class EntityReferenceFieldItemNormalizer

Same name in other branches
  1. 9 core/modules/serialization/src/Normalizer/EntityReferenceFieldItemNormalizer.php \Drupal\serialization\Normalizer\EntityReferenceFieldItemNormalizer
  2. 8.9.x core/modules/serialization/src/Normalizer/EntityReferenceFieldItemNormalizer.php \Drupal\serialization\Normalizer\EntityReferenceFieldItemNormalizer
  3. 10 core/modules/serialization/src/Normalizer/EntityReferenceFieldItemNormalizer.php \Drupal\serialization\Normalizer\EntityReferenceFieldItemNormalizer

Adds the file URI to embedded file entities.

Hierarchy

Expanded class hierarchy of EntityReferenceFieldItemNormalizer

1 file declares its use of EntityReferenceFieldItemNormalizer
EntityReferenceFieldItemNormalizerTest.php in core/modules/serialization/tests/src/Unit/Normalizer/EntityReferenceFieldItemNormalizerTest.php
1 string reference to 'EntityReferenceFieldItemNormalizer'
serialization.services.yml in core/modules/serialization/serialization.services.yml
core/modules/serialization/serialization.services.yml
1 service uses EntityReferenceFieldItemNormalizer
serializer.normalizer.entity_reference_field_item in core/modules/serialization/serialization.services.yml
Drupal\serialization\Normalizer\EntityReferenceFieldItemNormalizer

File

core/modules/serialization/src/Normalizer/EntityReferenceFieldItemNormalizer.php, line 14

Namespace

Drupal\serialization\Normalizer
View source
class EntityReferenceFieldItemNormalizer extends FieldItemNormalizer {
    use EntityReferenceFieldItemNormalizerTrait;
    
    /**
     * The entity repository.
     *
     * @var \Drupal\Core\Entity\EntityRepositoryInterface
     */
    protected $entityRepository;
    
    /**
     * Constructs an EntityReferenceFieldItemNormalizer object.
     *
     * @param \Drupal\Core\Entity\EntityRepositoryInterface $entity_repository
     *   The entity repository.
     */
    public function __construct(EntityRepositoryInterface $entity_repository) {
        $this->entityRepository = $entity_repository;
    }
    
    /**
     * {@inheritdoc}
     */
    public function normalize($field_item, $format = NULL, array $context = []) : array|string|int|float|bool|\ArrayObject|null {
        $values = parent::normalize($field_item, $format, $context);
        $this->normalizeRootReferenceValue($values, $field_item);
        
        /** @var \Drupal\Core\Entity\EntityInterface $entity */
        if ($entity = $field_item->get('entity')
            ->getValue()) {
            $values['target_type'] = $entity->getEntityTypeId();
            // Add the target entity UUID to the normalized output values.
            $values['target_uuid'] = $entity->uuid();
            // Add a 'url' value if there is a reference and a canonical URL. Hard
            // code 'canonical' here as config entities override the default $rel
            // parameter value to 'edit-form.
            if ($entity->hasLinkTemplate('canonical') && !$entity->isNew() && ($url = $entity->toUrl('canonical')
                ->toString(TRUE))) {
                $this->addCacheableDependency($context, $url);
                $values['url'] = $url->getGeneratedUrl();
            }
            elseif ($entity instanceof FileInterface) {
                $values['url'] = $entity->createFileUrl(FALSE);
            }
        }
        return $values;
    }
    
    /**
     * {@inheritdoc}
     */
    protected function constructValue($data, $context) {
        if (isset($data['target_uuid'])) {
            
            /** @var \Drupal\Core\Field\Plugin\Field\FieldType\EntityReferenceItem $field_item */
            $field_item = $context['target_instance'];
            if (empty($data['target_uuid'])) {
                throw new InvalidArgumentException(sprintf('If provided "target_uuid" cannot be empty for field "%s".', $field_item->getName()));
            }
            $target_type = $field_item->getFieldDefinition()
                ->getSetting('target_type');
            if (!empty($data['target_type']) && $target_type !== $data['target_type']) {
                throw new UnexpectedValueException(sprintf('The field "%s" property "target_type" must be set to "%s" or omitted.', $field_item->getFieldDefinition()
                    ->getName(), $target_type));
            }
            if ($entity = $this->entityRepository
                ->loadEntityByUuid($target_type, $data['target_uuid'])) {
                return [
                    'target_id' => $entity->id(),
                ] + array_intersect_key($data, $field_item->getProperties());
            }
            else {
                // Unable to load entity by uuid.
                throw new InvalidArgumentException(sprintf('No "%s" entity found with UUID "%s" for field "%s".', $data['target_type'], $data['target_uuid'], $field_item->getName()));
            }
        }
        return parent::constructValue($data, $context);
    }
    
    /**
     * {@inheritdoc}
     */
    public function getSupportedTypes(?string $format) : array {
        return [
            EntityReferenceItem::class => TRUE,
        ];
    }

}

Members

Title Sort descending Modifiers Object type Summary Overriden Title Overrides
CacheableNormalizerInterface::SERIALIZATION_CONTEXT_CACHEABILITY constant Name of key for bubbling cacheability metadata via serialization context.
EntityReferenceFieldItemNormalizer::$entityRepository protected property The entity repository.
EntityReferenceFieldItemNormalizer::constructValue protected function Build the field item value using the incoming data. Overrides FieldableEntityNormalizerTrait::constructValue
EntityReferenceFieldItemNormalizer::getSupportedTypes public function Overrides FieldItemNormalizer::getSupportedTypes
EntityReferenceFieldItemNormalizer::normalize public function Overrides ComplexDataNormalizer::normalize
EntityReferenceFieldItemNormalizer::__construct public function Constructs an EntityReferenceFieldItemNormalizer object.
EntityReferenceFieldItemNormalizerTrait::fieldItemReferencesTaxonomyTerm protected function Determines if a field item references a taxonomy term.
EntityReferenceFieldItemNormalizerTrait::normalizeRootReferenceValue protected function
FieldableEntityNormalizerTrait::$entityFieldManager protected property The entity field manager.
FieldableEntityNormalizerTrait::$entityTypeManager protected property The entity type manager.
FieldableEntityNormalizerTrait::$entityTypeRepository protected property The entity type repository.
FieldableEntityNormalizerTrait::denormalizeFieldData protected function Denormalizes entity data by denormalizing each field individually.
FieldableEntityNormalizerTrait::determineEntityTypeId protected function Determines the entity type ID to denormalize as.
FieldableEntityNormalizerTrait::extractBundleData protected function Denormalizes the bundle property so entity creation can use it.
FieldableEntityNormalizerTrait::getEntityFieldManager protected function Returns the entity field manager.
FieldableEntityNormalizerTrait::getEntityTypeDefinition protected function Gets the entity type definition.
FieldableEntityNormalizerTrait::getEntityTypeManager protected function Returns the entity type manager.
FieldableEntityNormalizerTrait::getEntityTypeRepository protected function Returns the entity type repository.
FieldItemNormalizer::denormalize public function
NormalizerBase::$format protected property List of formats which supports (de-)normalization. 1
NormalizerBase::addCacheableDependency protected function Adds cacheability if applicable.
NormalizerBase::checkFormat protected function Checks if the provided format is supported by this normalizer. 1
NormalizerBase::supportsDenormalization public function Implements \Symfony\Component\Serializer\Normalizer\DenormalizerInterface::supportsDenormalization() 1
NormalizerBase::supportsNormalization public function 1
SerializedColumnNormalizerTrait::checkForSerializedStrings protected function Checks if there is a serialized string for a column.
SerializedColumnNormalizerTrait::dataHasStringForSerializeColumn protected function Checks if the data contains string value for serialize column.
SerializedColumnNormalizerTrait::getCustomSerializedPropertyNames protected function Gets the names of all properties the plugin treats as serialized data.
SerializedColumnNormalizerTrait::getSerializedPropertyNames protected function Gets the names of all serialized properties.

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.