# -*- coding: utf-8 -*-

"""

    rhodecode.controllers.admin.settings

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

    settings controller for rhodecode admin

    :created_on: Jul 14, 2010

    :author: marcink

    :copyright: (C) 2010-2012 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 traceback

import formencode

import pkg_resources

import platform

from sqlalchemy import func

from formencode import htmlfill

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

from pylons.controllers.util import abort, redirect

from pylons.i18n.translation import _

from rhodecode.lib import helpers as h

from rhodecode.lib.auth import LoginRequired, HasPermissionAllDecorator, \

    HasPermissionAnyDecorator, NotAnonymous, HasPermissionAny,\

    HasReposGroupPermissionAll, HasReposGroupPermissionAny

from rhodecode.lib.base import BaseController, render

from rhodecode.lib.celerylib import tasks, run_task

from rhodecode.lib.utils import repo2db_mapper, invalidate_cache, \

    set_rhodecode_config, repo_name_slug, check_git_version

from rhodecode.model.db import RhodeCodeUi, Repository, RepoGroup, \

    RhodeCodeSetting, PullRequest, PullRequestReviewers

from rhodecode.model.forms import UserForm, ApplicationSettingsForm, \

    ApplicationUiSettingsForm, ApplicationVisualisationForm

from rhodecode.model.scm import ScmModel, GroupList

from rhodecode.model.user import UserModel

from rhodecode.model.repo import RepoModel

from rhodecode.model.db import User

from rhodecode.model.notification import EmailNotificationModel

from rhodecode.model.meta import Session

from rhodecode.lib.utils2 import str2bool, safe_unicode

from rhodecode.lib.compat import json

from webob.exc import HTTPForbidden

log = logging.getLogger(__name__)

class SettingsController(BaseController):

    """REST Controller styled on the Atom Publishing Protocol"""

    # To properly map this controller, ensure your config/routing.py

    # file has a resource setup:

    #     map.resource('setting', 'settings', controller='admin/settings',

    #         path_prefix='/admin', name_prefix='admin_')

    @LoginRequired()

    def __before__(self):

        c.admin_user = session.get('admin_user')

        c.admin_username = session.get('admin_username')

        c.modules = sorted([(p.project_name, p.version)

                            for p in pkg_resources.working_set]

                           + [('git', check_git_version())],

                           key=lambda k: k[0].lower())

        c.py_version = platform.python_version()

        c.platform = platform.platform()

        super(SettingsController, self).__before__()

    @HasPermissionAllDecorator('hg.admin')

    def index(self, format='html'):

        """GET /admin/settings: All items in the collection"""

        # url('admin_settings')

        defaults = RhodeCodeSetting.get_app_settings()

        defaults.update(self._get_hg_ui_settings())

        return htmlfill.render(

            render('admin/settings/settings.html'),

            defaults=defaults,

            encoding="UTF-8",

            force_defaults=False

        )

    @HasPermissionAllDecorator('hg.admin')

    def create(self):

        """POST /admin/settings: Create a new item"""

        # url('admin_settings')

    @HasPermissionAllDecorator('hg.admin')

    def new(self, format='html'):

        """GET /admin/settings/new: Form to create a new item"""

        # url('admin_new_setting')

    @HasPermissionAllDecorator('hg.admin')

    def update(self, setting_id):

        """PUT /admin/settings/setting_id: Update an existing item"""

        # Forms posted to this method should contain a hidden field:

        #    <input type="hidden" name="_method" value="PUT" />

        # Or using helpers:

        #    h.form(url('admin_setting', setting_id=ID),

        #           method='put')

        # url('admin_setting', setting_id=ID)

        if setting_id == 'mapping':

            rm_obsolete = request.POST.get('destroy', False)

            log.debug('Rescanning directories with destroy=%s' % rm_obsolete)

            initial = ScmModel().repo_scan()

            log.debug('invalidating all repositories')

            for repo_name in initial.keys():

                invalidate_cache('get_repo_cached_%s' % repo_name)

            added, removed = repo2db_mapper(initial, rm_obsolete)

            _repr = lambda l: ', '.join(map(safe_unicode, l)) or '-'

            h.flash(_('Repositories successfully '

                      'rescanned added: %s ; removed: %s') %

                    (_repr(added), _repr(removed)),

                    category='success')

        if setting_id == 'whoosh':

            repo_location = self._get_hg_ui_settings()['paths_root_path']

            full_index = request.POST.get('full_index', False)

            run_task(tasks.whoosh_index, repo_location, full_index)

            h.flash(_('Whoosh reindex task scheduled'), category='success')

        if setting_id == 'global':

            application_form = ApplicationSettingsForm()()

            try:

                form_result = application_form.to_python(dict(request.POST))

            except formencode.Invalid, errors:

                return htmlfill.render(

                     render('admin/settings/settings.html'),

                     defaults=errors.value,

                     errors=errors.error_dict or {},

                     prefix_error=False,

                     encoding="UTF-8"

                )

            try:

                sett1 = RhodeCodeSetting.get_by_name_or_create('title')

                sett1.app_settings_value = form_result['rhodecode_title']

                Session().add(sett1)

                sett2 = RhodeCodeSetting.get_by_name_or_create('realm')

                sett2.app_settings_value = form_result['rhodecode_realm']

                Session().add(sett2)

                sett3 = RhodeCodeSetting.get_by_name_or_create('ga_code')

                sett3.app_settings_value = form_result['rhodecode_ga_code']

                Session().add(sett3)

                Session().commit()

                set_rhodecode_config(config)

                h.flash(_('Updated application settings'), category='success')

            except Exception:

                log.error(traceback.format_exc())

                h.flash(_('error occurred during updating '

                          'application settings'),

                          category='error')

        if setting_id == 'visual':

            application_form = ApplicationVisualisationForm()()

            try:

                form_result = application_form.to_python(dict(request.POST))

            except formencode.Invalid, errors:

                return htmlfill.render(

                     render('admin/settings/settings.html'),

                     defaults=errors.value,

                     errors=errors.error_dict or {},

                     prefix_error=False,

                     encoding="UTF-8"

                )

            try:

                sett1 = RhodeCodeSetting.get_by_name_or_create('show_public_icon')

                sett1.app_settings_value = \

                    form_result['rhodecode_show_public_icon']

                Session().add(sett1)

                sett2 = RhodeCodeSetting.get_by_name_or_create('show_private_icon')

                sett2.app_settings_value = \

                    form_result['rhodecode_show_private_icon']

                Session().add(sett2)

                sett3 = RhodeCodeSetting.get_by_name_or_create('stylify_metatags')

                sett3.app_settings_value = \

                    form_result['rhodecode_stylify_metatags']

                Session().add(sett3)

                sett4 = RhodeCodeSetting.get_by_name_or_create('lightweight_dashboard')

                sett4.app_settings_value = \

                    form_result['rhodecode_lightweight_dashboard']

                Session().add(sett4)

                sett4 = RhodeCodeSetting.get_by_name_or_create('repository_fields')

                sett4.app_settings_value = \

                    form_result['rhodecode_repository_fields']

                Session().add(sett4)

                Session().commit()

                set_rhodecode_config(config)

                h.flash(_('Updated visualisation settings'),

                        category='success')

            except Exception:

                log.error(traceback.format_exc())

                h.flash(_('error occurred during updating '

                          'visualisation settings'),

                        category='error')

        if setting_id == 'vcs':

            application_form = ApplicationUiSettingsForm()()

            try:

                form_result = application_form.to_python(dict(request.POST))

            except formencode.Invalid, errors:

                return htmlfill.render(

                     render('admin/settings/settings.html'),

                     defaults=errors.value,

                     errors=errors.error_dict or {},

                     prefix_error=False,

                     encoding="UTF-8"

                )

            try:

                # fix namespaces for hooks and extensions

                _f = lambda s: s.replace('.', '_')

                sett = RhodeCodeUi.get_by_key('push_ssl')

                sett.ui_value = form_result['web_push_ssl']

                Session().add(sett)

                sett = RhodeCodeUi.get_by_key('/')

                sett.ui_value = form_result['paths_root_path']

                Session().add(sett)

                #HOOKS

                sett = RhodeCodeUi.get_by_key(RhodeCodeUi.HOOK_UPDATE)

                sett.ui_active = form_result[_f('hooks_%s' %

                                                RhodeCodeUi.HOOK_UPDATE)]

                Session().add(sett)

                sett = RhodeCodeUi.get_by_key(RhodeCodeUi.HOOK_REPO_SIZE)

                sett.ui_active = form_result[_f('hooks_%s' %

                                                RhodeCodeUi.HOOK_REPO_SIZE)]

                Session().add(sett)

                sett = RhodeCodeUi.get_by_key(RhodeCodeUi.HOOK_PUSH)

                sett.ui_active = form_result[_f('hooks_%s' %

                                                RhodeCodeUi.HOOK_PUSH)]

                Session().add(sett)

                sett = RhodeCodeUi.get_by_key(RhodeCodeUi.HOOK_PULL)

                sett.ui_active = form_result[_f('hooks_%s' %

                                                 RhodeCodeUi.HOOK_PULL)]

                Session().add(sett)

                ## EXTENSIONS

                sett = RhodeCodeUi.get_by_key('largefiles')

                if not sett:

                    #make one if it's not there !

                    sett = RhodeCodeUi()

                    sett.ui_key = 'largefiles'

                    sett.ui_section = 'extensions'

                sett.ui_active = form_result[_f('extensions_largefiles')]

                Session().add(sett)

                sett = RhodeCodeUi.get_by_key('hgsubversion')

                if not sett:

                    #make one if it's not there !

                    sett = RhodeCodeUi()

                    sett.ui_key = 'hgsubversion'

                    sett.ui_section = 'extensions'

                sett.ui_active = form_result[_f('extensions_hgsubversion')]

                Session().add(sett)

#                sett = RhodeCodeUi.get_by_key('hggit')

#                if not sett:

#                    #make one if it's not there !

#                    sett = RhodeCodeUi()

#                    sett.ui_key = 'hggit'

#                    sett.ui_section = 'extensions'

#

#                sett.ui_active = form_result[_f('extensions_hggit')]

#                Session().add(sett)

                Session().commit()

                h.flash(_('Updated VCS settings'), category='success')

            except Exception:

                log.error(traceback.format_exc())

                h.flash(_('error occurred during updating '

                          'application settings'), category='error')

        if setting_id == 'hooks':

            ui_key = request.POST.get('new_hook_ui_key')

            ui_value = request.POST.get('new_hook_ui_value')

            try:

                if ui_value and ui_key:

                    RhodeCodeUi.create_or_update_hook(ui_key, ui_value)

                    h.flash(_('Added new hook'),

                            category='success')

                # check for edits

                update = False

                _d = request.POST.dict_of_lists()

                for k, v in zip(_d.get('hook_ui_key', []),

                                _d.get('hook_ui_value_new', [])):

                    RhodeCodeUi.create_or_update_hook(k, v)

                    update = True

                if update:

                    h.flash(_('Updated hooks'), category='success')

                Session().commit()

            except Exception:

                log.error(traceback.format_exc())

                h.flash(_('error occurred during hook creation'),

                        category='error')

            return redirect(url('admin_edit_setting', setting_id='hooks'))

        if setting_id == 'email':

            test_email = request.POST.get('test_email')

            test_email_subj = 'RhodeCode TestEmail'

            test_email_body = 'RhodeCode Email test'

            test_email_html_body = EmailNotificationModel()\

                .get_email_tmpl(EmailNotificationModel.TYPE_DEFAULT,

                                body=test_email_body)

            recipients = [test_email] if test_email else None

            run_task(tasks.send_email, recipients, test_email_subj,

                     test_email_body, test_email_html_body)

            h.flash(_('Email task created'), category='success')

        return redirect(url('admin_settings'))

    @HasPermissionAllDecorator('hg.admin')

    def delete(self, setting_id):

        """DELETE /admin/settings/setting_id: Delete an existing item"""

        # Forms posted to this method should contain a hidden field:

        #    <input type="hidden" name="_method" value="DELETE" />

        # Or using helpers:

        #    h.form(url('admin_setting', setting_id=ID),

        #           method='delete')

        # url('admin_setting', setting_id=ID)

        if setting_id == 'hooks':

            hook_id = request.POST.get('hook_id')

            RhodeCodeUi.delete(hook_id)

            Session().commit()

    @HasPermissionAllDecorator('hg.admin')

    def show(self, setting_id, format='html'):

        """

        GET /admin/settings/setting_id: Show a specific item"""

        # url('admin_setting', setting_id=ID)

    @HasPermissionAllDecorator('hg.admin')

    def edit(self, setting_id, format='html'):

        """

        GET /admin/settings/setting_id/edit: Form to

        edit an existing item"""

        # url('admin_edit_setting', setting_id=ID)

        c.hooks = RhodeCodeUi.get_builtin_hooks()

        c.custom_hooks = RhodeCodeUi.get_custom_hooks()

        return htmlfill.render(

            render('admin/settings/hooks.html'),

            defaults={},

            encoding="UTF-8",

            force_defaults=False

        )

    def _load_my_repos_data(self):

        repos_list = Session().query(Repository)\

                     .filter(Repository.user_id ==

                             self.rhodecode_user.user_id)\

                     .order_by(func.lower(Repository.repo_name)).all()

        repos_data = RepoModel().get_repos_as_dict(repos_list=repos_list,

                                                   admin=True)

        #json used to render the grid

        return json.dumps(repos_data)

    @NotAnonymous()

    def my_account(self):

        """

        GET /_admin/my_account Displays info about my account

        """

        # url('admin_settings_my_account')

        c.user = User.get(self.rhodecode_user.user_id)

        c.ldap_dn = c.user.ldap_dn

        if c.user.username == 'default':

            h.flash(_("You can't edit this user since it's"

              " crucial for entire application"), category='warning')

            return redirect(url('users'))

        #json used to render the grid

        c.data = self._load_my_repos_data()

        defaults = c.user.get_dict()

        c.form = htmlfill.render(

            render('admin/users/user_edit_my_account_form.html'),

            defaults=defaults,

            encoding="UTF-8",

            force_defaults=False

        )

        return render('admin/users/user_edit_my_account.html')

    @NotAnonymous()

    def my_account_update(self):

        """PUT /_admin/my_account_update: Update an existing item"""

        # Forms posted to this method should contain a hidden field:

        #    <input type="hidden" name="_method" value="PUT" />

        # Or using helpers:

        #    h.form(url('admin_settings_my_account_update'),

        #           method='put')

        # url('admin_settings_my_account_update', id=ID)

        uid = self.rhodecode_user.user_id

        c.user = User.get(self.rhodecode_user.user_id)

        c.ldap_dn = c.user.ldap_dn

        email = self.rhodecode_user.email

        _form = UserForm(edit=True,

                         old_data={'user_id': uid, 'email': email})()

        form_result = {}

        try:

            form_result = _form.to_python(dict(request.POST))

            skip_attrs = ['admin', 'active']  # skip attr for my account

            if c.ldap_dn:

                #forbid updating username for ldap accounts

                skip_attrs.append('username')

            UserModel().update(uid, form_result, skip_attrs=skip_attrs)

            h.flash(_('Your account was updated successfully'),

                    category='success')

            Session().commit()

        except formencode.Invalid, errors:

            #json used to render the grid

            c.data = self._load_my_repos_data()

            c.form = htmlfill.render(

                render('admin/users/user_edit_my_account_form.html'),

                defaults=errors.value,

                errors=errors.error_dict or {},

                prefix_error=False,

                encoding="UTF-8")

            return render('admin/users/user_edit_my_account.html')

        except Exception:

            log.error(traceback.format_exc())

            h.flash(_('error occurred during update of user %s') \

                    % form_result.get('username'), category='error')

        return redirect(url('my_account'))

    @NotAnonymous()

    def my_account_my_pullrequests(self):

        c.my_pull_requests = PullRequest.query()\

                                .filter(PullRequest.user_id ==

                                        self.rhodecode_user.user_id)\

                                .all()

            [x.pull_request for x in PullRequestReviewers.query()\

                                    .filter(PullRequestReviewers.user_id ==

                                            self.rhodecode_user.user_id)\

        return render('admin/users/user_edit_my_account_pullrequests.html')

    @NotAnonymous()

    def create_repository(self):

        """GET /_admin/create_repository: Form to create a new item"""

        new_repo = request.GET.get('repo', '')

        parent_group = request.GET.get('parent_group')

        if not HasPermissionAny('hg.admin', 'hg.create.repository')():

            #you're not super admin nor have global create permissions,

            #but maybe you have at least write permission to a parent group ?

            _gr = RepoGroup.get(parent_group)

            gr_name = _gr.group_name if _gr else None

            if not HasReposGroupPermissionAny('group.admin', 'group.write')(group_name=gr_name):

                raise HTTPForbidden

        acl_groups = GroupList(RepoGroup.query().all(),

                               perm_set=['group.write', 'group.admin'])

        c.repo_groups = RepoGroup.groups_choices(groups=acl_groups)

        c.repo_groups_choices = map(lambda k: unicode(k[0]), c.repo_groups)

        choices, c.landing_revs = ScmModel().get_repo_landing_revs()

        c.new_repo = repo_name_slug(new_repo)

        ## apply the defaults from defaults page

        defaults = RhodeCodeSetting.get_default_repo_settings(strip_prefix=True)

        if parent_group:

            defaults.update({'repo_group': parent_group})

        return htmlfill.render(

            render('admin/repos/repo_add.html'),

            defaults=defaults,

            errors={},

            prefix_error=False,

            encoding="UTF-8"

        )

    def _get_hg_ui_settings(self):

        ret = RhodeCodeUi.query().all()

        if not ret:

            raise Exception('Could not get application ui settings !')

        settings = {}

        for each in ret:

            k = each.ui_key

            v = each.ui_value

            if k == '/':

                k = 'root_path'

            if k == 'push_ssl':

                v = str2bool(v)

            if k.find('.') != -1:

                k = k.replace('.', '_')

            if each.ui_section in ['hooks', 'extensions']:

                v = each.ui_active

            settings[each.ui_section + '_' + k] = v

        return settings

# -*- coding: utf-8 -*-

"""

    rhodecode.model.pull_request

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

    pull request model for RhodeCode

    :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 datetime

import re

from pylons.i18n.translation import _

from rhodecode.model.meta import Session

from rhodecode.lib import helpers as h, unionrepo

from rhodecode.model import BaseModel

from rhodecode.model.db import PullRequest, PullRequestReviewers, Notification,\

    ChangesetStatus

from rhodecode.model.notification import NotificationModel

from rhodecode.lib.utils2 import safe_unicode

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

from rhodecode.lib.vcs.utils import safe_str

from rhodecode.lib.vcs.backends.base import EmptyChangeset

log = logging.getLogger(__name__)

class PullRequestModel(BaseModel):

    cls = PullRequest

    def __get_pull_request(self, pull_request):

        return self._get_instance(PullRequest, pull_request)

    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):

        from rhodecode.model.changeset_status import ChangesetStatusModel

        created_by_user = self._get_user(created_by)

        org_repo = self._get_repo(org_repo)

        other_repo = self._get_repo(other_repo)

        new = PullRequest()

        new.org_repo = org_repo

        new.org_ref = org_ref

        new.other_repo = other_repo

        new.other_ref = other_ref

        new.revisions = revisions

        new.title = title

        new.description = description

        new.author = created_by_user

        self.sa.add(new)

        Session().flush()

        #members

            _usr = self._get_user(member)

            reviewer = PullRequestReviewers(_usr, new)

            self.sa.add(reviewer)

        #reset state to under-review

        ChangesetStatusModel().set_status(

            repo=org_repo,

            status=ChangesetStatus.STATUS_UNDER_REVIEW,

            user=created_by_user,

            pull_request=new

        )

        #notification to reviewers

        notif = NotificationModel()

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

                       pull_request_id=new.pull_request_id,

                       qualified=True,

        )

        subject = safe_unicode(

            h.link_to(

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

                {'user': created_by_user.username,

                 'pr_title': new.title,

                 'pr_id': new.pull_request_id},

                pr_url

            )

        )

        body = description

        kwargs = {

            'pr_title': title,

            'pr_user_created': h.person(created_by_user.email),

            'pr_repo_url': h.url('summary_home', repo_name=other_repo.repo_name,

                                 qualified=True,),

            'pr_url': pr_url,

            'pr_revisions': revisions

        }

        notif.create(created_by=created_by_user, subject=subject, body=body,

                     recipients=reviewers,

                     type_=Notification.TYPE_PULL_REQUEST, email_kwargs=kwargs)

        return new

    def update_reviewers(self, pull_request, reviewers_ids):

        reviewers_ids = set(reviewers_ids)

        pull_request = self.__get_pull_request(pull_request)

        current_reviewers = PullRequestReviewers.query()\

                            .filter(PullRequestReviewers.pull_request==

                                   pull_request)\

                            .all()

        current_reviewers_ids = set([x.user.user_id for x in current_reviewers])

        to_add = reviewers_ids.difference(current_reviewers_ids)

        to_remove = current_reviewers_ids.difference(reviewers_ids)

        log.debug("Adding %s reviewers" % to_add)

        log.debug("Removing %s reviewers" % to_remove)

        for uid in to_add:

            _usr = self._get_user(uid)

            reviewer = PullRequestReviewers(_usr, pull_request)

            self.sa.add(reviewer)

        for uid in to_remove:

            reviewer = PullRequestReviewers.query()\

                    .filter(PullRequestReviewers.user_id==uid,

                            PullRequestReviewers.pull_request==pull_request)\

                    .scalar()

            if reviewer:

                self.sa.delete(reviewer)

    def delete(self, pull_request):

        pull_request = self.__get_pull_request(pull_request)

        Session().delete(pull_request)

    def close_pull_request(self, pull_request):

        pull_request = self.__get_pull_request(pull_request)

        pull_request.status = PullRequest.STATUS_CLOSED

        pull_request.updated_on = datetime.datetime.now()

        self.sa.add(pull_request)

    def _get_changesets(self, alias, org_repo, org_ref, other_repo, other_ref):

        """

        Returns a list of changesets that can be merged from org_repo@org_ref

        to other_repo@other_ref ... and the ancestor that would be used for merge

        :param org_repo:

        :param org_ref:

        :param other_repo:

        :param other_ref:

        :param tmp:

        """

        ancestor = None

        if alias == 'hg':

            # lookup up the exact node id

            _revset_predicates = {

                    'branch': 'branch',

                    'book': 'bookmark',

                    'tag': 'tag',

                    'rev': 'id',

                }

            org_rev_spec = "%s('%s')" % (_revset_predicates[org_ref[0]],

                                         safe_str(org_ref[1]))

            if org_ref[1] == EmptyChangeset().raw_id:

                org_rev = org_ref[1]

            else:

                org_rev = org_repo._repo[scmutil.revrange(org_repo._repo,

                                                          [org_rev_spec])[-1]]

            other_rev_spec = "%s('%s')" % (_revset_predicates[other_ref[0]],

                                           safe_str(other_ref[1]))

            if other_ref[1] == EmptyChangeset().raw_id:

                other_rev = other_ref[1]

            else:

                other_rev = other_repo._repo[scmutil.revrange(other_repo._repo,

                                                        [other_rev_spec])[-1]]

            #case two independent repos

            if org_repo != other_repo:

                hgrepo = unionrepo.unionrepository(other_repo.baseui,

                                                   other_repo.path,

                                                   org_repo.path)

                # all the changesets we are looking for will be in other_repo,

                # so rev numbers from hgrepo can be used in other_repo

            #no remote compare do it on the same repository

            else:

                hgrepo = other_repo._repo

            revs = ["ancestors(id('%s')) and not ancestors(id('%s'))" %

                    (other_rev, org_rev)]

            changesets = [other_repo.get_changeset(cs)

                          for cs in scmutil.revrange(hgrepo, revs)]

            if org_repo != other_repo:

                ancestors = scmutil.revrange(hgrepo,

                     ["ancestor(id('%s'), id('%s'))" % (org_rev, other_rev)])

                if len(ancestors) == 1:

                    ancestor = hgrepo[ancestors[0]].hex()

        elif alias == 'git':

            assert org_repo == other_repo, (org_repo, other_repo) # no git support for different repos

            so, se = org_repo.run_git_command(

                'log --reverse --pretty="format: %%H" -s -p %s..%s' % (org_ref[1],

                                                                       other_ref[1])

            )

            changesets = [org_repo.get_changeset(cs)

                          for cs in re.findall(r'[0-9a-fA-F]{40}', so)]

        return changesets, ancestor

    def get_compare_data(self, org_repo, org_ref, other_repo, other_ref):

        """

        Returns incoming changesets for mercurial repositories

        :param org_repo:

        :param org_ref:

        :param other_repo:

        :param other_ref:

        """

        if len(org_ref) != 2 or not isinstance(org_ref, (list, tuple)):

            raise Exception('org_ref must be a two element list/tuple')

        if len(other_ref) != 2 or not isinstance(org_ref, (list, tuple)):

            raise Exception('other_ref must be a two element list/tuple')

        org_repo_scm = org_repo.scm_instance

        other_repo_scm = other_repo.scm_instance

        alias = org_repo.scm_instance.alias

        cs_ranges, ancestor = self._get_changesets(alias,

                                                   org_repo_scm, org_ref,

                                                   other_repo_scm, other_ref)

        return cs_ranges, ancestor

<div class="pullrequests_section_head">${_('Opened by me')}</div>

<ul>

    %if c.my_pull_requests:

      %for pull_request in c.my_pull_requests:

      <li>

        <div style="height: 12px">

          <div style="float:left">

          <a href="${h.url('pullrequest_show',repo_name=pull_request.other_repo.repo_name,pull_request_id=pull_request.pull_request_id)}">

          ${_('Pull request #%s opened on %s') % (pull_request.pull_request_id, h.fmt_date(pull_request.created_on))}

          </a>

          </div>

          <div style="float:left;margin-top: -5px">

            ${h.form(url('pullrequest_delete', repo_name=pull_request.other_repo.repo_name, pull_request_id=pull_request.pull_request_id),method='delete')}

              ${h.submit('remove_%s' % pull_request.pull_request_id,'',class_="delete_icon action_button",onclick="return confirm('"+_('Confirm to delete this pull request')+"');")}

            ${h.end_form()}

          </div>

        </div>

      </li>

      %endfor

   %else:

    <li><span class="empty_data">${_('Nothing here yet')}</span></li>

   %endif

</ul>

<div class="pullrequests_section_head" style="clear:both">${_('I participate in')}</div>

<ul>

    %if c.participate_in_pull_requests:

      %for pull_request in c.participate_in_pull_requests:

      <li>

        <div style="height: 12px">

        <a href="${h.url('pullrequest_show',repo_name=pull_request.other_repo.repo_name,pull_request_id=pull_request.pull_request_id)}">

        ${_('Pull request #%s opened by %s on %s') % (pull_request.pull_request_id, pull_request.author.full_name, h.fmt_date(pull_request.created_on))}

        </a>

      </div>

      </li>

      %endfor

    %else:

     <li><span class="empty_data">${_('Nothing here yet')}</span></li>

    %endif

</ul>