/**
* Saves images order according to request.
* Variable $_POST['order'] - new arrange of image ids, to be saved
* @throws HttpException
*/
public function actionOrder($order)
{
if (count($order) == 0) {
throw new HttpException(400, 'No data, to save');
}
$res = $this->behavior->arrange($order, $this->sort);
return Json::encode($res);
}
