static function defaultAction(Request $request, Service $service, $repositoryName)
 {
     $repository = $service->getRepository($repositoryName);
     if ($repository) {
         $response = new JsonResponse();
         $etag = md5($repository->getLastModifiedDate());
         $response->setEtag($etag);
         if ($response->isNotModified($request)) {
             $response->send();
             return $response;
         }
         $result = [];
         $result['content'] = [];
         foreach ($repository->getContentTypeDefinitions() as $definition) {
             $result['content'][$definition->getName()]['title'] = $definition->getTitle() ? $definition->getTitle() : $definition->getName();
             $result['content'][$definition->getName()]['lastchange_content'] = $repository->getLastModifiedDate($definition->getName());
             $result['content'][$definition->getName()]['lastchange_cmdl'] = 0;
             // TODO
         }
         $response->setContent(json_encode($result, JSON_PRETTY_PRINT));
         $response->setEtag($etag);
         $response->setPublic();
         return $response;
     }
 }