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2
1<?php
2
3namespace App\Shared\Infrastructure\EventSubscriber;
4
5use Symfony\Component\DependencyInjection\Attribute\AutowireIterator;
6use Symfony\Component\EventDispatcher\EventSubscriberInterface;
7use Symfony\Component\HttpFoundation\JsonResponse;
8use Symfony\Component\HttpKernel\Event\ExceptionEvent;
9use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
10use Symfony\Component\HttpKernel\KernelEvents;
11use Symfony\Component\Serializer\Exception\ExceptionInterface;
12use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
13
14/**
15 * Handles exceptions to generate Json responses using custom normalizers
16 * This allows more control on the error response format with no dependency to symfony internals
17 *
18 * @author Wilhelm Zwertvaegher
19 *
20 */
21readonly class ExceptionSubscriber implements EventSubscriberInterface
22{
23    /**
24     * @param iterable<NormalizerInterface> $normalizers
25     */
26    public function __construct(
27        #[AutowireIterator('app.exception_normalizer')]
28        private iterable $normalizers
29    ) {
30    }
31
32    /**
33     * @throws ExceptionInterface
34     */
35    public function onExceptionEvent(ExceptionEvent $event): void
36    {
37        $request = $event->getRequest();
38        if ($request->getRequestFormat() !== 'json') {
39            return;
40        }
41        $throwable = $event->getThrowable();
42        foreach ($this->normalizers as $normalizer) {
43            if ($normalizer->supportsNormalization($throwable)) {
44                $data = $normalizer->normalize($throwable);
45                $status = $data['status'] ?? ($throwable instanceof HttpExceptionInterface ? $throwable->getStatusCode() : 500);
46                $event->setResponse(new JsonResponse($data, $status));
47            }
48        }
49    }
50
51    public static function getSubscribedEvents(): array
52    {
53        return [
54            KernelEvents::EXCEPTION => 'onExceptionEvent',
55        ];
56    }
57}

Paths

Below are the source code lines that represent each code path as identified by Xdebug. Please note a path is not necessarily coterminous with a line, a line may contain multiple paths and therefore show up more than once. Please also be aware that some paths may include implicit rather than explicit branches, e.g. an if statement always has an else as part of its logical flow even if you didn't write one.

ExceptionSubscriber->__construct
26    public function __construct(
27        #[AutowireIterator('app.exception_normalizer')]
28        private iterable $normalizers
29    ) {
30    }
ExceptionSubscriber->getSubscribedEvents
54            KernelEvents::EXCEPTION => 'onExceptionEvent',
55        ];
56    }
ExceptionSubscriber->onExceptionEvent
35    public function onExceptionEvent(ExceptionEvent $event): void
36    {
37        $request = $event->getRequest();
38        if ($request->getRequestFormat() !== 'json') {
 
39            return;
35    public function onExceptionEvent(ExceptionEvent $event): void
36    {
37        $request = $event->getRequest();
38        if ($request->getRequestFormat() !== 'json') {
 
41        $throwable = $event->getThrowable();
42        foreach ($this->normalizers as $normalizer) {
 
42        foreach ($this->normalizers as $normalizer) {
 
43            if ($normalizer->supportsNormalization($throwable)) {
 
44                $data = $normalizer->normalize($throwable);
45                $status = $data['status'] ?? ($throwable instanceof HttpExceptionInterface ? $throwable->getStatusCode() : 500);
 
45                $status = $data['status'] ?? ($throwable instanceof HttpExceptionInterface ? $throwable->getStatusCode() : 500);
 
42        foreach ($this->normalizers as $normalizer) {
43            if ($normalizer->supportsNormalization($throwable)) {
44                $data = $normalizer->normalize($throwable);
45                $status = $data['status'] ?? ($throwable instanceof HttpExceptionInterface ? $throwable->getStatusCode() : 500);
 
42        foreach ($this->normalizers as $normalizer) {
 
42        foreach ($this->normalizers as $normalizer) {
 
42        foreach ($this->normalizers as $normalizer) {
43            if ($normalizer->supportsNormalization($throwable)) {
44                $data = $normalizer->normalize($throwable);
45                $status = $data['status'] ?? ($throwable instanceof HttpExceptionInterface ? $throwable->getStatusCode() : 500);
46                $event->setResponse(new JsonResponse($data, $status));
47            }
48        }
49    }
35    public function onExceptionEvent(ExceptionEvent $event): void
36    {
37        $request = $event->getRequest();
38        if ($request->getRequestFormat() !== 'json') {
 
41        $throwable = $event->getThrowable();
42        foreach ($this->normalizers as $normalizer) {
 
42        foreach ($this->normalizers as $normalizer) {
 
43            if ($normalizer->supportsNormalization($throwable)) {
 
44                $data = $normalizer->normalize($throwable);
45                $status = $data['status'] ?? ($throwable instanceof HttpExceptionInterface ? $throwable->getStatusCode() : 500);
 
45                $status = $data['status'] ?? ($throwable instanceof HttpExceptionInterface ? $throwable->getStatusCode() : 500);
 
42        foreach ($this->normalizers as $normalizer) {
43            if ($normalizer->supportsNormalization($throwable)) {
44                $data = $normalizer->normalize($throwable);
45                $status = $data['status'] ?? ($throwable instanceof HttpExceptionInterface ? $throwable->getStatusCode() : 500);
 
42        foreach ($this->normalizers as $normalizer) {
 
42        foreach ($this->normalizers as $normalizer) {
 
42        foreach ($this->normalizers as $normalizer) {
43            if ($normalizer->supportsNormalization($throwable)) {
44                $data = $normalizer->normalize($throwable);
45                $status = $data['status'] ?? ($throwable instanceof HttpExceptionInterface ? $throwable->getStatusCode() : 500);
46                $event->setResponse(new JsonResponse($data, $status));
47            }
48        }
49    }
35    public function onExceptionEvent(ExceptionEvent $event): void
36    {
37        $request = $event->getRequest();
38        if ($request->getRequestFormat() !== 'json') {
 
41        $throwable = $event->getThrowable();
42        foreach ($this->normalizers as $normalizer) {
 
42        foreach ($this->normalizers as $normalizer) {
 
43            if ($normalizer->supportsNormalization($throwable)) {
 
42        foreach ($this->normalizers as $normalizer) {
 
42        foreach ($this->normalizers as $normalizer) {
 
42        foreach ($this->normalizers as $normalizer) {
43            if ($normalizer->supportsNormalization($throwable)) {
44                $data = $normalizer->normalize($throwable);
45                $status = $data['status'] ?? ($throwable instanceof HttpExceptionInterface ? $throwable->getStatusCode() : 500);
46                $event->setResponse(new JsonResponse($data, $status));
47            }
48        }
49    }
35    public function onExceptionEvent(ExceptionEvent $event): void
36    {
37        $request = $event->getRequest();
38        if ($request->getRequestFormat() !== 'json') {
 
41        $throwable = $event->getThrowable();
42        foreach ($this->normalizers as $normalizer) {
 
42        foreach ($this->normalizers as $normalizer) {
 
42        foreach ($this->normalizers as $normalizer) {
43            if ($normalizer->supportsNormalization($throwable)) {
44                $data = $normalizer->normalize($throwable);
45                $status = $data['status'] ?? ($throwable instanceof HttpExceptionInterface ? $throwable->getStatusCode() : 500);
46                $event->setResponse(new JsonResponse($data, $status));
47            }
48        }
49    }
35    public function onExceptionEvent(ExceptionEvent $event): void
36    {
37        $request = $event->getRequest();
38        if ($request->getRequestFormat() !== 'json') {
 
41        $throwable = $event->getThrowable();
42        foreach ($this->normalizers as $normalizer) {
 
42        foreach ($this->normalizers as $normalizer) {
43            if ($normalizer->supportsNormalization($throwable)) {
44                $data = $normalizer->normalize($throwable);
45                $status = $data['status'] ?? ($throwable instanceof HttpExceptionInterface ? $throwable->getStatusCode() : 500);
46                $event->setResponse(new JsonResponse($data, $status));
47            }
48        }
49    }
onExceptionEvent
35    public function onExceptionEvent(ExceptionEvent $event): void
36    {
37        $request = $event->getRequest();
38        if ($request->getRequestFormat() !== 'json') {
 
39            return;
35    public function onExceptionEvent(ExceptionEvent $event): void
36    {
37        $request = $event->getRequest();
38        if ($request->getRequestFormat() !== 'json') {
 
41        $throwable = $event->getThrowable();
42        foreach ($this->normalizers as $normalizer) {
 
42        foreach ($this->normalizers as $normalizer) {
 
43            if ($normalizer->supportsNormalization($throwable)) {
 
44                $data = $normalizer->normalize($throwable);
45                $status = $data['status'] ?? ($throwable instanceof HttpExceptionInterface ? $throwable->getStatusCode() : 500);
 
45                $status = $data['status'] ?? ($throwable instanceof HttpExceptionInterface ? $throwable->getStatusCode() : 500);
 
42        foreach ($this->normalizers as $normalizer) {
43            if ($normalizer->supportsNormalization($throwable)) {
44                $data = $normalizer->normalize($throwable);
45                $status = $data['status'] ?? ($throwable instanceof HttpExceptionInterface ? $throwable->getStatusCode() : 500);
 
42        foreach ($this->normalizers as $normalizer) {
 
42        foreach ($this->normalizers as $normalizer) {
 
42        foreach ($this->normalizers as $normalizer) {
43            if ($normalizer->supportsNormalization($throwable)) {
44                $data = $normalizer->normalize($throwable);
45                $status = $data['status'] ?? ($throwable instanceof HttpExceptionInterface ? $throwable->getStatusCode() : 500);
46                $event->setResponse(new JsonResponse($data, $status));
47            }
48        }
49    }
35    public function onExceptionEvent(ExceptionEvent $event): void
36    {
37        $request = $event->getRequest();
38        if ($request->getRequestFormat() !== 'json') {
 
41        $throwable = $event->getThrowable();
42        foreach ($this->normalizers as $normalizer) {
 
42        foreach ($this->normalizers as $normalizer) {
 
43            if ($normalizer->supportsNormalization($throwable)) {
 
44                $data = $normalizer->normalize($throwable);
45                $status = $data['status'] ?? ($throwable instanceof HttpExceptionInterface ? $throwable->getStatusCode() : 500);
 
45                $status = $data['status'] ?? ($throwable instanceof HttpExceptionInterface ? $throwable->getStatusCode() : 500);
 
42        foreach ($this->normalizers as $normalizer) {
43            if ($normalizer->supportsNormalization($throwable)) {
44                $data = $normalizer->normalize($throwable);
45                $status = $data['status'] ?? ($throwable instanceof HttpExceptionInterface ? $throwable->getStatusCode() : 500);
 
42        foreach ($this->normalizers as $normalizer) {
 
42        foreach ($this->normalizers as $normalizer) {
 
42        foreach ($this->normalizers as $normalizer) {
43            if ($normalizer->supportsNormalization($throwable)) {
44                $data = $normalizer->normalize($throwable);
45                $status = $data['status'] ?? ($throwable instanceof HttpExceptionInterface ? $throwable->getStatusCode() : 500);
46                $event->setResponse(new JsonResponse($data, $status));
47            }
48        }
49    }
35    public function onExceptionEvent(ExceptionEvent $event): void
36    {
37        $request = $event->getRequest();
38        if ($request->getRequestFormat() !== 'json') {
 
41        $throwable = $event->getThrowable();
42        foreach ($this->normalizers as $normalizer) {
 
42        foreach ($this->normalizers as $normalizer) {
 
43            if ($normalizer->supportsNormalization($throwable)) {
 
42        foreach ($this->normalizers as $normalizer) {
 
42        foreach ($this->normalizers as $normalizer) {
 
42        foreach ($this->normalizers as $normalizer) {
43            if ($normalizer->supportsNormalization($throwable)) {
44                $data = $normalizer->normalize($throwable);
45                $status = $data['status'] ?? ($throwable instanceof HttpExceptionInterface ? $throwable->getStatusCode() : 500);
46                $event->setResponse(new JsonResponse($data, $status));
47            }
48        }
49    }
35    public function onExceptionEvent(ExceptionEvent $event): void
36    {
37        $request = $event->getRequest();
38        if ($request->getRequestFormat() !== 'json') {
 
41        $throwable = $event->getThrowable();
42        foreach ($this->normalizers as $normalizer) {
 
42        foreach ($this->normalizers as $normalizer) {
 
42        foreach ($this->normalizers as $normalizer) {
43            if ($normalizer->supportsNormalization($throwable)) {
44                $data = $normalizer->normalize($throwable);
45                $status = $data['status'] ?? ($throwable instanceof HttpExceptionInterface ? $throwable->getStatusCode() : 500);
46                $event->setResponse(new JsonResponse($data, $status));
47            }
48        }
49    }
35    public function onExceptionEvent(ExceptionEvent $event): void
36    {
37        $request = $event->getRequest();
38        if ($request->getRequestFormat() !== 'json') {
 
41        $throwable = $event->getThrowable();
42        foreach ($this->normalizers as $normalizer) {
 
42        foreach ($this->normalizers as $normalizer) {
43            if ($normalizer->supportsNormalization($throwable)) {
44                $data = $normalizer->normalize($throwable);
45                $status = $data['status'] ?? ($throwable instanceof HttpExceptionInterface ? $throwable->getStatusCode() : 500);
46                $event->setResponse(new JsonResponse($data, $status));
47            }
48        }
49    }
{main}
3namespace App\Shared\Infrastructure\EventSubscriber;
4
5use Symfony\Component\DependencyInjection\Attribute\AutowireIterator;
6use Symfony\Component\EventDispatcher\EventSubscriberInterface;
7use Symfony\Component\HttpFoundation\JsonResponse;
8use Symfony\Component\HttpKernel\Event\ExceptionEvent;
9use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
10use Symfony\Component\HttpKernel\KernelEvents;
11use Symfony\Component\Serializer\Exception\ExceptionInterface;
12use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
13
14/**
15 * Handles exceptions to generate Json responses using custom normalizers
16 * This allows more control on the error response format with no dependency to symfony internals
17 *
18 * @author Wilhelm Zwertvaegher
19 *
20 */
21readonly class ExceptionSubscriber implements EventSubscriberInterface
22{
23    /**
24     * @param iterable<NormalizerInterface> $normalizers
25     */
26    public function __construct(
27        #[AutowireIterator('app.exception_normalizer')]
28        private iterable $normalizers
29    ) {
30    }
31
32    /**
33     * @throws ExceptionInterface
34     */
35    public function onExceptionEvent(ExceptionEvent $event): void
36    {
37        $request = $event->getRequest();
38        if ($request->getRequestFormat() !== 'json') {
39            return;
40        }
41        $throwable = $event->getThrowable();
42        foreach ($this->normalizers as $normalizer) {
43            if ($normalizer->supportsNormalization($throwable)) {
44                $data = $normalizer->normalize($throwable);
45                $status = $data['status'] ?? ($throwable instanceof HttpExceptionInterface ? $throwable->getStatusCode() : 500);
46                $event->setResponse(new JsonResponse($data, $status));
47            }
48        }
49    }
50
51    public static function getSubscribedEvents(): array
52    {
53        return [
54            KernelEvents::EXCEPTION => 'onExceptionEvent',
55        ];
56    }