ObjectMapperProvider.php

<?php

/*
 * This file is part of the API Platform project.
 *
 * (c) Kévin Dunglas <dunglas@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

declare(strict_types=1);

namespace ApiPlatform\State\Provider;

use ApiPlatform\Doctrine\Odm\State\Options as OdmOptions;
use ApiPlatform\Doctrine\Orm\State\Options;
use ApiPlatform\Metadata\Operation;
use ApiPlatform\State\Pagination\ArrayPaginator;
use ApiPlatform\State\Pagination\PaginatorInterface;
use ApiPlatform\State\ProviderInterface;
use Symfony\Component\ObjectMapper\Attribute\Map;
use Symfony\Component\ObjectMapper\ObjectMapperInterface;

final class ObjectMapperProvider implements ProviderInterface
{
    public function __construct(
        private readonly ObjectMapperInterface $objectMapper,
        private readonly ProviderInterface $decorated,
    ) {
    }

    public function provide(Operation $operation, array $uriVariables = [], array $context = []): object|array|null
    {
        $data = $this->decorated->provide($operation, $uriVariables, $context);

        if(!is_object($data)) {
            return $data;
        }

        $entityClass = $operation->getClass();
        if (($options = $operation->getStateOptions()) && $options instanceof Options && $options->getEntityClass()) {
            $entityClass = $options->getEntityClass();
        }

        if (($options = $operation->getStateOptions()) && $options instanceof OdmOptions && $options->getDocumentClass()) {
            $entityClass = $options->getDocumentClass();
        }

        if (!(new \ReflectionClass($entityClass))->getAttributes(Map::class)) {
            return $data;
        }

        if ($data instanceof PaginatorInterface) {
            return new ArrayPaginator(array_map(fn($v) => $this->objectMapper->map($v), iterator_to_array($data)), 0, \count($data));
        }

        return $this->objectMapper->map($data);
    }
}