public function ContentEntitySource::extractTranslatableData

Extracts translatable data from an entity.

Parameters

\Drupal\Core\Entity\ContentEntityInterface $entity: The entity to get the translatable data from.

Return value

array $data Translatable data.

File

sources/content/src/Plugin/tmgmt/Source/ContentEntitySource.php, line 228

Class

ContentEntitySource

Content entity source plugin controller.

Namespace

Code

public function extractTranslatableData(ContentEntityInterface $entity) {
  $field_definitions = $entity
    ->getFieldDefinitions();
  $exclude_field_types = [
    'language',
    'metatag_computed',
  ];
  $exclude_field_names = [
    'moderation_state',
  ];

  /** @var \Drupal\content_translation\ContentTranslationManagerInterface $content_translation_manager */
  $content_translation_manager = \Drupal::service('content_translation.manager');
  $is_bundle_translatable = $content_translation_manager
    ->isEnabled($entity
    ->getEntityTypeId(), $entity
    ->bundle());

  // Exclude field types from translation.
  $translatable_fields = array_filter($field_definitions, function (FieldDefinitionInterface $field_definition) use ($exclude_field_types, $exclude_field_names, $is_bundle_translatable) {
    if ($is_bundle_translatable) {

      // Field is not translatable.
      if (!$field_definition
        ->isTranslatable()) {
        return FALSE;
      }
    }
    elseif (!$field_definition
      ->getFieldStorageDefinition()
      ->isTranslatable()) {
      return FALSE;
    }

    // Field type matches field types to exclude.
    if (in_array($field_definition
      ->getType(), $exclude_field_types)) {
      return FALSE;
    }

    // Field name matches field names to exclude.
    if (in_array($field_definition
      ->getName(), $exclude_field_names)) {
      return FALSE;
    }

    // User marked the field to be excluded.
    if ($field_definition instanceof ThirdPartySettingsInterface) {
      $is_excluded = $field_definition
        ->getThirdPartySetting('tmgmt_content', 'excluded', FALSE);
      if ($is_excluded) {
        return FALSE;
      }
    }
    return TRUE;
  });
  \Drupal::moduleHandler()
    ->alter('tmgmt_translatable_fields', $entity, $translatable_fields);
  $data = array();
  foreach ($translatable_fields as $field_name => $field_definition) {
    $field = $entity
      ->get($field_name);
    $data[$field_name] = $this
      ->getFieldProcessor($field_definition
      ->getType())
      ->extractTranslatableData($field);
  }
  $embeddable_fields = static::getEmbeddableFields($entity);
  foreach ($embeddable_fields as $field_name => $field_definition) {
    $field = $entity
      ->get($field_name);

    /* @var \Drupal\Core\Field\FieldItemInterface $field_item */
    foreach ($field as $delta => $field_item) {
      foreach ($field_item
        ->getProperties(TRUE) as $property_key => $property) {

        // If the property is a content entity reference and it's value is
        // defined, than we call this method again to get all the data.
        if ($property instanceof EntityReference && $property
          ->getValue() instanceof ContentEntityInterface) {

          // All the labels are here, to make sure we don't have empty
          // labels in the UI because of no data.
          $data[$field_name]['#label'] = $field_definition
            ->getLabel();
          if (count($field) > 1) {

            // More than one item, add a label for the delta.
            $data[$field_name][$delta]['#label'] = t('Delta #@delta', array(
              '@delta' => $delta,
            ));
          }

          // Get the referenced entity.
          $referenced_entity = $property
            ->getValue();

          // Get the source language code.
          $langcode = $entity
            ->language()
            ->getId();

          // If the referenced entity is translatable and has a translation
          // use it instead of the default entity translation.
          if ($content_translation_manager
            ->isEnabled($referenced_entity
            ->getEntityTypeId(), $referenced_entity
            ->bundle()) && $referenced_entity
            ->hasTranslation($langcode)) {
            $referenced_entity = $referenced_entity
              ->getTranslation($langcode);
          }
          $data[$field_name][$delta][$property_key] = $this
            ->extractTranslatableData($referenced_entity);

          // Use the ID of the entity to identify it later, do not rely on the
          // UUID as content entities are not required to have one.
          $data[$field_name][$delta][$property_key]['#id'] = $property
            ->getValue()
            ->id();
        }
      }
    }
  }
  return $data;
}