/**
* Get an item to process.
*
* @return mixed False if no item to proceed.
*/
public static function getItem()
{
$item = false;
$db = Pluf::db();
$db->begin();
// In a transaction to not process the same item at
// the same time from to processes.
$gqueue = new Pluf_Queue();
$items = $gqueue->getList(array('filter' => $db->qn('lock') . '=0', 'order' => 'creation_dtime ASC'));
if ($items->count() > 0) {
$item = $items[0];
$item->lock = 1;
$item->update();
}
$db->commit();
if ($item === false) {
return false;
}
// try to get the corresponding object
$obj = Pluf::factory($item->model_class, $item->model_id);
if ($obj->id != $item->model_id) {
$obj = null;
}
return array('queue' => $item, 'item' => $obj);
}
/**
* Add an object to the queue.
*
* @param Pluf_Model Your model
* @param string Action for the object
*/
public static function addTo($object, $action = '')
{
$q = new Pluf_Queue();
$q->model_class = $object->_model;
$q->model_id = $object->id;
$q->lock = 0;
$q->action = $action;
$q->create();
}
