public function indexAction(Request $request)
 {
     $request->getSession()->setFlash('redirect_url', $this->generateUrl($request->attributes->get('_route')));
     $metaConfiguration = $this->get('services.helper.page_meta_configuration')->findOneByUrl('/');
     if (!$metaConfiguration) {
         $metaConfiguration = new PageMetaConfiguration();
         $metaConfiguration->setUrl('/');
     }
     $form = $this->createForm(new PageMetaConfigurationFormType(), $metaConfiguration);
     return $this->render('AdminBundle:PageMetaConfiguration:homepage.html.twig', array('form' => $form->createView()));
 }