public function actionDownloadTranslations($id, $hash)
 {
     $project = $this->projectFacade->find($id);
     $verifyHash = hash_hmac('sha256', $id, $project->getKey());
     if ($hash === $verifyHash) {
         $this->buildFiles($project);
     } else {
         $this->sendResponse(new \Nette\Application\Responses\JsonResponse(['error' => 'true', 'message' => 'Bad request. Hash does not match.']));
     }
     $this->terminate();
 }