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<?php declare(strict_types=1); | |
namespace App\Request\ArgumentResolver; | |
use Doctrine\Persistence\ManagerRegistry; | |
use Symfony\Component\HttpFoundation\Request; | |
use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface; | |
use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata; | |
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException; | |
class DoctrineArgumentResolver implements ArgumentValueResolverInterface | |
{ | |
public function __construct( | |
private readonly ?ManagerRegistry $registry = null, | |
) { | |
} | |
public function supports(Request $request, ArgumentMetadata $argument): bool | |
{ | |
// If there is no manager, only Doctrine DBAL is configured. And we're only working with Doctrine entities, | |
// which are objects, which we expect to be managed by an entity manager. | |
if ($argument->isVariadic() | |
|| null === $this->registry | |
|| !class_exists($argument->getType(), false) | |
|| null === $entityManager = $this->registry->getManagerForClass($argument->getType()) | |
) { | |
return false; | |
} | |
if (!$argument->isNullable() | |
&& (!$argument->hasDefaultValue() || $argument->getDefaultValue() === null) | |
&& $request->attributes->get($argument->getName()) === null | |
) { | |
return false; | |
} | |
return !$entityManager->getMetadataFactory()->isTransient($argument->getType()); | |
} | |
public function resolve(Request $request, ArgumentMetadata $argument): iterable | |
{ | |
try { | |
$argumentValue = $request->attributes->get($argument->getName()) ?? $argument->getDefaultValue(); | |
} catch (\LogicException) { | |
$argumentValue = null; | |
} | |
$entityRepository = $this->registry | |
->getManagerForClass($argument->getType()) | |
->getRepository($argument->getType()); | |
$entity = $entityRepository->find($argumentValue) | |
?? $entityRepository->findOneBy([$argument->getName() => $argumentValue]); | |
if ($entity === null && !$argument->isNullable()) { | |
throw new NotFoundHttpException(sprintf('Doctrine entity "%s" not found.', $argument->getType())); | |
} | |
yield $entity; | |
} | |
} |
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