RhodeCode / rhodecode / controllers / journal.py

# -*- coding: utf-8 -*-
"""
    rhodecode.controllers.journal
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    Journal controller for pylons

    :created_on: Nov 21, 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
from itertools import groupby

from sqlalchemy import or_
from sqlalchemy.orm import joinedload
from webhelpers.paginate import Page
from webhelpers.feedgenerator import Atom1Feed, Rss201rev2Feed

from webob.exc import HTTPBadRequest
from pylons import request, tmpl_context as c, response, url
from pylons.i18n.translation import _

import rhodecode.lib.helpers as h
from rhodecode.lib.auth import LoginRequired, NotAnonymous
from rhodecode.lib.base import BaseController, render
from rhodecode.model.db import UserLog, UserFollowing, Repository, User
from rhodecode.model.meta import Session
from sqlalchemy.sql.expression import func
from rhodecode.model.scm import ScmModel
from rhodecode.lib.utils2 import safe_int

log = logging.getLogger(__name__)


class JournalController(BaseController):

    def __before__(self):
        super(JournalController, self).__before__()
        self.language = 'en-us'
        self.ttl = "5"
        self.feed_nr = 20

    @LoginRequired()
    @NotAnonymous()
    def index(self):
        # Return a rendered template
        p = safe_int(request.params.get('page', 1), 1)

        c.user = User.get(self.rhodecode_user.user_id)
        all_repos = self.sa.query(Repository)\
                     .filter(Repository.user_id == c.user.user_id)\
                     .order_by(func.lower(Repository.repo_name)).all()

        c.user_repos = ScmModel().get_repos(all_repos)

        c.following = self.sa.query(UserFollowing)\
            .filter(UserFollowing.user_id == self.rhodecode_user.user_id)\
            .options(joinedload(UserFollowing.follows_repository))\
            .all()

        journal = self._get_journal_data(c.following)

        c.journal_pager = Page(journal, page=p, items_per_page=20)

        c.journal_day_aggreagate = self._get_daily_aggregate(c.journal_pager)

        c.journal_data = render('journal/journal_data.html')
        if request.environ.get('HTTP_X_PARTIAL_XHR'):
            return c.journal_data
        return render('journal/journal.html')

    @LoginRequired(api_access=True)
    @NotAnonymous()
    def journal_atom(self):
        """
        Produce an atom-1.0 feed via feedgenerator module
        """
        following = self.sa.query(UserFollowing)\
            .filter(UserFollowing.user_id == self.rhodecode_user.user_id)\
            .options(joinedload(UserFollowing.follows_repository))\
            .all()
        return self._atom_feed(following, public=False)

    @LoginRequired(api_access=True)
    @NotAnonymous()
    def journal_rss(self):
        """
        Produce an rss feed via feedgenerator module
        """
        following = self.sa.query(UserFollowing)\
            .filter(UserFollowing.user_id == self.rhodecode_user.user_id)\
            .options(joinedload(UserFollowing.follows_repository))\
            .all()
        return self._rss_feed(following, public=False)

    def _get_daily_aggregate(self, journal):
        groups = []
        for k, g in groupby(journal, lambda x: x.action_as_day):
            user_group = []
            for k2, g2 in groupby(list(g), lambda x: x.user.email):
                l = list(g2)
                user_group.append((l[0].user, l))

            groups.append((k, user_group,))

        return groups

    def _get_journal_data(self, following_repos):
        repo_ids = [x.follows_repository.repo_id for x in following_repos
                    if x.follows_repository is not None]
        user_ids = [x.follows_user.user_id for x in following_repos
                    if x.follows_user is not None]

        filtering_criterion = None

        if repo_ids and user_ids:
            filtering_criterion = or_(UserLog.repository_id.in_(repo_ids),
                        UserLog.user_id.in_(user_ids))
        if repo_ids and not user_ids:
            filtering_criterion = UserLog.repository_id.in_(repo_ids)
        if not repo_ids and user_ids:
            filtering_criterion = UserLog.user_id.in_(user_ids)
        if filtering_criterion is not None:
            journal = self.sa.query(UserLog)\
                .options(joinedload(UserLog.user))\
                .options(joinedload(UserLog.repository))\
                .filter(filtering_criterion)\
                .order_by(UserLog.action_date.desc())
        else:
            journal = []

        return journal

    @LoginRequired()
    @NotAnonymous()
    def toggle_following(self):
        cur_token = request.POST.get('auth_token')
        token = h.get_token()
        if cur_token == token:

            user_id = request.POST.get('follows_user_id')
            if user_id:
                try:
                    self.scm_model.toggle_following_user(user_id,
                                                self.rhodecode_user.user_id)
                    Session.commit()
                    return 'ok'
                except:
                    raise HTTPBadRequest()

            repo_id = request.POST.get('follows_repo_id')
            if repo_id:
                try:
                    self.scm_model.toggle_following_repo(repo_id,
                                                self.rhodecode_user.user_id)
                    Session.commit()
                    return 'ok'
                except:
                    raise HTTPBadRequest()

        log.debug('token mismatch %s vs %s' % (cur_token, token))
        raise HTTPBadRequest()

    @LoginRequired()
    def public_journal(self):
        # Return a rendered template
        p = safe_int(request.params.get('page', 1), 1)

        c.following = self.sa.query(UserFollowing)\
            .filter(UserFollowing.user_id == self.rhodecode_user.user_id)\
            .options(joinedload(UserFollowing.follows_repository))\
            .all()

        journal = self._get_journal_data(c.following)

        c.journal_pager = Page(journal, page=p, items_per_page=20)

        c.journal_day_aggreagate = self._get_daily_aggregate(c.journal_pager)

        c.journal_data = render('journal/journal_data.html')
        if request.environ.get('HTTP_X_PARTIAL_XHR'):
            return c.journal_data
        return render('journal/public_journal.html')

    def _atom_feed(self, repos, public=True):
        journal = self._get_journal_data(repos)
        if public:
            _link = url('public_journal_atom', qualified=True)
            _desc = '%s %s %s' % (c.rhodecode_name, _('public journal'),
                                  'atom feed')
        else:
            _link = url('journal_atom', qualified=True)
            _desc = '%s %s %s' % (c.rhodecode_name, _('journal'), 'atom feed')

        feed = Atom1Feed(title=_desc,
                         link=_link,
                         description=_desc,
                         language=self.language,
                         ttl=self.ttl)

        for entry in journal[:self.feed_nr]:
            action, action_extra, ico = h.action_parser(entry, feed=True)
            title = "%s - %s %s" % (entry.user.short_contact, action(),
                                 entry.repository.repo_name)
            desc = action_extra()
            _url = None
            if entry.repository is not None:
                _url = url('changelog_home',
                           repo_name=entry.repository.repo_name,
                           qualified=True)

            feed.add_item(title=title,
                          pubdate=entry.action_date,
                          link=_url or url('', qualified=True),
                          author_email=entry.user.email,
                          author_name=entry.user.full_contact,
                          description=desc)

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

    def _rss_feed(self, repos, public=True):
        journal = self._get_journal_data(repos)
        if public:
            _link = url('public_journal_atom', qualified=True)
            _desc = '%s %s %s' % (c.rhodecode_name, _('public journal'),
                                  'rss feed')
        else:
            _link = url('journal_atom', qualified=True)
            _desc = '%s %s %s' % (c.rhodecode_name, _('journal'), 'rss feed')

        feed = Rss201rev2Feed(title=_desc,
                         link=_link,
                         description=_desc,
                         language=self.language,
                         ttl=self.ttl)

        for entry in journal[:self.feed_nr]:
            action, action_extra, ico = h.action_parser(entry, feed=True)
            title = "%s - %s %s" % (entry.user.short_contact, action(),
                                 entry.repository.repo_name)
            desc = action_extra()
            _url = None
            if entry.repository is not None:
                _url = url('changelog_home',
                           repo_name=entry.repository.repo_name,
                           qualified=True)

            feed.add_item(title=title,
                          pubdate=entry.action_date,
                          link=_url or url('', qualified=True),
                          author_email=entry.user.email,
                          author_name=entry.user.full_contact,
                          description=desc)

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

    @LoginRequired(api_access=True)
    def public_journal_atom(self):
        """
        Produce an atom-1.0 feed via feedgenerator module
        """
        c.following = self.sa.query(UserFollowing)\
            .filter(UserFollowing.user_id == self.rhodecode_user.user_id)\
            .options(joinedload(UserFollowing.follows_repository))\
            .all()

        return self._atom_feed(c.following)

    @LoginRequired(api_access=True)
    def public_journal_rss(self):
        """
        Produce an rss2 feed via feedgenerator module
        """
        c.following = self.sa.query(UserFollowing)\
            .filter(UserFollowing.user_id == self.rhodecode_user.user_id)\
            .options(joinedload(UserFollowing.follows_repository))\
            .all()

        return self._rss_feed(c.following)
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