UnwrappingDenormalizer.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\Serializer\Normalizer;

use Symfony\Component\PropertyAccess\PropertyAccess;
use Symfony\Component\PropertyAccess\PropertyAccessorInterface;
use Symfony\Component\Serializer\Exception\LogicException;
use Symfony\Component\Serializer\SerializerAwareInterface;
use Symfony\Component\Serializer\SerializerAwareTrait;

/**
 * @author Eduard Bulava <bulavaeduard@gmail.com>
 */
final class UnwrappingDenormalizer implements DenormalizerInterface, SerializerAwareInterface {
    use SerializerAwareTrait;
    public const UNWRAP_PATH = 'unwrap_path';
    private readonly PropertyAccessorInterface $propertyAccessor;
    public function __construct(?PropertyAccessorInterface $propertyAccessor = null) {
        $this->propertyAccessor = $propertyAccessor ?? PropertyAccess::createPropertyAccessor();
    }
    public function getSupportedTypes(?string $format) : array {
        return [
            '*' => false,
        ];
    }
    public function denormalize(mixed $data, string $type, ?string $format = null, array $context = []) : mixed {
        $propertyPath = $context[self::UNWRAP_PATH];
        $context['unwrapped'] = true;
        if ($propertyPath) {
            if (!$this->propertyAccessor
                ->isReadable($data, $propertyPath)) {
                return null;
            }
            $data = $this->propertyAccessor
                ->getValue($data, $propertyPath);
        }
        if (!$this->serializer instanceof DenormalizerInterface) {
            throw new LogicException('Cannot unwrap path because the injected serializer is not a denormalizer.');
        }
        return $this->serializer
            ->denormalize($data, $type, $format, $context);
    }
    public function supportsDenormalization(mixed $data, string $type, ?string $format = null, array $context = []) : bool {
        return \array_key_exists(self::UNWRAP_PATH, $context) && !isset($context['unwrapped']);
    }

}