/**
  * @param $conferenceId
  * @Method('POST')
  * @Route('conferences/{integer $$conferenceId}/delete')
  */
 public function delete(integer $conferenceId)
 {
     $service = new ConferencesService($this->dbContext);
     $result = $service->deleteConference($conferenceId);
     $this->processResponse($result);
     $this->redirectToUrl('conferences/own');
 }