private function handleRequest(Comment $entity, Request $request)
 {
     $data = $request->getContent();
     if (isset($data['answer'])) {
         $entity->setAnswer($this->findAnswer($data['answer']));
     }
     if (isset($data['text'])) {
         $entity->setText($data['text']);
     }
     if (isset($data['created_by'])) {
         $entity->setCreatedBy($data['created_by']);
     }
 }