88 lines
3.4 KiB
PHP
88 lines
3.4 KiB
PHP
<?php
|
|
/**
|
|
* Table Definition for msn_waiting_message
|
|
*/
|
|
require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
|
|
|
|
class Msn_waiting_message extends Managed_DataObject {
|
|
|
|
public $__table = 'msn_waiting_message'; // table name
|
|
public $id; // int primary_key not_null auto_increment
|
|
public $screenname; // varchar(255) not_null
|
|
public $message; // text not_null
|
|
public $claimed; // datetime()
|
|
public $created; // datetime() not_null
|
|
public $modified; // timestamp() not_null default_CURRENT_TIMESTAMP
|
|
|
|
public static function schemaDef()
|
|
{
|
|
return array(
|
|
'fields' => array(
|
|
'id' => array('type' => 'serial', 'not null' => true, 'description' => 'Unique ID for entry'),
|
|
'screenname' => array('type' => 'varchar', 'length' => 255, 'description' => 'from screenname'),
|
|
'message' => array('type' => 'text', 'not null' => true, 'description' => 'MSN message text'),
|
|
'claimed' => array('type' => 'datetime', 'description' => 'date this irc message was claimed'),
|
|
'created' => array('type' => 'datetime', 'not null' => true, 'description' => 'date this record was created'),
|
|
'modified' => array('type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'),
|
|
),
|
|
'primary key' => array('id'),
|
|
'indexes' => array(
|
|
'msn_waiting_message_prioritise_idx' => array('screenname'),
|
|
),
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @param string $screenname screenname or array of screennames to pull from
|
|
* If not specified, checks all queues in the system.
|
|
*/
|
|
public static function top($screenname = null) {
|
|
$wm = new Msn_waiting_message();
|
|
if ($screenname) {
|
|
if (is_array($screenname)) {
|
|
// @fixme use safer escaping
|
|
$list = implode("','", array_map('addslashes', $screenname));
|
|
$wm->whereAdd("screenname in ('$list')");
|
|
} else {
|
|
$wm->screenname = $screenname;
|
|
}
|
|
}
|
|
$wm->orderBy('created');
|
|
$wm->whereAdd('claimed is null');
|
|
|
|
$wm->limit(1);
|
|
|
|
$cnt = $wm->find(true);
|
|
|
|
if ($cnt) {
|
|
// XXX: potential race condition
|
|
// can we force it to only update if claimed is still null
|
|
// (or old)?
|
|
common_log(LOG_INFO, 'claiming msn waiting message id = ' . $wm->id);
|
|
$orig = clone($wm);
|
|
$wm->claimed = common_sql_now();
|
|
$result = $wm->update($orig);
|
|
if ($result) {
|
|
common_log(LOG_INFO, 'claim succeeded.');
|
|
return $wm;
|
|
} else {
|
|
common_log(LOG_INFO, 'claim failed.');
|
|
}
|
|
}
|
|
$wm = null;
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Release a claimed item.
|
|
*/
|
|
public function releaseClaim() {
|
|
// DB_DataObject doesn't let us save nulls right now
|
|
$sql = sprintf("UPDATE msn_waiting_message SET claimed=NULL WHERE id=%d", $this->id);
|
|
$this->query($sql);
|
|
|
|
$this->claimed = null;
|
|
$this->encache();
|
|
}
|
|
}
|