public static function SchemaMetatagManager::getRenderedJsonld in Schema.org Metatag 8

Same name and namespace in other branches

1. 8.2 src/SchemaMetatagManager.php \Drupal\schema_metatag\SchemaMetatagManager::getRenderedJsonld()

Render JSON LD for a specific entity.

Useful to pass to a decoupled front end, for instance.

Parameters

string $entity: The entity that contains JSONLD.

string $entity_type: The type of entity.

Return value

string The JSONLD markup.

Overrides SchemaMetatagManagerInterface::getRenderedJsonld

File

src/SchemaMetatagManager.php, line 76

Class

SchemaMetatagManager

Class SchemaMetatagManager.

Namespace

Drupal\schema_metatag

Code

public static function getRenderedJsonld($entity = NULL, $entity_type = NULL) {

  // If nothing was passed in, assume the current entity.
  // @see schema_metatag_entity_load() to understand why this works.
  if (empty($entity)) {
    $entity = metatag_get_route_entity();
  }

  // Get all the metatags for this entity.
  $metatag_manager = \Drupal::service('metatag.manager');
  if (!empty($entity) && $entity instanceof ContentEntityInterface) {
    foreach ($metatag_manager
      ->tagsFromEntity($entity) as $tag => $data) {
      $metatags[$tag] = $data;
    }
  }

  // Trigger hook_metatags_alter().
  // Allow modules to override tags or the entity used for token replacements.
  $context = [
    'entity' => $entity,
  ];
  \Drupal::service('module_handler')
    ->alter('metatags', $metatags, $context);
  $elements = $metatag_manager
    ->generateElements($metatags, $entity);

  // Parse the Schema.org metatags out of the array.
  if ($items = self::parseJsonld($elements)) {

    // Encode the Schema.org metatags as JSON LD.
    if ($jsonld = self::encodeJsonld($items)) {

      // Pass back the rendered result.
      return \Drupal::service('renderer')
        ->render(self::renderArrayJsonLd($jsonld));
    }
  }
}