c.changes.append(('changed', node, diff, cs1, cs2))

        response.content_type = 'text/plain'

        if method == 'download':

            response.content_disposition = 'attachment; filename=%s.patch' \

                                            % revision

        c.parent_tmpl = ''.join(['# Parent  %s\n' % x.raw_id

                                 for x in c.changeset.parents])

        c.diffs = ''

        for x in c.changes:

            c.diffs += x[2]

        return render('changeset/raw_changeset.html')

    @jsonify

    def comment(self, repo_name, revision):

        status = request.POST.get('changeset_status')

        change_status = request.POST.get('change_changeset_status')

        comm = ChangesetCommentsModel().create(

            text=request.POST.get('text'),

            revision=revision,

            f_path=request.POST.get('f_path'),

            line_no=request.POST.get('line'),

            status_change=(ChangesetStatus.get_status_lbl(status)

                           if status and change_status else None)

        )

        # get status if set !

        if status and change_status:

            ChangesetStatusModel().set_status(

                c.rhodecode_db_repo.repo_id,

                status,

                c.rhodecode_user.user_id,

                comm,

                revision=revision,

            )

        action_logger(self.rhodecode_user,

                      'user_commented_revision:%s' % revision,

                      c.rhodecode_db_repo, self.ip_addr, self.sa)

        Session.commit()

        if not request.environ.get('HTTP_X_PARTIAL_XHR'):

            return redirect(h.url('changeset_home', repo_name=repo_name,

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# 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/>.

import logging

import traceback

from webob.exc import HTTPNotFound, HTTPForbidden

from collections import defaultdict

from itertools import groupby

from pylons import request, response, session, tmpl_context as c, url

from pylons.controllers.util import abort, redirect

from pylons.i18n.translation import _

from pylons.decorators import jsonify

from rhodecode.lib.base import BaseRepoController, render

from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator

from rhodecode.lib import helpers as h

from rhodecode.lib import diffs

from rhodecode.lib.utils import action_logger

from rhodecode.model.db import User, PullRequest, ChangesetStatus,\

    ChangesetComment

from rhodecode.model.pull_request import PullRequestModel

from rhodecode.model.meta import Session

from rhodecode.model.repo import RepoModel

from rhodecode.model.comment import ChangesetCommentsModel

from rhodecode.model.changeset_status import ChangesetStatusModel

log = logging.getLogger(__name__)

class PullrequestsController(BaseRepoController):

    @LoginRequired()

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

                                   'repository.admin')

    def __before__(self):

        super(PullrequestsController, self).__before__()

                         k, v in repo.branches.iteritems()], _("Branches"))

        bookmarks_group = ([('book:%s:%s' % (k, v), k) for

                         k, v in repo.bookmarks.iteritems()], _("Bookmarks"))

        tags_group = ([('tag:%s:%s' % (k, v), k) for

                         k, v in repo.tags.iteritems()], _("Tags"))

        hist_l.append(bookmarks_group)

        hist_l.append(branches_group)

        hist_l.append(tags_group)

        return hist_l

    def show_all(self, repo_name):

        c.pull_requests = PullRequestModel().get_all(repo_name)

        c.repo_name = repo_name

        return render('/pullrequests/pullrequest_show_all.html')

    def index(self):

        org_repo = c.rhodecode_db_repo

        if org_repo.scm_instance.alias != 'hg':

            log.error('Review not available for GIT REPOS')

            raise HTTPNotFound

        c.org_refs = self._get_repo_refs(c.rhodecode_repo)

        c.org_repos = []

        c.other_repos = []

        c.org_repos.append((org_repo.repo_name, '%s/%s' % (

                                org_repo.user.username, c.repo_name))

                           )

        c.other_refs = c.org_refs

        c.other_repos.extend(c.org_repos)

        c.default_pull_request = org_repo.repo_name

        #gather forks and add to this list

        for fork in org_repo.forks:

            c.other_repos.append((fork.repo_name, '%s/%s' % (

                                    fork.user.username, fork.repo_name))

                                 )

        #add parents of this fork also

        if org_repo.parent:

            c.default_pull_request = org_repo.parent.repo_name

            c.other_repos.append((org_repo.parent.repo_name, '%s/%s' % (

                                        org_repo.parent.user.username,

                                        org_repo.parent.repo_name))

                                     )

        c.review_members = []

        c.available_members = []

        for u in User.query().filter(User.username != 'default').all():

            uname = u.username

            if org_repo.user == u:

                uname = _('%s (owner)' % u.username)

                # auto add owner to pull-request recipients

                c.review_members.append([u.user_id, uname])

            c.available_members.append([u.user_id, uname])

        return render('/pullrequests/pullrequest.html')

    def create(self, repo_name):

        req_p = request.POST

        org_repo = req_p['org_repo']

        org_ref = req_p['org_ref']

        other_repo = req_p['other_repo']

        other_ref = req_p['other_ref']

        revisions = req_p.getall('revisions')

        reviewers = req_p.getall('review_members')

        #TODO: wrap this into a FORM !!!

        title = req_p['pullrequest_title']

        description = req_p['pullrequest_desc']

        try:

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

                    category='success')

        except Exception:

            h.flash(_('Error occurred during sending pull request'),

                    category='error')

            log.error(traceback.format_exc())

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

                            pull_request_id=pull_request.pull_request_id))

    def _load_compare_data(self, pull_request):

        """

        Load context data needed for generating compare diff

        :param pull_request:

        :type pull_request:

        """

        org_repo = pull_request.org_repo

        org_ref_type, org_ref_, org_ref = pull_request.org_ref.split(':')

        other_repo = pull_request.other_repo

        other_ref_type, other_ref, other_ref_ = pull_request.other_ref.split(':')

        org_ref = (org_ref_type, org_ref)

        other_ref = (other_ref_type, other_ref)

        c.org_repo = org_repo

        c.other_repo = other_repo

        c.cs_ranges, discovery_data = PullRequestModel().get_compare_data(

        # count inline comments

        for __, lines in c.inline_comments:

            for comments in lines.values():

                c.inline_cnt += len(comments)

        # comments

        c.comments = cc_model.get_comments(c.rhodecode_db_repo.repo_id,

                                           pull_request=pull_request_id)

        # changeset(pull-request) status

        c.current_changeset_status = cs_model.calculate_status(

                                        c.pull_request_reviewers

                                     )

        c.changeset_statuses = ChangesetStatus.STATUSES

        c.target_repo = c.pull_request.org_repo.repo_name

        return render('/pullrequests/pullrequest_show.html')

    @jsonify

    def comment(self, repo_name, pull_request_id):

        status = request.POST.get('changeset_status')

        change_status = request.POST.get('change_changeset_status')

        comm = ChangesetCommentsModel().create(

            text=request.POST.get('text'),

            pull_request=pull_request_id,

            f_path=request.POST.get('f_path'),

            line_no=request.POST.get('line'),

            status_change=(ChangesetStatus.get_status_lbl(status)

                           if status and change_status else None)

        )

        # get status if set !

        if status and change_status:

            ChangesetStatusModel().set_status(

                c.rhodecode_db_repo.repo_id,

                status,

                c.rhodecode_user.user_id,

                comm,

                pull_request=pull_request_id

            )

        action_logger(self.rhodecode_user,

                      'user_commented_pull_request:%s' % pull_request_id,

                      c.rhodecode_db_repo, self.ip_addr, self.sa)

        if not request.environ.get('HTTP_X_PARTIAL_XHR'):

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

                                  pull_request_id=pull_request_id))

        data = {

           'target_id': h.safeid(h.safe_unicode(request.POST.get('f_path'))),

        }

        if comm:

            c.co = comm

            data.update(comm.get_dict())

            data.update({'rendered_text':

                         render('changeset/changeset_comment_block.html')})

        return data

    @jsonify

    def delete_comment(self, repo_name, comment_id):

        co = ChangesetComment.get(comment_id)

        owner = lambda: co.author.user_id == c.rhodecode_user.user_id

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

            ChangesetCommentsModel().delete(comment=co)

            return True

        else:

            raise HTTPForbidden()

    Notification, PullRequest

from rhodecode.model.notification import NotificationModel

log = logging.getLogger(__name__)

class ChangesetCommentsModel(BaseModel):

    cls = ChangesetComment

    def __get_changeset_comment(self, changeset_comment):

        return self._get_instance(ChangesetComment, changeset_comment)

    def __get_pull_request(self, pull_request):

        return self._get_instance(PullRequest, pull_request)

    def _extract_mentions(self, s):

        user_objects = []

        for username in extract_mentioned_users(s):

            user_obj = User.get_by_username(username, case_insensitive=True)

            if user_obj:

                user_objects.append(user_obj)

        return user_objects

               f_path=None, line_no=None, status_change=None):

        """

        Creates new comment for changeset or pull request.

        IF status_change is not none this comment is associated with a

        status change of changeset or changesets associated with pull request

        :param text:

        :param revision:

        :param pull_request:

        :param f_path:

        :param line_no:

        :param status_change:

        """

        if not text:

            return

        comment = ChangesetComment()

        comment.repo = repo

        comment.text = text

        comment.f_path = f_path

        comment.line_no = line_no

        if revision:

            cs = repo.scm_instance.get_changeset(revision)

            desc = "%s - %s" % (cs.short_id, h.shorter(cs.message, 256))

            author_email = cs.author_email

            comment.revision = revision

        elif pull_request:

            pull_request = self.__get_pull_request(pull_request)

            comment.pull_request = pull_request

        else:

            raise Exception('Please specify revision or pull_request_id')

        self.sa.add(comment)

        self.sa.flush()

        # make notification

        line = ''

        body = text

        #changeset

        if revision:

            if line_no:

                line = _('on line %s') % line_no

            subj = safe_unicode(

                          h.url('changeset_home', repo_name=repo.repo_name,

                                revision=revision,

                                anchor='comment-%s' % comment.comment_id,

                                qualified=True,

                          )

                )

            )

            notification_type = Notification.TYPE_CHANGESET_COMMENT

            # get the current participants of this changeset

            recipients = ChangesetComment.get_users(revision=revision)

            # add changeset author if it's in rhodecode system

            recipients += [User.get_by_email(author_email)]

        #pull request

        elif pull_request:

            notification_type = Notification.TYPE_PULL_REQUEST_COMMENT

            # get the current participants of this pull request

            recipients = ChangesetComment.get_users(pull_request_id=

                                                pull_request.pull_request_id)

            # add pull request author

            recipients += [pull_request.author]

        # create notification objects, and emails

        NotificationModel().create(

          recipients=recipients, type_=notification_type,

          email_kwargs={'status_change': status_change}

        )

        mention_recipients = set(self._extract_mentions(body))\

                                .difference(recipients)

        if mention_recipients:

            subj = _('[Mention]') + ' ' + subj

            NotificationModel().create(

                recipients=mention_recipients,

                type_=notification_type,

                email_kwargs={'status_change': status_change}

            )

        return comment

    def delete(self, comment):

        """

        Deletes given comment

        :param comment_id:

        """

        comment = self.__get_changeset_comment(comment)

        self.sa.delete(comment)

        return comment

    def get_comments(self, repo_id, revision=None, pull_request=None):

        """

        Get's main comments based on revision or pull_request_id

        :param repo_id:

        :type repo_id:

    :created_on: Jun 6, 2012

    :author: marcink

    :copyright: (C) 2012-2012 Marcin Kuzminski <marcin@python-works.com>

    :license: GPLv3, see COPYING for more details.

"""

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# 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/>.

import logging

import binascii

from pylons.i18n.translation import _

from rhodecode.lib import helpers as h

from rhodecode.model import BaseModel

from rhodecode.model.notification import NotificationModel

from rhodecode.lib.utils2 import safe_unicode

from rhodecode.lib.vcs.utils.hgcompat import discovery

log = logging.getLogger(__name__)

class PullRequestModel(BaseModel):

    cls = PullRequest

    def get_all(self, repo):

        repo = self._get_repo(repo)

        return PullRequest.query().filter(PullRequest.other_repo == repo).all()

    def create(self, created_by, org_repo, org_ref, other_repo,

               other_ref, revisions, reviewers, title, description=None):

        created_by_user = self._get_user(created_by)

        new = PullRequest()

        new.org_ref = org_ref

        new.other_ref = other_ref

        new.revisions = revisions

        new.title = title

        new.description = description

        new.author = created_by_user

        self.sa.add(new)

        #members

        for member in reviewers:

            _usr = self._get_user(member)

            reviewer = PullRequestReviewers(_usr, new)

            self.sa.add(reviewer)

        #notification to reviewers

        notif = NotificationModel()

        subject = safe_unicode(

            h.link_to(

              _('%(user)s wants you to review pull request #%(pr_id)s') % \

                {'user': created_by_user.username,

                 'pr_id': new.pull_request_id},

              h.url('pullrequest_show', repo_name=other_repo,

                    pull_request_id=new.pull_request_id,

                    qualified=True,

              )

            )

        )

        body = description

                     recipients=reviewers,

                     type_=Notification.TYPE_PULL_REQUEST,)

        return new

    def _get_changesets(self, org_repo, org_ref, other_repo, other_ref,

                        discovery_data):

        """

        Returns a list of changesets that are incoming from org_repo@org_ref

        to other_repo@other_ref

        :param org_repo:

        :type org_repo:

        :param org_ref:

        :type org_ref:

        :param other_repo:

        :type other_repo:

        :param other_ref:

        :type other_ref:

        :param tmp:

        :type tmp:

        """

        changesets = []

        #case two independent repos

           </a>

         </span>

       </div>

        ##ORG

        <div style="float:left">

            <div class="fork_user">

                <div class="gravatar">

                    <img alt="gravatar" src="${h.gravatar_url(c.rhodecode_db_repo.user.email,24)}"/>

                </div>

                <span style="font-size: 20px">

                ${h.select('org_repo','',c.org_repos,class_='refs')}:${h.select('org_ref','',c.org_refs,class_='refs')}

                </span>

                 <div style="padding:5px 3px 3px 42px;">${c.rhodecode_db_repo.description}</div>

            </div>

            <div style="clear:both;padding-top: 10px"></div>

        </div>

          <div style="float:left;font-size:24px;padding:0px 20px">

          <img height=32 width=32 src="${h.url('/images/arrow_right_64.png')}"/>

          </div>

        ##OTHER, most Probably the PARENT OF THIS FORK

        <div style="float:left">

            <div class="fork_user">

                <div class="gravatar">

                </div>

                <span style="font-size: 20px">

                ${h.select('other_repo',c.default_pull_request ,c.other_repos,class_='refs')}:${h.select('other_ref','',c.other_refs,class_='refs')}

                </span>

            </div>

            <div style="clear:both;padding-top: 10px"></div>

        </div>

       <div style="clear:both;padding-top: 10px"></div>

       ## overview pulled by ajax

       <div style="float:left" id="pull_request_overview"></div>

       <div style="float:left;clear:both;padding:10px 10px 10px 0px;display:none">

            <a id="pull_request_overview_url" href="#">${_('Detailed compare view')}</a>

       </div>

     </div>

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

        <h4>${_('Pull request reviewers')}</h4>

        <div id="reviewers" style="padding:0px 0px 0px 15px">

        ##TODO: make this nicer :)

          <table class="table noborder">

                  <tr>

                      <td>

                          <div>

                              <div style="float:left">

                                  <div class="text" style="padding: 0px 0px 6px;">${_('Chosen reviewers')}</div>

                                  ${h.select('review_members',[x[0] for x in c.review_members],c.review_members,multiple=True,size=8,style="min-width:210px")}

                                 <div  id="remove_all_elements" style="cursor:pointer;text-align:center">

                                     ${_('Remove all elements')}

                                     <img alt="remove" style="vertical-align:text-bottom" src="${h.url('/images/icons/arrow_right.png')}"/>

                </div>

             </div>

            <div class="field">

                <div class="label label-textarea">

                    <label for="pullrequest_desc">${_('description')}:</label>

                </div>

                <div class="textarea text-area editor">

                    ${h.textarea('pullrequest_desc',size=30)}

                </div>

            </div>

            <div class="buttons">

                ${h.submit('save',_('Send pull request'),class_="ui-button")}

                ${h.reset('reset',_('Reset'),class_="ui-button")}

           </div>

        </div>

    </div>

    ${h.end_form()}

</div>

<script type="text/javascript">

  MultiSelectWidget('review_members','available_members','pull_request_form');

  var loadPreview = function(){

	  YUD.setStyle(YUD.get('pull_request_overview_url').parentElement,'display','none');

      var url = "${h.url('compare_url',

          repo_name='org_repo',

          org_ref_type='branch', org_ref='org_ref',

          other_ref_type='branch', other_ref='other_ref',

          repo='other_repo',

          as_form=True)}";

      var select_refs = YUQ('#pull_request_form select.refs')

      for(var i=0;i<select_refs.length;i++){

        var select_ref = select_refs[i];

        var select_ref_data = select_ref.value.split(':');

        var key = null;

        var val = null;

        if(select_ref_data.length>1){

          key = select_ref.name+"_type";

          val = select_ref_data[0];

          url = url.replace(key,val);

          key = select_ref.name;

          val = select_ref_data[1];

          url = url.replace(key,val);

        }else{

          key = select_ref.name;

          val = select_ref.value;

          url = url.replace(key,val);

        }

      }

      ypjax(url,'pull_request_overview', function(data){

    	  YUD.get('pull_request_overview_url').href = url;

    	  YUD.setStyle(YUD.get('pull_request_overview_url').parentElement,'display','');

      })

  }

  YUE.on('refresh','click',function(e){

     loadPreview()

  })

  //lazy load overview after 0.5s

  setTimeout(loadPreview, 500)

</script>

</%def>