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<?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\Core\JsonApi\EventListener;
use ApiPlatform\Core\Metadata\Resource\Factory\ResourceMetadataFactoryInterface;
use Symfony\Component\HttpKernel\Event\RequestEvent;
/**
* @see http://jsonapi.org/format/#fetching-sparse-fieldsets
* @see https://api-platform.com/docs/core/filters#property-filter
*
* @author Baptiste Meyer <baptiste.meyer@gmail.com>
*/
final class TransformFieldsetsParametersListener
{
private $resourceMetadataFactory;
public function __construct(ResourceMetadataFactoryInterface $resourceMetadataFactory)
{
$this->resourceMetadataFactory = $resourceMetadataFactory;
}
public function onKernelRequest(RequestEvent $event): void
{
$request = $event->getRequest();
$queryParameters = $request->query->all();
$includeParameter = $queryParameters['include'] ?? null;
$fieldsParameter = $queryParameters['fields'] ?? null;
if (
(!$fieldsParameter && !$includeParameter) ||
($fieldsParameter && !\is_array($fieldsParameter)) ||
(!\is_string($includeParameter)) ||
'jsonapi' !== $request->getRequestFormat() ||
!($resourceClass = $request->attributes->get('_api_resource_class'))
) {
return;
}
$includeParameter = explode(',', $includeParameter ?? '');
if (!$fieldsParameter) {
$request->attributes->set('_api_included', $includeParameter);
return;
}
$resourceShortName = $this->resourceMetadataFactory->create($resourceClass)->getShortName();
$properties = [];
foreach ($fieldsParameter as $resourceType => $fields) {
$fields = explode(',', $fields);
if ($resourceShortName === $resourceType) {
$properties = array_merge($properties, $fields);
} elseif (\in_array($resourceType, $includeParameter, true)) {
$properties[$resourceType] = $fields;
$request->attributes->set('_api_included', array_merge($request->attributes->get('_api_included', []), [$resourceType]));
} else {
$properties[$resourceType] = $fields;
}
}
$request->attributes->set('_api_filter_property', $properties);
}
}