class GeneralFieldSerializer in Acquia Content Hub 8.2

Subscribes to entity field serialization to handle basic field values.

Hierarchy

• class \Drupal\acquia_contenthub\EventSubscriber\SerializeContentField\GeneralFieldSerializer implements \Symfony\Component\EventDispatcher\EventSubscriberInterface uses ContentFieldMetadataTrait

1 string reference to 'GeneralFieldSerializer'

acquia_contenthub.services.yml in ./acquia_contenthub.services.yml

acquia_contenthub.services.yml

1 service uses GeneralFieldSerializer

general.field.cdf.serializer in ./acquia_contenthub.services.yml

Drupal\acquia_contenthub\EventSubscriber\SerializeContentField\GeneralFieldSerializer

File

src/EventSubscriber/SerializeContentField/GeneralFieldSerializer.php, line 13

Namespace

Drupal\acquia_contenthub\EventSubscriber\SerializeContentField

class GeneralFieldSerializer implements EventSubscriberInterface {
  use ContentFieldMetadataTrait;

  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() {
    $events[AcquiaContentHubEvents::SERIALIZE_CONTENT_ENTITY_FIELD][] = [
      'onSerializeContentField',
      10,
    ];
    return $events;
  }

  /**
   * Directly reference the field's value property.
   *
   * @param \Drupal\acquia_contenthub\Event\SerializeCdfEntityFieldEvent $event
   *   The content entity field serialization event.
   */
  public function onSerializeContentField(SerializeCdfEntityFieldEvent $event) {
    $acceptable_types = [
      'integer',
      'boolean',
      'string',
    ];
    if (in_array($event
      ->getField()
      ->getFieldDefinition()
      ->getType(), $acceptable_types)) {
      $this
        ->setFieldMetaData($event);
      $data = [];

      /** @var \Drupal\Core\Entity\TranslatableInterface $entity */
      $entity = $event
        ->getEntity();
      foreach ($entity
        ->getTranslationLanguages() as $langcode => $language) {
        $field = $event
          ->getFieldTranslation($langcode);

        // Set the translation value to represent null field data.
        if (empty(count($field))) {
          $data['value'][$langcode] = [];
          continue;
        }
        foreach ($field as $item) {
          if ($field
            ->getFieldDefinition()
            ->getFieldStorageDefinition()
            ->getCardinality() == FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED) {
            $data['value'][$langcode][] = $item
              ->getValue()['value'];
          }
          else {
            $data['value'][$langcode] = $item
              ->getValue()['value'];
          }
        }
      }
      $event
        ->setFieldData($data);
      $event
        ->stopPropagation();
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ContentFieldMetadataTrait::setFieldMetaData	protected	function	Sets field metadata.
GeneralFieldSerializer::getSubscribedEvents	public static	function	Returns an array of event names this subscriber wants to listen to.
GeneralFieldSerializer::onSerializeContentField	public	function	Directly reference the field's value property.