public function FieldDefinitionNormalizer::normalize in JSON:API Schema 8

Overrides ListDataDefinitionNormalizer::normalize

File

src/Normalizer/FieldDefinitionNormalizer.php, line 28

Class

FieldDefinitionNormalizer

Normalizer for FieldDefinitionInterface objects.

Namespace

Drupal\jsonapi_schema\Normalizer

Code

public function normalize($field_definition, $format = NULL, array $context = []) {
  assert($field_definition instanceof FieldDefinitionInterface);
  $cardinality = $field_definition
    ->getFieldStorageDefinition()
    ->getCardinality();
  $context['cardinality'] = $cardinality;
  $normalized = parent::normalize($field_definition, $format, $context);

  // Specify non-contextual default value as an example.
  $default_value = $field_definition
    ->getDefaultValueLiteral();
  $field_name = $context['name'];
  if (!empty($default_value)) {
    $field_type = $field_definition
      ->getType();
    $default_value = $cardinality == 1 ? reset($default_value) : $default_value;
    $default_value = count($default_value) == 1 ? reset($default_value) : $default_value;
    $default_value = $field_type == "boolean" ? boolval($default_value) : $default_value;
    NestedArray::setValue($normalized, [
      'properties',
      $field_name,
      'default',
    ], $default_value);
  }

  // The cardinality is the configured maximum number of values the field can
  // contain. If unlimited, we do not include a maxItems attribute.
  if ($cardinality != FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED && $cardinality != 1) {
    NestedArray::setValue($normalized, [
      'properties',
      $field_name,
      'maxItems',
    ], $cardinality);
  }
  return $normalized;
}