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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\Hydra\Serializer;
use ApiPlatform\Api\IriConverterInterface;
use ApiPlatform\Api\ResourceClassResolverInterface;
use ApiPlatform\Api\UrlGeneratorInterface;
use ApiPlatform\Core\Api\IriConverterInterface as LegacyIriConverterInterface;
use ApiPlatform\Core\Api\OperationType;
use ApiPlatform\JsonLd\ContextBuilderInterface;
use ApiPlatform\JsonLd\Serializer\JsonLdContextTrait;
use ApiPlatform\Metadata\CollectionOperationInterface;
use ApiPlatform\Metadata\Resource\Factory\ResourceMetadataCollectionFactoryInterface;
use ApiPlatform\Serializer\ContextTrait;
use ApiPlatform\State\Pagination\PaginatorInterface;
use ApiPlatform\State\Pagination\PartialPaginatorInterface;
use Symfony\Component\Serializer\Normalizer\CacheableSupportsMethodInterface;
use Symfony\Component\Serializer\Normalizer\NormalizerAwareInterface;
use Symfony\Component\Serializer\Normalizer\NormalizerAwareTrait;
use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
/**
* This normalizer handles collections.
*
* @author Kevin Dunglas <dunglas@gmail.com>
* @author Samuel ROZE <samuel.roze@gmail.com>
*/
final class CollectionNormalizer implements NormalizerInterface, NormalizerAwareInterface, CacheableSupportsMethodInterface
{
use ContextTrait;
use JsonLdContextTrait;
use NormalizerAwareTrait;
public const FORMAT = 'jsonld';
public const IRI_ONLY = 'iri_only';
private $contextBuilder;
private $resourceClassResolver;
private $iriConverter;
private $resourceMetadataCollectionFactory;
private $defaultContext = [
self::IRI_ONLY => false,
];
public function __construct(ContextBuilderInterface $contextBuilder, ResourceClassResolverInterface $resourceClassResolver, $iriConverter, ?ResourceMetadataCollectionFactoryInterface $resourceMetadataCollectionFactory = null, array $defaultContext = [])
{
$this->contextBuilder = $contextBuilder;
$this->resourceClassResolver = $resourceClassResolver;
if ($iriConverter instanceof LegacyIriConverterInterface) {
trigger_deprecation('api-platform/core', '2.7', sprintf('Use an implementation of "%s" instead of "%s".', IriConverterInterface::class, LegacyIriConverterInterface::class));
}
$this->iriConverter = $iriConverter;
$this->resourceMetadataCollectionFactory = $resourceMetadataCollectionFactory;
$this->defaultContext = array_merge($this->defaultContext, $defaultContext);
}
/**
* {@inheritdoc}
*/
public function supportsNormalization($data, $format = null, array $context = []): bool
{
return self::FORMAT === $format && is_iterable($data);
}
/**
* {@inheritdoc}
*
* @param iterable $object
*/
public function normalize($object, $format = null, array $context = []): array
{
if (!isset($context['resource_class']) || isset($context['api_sub_level'])) {
return $this->normalizeRawCollection($object, $format, $context);
}
$resourceClass = $this->resourceClassResolver->getResourceClass($object, $context['resource_class']);
$context = $this->initContext($resourceClass, $context);
$context['api_collection_sub_level'] = true;
$data = $this->addJsonLdContext($this->contextBuilder, $resourceClass, $context);
if ($this->iriConverter instanceof LegacyIriConverterInterface) {
// TODO: remove in 3.0
$data['@id'] = isset($context['operation_type']) && OperationType::SUBRESOURCE === $context['operation_type'] ? $this->iriConverter->getSubresourceIriFromResourceClass($resourceClass, $context) : $this->iriConverter->getIriFromResourceClass($resourceClass);
} else {
$data['@id'] = $this->iriConverter->getIriFromResource($resourceClass, UrlGeneratorInterface::ABS_PATH, $context['operation'] ?? null, $context);
}
$data['@type'] = 'hydra:Collection';
$data['hydra:member'] = [];
$iriOnly = $context[self::IRI_ONLY] ?? $this->defaultContext[self::IRI_ONLY];
if ($this->resourceMetadataCollectionFactory && ($operation = $context['operation'] ?? null) instanceof CollectionOperationInterface && ($itemUriTemplate = $operation->getItemUriTemplate())) {
$context['operation'] = $this->resourceMetadataCollectionFactory->create($resourceClass)->getOperation($operation->getItemUriTemplate());
} else {
unset($context['operation']);
}
unset($context['operation_name'], $context['uri_variables']);
foreach ($object as $obj) {
if ($iriOnly) {
$data['hydra:member'][] = $this->iriConverter instanceof LegacyIriConverterInterface ? $this->iriConverter->getIriFromItem($obj) : $this->iriConverter->getIriFromResource($obj);
} else {
$data['hydra:member'][] = $this->normalizer->normalize($obj, $format, $context);
}
}
if ($object instanceof PaginatorInterface) {
$data['hydra:totalItems'] = $object->getTotalItems();
}
if (\is_array($object) || ($object instanceof \Countable && !$object instanceof PartialPaginatorInterface)) {
$data['hydra:totalItems'] = \count($object);
}
return $data;
}
/**
* {@inheritdoc}
*/
public function hasCacheableSupportsMethod(): bool
{
return true;
}
/**
* Normalizes a raw collection (not API resources).
*/
private function normalizeRawCollection(iterable $object, ?string $format, array $context): array
{
$data = [];
foreach ($object as $index => $obj) {
$data[$index] = $this->normalizer->normalize($obj, $format, $context);
}
return $data;
}
}
class_alias(CollectionNormalizer::class, \ApiPlatform\Core\Hydra\Serializer\CollectionNormalizer::class);

vendor/api-platform/core/src/Hydra/Serializer/CollectionNormalizer.php line 62