public function __construct(ApiProblem $apiProblem, \Exception $previous = null, array $headers = array(), $code = 0)
{
$this->apiProblem = $apiProblem;
$statusCode = $apiProblem->getStatusCode();
$message = $apiProblem->getTitle();
parent::__construct($statusCode, $message, $previous, $headers, $code);
}
private function configureListeners()
{
$app = $this;
$this->error(function (\Exception $e, $statusCode) use($app) {
// only act on /api URLs
if (strpos($app['request']->getPathInfo(), '/api') !== 0) {
return;
}
// allow 500 errors in debug to be thrown
if ($app['debug'] && $statusCode == 500) {
return;
}
if ($e instanceof ApiProblemException) {
$apiProblem = $e->getApiProblem();
} else {
$apiProblem = new ApiProblem($statusCode);
/*
* If it's an HttpException message (e.g. for 404, 403),
* we'll say as a rule that the exception message is safe
* for the client. Otherwise, it could be some sensitive
* low-level exception, which should *not* be exposed
*/
if ($e instanceof HttpException) {
$apiProblem->set('detail', $e->getMessage());
}
}
$data = $apiProblem->toArray();
// making type a URL, to a temporarily fake page
if ($data['type'] != 'about:blank') {
$data['type'] = 'http://localhost:8000/docs/errors#' . $data['type'];
}
$response = new JsonResponse($data, $apiProblem->getStatusCode());
$response->headers->set('Content-Type', 'application/problem+json');
return $response;
});
}