Subversion-Projekte lars-tiefland.laravel_shop

<?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\ArgumentValueResolverInterface;

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 since Symfony 6.2

 */

class BackedEnumValueResolver implements ArgumentValueResolverInterface, ValueResolverInterface

{

    /**

     * @deprecated since Symfony 6.2, use resolve() instead

     */

    public function supports(Request $request, ArgumentMetadata $argument): bool

    {

        @trigger_deprecation('symfony/http-kernel', '6.2', 'The "%s()" method is deprecated, use "resolve()" instead.', __METHOD__);

        if (!is_subclass_of($argument->getType(), \BackedEnum::class)) {

            return false;

        }

        if ($argument->isVariadic()) {

            // only target route path parameters, which cannot be variadic.

            return false;

        }

        // 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.

        return $request->attributes->has($argument->getName());

    }

    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 $e) {

            throw new NotFoundHttpException(sprintf('Could not resolve the "%s $%s" controller argument: ', $argument->getType(), $argument->getName()).$e->getMessage(), $e);

        }

    }

}