function EntityUuidConverter::convert

Overrides EntityConverter::convert

File

core/modules/jsonapi/src/ParamConverter/EntityUuidConverter.php, line 49

Class

EntityUuidConverter

Parameter converter for upcasting entity UUIDs to full objects.

Namespace

Code

public function convert($value, $definition, $name, array $defaults) {
    $entity_type_id = $this->getEntityTypeFromDefaults($definition, $name, $defaults);
    // @see https://www.drupal.org/project/drupal/issues/2624770
    $entity_type_manager = isset($this->entityTypeManager) ? $this->entityTypeManager : $this->entityManager;
    $uuid_key = $entity_type_manager->getDefinition($entity_type_id)
        ->getKey('uuid');
    if ($storage = $entity_type_manager->getStorage($entity_type_id)) {
        if (!($entities = $storage->loadByProperties([
            $uuid_key => $value,
        ]))) {
            return NULL;
        }
        $entity = reset($entities);
        // If the entity type is translatable, ensure we return the proper
        // translation object for the current context.
        if ($entity instanceof TranslatableInterface && $entity->isTranslatable()) {
            // @see https://www.drupal.org/project/drupal/issues/2624770
            $entity_repository = isset($this->entityRepository) ? $this->entityRepository : $this->entityManager;
            $entity = $entity_repository->getTranslationFromContext($entity, NULL, [
                'operation' => 'entity_upcast',
            ]);
            // JSON:API always has only one method per route.
            $method = $defaults[RouteObjectInterface::ROUTE_OBJECT]->getMethods()[0];
            if (in_array($method, [
                'PATCH',
                'DELETE',
            ], TRUE)) {
                $current_content_language = $this->languageManager
                    ->getCurrentLanguage(LanguageInterface::TYPE_CONTENT)
                    ->getId();
                if ($method === 'DELETE' && (!$entity->isDefaultTranslation() || $entity->language()
                    ->getId() !== $current_content_language)) {
                    throw new MethodNotAllowedHttpException([
                        'GET',
                    ], 'Deleting a resource object translation is not yet supported. See https://www.drupal.org/docs/8/modules/jsonapi/translations.');
                }
                if ($method === 'PATCH' && $entity->language()
                    ->getId() !== $current_content_language) {
                    $available_translations = implode(', ', array_keys($entity->getTranslationLanguages()));
                    throw new MethodNotAllowedHttpException([
                        'GET',
                    ], sprintf('The requested translation of the resource object does not exist, instead modify one of the translations that do exist: %s.', $available_translations));
                }
            }
        }
        return $entity;
    }
    return NULL;
}