public function addAction(Request $request, $id) 
    {
        $em = $this->getDoctrine()->getManager();
        $actor = $em->getRepository($this->get('core_manager')->getActorBundleName().':Actor')->findOneById($id);
        
        $trans = $this->get('translator');
        $form = $this->container->get('form.factory')->create('CoreBundle\Form\ActorRoleType');
        $form->handleRequest($request);
           
        if ($form->isSubmitted()) {
            $em = $this->getDoctrine()->getManager();
            $data = $request->request->get($form->getName());
            $role = $em->getRepository('CoreBundle:Role')->find($data['roles']);
            $actor->addRole($role);
            try {
                $em->persist($actor);
                $em->flush($actor);
                return new JsonResponse(array('status' => 'success', 'id'=> $actor->getId(), 'message'=> $trans->trans('role.created')));
            } catch (\Exception $exc) {
                return new JsonResponse(array('status' => 'error', 'message'=> $trans->trans('role.duplicate')));
            }
        }
        return new JsonResponse(array('status' => 'error', 'message'=> $trans->trans('role.form.notsubmit')));
    }