api: Include merge reference into API data of a PR.

rhodecode/api/views/pull_request_api.py

@@ -1,666 +1,678 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2011-2016  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 logging
 
 from rhodecode.api import jsonrpc_method, JSONRPCError
 from rhodecode.api.utils import (
     has_superadmin_permission, Optional, OAttr, get_repo_or_error,
     get_pull_request_or_error, get_commit_or_error, get_user_or_error,
     has_repo_permissions, resolve_ref_or_error)
 from rhodecode.lib.auth import (HasRepoPermissionAnyApi)
 from rhodecode.lib.base import vcs_operation_context
 from rhodecode.lib.utils2 import str2bool
 from rhodecode.model.changeset_status import ChangesetStatusModel
 from rhodecode.model.comment import ChangesetCommentsModel
 from rhodecode.model.db import Session, ChangesetStatus
 from rhodecode.model.pull_request import PullRequestModel
 from rhodecode.model.settings import SettingsModel
 
 log = logging.getLogger(__name__)
 
 
 @jsonrpc_method()
 def get_pull_request(request, apiuser, repoid, pullrequestid):
     """
     Get a pull request based on the given ID.
 
     :param apiuser: This is filled automatically from the |authtoken|.
     :type apiuser: AuthUser
     :param repoid: Repository name or repository ID from where the pull
         request was opened.
     :type repoid: str or int
     :param pullrequestid: ID of the requested pull request.
     :type pullrequestid: int
 
     Example output:
 
     .. code-block:: bash
 
       "id": <id_given_in_input>,
       "result":
         {
             "pull_request_id":   "<pull_request_id>",
             "url":               "<url>",
             "title":             "<title>",
             "description":       "<description>",
             "status" :           "<status>",
             "created_on":        "<date_time_created>",
             "updated_on":        "<date_time_updated>",
             "commit_ids":        [
                                      ...
                                      "<commit_id>",
                                      "<commit_id>",
                                      ...
                                  ],
             "review_status":    "<review_status>",
             "mergeable":         {
                                      "status":  "<bool>",
                                      "message": "<message>",
                                  },
             "source":            {
                                      "clone_url":     "<clone_url>",
                                      "repository":    "<repository_name>",
                                      "reference":
                                      {
                                          "name":      "<name>",
                                          "type":      "<type>",
                                          "commit_id": "<commit_id>",
                                      }
                                  },
             "target":            {
                                      "clone_url":   "<clone_url>",
                                      "repository":    "<repository_name>",
                                      "reference":
                                      {
                                          "name":      "<name>",
                                          "type":      "<type>",
                                          "commit_id": "<commit_id>",
                                      }
                                  },
-            "shadow":            {
+            "merge":             {
                                      "clone_url":   "<clone_url>",
+                                     "reference":
+                                     {
+                                         "name":      "<name>",
+                                         "type":      "<type>",
+                                         "commit_id": "<commit_id>",
+                                     }
                                  },
            "author":             <user_obj>,
            "reviewers":          [
                                      ...
                                      {
                                         "user":          "<user_obj>",
                                         "review_status": "<review_status>",
                                      }
                                      ...
                                  ]
         },
        "error": null
     """
     get_repo_or_error(repoid)
     pull_request = get_pull_request_or_error(pullrequestid)
     if not PullRequestModel().check_user_read(
             pull_request, apiuser, api=True):
         raise JSONRPCError('repository `%s` does not exist' % (repoid,))
     data = pull_request.get_api_data()
     return data
 
 
 @jsonrpc_method()
 def get_pull_requests(request, apiuser, repoid, status=Optional('new')):
     """
     Get all pull requests from the repository specified in `repoid`.
 
     :param apiuser: This is filled automatically from the |authtoken|.
     :type apiuser: AuthUser
     :param repoid: Repository name or repository ID.
     :type repoid: str or int
     :param status: Only return pull requests with the specified status.
         Valid options are.
         * ``new`` (default)
         * ``open``
         * ``closed``
     :type status: str
 
     Example output:
 
     .. code-block:: bash
 
       "id": <id_given_in_input>,
       "result":
         [
             ...
             {
                 "pull_request_id":   "<pull_request_id>",
                 "url":               "<url>",
                 "title" :            "<title>",
                 "description":       "<description>",
                 "status":            "<status>",
                 "created_on":        "<date_time_created>",
                 "updated_on":        "<date_time_updated>",
                 "commit_ids":        [
                                          ...
                                          "<commit_id>",
                                          "<commit_id>",
                                          ...
                                      ],
                 "review_status":    "<review_status>",
                 "mergeable":         {
                                         "status":      "<bool>",
                                         "message:      "<message>",
                                      },
                 "source":            {
                                          "clone_url":     "<clone_url>",
                                          "reference":
                                          {
                                              "name":      "<name>",
                                              "type":      "<type>",
                                              "commit_id": "<commit_id>",
                                          }
                                      },
                 "target":            {
                                          "clone_url":   "<clone_url>",
                                          "reference":
                                          {
                                              "name":      "<name>",
                                              "type":      "<type>",
                                              "commit_id": "<commit_id>",
                                          }
                                      },
-                "shadow":            {
+                "merge":             {
                                          "clone_url":   "<clone_url>",
+                                         "reference":
+                                         {
+                                             "name":      "<name>",
+                                             "type":      "<type>",
+                                             "commit_id": "<commit_id>",
+                                         }
                                      },
                "author":             <user_obj>,
                "reviewers":          [
                                          ...
                                          {
                                             "user":          "<user_obj>",
                                             "review_status": "<review_status>",
                                          }
                                          ...
                                      ]
             }
             ...
         ],
       "error": null
 
     """
     repo = get_repo_or_error(repoid)
     if not has_superadmin_permission(apiuser):
         _perms = (
             'repository.admin', 'repository.write', 'repository.read',)
         has_repo_permissions(apiuser, repoid, repo, _perms)
 
     status = Optional.extract(status)
     pull_requests = PullRequestModel().get_all(repo, statuses=[status])
     data = [pr.get_api_data() for pr in pull_requests]
     return data
 
 
 @jsonrpc_method()
 def merge_pull_request(request, apiuser, repoid, pullrequestid,
                        userid=Optional(OAttr('apiuser'))):
     """
     Merge the pull request specified by `pullrequestid` into its target
     repository.
 
     :param apiuser: This is filled automatically from the |authtoken|.
     :type apiuser: AuthUser
     :param repoid: The Repository name or repository ID of the
         target repository to which the |pr| is to be merged.
     :type repoid: str or int
     :param pullrequestid: ID of the pull request which shall be merged.
     :type pullrequestid: int
     :param userid: Merge the pull request as this user.
     :type userid: Optional(str or int)
 
     Example output:
 
     .. code-block:: bash
 
       "id": <id_given_in_input>,
       "result":
         {
             "executed":         "<bool>",
             "failure_reason":   "<int>",
             "merge_commit_id":  "<merge_commit_id>",
             "possible":         "<bool>"
         },
       "error": null
 
     """
     repo = get_repo_or_error(repoid)
     if not isinstance(userid, Optional):
         if (has_superadmin_permission(apiuser) or
                 HasRepoPermissionAnyApi('repository.admin')(
                     user=apiuser, repo_name=repo.repo_name)):
             apiuser = get_user_or_error(userid)
         else:
             raise JSONRPCError('userid is not the same as your user')
 
     pull_request = get_pull_request_or_error(pullrequestid)
     if not PullRequestModel().check_user_merge(
             pull_request, apiuser, api=True):
         raise JSONRPCError('repository `%s` does not exist' % (repoid,))
     if pull_request.is_closed():
         raise JSONRPCError(
             'pull request `%s` merge failed, pull request is closed' % (
                 pullrequestid,))
 
     target_repo = pull_request.target_repo
     extras = vcs_operation_context(
         request.environ, repo_name=target_repo.repo_name,
         username=apiuser.username, action='push',
         scm=target_repo.repo_type)
     data = PullRequestModel().merge(pull_request, apiuser, extras=extras)
     if data.executed:
         PullRequestModel().close_pull_request(
             pull_request.pull_request_id, apiuser)
 
         Session().commit()
     return data
 
 
 @jsonrpc_method()
 def close_pull_request(request, apiuser, repoid, pullrequestid,
                        userid=Optional(OAttr('apiuser'))):
     """
     Close the pull request specified by `pullrequestid`.
 
     :param apiuser: This is filled automatically from the |authtoken|.
     :type apiuser: AuthUser
     :param repoid: Repository name or repository ID to which the pull
         request belongs.
     :type repoid: str or int
     :param pullrequestid: ID of the pull request to be closed.
     :type pullrequestid: int
     :param userid: Close the pull request as this user.
     :type userid: Optional(str or int)
 
     Example output:
 
     .. code-block:: bash
 
       "id": <id_given_in_input>,
       "result":
         {
             "pull_request_id":  "<int>",
             "closed":           "<bool>"
         },
       "error": null
 
     """
     repo = get_repo_or_error(repoid)
     if not isinstance(userid, Optional):
         if (has_superadmin_permission(apiuser) or
                 HasRepoPermissionAnyApi('repository.admin')(
                     user=apiuser, repo_name=repo.repo_name)):
             apiuser = get_user_or_error(userid)
         else:
             raise JSONRPCError('userid is not the same as your user')
 
     pull_request = get_pull_request_or_error(pullrequestid)
     if not PullRequestModel().check_user_update(
             pull_request, apiuser, api=True):
         raise JSONRPCError(
             'pull request `%s` close failed, no permission to close.' % (
                 pullrequestid,))
     if pull_request.is_closed():
         raise JSONRPCError(
             'pull request `%s` is already closed' % (pullrequestid,))
 
     PullRequestModel().close_pull_request(
         pull_request.pull_request_id, apiuser)
     Session().commit()
     data = {
         'pull_request_id': pull_request.pull_request_id,
         'closed': True,
     }
     return data
 
 
 @jsonrpc_method()
 def comment_pull_request(request, apiuser, repoid, pullrequestid,
                          message=Optional(None), status=Optional(None),
                          userid=Optional(OAttr('apiuser'))):
     """
     Comment on the pull request specified with the `pullrequestid`,
     in the |repo| specified by the `repoid`, and optionally change the
     review status.
 
     :param apiuser: This is filled automatically from the |authtoken|.
     :type apiuser: AuthUser
     :param repoid: The repository name or repository ID.
     :type repoid: str or int
     :param pullrequestid: The pull request ID.
     :type pullrequestid: int
     :param message: The text content of the comment.
     :type message: str
     :param status: (**Optional**) Set the approval status of the pull
         request. Valid options are:
         * not_reviewed
         * approved
         * rejected
         * under_review
     :type status: str
     :param userid: Comment on the pull request as this user
     :type userid: Optional(str or int)
 
     Example output:
 
     .. code-block:: bash
 
       id : <id_given_in_input>
       result :
         {
             "pull_request_id":  "<Integer>",
             "comment_id":       "<Integer>"
         }
       error :  null
     """
     repo = get_repo_or_error(repoid)
     if not isinstance(userid, Optional):
         if (has_superadmin_permission(apiuser) or
                 HasRepoPermissionAnyApi('repository.admin')(
                     user=apiuser, repo_name=repo.repo_name)):
             apiuser = get_user_or_error(userid)
         else:
             raise JSONRPCError('userid is not the same as your user')
 
     pull_request = get_pull_request_or_error(pullrequestid)
     if not PullRequestModel().check_user_read(
             pull_request, apiuser, api=True):
         raise JSONRPCError('repository `%s` does not exist' % (repoid,))
     message = Optional.extract(message)
     status = Optional.extract(status)
     if not message and not status:
         raise JSONRPCError('message and status parameter missing')
 
     if (status not in (st[0] for st in ChangesetStatus.STATUSES) and
             status is not None):
         raise JSONRPCError('unknown comment status`%s`' % status)
 
     allowed_to_change_status = PullRequestModel().check_user_change_status(
         pull_request, apiuser)
     text = message
     if status and allowed_to_change_status:
         st_message = (('Status change %(transition_icon)s %(status)s')
                       % {'transition_icon': '>',
                          'status': ChangesetStatus.get_status_lbl(status)})
         text = message or st_message
 
     rc_config = SettingsModel().get_all_settings()
     renderer = rc_config.get('rhodecode_markup_renderer', 'rst')
     comment = ChangesetCommentsModel().create(
         text=text,
         repo=pull_request.target_repo.repo_id,
         user=apiuser.user_id,
         pull_request=pull_request.pull_request_id,
         f_path=None,
         line_no=None,
         status_change=(ChangesetStatus.get_status_lbl(status)
                        if status and allowed_to_change_status else None),
         status_change_type=(status
                             if status and allowed_to_change_status else None),
         closing_pr=False,
         renderer=renderer
     )
 
     if allowed_to_change_status and status:
         ChangesetStatusModel().set_status(
             pull_request.target_repo.repo_id,
             status,
             apiuser.user_id,
             comment,
             pull_request=pull_request.pull_request_id
         )
         Session().flush()
 
     Session().commit()
     data = {
         'pull_request_id': pull_request.pull_request_id,
         'comment_id': comment.comment_id,
         'status': status
     }
     return data
 
 
 @jsonrpc_method()
 def create_pull_request(
         request, apiuser, source_repo, target_repo, source_ref, target_ref,
         title, description=Optional(''), reviewers=Optional(None)):
     """
     Creates a new pull request.
 
     Accepts refs in the following formats:
 
         * branch:<branch_name>:<sha>
         * branch:<branch_name>
         * bookmark:<bookmark_name>:<sha> (Mercurial only)
         * bookmark:<bookmark_name> (Mercurial only)
 
     :param apiuser: This is filled automatically from the |authtoken|.
     :type apiuser: AuthUser
     :param source_repo: Set the source repository name.
     :type source_repo: str
     :param target_repo: Set the target repository name.
     :type target_repo: str
     :param source_ref: Set the source ref name.
     :type source_ref: str
     :param target_ref: Set the target ref name.
     :type target_ref: str
     :param title: Set the pull request title.
     :type title: str
     :param description: Set the pull request description.
     :type description: Optional(str)
     :param reviewers: Set the new pull request reviewers list.
     :type reviewers: Optional(list)
         Accepts username strings or objects of the format:
         {
             'username': 'nick', 'reasons': ['original author']
         }
     """
 
     source = get_repo_or_error(source_repo)
     target = get_repo_or_error(target_repo)
     if not has_superadmin_permission(apiuser):
         _perms = ('repository.admin', 'repository.write', 'repository.read',)
         has_repo_permissions(apiuser, source_repo, source, _perms)
 
     full_source_ref = resolve_ref_or_error(source_ref, source)
     full_target_ref = resolve_ref_or_error(target_ref, target)
     source_commit = get_commit_or_error(full_source_ref, source)
     target_commit = get_commit_or_error(full_target_ref, target)
     source_scm = source.scm_instance()
     target_scm = target.scm_instance()
 
     commit_ranges = target_scm.compare(
         target_commit.raw_id, source_commit.raw_id, source_scm,
         merge=True, pre_load=[])
 
     ancestor = target_scm.get_common_ancestor(
         target_commit.raw_id, source_commit.raw_id, source_scm)
 
     if not commit_ranges:
         raise JSONRPCError('no commits found')
 
     if not ancestor:
         raise JSONRPCError('no common ancestor found')
 
     reviewer_objects = Optional.extract(reviewers) or []
     if not isinstance(reviewer_objects, list):
         raise JSONRPCError('reviewers should be specified as a list')
 
     reviewers_reasons = []
     for reviewer_object in reviewer_objects:
         reviewer_reasons = []
         if isinstance(reviewer_object, (basestring, int)):
             reviewer_username = reviewer_object
         else:
             reviewer_username = reviewer_object['username']
             reviewer_reasons = reviewer_object.get('reasons', [])
 
         user = get_user_or_error(reviewer_username)
         reviewers_reasons.append((user.user_id, reviewer_reasons))
 
     pull_request_model = PullRequestModel()
     pull_request = pull_request_model.create(
         created_by=apiuser.user_id,
         source_repo=source_repo,
         source_ref=full_source_ref,
         target_repo=target_repo,
         target_ref=full_target_ref,
         revisions=reversed(
             [commit.raw_id for commit in reversed(commit_ranges)]),
         reviewers=reviewers_reasons,
         title=title,
         description=Optional.extract(description)
     )
 
     Session().commit()
     data = {
         'msg': 'Created new pull request `{}`'.format(title),
         'pull_request_id': pull_request.pull_request_id,
     }
     return data
 
 
 @jsonrpc_method()
 def update_pull_request(
         request, apiuser, repoid, pullrequestid, title=Optional(''),
         description=Optional(''), reviewers=Optional(None),
         update_commits=Optional(None), close_pull_request=Optional(None)):
     """
     Updates a pull request.
 
     :param apiuser: This is filled automatically from the |authtoken|.
     :type apiuser: AuthUser
     :param repoid: The repository name or repository ID.
     :type repoid: str or int
     :param pullrequestid: The pull request ID.
     :type pullrequestid: int
     :param title: Set the pull request title.
     :type title: str
     :param description: Update pull request description.
     :type description: Optional(str)
     :param reviewers: Update pull request reviewers list with new value.
     :type reviewers: Optional(list)
     :param update_commits: Trigger update of commits for this pull request
     :type: update_commits: Optional(bool)
     :param close_pull_request: Close this pull request with rejected state
     :type: close_pull_request: Optional(bool)
 
     Example output:
 
     .. code-block:: bash
 
       id : <id_given_in_input>
       result :
         {
             "msg": "Updated pull request `63`",
             "pull_request": <pull_request_object>,
             "updated_reviewers": {
               "added": [
                 "username"
               ],
               "removed": []
             },
             "updated_commits": {
               "added": [
                 "<sha1_hash>"
               ],
               "common": [
                 "<sha1_hash>",
                 "<sha1_hash>",
               ],
               "removed": []
             }
         }
       error :  null
     """
 
     repo = get_repo_or_error(repoid)
     pull_request = get_pull_request_or_error(pullrequestid)
     if not PullRequestModel().check_user_update(
             pull_request, apiuser, api=True):
         raise JSONRPCError(
             'pull request `%s` update failed, no permission to update.' % (
                 pullrequestid,))
     if pull_request.is_closed():
         raise JSONRPCError(
             'pull request `%s` update failed, pull request is closed' % (
                 pullrequestid,))
 
     reviewer_objects = Optional.extract(reviewers) or []
     if not isinstance(reviewer_objects, list):
         raise JSONRPCError('reviewers should be specified as a list')
 
     reviewers_reasons = []
     reviewer_ids = set()
     for reviewer_object in reviewer_objects:
         reviewer_reasons = []
         if isinstance(reviewer_object, (int, basestring)):
             reviewer_username = reviewer_object
         else:
             reviewer_username = reviewer_object['username']
             reviewer_reasons = reviewer_object.get('reasons', [])
 
         user = get_user_or_error(reviewer_username)
         reviewer_ids.add(user.user_id)
         reviewers_reasons.append((user.user_id, reviewer_reasons))
 
     title = Optional.extract(title)
     description = Optional.extract(description)
     if title or description:
         PullRequestModel().edit(
             pull_request, title or pull_request.title,
             description or pull_request.description)
         Session().commit()
 
     commit_changes = {"added": [], "common": [], "removed": []}
     if str2bool(Optional.extract(update_commits)):
         if PullRequestModel().has_valid_update_type(pull_request):
             _version, _commit_changes = PullRequestModel().update_commits(
                 pull_request)
             commit_changes = _commit_changes or commit_changes
         Session().commit()
 
     reviewers_changes = {"added": [], "removed": []}
     if reviewer_ids:
         added_reviewers, removed_reviewers = \
             PullRequestModel().update_reviewers(pull_request, reviewers_reasons)
 
         reviewers_changes['added'] = sorted(
             [get_user_or_error(n).username for n in added_reviewers])
         reviewers_changes['removed'] = sorted(
             [get_user_or_error(n).username for n in removed_reviewers])
         Session().commit()
 
     if str2bool(Optional.extract(close_pull_request)):
         PullRequestModel().close_pull_request_with_comment(
             pull_request, apiuser, repo)
         Session().commit()
 
     data = {
         'msg': 'Updated pull request `{}`'.format(
             pull_request.pull_request_id),
         'pull_request': pull_request.get_api_data(),
         'updated_commits': commit_changes,
         'updated_reviewers': reviewers_changes
     }
     return data