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changeset_status.py
268 lines | 10.2 KiB | text/x-python | PythonLexer
# -*- coding: utf-8 -*-
# Copyright (C) 2010-2016 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/
"""
Changeset status conttroller
"""
import itertools
import logging
from collections import defaultdict
from rhodecode.model import BaseModel
from rhodecode.model.db import ChangesetStatus, ChangesetComment, PullRequest
from rhodecode.lib.exceptions import StatusChangeOnClosedPullRequestError
from rhodecode.lib.markup_renderer import (
DEFAULT_COMMENTS_RENDERER, RstTemplateRenderer)
log = logging.getLogger(__name__)
class ChangesetStatusModel(BaseModel):
cls = ChangesetStatus
def __get_changeset_status(self, changeset_status):
return self._get_instance(ChangesetStatus, changeset_status)
def __get_pull_request(self, pull_request):
return self._get_instance(PullRequest, pull_request)
def _get_status_query(self, repo, revision, pull_request,
with_revisions=False):
repo = self._get_repo(repo)
q = ChangesetStatus.query()\
.filter(ChangesetStatus.repo == repo)
if not with_revisions:
q = q.filter(ChangesetStatus.version == 0)
if revision:
q = q.filter(ChangesetStatus.revision == revision)
elif pull_request:
pull_request = self.__get_pull_request(pull_request)
# TODO: johbo: Think about the impact of this join, there must
# be a reason why ChangesetStatus and ChanagesetComment is linked
# to the pull request. Might be that we want to do the same for
# the pull_request_version_id.
q = q.join(ChangesetComment).filter(
ChangesetStatus.pull_request == pull_request,
ChangesetComment.pull_request_version_id == None)
else:
raise Exception('Please specify revision or pull_request')
q = q.order_by(ChangesetStatus.version.asc())
return q
def calculate_status(self, statuses_by_reviewers):
"""
Given the approval statuses from reviewers, calculates final approval
status. There can only be 3 results, all approved, all rejected. If
there is no consensus the PR is under review.
:param statuses_by_reviewers:
"""
votes = defaultdict(int)
reviewers_number = len(statuses_by_reviewers)
for user, reasons, statuses in statuses_by_reviewers:
if statuses:
ver, latest = statuses[0]
votes[latest.status] += 1
else:
votes[ChangesetStatus.DEFAULT] += 1
# all approved
if votes.get(ChangesetStatus.STATUS_APPROVED) == reviewers_number:
return ChangesetStatus.STATUS_APPROVED
# all rejected
if votes.get(ChangesetStatus.STATUS_REJECTED) == reviewers_number:
return ChangesetStatus.STATUS_REJECTED
return ChangesetStatus.STATUS_UNDER_REVIEW
def get_statuses(self, repo, revision=None, pull_request=None,
with_revisions=False):
q = self._get_status_query(repo, revision, pull_request,
with_revisions)
return q.all()
def get_status(self, repo, revision=None, pull_request=None, as_str=True):
"""
Returns latest status of changeset for given revision or for given
pull request. Statuses are versioned inside a table itself and
version == 0 is always the current one
:param repo:
:param revision: 40char hash or None
:param pull_request: pull_request reference
:param as_str: return status as string not object
"""
q = self._get_status_query(repo, revision, pull_request)
# need to use first here since there can be multiple statuses
# returned from pull_request
status = q.first()
if as_str:
status = status.status if status else status
st = status or ChangesetStatus.DEFAULT
return str(st)
return status
def _render_auto_status_message(
self, status, commit_id=None, pull_request=None):
"""
render the message using DEFAULT_COMMENTS_RENDERER (RST renderer),
so it's always looking the same disregarding on which default
renderer system is using.
:param status: status text to change into
:param commit_id: the commit_id we change the status for
:param pull_request: the pull request we change the status for
"""
new_status = ChangesetStatus.get_status_lbl(status)
params = {
'new_status_label': new_status,
'pull_request': pull_request,
'commit_id': commit_id,
}
renderer = RstTemplateRenderer()
return renderer.render('auto_status_change.mako', **params)
def set_status(self, repo, status, user, comment=None, revision=None,
pull_request=None, dont_allow_on_closed_pull_request=False):
"""
Creates new status for changeset or updates the old ones bumping their
version, leaving the current status at
:param repo:
:param revision:
:param status:
:param user:
:param comment:
:param dont_allow_on_closed_pull_request: don't allow a status change
if last status was for pull request and it's closed. We shouldn't
mess around this manually
"""
repo = self._get_repo(repo)
q = ChangesetStatus.query()
if revision:
q = q.filter(ChangesetStatus.repo == repo)
q = q.filter(ChangesetStatus.revision == revision)
elif pull_request:
pull_request = self.__get_pull_request(pull_request)
q = q.filter(ChangesetStatus.repo == pull_request.source_repo)
q = q.filter(ChangesetStatus.revision.in_(pull_request.revisions))
cur_statuses = q.all()
# if statuses exists and last is associated with a closed pull request
# we need to check if we can allow this status change
if (dont_allow_on_closed_pull_request and cur_statuses
and getattr(cur_statuses[0].pull_request, 'status', '')
== PullRequest.STATUS_CLOSED):
raise StatusChangeOnClosedPullRequestError(
'Changing status on closed pull request is not allowed'
)
# update all current statuses with older version
if cur_statuses:
for st in cur_statuses:
st.version += 1
self.sa.add(st)
def _create_status(user, repo, status, comment, revision, pull_request):
new_status = ChangesetStatus()
new_status.author = self._get_user(user)
new_status.repo = self._get_repo(repo)
new_status.status = status
new_status.comment = comment
new_status.revision = revision
new_status.pull_request = pull_request
return new_status
if not comment:
from rhodecode.model.comment import ChangesetCommentsModel
comment = ChangesetCommentsModel().create(
text=self._render_auto_status_message(
status, commit_id=revision, pull_request=pull_request),
repo=repo,
user=user,
pull_request=pull_request,
send_email=False, renderer=DEFAULT_COMMENTS_RENDERER
)
if revision:
new_status = _create_status(
user=user, repo=repo, status=status, comment=comment,
revision=revision, pull_request=pull_request)
self.sa.add(new_status)
return new_status
elif pull_request:
# pull request can have more than one revision associated to it
# we need to create new version for each one
new_statuses = []
repo = pull_request.source_repo
for rev in pull_request.revisions:
new_status = _create_status(
user=user, repo=repo, status=status, comment=comment,
revision=rev, pull_request=pull_request)
new_statuses.append(new_status)
self.sa.add(new_status)
return new_statuses
def reviewers_statuses(self, pull_request):
_commit_statuses = self.get_statuses(
pull_request.source_repo,
pull_request=pull_request,
with_revisions=True)
commit_statuses = defaultdict(list)
for st in _commit_statuses:
commit_statuses[st.author.username] += [st]
pull_request_reviewers = []
def version(commit_status):
return commit_status.version
for o in pull_request.reviewers:
if not o.user:
continue
st = commit_statuses.get(o.user.username, None)
if st:
st = [(x, list(y)[0])
for x, y in (itertools.groupby(sorted(st, key=version),
version))]
pull_request_reviewers.append((o.user, o.reasons, st))
return pull_request_reviewers
def calculated_review_status(self, pull_request, reviewers_statuses=None):
"""
calculate pull request status based on reviewers, it should be a list
of two element lists.
:param reviewers_statuses:
"""
reviewers = reviewers_statuses or self.reviewers_statuses(pull_request)
return self.calculate_status(reviewers)