function MetaEventSubscriber::addResourceObjectMeta

Parameters

\Drupal\jsonapi\Events\CollectResourceObjectMetaEvent $event: Event to be processed.

File

core/modules/jsonapi/tests/modules/jsonapi_test_meta_events/src/EventSubscriber/MetaEventSubscriber.php, line 33

Class

MetaEventSubscriber

Event subscriber which tests adding metadata to ResourceObjects and relationships.

Namespace

Code

public function addResourceObjectMeta(CollectResourceObjectMetaEvent $event) : void {
  $config = \Drupal::state()->get('jsonapi_test_meta_events.object_meta', [
    'enabled_type' => FALSE,
    'enabled_id' => FALSE,
    'fields' => FALSE,
    'user_is_admin_context' => FALSE,
  ]);
  // Only continue if the recourse type is enabled.
  if ($config['enabled_type'] === FALSE || $config['enabled_type'] !== $event->getResourceObject()
    ->getTypeName()) {
    return;
  }
  // Only apply on the referenced ID of the resource.
  if ($config['enabled_id'] !== FALSE && $config['enabled_id'] !== $event->getResourceObject()
    ->getId()) {
    return;
  }
  if ($config['fields'] === FALSE) {
    return;
  }
  if ($config['user_is_admin_context']) {
    $event->addCacheContexts([
      'user.roles',
    ]);
    $event->setMetaValue('resource_meta_user_has_admin_role', $this->currentUserHasAdminRole());
    $event->setMetaValue('resource_meta_user_id', \Drupal::currentUser()->id());
  }
  // Add the metadata for each field. The field configuration must be an array
  // of field values keyed by the field name.
  foreach ($config['fields'] as $field_name) {
    $event->setMetaValue('resource_meta_' . $field_name, $event->getResourceObject()
      ->getField($field_name)->value);
  }
  $event->addCacheTags([
    'jsonapi_test_meta_events.object_meta',
  ]);
}