Files @ 9c0f5d558789
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Location: kallithea/rhodecode/controllers/feed.py

Marcin Kuzminski
fixes #200, rewrote the whole caching mechanism to get rid of such problems. Now cached instances are attached
to db repository instance, and then fetched from cache. Also made all current test work.
# -*- coding: utf-8 -*-
"""
    rhodecode.controllers.feed
    ~~~~~~~~~~~~~~~~~~~~~~~~~~

    Feed controller for rhodecode

    :created_on: Apr 23, 2010
    :author: marcink
    :copyright: (C) 2009-2011 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

from pylons import url, response, tmpl_context as c
from pylons.i18n.translation import _

from rhodecode.lib import safe_unicode
from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator
from rhodecode.lib.base import BaseRepoController

from webhelpers.feedgenerator import Atom1Feed, Rss201rev2Feed

log = logging.getLogger(__name__)


class FeedController(BaseRepoController):

    @LoginRequired(api_access=True)
    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
                                   'repository.admin')
    def __before__(self):
        super(FeedController, self).__before__()
        #common values for feeds
        self.description = _('Changes on %s repository')
        self.title = self.title = _('%s %s feed') % (c.rhodecode_name, '%s')
        self.language = 'en-us'
        self.ttl = "5"
        self.feed_nr = 10

    def __changes(self, cs):
        changes = []

        a = [safe_unicode(n.path) for n in cs.added]
        if a:
            changes.append('\nA ' + '\nA '.join(a))

        m = [safe_unicode(n.path) for n in cs.changed]
        if m:
            changes.append('\nM ' + '\nM '.join(m))

        d = [safe_unicode(n.path) for n in cs.removed]
        if d:
            changes.append('\nD ' + '\nD '.join(d))

        changes.append('</pre>')

        return ''.join(changes)

    def atom(self, repo_name):
        """Produce an atom-1.0 feed via feedgenerator module"""
        feed = Atom1Feed(title=self.title % repo_name,
                         link=url('summary_home', repo_name=repo_name,
                                  qualified=True),
                         description=self.description % repo_name,
                         language=self.language,
                         ttl=self.ttl)
        desc_msg = []
        for cs in reversed(list(c.rhodecode_repo[-self.feed_nr:])):
            desc_msg.append('%s - %s<br/><pre>' % (cs.author, cs.date))
            desc_msg.append(self.__changes(cs))

            feed.add_item(title=cs.message,
                          link=url('changeset_home', repo_name=repo_name,
                                   revision=cs.raw_id, qualified=True),
                          author_name=cs.author,
                          description=''.join(desc_msg))

        response.content_type = feed.mime_type
        return feed.writeString('utf-8')

    def rss(self, repo_name):
        """Produce an rss2 feed via feedgenerator module"""
        feed = Rss201rev2Feed(title=self.title % repo_name,
                         link=url('summary_home', repo_name=repo_name,
                                  qualified=True),
                         description=self.description % repo_name,
                         language=self.language,
                         ttl=self.ttl)
        desc_msg = []
        for cs in reversed(list(c.rhodecode_repo[-self.feed_nr:])):
            desc_msg.append('%s - %s<br/><pre>' % (cs.author, cs.date))
            desc_msg.append(self.__changes(cs))

            feed.add_item(title=cs.message,
                          link=url('changeset_home', repo_name=repo_name,
                                   revision=cs.raw_id, qualified=True),
                          author_name=cs.author,
                          description=''.join(desc_msg),
                         )

        response.content_type = feed.mime_type
        return feed.writeString('utf-8')