public function response($code = 200, $headers = array())
{
$response = new Response();
$body = json_encode(['success' => $this->success, 'data' => $this->data]);
$defaultOptions = ['Content-Type' => 'application/json', 'Content-Length' => strlen($body)];
$finalHeaders = array_merge($defaultOptions, $headers);
$response->setHeaders($finalHeaders);
$response->setBody($body);
$response->respondWith($code);
return $response;
}
