/**
* Returns any pending tasks, optionally by a given type.
*
* @param string|null $type
* @param int|null $limit
*
* @return TaskModel[]
*/
public function getPendingTasks($type = null, $limit = null)
{
$conditions = array('and', 'lft = 1', 'status = :status');
$params = array(':status' => TaskStatus::Pending);
if ($type) {
$conditions[] = 'type = :type';
$params[':type'] = $type;
}
$query = craft()->db->createCommand()->from('tasks')->where($conditions, $params);
if ($limit) {
$query->limit($limit);
}
$results = $query->queryAll();
return TaskModel::populateModels($results);
}