<?php /* * StatusNet - the distributed open-source microblogging tool * Copyright (C) 2008, 2009, StatusNet, 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('STATUSNET') && !defined('LACONICA')) { exit(1); } class SupAction extends Action { function handle($args) { parent::handle($args); $seconds = $this->trimmed('seconds'); if (!$seconds) { $seconds = 15; } $updates = $this->getUpdates($seconds); header('Content-Type: application/json; charset=utf-8'); print json_encode(array('updated_time' => date('c'), 'since_time' => date('c', time() - $seconds), 'available_periods' => $this->availablePeriods(), 'period' => $seconds, 'updates' => $updates)); } function availablePeriods() { static $periods = array(86400, 43200, 21600, 7200, 3600, 1800, 600, 300, 120, 60, 30, 15); $available = array(); foreach ($periods as $period) { $available[$period] = common_local_url('sup', array('seconds' => $period)); } return $available; } function getUpdates($seconds) { $notice = new Notice(); # XXX: cache this. Depends on how big this protocol becomes; # Re-doing this query every 15 seconds isn't the end of the world. $divider = common_sql_date(time() - $seconds); $notice->query('SELECT profile_id, max(id) AS max_id ' . 'FROM ( ' . 'SELECT profile_id, id FROM notice ' . ((common_config('db','type') == 'pgsql') ? 'WHERE extract(epoch from created) > (extract(epoch from now()) - ' . $seconds . ') ' : 'WHERE created > "'.$divider.'" ' ) . ') AS latest ' . 'GROUP BY profile_id'); $updates = array(); while ($notice->fetch()) { $updates[] = array($notice->profile_id, $notice->max_id); } return $updates; } function isReadOnly($args) { return true; } }