protected function getOkResponse(Request $request, $redirectPath = null)
{
if (null === $redirectPath) {
$redirectUrl = $request->headers->get('referer');
} else {
$redirectUrl = $request->getUriForPath($redirectPath);
}
return $request->isMethod(Request::METHOD_GET) ? $this->redirect($redirectUrl) : new Response(json_encode(['result' => 'ok', 'code' => '0', 'message' => '']));
}