private function completeRequest(Partial $requestPendingPartial, array $messages = array())
 {
     $requestPendingPartial->setSettings('result_messages', $messages);
     $requestPendingPartial->setData('next_part', null);
     $requestPendingPartial->setData('is_completed', 1);
     $requestPendingPartial->save();
 }