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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Drupal\display_builder_entity_view\Routing; |
| 6 | |
| 7 | use Drupal\Component\Utility\NestedArray; |
| 8 | use Drupal\Core\Entity\EntityTypeInterface; |
| 9 | use Drupal\Core\Entity\EntityTypeManagerInterface; |
| 10 | use Drupal\Core\Entity\FieldableEntityInterface; |
| 11 | use Drupal\Core\Extension\ModuleHandlerInterface; |
| 12 | use Drupal\Core\Routing\RouteBuildEvent; |
| 13 | use Drupal\Core\Routing\RoutingEvents; |
| 14 | use Drupal\display_builder_entity_view\Controller\EntityViewController; |
| 15 | use Symfony\Component\DependencyInjection\ContainerInterface; |
| 16 | use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
| 17 | use Symfony\Component\Routing\Route; |
| 18 | use Symfony\Component\Routing\RouteCollection; |
| 19 | |
| 20 | /** |
| 21 | * Provides routes for the Display Builder UI. |
| 22 | * |
| 23 | * @internal |
| 24 | * Tagged services are internal. |
| 25 | */ |
| 26 | final class DisplayBuilderRoutes implements EventSubscriberInterface { |
| 27 | |
| 28 | /** |
| 29 | * {@inheritdoc} |
| 30 | */ |
| 31 | public function __construct( |
| 32 | private EntityTypeManagerInterface $entityTypeManager, |
| 33 | private ModuleHandlerInterface $module_handler, |
| 34 | ) {} |
| 35 | |
| 36 | /** |
| 37 | * {@inheritdoc} |
| 38 | */ |
| 39 | public static function create(ContainerInterface $container): static { |
| 40 | return new self( |
| 41 | $container->get('entity_type.manager'), |
| 42 | $container->get('module_handler'), |
| 43 | ); |
| 44 | } |
| 45 | |
| 46 | /** |
| 47 | * {@inheritdoc} |
| 48 | */ |
| 49 | public static function getSubscribedEvents(): array { |
| 50 | $events = []; |
| 51 | // Run after \Drupal\field_ui\Routing\RouteSubscriber. |
| 52 | $events[RoutingEvents::ALTER] = ['onAlterRoutes', -110]; |
| 53 | |
| 54 | return $events; |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * Alters existing routes for a specific collection. |
| 59 | * |
| 60 | * @param \Drupal\Core\Routing\RouteBuildEvent $event |
| 61 | * The route build event. |
| 62 | */ |
| 63 | public function onAlterRoutes(RouteBuildEvent $event): void { |
| 64 | $collection = $event->getRouteCollection(); |
| 65 | $this->buildRoutes($collection); |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * Build Display Builder routes for each existing entity view display. |
| 70 | * |
| 71 | * @param \Symfony\Component\Routing\RouteCollection $collection |
| 72 | * The route collection to add the routes to. |
| 73 | */ |
| 74 | private function buildRoutes(RouteCollection $collection): void { |
| 75 | if (!$this->module_handler->moduleExists('field_ui')) { |
| 76 | return; |
| 77 | } |
| 78 | |
| 79 | foreach ($this->getEntityTypes() as $entity_type_id => $entity_type) { |
| 80 | // Try to get the route from the current collection. |
| 81 | if (!$entity_route = $collection->get($entity_type->get('field_ui_base_route'))) { |
| 82 | continue; |
| 83 | } |
| 84 | $route_name = 'display_builder_entity_view.' . $entity_type_id; |
| 85 | $route = $this->buildDisplayBuilderRoute($entity_type, $entity_route); |
| 86 | $collection->add($route_name, $route); |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * Build a Display Builder route from an existing Entity View Display route. |
| 92 | * |
| 93 | * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type |
| 94 | * The entity type for which to build the route. |
| 95 | * @param \Symfony\Component\Routing\Route $entity_route |
| 96 | * The existing entity view display route. |
| 97 | * |
| 98 | * @return \Symfony\Component\Routing\Route |
| 99 | * The new route for the Display Builder. |
| 100 | */ |
| 101 | private function buildDisplayBuilderRoute(EntityTypeInterface $entity_type, Route $entity_route): Route { |
| 102 | $path = $entity_route->getPath() . '/display/{view_mode_name}/display-builder'; |
| 103 | |
| 104 | $defaults = []; |
| 105 | $entity_type_id = $entity_type->id(); |
| 106 | $defaults['entity_type_id'] = $entity_type_id; |
| 107 | |
| 108 | // If the entity type has no bundles and it doesn't use {bundle} in its |
| 109 | // admin path, use the entity type. |
| 110 | if (!\str_contains($path, '{bundle}')) { |
| 111 | if (!$entity_type->hasKey('bundle')) { |
| 112 | $defaults['bundle'] = $entity_type_id; |
| 113 | } |
| 114 | else { |
| 115 | $defaults['bundle_key'] = $entity_type->getBundleEntityType(); |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | $requirements = []; |
| 120 | $requirements['_field_ui_view_mode_access'] = 'administer ' . $entity_type_id . ' display'; |
| 121 | |
| 122 | $options = $entity_route->getOptions(); |
| 123 | $options['_admin_route'] = FALSE; |
| 124 | |
| 125 | // @todo add the display builder access check |
| 126 | // $requirements['_display_builder_access'] = 'view'; |
| 127 | // Trigger the display builder RouteEnhancer. |
| 128 | $parameters = []; |
| 129 | // Merge the passed in options in after parameters. |
| 130 | $options = NestedArray::mergeDeep(['parameters' => $parameters], $options); |
| 131 | |
| 132 | $defaults['_controller'] = EntityViewController::class . '::getBuilder'; |
| 133 | $defaults['_title_callback'] = EntityViewController::class . '::title'; |
| 134 | $route = (new Route($path))->setDefaults($defaults)->setRequirements($requirements)->setOptions($options); |
| 135 | |
| 136 | // Set field_ui.route_enhancer to run on the manage layout form? |
| 137 | if (isset($defaults['bundle_key'])) { |
| 138 | $route->setOption('_field_ui', TRUE)->setDefault('bundle', ''); |
| 139 | } |
| 140 | |
| 141 | return $route; |
| 142 | } |
| 143 | |
| 144 | /** |
| 145 | * Returns an array of relevant entity types. |
| 146 | * |
| 147 | * @return \Drupal\Core\Entity\EntityTypeInterface[] |
| 148 | * An array of entity types. |
| 149 | */ |
| 150 | private function getEntityTypes(): array { |
| 151 | return \array_filter($this->entityTypeManager->getDefinitions(), static function (EntityTypeInterface $entity_type) { |
| 152 | return $entity_type->entityClassImplements(FieldableEntityInterface::class) && $entity_type->hasViewBuilderClass() && $entity_type->get('field_ui_base_route'); |
| 153 | }); |
| 154 | } |
| 155 | |
| 156 | } |