69 lines
2.4 KiB
PHP
69 lines
2.4 KiB
PHP
<?php
|
|
|
|
/*
|
|
* This file is part of the Symfony package.
|
|
*
|
|
* (c) Fabien Potencier <fabien@symfony.com>
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
namespace Symfony\Component\HttpKernel\Controller\ArgumentResolver;
|
|
|
|
use Symfony\Component\HttpFoundation\Request;
|
|
use Symfony\Component\HttpKernel\Controller\ValueResolverInterface;
|
|
use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
|
|
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
|
|
|
|
/**
|
|
* Attempt to resolve backed enum cases from request attributes, for a route path parameter,
|
|
* leading to a 404 Not Found if the attribute value isn't a valid backing value for the enum type.
|
|
*
|
|
* @author Maxime Steinhausser <maxime.steinhausser@gmail.com>
|
|
*/
|
|
final class BackedEnumValueResolver implements ValueResolverInterface
|
|
{
|
|
public function resolve(Request $request, ArgumentMetadata $argument): iterable
|
|
{
|
|
if (!is_subclass_of($argument->getType(), \BackedEnum::class)) {
|
|
return [];
|
|
}
|
|
|
|
if ($argument->isVariadic()) {
|
|
// only target route path parameters, which cannot be variadic.
|
|
return [];
|
|
}
|
|
|
|
// do not support if no value can be resolved at all
|
|
// letting the \Symfony\Component\HttpKernel\Controller\ArgumentResolver\DefaultValueResolver be used
|
|
// or \Symfony\Component\HttpKernel\Controller\ArgumentResolver fail with a meaningful error.
|
|
if (!$request->attributes->has($argument->getName())) {
|
|
return [];
|
|
}
|
|
|
|
$value = $request->attributes->get($argument->getName());
|
|
|
|
if (null === $value) {
|
|
return [null];
|
|
}
|
|
|
|
if ($value instanceof \BackedEnum) {
|
|
return [$value];
|
|
}
|
|
|
|
if (!\is_int($value) && !\is_string($value)) {
|
|
throw new \LogicException(sprintf('Could not resolve the "%s $%s" controller argument: expecting an int or string, got "%s".', $argument->getType(), $argument->getName(), get_debug_type($value)));
|
|
}
|
|
|
|
/** @var class-string<\BackedEnum> $enumType */
|
|
$enumType = $argument->getType();
|
|
|
|
try {
|
|
return [$enumType::from($value)];
|
|
} catch (\ValueError|\TypeError $e) {
|
|
throw new NotFoundHttpException(sprintf('Could not resolve the "%s $%s" controller argument: ', $argument->getType(), $argument->getName()).$e->getMessage(), $e);
|
|
}
|
|
}
|
|
}
|