/** * {@inheritdoc} */ public function build(FacetInterface $facet, array $results) { $field_identifier = $facet->getFieldIdentifier(); $entity = 'node'; // Support multiple entities when using Search API. if ($facet->getFacetSource() instanceof SearchApiFacetSourceInterface) { $index = $facet->getFacetSource()->getIndex(); $field = $index->getField($field_identifier); $entity = str_replace('entity:', '', $field->getDatasourceId()); } // If it's an entity base field, we find it in the field definitions. // We don't have access to the bundle via SearchApiFacetSourceInterface, so // we check the entity's base fields only. $base_fields = $this->entityFieldManager->getFieldDefinitions($entity, ''); // This only works for configurable fields. $config_entity_name = sprintf('field.storage.%s.%s', $entity, $field_identifier); if (isset($base_fields[$field_identifier])) { $field = $base_fields[$field_identifier]; } elseif ($this->configManager->loadConfigEntityByName($config_entity_name) !== NULL) { $field = $this->configManager->loadConfigEntityByName($config_entity_name); } if ($field) { $function = $field->getSetting('allowed_values_function'); if (empty($function)) { $allowed_values = $field->getSetting('allowed_values'); } else { $allowed_values = ${$function}($field); } if (is_array($allowed_values)) { /** @var \Drupal\facets\Result\ResultInterface $result */ foreach ($results as &$result) { if (isset($allowed_values[$result->getRawValue()])) { $result->setDisplayValue($allowed_values[$result->getRawValue()]); } } } } return $results; }