/**
  * @param $lectureId
  * @Method('POST')
  * @Route('lectures/{integer $lectureId}/delete')
  */
 public function delete(integer $lectureId)
 {
     $service = new LecturesService($this->dbContext);
     $result = $service->deleteLecture($lectureId);
     $this->processResponse($result);
     $this->redirectToUrl('/conferences/details/' . $result->getModel());
 }