function FieldNormalizer::normalize

File

core/modules/hal/src/Normalizer/FieldNormalizer.php, line 21

Class

FieldNormalizer

Converts the Drupal field structure to HAL array structure.

Namespace

Code

public function normalize($field_items, $format = NULL, array $context = []) {
  $normalized_field_items = [];
  // Get the field definition.
  $entity = $field_items->getEntity();
  $field_name = $field_items->getName();
  $field_definition = $field_items->getFieldDefinition();
  // If this field is not translatable, it can simply be normalized without
  // separating it into different translations.
  if (!$field_definition->isTranslatable()) {
    $normalized_field_items = $this->normalizeFieldItems($field_items, $format, $context);
  }
  else {
    foreach ($entity->getTranslationLanguages() as $language) {
      $context['langcode'] = $language->getId();
      $translation = $entity->getTranslation($language->getId());
      $translated_field_items = $translation->get($field_name);
      $normalized_field_items = array_merge($normalized_field_items, $this->normalizeFieldItems($translated_field_items, $format, $context));
    }
  }
  // Merge deep so that links set in entity reference normalizers are merged
  // into the links property.
  return NestedArray::mergeDeepArray($normalized_field_items);
}