public function DataReferenceDefinitionNormalizer::normalize in Schemata 8

Same name in this branch

1. 8 schemata_json_schema/src/Normalizer/json/DataReferenceDefinitionNormalizer.php \Drupal\schemata_json_schema\Normalizer\json\DataReferenceDefinitionNormalizer::normalize()
2. 8 schemata_json_schema/src/Normalizer/hal/DataReferenceDefinitionNormalizer.php \Drupal\schemata_json_schema\Normalizer\hal\DataReferenceDefinitionNormalizer::normalize()

Overrides DataReferenceDefinitionNormalizer::normalize

File

schemata_json_schema/src/Normalizer/hal/DataReferenceDefinitionNormalizer.php, line 52

Class

DataReferenceDefinitionNormalizer

Normalizer for Entity References in HAL+JSON style.

Namespace

Drupal\schemata_json_schema\Normalizer\hal

Code

public function normalize($entity, $format = NULL, array $context = []) {

  /* @var $entity \Drupal\Core\TypedData\DataReferenceDefinitionInterface */
  if (!$this
    ->validateEntity($entity)) {
    return [];
  }

  // Collect data about the reference field.
  $parentProperty = $this
    ->extractPropertyData($context['parent'], $context);
  $property = $this
    ->extractPropertyData($entity, $context);
  $target_type = $entity
    ->getConstraint('EntityType');
  $target_bundles = isset($context['settings']['handler_settings']['target_bundles']) ? $context['settings']['handler_settings']['target_bundles'] : [];

  // Build the relation URI, which is used as the property key.
  $field_uri = $this->linkManager
    ->getRelationUri($context['entityTypeId'], isset($context['bundleId']) ? $context['bundleId'] : $context['entityTypeId'], $context['name'], $context);

  // From the root of the schema object, build out object references.
  $normalized = [
    '_links' => [
      $field_uri => [
        '$ref' => '#/definitions/linkArray',
      ],
    ],
    '_embedded' => [
      $field_uri => [
        'type' => 'array',
        'items' => [],
      ],
    ],
  ];

  // Add title and description to relation definition.
  if (isset($parentProperty['title'])) {
    $normalized['_links'][$field_uri]['title'] = $parentProperty['title'];
    $normalized['_embedded'][$field_uri]['title'] = $parentProperty['title'];
  }
  if (isset($parentProperty['description'])) {
    $normalized['_links'][$field_uri]['description'] = $parentProperty['description'];
  }

  // Add Schema resource references.
  $item =& $normalized['_embedded'][$field_uri]['items'];
  if (empty($target_bundles)) {
    $generated_url = SchemaUrl::fromOptions($this->format, $this->describedFormat, $target_type)
      ->toString(TRUE);
    $item['$ref'] = $generated_url
      ->getGeneratedUrl();
  }
  elseif (count($target_bundles) == 1) {
    $generated_url = SchemaUrl::fromOptions($this->format, $this->describedFormat, $target_type, reset($target_bundles))
      ->toString(TRUE);
    $item['$ref'] = $generated_url
      ->getGeneratedUrl();
  }
  elseif (count($target_bundles) > 1) {
    $refs = [];
    foreach ($target_bundles as $bundle) {
      $generated_url = SchemaUrl::fromOptions($this->format, $this->describedFormat, $target_type, $bundle)
        ->toString(TRUE);
      $refs[] = [
        '$ref' => $generated_url
          ->getGeneratedUrl(),
      ];
    }
    $item['anyOf'] = $refs;
  }
  return [
    'properties' => $normalized,
  ];
}