Status message handling in Symfony3 - exception

Question

I often find that my controllers in Symfony resemble the following:
try {
$myService->doFoo();
$success = 'Congratulations! It worked!';
} catch (ExceptionOne $e) {
$error = 'Exception one occurred. Please try this instead.'
} catch (ExceptionTwo $e) {
$error = 'Exception two occurred. Please try this instead.'
} catch (ExceptionThree $e) {
$error = 'Exception three occurred. Please try this instead.'
} catch (ExceptionFour $e) {
$error = 'Exception four occurred. Please try this instead.'
} catch (ExceptionFive $e) {
$error = 'Exception five occurred. Please try this instead.'
} catch (ExceptionSix $e) {
$error = 'Exception six occurred. Please try this instead.'
} catch (ExceptionSeven $e) {
$error = 'Exception seven occurred. Please try this instead.'
} catch (ExceptionEight $e) {
$error = 'Exception eight occurred. Please try this instead.'
} catch (ExceptionNine $e) {
$error = 'Exception nine occurred. Please try this instead.'
}
return $this->render('Bundle:Foo:bar.html.twig', [
'success' => $success,
'error' => $error,
]);
Obviously this is an exaggerated scenario, but essentially I'm finding that my controllers are becoming convoluted with long error/success message logic. Does Symfony have a better approach to this pattern, in keeping with the skinny-controller paradigm?

Answer 1

Maybe an ExceptionListener can help you here.
From symfony docs :
class ExceptionListener
{
public function onKernelException(GetResponseForExceptionEvent $event)
{
// You get the exception object from the received event
$exception = $event->getException();
$message = sprintf(
'My Error says: %s with code: %s',
$exception->getMessage(),
$exception->getCode()
);
// Customize your response object to display the exception details
$response = new Response();
$response->setContent($message);
// HttpExceptionInterface is a special type of exception that
// holds status code and header details
if ($exception instanceof HttpExceptionInterface) {
$response->setStatusCode($exception->getStatusCode());
$response->headers->replace($exception->getHeaders());
} else {
$response->setStatusCode(Response::HTTP_INTERNAL_SERVER_ERROR);
}
// Send the modified response object to the event
$event->setResponse($response);
}
}