1	<?php
2
3	declare(strict_types=1);
4
5	namespace Drupal\display_builder_entity_view\Routing;
6
7	use Drupal\Core\Entity\EntityTypeManagerInterface;
8	use Drupal\Core\Routing\RouteBuildEvent;
9	use Drupal\Core\Routing\RoutingEvents;
10	use Drupal\display_builder_entity_view\Controller\EntityViewOverridesController;
11	use Drupal\display_builder_entity_view\Entity\EntityViewDisplay;
12	use Symfony\Component\DependencyInjection\ContainerInterface;
13	use Symfony\Component\EventDispatcher\EventSubscriberInterface;
14	use Symfony\Component\Routing\Route;
15	use Symfony\Component\Routing\RouteCollection;
16
17	/**
18	* Provides routes for the Display Builder UI.
19	*
20	* @internal
21	*   Tagged services are internal.
22	*/
23	final class OverridesRoutes implements EventSubscriberInterface {
24
25	/**
26	* {@inheritdoc}
27	*/
28	public function __construct(
29	private EntityTypeManagerInterface $entityTypeManager,
30	) {}
31
32	/**
33	* {@inheritdoc}
34	*/
35	public static function create(ContainerInterface $container): static {
36	return new self(
37	$container->get('entity_type.manager'),
38	);
39	}
40
41	/**
42	* {@inheritdoc}
43	*/
44	public static function getSubscribedEvents(): array {
45	$events = [];
46	// Run after \Drupal\field_ui\Routing\RouteSubscriber.
47	$events[RoutingEvents::ALTER] = ['onAlterRoutes', -110];
48
49	return $events;
50	}
51
52	/**
53	* Alters existing routes for a specific collection.
54	*
55	* @param \Drupal\Core\Routing\RouteBuildEvent $event
56	*   The route build event.
57	*/
58	public function onAlterRoutes(RouteBuildEvent $event): void {
59	$collection = $event->getRouteCollection();
60	$this->buildRoutes($collection);
61	}
62
63	/**
64	* Build routes for each display overrides.
65	*
66	* @param \Symfony\Component\Routing\RouteCollection $collection
67	*   The route collection to add the routes to.
68	*/
69	private function buildRoutes(RouteCollection $collection): void {
70	$display_infos = EntityViewDisplay::getDisplayInfos($this->entityTypeManager);
71
72	foreach ($display_infos as $entity_type_id => $display_info) {
73	$entity_type = $this->entityTypeManager->getDefinition($entity_type_id);
74	$canonical = $entity_type->getLinkTemplate('canonical');
75
76	$path = \sprintf('%s/display', $canonical);
77	$forward_route = $this->buildSingleRoute($entity_type_id, $path, 'getFirstBuilder', 'checkFirstBuilderAccess');
78	$collection->add("entity.{$entity_type_id}.display_builder.forward", $forward_route);
79
80	foreach (\array_keys($display_info['modes']) as $view_mode) {
81	$path = \sprintf('%s/display/%s', $canonical, $view_mode);
82	$override_route = $this->buildSingleRoute($entity_type_id, $path, 'getBuilder', 'checkAccess');
83	$override_route->addDefaults(['view_mode_name' => $view_mode]);
84	$collection->add("entity.{$entity_type_id}.display_builder.{$view_mode}", $override_route);
85	}
86	}
87	}
88
89	/**
90	* Build single display overrides route.
91	*
92	* @param string $entity_type_id
93	*   The entity type ID.
94	* @param string $path
95	*   The path for the route.
96	* @param string $controller
97	*   The controller method to call.
98	* @param string $custom_access
99	*   The custom access check method.
100	*
101	* @return \Symfony\Component\Routing\Route
102	*   The built route.
103	*/
104	private function buildSingleRoute(string $entity_type_id, string $path, string $controller, string $custom_access): Route {
105	$defaults = [
106	'_controller' => EntityViewOverridesController::class . '::' . $controller,
107	'_title_callback' => EntityViewOverridesController::class . '::title',
108	'entity_type_id' => $entity_type_id,
109	];
110	$requirements = [
111	'_entity_access' => "{$entity_type_id}.update",
112	'_custom_access' => EntityViewOverridesController::class . '::' . $custom_access,
113	];
114	$main_options = [
115	'parameters' => [
116	$entity_type_id => ['type' => 'entity:' . $entity_type_id],
117	],
118	];
119
120	return (new Route($path))
121	->setDefaults($defaults)
122	->setRequirements($requirements)
123	->setOptions($main_options);
124	}
125
126	}

---

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OverridesRoutes->__construct

28	public function __construct(
29	private EntityTypeManagerInterface $entityTypeManager,
30	) {}

OverridesRoutes->buildRoutes

69	private function buildRoutes(RouteCollection $collection): void {
70	$display_infos = EntityViewDisplay::getDisplayInfos($this->entityTypeManager);
71
72	foreach ($display_infos as $entity_type_id => $display_info) {

72	foreach ($display_infos as $entity_type_id => $display_info) {

72	foreach ($display_infos as $entity_type_id => $display_info) {
73	$entity_type = $this->entityTypeManager->getDefinition($entity_type_id);
74	$canonical = $entity_type->getLinkTemplate('canonical');
75
76	$path = \sprintf('%s/display', $canonical);
77	$forward_route = $this->buildSingleRoute($entity_type_id, $path, 'getFirstBuilder', 'checkFirstBuilderAccess');
78	$collection->add("entity.{$entity_type_id}.display_builder.forward", $forward_route);
79
80	foreach (\array_keys($display_info['modes']) as $view_mode) {

80	foreach (\array_keys($display_info['modes']) as $view_mode) {

80	foreach (\array_keys($display_info['modes']) as $view_mode) {
81	$path = \sprintf('%s/display/%s', $canonical, $view_mode);

72	foreach ($display_infos as $entity_type_id => $display_info) {
73	$entity_type = $this->entityTypeManager->getDefinition($entity_type_id);
74	$canonical = $entity_type->getLinkTemplate('canonical');
75
76	$path = \sprintf('%s/display', $canonical);
77	$forward_route = $this->buildSingleRoute($entity_type_id, $path, 'getFirstBuilder', 'checkFirstBuilderAccess');
78	$collection->add("entity.{$entity_type_id}.display_builder.forward", $forward_route);
79
80	foreach (\array_keys($display_info['modes']) as $view_mode) {

72	foreach ($display_infos as $entity_type_id => $display_info) {
73	$entity_type = $this->entityTypeManager->getDefinition($entity_type_id);
74	$canonical = $entity_type->getLinkTemplate('canonical');
75
76	$path = \sprintf('%s/display', $canonical);
77	$forward_route = $this->buildSingleRoute($entity_type_id, $path, 'getFirstBuilder', 'checkFirstBuilderAccess');
78	$collection->add("entity.{$entity_type_id}.display_builder.forward", $forward_route);
79
80	foreach (\array_keys($display_info['modes']) as $view_mode) {
81	$path = \sprintf('%s/display/%s', $canonical, $view_mode);
82	$override_route = $this->buildSingleRoute($entity_type_id, $path, 'getBuilder', 'checkAccess');
83	$override_route->addDefaults(['view_mode_name' => $view_mode]);
84	$collection->add("entity.{$entity_type_id}.display_builder.{$view_mode}", $override_route);
85	}
86	}
87	}

OverridesRoutes->buildSingleRoute

104	private function buildSingleRoute(string $entity_type_id, string $path, string $controller, string $custom_access): Route {
105	$defaults = [
106	'_controller' => EntityViewOverridesController::class . '::' . $controller,
107	'_title_callback' => EntityViewOverridesController::class . '::title',
108	'entity_type_id' => $entity_type_id,
109	];
110	$requirements = [
111	'_entity_access' => "{$entity_type_id}.update",
112	'_custom_access' => EntityViewOverridesController::class . '::' . $custom_access,
113	];
114	$main_options = [
115	'parameters' => [
116	$entity_type_id => ['type' => 'entity:' . $entity_type_id],
117	],
118	];
119
120	return (new Route($path))
121	->setDefaults($defaults)
122	->setRequirements($requirements)
123	->setOptions($main_options);

OverridesRoutes->create

35	public static function create(ContainerInterface $container): static {
36	return new self(
37	$container->get('entity_type.manager'),

OverridesRoutes->getSubscribedEvents

45	$events = [];
46	// Run after \Drupal\field_ui\Routing\RouteSubscriber.
47	$events[RoutingEvents::ALTER] = ['onAlterRoutes', -110];
48
49	return $events;

OverridesRoutes->onAlterRoutes

58	public function onAlterRoutes(RouteBuildEvent $event): void {
59	$collection = $event->getRouteCollection();
60	$this->buildRoutes($collection);
61	}