<?php
/*
- * Laconica - a distributed open-source microblogging tool
- * Copyright (C) 2008, Controlez-Vous, Inc.
+ * 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
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-if (!defined('LACONICA')) { exit(1); }
-
-class SupAction extends Action {
-
- function handle($args) {
-
- parent::handle($args);
-
- $seconds = $this->trimmed('seconds');
-
- if (!$seconds) {
- $seconds = 15;
- }
-
- $updates = $this->get_updates($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->available_periods(),
- 'period' => $seconds,
- 'updates' => $updates));
- }
-
- function available_periods() {
- 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 $available;
- }
-
- function get_updates($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.
-
- $notice->query('SELECT profile_id, max(id) AS max_id ' .
- 'FROM notice ' .
- 'WHERE created > (now() - ' . $seconds . ') ' .
- 'GROUP BY profile_id');
-
- $updates = array();
-
- while ($notice->fetch()) {
- $updates[] = array($notice->profile_id, $notice->max_id);
- }
-
- return $updates;
- }
-
- function is_readonly() {
- return true;
- }
+if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
+
+class SupAction extends Action
+{
+ function handle($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;
+ }
}