protected function registerViewListeners(Application $app)
{
// Add a listener to convert a HAL object to a response.
$app->on(KernelEvents::VIEW, function (GetResponseForControllerResultEvent $event) use($app) {
$result = $event->getControllerResult();
//var_dump($event->getRequest()->attributes->all());
if ($result instanceof Hal) {
if (in_array($event->getRequest()->getRequestFormat(), ['json', 'hal_json'])) {
$response = new HalJsonResponse($result, Response::HTTP_OK);
$response->setPretty($app['debug']);
} elseif ($app['debug']) {
// For debugging, default to returning JSON.
// Return application/json in dev mode because
// application/hal+json, while more precisely accurate,
// won't be rendered by most browsers.
$response = new Response($result->asJson(true), Response::HTTP_OK, ['Content-Type' => 'application/json']);
} else {
// In production, require a proper accept header.
throw new NotAcceptableHttpException("Only media types application/hal+json and application/hal+xml are supported.");
}
$event->setResponse($response);
}
});
}
