public function readAction(Post $post, Request $request)
 {
     $read_post = $this->getDoctrine()->getRepository('BlogBundle:Post')->find($post);
     $comment = new Comment();
     $comment->setDateComment(new \DateTime('tomorrow'));
     $actual_user_name = $this->get('security.token_storage')->getToken()->getUsername();
     $comment->setAuthorComment($actual_user_name);
     $user_implement = $this->getDoctrine()->getRepository('BlogBundle:User')->findOneBy(array('username' => $actual_user_name));
     $comment->setInPost($post);
     $comment->setUser($user_implement);
     $form_comment = $this->createFormBuilder($comment)->add('textComment', 'textarea', array('label' => 'Your comment', 'attr' => array('rows' => 20, 'cols' => 88)))->getForm();
     $form_comment->handleRequest($request);
     if ($form_comment->isValid()) {
         $em = $this->getDoctrine()->getManager();
         $em->persist($comment);
         $em->flush();
         return $this->redirect($this->generateUrl('read_post', array('post' => $post->getId())));
     }
     $comments = $read_post->getComments();
     return $this->render('@Blog/Page_templates/read.html.twig', array('read_post' => $read_post, 'form_for_comment' => $form_comment->createView(), 'comments' => $comments, 'username' => $actual_user_name));
 }