rmap.connect('compare_home',

                 '/{repo_name:.*?}/compare',

                 controller='compare', action='index',

                 conditions=dict(function=check_repo))

    rmap.connect('compare_url',

                 '/{repo_name:.*?}/compare/{org_ref_type}@{org_ref_name:.*?}...{other_ref_type}@{other_ref_name:.*?}',

                 controller='compare', action='compare',

                 conditions=dict(function=check_repo),

                 requirements=dict(

                            org_ref_type='(branch|book|tag|rev|__other_ref_type__)',

                            other_ref_type='(branch|book|tag|rev|__org_ref_type__)')

                 )

    rmap.connect('pullrequest_home',

                 '/{repo_name:.*?}/pull-request/new', controller='pullrequests',

                 action='index', conditions=dict(function=check_repo,

                                                 method=["GET"]))

    rmap.connect('pullrequest',

                 '/{repo_name:.*?}/pull-request/new', controller='pullrequests',

                 action='create', conditions=dict(function=check_repo,

                                                  method=["POST"]))

    rmap.connect('pullrequest_show',

                 '/{repo_name:.*?}/pull-request/{pull_request_id}',

                 controller='pullrequests',

                 action='show', conditions=dict(function=check_repo,

                                                method=["GET"]))

    rmap.connect('pullrequest_post',

                 '/{repo_name:.*?}/pull-request/{pull_request_id}',

                 controller='pullrequests',

                 action='post', conditions=dict(function=check_repo,

                                                method=["POST"]))

    rmap.connect('pullrequest_update',

                 '/{repo_name:.*?}/pull-request/{pull_request_id}',

                 controller='pullrequests',

                 action='update', conditions=dict(function=check_repo,

                                                method=["PUT"]))

    rmap.connect('pullrequest_delete',

                 '/{repo_name:.*?}/pull-request/{pull_request_id}',

                 controller='pullrequests',

                 action='delete', conditions=dict(function=check_repo,

                                                method=["DELETE"]))

    rmap.connect('pullrequest_show_all',

                 '/{repo_name:.*?}/pull-request',

                 controller='pullrequests',

# 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 General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

"""

kallithea.controllers.pullrequests

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

pull requests controller for Kallithea for initializing pull requests

This file was forked by the Kallithea project in July 2014.

Original author and date, and relevant copyright and licensing information is below:

:created_on: May 7, 2012

:author: marcink

:copyright: (c) 2013 RhodeCode GmbH, and others.

:license: GPLv3, see LICENSE.md for more details.

"""

import logging

import traceback

import formencode

from webob.exc import HTTPNotFound, HTTPForbidden

from collections import defaultdict

from itertools import groupby

from pylons import request, tmpl_context as c, url

from pylons.controllers.util import redirect

from pylons.i18n.translation import _

from kallithea.lib.compat import json

from kallithea.lib.base import BaseRepoController, render

from kallithea.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator,\

    NotAnonymous

from kallithea.lib.helpers import Page

from kallithea.lib import helpers as h

from kallithea.lib import diffs

from kallithea.lib.utils import action_logger, jsonify

from kallithea.lib.vcs.utils import safe_str

from kallithea.lib.vcs.exceptions import EmptyRepositoryError

from kallithea.lib.diffs import LimitedDiffContainer

from kallithea.model.db import  PullRequest, ChangesetStatus, ChangesetComment,\

    PullRequestReviewers

from kallithea.model.pull_request import PullRequestModel

from kallithea.model.meta import Session

                  (tags, _("Tags")),

                  ]

        return [g for g in groups if g[0]], selected

    def _get_is_allowed_change_status(self, pull_request):

        owner = self.authuser.user_id == pull_request.user_id

        reviewer = self.authuser.user_id in [x.user_id for x in

                                                   pull_request.reviewers]

        return self.authuser.admin or owner or reviewer

    def _load_compare_data(self, pull_request, enable_comments=True):

        """

        Load context data needed for generating compare diff

        :param pull_request:

        """

        c.org_repo = pull_request.org_repo

        (c.org_ref_type,

         c.org_ref_name,

         c.org_rev) = pull_request.org_ref.split(':')

        c.other_repo = pull_request.other_repo

        (c.other_ref_type,

         c.other_ref_name,

        org_scm_instance = c.org_repo.scm_instance # property with expensive cache invalidation check!!!

        c.cs_repo = c.org_repo

        c.cs_ranges = [org_scm_instance.get_changeset(x) for x in pull_request.revisions]

        c.cs_ranges_org = None # not stored and not important and moving target - could be calculated ...

        revs = [ctx.revision for ctx in reversed(c.cs_ranges)]

        c.jsdata = json.dumps(graph_data(org_scm_instance, revs))

        raw_ids = [x.raw_id for x in c.cs_ranges]

        c.cs_comments = c.org_repo.get_comments(raw_ids)

        c.statuses = c.org_repo.statuses(raw_ids)

        ignore_whitespace = request.GET.get('ignorews') == '1'

        line_context = request.GET.get('context', 3)

        c.ignorews_url = _ignorews_url

        c.context_url = _context_url

        c.fulldiff = request.GET.get('fulldiff')

        diff_limit = self.cut_off_limit if not c.fulldiff else None

        # we swap org/other ref since we run a simple diff on one repo

        log.debug('running diff between %s and %s in %s'

                  % (c.other_rev, c.org_rev, org_scm_instance.path))

        txtdiff = org_scm_instance.get_diff(rev1=safe_str(c.other_rev), rev2=safe_str(c.org_rev),

                                      ignore_whitespace=ignore_whitespace,

                                      context=line_context)

        diff_processor = diffs.DiffProcessor(txtdiff or '', format='gitdiff',

                                             diff_limit=diff_limit)

        _parsed = diff_processor.prepare()

        c.limited_diff = False

        if isinstance(_parsed, LimitedDiffContainer):

            return redirect(url('pullrequest_home', repo_name=repo_name)) ## would rather just go back to form ...

        # heads up: org and other might seem backward here ...

        org_repo_name = _form['org_repo']

        org_ref = _form['org_ref'] # will have merge_rev as rev but symbolic name

        org_repo = RepoModel()._get_repo(org_repo_name)

        (org_ref_type,

         org_ref_name,

         org_rev) = org_ref.split(':')

        other_repo_name = _form['other_repo']

        other_ref = _form['other_ref'] # will have symbolic name and head revision

        other_repo = RepoModel()._get_repo(other_repo_name)

        (other_ref_type,

         other_ref_name,

         other_rev) = other_ref.split(':')

        cs_ranges, _cs_ranges_not, ancestor_rev = \

            CompareController._get_changesets(org_repo.scm_instance.alias,

                                              other_repo.scm_instance, other_rev, # org and other "swapped"

                                              org_repo.scm_instance, org_rev,

                                              )

        revisions = [cs.raw_id for cs in cs_ranges]

        # requested destination and have the exact ancestor

        other_ref = '%s:%s:%s' % (other_ref_type, other_ref_name, ancestor_rev)

        reviewers = _form['review_members']

        title = _form['pullrequest_title']

        if not title:

            title = '%s#%s to %s#%s' % (org_repo_name, h.short_ref(org_ref_type, org_ref_name),

                                        other_repo_name, h.short_ref(other_ref_type, other_ref_name))

        description = _form['pullrequest_desc'].strip() or _('No description')

        try:

            pull_request = PullRequestModel().create(

                self.authuser.user_id, org_repo_name, org_ref, other_repo_name,

                other_ref, revisions, reviewers, title, description

            )

            Session().commit()

            h.flash(_('Successfully opened new pull request'),

                    category='success')

        except Exception:

            h.flash(_('Error occurred while creating pull request'),

                    category='error')

            log.error(traceback.format_exc())

            return redirect(url('pullrequest_home', repo_name=repo_name))

        return redirect(url('pullrequest_show', repo_name=other_repo_name,

                            pull_request_id=pull_request.pull_request_id))

    @LoginRequired()

    @NotAnonymous()

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    def post(self, repo_name, pull_request_id):

        repo = RepoModel()._get_repo(repo_name)

        pull_request = PullRequest.get_or_404(pull_request_id)

        _form = PullRequestPostForm()().to_python(request.POST)

        pull_request.title = _form['pullrequest_title']

        pull_request.description = _form['pullrequest_desc'].strip() or _('No description')

        Session().commit()

        h.flash(_('Pull request updated'), category='success')

        return redirect(url('pullrequest_show', repo_name=repo.repo_name,

                            pull_request_id=pull_request_id))

    @LoginRequired()

    @NotAnonymous()

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    @jsonify

    def update(self, repo_name, pull_request_id):

        pull_request = PullRequest.get_or_404(pull_request_id)

        if pull_request.is_closed():

            raise HTTPForbidden()

        #only owner or admin can update it

        owner = pull_request.author.user_id == c.authuser.user_id

        repo_admin = h.HasRepoPermissionAny('repository.admin')(c.repo_name)

        if h.HasPermissionAny('hg.admin') or repo_admin or owner:

            reviewers_ids = map(int, filter(lambda v: v not in [None, ''],

                request.POST.get('reviewers_ids', '').split(',')))

            PullRequestModel().update_reviewers(pull_request_id, reviewers_ids)

            Session().commit()

            return True

        raise HTTPForbidden()

    @LoginRequired()

    @NotAnonymous()

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                %endif

                ${h.changeset_status_lbl(c.current_voting_result)}

              </div>

            %endif

            </div>

          </div>

        </div>

        <div class="field">

          <div class="label-summary">

              <label>${_('Still not reviewed by')}:</label>

          </div>

          <div class="input">

            % if len(c.pull_request_pending_reviewers) > 0:

                <div class="tooltip" title="${h.tooltip(', '.join([x.username for x in c.pull_request_pending_reviewers]))}">${ungettext('%d reviewer', '%d reviewers',len(c.pull_request_pending_reviewers)) % len(c.pull_request_pending_reviewers)}</div>

            % elif len(c.pull_request_reviewers) > 0:

                <div>${_('Pull request was reviewed by all reviewers')}</div>

            %else:

                <div>${_('There are no reviewers')}</div>

            %endif

          </div>

        </div>

        <div class="field">

          <div class="label-summary">

          </div>

          <div class="input">

              <div>

              </div>

          </div>

        </div>

        <div class="field">

          <div class="label-summary">

          </div>

          <div class="input">

              <div>

              </div>

          </div>

        </div>

        <div class="field">

          <div class="label-summary">

              <label>${_('Pull changes')}:</label>

          </div>

          <div class="input">

              <div>

               ## TODO: use cs_ranges[-1] or org_ref_parts[1] in both cases?

               %if h.is_hg(c.pull_request.org_repo):

                 <span style="font-family: monospace">hg pull ${c.pull_request.org_repo.clone_url()} -r ${h.short_id(c.cs_ranges[-1].raw_id)}</span>

               %elif h.is_git(c.pull_request.org_repo):

                 <span style="font-family: monospace">git pull ${c.pull_request.org_repo.clone_url()} ${c.pull_request.org_ref_parts[1]}</span>

               %endif

              </div>

          </div>

        </div>

        <div class="field">

          <div class="label-summary">

              <label>${_('Created on')}:</label>

          </div>

          <div class="input">

              <div>${h.fmt_date(c.pull_request.created_on)}</div>

          </div>

        </div>

        <div class="field">

          <div class="label-summary">

              <label>${_('Created by')}:</label>

          </div>

          <div class="input">

              <div class="author">

                  <div class="gravatar">

                      <img alt="gravatar" src="${h.gravatar_url(c.pull_request.author.email,20)}"/>

                  </div>

                  <span>${c.pull_request.author.username_and_name}</span><br/>

                  <span><a href="mailto:${c.pull_request.author.email}">${c.pull_request.author.email}</a></span><br/>

              </div>

          </div>

        </div>

      </div>

    </div>

    ## REVIEWERS

    <div style="float:left; border-left:1px dashed #eee">

       <div class="pr-details-title">${_('Pull request reviewers')}</div>

        <div id="reviewers" style="padding:0px 0px 5px 10px">

          ## members goes here !

          <div>

            <ul id="review_members" class="group_members">

            %for member,status in c.pull_request_reviewers:

              <li id="reviewer_${member.user_id}">

                <div class="reviewers_member">

                    <div class="reviewer_status tooltip" title="${h.tooltip(h.changeset_status_lbl(status.status if status else 'not_reviewed'))}">

                      <img src="${h.url(str('/images/icons/flag_status_%s.png' % (status.status if status else 'not_reviewed')))}"/>

                    </div>

                  <div class="reviewer_gravatar gravatar"><img alt="gravatar" src="${h.gravatar_url(member.email,14)}"/> </div>

                  <div style="float:left;">${member.full_name} (${_('owner') if c.pull_request.user_id == member.user_id else _('reviewer')})</div>

                  <input type="hidden" value="${member.user_id}" name="review_members" />

                  %if not c.pull_request.is_closed() and (h.HasPermissionAny('hg.admin')() or h.HasRepoPermissionAny('repository.admin')(c.repo_name) or c.pull_request.user_id == c.authuser.user_id):

                  <div class="reviewer_member_remove action_button" onclick="removeReviewMember(${member.user_id})" title="${_('Remove reviewer')}">

                      <i class="icon-remove-sign" style="color: #FF4444;"></i>

                  </div>

                  %endif

                </div>