public function RelationshipFieldDefinitionNormalizer::normalize in Schemata 8

Overrides ListDataDefinitionNormalizer::normalize

File

schemata_json_schema/src/Normalizer/jsonapi/RelationshipFieldDefinitionNormalizer.php, line 60

Class

RelationshipFieldDefinitionNormalizer

Normalizer for RelationshipFieldDefinitionNormalizer objects.

Namespace

Drupal\schemata_json_schema\Normalizer\jsonapi

Code

public function normalize($entity, $format = NULL, array $context = []) {
  $cardinality = $entity
    ->getFieldStorageDefinition()
    ->getCardinality();
  $context['cardinality'] = $cardinality;

  /* @var $entity \Drupal\Core\Field\FieldDefinitionInterface */
  $normalized = [
    'properties' => [
      'relationships' => [
        'description' => t('Entity relationships'),
        'properties' => [
          $context['name'] => $this
            ->normalizeRelationship($entity),
        ],
        'type' => 'object',
      ],
    ],
  ];

  // Specify non-contextual default value as an example.
  $default_value = $entity
    ->getDefaultValueLiteral();
  if (!empty($default_value)) {
    $normalized['properties']['relationships']['properties'][$context['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) {
    $normalized['properties']['relationships']['properties'][$context['name']]['maxItems'] = $cardinality;
  }
  return $normalized;
}