public function RegistrationGroupViewsData::getViewsData in RNG - Events and Registrations 8

Same name and namespace in other branches

1. 8.2 src/Views/RegistrationGroupViewsData.php \Drupal\rng\Views\RegistrationGroupViewsData::getViewsData()
2. 3.x src/Views/RegistrationGroupViewsData.php \Drupal\rng\Views\RegistrationGroupViewsData::getViewsData()

Returns views data for the entity type.

Return value

array Views data in the format of hook_views_data().

Overrides EntityViewsData::getViewsData

File

src/Views/RegistrationGroupViewsData.php, line 15

Class

RegistrationGroupViewsData

Provides views data for registration group entities.

Namespace

Drupal\rng\Views

Code

public function getViewsData() {
  $data = parent::getViewsData();

  // Add base field reference for groups.
  $registration_definition = \Drupal::entityTypeManager()
    ->getDefinition('registration');
  $group_definition = \Drupal::entityTypeManager()
    ->getDefinition('registration_group');
  $t_args = [
    '@origin_label' => $group_definition
      ->getLabel(),
    '@target_label' => $registration_definition
      ->getLabel(),
  ];

  // Target ID can be NULL.
  $data['registration_group_field_data']['event__target_id']['filter']['allow empty'] = TRUE;

  // Reverse relationship (Target to Origin).
  $psuedo_field = 'rng_registration_group__registration';
  $data['registration_group_field_data'][$psuedo_field]['relationship'] = [
    'title' => t('@target_labels', $t_args),
    'label' => t('@target_labels', $t_args),
    'group' => $group_definition
      ->getLabel(),
    'help' => t('References to the @target_labels of a @origin_label.', $t_args),
    'entity_type' => $registration_definition
      ->id(),
    'id' => 'entity_reverse',
    'base' => $registration_definition
      ->getDataTable() ?: $registration_definition
      ->getBaseTable(),
    'base field' => $registration_definition
      ->getKey('id'),
    'field_name' => 'groups',
    'field table' => 'registration__groups',
    'field field' => 'groups_target_id',
    'relationship field' => $group_definition
      ->getKey('id'),
  ];
  return $data;
}