/**
* @param Request $request
* @param SymfonyResponse $response
* @param ResponseModel $responseModel
* @return JsonResponse|SymfonyResponse
*/
protected function serialize(Request $request, SymfonyResponse $response, ResponseModel $responseModel)
{
switch ($request->getRequestFormat()) {
case Format::FORMAT_XML:
$response->setContent($this->getSerializedContent($request, $responseModel));
break;
default:
$headers = $response->headers;
$response = new JsonResponse($this->getSerializedContent($request, $responseModel), $response->getStatusCode());
$response->headers = $headers;
// some headers might mess up if we pass it to the JsonResponse
break;
}
return $response;
}
/**
* converts content to correct output format
*
* @param FilterResponseEvent $event
*/
public function onResponse(FilterResponseEvent $event)
{
if (!$this->isActive($event)) {
return;
}
$request = $event->getRequest();
$response = $event->getResponse();
$content = $response->getContent();
// convert content to content container
if (!$content instanceof ResponseContainer) {
$content = ResponseContainer::createAutoDetect($response);
}
// override http status code if needed
$statusCode = $content->getStatusCode();
if (!empty($statusCode)) {
$response->setStatusCode($content->getStatusCode());
}
// set 204 header for empty content
if ($content->isEmpty() && !$response->isRedirect()) {
$response->setStatusCode(Response::HTTP_NO_CONTENT);
$content->setStatusCode(Response::HTTP_NO_CONTENT);
}
// put statusCode in response and force 200 OK in header?
if ($request->headers->has('X-Force-Status-Code-200') || $request->getRequestFormat() == self::FORMAT_JSON && $request->query->has('callback')) {
$content->setReturnStatusCode(true);
$response->setStatusCode(Response::HTTP_OK);
$response->headers->set('X-Status-Code', Response::HTTP_OK);
}
// serialize content container
try {
$context = new SerializationContext();
$context->setSerializeNull(true);
$format = $event->getRequest()->getRequestFormat();
$contentSerialized = $this->serializer->serialize($content->toArray(), $format, $context);
switch ($format) {
case self::FORMAT_XML:
$response->setContent($contentSerialized);
break;
default:
$headers = $response->headers;
$response = new JsonResponse(null, $response->getStatusCode());
$response->headers = $headers;
$response->setContent($contentSerialized);
break;
}
} catch (\Exception $e) {
$response = new JsonResponse(['error' => ['code' => 'error.api.middleware', 'message' => $e->getMessage()]]);
}
// force empty output on a no-content response
if ($content->isEmpty() && $response->isEmpty()) {
$response->setContent('');
}
$event->setResponse($response);
}
