3 * Laconica - a distributed open-source microblogging tool
4 * Copyright (C) 2008, Controlez-Vous, Inc.
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Affero General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Affero General Public License for more details.
16 * You should have received a copy of the GNU Affero General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 if (!defined('LACONICA')) { exit(1); }
22 require_once(INSTALLDIR.'/lib/stream.php');
24 class FavoritedAction extends StreamAction {
26 function handle($args) {
27 parent::handle($args);
29 $page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
31 common_show_header(_('Popular notices'),
32 array($this, 'show_header'), NULL,
33 array($this, 'show_top'));
35 $this->show_notices($page);
41 $instr = $this->get_instructions();
42 $output = common_markup_to_html($instr);
43 common_element_start('div', 'instructions');
45 common_element_end('div');
46 $this->public_views_menu();
49 function show_header() {
53 function get_instructions() {
54 return _('Showing recently popular notices');
57 function show_notices($page) {
59 $qry = 'SELECT notice.*, sum(exp(-(now() - fave.modified) / %s)) as weight ' .
60 'FROM notice JOIN fave ON notice.id = fave.notice_id ' .
61 'GROUP BY fave.notice_id ' .
62 'ORDER BY weight DESC';
64 $offset = ($page - 1) * NOTICES_PER_PAGE;
65 $limit = NOTICES_PER_PAGE + 1;
67 if (common_config('db','type') == 'pgsql') {
68 $qry .= ' LIMIT ' . $limit . ' OFFSET ' . $offset;
70 $qry .= ' LIMIT ' . $offset . ', ' . $limit;
73 # Figure out how to cache this query
76 $notice->query(sprintf($qry, common_config('popular', 'dropoff')));
78 common_element_start('ul', array('id' => 'notices'));
82 while ($notice->fetch() && $cnt <= NOTICES_PER_PAGE) {
85 if ($cnt > NOTICES_PER_PAGE) {
89 $item = new NoticeListItem($notice);
93 common_element_end('ul');
95 common_pagination($page > 1, $cnt > NOTICES_PER_PAGE,