/**
  * @Route("/{id}-{name}", name="@categoyIndex")
  * @Template()
  */
 public function indexAction(Entity\Category $category)
 {
     $posts = $category->getPosts();
     $em = $this->getDoctrine()->getManager();
     $posts = $em->getRepository('WorkshopBackendBundle:Post')->findBy(array('category' => $category), array('updatedAt' => 'desc'));
     return array('category' => $category, 'posts' => $posts);
 }