public function EntityResource::createIndividual in Drupal 8

Same name and namespace in other branches

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

Creates an individual entity.

Parameters

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

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

Return value

\Drupal\jsonapi\ResourceResponse The response.

Throws

\Symfony\Component\HttpKernel\Exception\ConflictHttpException Thrown when the entity already exists.

\Drupal\jsonapi\Exception\UnprocessableHttpEntityException Thrown when the entity does not pass validation.

File

core/modules/jsonapi/src/Controller/EntityResource.php, line 232

Class

EntityResource

Process all entity requests.

Namespace

Drupal\jsonapi\Controller

Code

public function createIndividual(ResourceType $resource_type, Request $request) {
  $parsed_entity = $this
    ->deserialize($resource_type, $request, JsonApiDocumentTopLevel::class);
  if ($parsed_entity instanceof FieldableEntityInterface) {

    // Only check 'edit' permissions for fields that were actually submitted
    // by the user. Field access makes no distinction between 'create' and
    // 'update', so the 'edit' operation is used here.
    $document = Json::decode($request
      ->getContent());
    $field_mapping = array_map(function (ResourceTypeField $field) {
      return $field
        ->getPublicName();
    }, $resource_type
      ->getFields());

    // User resource objects contain a read-only attribute that is not a
    // real field on the user entity type.
    // @see \Drupal\jsonapi\JsonApiResource\ResourceObject::extractContentEntityFields()
    // @todo: eliminate this special casing in https://www.drupal.org/project/drupal/issues/3079254.
    if ($resource_type
      ->getEntityTypeId() === 'user') {
      $field_mapping = array_diff($field_mapping, [
        $resource_type
          ->getPublicName('display_name'),
      ]);
    }
    foreach ([
      'attributes',
      'relationships',
    ] as $data_member_name) {
      if (isset($document['data'][$data_member_name])) {
        foreach (array_intersect_key(array_flip($field_mapping), $document['data'][$data_member_name]) as $internal_field_name) {
          $field_access = $parsed_entity
            ->get($internal_field_name)
            ->access('edit', NULL, TRUE);
          if (!$field_access
            ->isAllowed()) {
            $public_field_name = $field_mapping[$internal_field_name];
            throw new EntityAccessDeniedHttpException(NULL, $field_access, "/data/{$data_member_name}/{$public_field_name}", sprintf('The current user is not allowed to POST the selected field (%s).', $public_field_name));
          }
        }
      }
    }
  }
  static::validate($parsed_entity);

  // Return a 409 Conflict response in accordance with the JSON:API spec. See
  // http://jsonapi.org/format/#crud-creating-responses-409.
  if ($this
    ->entityExists($parsed_entity)) {
    throw new ConflictHttpException('Conflict: Entity already exists.');
  }
  $parsed_entity
    ->save();

  // Build response object.
  $resource_object = ResourceObject::createFromEntity($resource_type, $parsed_entity);
  $primary_data = new ResourceObjectData([
    $resource_object,
  ], 1);
  $response = $this
    ->buildWrappedResponse($primary_data, $request, $this
    ->getIncludes($request, $primary_data), 201);

  // According to JSON:API specification, when a new entity was created
  // we should send "Location" header to the frontend.
  if ($resource_type
    ->isLocatable()) {
    $url = $resource_object
      ->toUrl()
      ->setAbsolute()
      ->toString(TRUE);
    $response
      ->addCacheableDependency($url);
    $response->headers
      ->set('Location', $url
      ->getGeneratedUrl());
  }

  // Return response object with updated headers info.
  return $response;
}