public function showAction(Post $post)
{
if (!$post) {
throw $this->createNotFoundException('Aucun article n\'existe avec cet identifiant ' . $post->getSlug());
}
$comment = new Comment();
$comment->setPost($post);
$form = $this->createForm(CommentType::class, $comment);
return $this->render('BlogBundle/Post/show.html.twig', array('post' => $post, 'form' => $form->createView()));
}
