3 * StatusNet, the distributed open-source microblogging tool
5 * Base class for sections showing lists of notices
9 * LICENCE: This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU Affero General Public License as published by
11 * the Free Software Foundation, either version 3 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Affero General Public License for more details.
19 * You should have received a copy of the GNU Affero General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 * @author Evan Prodromou <evan@status.net>
25 * @copyright 2009 StatusNet, Inc.
26 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
27 * @link http://status.net/
30 if (!defined('STATUSNET') && !defined('LACONICA')) {
35 * Base class for sections showing lists of notices
37 * These are the widgets that show interesting data about a person
42 * @author Evan Prodromou <evan@status.net>
43 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
44 * @link http://status.net/
47 class PopularNoticeSection extends NoticeSection
51 if (common_config('db', 'type') == 'pgsql') {
52 $weightexpr='sum(exp(-extract(epoch from (now() - fave.modified)) / %s))';
53 if (!empty($this->out->tag)) {
54 $tag = pg_escape_string($this->out->tag);
57 $weightexpr='sum(exp(-(now() - fave.modified) / %s))';
58 if (!empty($this->out->tag)) {
59 $tag = mysql_escape_string($this->out->tag);
62 $qry = "SELECT notice.*, $weightexpr as weight ";
64 $qry .= 'FROM notice_tag, notice JOIN fave ON notice.id = fave.notice_id ' .
65 "WHERE notice.id = notice_tag.notice_id and '$tag' = notice_tag.tag";
67 $qry .= 'FROM notice JOIN fave ON notice.id = fave.notice_id';
69 $qry .= ' GROUP BY notice.id,notice.profile_id,notice.content,notice.uri,' .
70 'notice.rendered,notice.url,notice.created,notice.modified,' .
71 'notice.reply_to,notice.is_local,notice.source,notice.conversation ' .
72 'ORDER BY weight DESC';
75 $limit = NOTICES_PER_SECTION + 1;
77 $qry .= ' LIMIT ' . $limit . ' OFFSET ' . $offset;
79 $notice = Memcached_DataObject::cachedQuery('Notice',
80 sprintf($qry, common_config('popular', 'dropoff')),
87 return _('Popular notices');
92 return 'popular_notices';
97 return common_local_url('favorited');