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 class SupAction extends Action
25 function handle($args)
28 parent::handle($args);
30 $seconds = $this->trimmed('seconds');
36 $updates = $this->get_updates($seconds);
38 header('Content-Type: application/json; charset=utf-8');
40 print json_encode(array('updated_time' => date('c'),
41 'since_time' => date('c', time() - $seconds),
42 'available_periods' => $this->available_periods(),
44 'updates' => $updates));
47 function available_periods()
49 static $periods = array(86400, 43200, 21600, 7200,
50 3600, 1800, 600, 300, 120,
53 foreach ($periods as $period) {
54 $available[$period] = common_local_url('sup',
55 array('seconds' => $period));
61 function get_updates($seconds)
63 $notice = new Notice();
65 # XXX: cache this. Depends on how big this protocol becomes;
66 # Re-doing this query every 15 seconds isn't the end of the world.
68 $notice->query('SELECT profile_id, max(id) AS max_id ' .
70 'WHERE created > (now() - ' . $seconds . ') ' .
71 'GROUP BY profile_id');
75 while ($notice->fetch()) {
76 $updates[] = array($notice->profile_id, $notice->max_id);
82 function is_readonly()