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<?php
/*
* Laconica - a distributed open-source microblogging tool
* Copyright (C) 2008, Controlez-Vous, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('LACONICA')) { exit(1); }
require_once(INSTALLDIR.'/lib/stream.php');
class FavoritedAction extends StreamAction {
function handle($args) {
parent::handle($args);
$page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
common_show_header(_('Popular notices'),
array($this, 'show_header'), null,
array($this, 'show_top'));
$this->show_notices($page);
common_show_footer();
}
function show_top() {
$instr = $this->get_instructions();
$output = common_markup_to_html($instr);
common_element_start('div', 'instructions');
common_raw($output);
common_element_end('div');
$this->public_views_menu();
}
function show_header() {
return;
}
function get_instructions() {
return _('Showing recently popular notices');
}
function show_notices($page) {
$qry = 'SELECT notice.*, sum(exp(-(now() - fave.modified) / %s)) as weight ' .
'FROM notice JOIN fave ON notice.id = fave.notice_id ' .
'GROUP BY fave.notice_id ' .
'ORDER BY weight DESC';
$offset = ($page - 1) * NOTICES_PER_PAGE;
$limit = NOTICES_PER_PAGE + 1;
if (common_config('db','type') == 'pgsql') {
$qry .= ' LIMIT ' . $limit . ' OFFSET ' . $offset;
} else {
$qry .= ' LIMIT ' . $offset . ', ' . $limit;
}
# Figure out how to cache this query
$notice = new Notice;
$notice->query(sprintf($qry, common_config('popular', 'dropoff')));
common_element_start('ul', array('id' => 'notices'));
$cnt = 0;
while ($notice->fetch() && $cnt <= NOTICES_PER_PAGE) {
$cnt++;
if ($cnt > NOTICES_PER_PAGE) {
break;
}
$item = new NoticeListItem($notice);
$item->show();
}
common_element_end('ul');
common_pagination($page > 1, $cnt > NOTICES_PER_PAGE,
$page, 'favorited');
}
}
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