/**
  * @Route("/createRandomThread" , name="create thread")
  */
 function createRandomThreadAction()
 {
     $doctrine = $this->getDoctrine();
     $em = $doctrine->getEntityManager();
     $thread = new Thread();
     $generator = $this->get('app.data_generator');
     $thread->setTitle($generator->generateRandomString());
     $em->persist($thread);
     $em->flush();
     return $this->redirect('/thread/' . $thread->getId());
 }