<?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\Serializer;

use ApiPlatform\Exception\RuntimeException;

use ApiPlatform\Metadata\Resource\Factory\ResourceMetadataCollectionFactoryInterface;

use ApiPlatform\Util\RequestAttributesExtractor;

use Symfony\Component\HttpFoundation\Request;

use Symfony\Component\Serializer\Encoder\CsvEncoder;

use Symfony\Component\Serializer\Normalizer\AbstractObjectNormalizer;

use Symfony\Component\Serializer\Normalizer\DenormalizerInterface;

/**

* {@inheritdoc}

*

* @author Kévin Dunglas <dunglas@gmail.com>

*/

final class SerializerContextBuilder implements SerializerContextBuilderInterface

{

public function __construct(private readonly ResourceMetadataCollectionFactoryInterface $resourceMetadataFactory)

{

}

/**

* {@inheritdoc}

*/

public function createFromRequest(Request $request, bool $normalization, array $attributes = null): array

{

if (null === $attributes && !$attributes = RequestAttributesExtractor::extractAttributes($request)) {

throw new RuntimeException('Request attributes are not valid.');

}

$operation = $attributes['operation'] ?? $this->resourceMetadataFactory->create($attributes['resource_class'])->getOperation($attributes['operation_name']);

$context = $normalization ? ($operation->getNormalizationContext() ?? []) : ($operation->getDenormalizationContext() ?? []);

$context['operation_name'] = $operation->getName();

$context['operation'] = $operation;

$context['resource_class'] = $attributes['resource_class'];

$context['skip_null_values'] ??= true;

$context['iri_only'] ??= false;

$context['request_uri'] = $request->getRequestUri();

$context['uri'] = $request->getUri();

$context['input'] = $operation->getInput();

$context['output'] = $operation->getOutput();

if ($operation->getTypes()) {

$context['types'] = $operation->getTypes();

}

if ($operation->getUriVariables()) {

$context['uri_variables'] = [];

foreach (array_keys($operation->getUriVariables()) as $parameterName) {

$context['uri_variables'][$parameterName] = $request->attributes->get($parameterName);

}

}

if (!$normalization) {

if (!isset($context['api_allow_update'])) {

$context['api_allow_update'] = \in_array($method = $request->getMethod(), ['PUT', 'PATCH'], true);

if ($context['api_allow_update'] && 'PATCH' === $method) {

$context['deep_object_to_populate'] ??= true;

}

}

if ('csv' === (method_exists(Request::class, 'getContentTypeFormat') ? $request->getContentTypeFormat() : $request->getContentType())) {

$context[CsvEncoder::AS_COLLECTION_KEY] = false;

}

}

if ($operation->getCollectDenormalizationErrors() ?? false) {

$context[DenormalizerInterface::COLLECT_DENORMALIZATION_ERRORS] = true;

}

// to keep the cache computation smaller, we have "operation_name" and "iri" anyways

$context[AbstractObjectNormalizer::EXCLUDE_FROM_CACHE_KEY][] = 'root_operation';

$context[AbstractObjectNormalizer::EXCLUDE_FROM_CACHE_KEY][] = 'operation';

return $context;

}

}