.__class__.__name__)
 
 
 class RhodeCodeSetting(Base, BaseModel):
     __tablename__ = 'rhodecode_settings'
     __table_args__ = (
         UniqueConstraint('app_settings_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     app_settings_id = Column("app_settings_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     app_settings_name = Column("app_settings_name", String(255), nullable=True, unique=None, default=None)
     _app_settings_value = Column("app_settings_value", String(255), nullable=True, unique=None, default=None)
 
     def __init__(self, k='', v=''):
         self.app_settings_name = k
         self.app_settings_value = v
 
     @validates('_app_settings_value')
     def validate_settings_value(self, key, val):
         assert type(val) == unicode
         return val
 
     @hybrid_property
     def app_settings_value(self):
         v = self._app_settings_value
         if self.app_settings_name == 'ldap_active':
             v = str2bool(v)
         return v
 
     @app_settings_value.setter
     def app_settings_value(self, val):
         """
         Setter that will always make sure we use unicode in app_settings_value
 
         :param val:
         """
         self._app_settings_value = safe_unicode(val)
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (
             self.__class__.__name__,
             self.app_settings_name, self.app_settings_value
         )
 
 
 class RhodeCodeUi(Base, BaseModel):
     __tablename__ = 'rhodecode_ui'
     __table_args__ = (
         UniqueConstraint('ui_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     HOOK_REPO_SIZE = 'changegroup.repo_size'
     HOOK_PUSH = 'changegroup.push_logger'
     HOOK_PRE_PUSH = 'prechangegroup.pre_push'
     HOOK_PULL = 'outgoing.pull_logger'
     HOOK_PRE_PULL = 'preoutgoing.pre_pull'
 
     ui_id = Column("ui_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     ui_section = Column("ui_section", String(255), nullable=True, unique=None, default=None)
     ui_key = Column("ui_key", String(255), nullable=True, unique=None, default=None)
     ui_value = Column("ui_value", String(255), nullable=True, unique=None, default=None)
     ui_active = Column("ui_active", Boolean(), nullable=True, unique=None, default=True)
 
 
 
 class User(Base, BaseModel):
     __tablename__ = 'users'
     __table_args__ = (
         UniqueConstraint('username'), UniqueConstraint('email'),
         Index('u_username_idx', 'username'),
         Index('u_email_idx', 'email'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     DEFAULT_USER = 'default'
     DEFAULT_PERMISSIONS = [
         'hg.register.manual_activate', 'hg.create.repository',
         'hg.fork.repository', 'repository.read', 'group.read'
     ]
     user_id = Column("user_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     username = Column("username", String(255), nullable=True, unique=None, default=None)
     password = Column("password", String(255), nullable=True, unique=None, default=None)
     active = Column("active", Boolean(), nullable=True, unique=None, default=True)
     admin = Column("admin", Boolean(), nullable=True, unique=None, default=False)
     name = Column("firstname", String(255), nullable=True, unique=None, default=None)
     lastname = Column("lastname", String(255), nullable=True, unique=None, default=None)
     _email = Column("email", String(255), nullable=True, unique=None, default=None)
     last_login = Column("last_login", DateTime(timezone=False), nullable=True, unique=None, default=None)
     ldap_dn = Column("ldap_dn", String(255), nullable=True, unique=None, default=None)
     api_key = Column("api_key", String(255), nullable=True, unique=None, default=None)
     inherit_default_permissions = Column("inherit_default_permissions", Boolean(), nullable=False, unique=None, default=True)
 
     user_log = relationship('UserLog', cascade='all')
     user_perms = relationship('UserToPerm', primaryjoin="User.user_id==UserToPerm.user_id", cascade='all')
 
     repositories = relationship('Repository')
     user_followers = relationship('UserFollowing', primaryjoin='UserFollowing.follows_user_id==User.user_id', cascade='all')
     repo_to_perm = relationship('UserRepoToPerm', primaryjoin='UserRepoToPerm.user_id==User.user_id', cascade='all')
     repo_group_to_perm = relationship('UserRepoGroupToPerm', primaryjoin='UserRepoGroupToPerm.user_id==User.user_id', cascade='all')
 
     group_member = relationship('UserGroupMember', cascade='all')
 
     notifications = relationship('UserNotification', cascade='all')
     # notifications assigned to this user
     user_created_notifications = relationship('Notification', cascade='all')
     # comments created by this user
     user_comments = relationship('ChangesetComment', cascade='all')
     user_emails = relationship('UserEmailMap', cascade='all')
 
     @hybrid_property
     def email(self):
         return self._email
 
     @email.setter
     def email(self, val):
         self._email = val.lower() if val else None
 
     @property
     def firstname(self):
         # alias for future
         return self.name
 
     @property
     def username_and_name(self):
         return '%s (%s %s)' % (self.username, self.firstname, self.lastname)
 
     @property
     def full_name(self):
         return '%s %s' % (self.firstname, self.lastname)
 
     @property
     def full_contact(self):
         return '%s %s <%s>' % (self.firstname, self.lastname, self.email)
 
     @property
     def short_contact(self):
         return '%s %s' % (self.firstname, self.lastname)
 
     @property
     def is_admin(self):
         return self.admin
 
     @classmethod
     def get_by_username(cls, username, case_insensitive=False, cache=False):
         if case_insensitive:
             q = cls.query().filter(cls.username.ilike(username))
         else:
             q = cls.query().filter(cls.username == username)
 
         if cache:
             q = q.options(FromCache(
                             "sql_cache_short",
                             "get_user_%s" % _hash_key(username)
                           )
             )
         return q.scalar()
 
     @classmethod
     def get_by_auth_token(cls, auth_token, cache=False):
         q = cls.query().filter(cls.api_key == auth_token)
 
         if cache:
             q = q.options(FromCache("sql_cache_short",
                                     "get_auth_token_%s" % auth_token))
         return q.scalar()
 
     @classmethod
     def get_by_email(cls, email, case_insensitive=False, cache=False):
         if case_insensitive:
             q = cls.query().filter(cls.email.ilike(email))
         else:
             q = cls.query().filter(cls.email == email)
 
         if cache:
             q = q.options(FromCache("sql_cache_short",
                                     "get_email_key_%s" % email))
 
         ret = q.scalar()
         if ret is None:
             q = UserEmailMap.query()
             # try fetching in alternate email map
             if case_insensitive:
                 q = q.filter(UserEmailMap.email.ilike(email))
             else:
                 q = q.filter(UserEmailMap.email == email)
             q = q.options(joinedload(UserEmailMap.user))
             if cache:
                 q = q.options(FromCache("sql_cache_short",
                                         "get_email_map_key_%s" % email))
             ret = getattr(q.scalar(), 'user', None)
 
         return ret
 
 
 class UserEmailMap(Base, BaseModel):
     __tablename__ = 'user_email_map'
     __table_args__ = (
         Index('uem_email_idx', 'email'),
         UniqueConstraint('email'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     __mapper_args__ = {}
 
     email_id = Column("email_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     _email = Column("email", String(255), nullable=True, unique=False, default=None)
     user = relationship('User', lazy='joined')
 
     @validates('_email')
     def validate_email(self, key, email):
         # check if this email is not main one
         main_email = Session().query(User).filter(User.email == email).scalar()
         if main_email is not None:
             raise AttributeError('email %s is present is user table' % email)
         return email
 
     @hybrid_property
     def email(self):
         return self._email
 
     @email.setter
     def email(self, val):
         self._email = val.lower() if val else None
 
 
 class UserLog(Base, BaseModel):
     __tablename__ = 'user_logs'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     user_log_id = Column("user_log_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True)
     repository_name = Column("repository_name", String(255), nullable=True, unique=None, default=None)
     user_ip = Column("user_ip", String(255), nullable=True, unique=None, default=None)
     action = Column("action", String(1200000), nullable=True, unique=None, default=None)
     action_date = Column("action_date", DateTime(timezone=False), nullable=True, unique=None, default=None)
 
 
     user = relationship('User')
     repository = relationship('Repository', cascade='')
 
 
 class UserGroup(Base, BaseModel):
     __tablename__ = 'users_groups'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     users_group_id = Column("users_group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_name = Column("users_group_name", String(255), nullable=False, unique=True, default=None)
     users_group_active = Column("users_group_active", Boolean(), nullable=True, unique=None, default=None)
     inherit_default_permissions = Column("users_group_inherit_default_permissions", Boolean(), nullable=False, unique=None, default=True)
 
     members = relationship('UserGroupMember', cascade="all, delete, delete-orphan", lazy="joined")
     users_group_to_perm = relationship('UserGroupToPerm', cascade='all')
     users_group_repo_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
 
     def __unicode__(self):
         return u'<userGroup(%s)>' % (self.users_group_name)
 
     @classmethod
     def get_by_group_name(cls, group_name, cache=False,
                           case_insensitive=False):
         if case_insensitive:
             q = cls.query().filter(cls.users_group_name.ilike(group_name))
         else:
             q = cls.query().filter(cls.users_group_name == group_name)
         if cache:
             q = q.options(FromCache(
                             "sql_cache_short",
                             "get_user_%s" % _hash_key(group_name)
                           )
             )
         return q.scalar()
 
     @classmethod
     def get(cls, users_group_id, cache=False):
         user_group = cls.query()
         if cache:
             user_group = user_group.options(FromCache("sql_cache_short",
                                     "get_users_group_%s" % users_group_id))
         return user_group.get(users_group_id)
 
 
 class UserGroupMember(Base, BaseModel):
     __tablename__ = 'users_groups_members'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     users_group_member_id = Column("users_group_member_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User', lazy='joined')
     users_group = relationship('UserGroup')
 
     def __init__(self, gr_id='', u_id=''):
         self.users_group_id = gr_id
         self.user_id = u_id
 
 
 class Repository(Base, BaseModel):
     __tablename__ = 'repositories'
     __table_args__ = (
         UniqueConstraint('repo_name'),
         Index('r_repo_name_idx', 'repo_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     repo_id = Column("repo_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repo_name = Column("repo_name", String(255), nullable=False, unique=True, default=None)
     clone_uri = Column("clone_uri", String(255), nullable=True, unique=False, default=None)
     repo_type = Column("repo_type", String(255), nullable=False, unique=False, default=None)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)
     private = Column("private", Boolean(), nullable=True, unique=None, default=None)
     enable_statistics = Column("statistics", Boolean(), nullable=True, unique=None, default=True)
     enable_downloads = Column("downloads", Boolean(), nullable=True, unique=None, default=True)
     description = Column("description", String(10000), nullable=True, unique=None, default=None)
     created_on = Column('created_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
     updated_on = Column('updated_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
     landing_rev = Column("landing_revision", String(255), nullable=False, unique=False, default=None)
     enable_locking = Column("enable_locking", Boolean(), nullable=False, unique=None, default=False)
     _locked = Column("locked", String(255), nullable=True, unique=False, default=None)
 
     fork_id = Column("fork_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=False, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=False, default=None)
 
     user = relationship('User')
     fork = relationship('Repository', remote_side=repo_id)
     group = relationship('RepoGroup')
     repo_to_perm = relationship('UserRepoToPerm', cascade='all', order_by='UserRepoToPerm.repo_to_perm_id')
     users_group_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
     stats = relationship('Statistics', cascade='all', uselist=False)
 
     followers = relationship('UserFollowing',
                              primaryjoin='UserFollowing.follows_repo_id==Repository.repo_id',
                              cascade='all')
 
     logs = relationship('UserLog')
     comments = relationship('ChangesetComment', cascade="all, delete, delete-orphan")
 
     pull_requests_org = relationship('PullRequest',
                     primaryjoin='PullRequest.org_repo_id==Repository.repo_id',
                     cascade="all, delete, delete-orphan")
 
     pull_requests_other = relationship('PullRequest',
                     primaryjoin='PullRequest.other_repo_id==Repository.repo_id',
                     cascade="all, delete, delete-orphan")
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (self.__class__.__name__, self.repo_id,
                                    self.repo_name)
 
 
     @classmethod
     def get_by_repo_name(cls, repo_name):
         q = Session().query(cls).filter(cls.repo_name == repo_name)
         q = q.options(joinedload(Repository.fork))\
             .options(joinedload(Repository.user))\
             .options(joinedload(Repository.group))
         return q.scalar()
 
 
 class RepoGroup(Base, BaseModel):
     __tablename__ = 'groups'
     __table_args__ = (
         UniqueConstraint('group_name', 'group_parent_id'),
-        CheckConstraint('group_id != group_parent_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     __mapper_args__ = {'order_by': 'group_name'}
 
     group_id = Column("group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     group_name = Column("group_name", String(255), nullable=False, unique=True, default=None)
     group_parent_id = Column("group_parent_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=None, default=None)
     group_description = Column("group_description", String(10000), nullable=True, unique=None, default=None)
     enable_locking = Column("enable_locking", Boolean(), nullable=False, unique=None, default=False)
 
     repo_group_to_perm = relationship('UserRepoGroupToPerm', cascade='all', order_by='UserRepoGroupToPerm.group_to_perm_id')
     users_group_to_perm = relationship('UserGroupRepoGroupToPerm', cascade='all')
     parent_group = relationship('RepoGroup', remote_side=group_id)
 
     def __init__(self, group_name='', parent_group=None):
         self.group_name = group_name
         self.parent_group = parent_group
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (self.__class__.__name__, self.group_id,
                                   self.group_name)
 
     @classmethod
     def url_sep(cls):
         return URL_SEP
 
     @classmethod
     def get_by_group_name(cls, group_name, cache=False, case_insensitive=False):
         if case_insensitive:
             gr = cls.query()\
                 .filter(cls.group_name.ilike(group_name))
         else:
             gr = cls.query()\
                 .filter(cls.group_name == group_name)
         if cache:
             gr = gr.options(FromCache(
                             "sql_cache_short",
                             "get_group_%s" % _hash_key(group_name)
                             )
             )
         return gr.scalar()
 
 
 class Permission(Base, BaseModel):
     __tablename__ = 'permissions'
     __table_args__ = (
         Index('p_perm_name_idx', 'permission_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     PERMS = [
         ('repository.none', _('Repository no access')),
         ('repository.read', _('Repository read access')),
         ('repository.write', _('Repository write access')),
         ('repository.admin', _('Repository admin access')),
 
         ('group.none', _('Repositories Group no access')),
         ('group.read', _('Repositories Group read access')),
         ('group.write', _('Repositories Group write access')),
         ('group.admin', _('Repositories Group admin access')),
 
         ('hg.admin', _('RhodeCode Administrator')),
         ('hg.create.none', _('Repository creation disabled')),
         ('hg.create.repository', _('Repository creation enabled')),
         ('hg.fork.none', _('Repository forking disabled')),
         ('hg.fork.repository', _('Repository forking enabled')),
         ('hg.register.none', _('Register disabled')),
         ('hg.register.manual_activate', _('Register new user with RhodeCode '
                                           'with manual activation')),
 
         ('hg.register.auto_activate', _('Register new user with RhodeCode '
                                         'with auto activation')),
     ]
 
     # defines which permissions are more important higher the more important
     PERM_WEIGHTS = {
         'repository.none': 0,
         'repository.read': 1,
         'repository.write': 3,
         'repository.admin': 4,
 
         'group.none': 0,
         'group.read': 1,
         'group.write': 3,
         'group.admin': 4,
 
         'hg.fork.none': 0,
         'hg.fork.repository': 1,
         'hg.create.none': 0,
         'hg.create.repository':1
     }
 
     permission_id = Column("permission_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     permission_name = Column("permission_name", String(255), nullable=True, unique=None, default=None)
     permission_longname = Column("permission_longname", String(255), nullable=True, unique=None, default=None)
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (
             self.__class__.__name__, self.permission_id, self.permission_name
         )
 
     @classmethod
     def get_by_key(cls, key):
         return cls.query().filter(cls.permission_name == key).scalar()
 
 
 class UserRepoToPerm(Base, BaseModel):
     __tablename__ = 'repo_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'repository_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     repo_to_perm_id = Column("repo_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     repository = relationship('Repository')
     permission = relationship('Permission')
 
     def __unicode__(self):
         return u'<user:%s => %s >' % (self.user, self.repository)
 
 
 class UserToPerm(Base, BaseModel):
     __tablename__ = 'user_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     user_to_perm_id = Column("user_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     permission = relationship('Permission', lazy='joined')
 
 
 class UserGroupRepoToPerm(Base, BaseModel):
     __tablename__ = 'users_group_repo_to_perm'
     __table_args__ = (
         UniqueConstraint('repository_id', 'users_group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
     repository = relationship('Repository')
 
     def __unicode__(self):
         return u'<userGroup:%s => %s >' % (self.users_group, self.repository)
 
 
 class UserGroupToPerm(Base, BaseModel):
     __tablename__ = 'users_group_to_perm'
     __table_args__ = (
         UniqueConstraint('users_group_id', 'permission_id',),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
 
 
 class UserRepoGroupToPerm(Base, BaseModel):
     __tablename__ = 'user_repo_group_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     group_to_perm_id = Column("group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     group = relationship('RepoGroup')
     permission = relationship('Permission')
 
 
 class UserGroupRepoGroupToPerm(Base, BaseModel):
     __tablename__ = 'users_group_repo_group_to_perm'
     __table_args__ = (
         UniqueConstraint('users_group_id', 'group_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     users_group_repo_group_to_perm_id = Column("users_group_repo_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
     group = relationship('RepoGroup')
 
 
 class Statistics(Base, BaseModel):
     __tablename__ = 'statistics'
     __table_args__ = (
          UniqueConstraint('repository_id'),
          {'extend_existing': True, 'mysql_engine': 'InnoDB',
           'mysql_charset': 'utf8'}
     )
     stat_id = Column("stat_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=True, default=None)
     stat_on_revision = Column("stat_on_revision", Integer(), nullable=False)
     commit_activity = Column("commit_activity", LargeBinary(1000000), nullable=False)#JSON data
     commit_activity_combined = Column("commit_activity_combined", LargeBinary(), nullable=False)#JSON data
     languages = Column("languages", LargeBinary(1000000), nullable=False)#JSON data
 
     repository = relationship('Repository', single_parent=True)
 
 
 class UserFollowing(Base, BaseModel):
     __tablename__ = 'user_followings'
     __table_args__ = (
         UniqueConstraint('user_id', 'follows_repository_id'),
         UniqueConstraint('user_id', 'follows_user_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     user_following_id = Column("user_following_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     follows_repo_id = Column("follows_repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=None, default=None)
     follows_user_id = Column("follows_user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     follows_from = Column('follows_from', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
 
     user = relationship('User', primaryjoin='User.user_id==UserFollowing.user_id')
 
     follows_user = relationship('User', primaryjoin='User.user_id==UserFollowing.follows_user_id')
     follows_repository = relationship('Repository', order_by='Repository.repo_name')
 
 
 class CacheInvalidation(Base, BaseModel):
     __tablename__ = 'cache_invalidation'
     __table_args__ = (
         UniqueConstraint('cache_key'),
         Index('key_idx', 'cache_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     cache_id = Column("cache_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     cache_key = Column("cache_key", String(255), nullable=True, unique=None, default=None)
     cache_args = Column("cache_args", String(255), nullable=True, unique=None, default=None)
     cache_active = Column("cache_active", Boolean(), nullable=True, unique=None, default=False)
 
     def __init__(self, cache_key, cache_args=''):
         self.cache_key = cache_key
         self.cache_args = cache_args
         self.cache_active = False
 
 
 class ChangesetComment(Base, BaseModel):
     __tablename__ = 'changeset_comments'
     __table_args__ = (
         Index('cc_revision_idx', 'revision'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     comment_id = Column('comment_id', Integer(), nullable=False, primary_key=True)
     repo_id = Column('repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     revision = Column('revision', String(40), nullable=True)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=True)
     line_no = Column('line_no', Unicode(10), nullable=True)
     hl_lines = Column('hl_lines', Unicode(512), nullable=True)
     f_path = Column('f_path', Unicode(1000), nullable=True)
     user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=False)
     text = Column('text', UnicodeText().with_variant(UnicodeText(25000), 'mysql'), nullable=False)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     modified_at = Column('modified_at', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     author = relationship('User', lazy='joined')
     repo = relationship('Repository')
     status_change = relationship('ChangesetStatus', cascade="all, delete, delete-orphan")
     pull_request = relationship('PullRequest', lazy='joined')
 
     @classmethod
     def get_users(cls, revision=None, pull_request_id=None):
         """
         Returns user associated with this ChangesetComment. ie those
         who actually commented
 
         :param cls:
         :param revision:
         """
         q = Session().query(User)\
                 .join(ChangesetComment.author)
         if revision:
             q = q.filter(cls.revision == revision)
         elif pull_request_id:
             q = q.filter(cls.pull_request_id == pull_request_id)
         return q.all()
 
 
 class ChangesetStatus(Base, BaseModel):
     __tablename__ = 'changeset_statuses'
     __table_args__ = (
         Index('cs_revision_idx', 'revision'),
         Index('cs_version_idx', 'version'),
         UniqueConstraint('repo_id', 'revision', 'version'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     STATUS_NOT_REVIEWED = DEFAULT = 'not_reviewed'
     STATUS_APPROVED = 'approved'
     STATUS_REJECTED = 'rejected'
     STATUS_UNDER_REVIEW = 'under_review'
 
     STATUSES = [
         (STATUS_NOT_REVIEWED, _("Not Reviewed")),  # (no icon) and default
         (STATUS_APPROVED, _("Approved")),
         (STATUS_REJECTED, _("Rejected")),
         (STATUS_UNDER_REVIEW, _("Under Review")),
     ]
 
     changeset_status_id = Column('changeset_status_id', Integer(), nullable=False, primary_key=True)
     repo_id = Column('repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None)
     revision = Column('revision', String(40), nullable=False)
     status = Column('status', String(128), nullable=False, default=DEFAULT)
     changeset_comment_id = Column('changeset_comment_id', Integer(), ForeignKey('changeset_comments.comment_id'))
     modified_at = Column('modified_at', DateTime(), nullable=False, default=datetime.datetime.now)
     version = Column('version', Integer(), nullable=False, default=0)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=True)
 
     author = relationship('User', lazy='joined')
     repo = relationship('Repository')
     comment = relationship('ChangesetComment', lazy='joined')
     pull_request = relationship('PullRequest', lazy='joined')
 
 
 
 class PullRequest(Base, BaseModel):
     __tablename__ = 'pull_requests'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     STATUS_NEW = u'new'
     STATUS_OPEN = u'open'
     STATUS_CLOSED = u'closed'
 
     pull_request_id = Column('pull_request_id', Integer(), nullable=False, primary_key=True)
     title = Column('title', Unicode(256), nullable=True)
     description = Column('description', UnicodeText().with_variant(UnicodeText(10240), 'mysql'), nullable=True)
     status = Column('status', Unicode(256), nullable=False, default=STATUS_NEW)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     updated_on = Column('updated_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None)
     _revisions = Column('revisions', UnicodeText().with_variant(UnicodeText(20500), 'mysql'))
     org_repo_id = Column('org_repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     org_ref = Column('org_ref', Unicode(256), nullable=False)
     other_repo_id = Column('other_repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     other_ref = Column('other_ref', Unicode(256), nullable=False)
 
     author = relationship('User', lazy='joined')
     reviewers = relationship('PullRequestReviewers',
                              cascade="all, delete, delete-orphan")
     org_repo = relationship('Repository', primaryjoin='PullRequest.org_repo_id==Repository.repo_id')
     other_repo = relationship('Repository', primaryjoin='PullRequest.other_repo_id==Repository.repo_id')
     statuses = relationship('ChangesetStatus')
     comments = relationship('ChangesetComment',
                              cascade="all, delete, delete-orphan")
 
 
 class PullRequestReviewers(Base, BaseModel):
     __tablename__ = 'pull_request_reviewers'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     def __init__(self, user=None, pull_request=None):
         self.user = user
         self.pull_request = pull_request
 
     pull_requests_reviewers_id = Column('pull_requests_reviewers_id', Integer(), nullable=False, primary_key=True)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=False)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True)
 
     user = relationship('User')
     pull_request = relationship('PullRequest')
 
 
 class Notification(Base, BaseModel):
     __tablename__ = 'notifications'
     __table_args__ = (
         Index('notification_type_idx', 'type'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     TYPE_CHANGESET_COMMENT = u'cs_comment'
     TYPE_MESSAGE = u'message'
     TYPE_MENTION = u'mention'
     TYPE_REGISTRATION = u'registration'
     TYPE_PULL_REQUEST = u'pull_request'
     TYPE_PULL_REQUEST_COMMENT = u'pull_request_comment'
 
     notification_id = Column('notification_id', Integer(), nullable=False, primary_key=True)
     subject = Column('subject', Unicode(512), nullable=True)
     body = Column('body', UnicodeText().with_variant(UnicodeText(50000), 'mysql'), nullable=True)
     created_by = Column("created_by", Integer(), ForeignKey('users.user_id'), nullable=True)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     type_ = Column('type', Unicode(256))
 
     created_by_user = relationship('User')
     notifications_to_users = relationship('UserNotification', lazy='joined',
                                           cascade="all, delete, delete-orphan")
 
 
 class UserNotification(Base, BaseModel):
     __tablename__ = 'user_to_notification'
     __table_args__ = (
         UniqueConstraint('user_id', 'notification_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), primary_key=True)
     notification_id = Column("notification_id", Integer(), ForeignKey('notifications.notification_id'), primary_key=True)
     read = Column('read', Boolean, default=False)
     sent_on = Column('sent_on', DateTime(timezone=False), nullable=True, unique=None)
 
     user = relationship('User', lazy="joined")
     notification = relationship('Notification', lazy="joined",
                                 order_by=lambda: Notification.created_on.desc(),)
 
 
 class DbMigrateVersion(Base, BaseModel):
     __tablename__ = 'db_migrate_version'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     repository_id = Column('repository_id', String(250), primary_key=True)
     repository_path = Column('repository_path', Text)
     version = Column('version', Integer)

rhodecode/lib/dbmigrate/schema/db_1_5_0.py

@@ -1,993 +1,992 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2010-2019 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 
 import os
 import time
 import logging
 import datetime
 import traceback
 import hashlib
 import collections
 
 from sqlalchemy import *
 from sqlalchemy.ext.hybrid import hybrid_property
 from sqlalchemy.orm import relationship, joinedload, class_mapper, validates
 from sqlalchemy.exc import DatabaseError
 from beaker.cache import cache_region, region_invalidate
 from webob.exc import HTTPNotFound
 
 from rhodecode.translation import _
 
 from rhodecode.lib.vcs import get_backend
 from rhodecode.lib.vcs.utils.helpers import get_scm
 from rhodecode.lib.vcs.exceptions import VCSError
 from zope.cachedescriptors.property import Lazy as LazyProperty
 
 from rhodecode.lib.utils2 import str2bool, safe_str, get_commit_safe, \
     safe_unicode, remove_suffix, remove_prefix
 from rhodecode.lib.ext_json import json
 from rhodecode.lib.caching_query import FromCache
 
 from rhodecode.model.meta import Base, Session
 
 URL_SEP = '/'
 log = logging.getLogger(__name__)
 
 #==============================================================================
 # BASE CLASSES
 #==============================================================================
 
 _hash_key = lambda k: hashlib.md5(safe_str(k)).hexdigest()
 
 
 class BaseModel(object):
     """
     Base Model for all classes
     """
 
     @classmethod
     def _get_keys(cls):
         """return column names for this model """
         return class_mapper(cls).c.keys()
 
     def get_dict(self):
         """
         return dict with keys and values corresponding
         to this model data """
 
         d = {}
         for k in self._get_keys():
             d[k] = getattr(self, k)
 
         # also use __json__() if present to get additional fields
         _json_attr = getattr(self, '__json__', None)
         if _json_attr:
             # update with attributes from __json__
             if callable(_json_attr):
                 _json_attr = _json_attr()
             for k, val in _json_attr.iteritems():
                 d[k] = val
         return d
 
     def get_appstruct(self):
         """return list with keys and values tupples corresponding
         to this model data """
 
         l = []
         for k in self._get_keys():
             l.append((k, getattr(self, k),))
         return l
 
     def populate_obj(self, populate_dict):
         """populate model with data from given populate_dict"""
 
         for k in self._get_keys():
             if k in populate_dict:
                 setattr(self, k, populate_dict[k])
 
     @classmethod
     def query(cls):
         return Session().query(cls)
 
     @classmethod
     def get(cls, id_):
         if id_:
             return cls.query().get(id_)
 
     @classmethod
     def get_or_404(cls, id_):
         try:
             id_ = int(id_)
         except (TypeError, ValueError):
             raise HTTPNotFound
 
         res = cls.query().get(id_)
         if not res:
             raise HTTPNotFound
         return res
 
     @classmethod
     def getAll(cls):
         # deprecated and left for backward compatibility
         return cls.get_all()
 
     @classmethod
     def get_all(cls):
         return cls.query().all()
 
     @classmethod
     def delete(cls, id_):
         obj = cls.query().get(id_)
         Session().delete(obj)
 
     def __repr__(self):
         if hasattr(self, '__unicode__'):
             # python repr needs to return str
             return safe_str(self.__unicode__())
         return '<DB:%s>' % (self.__class__.__name__)
 
 
 class RhodeCodeSetting(Base, BaseModel):
     __tablename__ = 'rhodecode_settings'
     __table_args__ = (
         UniqueConstraint('app_settings_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     app_settings_id = Column("app_settings_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     app_settings_name = Column("app_settings_name", String(255), nullable=True, unique=None, default=None)
     _app_settings_value = Column("app_settings_value", String(255), nullable=True, unique=None, default=None)
 
     def __init__(self, k='', v=''):
         self.app_settings_name = k
         self.app_settings_value = v
 
     @validates('_app_settings_value')
     def validate_settings_value(self, key, val):
         assert type(val) == unicode
         return val
 
     @hybrid_property
     def app_settings_value(self):
         v = self._app_settings_value
         if self.app_settings_name in ["ldap_active",
                                       "default_repo_enable_statistics",
                                       "default_repo_enable_locking",
                                       "default_repo_private",
                                       "default_repo_enable_downloads"]:
             v = str2bool(v)
         return v
 
     @app_settings_value.setter
     def app_settings_value(self, val):
         """
         Setter that will always make sure we use unicode in app_settings_value
 
         :param val:
         """
         self._app_settings_value = safe_unicode(val)
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (
             self.__class__.__name__,
             self.app_settings_name, self.app_settings_value
         )
 
 
 class RhodeCodeUi(Base, BaseModel):
     __tablename__ = 'rhodecode_ui'
     __table_args__ = (
         UniqueConstraint('ui_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     HOOK_REPO_SIZE = 'changegroup.repo_size'
     HOOK_PUSH = 'changegroup.push_logger'
     HOOK_PRE_PUSH = 'prechangegroup.pre_push'
     HOOK_PULL = 'outgoing.pull_logger'
     HOOK_PRE_PULL = 'preoutgoing.pre_pull'
 
     ui_id = Column("ui_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     ui_section = Column("ui_section", String(255), nullable=True, unique=None, default=None)
     ui_key = Column("ui_key", String(255), nullable=True, unique=None, default=None)
     ui_value = Column("ui_value", String(255), nullable=True, unique=None, default=None)
     ui_active = Column("ui_active", Boolean(), nullable=True, unique=None, default=True)
 
 
 
 class User(Base, BaseModel):
     __tablename__ = 'users'
     __table_args__ = (
         UniqueConstraint('username'), UniqueConstraint('email'),
         Index('u_username_idx', 'username'),
         Index('u_email_idx', 'email'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     DEFAULT_USER = 'default'
     DEFAULT_PERMISSIONS = [
         'hg.register.manual_activate', 'hg.create.repository',
         'hg.fork.repository', 'repository.read', 'group.read'
     ]
     user_id = Column("user_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     username = Column("username", String(255), nullable=True, unique=None, default=None)
     password = Column("password", String(255), nullable=True, unique=None, default=None)
     active = Column("active", Boolean(), nullable=True, unique=None, default=True)
     admin = Column("admin", Boolean(), nullable=True, unique=None, default=False)
     name = Column("firstname", String(255), nullable=True, unique=None, default=None)
     lastname = Column("lastname", String(255), nullable=True, unique=None, default=None)
     _email = Column("email", String(255), nullable=True, unique=None, default=None)
     last_login = Column("last_login", DateTime(timezone=False), nullable=True, unique=None, default=None)
     ldap_dn = Column("ldap_dn", String(255), nullable=True, unique=None, default=None)
     api_key = Column("api_key", String(255), nullable=True, unique=None, default=None)
     inherit_default_permissions = Column("inherit_default_permissions", Boolean(), nullable=False, unique=None, default=True)
 
     user_log = relationship('UserLog')
     user_perms = relationship('UserToPerm', primaryjoin="User.user_id==UserToPerm.user_id", cascade='all')
 
     repositories = relationship('Repository')
     user_followers = relationship('UserFollowing', primaryjoin='UserFollowing.follows_user_id==User.user_id', cascade='all')
     followings = relationship('UserFollowing', primaryjoin='UserFollowing.user_id==User.user_id', cascade='all')
 
     repo_to_perm = relationship('UserRepoToPerm', primaryjoin='UserRepoToPerm.user_id==User.user_id', cascade='all')
     repo_group_to_perm = relationship('UserRepoGroupToPerm', primaryjoin='UserRepoGroupToPerm.user_id==User.user_id', cascade='all')
 
     group_member = relationship('UserGroupMember', cascade='all')
 
     notifications = relationship('UserNotification', cascade='all')
     # notifications assigned to this user
     user_created_notifications = relationship('Notification', cascade='all')
     # comments created by this user
     user_comments = relationship('ChangesetComment', cascade='all')
     user_emails = relationship('UserEmailMap', cascade='all')
 
     @hybrid_property
     def email(self):
         return self._email
 
     @email.setter
     def email(self, val):
         self._email = val.lower() if val else None
 
     @property
     def firstname(self):
         # alias for future
         return self.name
 
     @property
     def username_and_name(self):
         return '%s (%s %s)' % (self.username, self.firstname, self.lastname)
 
     @property
     def full_name(self):
         return '%s %s' % (self.firstname, self.lastname)
 
     @property
     def full_contact(self):
         return '%s %s <%s>' % (self.firstname, self.lastname, self.email)
 
     @property
     def short_contact(self):
         return '%s %s' % (self.firstname, self.lastname)
 
     @property
     def is_admin(self):
         return self.admin
 
     @classmethod
     def get_by_username(cls, username, case_insensitive=False, cache=False):
         if case_insensitive:
             q = cls.query().filter(cls.username.ilike(username))
         else:
             q = cls.query().filter(cls.username == username)
 
         if cache:
             q = q.options(FromCache(
                             "sql_cache_short",
                             "get_user_%s" % _hash_key(username)
                           )
             )
         return q.scalar()
 
     @classmethod
     def get_by_auth_token(cls, auth_token, cache=False):
         q = cls.query().filter(cls.api_key == auth_token)
 
         if cache:
             q = q.options(FromCache("sql_cache_short",
                                     "get_auth_token_%s" % auth_token))
         return q.scalar()
 
     @classmethod
     def get_by_email(cls, email, case_insensitive=False, cache=False):
         if case_insensitive:
             q = cls.query().filter(cls.email.ilike(email))
         else:
             q = cls.query().filter(cls.email == email)
 
         if cache:
             q = q.options(FromCache("sql_cache_short",
                                     "get_email_key_%s" % email))
 
         ret = q.scalar()
         if ret is None:
             q = UserEmailMap.query()
             # try fetching in alternate email map
             if case_insensitive:
                 q = q.filter(UserEmailMap.email.ilike(email))
             else:
                 q = q.filter(UserEmailMap.email == email)
             q = q.options(joinedload(UserEmailMap.user))
             if cache:
                 q = q.options(FromCache("sql_cache_short",
                                         "get_email_map_key_%s" % email))
             ret = getattr(q.scalar(), 'user', None)
 
         return ret
 
 
 class UserEmailMap(Base, BaseModel):
     __tablename__ = 'user_email_map'
     __table_args__ = (
         Index('uem_email_idx', 'email'),
         UniqueConstraint('email'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     __mapper_args__ = {}
 
     email_id = Column("email_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     _email = Column("email", String(255), nullable=True, unique=False, default=None)
     user = relationship('User', lazy='joined')
 
     @validates('_email')
     def validate_email(self, key, email):
         # check if this email is not main one
         main_email = Session().query(User).filter(User.email == email).scalar()
         if main_email is not None:
             raise AttributeError('email %s is present is user table' % email)
         return email
 
     @hybrid_property
     def email(self):
         return self._email
 
     @email.setter
     def email(self, val):
         self._email = val.lower() if val else None
 
 
 class UserLog(Base, BaseModel):
     __tablename__ = 'user_logs'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     user_log_id = Column("user_log_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     username = Column("username", String(255), nullable=True, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True)
     repository_name = Column("repository_name", String(255), nullable=True, unique=None, default=None)
     user_ip = Column("user_ip", String(255), nullable=True, unique=None, default=None)
     action = Column("action", String(1200000), nullable=True, unique=None, default=None)
     action_date = Column("action_date", DateTime(timezone=False), nullable=True, unique=None, default=None)
 
 
     user = relationship('User')
     repository = relationship('Repository', cascade='')
 
 
 class UserGroup(Base, BaseModel):
     __tablename__ = 'users_groups'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     users_group_id = Column("users_group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_name = Column("users_group_name", String(255), nullable=False, unique=True, default=None)
     users_group_active = Column("users_group_active", Boolean(), nullable=True, unique=None, default=None)
     inherit_default_permissions = Column("users_group_inherit_default_permissions", Boolean(), nullable=False, unique=None, default=True)
 
     members = relationship('UserGroupMember', cascade="all, delete, delete-orphan", lazy="joined")
     users_group_to_perm = relationship('UserGroupToPerm', cascade='all')
     users_group_repo_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
 
     def __unicode__(self):
         return u'<userGroup(%s)>' % (self.users_group_name)
 
     @classmethod
     def get_by_group_name(cls, group_name, cache=False,
                           case_insensitive=False):
         if case_insensitive:
             q = cls.query().filter(cls.users_group_name.ilike(group_name))
         else:
             q = cls.query().filter(cls.users_group_name == group_name)
         if cache:
             q = q.options(FromCache(
                             "sql_cache_short",
                             "get_user_%s" % _hash_key(group_name)
                           )
             )
         return q.scalar()
 
     @classmethod
     def get(cls, users_group_id, cache=False):
         user_group = cls.query()
         if cache:
             user_group = user_group.options(FromCache("sql_cache_short",
                                     "get_users_group_%s" % users_group_id))
         return user_group.get(users_group_id)
 
 
 class UserGroupMember(Base, BaseModel):
     __tablename__ = 'users_groups_members'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     users_group_member_id = Column("users_group_member_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User', lazy='joined')
     users_group = relationship('UserGroup')
 
     def __init__(self, gr_id='', u_id=''):
         self.users_group_id = gr_id
         self.user_id = u_id
 
 
 class Repository(Base, BaseModel):
     __tablename__ = 'repositories'
     __table_args__ = (
         UniqueConstraint('repo_name'),
         Index('r_repo_name_idx', 'repo_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     repo_id = Column("repo_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repo_name = Column("repo_name", String(255), nullable=False, unique=True, default=None)
     clone_uri = Column("clone_uri", String(255), nullable=True, unique=False, default=None)
     repo_type = Column("repo_type", String(255), nullable=False, unique=False, default=None)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)
     private = Column("private", Boolean(), nullable=True, unique=None, default=None)
     enable_statistics = Column("statistics", Boolean(), nullable=True, unique=None, default=True)
     enable_downloads = Column("downloads", Boolean(), nullable=True, unique=None, default=True)
     description = Column("description", String(10000), nullable=True, unique=None, default=None)
     created_on = Column('created_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
     updated_on = Column('updated_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
     landing_rev = Column("landing_revision", String(255), nullable=False, unique=False, default=None)
     enable_locking = Column("enable_locking", Boolean(), nullable=False, unique=None, default=False)
     _locked = Column("locked", String(255), nullable=True, unique=False, default=None)
 
     fork_id = Column("fork_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=False, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=False, default=None)
 
     user = relationship('User')
     fork = relationship('Repository', remote_side=repo_id)
     group = relationship('RepoGroup')
     repo_to_perm = relationship('UserRepoToPerm', cascade='all', order_by='UserRepoToPerm.repo_to_perm_id')
     users_group_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
     stats = relationship('Statistics', cascade='all', uselist=False)
 
     followers = relationship('UserFollowing',
                              primaryjoin='UserFollowing.follows_repo_id==Repository.repo_id',
                              cascade='all')
 
     logs = relationship('UserLog')
     comments = relationship('ChangesetComment', cascade="all, delete, delete-orphan")
 
     pull_requests_org = relationship('PullRequest',
                     primaryjoin='PullRequest.org_repo_id==Repository.repo_id',
                     cascade="all, delete, delete-orphan")
 
     pull_requests_other = relationship('PullRequest',
                     primaryjoin='PullRequest.other_repo_id==Repository.repo_id',
                     cascade="all, delete, delete-orphan")
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (self.__class__.__name__, self.repo_id,
                                    self.repo_name)
 
 
     @classmethod
     def get_by_repo_name(cls, repo_name):
         q = Session().query(cls).filter(cls.repo_name == repo_name)
         q = q.options(joinedload(Repository.fork))\
             .options(joinedload(Repository.user))\
             .options(joinedload(Repository.group))
         return q.scalar()
 
 
 class RepoGroup(Base, BaseModel):
     __tablename__ = 'groups'
     __table_args__ = (
         UniqueConstraint('group_name', 'group_parent_id'),
-        CheckConstraint('group_id != group_parent_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     __mapper_args__ = {'order_by': 'group_name'}
 
     group_id = Column("group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     group_name = Column("group_name", String(255), nullable=False, unique=True, default=None)
     group_parent_id = Column("group_parent_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=None, default=None)
     group_description = Column("group_description", String(10000), nullable=True, unique=None, default=None)
     enable_locking = Column("enable_locking", Boolean(), nullable=False, unique=None, default=False)
 
     repo_group_to_perm = relationship('UserRepoGroupToPerm', cascade='all', order_by='UserRepoGroupToPerm.group_to_perm_id')
     users_group_to_perm = relationship('UserGroupRepoGroupToPerm', cascade='all')
     parent_group = relationship('RepoGroup', remote_side=group_id)
 
     def __init__(self, group_name='', parent_group=None):
         self.group_name = group_name
         self.parent_group = parent_group
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (self.__class__.__name__, self.group_id,
                                   self.group_name)
 
     @classmethod
     def url_sep(cls):
         return URL_SEP
 
     @classmethod
     def get_by_group_name(cls, group_name, cache=False, case_insensitive=False):
         if case_insensitive:
             gr = cls.query()\
                 .filter(cls.group_name.ilike(group_name))
         else:
             gr = cls.query()\
                 .filter(cls.group_name == group_name)
         if cache:
             gr = gr.options(FromCache(
                             "sql_cache_short",
                             "get_group_%s" % _hash_key(group_name)
                             )
             )
         return gr.scalar()
 
 
 class Permission(Base, BaseModel):
     __tablename__ = 'permissions'
     __table_args__ = (
         Index('p_perm_name_idx', 'permission_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     PERMS = [
         ('repository.none', _('Repository no access')),
         ('repository.read', _('Repository read access')),
         ('repository.write', _('Repository write access')),
         ('repository.admin', _('Repository admin access')),
 
         ('group.none', _('Repositories Group no access')),
         ('group.read', _('Repositories Group read access')),
         ('group.write', _('Repositories Group write access')),
         ('group.admin', _('Repositories Group admin access')),
 
         ('hg.admin', _('RhodeCode Administrator')),
         ('hg.create.none', _('Repository creation disabled')),
         ('hg.create.repository', _('Repository creation enabled')),
         ('hg.fork.none', _('Repository forking disabled')),
         ('hg.fork.repository', _('Repository forking enabled')),
         ('hg.register.none', _('Register disabled')),
         ('hg.register.manual_activate', _('Register new user with RhodeCode '
                                           'with manual activation')),
 
         ('hg.register.auto_activate', _('Register new user with RhodeCode '
                                         'with auto activation')),
     ]
 
     # defines which permissions are more important higher the more important
     PERM_WEIGHTS = {
         'repository.none': 0,
         'repository.read': 1,
         'repository.write': 3,
         'repository.admin': 4,
 
         'group.none': 0,
         'group.read': 1,
         'group.write': 3,
         'group.admin': 4,
 
         'hg.fork.none': 0,
         'hg.fork.repository': 1,
         'hg.create.none': 0,
         'hg.create.repository':1
     }
 
     DEFAULT_USER_PERMISSIONS = [
         'repository.read',
         'group.read',
         'hg.create.repository',
         'hg.fork.repository',
         'hg.register.manual_activate',
     ]
 
     permission_id = Column("permission_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     permission_name = Column("permission_name", String(255), nullable=True, unique=None, default=None)
     permission_longname = Column("permission_longname", String(255), nullable=True, unique=None, default=None)
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (
             self.__class__.__name__, self.permission_id, self.permission_name
         )
 
     @classmethod
     def get_by_key(cls, key):
         return cls.query().filter(cls.permission_name == key).scalar()
 
 
 class UserRepoToPerm(Base, BaseModel):
     __tablename__ = 'repo_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'repository_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     repo_to_perm_id = Column("repo_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     repository = relationship('Repository')
     permission = relationship('Permission')
 
     def __unicode__(self):
         return u'<user:%s => %s >' % (self.user, self.repository)
 
 
 class UserToPerm(Base, BaseModel):
     __tablename__ = 'user_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     user_to_perm_id = Column("user_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     permission = relationship('Permission', lazy='joined')
 
 
 class UserGroupRepoToPerm(Base, BaseModel):
     __tablename__ = 'users_group_repo_to_perm'
     __table_args__ = (
         UniqueConstraint('repository_id', 'users_group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
     repository = relationship('Repository')
 
     def __unicode__(self):
         return u'<userGroup:%s => %s >' % (self.users_group, self.repository)
 
 
 class UserGroupToPerm(Base, BaseModel):
     __tablename__ = 'users_group_to_perm'
     __table_args__ = (
         UniqueConstraint('users_group_id', 'permission_id',),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
 
 
 class UserRepoGroupToPerm(Base, BaseModel):
     __tablename__ = 'user_repo_group_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     group_to_perm_id = Column("group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     group = relationship('RepoGroup')
     permission = relationship('Permission')
 
 
 class UserGroupRepoGroupToPerm(Base, BaseModel):
     __tablename__ = 'users_group_repo_group_to_perm'
     __table_args__ = (
         UniqueConstraint('users_group_id', 'group_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     users_group_repo_group_to_perm_id = Column("users_group_repo_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
     group = relationship('RepoGroup')
 
 
 class Statistics(Base, BaseModel):
     __tablename__ = 'statistics'
     __table_args__ = (
          UniqueConstraint('repository_id'),
          {'extend_existing': True, 'mysql_engine': 'InnoDB',
           'mysql_charset': 'utf8'}
     )
     stat_id = Column("stat_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=True, default=None)
     stat_on_revision = Column("stat_on_revision", Integer(), nullable=False)
     commit_activity = Column("commit_activity", LargeBinary(1000000), nullable=False)#JSON data
     commit_activity_combined = Column("commit_activity_combined", LargeBinary(), nullable=False)#JSON data
     languages = Column("languages", LargeBinary(1000000), nullable=False)#JSON data
 
     repository = relationship('Repository', single_parent=True)
 
 
 class UserFollowing(Base, BaseModel):
     __tablename__ = 'user_followings'
     __table_args__ = (
         UniqueConstraint('user_id', 'follows_repository_id'),
         UniqueConstraint('user_id', 'follows_user_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     user_following_id = Column("user_following_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     follows_repo_id = Column("follows_repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=None, default=None)
     follows_user_id = Column("follows_user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     follows_from = Column('follows_from', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
 
     user = relationship('User', primaryjoin='User.user_id==UserFollowing.user_id')
 
     follows_user = relationship('User', primaryjoin='User.user_id==UserFollowing.follows_user_id')
     follows_repository = relationship('Repository', order_by='Repository.repo_name')
 
 
 class CacheInvalidation(Base, BaseModel):
     __tablename__ = 'cache_invalidation'
     __table_args__ = (
         UniqueConstraint('cache_key'),
         Index('key_idx', 'cache_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     cache_id = Column("cache_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     cache_key = Column("cache_key", String(255), nullable=True, unique=None, default=None)
     cache_args = Column("cache_args", String(255), nullable=True, unique=None, default=None)
     cache_active = Column("cache_active", Boolean(), nullable=True, unique=None, default=False)
 
     def __init__(self, cache_key, cache_args=''):
         self.cache_key = cache_key
         self.cache_args = cache_args
         self.cache_active = False
 
 
 class ChangesetComment(Base, BaseModel):
     __tablename__ = 'changeset_comments'
     __table_args__ = (
         Index('cc_revision_idx', 'revision'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     comment_id = Column('comment_id', Integer(), nullable=False, primary_key=True)
     repo_id = Column('repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     revision = Column('revision', String(40), nullable=True)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=True)
     line_no = Column('line_no', Unicode(10), nullable=True)
     hl_lines = Column('hl_lines', Unicode(512), nullable=True)
     f_path = Column('f_path', Unicode(1000), nullable=True)
     user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=False)
     text = Column('text', UnicodeText().with_variant(UnicodeText(25000), 'mysql'), nullable=False)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     modified_at = Column('modified_at', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     author = relationship('User', lazy='joined')
     repo = relationship('Repository')
     status_change = relationship('ChangesetStatus', cascade="all, delete, delete-orphan")
     pull_request = relationship('PullRequest', lazy='joined')
 
     @classmethod
     def get_users(cls, revision=None, pull_request_id=None):
         """
         Returns user associated with this ChangesetComment. ie those
         who actually commented
 
         :param cls:
         :param revision:
         """
         q = Session().query(User)\
                 .join(ChangesetComment.author)
         if revision:
             q = q.filter(cls.revision == revision)
         elif pull_request_id:
             q = q.filter(cls.pull_request_id == pull_request_id)
         return q.all()
 
 
 class ChangesetStatus(Base, BaseModel):
     __tablename__ = 'changeset_statuses'
     __table_args__ = (
         Index('cs_revision_idx', 'revision'),
         Index('cs_version_idx', 'version'),
         UniqueConstraint('repo_id', 'revision', 'version'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     STATUS_NOT_REVIEWED = DEFAULT = 'not_reviewed'
     STATUS_APPROVED = 'approved'
     STATUS_REJECTED = 'rejected'
     STATUS_UNDER_REVIEW = 'under_review'
 
     STATUSES = [
         (STATUS_NOT_REVIEWED, _("Not Reviewed")),  # (no icon) and default
         (STATUS_APPROVED, _("Approved")),
         (STATUS_REJECTED, _("Rejected")),
         (STATUS_UNDER_REVIEW, _("Under Review")),
     ]
 
     changeset_status_id = Column('changeset_status_id', Integer(), nullable=False, primary_key=True)
     repo_id = Column('repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None)
     revision = Column('revision', String(40), nullable=False)
     status = Column('status', String(128), nullable=False, default=DEFAULT)
     changeset_comment_id = Column('changeset_comment_id', Integer(), ForeignKey('changeset_comments.comment_id'))
     modified_at = Column('modified_at', DateTime(), nullable=False, default=datetime.datetime.now)
     version = Column('version', Integer(), nullable=False, default=0)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=True)
 
     author = relationship('User', lazy='joined')
     repo = relationship('Repository')
     comment = relationship('ChangesetComment', lazy='joined')
     pull_request = relationship('PullRequest', lazy='joined')
 
 
 
 class PullRequest(Base, BaseModel):
     __tablename__ = 'pull_requests'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     STATUS_NEW = u'new'
     STATUS_OPEN = u'open'
     STATUS_CLOSED = u'closed'
 
     pull_request_id = Column('pull_request_id', Integer(), nullable=False, primary_key=True)
     title = Column('title', Unicode(256), nullable=True)
     description = Column('description', UnicodeText().with_variant(UnicodeText(10240), 'mysql'), nullable=True)
     status = Column('status', Unicode(256), nullable=False, default=STATUS_NEW)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     updated_on = Column('updated_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None)
     _revisions = Column('revisions', UnicodeText().with_variant(UnicodeText(20500), 'mysql'))
     org_repo_id = Column('org_repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     org_ref = Column('org_ref', Unicode(256), nullable=False)
     other_repo_id = Column('other_repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     other_ref = Column('other_ref', Unicode(256), nullable=False)
 
     author = relationship('User', lazy='joined')
     reviewers = relationship('PullRequestReviewers',
                              cascade="all, delete, delete-orphan")
     org_repo = relationship('Repository', primaryjoin='PullRequest.org_repo_id==Repository.repo_id')
     other_repo = relationship('Repository', primaryjoin='PullRequest.other_repo_id==Repository.repo_id')
     statuses = relationship('ChangesetStatus')
     comments = relationship('ChangesetComment',
                              cascade="all, delete, delete-orphan")
 
 
 class PullRequestReviewers(Base, BaseModel):
     __tablename__ = 'pull_request_reviewers'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     def __init__(self, user=None, pull_request=None):
         self.user = user
         self.pull_request = pull_request
 
     pull_requests_reviewers_id = Column('pull_requests_reviewers_id', Integer(), nullable=False, primary_key=True)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=False)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True)
 
     user = relationship('User')
     pull_request = relationship('PullRequest')
 
 
 class Notification(Base, BaseModel):
     __tablename__ = 'notifications'
     __table_args__ = (
         Index('notification_type_idx', 'type'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     TYPE_CHANGESET_COMMENT = u'cs_comment'
     TYPE_MESSAGE = u'message'
     TYPE_MENTION = u'mention'
     TYPE_REGISTRATION = u'registration'
     TYPE_PULL_REQUEST = u'pull_request'
     TYPE_PULL_REQUEST_COMMENT = u'pull_request_comment'
 
     notification_id = Column('notification_id', Integer(), nullable=False, primary_key=True)
     subject = Column('subject', Unicode(512), nullable=True)
     body = Column('body', UnicodeText().with_variant(UnicodeText(50000), 'mysql'), nullable=True)
     created_by = Column("created_by", Integer(), ForeignKey('users.user_id'), nullable=True)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     type_ = Column('type', Unicode(256))
 
     created_by_user = relationship('User')
     notifications_to_users = relationship('UserNotification', lazy='joined',
                                           cascade="all, delete, delete-orphan")
 
 
 class UserNotification(Base, BaseModel):
     __tablename__ = 'user_to_notification'
     __table_args__ = (
         UniqueConstraint('user_id', 'notification_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), primary_key=True)
     notification_id = Column("notification_id", Integer(), ForeignKey('notifications.notification_id'), primary_key=True)
     read = Column('read', Boolean, default=False)
     sent_on = Column('sent_on', DateTime(timezone=False), nullable=True, unique=None)
 
     user = relationship('User', lazy="joined")
     notification = relationship('Notification', lazy="joined",
                                 order_by=lambda: Notification.created_on.desc(),)
 
 
 class DbMigrateVersion(Base, BaseModel):
     __tablename__ = 'db_migrate_version'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     repository_id = Column('repository_id', String(250), primary_key=True)
     repository_path = Column('repository_path', Text)
     version = Column('version', Integer)

rhodecode/lib/dbmigrate/schema/db_1_5_2.py

@@ -1,1002 +1,1001 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2010-2019 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 import os
 import time
 import logging
 import datetime
 import traceback
 import hashlib
 import collections
 
 from sqlalchemy import *
 from sqlalchemy.ext.hybrid import hybrid_property
 from sqlalchemy.orm import relationship, joinedload, class_mapper, validates
 from sqlalchemy.exc import DatabaseError
 from beaker.cache import cache_region, region_invalidate
 from webob.exc import HTTPNotFound
 
 from rhodecode.translation import _
 
 from rhodecode.lib.vcs import get_backend
 from rhodecode.lib.vcs.utils.helpers import get_scm
 from rhodecode.lib.vcs.exceptions import VCSError
 from zope.cachedescriptors.property import Lazy as LazyProperty
 from rhodecode.lib.vcs.backends.base import EmptyCommit
 
 from rhodecode.lib.utils2 import str2bool, safe_str, get_commit_safe, \
     safe_unicode, remove_suffix, remove_prefix
 from rhodecode.lib.ext_json import json
 from rhodecode.lib.caching_query import FromCache
 
 from rhodecode.model.meta import Base, Session
 
 URL_SEP = '/'
 log = logging.getLogger(__name__)
 
 #==============================================================================
 # BASE CLASSES
 #==============================================================================
 
 _hash_key = lambda k: hashlib.md5(safe_str(k)).hexdigest()
 
 
 class BaseModel(object):
     """
     Base Model for all classes
     """
 
     @classmethod
     def _get_keys(cls):
         """return column names for this model """
         return class_mapper(cls).c.keys()
 
     def get_dict(self):
         """
         return dict with keys and values corresponding
         to this model data """
 
         d = {}
         for k in self._get_keys():
             d[k] = getattr(self, k)
 
         # also use __json__() if present to get additional fields
         _json_attr = getattr(self, '__json__', None)
         if _json_attr:
             # update with attributes from __json__
             if callable(_json_attr):
                 _json_attr = _json_attr()
             for k, val in _json_attr.iteritems():
                 d[k] = val
         return d
 
     def get_appstruct(self):
         """return list with keys and values tupples corresponding
         to this model data """
 
         l = []
         for k in self._get_keys():
             l.append((k, getattr(self, k),))
         return l
 
     def populate_obj(self, populate_dict):
         """populate model with data from given populate_dict"""
 
         for k in self._get_keys():
             if k in populate_dict:
                 setattr(self, k, populate_dict[k])
 
     @classmethod
     def query(cls):
         return Session().query(cls)
 
     @classmethod
     def get(cls, id_):
         if id_:
             return cls.query().get(id_)
 
     @classmethod
     def get_or_404(cls, id_):
         try:
             id_ = int(id_)
         except (TypeError, ValueError):
             raise HTTPNotFound
 
         res = cls.query().get(id_)
         if not res:
             raise HTTPNotFound
         return res
 
     @classmethod
     def getAll(cls):
         # deprecated and left for backward compatibility
         return cls.get_all()
 
     @classmethod
     def get_all(cls):
         return cls.query().all()
 
     @classmethod
     def delete(cls, id_):
         obj = cls.query().get(id_)
         Session().delete(obj)
 
     def __repr__(self):
         if hasattr(self, '__unicode__'):
             # python repr needs to return str
             return safe_str(self.__unicode__())
         return '<DB:%s>' % (self.__class__.__name__)
 
 
 class RhodeCodeSetting(Base, BaseModel):
     __tablename__ = 'rhodecode_settings'
     __table_args__ = (
         UniqueConstraint('app_settings_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     app_settings_id = Column("app_settings_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     app_settings_name = Column("app_settings_name", String(255), nullable=True, unique=None, default=None)
     _app_settings_value = Column("app_settings_value", String(255), nullable=True, unique=None, default=None)
 
     def __init__(self, k='', v=''):
         self.app_settings_name = k
         self.app_settings_value = v
 
     @validates('_app_settings_value')
     def validate_settings_value(self, key, val):
         assert type(val) == unicode
         return val
 
     @hybrid_property
     def app_settings_value(self):
         v = self._app_settings_value
         if self.app_settings_name in ["ldap_active",
                                       "default_repo_enable_statistics",
                                       "default_repo_enable_locking",
                                       "default_repo_private",
                                       "default_repo_enable_downloads"]:
             v = str2bool(v)
         return v
 
     @app_settings_value.setter
     def app_settings_value(self, val):
         """
         Setter that will always make sure we use unicode in app_settings_value
 
         :param val:
         """
         self._app_settings_value = safe_unicode(val)
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (
             self.__class__.__name__,
             self.app_settings_name, self.app_settings_value
         )
 
 
 class RhodeCodeUi(Base, BaseModel):
     __tablename__ = 'rhodecode_ui'
     __table_args__ = (
         UniqueConstraint('ui_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     HOOK_REPO_SIZE = 'changegroup.repo_size'
     HOOK_PUSH = 'changegroup.push_logger'
     HOOK_PRE_PUSH = 'prechangegroup.pre_push'
     HOOK_PULL = 'outgoing.pull_logger'
     HOOK_PRE_PULL = 'preoutgoing.pre_pull'
 
     ui_id = Column("ui_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     ui_section = Column("ui_section", String(255), nullable=True, unique=None, default=None)
     ui_key = Column("ui_key", String(255), nullable=True, unique=None, default=None)
     ui_value = Column("ui_value", String(255), nullable=True, unique=None, default=None)
     ui_active = Column("ui_active", Boolean(), nullable=True, unique=None, default=True)
 
 
 
 class User(Base, BaseModel):
     __tablename__ = 'users'
     __table_args__ = (
         UniqueConstraint('username'), UniqueConstraint('email'),
         Index('u_username_idx', 'username'),
         Index('u_email_idx', 'email'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     DEFAULT_USER = 'default'
     DEFAULT_PERMISSIONS = [
         'hg.register.manual_activate', 'hg.create.repository',
         'hg.fork.repository', 'repository.read', 'group.read'
     ]
     user_id = Column("user_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     username = Column("username", String(255), nullable=True, unique=None, default=None)
     password = Column("password", String(255), nullable=True, unique=None, default=None)
     active = Column("active", Boolean(), nullable=True, unique=None, default=True)
     admin = Column("admin", Boolean(), nullable=True, unique=None, default=False)
     name = Column("firstname", String(255), nullable=True, unique=None, default=None)
     lastname = Column("lastname", String(255), nullable=True, unique=None, default=None)
     _email = Column("email", String(255), nullable=True, unique=None, default=None)
     last_login = Column("last_login", DateTime(timezone=False), nullable=True, unique=None, default=None)
     ldap_dn = Column("ldap_dn", String(255), nullable=True, unique=None, default=None)
     api_key = Column("api_key", String(255), nullable=True, unique=None, default=None)
     inherit_default_permissions = Column("inherit_default_permissions", Boolean(), nullable=False, unique=None, default=True)
 
     user_log = relationship('UserLog')
     user_perms = relationship('UserToPerm', primaryjoin="User.user_id==UserToPerm.user_id", cascade='all')
 
     repositories = relationship('Repository')
     user_followers = relationship('UserFollowing', primaryjoin='UserFollowing.follows_user_id==User.user_id', cascade='all')
     followings = relationship('UserFollowing', primaryjoin='UserFollowing.user_id==User.user_id', cascade='all')
 
     repo_to_perm = relationship('UserRepoToPerm', primaryjoin='UserRepoToPerm.user_id==User.user_id', cascade='all')
     repo_group_to_perm = relationship('UserRepoGroupToPerm', primaryjoin='UserRepoGroupToPerm.user_id==User.user_id', cascade='all')
 
     group_member = relationship('UserGroupMember', cascade='all')
 
     notifications = relationship('UserNotification', cascade='all')
     # notifications assigned to this user
     user_created_notifications = relationship('Notification', cascade='all')
     # comments created by this user
     user_comments = relationship('ChangesetComment', cascade='all')
     user_emails = relationship('UserEmailMap', cascade='all')
 
     @hybrid_property
     def email(self):
         return self._email
 
     @email.setter
     def email(self, val):
         self._email = val.lower() if val else None
 
     @property
     def firstname(self):
         # alias for future
         return self.name
 
     @property
     def username_and_name(self):
         return '%s (%s %s)' % (self.username, self.firstname, self.lastname)
 
     @property
     def full_name(self):
         return '%s %s' % (self.firstname, self.lastname)
 
     @property
     def full_contact(self):
         return '%s %s <%s>' % (self.firstname, self.lastname, self.email)
 
     @property
     def short_contact(self):
         return '%s %s' % (self.firstname, self.lastname)
 
     @property
     def is_admin(self):
         return self.admin
 
     @classmethod
     def get_by_username(cls, username, case_insensitive=False, cache=False):
         if case_insensitive:
             q = cls.query().filter(cls.username.ilike(username))
         else:
             q = cls.query().filter(cls.username == username)
 
         if cache:
             q = q.options(FromCache(
                             "sql_cache_short",
                             "get_user_%s" % _hash_key(username)
                           )
             )
         return q.scalar()
 
     @classmethod
     def get_by_auth_token(cls, auth_token, cache=False):
         q = cls.query().filter(cls.api_key == auth_token)
 
         if cache:
             q = q.options(FromCache("sql_cache_short",
                                     "get_auth_token_%s" % auth_token))
         return q.scalar()
 
     @classmethod
     def get_by_email(cls, email, case_insensitive=False, cache=False):
         if case_insensitive:
             q = cls.query().filter(cls.email.ilike(email))
         else:
             q = cls.query().filter(cls.email == email)
 
         if cache:
             q = q.options(FromCache("sql_cache_short",
                                     "get_email_key_%s" % email))
 
         ret = q.scalar()
         if ret is None:
             q = UserEmailMap.query()
             # try fetching in alternate email map
             if case_insensitive:
                 q = q.filter(UserEmailMap.email.ilike(email))
             else:
                 q = q.filter(UserEmailMap.email == email)
             q = q.options(joinedload(UserEmailMap.user))
             if cache:
                 q = q.options(FromCache("sql_cache_short",
                                         "get_email_map_key_%s" % email))
             ret = getattr(q.scalar(), 'user', None)
 
         return ret
 
 
 class UserEmailMap(Base, BaseModel):
     __tablename__ = 'user_email_map'
     __table_args__ = (
         Index('uem_email_idx', 'email'),
         UniqueConstraint('email'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     __mapper_args__ = {}
 
     email_id = Column("email_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     _email = Column("email", String(255), nullable=True, unique=False, default=None)
     user = relationship('User', lazy='joined')
 
     @validates('_email')
     def validate_email(self, key, email):
         # check if this email is not main one
         main_email = Session().query(User).filter(User.email == email).scalar()
         if main_email is not None:
             raise AttributeError('email %s is present is user table' % email)
         return email
 
     @hybrid_property
     def email(self):
         return self._email
 
     @email.setter
     def email(self, val):
         self._email = val.lower() if val else None
 
 
 class UserIpMap(Base, BaseModel):
     __tablename__ = 'user_ip_map'
     __table_args__ = (
         UniqueConstraint('user_id', 'ip_addr'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     __mapper_args__ = {}
 
     ip_id = Column("ip_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     ip_addr = Column("ip_addr", String(255), nullable=True, unique=False, default=None)
     active = Column("active", Boolean(), nullable=True, unique=None, default=True)
     user = relationship('User', lazy='joined')
 
 
 class UserLog(Base, BaseModel):
     __tablename__ = 'user_logs'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     user_log_id = Column("user_log_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     username = Column("username", String(255), nullable=True, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True)
     repository_name = Column("repository_name", String(255), nullable=True, unique=None, default=None)
     user_ip = Column("user_ip", String(255), nullable=True, unique=None, default=None)
     action = Column("action", String(1200000), nullable=True, unique=None, default=None)
     action_date = Column("action_date", DateTime(timezone=False), nullable=True, unique=None, default=None)
 
 
     user = relationship('User')
     repository = relationship('Repository', cascade='')
 
 
 class UserGroup(Base, BaseModel):
     __tablename__ = 'users_groups'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     users_group_id = Column("users_group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_name = Column("users_group_name", String(255), nullable=False, unique=True, default=None)
     users_group_active = Column("users_group_active", Boolean(), nullable=True, unique=None, default=None)
     inherit_default_permissions = Column("users_group_inherit_default_permissions", Boolean(), nullable=False, unique=None, default=True)
 
     members = relationship('UserGroupMember', cascade="all, delete, delete-orphan", lazy="joined")
     users_group_to_perm = relationship('UserGroupToPerm', cascade='all')
     users_group_repo_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
 
     def __unicode__(self):
         return u'<userGroup(%s)>' % (self.users_group_name)
 
     @classmethod
     def get_by_group_name(cls, group_name, cache=False,
                           case_insensitive=False):
         if case_insensitive:
             q = cls.query().filter(cls.users_group_name.ilike(group_name))
         else:
             q = cls.query().filter(cls.users_group_name == group_name)
         if cache:
             q = q.options(FromCache(
                             "sql_cache_short",
                             "get_user_%s" % _hash_key(group_name)
                           )
             )
         return q.scalar()
 
     @classmethod
     def get(cls, users_group_id, cache=False):
         user_group = cls.query()
         if cache:
             user_group = user_group.options(FromCache("sql_cache_short",
                                     "get_users_group_%s" % users_group_id))
         return user_group.get(users_group_id)
 
 
 class UserGroupMember(Base, BaseModel):
     __tablename__ = 'users_groups_members'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     users_group_member_id = Column("users_group_member_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User', lazy='joined')
     users_group = relationship('UserGroup')
 
     def __init__(self, gr_id='', u_id=''):
         self.users_group_id = gr_id
         self.user_id = u_id
 
 
 class Repository(Base, BaseModel):
     __tablename__ = 'repositories'
     __table_args__ = (
         UniqueConstraint('repo_name'),
         Index('r_repo_name_idx', 'repo_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     repo_id = Column("repo_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repo_name = Column("repo_name", String(255), nullable=False, unique=True, default=None)
     clone_uri = Column("clone_uri", String(255), nullable=True, unique=False, default=None)
     repo_type = Column("repo_type", String(255), nullable=False, unique=False, default=None)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)
     private = Column("private", Boolean(), nullable=True, unique=None, default=None)
     enable_statistics = Column("statistics", Boolean(), nullable=True, unique=None, default=True)
     enable_downloads = Column("downloads", Boolean(), nullable=True, unique=None, default=True)
     description = Column("description", String(10000), nullable=True, unique=None, default=None)
     created_on = Column('created_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
     updated_on = Column('updated_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
     landing_rev = Column("landing_revision", String(255), nullable=False, unique=False, default=None)
     enable_locking = Column("enable_locking", Boolean(), nullable=False, unique=None, default=False)
     _locked = Column("locked", String(255), nullable=True, unique=False, default=None)
     _changeset_cache = Column("changeset_cache", LargeBinary(), nullable=True) #JSON data
 
     fork_id = Column("fork_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=False, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=False, default=None)
 
     user = relationship('User')
     fork = relationship('Repository', remote_side=repo_id)
     group = relationship('RepoGroup')
     repo_to_perm = relationship('UserRepoToPerm', cascade='all', order_by='UserRepoToPerm.repo_to_perm_id')
     users_group_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
     stats = relationship('Statistics', cascade='all', uselist=False)
 
     followers = relationship('UserFollowing',
                              primaryjoin='UserFollowing.follows_repo_id==Repository.repo_id',
                              cascade='all')
 
     logs = relationship('UserLog')
     comments = relationship('ChangesetComment', cascade="all, delete, delete-orphan")
 
     pull_requests_org = relationship('PullRequest',
                     primaryjoin='PullRequest.org_repo_id==Repository.repo_id',
                     cascade="all, delete, delete-orphan")
 
     pull_requests_other = relationship('PullRequest',
                     primaryjoin='PullRequest.other_repo_id==Repository.repo_id',
                     cascade="all, delete, delete-orphan")
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (self.__class__.__name__, self.repo_id,
                                    safe_unicode(self.repo_name))
 
 
     @classmethod
     def get_by_repo_name(cls, repo_name):
         q = Session().query(cls).filter(cls.repo_name == repo_name)
         q = q.options(joinedload(Repository.fork))\
             .options(joinedload(Repository.user))\
             .options(joinedload(Repository.group))
         return q.scalar()
 
 
 class RepoGroup(Base, BaseModel):
     __tablename__ = 'groups'
     __table_args__ = (
         UniqueConstraint('group_name', 'group_parent_id'),
-        CheckConstraint('group_id != group_parent_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     __mapper_args__ = {'order_by': 'group_name'}
 
     group_id = Column("group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     group_name = Column("group_name", String(255), nullable=False, unique=True, default=None)
     group_parent_id = Column("group_parent_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=None, default=None)
     group_description = Column("group_description", String(10000), nullable=True, unique=None, default=None)
     enable_locking = Column("enable_locking", Boolean(), nullable=False, unique=None, default=False)
 
     repo_group_to_perm = relationship('UserRepoGroupToPerm', cascade='all', order_by='UserRepoGroupToPerm.group_to_perm_id')
     users_group_to_perm = relationship('UserGroupRepoGroupToPerm', cascade='all')
     parent_group = relationship('RepoGroup', remote_side=group_id)
 
     def __init__(self, group_name='', parent_group=None):
         self.group_name = group_name
         self.parent_group = parent_group
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (self.__class__.__name__, self.group_id,
                                   self.group_name)
 
     @classmethod
     def url_sep(cls):
         return URL_SEP
 
     @classmethod
     def get_by_group_name(cls, group_name, cache=False, case_insensitive=False):
         if case_insensitive:
             gr = cls.query()\
                 .filter(cls.group_name.ilike(group_name))
         else:
             gr = cls.query()\
                 .filter(cls.group_name == group_name)
         if cache:
             gr = gr.options(FromCache(
                             "sql_cache_short",
                             "get_group_%s" % _hash_key(group_name)
                             )
             )
         return gr.scalar()
 
 
 class Permission(Base, BaseModel):
     __tablename__ = 'permissions'
     __table_args__ = (
         Index('p_perm_name_idx', 'permission_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     PERMS = [
         ('repository.none', _('Repository no access')),
         ('repository.read', _('Repository read access')),
         ('repository.write', _('Repository write access')),
         ('repository.admin', _('Repository admin access')),
 
         ('group.none', _('Repositories Group no access')),
         ('group.read', _('Repositories Group read access')),
         ('group.write', _('Repositories Group write access')),
         ('group.admin', _('Repositories Group admin access')),
 
         ('hg.admin', _('RhodeCode Administrator')),
         ('hg.create.none', _('Repository creation disabled')),
         ('hg.create.repository', _('Repository creation enabled')),
         ('hg.fork.none', _('Repository forking disabled')),
         ('hg.fork.repository', _('Repository forking enabled')),
         ('hg.register.none', _('Register disabled')),
         ('hg.register.manual_activate', _('Register new user with RhodeCode '
                                           'with manual activation')),
 
         ('hg.register.auto_activate', _('Register new user with RhodeCode '
                                         'with auto activation')),
     ]
 
     # defines which permissions are more important higher the more important
     PERM_WEIGHTS = {
         'repository.none': 0,
         'repository.read': 1,
         'repository.write': 3,
         'repository.admin': 4,
 
         'group.none': 0,
         'group.read': 1,
         'group.write': 3,
         'group.admin': 4,
 
         'hg.fork.none': 0,
         'hg.fork.repository': 1,
         'hg.create.none': 0,
         'hg.create.repository':1
     }
 
     permission_id = Column("permission_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     permission_name = Column("permission_name", String(255), nullable=True, unique=None, default=None)
     permission_longname = Column("permission_longname", String(255), nullable=True, unique=None, default=None)
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (
             self.__class__.__name__, self.permission_id, self.permission_name
         )
 
     @classmethod
     def get_by_key(cls, key):
         return cls.query().filter(cls.permission_name == key).scalar()
 
 
 class UserRepoToPerm(Base, BaseModel):
     __tablename__ = 'repo_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'repository_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     repo_to_perm_id = Column("repo_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     repository = relationship('Repository')
     permission = relationship('Permission')
 
     def __unicode__(self):
         return u'<user:%s => %s >' % (self.user, self.repository)
 
 
 class UserToPerm(Base, BaseModel):
     __tablename__ = 'user_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     user_to_perm_id = Column("user_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     permission = relationship('Permission', lazy='joined')
 
 
 class UserGroupRepoToPerm(Base, BaseModel):
     __tablename__ = 'users_group_repo_to_perm'
     __table_args__ = (
         UniqueConstraint('repository_id', 'users_group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
     repository = relationship('Repository')
 
     def __unicode__(self):
         return u'<userGroup:%s => %s >' % (self.users_group, self.repository)
 
 
 class UserGroupToPerm(Base, BaseModel):
     __tablename__ = 'users_group_to_perm'
     __table_args__ = (
         UniqueConstraint('users_group_id', 'permission_id',),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
 
 
 class UserRepoGroupToPerm(Base, BaseModel):
     __tablename__ = 'user_repo_group_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     group_to_perm_id = Column("group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     group = relationship('RepoGroup')
     permission = relationship('Permission')
 
 
 class UserGroupRepoGroupToPerm(Base, BaseModel):
     __tablename__ = 'users_group_repo_group_to_perm'
     __table_args__ = (
         UniqueConstraint('users_group_id', 'group_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     users_group_repo_group_to_perm_id = Column("users_group_repo_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
     group = relationship('RepoGroup')
 
 
 class Statistics(Base, BaseModel):
     __tablename__ = 'statistics'
     __table_args__ = (
          UniqueConstraint('repository_id'),
          {'extend_existing': True, 'mysql_engine': 'InnoDB',
           'mysql_charset': 'utf8'}
     )
     stat_id = Column("stat_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=True, default=None)
     stat_on_revision = Column("stat_on_revision", Integer(), nullable=False)
     commit_activity = Column("commit_activity", LargeBinary(1000000), nullable=False)#JSON data
     commit_activity_combined = Column("commit_activity_combined", LargeBinary(), nullable=False)#JSON data
     languages = Column("languages", LargeBinary(1000000), nullable=False)#JSON data
 
     repository = relationship('Repository', single_parent=True)
 
 
 class UserFollowing(Base, BaseModel):
     __tablename__ = 'user_followings'
     __table_args__ = (
         UniqueConstraint('user_id', 'follows_repository_id'),
         UniqueConstraint('user_id', 'follows_user_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     user_following_id = Column("user_following_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     follows_repo_id = Column("follows_repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=None, default=None)
     follows_user_id = Column("follows_user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     follows_from = Column('follows_from', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
 
     user = relationship('User', primaryjoin='User.user_id==UserFollowing.user_id')
 
     follows_user = relationship('User', primaryjoin='User.user_id==UserFollowing.follows_user_id')
     follows_repository = relationship('Repository', order_by='Repository.repo_name')
 
 
 class CacheInvalidation(Base, BaseModel):
     __tablename__ = 'cache_invalidation'
     __table_args__ = (
         UniqueConstraint('cache_key'),
         Index('key_idx', 'cache_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     cache_id = Column("cache_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     cache_key = Column("cache_key", String(255), nullable=True, unique=None, default=None)
     cache_args = Column("cache_args", String(255), nullable=True, unique=None, default=None)
     cache_active = Column("cache_active", Boolean(), nullable=True, unique=None, default=False)
 
     def __init__(self, cache_key, cache_args=''):
         self.cache_key = cache_key
         self.cache_args = cache_args
         self.cache_active = False
 
 
 class ChangesetComment(Base, BaseModel):
     __tablename__ = 'changeset_comments'
     __table_args__ = (
         Index('cc_revision_idx', 'revision'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     comment_id = Column('comment_id', Integer(), nullable=False, primary_key=True)
     repo_id = Column('repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     revision = Column('revision', String(40), nullable=True)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=True)
     line_no = Column('line_no', Unicode(10), nullable=True)
     hl_lines = Column('hl_lines', Unicode(512), nullable=True)
     f_path = Column('f_path', Unicode(1000), nullable=True)
     user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=False)
     text = Column('text', UnicodeText().with_variant(UnicodeText(25000), 'mysql'), nullable=False)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     modified_at = Column('modified_at', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     author = relationship('User', lazy='joined')
     repo = relationship('Repository')
     status_change = relationship('ChangesetStatus', cascade="all, delete, delete-orphan")
     pull_request = relationship('PullRequest', lazy='joined')
 
     @classmethod
     def get_users(cls, revision=None, pull_request_id=None):
         """
         Returns user associated with this ChangesetComment. ie those
         who actually commented
 
         :param cls:
         :param revision:
         """
         q = Session().query(User)\
                 .join(ChangesetComment.author)
         if revision:
             q = q.filter(cls.revision == revision)
         elif pull_request_id:
             q = q.filter(cls.pull_request_id == pull_request_id)
         return q.all()
 
 
 class ChangesetStatus(Base, BaseModel):
     __tablename__ = 'changeset_statuses'
     __table_args__ = (
         Index('cs_revision_idx', 'revision'),
         Index('cs_version_idx', 'version'),
         UniqueConstraint('repo_id', 'revision', 'version'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     STATUS_NOT_REVIEWED = DEFAULT = 'not_reviewed'
     STATUS_APPROVED = 'approved'
     STATUS_REJECTED = 'rejected'
     STATUS_UNDER_REVIEW = 'under_review'
 
     STATUSES = [
         (STATUS_NOT_REVIEWED, _("Not Reviewed")),  # (no icon) and default
         (STATUS_APPROVED, _("Approved")),
         (STATUS_REJECTED, _("Rejected")),
         (STATUS_UNDER_REVIEW, _("Under Review")),
     ]
 
     changeset_status_id = Column('changeset_status_id', Integer(), nullable=False, primary_key=True)
     repo_id = Column('repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None)
     revision = Column('revision', String(40), nullable=False)
     status = Column('status', String(128), nullable=False, default=DEFAULT)
     changeset_comment_id = Column('changeset_comment_id', Integer(), ForeignKey('changeset_comments.comment_id'))
     modified_at = Column('modified_at', DateTime(), nullable=False, default=datetime.datetime.now)
     version = Column('version', Integer(), nullable=False, default=0)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=True)
 
     author = relationship('User', lazy='joined')
     repo = relationship('Repository')
     comment = relationship('ChangesetComment', lazy='joined')
     pull_request = relationship('PullRequest', lazy='joined')
 
 
 
 class PullRequest(Base, BaseModel):
     __tablename__ = 'pull_requests'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     STATUS_NEW = u'new'
     STATUS_OPEN = u'open'
     STATUS_CLOSED = u'closed'
 
     pull_request_id = Column('pull_request_id', Integer(), nullable=False, primary_key=True)
     title = Column('title', Unicode(256), nullable=True)
     description = Column('description', UnicodeText().with_variant(UnicodeText(10240), 'mysql'), nullable=True)
     status = Column('status', Unicode(256), nullable=False, default=STATUS_NEW)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     updated_on = Column('updated_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None)
     _revisions = Column('revisions', UnicodeText().with_variant(UnicodeText(20500), 'mysql'))
     org_repo_id = Column('org_repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     org_ref = Column('org_ref', Unicode(256), nullable=False)
     other_repo_id = Column('other_repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     other_ref = Column('other_ref', Unicode(256), nullable=False)
 
     author = relationship('User', lazy='joined')
     reviewers = relationship('PullRequestReviewers',
                              cascade="all, delete, delete-orphan")
     org_repo = relationship('Repository', primaryjoin='PullRequest.org_repo_id==Repository.repo_id')
     other_repo = relationship('Repository', primaryjoin='PullRequest.other_repo_id==Repository.repo_id')
     statuses = relationship('ChangesetStatus')
     comments = relationship('ChangesetComment',
                              cascade="all, delete, delete-orphan")
 
 
 class PullRequestReviewers(Base, BaseModel):
     __tablename__ = 'pull_request_reviewers'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     def __init__(self, user=None, pull_request=None):
         self.user = user
         self.pull_request = pull_request
 
     pull_requests_reviewers_id = Column('pull_requests_reviewers_id', Integer(), nullable=False, primary_key=True)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=False)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True)
 
     user = relationship('User')
     pull_request = relationship('PullRequest')
 
 
 class Notification(Base, BaseModel):
     __tablename__ = 'notifications'
     __table_args__ = (
         Index('notification_type_idx', 'type'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     TYPE_CHANGESET_COMMENT = u'cs_comment'
     TYPE_MESSAGE = u'message'
     TYPE_MENTION = u'mention'
     TYPE_REGISTRATION = u'registration'
     TYPE_PULL_REQUEST = u'pull_request'
     TYPE_PULL_REQUEST_COMMENT = u'pull_request_comment'
 
     notification_id = Column('notification_id', Integer(), nullable=False, primary_key=True)
     subject = Column('subject', Unicode(512), nullable=True)
     body = Column('body', UnicodeText().with_variant(UnicodeText(50000), 'mysql'), nullable=True)
     created_by = Column("created_by", Integer(), ForeignKey('users.user_id'), nullable=True)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     type_ = Column('type', Unicode(256))
 
     created_by_user = relationship('User')
     notifications_to_users = relationship('UserNotification', lazy='joined',
                                           cascade="all, delete, delete-orphan")
 
 
 class UserNotification(Base, BaseModel):
     __tablename__ = 'user_to_notification'
     __table_args__ = (
         UniqueConstraint('user_id', 'notification_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), primary_key=True)
     notification_id = Column("notification_id", Integer(), ForeignKey('notifications.notification_id'), primary_key=True)
     read = Column('read', Boolean, default=False)
     sent_on = Column('sent_on', DateTime(timezone=False), nullable=True, unique=None)
 
     user = relationship('User', lazy="joined")
     notification = relationship('Notification', lazy="joined",
                                 order_by=lambda: Notification.created_on.desc(),)
 
 
 class DbMigrateVersion(Base, BaseModel):
     __tablename__ = 'db_migrate_version'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     repository_id = Column('repository_id', String(250), primary_key=True)
     repository_path = Column('repository_path', Text)
     version = Column('version', Integer)

rhodecode/lib/dbmigrate/schema/db_1_6_0.py

@@ -1,1085 +1,1084 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2010-2019 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 import os
 import time
 import logging
 import datetime
 import traceback
 import hashlib
 import collections
 
 from sqlalchemy import *
 from sqlalchemy.ext.hybrid import hybrid_property
 from sqlalchemy.orm import relationship, joinedload, class_mapper, validates
 from sqlalchemy.exc import DatabaseError
 from beaker.cache import cache_region, region_invalidate
 from webob.exc import HTTPNotFound
 
 from rhodecode.translation import _
 
 from rhodecode.lib.vcs import get_backend
 from rhodecode.lib.vcs.utils.helpers import get_scm
 from rhodecode.lib.vcs.exceptions import VCSError
 from zope.cachedescriptors.property import Lazy as LazyProperty
 from rhodecode.lib.vcs.backends.base import EmptyCommit
 
 from rhodecode.lib.utils2 import str2bool, safe_str, get_commit_safe, \
     safe_unicode, remove_suffix, remove_prefix, time_to_datetime
 from rhodecode.lib.ext_json import json
 from rhodecode.lib.caching_query import FromCache
 
 from rhodecode.model.meta import Base, Session
 
 URL_SEP = '/'
 log = logging.getLogger(__name__)
 
 #==============================================================================
 # BASE CLASSES
 #==============================================================================
 
 _hash_key = lambda k: hashlib.md5(safe_str(k)).hexdigest()
 
 
 class BaseModel(object):
     """
     Base Model for all classes
     """
 
     @classmethod
     def _get_keys(cls):
         """return column names for this model """
         return class_mapper(cls).c.keys()
 
     def get_dict(self):
         """
         return dict with keys and values corresponding
         to this model data """
 
         d = {}
         for k in self._get_keys():
             d[k] = getattr(self, k)
 
         # also use __json__() if present to get additional fields
         _json_attr = getattr(self, '__json__', None)
         if _json_attr:
             # update with attributes from __json__
             if callable(_json_attr):
                 _json_attr = _json_attr()
             for k, val in _json_attr.iteritems():
                 d[k] = val
         return d
 
     def get_appstruct(self):
         """return list with keys and values tupples corresponding
         to this model data """
 
         l = []
         for k in self._get_keys():
             l.append((k, getattr(self, k),))
         return l
 
     def populate_obj(self, populate_dict):
         """populate model with data from given populate_dict"""
 
         for k in self._get_keys():
             if k in populate_dict:
                 setattr(self, k, populate_dict[k])
 
     @classmethod
     def query(cls):
         return Session().query(cls)
 
     @classmethod
     def get(cls, id_):
         if id_:
             return cls.query().get(id_)
 
     @classmethod
     def get_or_404(cls, id_):
         try:
             id_ = int(id_)
         except (TypeError, ValueError):
             raise HTTPNotFound
 
         res = cls.query().get(id_)
         if not res:
             raise HTTPNotFound
         return res
 
     @classmethod
     def getAll(cls):
         # deprecated and left for backward compatibility
         return cls.get_all()
 
     @classmethod
     def get_all(cls):
         return cls.query().all()
 
     @classmethod
     def delete(cls, id_):
         obj = cls.query().get(id_)
         Session().delete(obj)
 
     def __repr__(self):
         if hasattr(self, '__unicode__'):
             # python repr needs to return str
             return safe_str(self.__unicode__())
         return '<DB:%s>' % (self.__class__.__name__)
 
 
 class RhodeCodeSetting(Base, BaseModel):
     __tablename__ = 'rhodecode_settings'
     __table_args__ = (
         UniqueConstraint('app_settings_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     app_settings_id = Column("app_settings_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     app_settings_name = Column("app_settings_name", String(255), nullable=True, unique=None, default=None)
     _app_settings_value = Column("app_settings_value", String(255), nullable=True, unique=None, default=None)
 
     def __init__(self, k='', v=''):
         self.app_settings_name = k
         self.app_settings_value = v
 
     @validates('_app_settings_value')
     def validate_settings_value(self, key, val):
         assert type(val) == unicode
         return val
 
     @hybrid_property
     def app_settings_value(self):
         v = self._app_settings_value
         if self.app_settings_name in ["ldap_active",
                                       "default_repo_enable_statistics",
                                       "default_repo_enable_locking",
                                       "default_repo_private",
                                       "default_repo_enable_downloads"]:
             v = str2bool(v)
         return v
 
     @app_settings_value.setter
     def app_settings_value(self, val):
         """
         Setter that will always make sure we use unicode in app_settings_value
 
         :param val:
         """
         self._app_settings_value = safe_unicode(val)
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (
             self.__class__.__name__,
             self.app_settings_name, self.app_settings_value
         )
 
 
 class RhodeCodeUi(Base, BaseModel):
     __tablename__ = 'rhodecode_ui'
     __table_args__ = (
         UniqueConstraint('ui_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     HOOK_REPO_SIZE = 'changegroup.repo_size'
     HOOK_PUSH = 'changegroup.push_logger'
     HOOK_PRE_PUSH = 'prechangegroup.pre_push'
     HOOK_PULL = 'outgoing.pull_logger'
     HOOK_PRE_PULL = 'preoutgoing.pre_pull'
 
     ui_id = Column("ui_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     ui_section = Column("ui_section", String(255), nullable=True, unique=None, default=None)
     ui_key = Column("ui_key", String(255), nullable=True, unique=None, default=None)
     ui_value = Column("ui_value", String(255), nullable=True, unique=None, default=None)
     ui_active = Column("ui_active", Boolean(), nullable=True, unique=None, default=True)
 
 
 
 class User(Base, BaseModel):
     __tablename__ = 'users'
     __table_args__ = (
         UniqueConstraint('username'), UniqueConstraint('email'),
         Index('u_username_idx', 'username'),
         Index('u_email_idx', 'email'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     DEFAULT_USER = 'default'
     DEFAULT_PERMISSIONS = [
         'hg.register.manual_activate', 'hg.create.repository',
         'hg.fork.repository', 'repository.read', 'group.read'
     ]
     user_id = Column("user_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     username = Column("username", String(255), nullable=True, unique=None, default=None)
     password = Column("password", String(255), nullable=True, unique=None, default=None)
     active = Column("active", Boolean(), nullable=True, unique=None, default=True)
     admin = Column("admin", Boolean(), nullable=True, unique=None, default=False)
     name = Column("firstname", String(255), nullable=True, unique=None, default=None)
     lastname = Column("lastname", String(255), nullable=True, unique=None, default=None)
     _email = Column("email", String(255), nullable=True, unique=None, default=None)
     last_login = Column("last_login", DateTime(timezone=False), nullable=True, unique=None, default=None)
     ldap_dn = Column("ldap_dn", String(255), nullable=True, unique=None, default=None)
     api_key = Column("api_key", String(255), nullable=True, unique=None, default=None)
     inherit_default_permissions = Column("inherit_default_permissions", Boolean(), nullable=False, unique=None, default=True)
 
     user_log = relationship('UserLog')
     user_perms = relationship('UserToPerm', primaryjoin="User.user_id==UserToPerm.user_id", cascade='all')
 
     repositories = relationship('Repository')
     user_followers = relationship('UserFollowing', primaryjoin='UserFollowing.follows_user_id==User.user_id', cascade='all')
     followings = relationship('UserFollowing', primaryjoin='UserFollowing.user_id==User.user_id', cascade='all')
 
     repo_to_perm = relationship('UserRepoToPerm', primaryjoin='UserRepoToPerm.user_id==User.user_id', cascade='all')
     repo_group_to_perm = relationship('UserRepoGroupToPerm', primaryjoin='UserRepoGroupToPerm.user_id==User.user_id', cascade='all')
 
     group_member = relationship('UserGroupMember', cascade='all')
 
     notifications = relationship('UserNotification', cascade='all')
     # notifications assigned to this user
     user_created_notifications = relationship('Notification', cascade='all')
     # comments created by this user
     user_comments = relationship('ChangesetComment', cascade='all')
     user_emails = relationship('UserEmailMap', cascade='all')
 
     @hybrid_property
     def email(self):
         return self._email
 
     @email.setter
     def email(self, val):
         self._email = val.lower() if val else None
 
     @property
     def firstname(self):
         # alias for future
         return self.name
 
     @property
     def username_and_name(self):
         return '%s (%s %s)' % (self.username, self.firstname, self.lastname)
 
     @property
     def full_name(self):
         return '%s %s' % (self.firstname, self.lastname)
 
     @property
     def full_contact(self):
         return '%s %s <%s>' % (self.firstname, self.lastname, self.email)
 
     @property
     def short_contact(self):
         return '%s %s' % (self.firstname, self.lastname)
 
     @property
     def is_admin(self):
         return self.admin
 
     @classmethod
     def get_by_username(cls, username, case_insensitive=False, cache=False):
         if case_insensitive:
             q = cls.query().filter(cls.username.ilike(username))
         else:
             q = cls.query().filter(cls.username == username)
 
         if cache:
             q = q.options(FromCache(
                             "sql_cache_short",
                             "get_user_%s" % _hash_key(username)
                           )
             )
         return q.scalar()
 
     @classmethod
     def get_by_auth_token(cls, auth_token, cache=False):
         q = cls.query().filter(cls.api_key == auth_token)
 
         if cache:
             q = q.options(FromCache("sql_cache_short",
                                     "get_auth_token_%s" % auth_token))
         return q.scalar()
 
     @classmethod
     def get_by_email(cls, email, case_insensitive=False, cache=False):
         if case_insensitive:
             q = cls.query().filter(cls.email.ilike(email))
         else:
             q = cls.query().filter(cls.email == email)
 
         if cache:
             q = q.options(FromCache("sql_cache_short",
                                     "get_email_key_%s" % email))
 
         ret = q.scalar()
         if ret is None:
             q = UserEmailMap.query()
             # try fetching in alternate email map
             if case_insensitive:
                 q = q.filter(UserEmailMap.email.ilike(email))
             else:
                 q = q.filter(UserEmailMap.email == email)
             q = q.options(joinedload(UserEmailMap.user))
             if cache:
                 q = q.options(FromCache("sql_cache_short",
                                         "get_email_map_key_%s" % email))
             ret = getattr(q.scalar(), 'user', None)
 
         return ret
 
 
 class UserEmailMap(Base, BaseModel):
     __tablename__ = 'user_email_map'
     __table_args__ = (
         Index('uem_email_idx', 'email'),
         UniqueConstraint('email'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     __mapper_args__ = {}
 
     email_id = Column("email_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     _email = Column("email", String(255), nullable=True, unique=False, default=None)
     user = relationship('User', lazy='joined')
 
     @validates('_email')
     def validate_email(self, key, email):
         # check if this email is not main one
         main_email = Session().query(User).filter(User.email == email).scalar()
         if main_email is not None:
             raise AttributeError('email %s is present is user table' % email)
         return email
 
     @hybrid_property
     def email(self):
         return self._email
 
     @email.setter
     def email(self, val):
         self._email = val.lower() if val else None
 
 
 class UserIpMap(Base, BaseModel):
     __tablename__ = 'user_ip_map'
     __table_args__ = (
         UniqueConstraint('user_id', 'ip_addr'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     __mapper_args__ = {}
 
     ip_id = Column("ip_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     ip_addr = Column("ip_addr", String(255), nullable=True, unique=False, default=None)
     active = Column("active", Boolean(), nullable=True, unique=None, default=True)
     user = relationship('User', lazy='joined')
 
 
 class UserLog(Base, BaseModel):
     __tablename__ = 'user_logs'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     user_log_id = Column("user_log_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     username = Column("username", String(255), nullable=True, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True)
     repository_name = Column("repository_name", String(255), nullable=True, unique=None, default=None)
     user_ip = Column("user_ip", String(255), nullable=True, unique=None, default=None)
     action = Column("action", String(1200000), nullable=True, unique=None, default=None)
     action_date = Column("action_date", DateTime(timezone=False), nullable=True, unique=None, default=None)
 
 
     user = relationship('User')
     repository = relationship('Repository', cascade='')
 
 
 class UserGroup(Base, BaseModel):
     __tablename__ = 'users_groups'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     users_group_id = Column("users_group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_name = Column("users_group_name", String(255), nullable=False, unique=True, default=None)
     users_group_active = Column("users_group_active", Boolean(), nullable=True, unique=None, default=None)
     inherit_default_permissions = Column("users_group_inherit_default_permissions", Boolean(), nullable=False, unique=None, default=True)
 
     members = relationship('UserGroupMember', cascade="all, delete, delete-orphan", lazy="joined")
     users_group_to_perm = relationship('UserGroupToPerm', cascade='all')
     users_group_repo_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
 
     def __unicode__(self):
         return u'<userGroup(%s)>' % (self.users_group_name)
 
     @classmethod
     def get_by_group_name(cls, group_name, cache=False,
                           case_insensitive=False):
         if case_insensitive:
             q = cls.query().filter(cls.users_group_name.ilike(group_name))
         else:
             q = cls.query().filter(cls.users_group_name == group_name)
         if cache:
             q = q.options(FromCache(
                             "sql_cache_short",
                             "get_user_%s" % _hash_key(group_name)
                           )
             )
         return q.scalar()
 
     @classmethod
     def get(cls, users_group_id, cache=False):
         user_group = cls.query()
         if cache:
             user_group = user_group.options(FromCache("sql_cache_short",
                                     "get_users_group_%s" % users_group_id))
         return user_group.get(users_group_id)
 
 
 class UserGroupMember(Base, BaseModel):
     __tablename__ = 'users_groups_members'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     users_group_member_id = Column("users_group_member_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User', lazy='joined')
     users_group = relationship('UserGroup')
 
     def __init__(self, gr_id='', u_id=''):
         self.users_group_id = gr_id
         self.user_id = u_id
 
 
 class RepositoryField(Base, BaseModel):
     __tablename__ = 'repositories_fields'
     __table_args__ = (
         UniqueConstraint('repository_id', 'field_key'),  # no-multi field
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     PREFIX = 'ex_'  # prefix used in form to not conflict with already existing fields
 
     repo_field_id = Column("repo_field_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
     field_key = Column("field_key", String(250))
     field_label = Column("field_label", String(1024), nullable=False)
     field_value = Column("field_value", String(10000), nullable=False)
     field_desc = Column("field_desc", String(1024), nullable=False)
     field_type = Column("field_type", String(256), nullable=False, unique=None)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     repository = relationship('Repository')
 
     @classmethod
     def get_by_key_name(cls, key, repo):
         row = cls.query()\
                 .filter(cls.repository == repo)\
                 .filter(cls.field_key == key).scalar()
         return row
 
 
 class Repository(Base, BaseModel):
     __tablename__ = 'repositories'
     __table_args__ = (
         UniqueConstraint('repo_name'),
         Index('r_repo_name_idx', 'repo_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     repo_id = Column("repo_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repo_name = Column("repo_name", String(255), nullable=False, unique=True, default=None)
     clone_uri = Column("clone_uri", String(255), nullable=True, unique=False, default=None)
     repo_type = Column("repo_type", String(255), nullable=False, unique=False, default=None)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)
     private = Column("private", Boolean(), nullable=True, unique=None, default=None)
     enable_statistics = Column("statistics", Boolean(), nullable=True, unique=None, default=True)
     enable_downloads = Column("downloads", Boolean(), nullable=True, unique=None, default=True)
     description = Column("description", String(10000), nullable=True, unique=None, default=None)
     created_on = Column('created_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
     updated_on = Column('updated_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
     landing_rev = Column("landing_revision", String(255), nullable=False, unique=False, default=None)
     enable_locking = Column("enable_locking", Boolean(), nullable=False, unique=None, default=False)
     _locked = Column("locked", String(255), nullable=True, unique=False, default=None)
     _changeset_cache = Column("changeset_cache", LargeBinary(), nullable=True) #JSON data
 
     fork_id = Column("fork_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=False, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=False, default=None)
 
     user = relationship('User')
     fork = relationship('Repository', remote_side=repo_id)
     group = relationship('RepoGroup')
     repo_to_perm = relationship('UserRepoToPerm', cascade='all', order_by='UserRepoToPerm.repo_to_perm_id')
     users_group_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
     stats = relationship('Statistics', cascade='all', uselist=False)
 
     followers = relationship('UserFollowing',
                              primaryjoin='UserFollowing.follows_repo_id==Repository.repo_id',
                              cascade='all')
     extra_fields = relationship('RepositoryField',
                                 cascade="all, delete, delete-orphan")
 
     logs = relationship('UserLog')
     comments = relationship('ChangesetComment', cascade="all, delete, delete-orphan")
 
     pull_requests_org = relationship('PullRequest',
                     primaryjoin='PullRequest.org_repo_id==Repository.repo_id',
                     cascade="all, delete, delete-orphan")
 
     pull_requests_other = relationship('PullRequest',
                     primaryjoin='PullRequest.other_repo_id==Repository.repo_id',
                     cascade="all, delete, delete-orphan")
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (self.__class__.__name__, self.repo_id,
                                    safe_unicode(self.repo_name))
 
     #NOTE for this migration we are required tio have it
     @hybrid_property
     def changeset_cache(self):
         from rhodecode.lib.vcs.backends.base import EmptyCommit
         dummy = EmptyCommit().__json__()
         if not self._changeset_cache:
             return dummy
         try:
             return json.loads(self._changeset_cache)
         except TypeError:
             return dummy
 
     @changeset_cache.setter
     def changeset_cache(self, val):
         try:
             self._changeset_cache = json.dumps(val)
         except Exception:
             log.error(traceback.format_exc())
 
     @classmethod
     def get_by_repo_name(cls, repo_name):
         q = Session().query(cls).filter(cls.repo_name == repo_name)
         q = q.options(joinedload(Repository.fork))\
             .options(joinedload(Repository.user))\
             .options(joinedload(Repository.group))
         return q.scalar()
 
     #NOTE this is required for this migration to work
     def update_commit_cache(self, cs_cache=None):
         """
         Update cache of last changeset for repository, keys should be::
 
             short_id
             raw_id
             revision
             message
             date
             author
 
         :param cs_cache:
         """
         from rhodecode.lib.vcs.backends.base import BaseChangeset
         if cs_cache is None:
             cs_cache = EmptyCommit()
             # Note: Using always the empty commit here in case we are
             # upgrading towards version 3.0 and above. Reason is that in this
             # case the vcsclient connection is not available and things
             # would explode here.
 
         if isinstance(cs_cache, BaseChangeset):
             cs_cache = cs_cache.__json__()
 
         if (cs_cache != self.changeset_cache or not self.changeset_cache):
             _default = datetime.datetime.fromtimestamp(0)
             last_change = cs_cache.get('date') or _default
             log.debug('updated repo %s with new cs cache %s', self.repo_name, cs_cache)
             self.updated_on = last_change
             self.changeset_cache = cs_cache
             Session().add(self)
             Session().commit()
         else:
             log.debug('Skipping repo:%s already with latest changes', self.repo_name)
 
 class RepoGroup(Base, BaseModel):
     __tablename__ = 'groups'
     __table_args__ = (
         UniqueConstraint('group_name', 'group_parent_id'),
-        CheckConstraint('group_id != group_parent_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     __mapper_args__ = {'order_by': 'group_name'}
 
     group_id = Column("group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     group_name = Column("group_name", String(255), nullable=False, unique=True, default=None)
     group_parent_id = Column("group_parent_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=None, default=None)
     group_description = Column("group_description", String(10000), nullable=True, unique=None, default=None)
     enable_locking = Column("enable_locking", Boolean(), nullable=False, unique=None, default=False)
 
     repo_group_to_perm = relationship('UserRepoGroupToPerm', cascade='all', order_by='UserRepoGroupToPerm.group_to_perm_id')
     users_group_to_perm = relationship('UserGroupRepoGroupToPerm', cascade='all')
     parent_group = relationship('RepoGroup', remote_side=group_id)
 
     def __init__(self, group_name='', parent_group=None):
         self.group_name = group_name
         self.parent_group = parent_group
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (self.__class__.__name__, self.group_id,
                                   self.group_name)
 
     @classmethod
     def url_sep(cls):
         return URL_SEP
 
     @classmethod
     def get_by_group_name(cls, group_name, cache=False, case_insensitive=False):
         if case_insensitive:
             gr = cls.query()\
                 .filter(cls.group_name.ilike(group_name))
         else:
             gr = cls.query()\
                 .filter(cls.group_name == group_name)
         if cache:
             gr = gr.options(FromCache(
                             "sql_cache_short",
                             "get_group_%s" % _hash_key(group_name)
                             )
             )
         return gr.scalar()
 
 
 class Permission(Base, BaseModel):
     __tablename__ = 'permissions'
     __table_args__ = (
         Index('p_perm_name_idx', 'permission_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     PERMS = [
         ('repository.none', _('Repository no access')),
         ('repository.read', _('Repository read access')),
         ('repository.write', _('Repository write access')),
         ('repository.admin', _('Repository admin access')),
 
         ('group.none', _('Repository group no access')),
         ('group.read', _('Repository group read access')),
         ('group.write', _('Repository group write access')),
         ('group.admin', _('Repository group admin access')),
 
         ('hg.admin', _('RhodeCode Administrator')),
         ('hg.create.none', _('Repository creation disabled')),
         ('hg.create.repository', _('Repository creation enabled')),
         ('hg.fork.none', _('Repository forking disabled')),
         ('hg.fork.repository', _('Repository forking enabled')),
         ('hg.register.none', _('Register disabled')),
         ('hg.register.manual_activate', _('Register new user with RhodeCode '
                                           'with manual activation')),
 
         ('hg.register.auto_activate', _('Register new user with RhodeCode '
                                         'with auto activation')),
     ]
 
     # defines which permissions are more important higher the more important
     PERM_WEIGHTS = {
         'repository.none': 0,
         'repository.read': 1,
         'repository.write': 3,
         'repository.admin': 4,
 
         'group.none': 0,
         'group.read': 1,
         'group.write': 3,
         'group.admin': 4,
 
         'hg.fork.none': 0,
         'hg.fork.repository': 1,
         'hg.create.none': 0,
         'hg.create.repository':1
     }
 
     permission_id = Column("permission_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     permission_name = Column("permission_name", String(255), nullable=True, unique=None, default=None)
     permission_longname = Column("permission_longname", String(255), nullable=True, unique=None, default=None)
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (
             self.__class__.__name__, self.permission_id, self.permission_name
         )
 
     @classmethod
     def get_by_key(cls, key):
         return cls.query().filter(cls.permission_name == key).scalar()
 
 
 class UserRepoToPerm(Base, BaseModel):
     __tablename__ = 'repo_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'repository_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     repo_to_perm_id = Column("repo_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     repository = relationship('Repository')
     permission = relationship('Permission')
 
     def __unicode__(self):
         return u'<user:%s => %s >' % (self.user, self.repository)
 
 
 class UserToPerm(Base, BaseModel):
     __tablename__ = 'user_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     user_to_perm_id = Column("user_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     permission = relationship('Permission', lazy='joined')
 
 
 class UserGroupRepoToPerm(Base, BaseModel):
     __tablename__ = 'users_group_repo_to_perm'
     __table_args__ = (
         UniqueConstraint('repository_id', 'users_group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
     repository = relationship('Repository')
 
     def __unicode__(self):
         return u'<userGroup:%s => %s >' % (self.users_group, self.repository)
 
 
 class UserGroupToPerm(Base, BaseModel):
     __tablename__ = 'users_group_to_perm'
     __table_args__ = (
         UniqueConstraint('users_group_id', 'permission_id',),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
 
 
 class UserRepoGroupToPerm(Base, BaseModel):
     __tablename__ = 'user_repo_group_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     group_to_perm_id = Column("group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     group = relationship('RepoGroup')
     permission = relationship('Permission')
 
 
 class UserGroupRepoGroupToPerm(Base, BaseModel):
     __tablename__ = 'users_group_repo_group_to_perm'
     __table_args__ = (
         UniqueConstraint('users_group_id', 'group_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     users_group_repo_group_to_perm_id = Column("users_group_repo_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
     group = relationship('RepoGroup')
 
 
 class Statistics(Base, BaseModel):
     __tablename__ = 'statistics'
     __table_args__ = (
          UniqueConstraint('repository_id'),
          {'extend_existing': True, 'mysql_engine': 'InnoDB',
           'mysql_charset': 'utf8'}
     )
     stat_id = Column("stat_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=True, default=None)
     stat_on_revision = Column("stat_on_revision", Integer(), nullable=False)
     commit_activity = Column("commit_activity", LargeBinary(1000000), nullable=False)#JSON data
     commit_activity_combined = Column("commit_activity_combined", LargeBinary(), nullable=False)#JSON data
     languages = Column("languages", LargeBinary(1000000), nullable=False)#JSON data
 
     repository = relationship('Repository', single_parent=True)
 
 
 class UserFollowing(Base, BaseModel):
     __tablename__ = 'user_followings'
     __table_args__ = (
         UniqueConstraint('user_id', 'follows_repository_id'),
         UniqueConstraint('user_id', 'follows_user_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     user_following_id = Column("user_following_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     follows_repo_id = Column("follows_repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=None, default=None)
     follows_user_id = Column("follows_user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     follows_from = Column('follows_from', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
 
     user = relationship('User', primaryjoin='User.user_id==UserFollowing.user_id')
 
     follows_user = relationship('User', primaryjoin='User.user_id==UserFollowing.follows_user_id')
     follows_repository = relationship('Repository', order_by='Repository.repo_name')
 
 
 class CacheInvalidation(Base, BaseModel):
     __tablename__ = 'cache_invalidation'
     __table_args__ = (
         UniqueConstraint('cache_key'),
         Index('key_idx', 'cache_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     cache_id = Column("cache_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     cache_key = Column("cache_key", String(255), nullable=True, unique=None, default=None)
     cache_args = Column("cache_args", String(255), nullable=True, unique=None, default=None)
     cache_active = Column("cache_active", Boolean(), nullable=True, unique=None, default=False)
 
     def __init__(self, cache_key, cache_args=''):
         self.cache_key = cache_key
         self.cache_args = cache_args
         self.cache_active = False
 
 
 class ChangesetComment(Base, BaseModel):
     __tablename__ = 'changeset_comments'
     __table_args__ = (
         Index('cc_revision_idx', 'revision'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     comment_id = Column('comment_id', Integer(), nullable=False, primary_key=True)
     repo_id = Column('repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     revision = Column('revision', String(40), nullable=True)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=True)
     line_no = Column('line_no', Unicode(10), nullable=True)
     hl_lines = Column('hl_lines', Unicode(512), nullable=True)
     f_path = Column('f_path', Unicode(1000), nullable=True)
     user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=False)
     text = Column('text', UnicodeText().with_variant(UnicodeText(25000), 'mysql'), nullable=False)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     modified_at = Column('modified_at', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     author = relationship('User', lazy='joined')
     repo = relationship('Repository')
     status_change = relationship('ChangesetStatus', cascade="all, delete, delete-orphan")
     pull_request = relationship('PullRequest', lazy='joined')
 
     @classmethod
     def get_users(cls, revision=None, pull_request_id=None):
         """
         Returns user associated with this ChangesetComment. ie those
         who actually commented
 
         :param cls:
         :param revision:
         """
         q = Session().query(User)\
                 .join(ChangesetComment.author)
         if revision:
             q = q.filter(cls.revision == revision)
         elif pull_request_id:
             q = q.filter(cls.pull_request_id == pull_request_id)
         return q.all()
 
 
 class ChangesetStatus(Base, BaseModel):
     __tablename__ = 'changeset_statuses'
     __table_args__ = (
         Index('cs_revision_idx', 'revision'),
         Index('cs_version_idx', 'version'),
         UniqueConstraint('repo_id', 'revision', 'version'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     STATUS_NOT_REVIEWED = DEFAULT = 'not_reviewed'
     STATUS_APPROVED = 'approved'
     STATUS_REJECTED = 'rejected'
     STATUS_UNDER_REVIEW = 'under_review'
 
     STATUSES = [
         (STATUS_NOT_REVIEWED, _("Not Reviewed")),  # (no icon) and default
         (STATUS_APPROVED, _("Approved")),
         (STATUS_REJECTED, _("Rejected")),
         (STATUS_UNDER_REVIEW, _("Under Review")),
     ]
 
     changeset_status_id = Column('changeset_status_id', Integer(), nullable=False, primary_key=True)
     repo_id = Column('repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None)
     revision = Column('revision', String(40), nullable=False)
     status = Column('status', String(128), nullable=False, default=DEFAULT)
     changeset_comment_id = Column('changeset_comment_id', Integer(), ForeignKey('changeset_comments.comment_id'))
     modified_at = Column('modified_at', DateTime(), nullable=False, default=datetime.datetime.now)
     version = Column('version', Integer(), nullable=False, default=0)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=True)
 
     author = relationship('User', lazy='joined')
     repo = relationship('Repository')
     comment = relationship('ChangesetComment', lazy='joined')
     pull_request = relationship('PullRequest', lazy='joined')
 
 
 
 class PullRequest(Base, BaseModel):
     __tablename__ = 'pull_requests'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     STATUS_NEW = u'new'
     STATUS_OPEN = u'open'
     STATUS_CLOSED = u'closed'
 
     pull_request_id = Column('pull_request_id', Integer(), nullable=False, primary_key=True)
     title = Column('title', Unicode(256), nullable=True)
     description = Column('description', UnicodeText().with_variant(UnicodeText(10240), 'mysql'), nullable=True)
     status = Column('status', Unicode(256), nullable=False, default=STATUS_NEW)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     updated_on = Column('updated_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None)
     _revisions = Column('revisions', UnicodeText().with_variant(UnicodeText(20500), 'mysql'))
     org_repo_id = Column('org_repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     org_ref = Column('org_ref', Unicode(256), nullable=False)
     other_repo_id = Column('other_repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     other_ref = Column('other_ref', Unicode(256), nullable=False)
 
     author = relationship('User', lazy='joined')
     reviewers = relationship('PullRequestReviewers',
                              cascade="all, delete, delete-orphan")
     org_repo = relationship('Repository', primaryjoin='PullRequest.org_repo_id==Repository.repo_id')
     other_repo = relationship('Repository', primaryjoin='PullRequest.other_repo_id==Repository.repo_id')
     statuses = relationship('ChangesetStatus')
     comments = relationship('ChangesetComment',
                              cascade="all, delete, delete-orphan")
 
 
 class PullRequestReviewers(Base, BaseModel):
     __tablename__ = 'pull_request_reviewers'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     def __init__(self, user=None, pull_request=None):
         self.user = user
         self.pull_request = pull_request
 
     pull_requests_reviewers_id = Column('pull_requests_reviewers_id', Integer(), nullable=False, primary_key=True)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=False)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True)
 
     user = relationship('User')
     pull_request = relationship('PullRequest')
 
 
 class Notification(Base, BaseModel):
     __tablename__ = 'notifications'
     __table_args__ = (
         Index('notification_type_idx', 'type'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     TYPE_CHANGESET_COMMENT = u'cs_comment'
     TYPE_MESSAGE = u'message'
     TYPE_MENTION = u'mention'
     TYPE_REGISTRATION = u'registration'
     TYPE_PULL_REQUEST = u'pull_request'
     TYPE_PULL_REQUEST_COMMENT = u'pull_request_comment'
 
     notification_id = Column('notification_id', Integer(), nullable=False, primary_key=True)
     subject = Column('subject', Unicode(512), nullable=True)
     body = Column('body', UnicodeText().with_variant(UnicodeText(50000), 'mysql'), nullable=True)
     created_by = Column("created_by", Integer(), ForeignKey('users.user_id'), nullable=True)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     type_ = Column('type', Unicode(256))
 
     created_by_user = relationship('User')
     notifications_to_users = relationship('UserNotification', lazy='joined',
                                           cascade="all, delete, delete-orphan")
 
 
 class UserNotification(Base, BaseModel):
     __tablename__ = 'user_to_notification'
     __table_args__ = (
         UniqueConstraint('user_id', 'notification_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), primary_key=True)
     notification_id = Column("notification_id", Integer(), ForeignKey('notifications.notification_id'), primary_key=True)
     read = Column('read', Boolean, default=False)
     sent_on = Column('sent_on', DateTime(timezone=False), nullable=True, unique=None)
 
     user = relationship('User', lazy="joined")
     notification = relationship('Notification', lazy="joined",
                                 order_by=lambda: Notification.created_on.desc(),)
 
 
 class DbMigrateVersion(Base, BaseModel):
     __tablename__ = 'db_migrate_version'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     repository_id = Column('repository_id', String(250), primary_key=True)
     repository_path = Column('repository_path', Text)
     version = Column('version', Integer)

rhodecode/lib/dbmigrate/schema/db_1_7_0.py

@@ -1,1146 +1,1145 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2010-2019 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 import os
 import time
 import logging
 import datetime
 import traceback
 import hashlib
 import collections
 
 from sqlalchemy import *
 from sqlalchemy.ext.hybrid import hybrid_property
 from sqlalchemy.orm import relationship, joinedload, class_mapper, validates
 from sqlalchemy.exc import DatabaseError
 from beaker.cache import cache_region, region_invalidate
 from webob.exc import HTTPNotFound
 
 from rhodecode.translation import _
 
 from rhodecode.lib.vcs import get_backend
 from rhodecode.lib.vcs.utils.helpers import get_scm
 from rhodecode.lib.vcs.exceptions import VCSError
 from zope.cachedescriptors.property import Lazy as LazyProperty
 from rhodecode.lib.vcs.backends.base import EmptyCommit
 
 from rhodecode.lib.utils2 import str2bool, safe_str, get_commit_safe, \
     safe_unicode, remove_suffix, remove_prefix, time_to_datetime
 from rhodecode.lib.ext_json import json
 from rhodecode.lib.caching_query import FromCache
 
 from rhodecode.model.meta import Base, Session
 
 URL_SEP = '/'
 log = logging.getLogger(__name__)
 
 #==============================================================================
 # BASE CLASSES
 #==============================================================================
 
 _hash_key = lambda k: hashlib.md5(safe_str(k)).hexdigest()
 
 
 class BaseModel(object):
     """
     Base Model for all classes
     """
 
     @classmethod
     def _get_keys(cls):
         """return column names for this model """
         return class_mapper(cls).c.keys()
 
     def get_dict(self):
         """
         return dict with keys and values corresponding
         to this model data """
 
         d = {}
         for k in self._get_keys():
             d[k] = getattr(self, k)
 
         # also use __json__() if present to get additional fields
         _json_attr = getattr(self, '__json__', None)
         if _json_attr:
             # update with attributes from __json__
             if callable(_json_attr):
                 _json_attr = _json_attr()
             for k, val in _json_attr.iteritems():
                 d[k] = val
         return d
 
     def get_appstruct(self):
         """return list with keys and values tupples corresponding
         to this model data """
 
         l = []
         for k in self._get_keys():
             l.append((k, getattr(self, k),))
         return l
 
     def populate_obj(self, populate_dict):
         """populate model with data from given populate_dict"""
 
         for k in self._get_keys():
             if k in populate_dict:
                 setattr(self, k, populate_dict[k])
 
     @classmethod
     def query(cls):
         return Session().query(cls)
 
     @classmethod
     def get(cls, id_):
         if id_:
             return cls.query().get(id_)
 
     @classmethod
     def get_or_404(cls, id_):
         try:
             id_ = int(id_)
         except (TypeError, ValueError):
             raise HTTPNotFound
 
         res = cls.query().get(id_)
         if not res:
             raise HTTPNotFound
         return res
 
     @classmethod
     def getAll(cls):
         # deprecated and left for backward compatibility
         return cls.get_all()
 
     @classmethod
     def get_all(cls):
         return cls.query().all()
 
     @classmethod
     def delete(cls, id_):
         obj = cls.query().get(id_)
         Session().delete(obj)
 
     def __repr__(self):
         if hasattr(self, '__unicode__'):
             # python repr needs to return str
             return safe_str(self.__unicode__())
         return '<DB:%s>' % (self.__class__.__name__)
 
 
 class RhodeCodeSetting(Base, BaseModel):
     __tablename__ = 'rhodecode_settings'
     __table_args__ = (
         UniqueConstraint('app_settings_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     app_settings_id = Column("app_settings_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     app_settings_name = Column("app_settings_name", String(255), nullable=True, unique=None, default=None)
     _app_settings_value = Column("app_settings_value", String(255), nullable=True, unique=None, default=None)
 
     def __init__(self, k='', v=''):
         self.app_settings_name = k
         self.app_settings_value = v
 
     @validates('_app_settings_value')
     def validate_settings_value(self, key, val):
         assert type(val) == unicode
         return val
 
     @hybrid_property
     def app_settings_value(self):
         v = self._app_settings_value
         if self.app_settings_name in ["ldap_active",
                                       "default_repo_enable_statistics",
                                       "default_repo_enable_locking",
                                       "default_repo_private",
                                       "default_repo_enable_downloads"]:
             v = str2bool(v)
         return v
 
     @app_settings_value.setter
     def app_settings_value(self, val):
         """
         Setter that will always make sure we use unicode in app_settings_value
 
         :param val:
         """
         self._app_settings_value = safe_unicode(val)
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (
             self.__class__.__name__,
             self.app_settings_name, self.app_settings_value
         )
 
 
 class RhodeCodeUi(Base, BaseModel):
     __tablename__ = 'rhodecode_ui'
     __table_args__ = (
         UniqueConstraint('ui_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     HOOK_REPO_SIZE = 'changegroup.repo_size'
     HOOK_PUSH = 'changegroup.push_logger'
     HOOK_PRE_PUSH = 'prechangegroup.pre_push'
     HOOK_PULL = 'outgoing.pull_logger'
     HOOK_PRE_PULL = 'preoutgoing.pre_pull'
 
     ui_id = Column("ui_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     ui_section = Column("ui_section", String(255), nullable=True, unique=None, default=None)
     ui_key = Column("ui_key", String(255), nullable=True, unique=None, default=None)
     ui_value = Column("ui_value", String(255), nullable=True, unique=None, default=None)
     ui_active = Column("ui_active", Boolean(), nullable=True, unique=None, default=True)
 
 
 
 class User(Base, BaseModel):
     __tablename__ = 'users'
     __table_args__ = (
         UniqueConstraint('username'), UniqueConstraint('email'),
         Index('u_username_idx', 'username'),
         Index('u_email_idx', 'email'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     DEFAULT_USER = 'default'
 
     user_id = Column("user_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     username = Column("username", String(255), nullable=True, unique=None, default=None)
     password = Column("password", String(255), nullable=True, unique=None, default=None)
     active = Column("active", Boolean(), nullable=True, unique=None, default=True)
     admin = Column("admin", Boolean(), nullable=True, unique=None, default=False)
     name = Column("firstname", String(255), nullable=True, unique=None, default=None)
     lastname = Column("lastname", String(255), nullable=True, unique=None, default=None)
     _email = Column("email", String(255), nullable=True, unique=None, default=None)
     last_login = Column("last_login", DateTime(timezone=False), nullable=True, unique=None, default=None)
     ldap_dn = Column("ldap_dn", String(255), nullable=True, unique=None, default=None)
     api_key = Column("api_key", String(255), nullable=True, unique=None, default=None)
     inherit_default_permissions = Column("inherit_default_permissions", Boolean(), nullable=False, unique=None, default=True)
 
     user_log = relationship('UserLog')
     user_perms = relationship('UserToPerm', primaryjoin="User.user_id==UserToPerm.user_id", cascade='all')
 
     repositories = relationship('Repository')
     user_followers = relationship('UserFollowing', primaryjoin='UserFollowing.follows_user_id==User.user_id', cascade='all')
     followings = relationship('UserFollowing', primaryjoin='UserFollowing.user_id==User.user_id', cascade='all')
 
     repo_to_perm = relationship('UserRepoToPerm', primaryjoin='UserRepoToPerm.user_id==User.user_id', cascade='all')
     repo_group_to_perm = relationship('UserRepoGroupToPerm', primaryjoin='UserRepoGroupToPerm.user_id==User.user_id', cascade='all')
 
     group_member = relationship('UserGroupMember', cascade='all')
 
     notifications = relationship('UserNotification', cascade='all')
     # notifications assigned to this user
     user_created_notifications = relationship('Notification', cascade='all')
     # comments created by this user
     user_comments = relationship('ChangesetComment', cascade='all')
     user_emails = relationship('UserEmailMap', cascade='all')
 
     @hybrid_property
     def email(self):
         return self._email
 
     @email.setter
     def email(self, val):
         self._email = val.lower() if val else None
 
     @property
     def firstname(self):
         # alias for future
         return self.name
 
     @property
     def username_and_name(self):
         return '%s (%s %s)' % (self.username, self.firstname, self.lastname)
 
     @property
     def full_name(self):
         return '%s %s' % (self.firstname, self.lastname)
 
     @property
     def full_contact(self):
         return '%s %s <%s>' % (self.firstname, self.lastname, self.email)
 
     @property
     def short_contact(self):
         return '%s %s' % (self.firstname, self.lastname)
 
     @property
     def is_admin(self):
         return self.admin
 
     @classmethod
     def get_by_username(cls, username, case_insensitive=False, cache=False):
         if case_insensitive:
             q = cls.query().filter(cls.username.ilike(username))
         else:
             q = cls.query().filter(cls.username == username)
 
         if cache:
             q = q.options(FromCache(
                             "sql_cache_short",
                             "get_user_%s" % _hash_key(username)
                           )
             )
         return q.scalar()
 
     @classmethod
     def get_by_auth_token(cls, auth_token, cache=False):
         q = cls.query().filter(cls.api_key == auth_token)
 
         if cache:
             q = q.options(FromCache("sql_cache_short",
                                     "get_auth_token_%s" % auth_token))
         return q.scalar()
 
     @classmethod
     def get_by_email(cls, email, case_insensitive=False, cache=False):
         if case_insensitive:
             q = cls.query().filter(cls.email.ilike(email))
         else:
             q = cls.query().filter(cls.email == email)
 
         if cache:
             q = q.options(FromCache("sql_cache_short",
                                     "get_email_key_%s" % email))
 
         ret = q.scalar()
         if ret is None:
             q = UserEmailMap.query()
             # try fetching in alternate email map
             if case_insensitive:
                 q = q.filter(UserEmailMap.email.ilike(email))
             else:
                 q = q.filter(UserEmailMap.email == email)
             q = q.options(joinedload(UserEmailMap.user))
             if cache:
                 q = q.options(FromCache("sql_cache_short",
                                         "get_email_map_key_%s" % email))
             ret = getattr(q.scalar(), 'user', None)
 
         return ret
 
     @classmethod
     def get_first_admin(cls):
         user = User.query().filter(User.admin == True).first()
         if user is None:
             raise Exception('Missing administrative account!')
         return user
 
     @classmethod
     def get_default_user(cls, cache=False):
         user = User.get_by_username(User.DEFAULT_USER, cache=cache)
         if user is None:
             raise Exception('Missing default account!')
         return user
 
 
 
 
 class UserEmailMap(Base, BaseModel):
     __tablename__ = 'user_email_map'
     __table_args__ = (
         Index('uem_email_idx', 'email'),
         UniqueConstraint('email'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     __mapper_args__ = {}
 
     email_id = Column("email_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     _email = Column("email", String(255), nullable=True, unique=False, default=None)
     user = relationship('User', lazy='joined')
 
     @validates('_email')
     def validate_email(self, key, email):
         # check if this email is not main one
         main_email = Session().query(User).filter(User.email == email).scalar()
         if main_email is not None:
             raise AttributeError('email %s is present is user table' % email)
         return email
 
     @hybrid_property
     def email(self):
         return self._email
 
     @email.setter
     def email(self, val):
         self._email = val.lower() if val else None
 
 
 class UserIpMap(Base, BaseModel):
     __tablename__ = 'user_ip_map'
     __table_args__ = (
         UniqueConstraint('user_id', 'ip_addr'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     __mapper_args__ = {}
 
     ip_id = Column("ip_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     ip_addr = Column("ip_addr", String(255), nullable=True, unique=False, default=None)
     active = Column("active", Boolean(), nullable=True, unique=None, default=True)
     user = relationship('User', lazy='joined')
 
 
 class UserLog(Base, BaseModel):
     __tablename__ = 'user_logs'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     user_log_id = Column("user_log_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     username = Column("username", String(255), nullable=True, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True)
     repository_name = Column("repository_name", String(255), nullable=True, unique=None, default=None)
     user_ip = Column("user_ip", String(255), nullable=True, unique=None, default=None)
     action = Column("action", String(1200000), nullable=True, unique=None, default=None)
     action_date = Column("action_date", DateTime(timezone=False), nullable=True, unique=None, default=None)
 
     def __unicode__(self):
         return u"<%s('id:%s:%s')>" % (self.__class__.__name__,
                                       self.repository_name,
                                       self.action)
 
     user = relationship('User')
     repository = relationship('Repository', cascade='')
 
 
 class UserGroup(Base, BaseModel):
     __tablename__ = 'users_groups'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     users_group_id = Column("users_group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_name = Column("users_group_name", String(255), nullable=False, unique=True, default=None)
     users_group_active = Column("users_group_active", Boolean(), nullable=True, unique=None, default=None)
     inherit_default_permissions = Column("users_group_inherit_default_permissions", Boolean(), nullable=False, unique=None, default=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)
 
     members = relationship('UserGroupMember', cascade="all, delete, delete-orphan", lazy="joined")
     users_group_to_perm = relationship('UserGroupToPerm', cascade='all')
     users_group_repo_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
     users_group_repo_group_to_perm = relationship('UserGroupRepoGroupToPerm', cascade='all')
     user_user_group_to_perm = relationship('UserUserGroupToPerm', cascade='all')
     user_group_user_group_to_perm = relationship('UserGroupUserGroupToPerm ', primaryjoin="UserGroupUserGroupToPerm.target_user_group_id==UserGroup.users_group_id", cascade='all')
 
     user = relationship('User')
 
     def __unicode__(self):
         return u"<%s('id:%s:%s')>" % (self.__class__.__name__,
                                       self.users_group_id,
                                       self.users_group_name)
 
     @classmethod
     def get_by_group_name(cls, group_name, cache=False,
                           case_insensitive=False):
         if case_insensitive:
             q = cls.query().filter(cls.users_group_name.ilike(group_name))
         else:
             q = cls.query().filter(cls.users_group_name == group_name)
         if cache:
             q = q.options(FromCache(
                             "sql_cache_short",
                             "get_user_%s" % _hash_key(group_name)
                           )
             )
         return q.scalar()
 
     @classmethod
     def get(cls, users_group_id, cache=False):
         user_group = cls.query()
         if cache:
             user_group = user_group.options(FromCache("sql_cache_short",
                                     "get_users_group_%s" % users_group_id))
         return user_group.get(users_group_id)
 
 
 class UserGroupMember(Base, BaseModel):
     __tablename__ = 'users_groups_members'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     users_group_member_id = Column("users_group_member_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User', lazy='joined')
     users_group = relationship('UserGroup')
 
     def __init__(self, gr_id='', u_id=''):
         self.users_group_id = gr_id
         self.user_id = u_id
 
 
 class RepositoryField(Base, BaseModel):
     __tablename__ = 'repositories_fields'
     __table_args__ = (
         UniqueConstraint('repository_id', 'field_key'),  # no-multi field
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     PREFIX = 'ex_'  # prefix used in form to not conflict with already existing fields
 
     repo_field_id = Column("repo_field_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
     field_key = Column("field_key", String(250))
     field_label = Column("field_label", String(1024), nullable=False)
     field_value = Column("field_value", String(10000), nullable=False)
     field_desc = Column("field_desc", String(1024), nullable=False)
     field_type = Column("field_type", String(256), nullable=False, unique=None)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     repository = relationship('Repository')
 
     @classmethod
     def get_by_key_name(cls, key, repo):
         row = cls.query()\
                 .filter(cls.repository == repo)\
                 .filter(cls.field_key == key).scalar()
         return row
 
 
 class Repository(Base, BaseModel):
     __tablename__ = 'repositories'
     __table_args__ = (
         UniqueConstraint('repo_name'),
         Index('r_repo_name_idx', 'repo_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     repo_id = Column("repo_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repo_name = Column("repo_name", String(255), nullable=False, unique=True, default=None)
     clone_uri = Column("clone_uri", String(255), nullable=True, unique=False, default=None)
     repo_type = Column("repo_type", String(255), nullable=False, unique=False, default=None)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)
     private = Column("private", Boolean(), nullable=True, unique=None, default=None)
     enable_statistics = Column("statistics", Boolean(), nullable=True, unique=None, default=True)
     enable_downloads = Column("downloads", Boolean(), nullable=True, unique=None, default=True)
     description = Column("description", String(10000), nullable=True, unique=None, default=None)
     created_on = Column('created_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
     updated_on = Column('updated_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
     landing_rev = Column("landing_revision", String(255), nullable=False, unique=False, default=None)
     enable_locking = Column("enable_locking", Boolean(), nullable=False, unique=None, default=False)
     _locked = Column("locked", String(255), nullable=True, unique=False, default=None)
     _changeset_cache = Column("changeset_cache", LargeBinary(), nullable=True) #JSON data
 
     fork_id = Column("fork_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=False, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=False, default=None)
 
     user = relationship('User')
     fork = relationship('Repository', remote_side=repo_id)
     group = relationship('RepoGroup')
     repo_to_perm = relationship('UserRepoToPerm', cascade='all', order_by='UserRepoToPerm.repo_to_perm_id')
     users_group_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
     stats = relationship('Statistics', cascade='all', uselist=False)
 
     followers = relationship('UserFollowing',
                              primaryjoin='UserFollowing.follows_repo_id==Repository.repo_id',
                              cascade='all')
     extra_fields = relationship('RepositoryField',
                                 cascade="all, delete, delete-orphan")
 
     logs = relationship('UserLog')
     comments = relationship('ChangesetComment', cascade="all, delete, delete-orphan")
 
     pull_requests_org = relationship('PullRequest',
                     primaryjoin='PullRequest.org_repo_id==Repository.repo_id',
                     cascade="all, delete, delete-orphan")
 
     pull_requests_other = relationship('PullRequest',
                     primaryjoin='PullRequest.other_repo_id==Repository.repo_id',
                     cascade="all, delete, delete-orphan")
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (self.__class__.__name__, self.repo_id,
                                    safe_unicode(self.repo_name))
 
     @classmethod
     def get_by_repo_name(cls, repo_name):
         q = Session().query(cls).filter(cls.repo_name == repo_name)
         q = q.options(joinedload(Repository.fork))\
             .options(joinedload(Repository.user))\
             .options(joinedload(Repository.group))
         return q.scalar()
 
 
 class RepoGroup(Base, BaseModel):
     __tablename__ = 'groups'
     __table_args__ = (
         UniqueConstraint('group_name', 'group_parent_id'),
-        CheckConstraint('group_id != group_parent_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     __mapper_args__ = {'order_by': 'group_name'}
 
     group_id = Column("group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     group_name = Column("group_name", String(255), nullable=False, unique=True, default=None)
     group_parent_id = Column("group_parent_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=None, default=None)
     group_description = Column("group_description", String(10000), nullable=True, unique=None, default=None)
     enable_locking = Column("enable_locking", Boolean(), nullable=False, unique=None, default=False)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)
 
     repo_group_to_perm = relationship('UserRepoGroupToPerm', cascade='all', order_by='UserRepoGroupToPerm.group_to_perm_id')
     users_group_to_perm = relationship('UserGroupRepoGroupToPerm', cascade='all')
     parent_group = relationship('RepoGroup', remote_side=group_id)
     user = relationship('User')
 
     def __init__(self, group_name='', parent_group=None):
         self.group_name = group_name
         self.parent_group = parent_group
 
     def __unicode__(self):
         return u"<%s('id:%s:%s')>" % (self.__class__.__name__, self.group_id,
                                       self.group_name)
 
     @classmethod
     def url_sep(cls):
         return URL_SEP
 
     @classmethod
     def get_by_group_name(cls, group_name, cache=False, case_insensitive=False):
         if case_insensitive:
             gr = cls.query()\
                 .filter(cls.group_name.ilike(group_name))
         else:
             gr = cls.query()\
                 .filter(cls.group_name == group_name)
         if cache:
             gr = gr.options(FromCache(
                             "sql_cache_short",
                             "get_group_%s" % _hash_key(group_name)
                             )
             )
         return gr.scalar()
 
 
 class Permission(Base, BaseModel):
     __tablename__ = 'permissions'
     __table_args__ = (
         Index('p_perm_name_idx', 'permission_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     PERMS = [
         ('hg.admin', _('RhodeCode Administrator')),
 
         ('repository.none', _('Repository no access')),
         ('repository.read', _('Repository read access')),
         ('repository.write', _('Repository write access')),
         ('repository.admin', _('Repository admin access')),
 
         ('group.none', _('Repository group no access')),
         ('group.read', _('Repository group read access')),
         ('group.write', _('Repository group write access')),
         ('group.admin', _('Repository group admin access')),
 
         ('usergroup.none', _('User group no access')),
         ('usergroup.read', _('User group read access')),
         ('usergroup.write', _('User group write access')),
         ('usergroup.admin', _('User group admin access')),
 
         ('hg.repogroup.create.false', _('Repository Group creation disabled')),
         ('hg.repogroup.create.true', _('Repository Group creation enabled')),
 
         ('hg.usergroup.create.false', _('User Group creation disabled')),
         ('hg.usergroup.create.true', _('User Group creation enabled')),
 
         ('hg.create.none', _('Repository creation disabled')),
         ('hg.create.repository', _('Repository creation enabled')),
 
         ('hg.fork.none', _('Repository forking disabled')),
         ('hg.fork.repository', _('Repository forking enabled')),
 
         ('hg.register.none', _('Registration disabled')),
         ('hg.register.manual_activate', _('User Registration with manual account activation')),
         ('hg.register.auto_activate', _('User Registration with automatic account activation')),
 
         ('hg.extern_activate.manual', _('Manual activation of external account')),
         ('hg.extern_activate.auto', _('Automatic activation of external account')),
 
     ]
 
     #definition of system default permissions for DEFAULT user
     DEFAULT_USER_PERMISSIONS = [
         'repository.read',
         'group.read',
         'usergroup.read',
         'hg.create.repository',
         'hg.fork.repository',
         'hg.register.manual_activate',
         'hg.extern_activate.auto',
     ]
 
     # defines which permissions are more important higher the more important
     # Weight defines which permissions are more important.
     # The higher number the more important.
     PERM_WEIGHTS = {
         'repository.none': 0,
         'repository.read': 1,
         'repository.write': 3,
         'repository.admin': 4,
 
         'group.none': 0,
         'group.read': 1,
         'group.write': 3,
         'group.admin': 4,
 
         'usergroup.none': 0,
         'usergroup.read': 1,
         'usergroup.write': 3,
         'usergroup.admin': 4,
         'hg.repogroup.create.false': 0,
         'hg.repogroup.create.true': 1,
 
         'hg.usergroup.create.false': 0,
         'hg.usergroup.create.true': 1,
 
         'hg.fork.none': 0,
         'hg.fork.repository': 1,
         'hg.create.none': 0,
         'hg.create.repository': 1
     }
 
     permission_id = Column("permission_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     permission_name = Column("permission_name", String(255), nullable=True, unique=None, default=None)
     permission_longname = Column("permission_longname", String(255), nullable=True, unique=None, default=None)
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (
             self.__class__.__name__, self.permission_id, self.permission_name
         )
 
     @classmethod
     def get_by_key(cls, key):
         return cls.query().filter(cls.permission_name == key).scalar()
 
 
 class UserRepoToPerm(Base, BaseModel):
     __tablename__ = 'repo_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'repository_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     repo_to_perm_id = Column("repo_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     repository = relationship('Repository')
     permission = relationship('Permission')
 
     def __unicode__(self):
         return u'<%s => %s >' % (self.user, self.repository)
 
 
 class UserUserGroupToPerm(Base, BaseModel):
     __tablename__ = 'user_user_group_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'user_group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     user_user_group_to_perm_id = Column("user_user_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     user_group_id = Column("user_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     user_group = relationship('UserGroup')
     permission = relationship('Permission')
 
     def __unicode__(self):
         return u'<%s => %s >' % (self.user, self.user_group)
 
 
 class UserToPerm(Base, BaseModel):
     __tablename__ = 'user_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     user_to_perm_id = Column("user_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     permission = relationship('Permission', lazy='joined')
 
     def __unicode__(self):
         return u'<%s => %s >' % (self.user, self.permission)
 
 
 class UserGroupRepoToPerm(Base, BaseModel):
     __tablename__ = 'users_group_repo_to_perm'
     __table_args__ = (
         UniqueConstraint('repository_id', 'users_group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
     repository = relationship('Repository')
 
     def __unicode__(self):
         return u'<UserGroupRepoToPerm:%s => %s >' % (self.users_group, self.repository)
 
 
 class UserGroupUserGroupToPerm(Base, BaseModel):
     __tablename__ = 'user_group_user_group_to_perm'
     __table_args__ = (
         UniqueConstraint('target_user_group_id', 'user_group_id', 'permission_id'),
         CheckConstraint('target_user_group_id != user_group_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     user_group_user_group_to_perm_id = Column("user_group_user_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     target_user_group_id = Column("target_user_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     user_group_id = Column("user_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
 
     target_user_group = relationship('UserGroup', primaryjoin='UserGroupUserGroupToPerm.target_user_group_id==UserGroup.users_group_id')
     user_group = relationship('UserGroup', primaryjoin='UserGroupUserGroupToPerm.user_group_id==UserGroup.users_group_id')
     permission = relationship('Permission')
 
     def __unicode__(self):
         return u'<UserGroupUserGroup:%s => %s >' % (self.target_user_group, self.user_group)
 
 
 class UserGroupToPerm(Base, BaseModel):
     __tablename__ = 'users_group_to_perm'
     __table_args__ = (
         UniqueConstraint('users_group_id', 'permission_id',),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
 
 
 class UserRepoGroupToPerm(Base, BaseModel):
     __tablename__ = 'user_repo_group_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     group_to_perm_id = Column("group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     group = relationship('RepoGroup')
     permission = relationship('Permission')
 
 
 class UserGroupRepoGroupToPerm(Base, BaseModel):
     __tablename__ = 'users_group_repo_group_to_perm'
     __table_args__ = (
         UniqueConstraint('users_group_id', 'group_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     users_group_repo_group_to_perm_id = Column("users_group_repo_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
     group = relationship('RepoGroup')
 
 
 class Statistics(Base, BaseModel):
     __tablename__ = 'statistics'
     __table_args__ = (
          UniqueConstraint('repository_id'),
          {'extend_existing': True, 'mysql_engine': 'InnoDB',
           'mysql_charset': 'utf8'}
     )
     stat_id = Column("stat_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=True, default=None)
     stat_on_revision = Column("stat_on_revision", Integer(), nullable=False)
     commit_activity = Column("commit_activity", LargeBinary(1000000), nullable=False)#JSON data
     commit_activity_combined = Column("commit_activity_combined", LargeBinary(), nullable=False)#JSON data
     languages = Column("languages", LargeBinary(1000000), nullable=False)#JSON data
 
     repository = relationship('Repository', single_parent=True)
 
 
 class UserFollowing(Base, BaseModel):
     __tablename__ = 'user_followings'
     __table_args__ = (
         UniqueConstraint('user_id', 'follows_repository_id'),
         UniqueConstraint('user_id', 'follows_user_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     user_following_id = Column("user_following_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     follows_repo_id = Column("follows_repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=None, default=None)
     follows_user_id = Column("follows_user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     follows_from = Column('follows_from', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
 
     user = relationship('User', primaryjoin='User.user_id==UserFollowing.user_id')
 
     follows_user = relationship('User', primaryjoin='User.user_id==UserFollowing.follows_user_id')
     follows_repository = relationship('Repository', order_by='Repository.repo_name')
 
 
 class CacheInvalidation(Base, BaseModel):
     __tablename__ = 'cache_invalidation'
     __table_args__ = (
         UniqueConstraint('cache_key'),
         Index('key_idx', 'cache_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     cache_id = Column("cache_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     cache_key = Column("cache_key", String(255), nullable=True, unique=None, default=None)
     cache_args = Column("cache_args", String(255), nullable=True, unique=None, default=None)
     cache_active = Column("cache_active", Boolean(), nullable=True, unique=None, default=False)
 
     def __init__(self, cache_key, cache_args=''):
         self.cache_key = cache_key
         self.cache_args = cache_args
         self.cache_active = False
 
 
 class ChangesetComment(Base, BaseModel):
     __tablename__ = 'changeset_comments'
     __table_args__ = (
         Index('cc_revision_idx', 'revision'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     comment_id = Column('comment_id', Integer(), nullable=False, primary_key=True)
     repo_id = Column('repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     revision = Column('revision', String(40), nullable=True)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=True)
     line_no = Column('line_no', Unicode(10), nullable=True)
     hl_lines = Column('hl_lines', Unicode(512), nullable=True)
     f_path = Column('f_path', Unicode(1000), nullable=True)
     user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=False)
     text = Column('text', UnicodeText().with_variant(UnicodeText(25000), 'mysql'), nullable=False)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     modified_at = Column('modified_at', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     author = relationship('User', lazy='joined')
     repo = relationship('Repository')
     status_change = relationship('ChangesetStatus', cascade="all, delete, delete-orphan")
     pull_request = relationship('PullRequest', lazy='joined')
 
 
 class ChangesetStatus(Base, BaseModel):
     __tablename__ = 'changeset_statuses'
     __table_args__ = (
         Index('cs_revision_idx', 'revision'),
         Index('cs_version_idx', 'version'),
         UniqueConstraint('repo_id', 'revision', 'version'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     STATUS_NOT_REVIEWED = DEFAULT = 'not_reviewed'
     STATUS_APPROVED = 'approved'
     STATUS_REJECTED = 'rejected'
     STATUS_UNDER_REVIEW = 'under_review'
 
     STATUSES = [
         (STATUS_NOT_REVIEWED, _("Not Reviewed")),  # (no icon) and default
         (STATUS_APPROVED, _("Approved")),
         (STATUS_REJECTED, _("Rejected")),
         (STATUS_UNDER_REVIEW, _("Under Review")),
     ]
 
     changeset_status_id = Column('changeset_status_id', Integer(), nullable=False, primary_key=True)
     repo_id = Column('repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None)
     revision = Column('revision', String(40), nullable=False)
     status = Column('status', String(128), nullable=False, default=DEFAULT)
     changeset_comment_id = Column('changeset_comment_id', Integer(), ForeignKey('changeset_comments.comment_id'))
     modified_at = Column('modified_at', DateTime(), nullable=False, default=datetime.datetime.now)
     version = Column('version', Integer(), nullable=False, default=0)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=True)
 
     author = relationship('User', lazy='joined')
     repo = relationship('Repository')
     comment = relationship('ChangesetComment', lazy='joined')
     pull_request = relationship('PullRequest', lazy='joined')
 
 
 
 class PullRequest(Base, BaseModel):
     __tablename__ = 'pull_requests'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     STATUS_NEW = u'new'
     STATUS_OPEN = u'open'
     STATUS_CLOSED = u'closed'
 
     pull_request_id = Column('pull_request_id', Integer(), nullable=False, primary_key=True)
     title = Column('title', Unicode(256), nullable=True)
     description = Column('description', UnicodeText().with_variant(UnicodeText(10240), 'mysql'), nullable=True)
     status = Column('status', Unicode(256), nullable=False, default=STATUS_NEW)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     updated_on = Column('updated_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None)
     _revisions = Column('revisions', UnicodeText().with_variant(UnicodeText(20500), 'mysql'))
     org_repo_id = Column('org_repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     org_ref = Column('org_ref', Unicode(256), nullable=False)
     other_repo_id = Column('other_repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     other_ref = Column('other_ref', Unicode(256), nullable=False)
 
     author = relationship('User', lazy='joined')
     reviewers = relationship('PullRequestReviewers',
                              cascade="all, delete, delete-orphan")
     org_repo = relationship('Repository', primaryjoin='PullRequest.org_repo_id==Repository.repo_id')
     other_repo = relationship('Repository', primaryjoin='PullRequest.other_repo_id==Repository.repo_id')
     statuses = relationship('ChangesetStatus')
     comments = relationship('ChangesetComment',
                              cascade="all, delete, delete-orphan")
 
 
 class PullRequestReviewers(Base, BaseModel):
     __tablename__ = 'pull_request_reviewers'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     def __init__(self, user=None, pull_request=None):
         self.user = user
         self.pull_request = pull_request
 
     pull_requests_reviewers_id = Column('pull_requests_reviewers_id', Integer(), nullable=False, primary_key=True)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=False)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True)
 
     user = relationship('User')
     pull_request = relationship('PullRequest')
 
 
 class Notification(Base, BaseModel):
     __tablename__ = 'notifications'
     __table_args__ = (
         Index('notification_type_idx', 'type'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     TYPE_CHANGESET_COMMENT = u'cs_comment'
     TYPE_MESSAGE = u'message'
     TYPE_MENTION = u'mention'
     TYPE_REGISTRATION = u'registration'
     TYPE_PULL_REQUEST = u'pull_request'
     TYPE_PULL_REQUEST_COMMENT = u'pull_request_comment'
 
     notification_id = Column('notification_id', Integer(), nullable=False, primary_key=True)
     subject = Column('subject', Unicode(512), nullable=True)
     body = Column('body', UnicodeText().with_variant(UnicodeText(50000), 'mysql'), nullable=True)
     created_by = Column("created_by", Integer(), ForeignKey('users.user_id'), nullable=True)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     type_ = Column('type', Unicode(256))
 
     created_by_user = relationship('User')
     notifications_to_users = relationship('UserNotification', lazy='joined',
                                           cascade="all, delete, delete-orphan")
 
 
 class UserNotification(Base, BaseModel):
     __tablename__ = 'user_to_notification'
     __table_args__ = (
         UniqueConstraint('user_id', 'notification_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), primary_key=True)
     notification_id = Column("notification_id", Integer(), ForeignKey('notifications.notification_id'), primary_key=True)
     read = Column('read', Boolean, default=False)
     sent_on = Column('sent_on', DateTime(timezone=False), nullable=True, unique=None)
 
     user = relationship('User', lazy="joined")
     notification = relationship('Notification', lazy="joined",
                                 order_by=lambda: Notification.created_on.desc(),)
 
 
 class Gist(Base, BaseModel):
     __tablename__ = 'gists'
     __table_args__ = (
         Index('g_gist_access_id_idx', 'gist_access_id'),
         Index('g_created_on_idx', 'created_on'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     GIST_PUBLIC = u'public'
     GIST_PRIVATE = u'private'
 
     gist_id = Column('gist_id', Integer(), primary_key=True)
     gist_access_id = Column('gist_access_id', Unicode(250))
     gist_description = Column('gist_description', UnicodeText().with_variant(UnicodeText(1024), 'mysql'))
     gist_owner = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=True)
     gist_expires = Column('gist_expires', Float(), nullable=False)
     gist_type = Column('gist_type', Unicode(128), nullable=False)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     modified_at = Column('modified_at', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     owner = relationship('User')
 
 
 class DbMigrateVersion(Base, BaseModel):
     __tablename__ = 'db_migrate_version'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     repository_id = Column('repository_id', String(250), primary_key=True)
     repository_path = Column('repository_path', Text)
     version = Column('version', Integer)

rhodecode/lib/dbmigrate/schema/db_1_8_0.py

@@ -1,1148 +1,1147 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2010-2019 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 import os
 import time
 import logging
 import datetime
 import traceback
 import hashlib
 import collections
 
 from sqlalchemy import *
 from sqlalchemy.ext.hybrid import hybrid_property
 from sqlalchemy.orm import relationship, joinedload, class_mapper, validates
 from sqlalchemy.exc import DatabaseError
 from beaker.cache import cache_region, region_invalidate
 from webob.exc import HTTPNotFound
 
 from rhodecode.translation import _
 
 from rhodecode.lib.vcs import get_backend
 from rhodecode.lib.vcs.utils.helpers import get_scm
 from rhodecode.lib.vcs.exceptions import VCSError
 from zope.cachedescriptors.property import Lazy as LazyProperty
 from rhodecode.lib.vcs.backends.base import EmptyCommit
 
 from rhodecode.lib.utils2 import str2bool, safe_str, get_commit_safe, \
     safe_unicode, remove_suffix, remove_prefix, time_to_datetime
 from rhodecode.lib.ext_json import json
 from rhodecode.lib.caching_query import FromCache
 
 from rhodecode.model.meta import Base, Session
 
 URL_SEP = '/'
 log = logging.getLogger(__name__)
 
 #==============================================================================
 # BASE CLASSES
 #==============================================================================
 
 _hash_key = lambda k: hashlib.md5(safe_str(k)).hexdigest()
 
 
 class BaseModel(object):
     """
     Base Model for all classes
     """
 
     @classmethod
     def _get_keys(cls):
         """return column names for this model """
         return class_mapper(cls).c.keys()
 
     def get_dict(self):
         """
         return dict with keys and values corresponding
         to this model data """
 
         d = {}
         for k in self._get_keys():
             d[k] = getattr(self, k)
 
         # also use __json__() if present to get additional fields
         _json_attr = getattr(self, '__json__', None)
         if _json_attr:
             # update with attributes from __json__
             if callable(_json_attr):
                 _json_attr = _json_attr()
             for k, val in _json_attr.iteritems():
                 d[k] = val
         return d
 
     def get_appstruct(self):
         """return list with keys and values tupples corresponding
         to this model data """
 
         l = []
         for k in self._get_keys():
             l.append((k, getattr(self, k),))
         return l
 
     def populate_obj(self, populate_dict):
         """populate model with data from given populate_dict"""
 
         for k in self._get_keys():
             if k in populate_dict:
                 setattr(self, k, populate_dict[k])
 
     @classmethod
     def query(cls):
         return Session().query(cls)
 
     @classmethod
     def get(cls, id_):
         if id_:
             return cls.query().get(id_)
 
     @classmethod
     def get_or_404(cls, id_):
         try:
             id_ = int(id_)
         except (TypeError, ValueError):
             raise HTTPNotFound
 
         res = cls.query().get(id_)
         if not res:
             raise HTTPNotFound
         return res
 
     @classmethod
     def getAll(cls):
         # deprecated and left for backward compatibility
         return cls.get_all()
 
     @classmethod
     def get_all(cls):
         return cls.query().all()
 
     @classmethod
     def delete(cls, id_):
         obj = cls.query().get(id_)
         Session().delete(obj)
 
     def __repr__(self):
         if hasattr(self, '__unicode__'):
             # python repr needs to return str
             return safe_str(self.__unicode__())
         return '<DB:%s>' % (self.__class__.__name__)
 
 
 class RhodeCodeSetting(Base, BaseModel):
     __tablename__ = 'rhodecode_settings'
     __table_args__ = (
         UniqueConstraint('app_settings_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     app_settings_id = Column("app_settings_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     app_settings_name = Column("app_settings_name", String(255), nullable=True, unique=None, default=None)
     _app_settings_value = Column("app_settings_value", String(255), nullable=True, unique=None, default=None)
     _app_settings_type = Column("app_settings_type", String(255), nullable=True, unique=None, default=None)
 
     def __init__(self, key='', val='', type='unicode'):
         self.app_settings_name = key
         self.app_settings_value = val
         self.app_settings_type = type
 
     @validates('_app_settings_value')
     def validate_settings_value(self, key, val):
         assert type(val) == unicode
         return val
 
     @hybrid_property
     def app_settings_value(self):
         v = self._app_settings_value
         if self.app_settings_name in ["ldap_active",
                                       "default_repo_enable_statistics",
                                       "default_repo_enable_locking",
                                       "default_repo_private",
                                       "default_repo_enable_downloads"]:
             v = str2bool(v)
         return v
 
     @app_settings_value.setter
     def app_settings_value(self, val):
         """
         Setter that will always make sure we use unicode in app_settings_value
 
         :param val:
         """
         self._app_settings_value = safe_unicode(val)
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (
             self.__class__.__name__,
             self.app_settings_name, self.app_settings_value
         )
 
 
 class RhodeCodeUi(Base, BaseModel):
     __tablename__ = 'rhodecode_ui'
     __table_args__ = (
         UniqueConstraint('ui_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
 
     HOOK_REPO_SIZE = 'changegroup.repo_size'
     HOOK_PUSH = 'changegroup.push_logger'
     HOOK_PRE_PUSH = 'prechangegroup.pre_push'
     HOOK_PULL = 'outgoing.pull_logger'
     HOOK_PRE_PULL = 'preoutgoing.pre_pull'
 
     ui_id = Column("ui_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     ui_section = Column("ui_section", String(255), nullable=True, unique=None, default=None)
     ui_key = Column("ui_key", String(255), nullable=True, unique=None, default=None)
     ui_value = Column("ui_value", String(255), nullable=True, unique=None, default=None)
     ui_active = Column("ui_active", Boolean(), nullable=True, unique=None, default=True)
 
 
 
 class User(Base, BaseModel):
     __tablename__ = 'users'
     __table_args__ = (
         UniqueConstraint('username'), UniqueConstraint('email'),
         Index('u_username_idx', 'username'),
         Index('u_email_idx', 'email'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     DEFAULT_USER = 'default'
 
     user_id = Column("user_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     username = Column("username", String(255), nullable=True, unique=None, default=None)
     password = Column("password", String(255), nullable=True, unique=None, default=None)
     active = Column("active", Boolean(), nullable=True, unique=None, default=True)
     admin = Column("admin", Boolean(), nullable=True, unique=None, default=False)
     name = Column("firstname", String(255), nullable=True, unique=None, default=None)
     lastname = Column("lastname", String(255), nullable=True, unique=None, default=None)
     _email = Column("email", String(255), nullable=True, unique=None, default=None)
     last_login = Column("last_login", DateTime(timezone=False), nullable=True, unique=None, default=None)
     ldap_dn = Column("ldap_dn", String(255), nullable=True, unique=None, default=None)
     api_key = Column("api_key", String(255), nullable=True, unique=None, default=None)
     inherit_default_permissions = Column("inherit_default_permissions", Boolean(), nullable=False, unique=None, default=True)
 
     user_log = relationship('UserLog')
     user_perms = relationship('UserToPerm', primaryjoin="User.user_id==UserToPerm.user_id", cascade='all')
 
     repositories = relationship('Repository')
     user_followers = relationship('UserFollowing', primaryjoin='UserFollowing.follows_user_id==User.user_id', cascade='all')
     followings = relationship('UserFollowing', primaryjoin='UserFollowing.user_id==User.user_id', cascade='all')
 
     repo_to_perm = relationship('UserRepoToPerm', primaryjoin='UserRepoToPerm.user_id==User.user_id', cascade='all')
     repo_group_to_perm = relationship('UserRepoGroupToPerm', primaryjoin='UserRepoGroupToPerm.user_id==User.user_id', cascade='all')
 
     group_member = relationship('UserGroupMember', cascade='all')
 
     notifications = relationship('UserNotification', cascade='all')
     # notifications assigned to this user
     user_created_notifications = relationship('Notification', cascade='all')
     # comments created by this user
     user_comments = relationship('ChangesetComment', cascade='all')
     user_emails = relationship('UserEmailMap', cascade='all')
 
     @hybrid_property
     def email(self):
         return self._email
 
     @email.setter
     def email(self, val):
         self._email = val.lower() if val else None
 
     @property
     def firstname(self):
         # alias for future
         return self.name
 
     @property
     def username_and_name(self):
         return '%s (%s %s)' % (self.username, self.firstname, self.lastname)
 
     @property
     def full_name(self):
         return '%s %s' % (self.firstname, self.lastname)
 
     @property
     def full_contact(self):
         return '%s %s <%s>' % (self.firstname, self.lastname, self.email)
 
     @property
     def short_contact(self):
         return '%s %s' % (self.firstname, self.lastname)
 
     @property
     def is_admin(self):
         return self.admin
 
     @classmethod
     def get_by_username(cls, username, case_insensitive=False, cache=False):
         if case_insensitive:
             q = cls.query().filter(cls.username.ilike(username))
         else:
             q = cls.query().filter(cls.username == username)
 
         if cache:
             q = q.options(FromCache(
                             "sql_cache_short",
                             "get_user_%s" % _hash_key(username)
                           )
             )
         return q.scalar()
 
     @classmethod
     def get_by_auth_token(cls, auth_token, cache=False):
         q = cls.query().filter(cls.api_key == auth_token)
 
         if cache:
             q = q.options(FromCache("sql_cache_short",
                                     "get_auth_token_%s" % auth_token))
         return q.scalar()
 
     @classmethod
     def get_by_email(cls, email, case_insensitive=False, cache=False):
         if case_insensitive:
             q = cls.query().filter(cls.email.ilike(email))
         else:
             q = cls.query().filter(cls.email == email)
 
         if cache:
             q = q.options(FromCache("sql_cache_short",
                                     "get_email_key_%s" % email))
 
         ret = q.scalar()
         if ret is None:
             q = UserEmailMap.query()
             # try fetching in alternate email map
             if case_insensitive:
                 q = q.filter(UserEmailMap.email.ilike(email))
             else:
                 q = q.filter(UserEmailMap.email == email)
             q = q.options(joinedload(UserEmailMap.user))
             if cache:
                 q = q.options(FromCache("sql_cache_short",
                                         "get_email_map_key_%s" % email))
             ret = getattr(q.scalar(), 'user', None)
 
         return ret
 
     @classmethod
     def get_first_admin(cls):
         user = User.query().filter(User.admin == True).first()
         if user is None:
             raise Exception('Missing administrative account!')
         return user
 
     @classmethod
     def get_default_user(cls, cache=False):
         user = User.get_by_username(User.DEFAULT_USER, cache=cache)
         if user is None:
             raise Exception('Missing default account!')
         return user
 
 
 
 
 class UserEmailMap(Base, BaseModel):
     __tablename__ = 'user_email_map'
     __table_args__ = (
         Index('uem_email_idx', 'email'),
         UniqueConstraint('email'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     __mapper_args__ = {}
 
     email_id = Column("email_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     _email = Column("email", String(255), nullable=True, unique=False, default=None)
     user = relationship('User', lazy='joined')
 
     @validates('_email')
     def validate_email(self, key, email):
         # check if this email is not main one
         main_email = Session().query(User).filter(User.email == email).scalar()
         if main_email is not None:
             raise AttributeError('email %s is present is user table' % email)
         return email
 
     @hybrid_property
     def email(self):
         return self._email
 
     @email.setter
     def email(self, val):
         self._email = val.lower() if val else None
 
 
 class UserIpMap(Base, BaseModel):
     __tablename__ = 'user_ip_map'
     __table_args__ = (
         UniqueConstraint('user_id', 'ip_addr'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     __mapper_args__ = {}
 
     ip_id = Column("ip_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     ip_addr = Column("ip_addr", String(255), nullable=True, unique=False, default=None)
     active = Column("active", Boolean(), nullable=True, unique=None, default=True)
     user = relationship('User', lazy='joined')
 
 
 class UserLog(Base, BaseModel):
     __tablename__ = 'user_logs'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
     user_log_id = Column("user_log_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     username = Column("username", String(255), nullable=True, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True)
     repository_name = Column("repository_name", String(255), nullable=True, unique=None, default=None)
     user_ip = Column("user_ip", String(255), nullable=True, unique=None, default=None)
     action = Column("action", String(1200000), nullable=True, unique=None, default=None)
     action_date = Column("action_date", DateTime(timezone=False), nullable=True, unique=None, default=None)
 
     def __unicode__(self):
         return u"<%s('id:%s:%s')>" % (self.__class__.__name__,
                                       self.repository_name,
                                       self.action)
 
     user = relationship('User')
     repository = relationship('Repository', cascade='')
 
 
 class UserGroup(Base, BaseModel):
     __tablename__ = 'users_groups'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
 
     users_group_id = Column("users_group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_name = Column("users_group_name", String(255), nullable=False, unique=True, default=None)
     users_group_active = Column("users_group_active", Boolean(), nullable=True, unique=None, default=None)
     inherit_default_permissions = Column("users_group_inherit_default_permissions", Boolean(), nullable=False, unique=None, default=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)
 
     members = relationship('UserGroupMember', cascade="all, delete, delete-orphan", lazy="joined")
     users_group_to_perm = relationship('UserGroupToPerm', cascade='all')
     users_group_repo_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
     users_group_repo_group_to_perm = relationship('UserGroupRepoGroupToPerm', cascade='all')
     user_user_group_to_perm = relationship('UserUserGroupToPerm', cascade='all')
     user_group_user_group_to_perm = relationship('UserGroupUserGroupToPerm ', primaryjoin="UserGroupUserGroupToPerm.target_user_group_id==UserGroup.users_group_id", cascade='all')
 
     user = relationship('User')
 
     def __unicode__(self):
         return u"<%s('id:%s:%s')>" % (self.__class__.__name__,
                                       self.users_group_id,
                                       self.users_group_name)
 
     @classmethod
     def get_by_group_name(cls, group_name, cache=False,
                           case_insensitive=False):
         if case_insensitive:
             q = cls.query().filter(cls.users_group_name.ilike(group_name))
         else:
             q = cls.query().filter(cls.users_group_name == group_name)
         if cache:
             q = q.options(FromCache(
                             "sql_cache_short",
                             "get_user_%s" % _hash_key(group_name)
                           )
             )
         return q.scalar()
 
     @classmethod
     def get(cls, user_group_id, cache=False):
         user_group = cls.query()
         if cache:
             user_group = user_group.options(FromCache("sql_cache_short",
                                     "get_users_group_%s" % user_group_id))
         return user_group.get(user_group_id)
 
 
 class UserGroupMember(Base, BaseModel):
     __tablename__ = 'users_groups_members'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
 
     users_group_member_id = Column("users_group_member_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User', lazy='joined')
     users_group = relationship('UserGroup')
 
     def __init__(self, gr_id='', u_id=''):
         self.users_group_id = gr_id
         self.user_id = u_id
 
 
 class RepositoryField(Base, BaseModel):
     __tablename__ = 'repositories_fields'
     __table_args__ = (
         UniqueConstraint('repository_id', 'field_key'),  # no-multi field
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
     PREFIX = 'ex_'  # prefix used in form to not conflict with already existing fields
 
     repo_field_id = Column("repo_field_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
     field_key = Column("field_key", String(250))
     field_label = Column("field_label", String(1024), nullable=False)
     field_value = Column("field_value", String(10000), nullable=False)
     field_desc = Column("field_desc", String(1024), nullable=False)
     field_type = Column("field_type", String(256), nullable=False, unique=None)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     repository = relationship('Repository')
 
     @classmethod
     def get_by_key_name(cls, key, repo):
         row = cls.query()\
                 .filter(cls.repository == repo)\
                 .filter(cls.field_key == key).scalar()
         return row
 
 
 class Repository(Base, BaseModel):
     __tablename__ = 'repositories'
     __table_args__ = (
         UniqueConstraint('repo_name'),
         Index('r_repo_name_idx', 'repo_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
 
     repo_id = Column("repo_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repo_name = Column("repo_name", String(255), nullable=False, unique=True, default=None)
     clone_uri = Column("clone_uri", String(255), nullable=True, unique=False, default=None)
     repo_type = Column("repo_type", String(255), nullable=False, unique=False, default=None)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)
     private = Column("private", Boolean(), nullable=True, unique=None, default=None)
     enable_statistics = Column("statistics", Boolean(), nullable=True, unique=None, default=True)
     enable_downloads = Column("downloads", Boolean(), nullable=True, unique=None, default=True)
     description = Column("description", String(10000), nullable=True, unique=None, default=None)
     created_on = Column('created_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
     updated_on = Column('updated_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
     landing_rev = Column("landing_revision", String(255), nullable=False, unique=False, default=None)
     enable_locking = Column("enable_locking", Boolean(), nullable=False, unique=None, default=False)
     _locked = Column("locked", String(255), nullable=True, unique=False, default=None)
     _changeset_cache = Column("changeset_cache", LargeBinary(), nullable=True) #JSON data
 
     fork_id = Column("fork_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=False, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=False, default=None)
 
     user = relationship('User')
     fork = relationship('Repository', remote_side=repo_id)
     group = relationship('RepoGroup')
     repo_to_perm = relationship('UserRepoToPerm', cascade='all', order_by='UserRepoToPerm.repo_to_perm_id')
     users_group_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
     stats = relationship('Statistics', cascade='all', uselist=False)
 
     followers = relationship('UserFollowing',
                              primaryjoin='UserFollowing.follows_repo_id==Repository.repo_id',
                              cascade='all')
     extra_fields = relationship('RepositoryField',
                                 cascade="all, delete, delete-orphan")
 
     logs = relationship('UserLog')
     comments = relationship('ChangesetComment', cascade="all, delete, delete-orphan")
 
     pull_requests_org = relationship('PullRequest',
                     primaryjoin='PullRequest.org_repo_id==Repository.repo_id',
                     cascade="all, delete, delete-orphan")
 
     pull_requests_other = relationship('PullRequest',
                     primaryjoin='PullRequest.other_repo_id==Repository.repo_id',
                     cascade="all, delete, delete-orphan")
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (self.__class__.__name__, self.repo_id,
                                    safe_unicode(self.repo_name))
 
     @classmethod
     def get_by_repo_name(cls, repo_name):
         q = Session().query(cls).filter(cls.repo_name == repo_name)
         q = q.options(joinedload(Repository.fork))\
             .options(joinedload(Repository.user))\
             .options(joinedload(Repository.group))
         return q.scalar()
 
 
 class RepoGroup(Base, BaseModel):
     __tablename__ = 'groups'
     __table_args__ = (
         UniqueConstraint('group_name', 'group_parent_id'),
-        CheckConstraint('group_id != group_parent_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
     __mapper_args__ = {'order_by': 'group_name'}
 
     group_id = Column("group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     group_name = Column("group_name", String(255), nullable=False, unique=True, default=None)
     group_parent_id = Column("group_parent_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=None, default=None)
     group_description = Column("group_description", String(10000), nullable=True, unique=None, default=None)
     enable_locking = Column("enable_locking", Boolean(), nullable=False, unique=None, default=False)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)
 
     repo_group_to_perm = relationship('UserRepoGroupToPerm', cascade='all', order_by='UserRepoGroupToPerm.group_to_perm_id')
     users_group_to_perm = relationship('UserGroupRepoGroupToPerm', cascade='all')
     parent_group = relationship('RepoGroup', remote_side=group_id)
     user = relationship('User')
 
     def __init__(self, group_name='', parent_group=None):
         self.group_name = group_name
         self.parent_group = parent_group
 
     def __unicode__(self):
         return u"<%s('id:%s:%s')>" % (self.__class__.__name__, self.group_id,
                                       self.group_name)
 
     @classmethod
     def url_sep(cls):
         return URL_SEP
 
     @classmethod
     def get_by_group_name(cls, group_name, cache=False, case_insensitive=False):
         if case_insensitive:
             gr = cls.query()\
                 .filter(cls.group_name.ilike(group_name))
         else:
             gr = cls.query()\
                 .filter(cls.group_name == group_name)
         if cache:
             gr = gr.options(FromCache(
                             "sql_cache_short",
                             "get_group_%s" % _hash_key(group_name)
                             )
             )
         return gr.scalar()
 
 
 class Permission(Base, BaseModel):
     __tablename__ = 'permissions'
     __table_args__ = (
         Index('p_perm_name_idx', 'permission_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
     PERMS = [
         ('hg.admin', _('RhodeCode Administrator')),
 
         ('repository.none', _('Repository no access')),
         ('repository.read', _('Repository read access')),
         ('repository.write', _('Repository write access')),
         ('repository.admin', _('Repository admin access')),
 
         ('group.none', _('Repository group no access')),
         ('group.read', _('Repository group read access')),
         ('group.write', _('Repository group write access')),
         ('group.admin', _('Repository group admin access')),
 
         ('usergroup.none', _('User group no access')),
         ('usergroup.read', _('User group read access')),
         ('usergroup.write', _('User group write access')),
         ('usergroup.admin', _('User group admin access')),
 
         ('hg.repogroup.create.false', _('Repository Group creation disabled')),
         ('hg.repogroup.create.true', _('Repository Group creation enabled')),
 
         ('hg.usergroup.create.false', _('User Group creation disabled')),
         ('hg.usergroup.create.true', _('User Group creation enabled')),
 
         ('hg.create.none', _('Repository creation disabled')),
         ('hg.create.repository', _('Repository creation enabled')),
 
         ('hg.fork.none', _('Repository forking disabled')),
         ('hg.fork.repository', _('Repository forking enabled')),
 
         ('hg.register.none', _('Registration disabled')),
         ('hg.register.manual_activate', _('User Registration with manual account activation')),
         ('hg.register.auto_activate', _('User Registration with automatic account activation')),
 
         ('hg.extern_activate.manual', _('Manual activation of external account')),
         ('hg.extern_activate.auto', _('Automatic activation of external account')),
 
     ]
 
     #definition of system default permissions for DEFAULT user
     DEFAULT_USER_PERMISSIONS = [
         'repository.read',
         'group.read',
         'usergroup.read',
         'hg.create.repository',
         'hg.fork.repository',
         'hg.register.manual_activate',
         'hg.extern_activate.auto',
     ]
 
     # defines which permissions are more important higher the more important
     # Weight defines which permissions are more important.
     # The higher number the more important.
     PERM_WEIGHTS = {
         'repository.none': 0,
         'repository.read': 1,
         'repository.write': 3,
         'repository.admin': 4,
 
         'group.none': 0,
         'group.read': 1,
         'group.write': 3,
         'group.admin': 4,
 
         'usergroup.none': 0,
         'usergroup.read': 1,
         'usergroup.write': 3,
         'usergroup.admin': 4,
         'hg.repogroup.create.false': 0,
         'hg.repogroup.create.true': 1,
 
         'hg.usergroup.create.false': 0,
         'hg.usergroup.create.true': 1,
 
         'hg.fork.none': 0,
         'hg.fork.repository': 1,
         'hg.create.none': 0,
         'hg.create.repository': 1
     }
 
     permission_id = Column("permission_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     permission_name = Column("permission_name", String(255), nullable=True, unique=None, default=None)
     permission_longname = Column("permission_longname", String(255), nullable=True, unique=None, default=None)
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (
             self.__class__.__name__, self.permission_id, self.permission_name
         )
 
     @classmethod
     def get_by_key(cls, key):
         return cls.query().filter(cls.permission_name == key).scalar()
 
 
 class UserRepoToPerm(Base, BaseModel):
     __tablename__ = 'repo_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'repository_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     repo_to_perm_id = Column("repo_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     repository = relationship('Repository')
     permission = relationship('Permission')
 
     def __unicode__(self):
         return u'<%s => %s >' % (self.user, self.repository)
 
 
 class UserUserGroupToPerm(Base, BaseModel):
     __tablename__ = 'user_user_group_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'user_group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     user_user_group_to_perm_id = Column("user_user_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     user_group_id = Column("user_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     user_group = relationship('UserGroup')
     permission = relationship('Permission')
 
     def __unicode__(self):
         return u'<%s => %s >' % (self.user, self.user_group)
 
 
 class UserToPerm(Base, BaseModel):
     __tablename__ = 'user_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     user_to_perm_id = Column("user_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     permission = relationship('Permission', lazy='joined')
 
     def __unicode__(self):
         return u'<%s => %s >' % (self.user, self.permission)
 
 
 class UserGroupRepoToPerm(Base, BaseModel):
     __tablename__ = 'users_group_repo_to_perm'
     __table_args__ = (
         UniqueConstraint('repository_id', 'users_group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
     repository = relationship('Repository')
 
     def __unicode__(self):
         return u'<UserGroupRepoToPerm:%s => %s >' % (self.users_group, self.repository)
 
 
 class UserGroupUserGroupToPerm(Base, BaseModel):
     __tablename__ = 'user_group_user_group_to_perm'
     __table_args__ = (
         UniqueConstraint('target_user_group_id', 'user_group_id', 'permission_id'),
         CheckConstraint('target_user_group_id != user_group_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     user_group_user_group_to_perm_id = Column("user_group_user_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     target_user_group_id = Column("target_user_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     user_group_id = Column("user_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
 
     target_user_group = relationship('UserGroup', primaryjoin='UserGroupUserGroupToPerm.target_user_group_id==UserGroup.users_group_id')
     user_group = relationship('UserGroup', primaryjoin='UserGroupUserGroupToPerm.user_group_id==UserGroup.users_group_id')
     permission = relationship('Permission')
 
     def __unicode__(self):
         return u'<UserGroupUserGroup:%s => %s >' % (self.target_user_group, self.user_group)
 
 
 class UserGroupToPerm(Base, BaseModel):
     __tablename__ = 'users_group_to_perm'
     __table_args__ = (
         UniqueConstraint('users_group_id', 'permission_id',),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
 
 
 class UserRepoGroupToPerm(Base, BaseModel):
     __tablename__ = 'user_repo_group_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
 
     group_to_perm_id = Column("group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     group = relationship('RepoGroup')
     permission = relationship('Permission')
 
 
 class UserGroupRepoGroupToPerm(Base, BaseModel):
     __tablename__ = 'users_group_repo_group_to_perm'
     __table_args__ = (
         UniqueConstraint('users_group_id', 'group_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
 
     users_group_repo_group_to_perm_id = Column("users_group_repo_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
     group = relationship('RepoGroup')
 
 
 class Statistics(Base, BaseModel):
     __tablename__ = 'statistics'
     __table_args__ = (
          UniqueConstraint('repository_id'),
          {'extend_existing': True, 'mysql_engine': 'InnoDB',
           'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     stat_id = Column("stat_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=True, default=None)
     stat_on_revision = Column("stat_on_revision", Integer(), nullable=False)
     commit_activity = Column("commit_activity", LargeBinary(1000000), nullable=False)#JSON data
     commit_activity_combined = Column("commit_activity_combined", LargeBinary(), nullable=False)#JSON data
     languages = Column("languages", LargeBinary(1000000), nullable=False)#JSON data
 
     repository = relationship('Repository', single_parent=True)
 
 
 class UserFollowing(Base, BaseModel):
     __tablename__ = 'user_followings'
     __table_args__ = (
         UniqueConstraint('user_id', 'follows_repository_id'),
         UniqueConstraint('user_id', 'follows_user_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
 
     user_following_id = Column("user_following_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     follows_repo_id = Column("follows_repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=None, default=None)
     follows_user_id = Column("follows_user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     follows_from = Column('follows_from', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
 
     user = relationship('User', primaryjoin='User.user_id==UserFollowing.user_id')
 
     follows_user = relationship('User', primaryjoin='User.user_id==UserFollowing.follows_user_id')
     follows_repository = relationship('Repository', order_by='Repository.repo_name')
 
 
 class CacheInvalidation(Base, BaseModel):
     __tablename__ = 'cache_invalidation'
     __table_args__ = (
         UniqueConstraint('cache_key'),
         Index('key_idx', 'cache_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
     cache_id = Column("cache_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     cache_key = Column("cache_key", String(255), nullable=True, unique=None, default=None)
     cache_args = Column("cache_args", String(255), nullable=True, unique=None, default=None)
     cache_active = Column("cache_active", Boolean(), nullable=True, unique=None, default=False)
 
     def __init__(self, cache_key, cache_args=''):
         self.cache_key = cache_key
         self.cache_args = cache_args
         self.cache_active = False
 
 
 class ChangesetComment(Base, BaseModel):
     __tablename__ = 'changeset_comments'
     __table_args__ = (
         Index('cc_revision_idx', 'revision'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
     comment_id = Column('comment_id', Integer(), nullable=False, primary_key=True)
     repo_id = Column('repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     revision = Column('revision', String(40), nullable=True)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=True)
     line_no = Column('line_no', Unicode(10), nullable=True)
     hl_lines = Column('hl_lines', Unicode(512), nullable=True)
     f_path = Column('f_path', Unicode(1000), nullable=True)
     user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=False)
     text = Column('text', UnicodeText().with_variant(UnicodeText(25000), 'mysql'), nullable=False)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     modified_at = Column('modified_at', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     author = relationship('User', lazy='joined')
     repo = relationship('Repository')
     status_change = relationship('ChangesetStatus', cascade="all, delete, delete-orphan")
     pull_request = relationship('PullRequest', lazy='joined')
 
 
 class ChangesetStatus(Base, BaseModel):
     __tablename__ = 'changeset_statuses'
     __table_args__ = (
         Index('cs_revision_idx', 'revision'),
         Index('cs_version_idx', 'version'),
         UniqueConstraint('repo_id', 'revision', 'version'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     STATUS_NOT_REVIEWED = DEFAULT = 'not_reviewed'
     STATUS_APPROVED = 'approved'
     STATUS_REJECTED = 'rejected'
     STATUS_UNDER_REVIEW = 'under_review'
 
     STATUSES = [
         (STATUS_NOT_REVIEWED, _("Not Reviewed")),  # (no icon) and default
         (STATUS_APPROVED, _("Approved")),
         (STATUS_REJECTED, _("Rejected")),
         (STATUS_UNDER_REVIEW, _("Under Review")),
     ]
 
     changeset_status_id = Column('changeset_status_id', Integer(), nullable=False, primary_key=True)
     repo_id = Column('repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None)
     revision = Column('revision', String(40), nullable=False)
     status = Column('status', String(128), nullable=False, default=DEFAULT)
     changeset_comment_id = Column('changeset_comment_id', Integer(), ForeignKey('changeset_comments.comment_id'))
     modified_at = Column('modified_at', DateTime(), nullable=False, default=datetime.datetime.now)
     version = Column('version', Integer(), nullable=False, default=0)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=True)
 
     author = relationship('User', lazy='joined')
     repo = relationship('Repository')
     comment = relationship('ChangesetComment', lazy='joined')
     pull_request = relationship('PullRequest', lazy='joined')
 
 
 
 class PullRequest(Base, BaseModel):
     __tablename__ = 'pull_requests'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
 
     STATUS_NEW = u'new'
     STATUS_OPEN = u'open'
     STATUS_CLOSED = u'closed'
 
     pull_request_id = Column('pull_request_id', Integer(), nullable=False, primary_key=True)
     title = Column('title', Unicode(256), nullable=True)
     description = Column('description', UnicodeText().with_variant(UnicodeText(10240), 'mysql'), nullable=True)
     status = Column('status', Unicode(256), nullable=False, default=STATUS_NEW)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     updated_on = Column('updated_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None)
     _revisions = Column('revisions', UnicodeText().with_variant(UnicodeText(20500), 'mysql'))
     org_repo_id = Column('org_repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     org_ref = Column('org_ref', Unicode(256), nullable=False)
     other_repo_id = Column('other_repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     other_ref = Column('other_ref', Unicode(256), nullable=False)
 
     author = relationship('User', lazy='joined')
     reviewers = relationship('PullRequestReviewers',
                              cascade="all, delete, delete-orphan")
     org_repo = relationship('Repository', primaryjoin='PullRequest.org_repo_id==Repository.repo_id')
     other_repo = relationship('Repository', primaryjoin='PullRequest.other_repo_id==Repository.repo_id')
     statuses = relationship('ChangesetStatus')
     comments = relationship('ChangesetComment',
                              cascade="all, delete, delete-orphan")
 
 
 class PullRequestReviewers(Base, BaseModel):
     __tablename__ = 'pull_request_reviewers'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
 
     def __init__(self, user=None, pull_request=None):
         self.user = user
         self.pull_request = pull_request
 
     pull_requests_reviewers_id = Column('pull_requests_reviewers_id', Integer(), nullable=False, primary_key=True)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=False)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True)
 
     user = relationship('User')
     pull_request = relationship('PullRequest')
 
 
 class Notification(Base, BaseModel):
     __tablename__ = 'notifications'
     __table_args__ = (
         Index('notification_type_idx', 'type'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
 
     TYPE_CHANGESET_COMMENT = u'cs_comment'
     TYPE_MESSAGE = u'message'
     TYPE_MENTION = u'mention'
     TYPE_REGISTRATION = u'registration'
     TYPE_PULL_REQUEST = u'pull_request'
     TYPE_PULL_REQUEST_COMMENT = u'pull_request_comment'
 
     notification_id = Column('notification_id', Integer(), nullable=False, primary_key=True)
     subject = Column('subject', Unicode(512), nullable=True)
     body = Column('body', UnicodeText().with_variant(UnicodeText(50000), 'mysql'), nullable=True)
     created_by = Column("created_by", Integer(), ForeignKey('users.user_id'), nullable=True)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     type_ = Column('type', Unicode(256))
 
     created_by_user = relationship('User')
     notifications_to_users = relationship('UserNotification', lazy='joined',
                                           cascade="all, delete, delete-orphan")
 
 
 class UserNotification(Base, BaseModel):
     __tablename__ = 'user_to_notification'
     __table_args__ = (
         UniqueConstraint('user_id', 'notification_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), primary_key=True)
     notification_id = Column("notification_id", Integer(), ForeignKey('notifications.notification_id'), primary_key=True)
     read = Column('read', Boolean, default=False)
     sent_on = Column('sent_on', DateTime(timezone=False), nullable=True, unique=None)
 
     user = relationship('User', lazy="joined")
     notification = relationship('Notification', lazy="joined",
                                 order_by=lambda: Notification.created_on.desc(),)
 
 
 class Gist(Base, BaseModel):
     __tablename__ = 'gists'
     __table_args__ = (
         Index('g_gist_access_id_idx', 'gist_access_id'),
         Index('g_created_on_idx', 'created_on'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     GIST_PUBLIC = u'public'
     GIST_PRIVATE = u'private'
 
     gist_id = Column('gist_id', Integer(), primary_key=True)
     gist_access_id = Column('gist_access_id', Unicode(250))
     gist_description = Column('gist_description', UnicodeText().with_variant(UnicodeText(1024), 'mysql'))
     gist_owner = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=True)
     gist_expires = Column('gist_expires', Float(53), nullable=False)
     gist_type = Column('gist_type', Unicode(128), nullable=False)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     modified_at = Column('modified_at', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     owner = relationship('User')
 
 
 class DbMigrateVersion(Base, BaseModel):
     __tablename__ = 'db_migrate_version'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
     repository_id = Column('repository_id', String(250), primary_key=True)
     repository_path = Column('repository_path', Text)
     version = Column('version', Integer)

rhodecode/lib/dbmigrate/schema/db_2_0_0.py

@@ -1,1171 +1,1170 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2010-2019 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 import os
 import time
 import logging
 import datetime
 import traceback
 import hashlib
 import collections
 import functools
 
 from sqlalchemy import *
 from sqlalchemy.ext.hybrid import hybrid_property
 from sqlalchemy.orm import relationship, joinedload, class_mapper, validates
 from sqlalchemy.exc import DatabaseError
 from beaker.cache import cache_region, region_invalidate
 from webob.exc import HTTPNotFound
 
 from rhodecode.translation import _
 
 from rhodecode.lib.vcs import get_backend
 from rhodecode.lib.vcs.utils.helpers import get_scm
 from rhodecode.lib.vcs.exceptions import VCSError
 from zope.cachedescriptors.property import Lazy as LazyProperty
 from rhodecode.lib.vcs.backends.base import EmptyCommit
 
 from rhodecode.lib.utils2 import str2bool, safe_str, get_commit_safe, \
     safe_unicode, remove_prefix, time_to_datetime, aslist, Optional, safe_int
 from rhodecode.lib.ext_json import json
 from rhodecode.lib.caching_query import FromCache
 
 from rhodecode.model.meta import Base, Session
 
 URL_SEP = '/'
 log = logging.getLogger(__name__)
 
 #==============================================================================
 # BASE CLASSES
 #==============================================================================
 
 _hash_key = lambda k: hashlib.md5(safe_str(k)).hexdigest()
 
 
 class BaseModel(object):
     """
     Base Model for all classes
     """
 
     @classmethod
     def _get_keys(cls):
         """return column names for this model """
         return class_mapper(cls).c.keys()
 
     def get_dict(self):
         """
         return dict with keys and values corresponding
         to this model data """
 
         d = {}
         for k in self._get_keys():
             d[k] = getattr(self, k)
 
         # also use __json__() if present to get additional fields
         _json_attr = getattr(self, '__json__', None)
         if _json_attr:
             # update with attributes from __json__
             if callable(_json_attr):
                 _json_attr = _json_attr()
             for k, val in _json_attr.iteritems():
                 d[k] = val
         return d
 
     def get_appstruct(self):
         """return list with keys and values tupples corresponding
         to this model data """
 
         l = []
         for k in self._get_keys():
             l.append((k, getattr(self, k),))
         return l
 
     def populate_obj(self, populate_dict):
         """populate model with data from given populate_dict"""
 
         for k in self._get_keys():
             if k in populate_dict:
                 setattr(self, k, populate_dict[k])
 
     @classmethod
     def query(cls):
         return Session().query(cls)
 
     @classmethod
     def get(cls, id_):
         if id_:
             return cls.query().get(id_)
 
     @classmethod
     def get_or_404(cls, id_):
         try:
             id_ = int(id_)
         except (TypeError, ValueError):
             raise HTTPNotFound
 
         res = cls.query().get(id_)
         if not res:
             raise HTTPNotFound
         return res
 
     @classmethod
     def getAll(cls):
         # deprecated and left for backward compatibility
         return cls.get_all()
 
     @classmethod
     def get_all(cls):
         return cls.query().all()
 
     @classmethod
     def delete(cls, id_):
         obj = cls.query().get(id_)
         Session().delete(obj)
 
     def __repr__(self):
         if hasattr(self, '__unicode__'):
             # python repr needs to return str
             return safe_str(self.__unicode__())
         return '<DB:%s>' % (self.__class__.__name__)
 
 
 class RhodeCodeSetting(Base, BaseModel):
     SETTINGS_TYPES = {
         'str': safe_str,
         'int': safe_int,
         'unicode': safe_unicode,
         'bool': str2bool,
         'list': functools.partial(aslist, sep=',')
     }
     __tablename__ = 'rhodecode_settings'
     __table_args__ = (
         UniqueConstraint('app_settings_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     app_settings_id = Column("app_settings_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     app_settings_name = Column("app_settings_name", String(255), nullable=True, unique=None, default=None)
     _app_settings_value = Column("app_settings_value", String(4096), nullable=True, unique=None, default=None)
     _app_settings_type = Column("app_settings_type", String(255), nullable=True, unique=None, default=None)
 
     def __init__(self, key='', val='', type='unicode'):
         self.app_settings_name = key
         self.app_settings_value = val
         self.app_settings_type = type
 
     @validates('_app_settings_value')
     def validate_settings_value(self, key, val):
         assert type(val) == unicode
         return val
 
     @hybrid_property
     def app_settings_value(self):
         v = self._app_settings_value
         _type = self.app_settings_type
         converter = self.SETTINGS_TYPES.get(_type) or self.SETTINGS_TYPES['unicode']
         return converter(v)
 
     @app_settings_value.setter
     def app_settings_value(self, val):
         """
         Setter that will always make sure we use unicode in app_settings_value
 
         :param val:
         """
         self._app_settings_value = safe_unicode(val)
 
     @hybrid_property
     def app_settings_type(self):
         return self._app_settings_type
 
     @app_settings_type.setter
     def app_settings_type(self, val):
         if val not in self.SETTINGS_TYPES:
             raise Exception('type must be one of %s got %s'
                             % (self.SETTINGS_TYPES.keys(), val))
         self._app_settings_type = val
 
     def __unicode__(self):
         return u"<%s('%s:%s[%s]')>" % (
             self.__class__.__name__,
             self.app_settings_name, self.app_settings_value, self.app_settings_type
         )
 
 
 class RhodeCodeUi(Base, BaseModel):
     __tablename__ = 'rhodecode_ui'
     __table_args__ = (
         UniqueConstraint('ui_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
 
     HOOK_REPO_SIZE = 'changegroup.repo_size'
     HOOK_PUSH = 'changegroup.push_logger'
     HOOK_PRE_PUSH = 'prechangegroup.pre_push'
     HOOK_PULL = 'outgoing.pull_logger'
     HOOK_PRE_PULL = 'preoutgoing.pre_pull'
 
     ui_id = Column("ui_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     ui_section = Column("ui_section", String(255), nullable=True, unique=None, default=None)
     ui_key = Column("ui_key", String(255), nullable=True, unique=None, default=None)
     ui_value = Column("ui_value", String(255), nullable=True, unique=None, default=None)
     ui_active = Column("ui_active", Boolean(), nullable=True, unique=None, default=True)
 
 
 
 class User(Base, BaseModel):
     __tablename__ = 'users'
     __table_args__ = (
         UniqueConstraint('username'), UniqueConstraint('email'),
         Index('u_username_idx', 'username'),
         Index('u_email_idx', 'email'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     DEFAULT_USER = 'default'
 
     user_id = Column("user_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     username = Column("username", String(255), nullable=True, unique=None, default=None)
     password = Column("password", String(255), nullable=True, unique=None, default=None)
     active = Column("active", Boolean(), nullable=True, unique=None, default=True)
     admin = Column("admin", Boolean(), nullable=True, unique=None, default=False)
     name = Column("firstname", String(255), nullable=True, unique=None, default=None)
     lastname = Column("lastname", String(255), nullable=True, unique=None, default=None)
     _email = Column("email", String(255), nullable=True, unique=None, default=None)
     last_login = Column("last_login", DateTime(timezone=False), nullable=True, unique=None, default=None)
     extern_type = Column("extern_type", String(255), nullable=True, unique=None, default=None)
     extern_name = Column("extern_name", String(255), nullable=True, unique=None, default=None)
     #for migration reasons, this is going to be later deleted
     ldap_dn = Column("ldap_dn", String(255), nullable=True, unique=None, default=None)
 
     api_key = Column("api_key", String(255), nullable=True, unique=None, default=None)
     inherit_default_permissions = Column("inherit_default_permissions", Boolean(), nullable=False, unique=None, default=True)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     user_log = relationship('UserLog')
     user_perms = relationship('UserToPerm', primaryjoin="User.user_id==UserToPerm.user_id", cascade='all')
 
     repositories = relationship('Repository')
     user_followers = relationship('UserFollowing', primaryjoin='UserFollowing.follows_user_id==User.user_id', cascade='all')
     followings = relationship('UserFollowing', primaryjoin='UserFollowing.user_id==User.user_id', cascade='all')
 
     repo_to_perm = relationship('UserRepoToPerm', primaryjoin='UserRepoToPerm.user_id==User.user_id', cascade='all')
     repo_group_to_perm = relationship('UserRepoGroupToPerm', primaryjoin='UserRepoGroupToPerm.user_id==User.user_id', cascade='all')
 
     group_member = relationship('UserGroupMember', cascade='all')
 
     notifications = relationship('UserNotification', cascade='all')
     # notifications assigned to this user
     user_created_notifications = relationship('Notification', cascade='all')
     # comments created by this user
     user_comments = relationship('ChangesetComment', cascade='all')
     user_emails = relationship('UserEmailMap', cascade='all')
 
     @hybrid_property
     def email(self):
         return self._email
 
     @email.setter
     def email(self, val):
         self._email = val.lower() if val else None
 
     @property
     def firstname(self):
         # alias for future
         return self.name
 
     @property
     def username_and_name(self):
         return '%s (%s %s)' % (self.username, self.firstname, self.lastname)
 
     @property
     def full_name(self):
         return '%s %s' % (self.firstname, self.lastname)
 
     @property
     def full_contact(self):
         return '%s %s <%s>' % (self.firstname, self.lastname, self.email)
 
     @property
     def short_contact(self):
         return '%s %s' % (self.firstname, self.lastname)
 
     @property
     def is_admin(self):
         return self.admin
 
     @classmethod
     def get_by_username(cls, username, case_insensitive=False, cache=False):
         if case_insensitive:
             q = cls.query().filter(cls.username.ilike(username))
         else:
             q = cls.query().filter(cls.username == username)
 
         if cache:
             q = q.options(FromCache(
                             "sql_cache_short",
                             "get_user_%s" % _hash_key(username)
                           )
             )
         return q.scalar()
 
     @classmethod
     def get_by_auth_token(cls, auth_token, cache=False):
         q = cls.query().filter(cls.api_key == auth_token)
 
         if cache:
             q = q.options(FromCache("sql_cache_short",
                                     "get_auth_token_%s" % auth_token))
         return q.scalar()
 
     @classmethod
     def get_by_email(cls, email, case_insensitive=False, cache=False):
         if case_insensitive:
             q = cls.query().filter(cls.email.ilike(email))
         else:
             q = cls.query().filter(cls.email == email)
 
         if cache:
             q = q.options(FromCache("sql_cache_short",
                                     "get_email_key_%s" % email))
 
         ret = q.scalar()
         if ret is None:
             q = UserEmailMap.query()
             # try fetching in alternate email map
             if case_insensitive:
                 q = q.filter(UserEmailMap.email.ilike(email))
             else:
                 q = q.filter(UserEmailMap.email == email)
             q = q.options(joinedload(UserEmailMap.user))
             if cache:
                 q = q.options(FromCache("sql_cache_short",
                                         "get_email_map_key_%s" % email))
             ret = getattr(q.scalar(), 'user', None)
 
         return ret
 
     @classmethod
     def get_first_admin(cls):
         user = User.query().filter(User.admin == True).first()
         if user is None:
             raise Exception('Missing administrative account!')
         return user
 
     @classmethod
     def get_default_user(cls, cache=False):
         user = User.get_by_username(User.DEFAULT_USER, cache=cache)
         if user is None:
             raise Exception('Missing default account!')
         return user
 
 
 
 
 class UserEmailMap(Base, BaseModel):
     __tablename__ = 'user_email_map'
     __table_args__ = (
         Index('uem_email_idx', 'email'),
         UniqueConstraint('email'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     __mapper_args__ = {}
 
     email_id = Column("email_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     _email = Column("email", String(255), nullable=True, unique=False, default=None)
     user = relationship('User', lazy='joined')
 
     @validates('_email')
     def validate_email(self, key, email):
         # check if this email is not main one
         main_email = Session().query(User).filter(User.email == email).scalar()
         if main_email is not None:
             raise AttributeError('email %s is present is user table' % email)
         return email
 
     @hybrid_property
     def email(self):
         return self._email
 
     @email.setter
     def email(self, val):
         self._email = val.lower() if val else None
 
 
 class UserIpMap(Base, BaseModel):
     __tablename__ = 'user_ip_map'
     __table_args__ = (
         UniqueConstraint('user_id', 'ip_addr'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     __mapper_args__ = {}
 
     ip_id = Column("ip_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     ip_addr = Column("ip_addr", String(255), nullable=True, unique=False, default=None)
     active = Column("active", Boolean(), nullable=True, unique=None, default=True)
     user = relationship('User', lazy='joined')
 
 
 class UserLog(Base, BaseModel):
     __tablename__ = 'user_logs'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
     user_log_id = Column("user_log_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     username = Column("username", String(255), nullable=True, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True)
     repository_name = Column("repository_name", String(255), nullable=True, unique=None, default=None)
     user_ip = Column("user_ip", String(255), nullable=True, unique=None, default=None)
     action = Column("action", String(1200000), nullable=True, unique=None, default=None)
     action_date = Column("action_date", DateTime(timezone=False), nullable=True, unique=None, default=None)
 
     def __unicode__(self):
         return u"<%s('id:%s:%s')>" % (self.__class__.__name__,
                                       self.repository_name,
                                       self.action)
 
     user = relationship('User')
     repository = relationship('Repository', cascade='')
 
 
 class UserGroup(Base, BaseModel):
     __tablename__ = 'users_groups'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
 
     users_group_id = Column("users_group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_name = Column("users_group_name", String(255), nullable=False, unique=True, default=None)
     user_group_description = Column("user_group_description", String(10000), nullable=True, unique=None, default=None)
     users_group_active = Column("users_group_active", Boolean(), nullable=True, unique=None, default=None)
     inherit_default_permissions = Column("users_group_inherit_default_permissions", Boolean(), nullable=False, unique=None, default=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     # don't trigger lazy load for migrations
     #members = relationship('UserGroupMember', cascade="all, delete, delete-orphan", lazy="joined")
     users_group_to_perm = relationship('UserGroupToPerm', cascade='all')
     users_group_repo_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
     users_group_repo_group_to_perm = relationship('UserGroupRepoGroupToPerm', cascade='all')
     user_user_group_to_perm = relationship('UserUserGroupToPerm', cascade='all')
     user_group_user_group_to_perm = relationship('UserGroupUserGroupToPerm ', primaryjoin="UserGroupUserGroupToPerm.target_user_group_id==UserGroup.users_group_id", cascade='all')
 
     user = relationship('User')
 
     def __unicode__(self):
         return u"<%s('id:%s:%s')>" % (self.__class__.__name__,
                                       self.users_group_id,
                                       self.users_group_name)
 
     @classmethod
     def get_by_group_name(cls, group_name, cache=False,
                           case_insensitive=False):
         if case_insensitive:
             q = cls.query().filter(cls.users_group_name.ilike(group_name))
         else:
             q = cls.query().filter(cls.users_group_name == group_name)
         if cache:
             q = q.options(FromCache(
                             "sql_cache_short",
                             "get_user_%s" % _hash_key(group_name)
                           )
             )
         return q.scalar()
 
     @classmethod
     def get(cls, user_group_id, cache=False):
         user_group = cls.query()
         if cache:
             user_group = user_group.options(FromCache("sql_cache_short",
                                     "get_users_group_%s" % user_group_id))
         return user_group.get(user_group_id)
 
 
 class UserGroupMember(Base, BaseModel):
     __tablename__ = 'users_groups_members'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
 
     users_group_member_id = Column("users_group_member_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User', lazy='joined')
     users_group = relationship('UserGroup')
 
     def __init__(self, gr_id='', u_id=''):
         self.users_group_id = gr_id
         self.user_id = u_id
 
 
 class RepositoryField(Base, BaseModel):
     __tablename__ = 'repositories_fields'
     __table_args__ = (
         UniqueConstraint('repository_id', 'field_key'),  # no-multi field
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
     PREFIX = 'ex_'  # prefix used in form to not conflict with already existing fields
 
     repo_field_id = Column("repo_field_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
     field_key = Column("field_key", String(250))
     field_label = Column("field_label", String(1024), nullable=False)
     field_value = Column("field_value", String(10000), nullable=False)
     field_desc = Column("field_desc", String(1024), nullable=False)
     field_type = Column("field_type", String(256), nullable=False, unique=None)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     repository = relationship('Repository')
 
     @classmethod
     def get_by_key_name(cls, key, repo):
         row = cls.query()\
                 .filter(cls.repository == repo)\
                 .filter(cls.field_key == key).scalar()
         return row
 
 
 class Repository(Base, BaseModel):
     __tablename__ = 'repositories'
     __table_args__ = (
         UniqueConstraint('repo_name'),
         Index('r_repo_name_idx', 'repo_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
 
     repo_id = Column("repo_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repo_name = Column("repo_name", String(255), nullable=False, unique=True, default=None)
     clone_uri = Column("clone_uri", String(255), nullable=True, unique=False, default=None)
     repo_type = Column("repo_type", String(255), nullable=False, unique=False, default=None)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)
     private = Column("private", Boolean(), nullable=True, unique=None, default=None)
     enable_statistics = Column("statistics", Boolean(), nullable=True, unique=None, default=True)
     enable_downloads = Column("downloads", Boolean(), nullable=True, unique=None, default=True)
     description = Column("description", String(10000), nullable=True, unique=None, default=None)
     created_on = Column('created_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
     updated_on = Column('updated_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
     landing_rev = Column("landing_revision", String(255), nullable=False, unique=False, default=None)
     enable_locking = Column("enable_locking", Boolean(), nullable=False, unique=None, default=False)
     _locked = Column("locked", String(255), nullable=True, unique=False, default=None)
     _changeset_cache = Column("changeset_cache", LargeBinary(), nullable=True) #JSON data
 
     fork_id = Column("fork_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=False, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=False, default=None)
 
     user = relationship('User')
     fork = relationship('Repository', remote_side=repo_id)
     group = relationship('RepoGroup')
     repo_to_perm = relationship('UserRepoToPerm', cascade='all', order_by='UserRepoToPerm.repo_to_perm_id')
     users_group_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
     stats = relationship('Statistics', cascade='all', uselist=False)
 
     followers = relationship('UserFollowing',
                              primaryjoin='UserFollowing.follows_repo_id==Repository.repo_id',
                              cascade='all')
     extra_fields = relationship('RepositoryField',
                                 cascade="all, delete, delete-orphan")
 
     logs = relationship('UserLog')
     comments = relationship('ChangesetComment', cascade="all, delete, delete-orphan")
 
     pull_requests_org = relationship('PullRequest',
                     primaryjoin='PullRequest.org_repo_id==Repository.repo_id',
                     cascade="all, delete, delete-orphan")
 
     pull_requests_other = relationship('PullRequest',
                     primaryjoin='PullRequest.other_repo_id==Repository.repo_id',
                     cascade="all, delete, delete-orphan")
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (self.__class__.__name__, self.repo_id,
                                    safe_unicode(self.repo_name))
 
     @classmethod
     def get_by_repo_name(cls, repo_name):
         q = Session().query(cls).filter(cls.repo_name == repo_name)
         q = q.options(joinedload(Repository.fork))\
             .options(joinedload(Repository.user))\
             .options(joinedload(Repository.group))
         return q.scalar()
 
 
 class RepoGroup(Base, BaseModel):
     __tablename__ = 'groups'
     __table_args__ = (
         UniqueConstraint('group_name', 'group_parent_id'),
-        CheckConstraint('group_id != group_parent_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
     __mapper_args__ = {'order_by': 'group_name'}
 
     group_id = Column("group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     group_name = Column("group_name", String(255), nullable=False, unique=True, default=None)
     group_parent_id = Column("group_parent_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=None, default=None)
     group_description = Column("group_description", String(10000), nullable=True, unique=None, default=None)
     enable_locking = Column("enable_locking", Boolean(), nullable=False, unique=None, default=False)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)
 
     repo_group_to_perm = relationship('UserRepoGroupToPerm', cascade='all', order_by='UserRepoGroupToPerm.group_to_perm_id')
     users_group_to_perm = relationship('UserGroupRepoGroupToPerm', cascade='all')
     parent_group = relationship('RepoGroup', remote_side=group_id)
     user = relationship('User')
 
     def __init__(self, group_name='', parent_group=None):
         self.group_name = group_name
         self.parent_group = parent_group
 
     def __unicode__(self):
         return u"<%s('id:%s:%s')>" % (self.__class__.__name__, self.group_id,
                                       self.group_name)
 
     @classmethod
     def url_sep(cls):
         return URL_SEP
 
     @classmethod
     def get_by_group_name(cls, group_name, cache=False, case_insensitive=False):
         if case_insensitive:
             gr = cls.query()\
                 .filter(cls.group_name.ilike(group_name))
         else:
             gr = cls.query()\
                 .filter(cls.group_name == group_name)
         if cache:
             gr = gr.options(FromCache(
                             "sql_cache_short",
                             "get_group_%s" % _hash_key(group_name)
                             )
             )
         return gr.scalar()
 
 
 class Permission(Base, BaseModel):
     __tablename__ = 'permissions'
     __table_args__ = (
         Index('p_perm_name_idx', 'permission_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
     PERMS = [
         ('hg.admin', _('RhodeCode Administrator')),
 
         ('repository.none', _('Repository no access')),
         ('repository.read', _('Repository read access')),
         ('repository.write', _('Repository write access')),
         ('repository.admin', _('Repository admin access')),
 
         ('group.none', _('Repository group no access')),
         ('group.read', _('Repository group read access')),
         ('group.write', _('Repository group write access')),
         ('group.admin', _('Repository group admin access')),
 
         ('usergroup.none', _('User group no access')),
         ('usergroup.read', _('User group read access')),
         ('usergroup.write', _('User group write access')),
         ('usergroup.admin', _('User group admin access')),
 
         ('hg.repogroup.create.false', _('Repository Group creation disabled')),
         ('hg.repogroup.create.true', _('Repository Group creation enabled')),
 
         ('hg.usergroup.create.false', _('User Group creation disabled')),
         ('hg.usergroup.create.true', _('User Group creation enabled')),
 
         ('hg.create.none', _('Repository creation disabled')),
         ('hg.create.repository', _('Repository creation enabled')),
 
         ('hg.fork.none', _('Repository forking disabled')),
         ('hg.fork.repository', _('Repository forking enabled')),
 
         ('hg.register.none', _('Registration disabled')),
         ('hg.register.manual_activate', _('User Registration with manual account activation')),
         ('hg.register.auto_activate', _('User Registration with automatic account activation')),
 
         ('hg.extern_activate.manual', _('Manual activation of external account')),
         ('hg.extern_activate.auto', _('Automatic activation of external account')),
 
     ]
 
     #definition of system default permissions for DEFAULT user
     DEFAULT_USER_PERMISSIONS = [
         'repository.read',
         'group.read',
         'usergroup.read',
         'hg.create.repository',
         'hg.fork.repository',
         'hg.register.manual_activate',
         'hg.extern_activate.auto',
     ]
 
     # defines which permissions are more important higher the more important
     # Weight defines which permissions are more important.
     # The higher number the more important.
     PERM_WEIGHTS = {
         'repository.none': 0,
         'repository.read': 1,
         'repository.write': 3,
         'repository.admin': 4,
 
         'group.none': 0,
         'group.read': 1,
         'group.write': 3,
         'group.admin': 4,
 
         'usergroup.none': 0,
         'usergroup.read': 1,
         'usergroup.write': 3,
         'usergroup.admin': 4,
         'hg.repogroup.create.false': 0,
         'hg.repogroup.create.true': 1,
 
         'hg.usergroup.create.false': 0,
         'hg.usergroup.create.true': 1,
 
         'hg.fork.none': 0,
         'hg.fork.repository': 1,
         'hg.create.none': 0,
         'hg.create.repository': 1
     }
 
     permission_id = Column("permission_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     permission_name = Column("permission_name", String(255), nullable=True, unique=None, default=None)
     permission_longname = Column("permission_longname", String(255), nullable=True, unique=None, default=None)
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (
             self.__class__.__name__, self.permission_id, self.permission_name
         )
 
     @classmethod
     def get_by_key(cls, key):
         return cls.query().filter(cls.permission_name == key).scalar()
 
 
 class UserRepoToPerm(Base, BaseModel):
     __tablename__ = 'repo_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'repository_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     repo_to_perm_id = Column("repo_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     repository = relationship('Repository')
     permission = relationship('Permission')
 
     def __unicode__(self):
         return u'<%s => %s >' % (self.user, self.repository)
 
 
 class UserUserGroupToPerm(Base, BaseModel):
     __tablename__ = 'user_user_group_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'user_group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     user_user_group_to_perm_id = Column("user_user_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     user_group_id = Column("user_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     user_group = relationship('UserGroup')
     permission = relationship('Permission')
 
     def __unicode__(self):
         return u'<%s => %s >' % (self.user, self.user_group)
 
 
 class UserToPerm(Base, BaseModel):
     __tablename__ = 'user_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     user_to_perm_id = Column("user_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     permission = relationship('Permission', lazy='joined')
 
     def __unicode__(self):
         return u'<%s => %s >' % (self.user, self.permission)
 
 
 class UserGroupRepoToPerm(Base, BaseModel):
     __tablename__ = 'users_group_repo_to_perm'
     __table_args__ = (
         UniqueConstraint('repository_id', 'users_group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
     repository = relationship('Repository')
 
     def __unicode__(self):
         return u'<UserGroupRepoToPerm:%s => %s >' % (self.users_group, self.repository)
 
 
 class UserGroupUserGroupToPerm(Base, BaseModel):
     __tablename__ = 'user_group_user_group_to_perm'
     __table_args__ = (
         UniqueConstraint('target_user_group_id', 'user_group_id', 'permission_id'),
         CheckConstraint('target_user_group_id != user_group_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     user_group_user_group_to_perm_id = Column("user_group_user_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     target_user_group_id = Column("target_user_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     user_group_id = Column("user_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
 
     target_user_group = relationship('UserGroup', primaryjoin='UserGroupUserGroupToPerm.target_user_group_id==UserGroup.users_group_id')
     user_group = relationship('UserGroup', primaryjoin='UserGroupUserGroupToPerm.user_group_id==UserGroup.users_group_id')
     permission = relationship('Permission')
 
     def __unicode__(self):
         return u'<UserGroupUserGroup:%s => %s >' % (self.target_user_group, self.user_group)
 
 
 class UserGroupToPerm(Base, BaseModel):
     __tablename__ = 'users_group_to_perm'
     __table_args__ = (
         UniqueConstraint('users_group_id', 'permission_id',),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
 
 
 class UserRepoGroupToPerm(Base, BaseModel):
     __tablename__ = 'user_repo_group_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
 
     group_to_perm_id = Column("group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     group = relationship('RepoGroup')
     permission = relationship('Permission')
 
 
 class UserGroupRepoGroupToPerm(Base, BaseModel):
     __tablename__ = 'users_group_repo_group_to_perm'
     __table_args__ = (
         UniqueConstraint('users_group_id', 'group_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
 
     users_group_repo_group_to_perm_id = Column("users_group_repo_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
     group = relationship('RepoGroup')
 
 
 class Statistics(Base, BaseModel):
     __tablename__ = 'statistics'
     __table_args__ = (
          UniqueConstraint('repository_id'),
          {'extend_existing': True, 'mysql_engine': 'InnoDB',
           'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     stat_id = Column("stat_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=True, default=None)
     stat_on_revision = Column("stat_on_revision", Integer(), nullable=False)
     commit_activity = Column("commit_activity", LargeBinary(1000000), nullable=False)#JSON data
     commit_activity_combined = Column("commit_activity_combined", LargeBinary(), nullable=False)#JSON data
     languages = Column("languages", LargeBinary(1000000), nullable=False)#JSON data
 
     repository = relationship('Repository', single_parent=True)
 
 
 class UserFollowing(Base, BaseModel):
     __tablename__ = 'user_followings'
     __table_args__ = (
         UniqueConstraint('user_id', 'follows_repository_id'),
         UniqueConstraint('user_id', 'follows_user_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
 
     user_following_id = Column("user_following_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     follows_repo_id = Column("follows_repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=None, default=None)
     follows_user_id = Column("follows_user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     follows_from = Column('follows_from', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
 
     user = relationship('User', primaryjoin='User.user_id==UserFollowing.user_id')
 
     follows_user = relationship('User', primaryjoin='User.user_id==UserFollowing.follows_user_id')
     follows_repository = relationship('Repository', order_by='Repository.repo_name')
 
 
 class CacheInvalidation(Base, BaseModel):
     __tablename__ = 'cache_invalidation'
     __table_args__ = (
         UniqueConstraint('cache_key'),
         Index('key_idx', 'cache_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
     cache_id = Column("cache_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     cache_key = Column("cache_key", String(255), nullable=True, unique=None, default=None)
     cache_args = Column("cache_args", String(255), nullable=True, unique=None, default=None)
     cache_active = Column("cache_active", Boolean(), nullable=True, unique=None, default=False)
 
     def __init__(self, cache_key, cache_args=''):
         self.cache_key = cache_key
         self.cache_args = cache_args
         self.cache_active = False
 
 
 class ChangesetComment(Base, BaseModel):
     __tablename__ = 'changeset_comments'
     __table_args__ = (
         Index('cc_revision_idx', 'revision'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
     comment_id = Column('comment_id', Integer(), nullable=False, primary_key=True)
     repo_id = Column('repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     revision = Column('revision', String(40), nullable=True)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=True)
     line_no = Column('line_no', Unicode(10), nullable=True)
     hl_lines = Column('hl_lines', Unicode(512), nullable=True)
     f_path = Column('f_path', Unicode(1000), nullable=True)
     user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=False)
     text = Column('text', UnicodeText().with_variant(UnicodeText(25000), 'mysql'), nullable=False)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     modified_at = Column('modified_at', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     author = relationship('User', lazy='joined')
     repo = relationship('Repository')
     status_change = relationship('ChangesetStatus', cascade="all, delete, delete-orphan")
     pull_request = relationship('PullRequest', lazy='joined')
 
 
 class ChangesetStatus(Base, BaseModel):
     __tablename__ = 'changeset_statuses'
     __table_args__ = (
         Index('cs_revision_idx', 'revision'),
         Index('cs_version_idx', 'version'),
         UniqueConstraint('repo_id', 'revision', 'version'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     STATUS_NOT_REVIEWED = DEFAULT = 'not_reviewed'
     STATUS_APPROVED = 'approved'
     STATUS_REJECTED = 'rejected'
     STATUS_UNDER_REVIEW = 'under_review'
 
     STATUSES = [
         (STATUS_NOT_REVIEWED, _("Not Reviewed")),  # (no icon) and default
         (STATUS_APPROVED, _("Approved")),
         (STATUS_REJECTED, _("Rejected")),
         (STATUS_UNDER_REVIEW, _("Under Review")),
     ]
 
     changeset_status_id = Column('changeset_status_id', Integer(), nullable=False, primary_key=True)
     repo_id = Column('repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None)
     revision = Column('revision', String(40), nullable=False)
     status = Column('status', String(128), nullable=False, default=DEFAULT)
     changeset_comment_id = Column('changeset_comment_id', Integer(), ForeignKey('changeset_comments.comment_id'))
     modified_at = Column('modified_at', DateTime(), nullable=False, default=datetime.datetime.now)
     version = Column('version', Integer(), nullable=False, default=0)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=True)
 
     author = relationship('User', lazy='joined')
     repo = relationship('Repository')
     comment = relationship('ChangesetComment', lazy='joined')
     pull_request = relationship('PullRequest', lazy='joined')
 
 
 
 class PullRequest(Base, BaseModel):
     __tablename__ = 'pull_requests'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
 
     STATUS_NEW = u'new'
     STATUS_OPEN = u'open'
     STATUS_CLOSED = u'closed'
 
     pull_request_id = Column('pull_request_id', Integer(), nullable=False, primary_key=True)
     title = Column('title', Unicode(256), nullable=True)
     description = Column('description', UnicodeText().with_variant(UnicodeText(10240), 'mysql'), nullable=True)
     status = Column('status', Unicode(256), nullable=False, default=STATUS_NEW)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     updated_on = Column('updated_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None)
     _revisions = Column('revisions', UnicodeText().with_variant(UnicodeText(20500), 'mysql'))
     org_repo_id = Column('org_repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     org_ref = Column('org_ref', Unicode(256), nullable=False)
     other_repo_id = Column('other_repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     other_ref = Column('other_ref', Unicode(256), nullable=False)
 
     author = relationship('User', lazy='joined')
     reviewers = relationship('PullRequestReviewers',
                              cascade="all, delete, delete-orphan")
     org_repo = relationship('Repository', primaryjoin='PullRequest.org_repo_id==Repository.repo_id')
     other_repo = relationship('Repository', primaryjoin='PullRequest.other_repo_id==Repository.repo_id')
     statuses = relationship('ChangesetStatus')
     comments = relationship('ChangesetComment',
                              cascade="all, delete, delete-orphan")
 
 
 class PullRequestReviewers(Base, BaseModel):
     __tablename__ = 'pull_request_reviewers'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
 
     def __init__(self, user=None, pull_request=None):
         self.user = user
         self.pull_request = pull_request
 
     pull_requests_reviewers_id = Column('pull_requests_reviewers_id', Integer(), nullable=False, primary_key=True)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=False)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True)
 
     user = relationship('User')
     pull_request = relationship('PullRequest')
 
 
 class Notification(Base, BaseModel):
     __tablename__ = 'notifications'
     __table_args__ = (
         Index('notification_type_idx', 'type'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
 
     TYPE_CHANGESET_COMMENT = u'cs_comment'
     TYPE_MESSAGE = u'message'
     TYPE_MENTION = u'mention'
     TYPE_REGISTRATION = u'registration'
     TYPE_PULL_REQUEST = u'pull_request'
     TYPE_PULL_REQUEST_COMMENT = u'pull_request_comment'
 
     notification_id = Column('notification_id', Integer(), nullable=False, primary_key=True)
     subject = Column('subject', Unicode(512), nullable=True)
     body = Column('body', UnicodeText().with_variant(UnicodeText(50000), 'mysql'), nullable=True)
     created_by = Column("created_by", Integer(), ForeignKey('users.user_id'), nullable=True)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     type_ = Column('type', Unicode(256))
 
     created_by_user = relationship('User')
     notifications_to_users = relationship('UserNotification', lazy='joined',
                                           cascade="all, delete, delete-orphan")
 
 
 class UserNotification(Base, BaseModel):
     __tablename__ = 'user_to_notification'
     __table_args__ = (
         UniqueConstraint('user_id', 'notification_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), primary_key=True)
     notification_id = Column("notification_id", Integer(), ForeignKey('notifications.notification_id'), primary_key=True)
     read = Column('read', Boolean, default=False)
     sent_on = Column('sent_on', DateTime(timezone=False), nullable=True, unique=None)
 
     user = relationship('User', lazy="joined")
     notification = relationship('Notification', lazy="joined",
                                 order_by=lambda: Notification.created_on.desc(),)
 
 
 class Gist(Base, BaseModel):
     __tablename__ = 'gists'
     __table_args__ = (
         Index('g_gist_access_id_idx', 'gist_access_id'),
         Index('g_created_on_idx', 'created_on'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     GIST_PUBLIC = u'public'
     GIST_PRIVATE = u'private'
 
     gist_id = Column('gist_id', Integer(), primary_key=True)
     gist_access_id = Column('gist_access_id', Unicode(250))
     gist_description = Column('gist_description', UnicodeText().with_variant(UnicodeText(1024), 'mysql'))
     gist_owner = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=True)
     gist_expires = Column('gist_expires', Float(53), nullable=False)
     gist_type = Column('gist_type', Unicode(128), nullable=False)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     modified_at = Column('modified_at', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     owner = relationship('User')
 
 
 class DbMigrateVersion(Base, BaseModel):
     __tablename__ = 'db_migrate_version'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
     repository_id = Column('repository_id', String(250), primary_key=True)
     repository_path = Column('repository_path', Text)
     version = Column('version', Integer)

rhodecode/lib/dbmigrate/schema/db_2_0_1.py

@@ -1,1172 +1,1171 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2010-2019 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 import os
 import time
 import logging
 import datetime
 import traceback
 import hashlib
 import collections
 import functools
 
 from sqlalchemy import *
 from sqlalchemy.ext.hybrid import hybrid_property
 from sqlalchemy.orm import relationship, joinedload, class_mapper, validates
 from sqlalchemy.exc import DatabaseError
 from beaker.cache import cache_region, region_invalidate
 from webob.exc import HTTPNotFound
 
 from rhodecode.translation import _
 
 from rhodecode.lib.vcs import get_backend
 from rhodecode.lib.vcs.utils.helpers import get_scm
 from rhodecode.lib.vcs.exceptions import VCSError
 from zope.cachedescriptors.property import Lazy as LazyProperty
 from rhodecode.lib.vcs.backends.base import EmptyCommit
 
 from rhodecode.lib.utils2 import str2bool, safe_str, get_commit_safe, \
     safe_unicode, remove_prefix, time_to_datetime, aslist, Optional, safe_int
 from rhodecode.lib.ext_json import json
 from rhodecode.lib.caching_query import FromCache
 
 from rhodecode.model.meta import Base, Session
 
 URL_SEP = '/'
 log = logging.getLogger(__name__)
 
 #==============================================================================
 # BASE CLASSES
 #==============================================================================
 
 _hash_key = lambda k: hashlib.md5(safe_str(k)).hexdigest()
 
 
 class BaseModel(object):
     """
     Base Model for all classes
     """
 
     @classmethod
     def _get_keys(cls):
         """return column names for this model """
         return class_mapper(cls).c.keys()
 
     def get_dict(self):
         """
         return dict with keys and values corresponding
         to this model data """
 
         d = {}
         for k in self._get_keys():
             d[k] = getattr(self, k)
 
         # also use __json__() if present to get additional fields
         _json_attr = getattr(self, '__json__', None)
         if _json_attr:
             # update with attributes from __json__
             if callable(_json_attr):
                 _json_attr = _json_attr()
             for k, val in _json_attr.iteritems():
                 d[k] = val
         return d
 
     def get_appstruct(self):
         """return list with keys and values tupples corresponding
         to this model data """
 
         l = []
         for k in self._get_keys():
             l.append((k, getattr(self, k),))
         return l
 
     def populate_obj(self, populate_dict):
         """populate model with data from given populate_dict"""
 
         for k in self._get_keys():
             if k in populate_dict:
                 setattr(self, k, populate_dict[k])
 
     @classmethod
     def query(cls):
         return Session().query(cls)
 
     @classmethod
     def get(cls, id_):
         if id_:
             return cls.query().get(id_)
 
     @classmethod
     def get_or_404(cls, id_):
         try:
             id_ = int(id_)
         except (TypeError, ValueError):
             raise HTTPNotFound
 
         res = cls.query().get(id_)
         if not res:
             raise HTTPNotFound
         return res
 
     @classmethod
     def getAll(cls):
         # deprecated and left for backward compatibility
         return cls.get_all()
 
     @classmethod
     def get_all(cls):
         return cls.query().all()
 
     @classmethod
     def delete(cls, id_):
         obj = cls.query().get(id_)
         Session().delete(obj)
 
     def __repr__(self):
         if hasattr(self, '__unicode__'):
             # python repr needs to return str
             try:
                 return safe_str(self.__unicode__())
             except UnicodeDecodeError:
                 pass
         return '<DB:%s>' % (self.__class__.__name__)
 
 
 class RhodeCodeSetting(Base, BaseModel):
     SETTINGS_TYPES = {
         'str': safe_str,
         'int': safe_int,
         'unicode': safe_unicode,
         'bool': str2bool,
         'list': functools.partial(aslist, sep=',')
     }
     __tablename__ = 'rhodecode_settings'
     __table_args__ = (
         UniqueConstraint('app_settings_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     app_settings_id = Column("app_settings_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     app_settings_name = Column("app_settings_name", String(255), nullable=True, unique=None, default=None)
     _app_settings_value = Column("app_settings_value", String(4096), nullable=True, unique=None, default=None)
     _app_settings_type = Column("app_settings_type", String(255), nullable=True, unique=None, default=None)
 
     def __init__(self, key='', val='', type='unicode'):
         self.app_settings_name = key
         self.app_settings_value = val
         self.app_settings_type = type
 
     @validates('_app_settings_value')
     def validate_settings_value(self, key, val):
         assert type(val) == unicode
         return val
 
     @hybrid_property
     def app_settings_value(self):
         v = self._app_settings_value
         _type = self.app_settings_type
         converter = self.SETTINGS_TYPES.get(_type) or self.SETTINGS_TYPES['unicode']
         return converter(v)
 
     @app_settings_value.setter
     def app_settings_value(self, val):
         """
         Setter that will always make sure we use unicode in app_settings_value
 
         :param val:
         """
         self._app_settings_value = safe_unicode(val)
 
     @hybrid_property
     def app_settings_type(self):
         return self._app_settings_type
 
     @app_settings_type.setter
     def app_settings_type(self, val):
         if val not in self.SETTINGS_TYPES:
             raise Exception('type must be one of %s got %s'
                             % (self.SETTINGS_TYPES.keys(), val))
         self._app_settings_type = val
 
     def __unicode__(self):
         return u"<%s('%s:%s[%s]')>" % (
             self.__class__.__name__,
             self.app_settings_name, self.app_settings_value, self.app_settings_type
         )
 
 
 class RhodeCodeUi(Base, BaseModel):
     __tablename__ = 'rhodecode_ui'
     __table_args__ = (
         UniqueConstraint('ui_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
 
     HOOK_REPO_SIZE = 'changegroup.repo_size'
     HOOK_PUSH = 'changegroup.push_logger'
     HOOK_PRE_PUSH = 'prechangegroup.pre_push'
     HOOK_PULL = 'outgoing.pull_logger'
     HOOK_PRE_PULL = 'preoutgoing.pre_pull'
 
     ui_id = Column("ui_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     ui_section = Column("ui_section", String(255), nullable=True, unique=None, default=None)
     ui_key = Column("ui_key", String(255), nullable=True, unique=None, default=None)
     ui_value = Column("ui_value", String(255), nullable=True, unique=None, default=None)
     ui_active = Column("ui_active", Boolean(), nullable=True, unique=None, default=True)
 
 
 
 class User(Base, BaseModel):
     __tablename__ = 'users'
     __table_args__ = (
         UniqueConstraint('username'), UniqueConstraint('email'),
         Index('u_username_idx', 'username'),
         Index('u_email_idx', 'email'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     DEFAULT_USER = 'default'
 
     user_id = Column("user_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     username = Column("username", String(255), nullable=True, unique=None, default=None)
     password = Column("password", String(255), nullable=True, unique=None, default=None)
     active = Column("active", Boolean(), nullable=True, unique=None, default=True)
     admin = Column("admin", Boolean(), nullable=True, unique=None, default=False)
     name = Column("firstname", String(255), nullable=True, unique=None, default=None)
     lastname = Column("lastname", String(255), nullable=True, unique=None, default=None)
     _email = Column("email", String(255), nullable=True, unique=None, default=None)
     last_login = Column("last_login", DateTime(timezone=False), nullable=True, unique=None, default=None)
     extern_type = Column("extern_type", String(255), nullable=True, unique=None, default=None)
     extern_name = Column("extern_name", String(255), nullable=True, unique=None, default=None)
     api_key = Column("api_key", String(255), nullable=True, unique=None, default=None)
     inherit_default_permissions = Column("inherit_default_permissions", Boolean(), nullable=False, unique=None, default=True)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     user_log = relationship('UserLog')
     user_perms = relationship('UserToPerm', primaryjoin="User.user_id==UserToPerm.user_id", cascade='all')
 
     repositories = relationship('Repository')
     user_followers = relationship('UserFollowing', primaryjoin='UserFollowing.follows_user_id==User.user_id', cascade='all')
     followings = relationship('UserFollowing', primaryjoin='UserFollowing.user_id==User.user_id', cascade='all')
 
     repo_to_perm = relationship('UserRepoToPerm', primaryjoin='UserRepoToPerm.user_id==User.user_id', cascade='all')
     repo_group_to_perm = relationship('UserRepoGroupToPerm', primaryjoin='UserRepoGroupToPerm.user_id==User.user_id', cascade='all')
 
     group_member = relationship('UserGroupMember', cascade='all')
 
     notifications = relationship('UserNotification', cascade='all')
     # notifications assigned to this user
     user_created_notifications = relationship('Notification', cascade='all')
     # comments created by this user
     user_comments = relationship('ChangesetComment', cascade='all')
     user_emails = relationship('UserEmailMap', cascade='all')
 
     @hybrid_property
     def email(self):
         return self._email
 
     @email.setter
     def email(self, val):
         self._email = val.lower() if val else None
 
     @property
     def firstname(self):
         # alias for future
         return self.name
 
     @property
     def username_and_name(self):
         return '%s (%s %s)' % (self.username, self.firstname, self.lastname)
 
     @property
     def full_name(self):
         return '%s %s' % (self.firstname, self.lastname)
 
     @property
     def full_contact(self):
         return '%s %s <%s>' % (self.firstname, self.lastname, self.email)
 
     @property
     def short_contact(self):
         return '%s %s' % (self.firstname, self.lastname)
 
     @property
     def is_admin(self):
         return self.admin
 
     @classmethod
     def get_by_username(cls, username, case_insensitive=False, cache=False):
         if case_insensitive:
             q = cls.query().filter(cls.username.ilike(username))
         else:
             q = cls.query().filter(cls.username == username)
 
         if cache:
             q = q.options(FromCache(
                             "sql_cache_short",
                             "get_user_%s" % _hash_key(username)
                           )
             )
         return q.scalar()
 
     @classmethod
     def get_by_auth_token(cls, auth_token, cache=False):
         q = cls.query().filter(cls.api_key == auth_token)
 
         if cache:
             q = q.options(FromCache("sql_cache_short",
                                     "get_auth_token_%s" % auth_token))
         return q.scalar()
 
     @classmethod
     def get_by_email(cls, email, case_insensitive=False, cache=False):
         if case_insensitive:
             q = cls.query().filter(cls.email.ilike(email))
         else:
             q = cls.query().filter(cls.email == email)
 
         if cache:
             q = q.options(FromCache("sql_cache_short",
                                     "get_email_key_%s" % email))
 
         ret = q.scalar()
         if ret is None:
             q = UserEmailMap.query()
             # try fetching in alternate email map
             if case_insensitive:
                 q = q.filter(UserEmailMap.email.ilike(email))
             else:
                 q = q.filter(UserEmailMap.email == email)
             q = q.options(joinedload(UserEmailMap.user))
             if cache:
                 q = q.options(FromCache("sql_cache_short",
                                         "get_email_map_key_%s" % email))
             ret = getattr(q.scalar(), 'user', None)
 
         return ret
 
     @classmethod
     def get_first_admin(cls):
         user = User.query().filter(User.admin == True).first()
         if user is None:
             raise Exception('Missing administrative account!')
         return user
 
     @classmethod
     def get_default_user(cls, cache=False):
         user = User.get_by_username(User.DEFAULT_USER, cache=cache)
         if user is None:
             raise Exception('Missing default account!')
         return user
 
 
 
 
 class UserEmailMap(Base, BaseModel):
     __tablename__ = 'user_email_map'
     __table_args__ = (
         Index('uem_email_idx', 'email'),
         UniqueConstraint('email'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     __mapper_args__ = {}
 
     email_id = Column("email_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     _email = Column("email", String(255), nullable=True, unique=False, default=None)
     user = relationship('User', lazy='joined')
 
     @validates('_email')
     def validate_email(self, key, email):
         # check if this email is not main one
         main_email = Session().query(User).filter(User.email == email).scalar()
         if main_email is not None:
             raise AttributeError('email %s is present is user table' % email)
         return email
 
     @hybrid_property
     def email(self):
         return self._email
 
     @email.setter
     def email(self, val):
         self._email = val.lower() if val else None
 
 
 class UserIpMap(Base, BaseModel):
     __tablename__ = 'user_ip_map'
     __table_args__ = (
         UniqueConstraint('user_id', 'ip_addr'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     __mapper_args__ = {}
 
     ip_id = Column("ip_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     ip_addr = Column("ip_addr", String(255), nullable=True, unique=False, default=None)
     active = Column("active", Boolean(), nullable=True, unique=None, default=True)
     user = relationship('User', lazy='joined')
 
 
 class UserLog(Base, BaseModel):
     __tablename__ = 'user_logs'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
     user_log_id = Column("user_log_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     username = Column("username", String(255), nullable=True, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True)
     repository_name = Column("repository_name", String(255), nullable=True, unique=None, default=None)
     user_ip = Column("user_ip", String(255), nullable=True, unique=None, default=None)
     action = Column("action", String(1200000), nullable=True, unique=None, default=None)
     action_date = Column("action_date", DateTime(timezone=False), nullable=True, unique=None, default=None)
 
     def __unicode__(self):
         return u"<%s('id:%s:%s')>" % (self.__class__.__name__,
                                       self.repository_name,
                                       self.action)
 
     user = relationship('User')
     repository = relationship('Repository', cascade='')
 
 
 class UserGroup(Base, BaseModel):
     __tablename__ = 'users_groups'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
 
     users_group_id = Column("users_group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_name = Column("users_group_name", String(255), nullable=False, unique=True, default=None)
     user_group_description = Column("user_group_description", String(10000), nullable=True, unique=None, default=None)
     users_group_active = Column("users_group_active", Boolean(), nullable=True, unique=None, default=None)
     inherit_default_permissions = Column("users_group_inherit_default_permissions", Boolean(), nullable=False, unique=None, default=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     members = relationship('UserGroupMember', cascade="all, delete, delete-orphan", lazy="joined")
     users_group_to_perm = relationship('UserGroupToPerm', cascade='all')
     users_group_repo_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
     users_group_repo_group_to_perm = relationship('UserGroupRepoGroupToPerm', cascade='all')
     user_user_group_to_perm = relationship('UserUserGroupToPerm', cascade='all')
     user_group_user_group_to_perm = relationship('UserGroupUserGroupToPerm ', primaryjoin="UserGroupUserGroupToPerm.target_user_group_id==UserGroup.users_group_id", cascade='all')
 
     user = relationship('User')
 
     def __unicode__(self):
         return u"<%s('id:%s:%s')>" % (self.__class__.__name__,
                                       self.users_group_id,
                                       self.users_group_name)
 
     @classmethod
     def get_by_group_name(cls, group_name, cache=False,
                           case_insensitive=False):
         if case_insensitive:
             q = cls.query().filter(cls.users_group_name.ilike(group_name))
         else:
             q = cls.query().filter(cls.users_group_name == group_name)
         if cache:
             q = q.options(FromCache(
                             "sql_cache_short",
                             "get_user_%s" % _hash_key(group_name)
                           )
             )
         return q.scalar()
 
     @classmethod
     def get(cls, user_group_id, cache=False):
         user_group = cls.query()
         if cache:
             user_group = user_group.options(FromCache("sql_cache_short",
                                     "get_users_group_%s" % user_group_id))
         return user_group.get(user_group_id)
 
 
 class UserGroupMember(Base, BaseModel):
     __tablename__ = 'users_groups_members'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
 
     users_group_member_id = Column("users_group_member_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User', lazy='joined')
     users_group = relationship('UserGroup')
 
     def __init__(self, gr_id='', u_id=''):
         self.users_group_id = gr_id
         self.user_id = u_id
 
 
 class RepositoryField(Base, BaseModel):
     __tablename__ = 'repositories_fields'
     __table_args__ = (
         UniqueConstraint('repository_id', 'field_key'),  # no-multi field
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
     PREFIX = 'ex_'  # prefix used in form to not conflict with already existing fields
 
     repo_field_id = Column("repo_field_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
     field_key = Column("field_key", String(250))
     field_label = Column("field_label", String(1024), nullable=False)
     field_value = Column("field_value", String(10000), nullable=False)
     field_desc = Column("field_desc", String(1024), nullable=False)
     field_type = Column("field_type", String(256), nullable=False, unique=None)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     repository = relationship('Repository')
 
     @classmethod
     def get_by_key_name(cls, key, repo):
         row = cls.query()\
                 .filter(cls.repository == repo)\
                 .filter(cls.field_key == key).scalar()
         return row
 
 
 class Repository(Base, BaseModel):
     __tablename__ = 'repositories'
     __table_args__ = (
         UniqueConstraint('repo_name'),
         Index('r_repo_name_idx', 'repo_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
 
     repo_id = Column("repo_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repo_name = Column("repo_name", String(255), nullable=False, unique=True, default=None)
     clone_uri = Column("clone_uri", String(255), nullable=True, unique=False, default=None)
     repo_type = Column("repo_type", String(255), nullable=False, unique=False, default=None)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)
     private = Column("private", Boolean(), nullable=True, unique=None, default=None)
     enable_statistics = Column("statistics", Boolean(), nullable=True, unique=None, default=True)
     enable_downloads = Column("downloads", Boolean(), nullable=True, unique=None, default=True)
     description = Column("description", String(10000), nullable=True, unique=None, default=None)
     created_on = Column('created_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
     updated_on = Column('updated_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
     landing_rev = Column("landing_revision", String(255), nullable=False, unique=False, default=None)
     enable_locking = Column("enable_locking", Boolean(), nullable=False, unique=None, default=False)
     _locked = Column("locked", String(255), nullable=True, unique=False, default=None)
     _changeset_cache = Column("changeset_cache", LargeBinary(), nullable=True) #JSON data
 
     fork_id = Column("fork_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=False, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=False, default=None)
 
     user = relationship('User')
     fork = relationship('Repository', remote_side=repo_id)
     group = relationship('RepoGroup')
     repo_to_perm = relationship('UserRepoToPerm', cascade='all', order_by='UserRepoToPerm.repo_to_perm_id')
     users_group_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
     stats = relationship('Statistics', cascade='all', uselist=False)
 
     followers = relationship('UserFollowing',
                              primaryjoin='UserFollowing.follows_repo_id==Repository.repo_id',
                              cascade='all')
     extra_fields = relationship('RepositoryField',
                                 cascade="all, delete, delete-orphan")
 
     logs = relationship('UserLog')
     comments = relationship('ChangesetComment', cascade="all, delete, delete-orphan")
 
     pull_requests_org = relationship('PullRequest',
                     primaryjoin='PullRequest.org_repo_id==Repository.repo_id',
                     cascade="all, delete, delete-orphan")
 
     pull_requests_other = relationship('PullRequest',
                     primaryjoin='PullRequest.other_repo_id==Repository.repo_id',
                     cascade="all, delete, delete-orphan")
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (self.__class__.__name__, self.repo_id,
                                    safe_unicode(self.repo_name))
 
     @classmethod
     def get_by_repo_name(cls, repo_name):
         q = Session().query(cls).filter(cls.repo_name == repo_name)
         q = q.options(joinedload(Repository.fork))\
             .options(joinedload(Repository.user))\
             .options(joinedload(Repository.group))
         return q.scalar()
 
 
 class RepoGroup(Base, BaseModel):
     __tablename__ = 'groups'
     __table_args__ = (
         UniqueConstraint('group_name', 'group_parent_id'),
-        CheckConstraint('group_id != group_parent_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
     __mapper_args__ = {'order_by': 'group_name'}
 
     group_id = Column("group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     group_name = Column("group_name", String(255), nullable=False, unique=True, default=None)
     group_parent_id = Column("group_parent_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=None, default=None)
     group_description = Column("group_description", String(10000), nullable=True, unique=None, default=None)
     enable_locking = Column("enable_locking", Boolean(), nullable=False, unique=None, default=False)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)
     #TODO: create this field in migrations
     #created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     repo_group_to_perm = relationship('UserRepoGroupToPerm', cascade='all', order_by='UserRepoGroupToPerm.group_to_perm_id')
     users_group_to_perm = relationship('UserGroupRepoGroupToPerm', cascade='all')
     parent_group = relationship('RepoGroup', remote_side=group_id)
     user = relationship('User')
 
     def __init__(self, group_name='', parent_group=None):
         self.group_name = group_name
         self.parent_group = parent_group
 
     def __unicode__(self):
         return u"<%s('id:%s:%s')>" % (self.__class__.__name__, self.group_id,
                                       self.group_name)
 
     @classmethod
     def url_sep(cls):
         return URL_SEP
 
     @classmethod
     def get_by_group_name(cls, group_name, cache=False, case_insensitive=False):
         if case_insensitive:
             gr = cls.query()\
                 .filter(cls.group_name.ilike(group_name))
         else:
             gr = cls.query()\
                 .filter(cls.group_name == group_name)
         if cache:
             gr = gr.options(FromCache(
                             "sql_cache_short",
                             "get_group_%s" % _hash_key(group_name)
                             )
             )
         return gr.scalar()
 
 
 class Permission(Base, BaseModel):
     __tablename__ = 'permissions'
     __table_args__ = (
         Index('p_perm_name_idx', 'permission_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
     PERMS = [
         ('hg.admin', _('RhodeCode Administrator')),
 
         ('repository.none', _('Repository no access')),
         ('repository.read', _('Repository read access')),
         ('repository.write', _('Repository write access')),
         ('repository.admin', _('Repository admin access')),
 
         ('group.none', _('Repository group no access')),
         ('group.read', _('Repository group read access')),
         ('group.write', _('Repository group write access')),
         ('group.admin', _('Repository group admin access')),
 
         ('usergroup.none', _('User group no access')),
         ('usergroup.read', _('User group read access')),
         ('usergroup.write', _('User group write access')),
         ('usergroup.admin', _('User group admin access')),
 
         ('hg.repogroup.create.false', _('Repository Group creation disabled')),
         ('hg.repogroup.create.true', _('Repository Group creation enabled')),
 
         ('hg.usergroup.create.false', _('User Group creation disabled')),
         ('hg.usergroup.create.true', _('User Group creation enabled')),
 
         ('hg.create.none', _('Repository creation disabled')),
         ('hg.create.repository', _('Repository creation enabled')),
 
         ('hg.fork.none', _('Repository forking disabled')),
         ('hg.fork.repository', _('Repository forking enabled')),
 
         ('hg.register.none', _('Registration disabled')),
         ('hg.register.manual_activate', _('User Registration with manual account activation')),
         ('hg.register.auto_activate', _('User Registration with automatic account activation')),
 
         ('hg.extern_activate.manual', _('Manual activation of external account')),
         ('hg.extern_activate.auto', _('Automatic activation of external account')),
 
     ]
 
     #definition of system default permissions for DEFAULT user
     DEFAULT_USER_PERMISSIONS = [
         'repository.read',
         'group.read',
         'usergroup.read',
         'hg.create.repository',
         'hg.fork.repository',
         'hg.register.manual_activate',
         'hg.extern_activate.auto',
     ]
 
     # defines which permissions are more important higher the more important
     # Weight defines which permissions are more important.
     # The higher number the more important.
     PERM_WEIGHTS = {
         'repository.none': 0,
         'repository.read': 1,
         'repository.write': 3,
         'repository.admin': 4,
 
         'group.none': 0,
         'group.read': 1,
         'group.write': 3,
         'group.admin': 4,
 
         'usergroup.none': 0,
         'usergroup.read': 1,
         'usergroup.write': 3,
         'usergroup.admin': 4,
         'hg.repogroup.create.false': 0,
         'hg.repogroup.create.true': 1,
 
         'hg.usergroup.create.false': 0,
         'hg.usergroup.create.true': 1,
 
         'hg.fork.none': 0,
         'hg.fork.repository': 1,
         'hg.create.none': 0,
         'hg.create.repository': 1
     }
 
     permission_id = Column("permission_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     permission_name = Column("permission_name", String(255), nullable=True, unique=None, default=None)
     permission_longname = Column("permission_longname", String(255), nullable=True, unique=None, default=None)
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (
             self.__class__.__name__, self.permission_id, self.permission_name
         )
 
     @classmethod
     def get_by_key(cls, key):
         return cls.query().filter(cls.permission_name == key).scalar()
 
 
 class UserRepoToPerm(Base, BaseModel):
     __tablename__ = 'repo_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'repository_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     repo_to_perm_id = Column("repo_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     repository = relationship('Repository')
     permission = relationship('Permission')
 
     def __unicode__(self):
         return u'<%s => %s >' % (self.user, self.repository)
 
 
 class UserUserGroupToPerm(Base, BaseModel):
     __tablename__ = 'user_user_group_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'user_group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     user_user_group_to_perm_id = Column("user_user_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     user_group_id = Column("user_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     user_group = relationship('UserGroup')
     permission = relationship('Permission')
 
     def __unicode__(self):
         return u'<%s => %s >' % (self.user, self.user_group)
 
 
 class UserToPerm(Base, BaseModel):
     __tablename__ = 'user_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     user_to_perm_id = Column("user_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     permission = relationship('Permission', lazy='joined')
 
     def __unicode__(self):
         return u'<%s => %s >' % (self.user, self.permission)
 
 
 class UserGroupRepoToPerm(Base, BaseModel):
     __tablename__ = 'users_group_repo_to_perm'
     __table_args__ = (
         UniqueConstraint('repository_id', 'users_group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
     repository = relationship('Repository')
 
     def __unicode__(self):
         return u'<UserGroupRepoToPerm:%s => %s >' % (self.users_group, self.repository)
 
 
 class UserGroupUserGroupToPerm(Base, BaseModel):
     __tablename__ = 'user_group_user_group_to_perm'
     __table_args__ = (
         UniqueConstraint('target_user_group_id', 'user_group_id', 'permission_id'),
         CheckConstraint('target_user_group_id != user_group_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     user_group_user_group_to_perm_id = Column("user_group_user_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     target_user_group_id = Column("target_user_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     user_group_id = Column("user_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
 
     target_user_group = relationship('UserGroup', primaryjoin='UserGroupUserGroupToPerm.target_user_group_id==UserGroup.users_group_id')
     user_group = relationship('UserGroup', primaryjoin='UserGroupUserGroupToPerm.user_group_id==UserGroup.users_group_id')
     permission = relationship('Permission')
 
     def __unicode__(self):
         return u'<UserGroupUserGroup:%s => %s >' % (self.target_user_group, self.user_group)
 
 
 class UserGroupToPerm(Base, BaseModel):
     __tablename__ = 'users_group_to_perm'
     __table_args__ = (
         UniqueConstraint('users_group_id', 'permission_id',),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
 
 
 class UserRepoGroupToPerm(Base, BaseModel):
     __tablename__ = 'user_repo_group_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
 
     group_to_perm_id = Column("group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     group = relationship('RepoGroup')
     permission = relationship('Permission')
 
 
 class UserGroupRepoGroupToPerm(Base, BaseModel):
     __tablename__ = 'users_group_repo_group_to_perm'
     __table_args__ = (
         UniqueConstraint('users_group_id', 'group_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
 
     users_group_repo_group_to_perm_id = Column("users_group_repo_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
     group = relationship('RepoGroup')
 
 
 class Statistics(Base, BaseModel):
     __tablename__ = 'statistics'
     __table_args__ = (
          UniqueConstraint('repository_id'),
          {'extend_existing': True, 'mysql_engine': 'InnoDB',
           'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     stat_id = Column("stat_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=True, default=None)
     stat_on_revision = Column("stat_on_revision", Integer(), nullable=False)
     commit_activity = Column("commit_activity", LargeBinary(1000000), nullable=False)#JSON data
     commit_activity_combined = Column("commit_activity_combined", LargeBinary(), nullable=False)#JSON data
     languages = Column("languages", LargeBinary(1000000), nullable=False)#JSON data
 
     repository = relationship('Repository', single_parent=True)
 
 
 class UserFollowing(Base, BaseModel):
     __tablename__ = 'user_followings'
     __table_args__ = (
         UniqueConstraint('user_id', 'follows_repository_id'),
         UniqueConstraint('user_id', 'follows_user_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
 
     user_following_id = Column("user_following_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     follows_repo_id = Column("follows_repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=None, default=None)
     follows_user_id = Column("follows_user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     follows_from = Column('follows_from', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
 
     user = relationship('User', primaryjoin='User.user_id==UserFollowing.user_id')
 
     follows_user = relationship('User', primaryjoin='User.user_id==UserFollowing.follows_user_id')
     follows_repository = relationship('Repository', order_by='Repository.repo_name')
 
 
 class CacheInvalidation(Base, BaseModel):
     __tablename__ = 'cache_invalidation'
     __table_args__ = (
         UniqueConstraint('cache_key'),
         Index('key_idx', 'cache_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
     cache_id = Column("cache_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     cache_key = Column("cache_key", String(255), nullable=True, unique=None, default=None)
     cache_args = Column("cache_args", String(255), nullable=True, unique=None, default=None)
     cache_active = Column("cache_active", Boolean(), nullable=True, unique=None, default=False)
 
     def __init__(self, cache_key, cache_args=''):
         self.cache_key = cache_key
         self.cache_args = cache_args
         self.cache_active = False
 
 
 class ChangesetComment(Base, BaseModel):
     __tablename__ = 'changeset_comments'
     __table_args__ = (
         Index('cc_revision_idx', 'revision'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
     comment_id = Column('comment_id', Integer(), nullable=False, primary_key=True)
     repo_id = Column('repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     revision = Column('revision', String(40), nullable=True)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=True)
     line_no = Column('line_no', Unicode(10), nullable=True)
     hl_lines = Column('hl_lines', Unicode(512), nullable=True)
     f_path = Column('f_path', Unicode(1000), nullable=True)
     user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=False)
     text = Column('text', UnicodeText().with_variant(UnicodeText(25000), 'mysql'), nullable=False)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     modified_at = Column('modified_at', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     author = relationship('User', lazy='joined')
     repo = relationship('Repository')
     status_change = relationship('ChangesetStatus', cascade="all, delete, delete-orphan")
     pull_request = relationship('PullRequest', lazy='joined')
 
 
 class ChangesetStatus(Base, BaseModel):
     __tablename__ = 'changeset_statuses'
     __table_args__ = (
         Index('cs_revision_idx', 'revision'),
         Index('cs_version_idx', 'version'),
         UniqueConstraint('repo_id', 'revision', 'version'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     STATUS_NOT_REVIEWED = DEFAULT = 'not_reviewed'
     STATUS_APPROVED = 'approved'
     STATUS_REJECTED = 'rejected'
     STATUS_UNDER_REVIEW = 'under_review'
 
     STATUSES = [
         (STATUS_NOT_REVIEWED, _("Not Reviewed")),  # (no icon) and default
         (STATUS_APPROVED, _("Approved")),
         (STATUS_REJECTED, _("Rejected")),
         (STATUS_UNDER_REVIEW, _("Under Review")),
     ]
 
     changeset_status_id = Column('changeset_status_id', Integer(), nullable=False, primary_key=True)
     repo_id = Column('repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None)
     revision = Column('revision', String(40), nullable=False)
     status = Column('status', String(128), nullable=False, default=DEFAULT)
     changeset_comment_id = Column('changeset_comment_id', Integer(), ForeignKey('changeset_comments.comment_id'))
     modified_at = Column('modified_at', DateTime(), nullable=False, default=datetime.datetime.now)
     version = Column('version', Integer(), nullable=False, default=0)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=True)
 
     author = relationship('User', lazy='joined')
     repo = relationship('Repository')
     comment = relationship('ChangesetComment', lazy='joined')
     pull_request = relationship('PullRequest', lazy='joined')
 
 
 
 class PullRequest(Base, BaseModel):
     __tablename__ = 'pull_requests'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
 
     STATUS_NEW = u'new'
     STATUS_OPEN = u'open'
     STATUS_CLOSED = u'closed'
 
     pull_request_id = Column('pull_request_id', Integer(), nullable=False, primary_key=True)
     title = Column('title', Unicode(256), nullable=True)
     description = Column('description', UnicodeText().with_variant(UnicodeText(10240), 'mysql'), nullable=True)
     status = Column('status', Unicode(256), nullable=False, default=STATUS_NEW)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     updated_on = Column('updated_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None)
     _revisions = Column('revisions', UnicodeText().with_variant(UnicodeText(20500), 'mysql'))
     org_repo_id = Column('org_repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     org_ref = Column('org_ref', Unicode(256), nullable=False)
     other_repo_id = Column('other_repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     other_ref = Column('other_ref', Unicode(256), nullable=False)
 
     author = relationship('User', lazy='joined')
     reviewers = relationship('PullRequestReviewers',
                              cascade="all, delete, delete-orphan")
     org_repo = relationship('Repository', primaryjoin='PullRequest.org_repo_id==Repository.repo_id')
     other_repo = relationship('Repository', primaryjoin='PullRequest.other_repo_id==Repository.repo_id')
     statuses = relationship('ChangesetStatus')
     comments = relationship('ChangesetComment',
                              cascade="all, delete, delete-orphan")
 
 
 class PullRequestReviewers(Base, BaseModel):
     __tablename__ = 'pull_request_reviewers'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
 
     def __init__(self, user=None, pull_request=None):
         self.user = user
         self.pull_request = pull_request
 
     pull_requests_reviewers_id = Column('pull_requests_reviewers_id', Integer(), nullable=False, primary_key=True)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=False)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True)
 
     user = relationship('User')
     pull_request = relationship('PullRequest')
 
 
 class Notification(Base, BaseModel):
     __tablename__ = 'notifications'
     __table_args__ = (
         Index('notification_type_idx', 'type'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
 
     TYPE_CHANGESET_COMMENT = u'cs_comment'
     TYPE_MESSAGE = u'message'
     TYPE_MENTION = u'mention'
     TYPE_REGISTRATION = u'registration'
     TYPE_PULL_REQUEST = u'pull_request'
     TYPE_PULL_REQUEST_COMMENT = u'pull_request_comment'
 
     notification_id = Column('notification_id', Integer(), nullable=False, primary_key=True)
     subject = Column('subject', Unicode(512), nullable=True)
     body = Column('body', UnicodeText().with_variant(UnicodeText(50000), 'mysql'), nullable=True)
     created_by = Column("created_by", Integer(), ForeignKey('users.user_id'), nullable=True)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     type_ = Column('type', Unicode(256))
 
     created_by_user = relationship('User')
     notifications_to_users = relationship('UserNotification', lazy='joined',
                                           cascade="all, delete, delete-orphan")
 
 
 class UserNotification(Base, BaseModel):
     __tablename__ = 'user_to_notification'
     __table_args__ = (
         UniqueConstraint('user_id', 'notification_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), primary_key=True)
     notification_id = Column("notification_id", Integer(), ForeignKey('notifications.notification_id'), primary_key=True)
     read = Column('read', Boolean, default=False)
     sent_on = Column('sent_on', DateTime(timezone=False), nullable=True, unique=None)
 
     user = relationship('User', lazy="joined")
     notification = relationship('Notification', lazy="joined",
                                 order_by=lambda: Notification.created_on.desc(),)
 
 
 class Gist(Base, BaseModel):
     __tablename__ = 'gists'
     __table_args__ = (
         Index('g_gist_access_id_idx', 'gist_access_id'),
         Index('g_created_on_idx', 'created_on'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
     )
     GIST_PUBLIC = u'public'
     GIST_PRIVATE = u'private'
 
     gist_id = Column('gist_id', Integer(), primary_key=True)
     gist_access_id = Column('gist_access_id', Unicode(250))
     gist_description = Column('gist_description', UnicodeText().with_variant(UnicodeText(1024), 'mysql'))
     gist_owner = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=True)
     gist_expires = Column('gist_expires', Float(53), nullable=False)
     gist_type = Column('gist_type', Unicode(128), nullable=False)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     modified_at = Column('modified_at', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     owner = relationship('User')
 
 
 class DbMigrateVersion(Base, BaseModel):
     __tablename__ = 'db_migrate_version'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
     repository_id = Column('repository_id', String(250), primary_key=True)
     repository_path = Column('repository_path', Text)
     version = Column('version', Integer)