Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\field_ui;
Chris@0: 
Chris@0: use Drupal\Component\Utility\UrlHelper;
Chris@0: use Drupal\Core\Entity\EntityTypeInterface;
Chris@0: use Drupal\Core\Url;
Chris@0: 
Chris@0: /**
Chris@0:  * Static service container wrapper for Field UI.
Chris@0:  */
Chris@0: class FieldUI {
Chris@0: 
Chris@0:   /**
Chris@0:    * Returns the route info for the field overview of a given entity bundle.
Chris@0:    *
Chris@0:    * @param string $entity_type_id
Chris@0:    *   An entity type.
Chris@0:    * @param string $bundle
Chris@0:    *   The entity bundle.
Chris@0:    *
Chris@0:    * @return \Drupal\Core\Url
Chris@0:    *   A URL object.
Chris@0:    */
Chris@0:   public static function getOverviewRouteInfo($entity_type_id, $bundle) {
Chris@0:     $entity_type = \Drupal::entityManager()->getDefinition($entity_type_id);
Chris@0:     if ($entity_type->get('field_ui_base_route')) {
Chris@0:       return new Url("entity.{$entity_type_id}.field_ui_fields", static::getRouteBundleParameter($entity_type, $bundle));
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Returns the next redirect path in a multipage sequence.
Chris@0:    *
Chris@0:    * @param array $destinations
Chris@0:    *   An array of destinations to redirect to.
Chris@0:    *
Chris@0:    * @return \Drupal\Core\Url|null
Chris@0:    *   The next destination to redirect to.
Chris@0:    */
Chris@0:   public static function getNextDestination(array $destinations) {
Chris@0:     // If there are no valid destinations left, return here.
Chris@0:     if (empty($destinations)) {
Chris@0:       return NULL;
Chris@0:     }
Chris@0: 
Chris@0:     $next_destination = array_shift($destinations);
Chris@0:     if (is_array($next_destination)) {
Chris@0:       $next_destination['options']['query']['destinations'] = $destinations;
Chris@0:       $next_destination += [
Chris@0:         'route_parameters' => [],
Chris@0:       ];
Chris@0:       $next_destination = Url::fromRoute($next_destination['route_name'], $next_destination['route_parameters'], $next_destination['options']);
Chris@0:     }
Chris@0:     else {
Chris@0:       $options = UrlHelper::parse($next_destination);
Chris@0:       if ($destinations) {
Chris@0:         $options['query']['destinations'] = $destinations;
Chris@0:       }
Chris@0:       // Redirect to any given path within the same domain.
Chris@0:       // @todo Revisit this in https://www.drupal.org/node/2418219.
Chris@0:       $next_destination = Url::fromUserInput('/' . $options['path'], $options);
Chris@0:     }
Chris@0:     return $next_destination;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Gets the route parameter that should be used for Field UI routes.
Chris@0:    *
Chris@0:    * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
Chris@0:    *   The actual entity type, not the bundle (e.g. the content entity type).
Chris@0:    * @param string $bundle
Chris@0:    *   The bundle name.
Chris@0:    *
Chris@0:    * @return array
Chris@0:    *   An array that can be used a route parameter.
Chris@0:    */
Chris@0:   public static function getRouteBundleParameter(EntityTypeInterface $entity_type, $bundle) {
Chris@0:     $bundle_parameter_key = $entity_type->getBundleEntityType() ?: 'bundle';
Chris@0:     return [$bundle_parameter_key => $bundle];
Chris@0:   }
Chris@0: 
Chris@0: }