public function downloadAction(Application $app, Request $request, $fileId)
 {
     $repo = $app->getFileRepository();
     $file = $repo->getById($fileId);
     $response = new BinaryFileResponse($file->getPath());
     $response->prepare(Request::createFromGlobals());
     $response->send();
 }
 public function downloadFileAction(Application $app, Request $request, $fileId)
 {
     if (!$fileId) {
         return new JsonResponse(['error' => 'file id must be set'], 400);
     }
     $repo = $app->getFileRepository();
     $file = $repo->getById($fileId);
     if (!$file) {
         return new JsonResponse(['error' => "file with id {$fileId} not found"], 404);
     }
     return new JsonResponse(['content' => base64_encode(file_get_contents($file->getPath()))], 200);
 }