public function FieldNormalizer::normalize in Drupal 9

Same name in this branch

1. 9 core/modules/jsonapi/src/Normalizer/FieldNormalizer.php \Drupal\jsonapi\Normalizer\FieldNormalizer::normalize()
2. 9 core/modules/hal/src/Normalizer/FieldNormalizer.php \Drupal\hal\Normalizer\FieldNormalizer::normalize()

Same name and namespace in other branches

1. 8 core/modules/hal/src/Normalizer/FieldNormalizer.php \Drupal\hal\Normalizer\FieldNormalizer::normalize()

Overrides ListNormalizer::normalize

File

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

Class

FieldNormalizer

Converts the Drupal field structure to HAL array structure.

Namespace

Drupal\hal\Normalizer

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);
}