protected function EntityResource::deserialize in Drupal 10

Same name and namespace in other branches

1. 8 core/modules/jsonapi/src/Controller/EntityResource.php \Drupal\jsonapi\Controller\EntityResource::deserialize()
2. 9 core/modules/jsonapi/src/Controller/EntityResource.php \Drupal\jsonapi\Controller\EntityResource::deserialize()

Deserializes a request body, if any.

Parameters

\Drupal\jsonapi\ResourceType\ResourceType $resource_type: The JSON:API resource type for the current request.

\Symfony\Component\HttpFoundation\Request $request: The request object.

string $class: The class into which the request data needs to be deserialized.

string $relationship_field_name: The public relationship field name of the data to be deserialized if the incoming request is for a relationship update. Not required for non- relationship requests.

Return value

array An object normalization.

Throws

\Symfony\Component\HttpKernel\Exception\BadRequestHttpException Thrown if the request body cannot be decoded, or when no request body was provided with a POST or PATCH request.

\Symfony\Component\HttpKernel\Exception\UnprocessableEntityHttpException Thrown if the request body cannot be denormalized.

File

core/modules/jsonapi/src/Controller/EntityResource.php, line 830

Class

EntityResource

Process all entity requests.

Namespace

Drupal\jsonapi\Controller

Code

protected function deserialize(ResourceType $resource_type, Request $request, $class, $relationship_field_name = NULL) {
  assert($class === JsonApiDocumentTopLevel::class || $class === ResourceIdentifier::class && !empty($relationship_field_name) && is_string($relationship_field_name));
  $received = (string) $request
    ->getContent();
  if (!$received) {
    assert($request
      ->isMethod('POST') || $request
      ->isMethod('PATCH') || $request
      ->isMethod('DELETE'));
    if ($request
      ->isMethod('DELETE') && $relationship_field_name) {
      throw new BadRequestHttpException(sprintf('You need to provide a body for DELETE operations on a relationship (%s).', $relationship_field_name));
    }
    else {
      throw new BadRequestHttpException('Empty request body.');
    }
  }

  // First decode the request data. We can then determine if the serialized
  // data was malformed.
  try {
    $decoded = $this->serializer
      ->decode($received, 'api_json');
  } catch (UnexpectedValueException $e) {

    // If an exception was thrown at this stage, there was a problem decoding
    // the data. Throw a 400 HTTP exception.
    throw new BadRequestHttpException($e
      ->getMessage());
  }
  try {
    $context = [
      'resource_type' => $resource_type,
    ];
    if ($relationship_field_name) {
      $context['related'] = $resource_type
        ->getInternalName($relationship_field_name);
    }
    return $this->serializer
      ->denormalize($decoded, $class, 'api_json', $context);
  } catch (UnexpectedValueException $e) {
    throw new UnprocessableEntityHttpException($e
      ->getMessage());
  } catch (InvalidArgumentException $e) {
    throw new UnprocessableEntityHttpException($e
      ->getMessage());
  }
}