3261263 Added mapbuilder service with appropriate interface, updated map controller

Closes #3261263

src/Controller/EntityReferenceMapController.php

@@ -8,20 +8,46 @@ use Drupal\Core\Access\AccessResult;
 use Drupal\Core\Access\AccessResultInterface;
 use Drupal\Core\Controller\ControllerBase;
 use Drupal\Core\Session\AccountInterface;
+use Drupal\entity_reference_map\EntityReferenceMapBuilderInterface;
 use Drupal\node\NodeInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
  * Map controller.
  */
 class EntityReferenceMapController extends ControllerBase {
 
+  /**
+   * EntityReferenceMapBuilder service.
+   *
+   * @var \Drupal\entity_reference_map\EntityReferenceMapBuilderInterface
+   */
+  protected EntityReferenceMapBuilderInterface $entityReferenceMapBuilder;
+
+  /**
+   * Constructs EntityReferenceMapController object.
+   *
+   * @param \Drupal\entity_reference_map\EntityReferenceMapBuilderInterface $entity_reference_map_builder
+   *
+   */
+  public function __construct(EntityReferenceMapBuilderInterface $entity_reference_map_builder) {
+    $this->entityReferenceMapBuilder = $entity_reference_map_builder;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static(
+      $container->get('entity_reference_map.builder')
+    );
+  }
+
   /**
    * Builds a block for rendering map content.
    */
   public function mapOverview(NodeInterface $node) {
-    // @todo: Replace empty array for the result of a build method.
-    // Issue - https://www.drupal.org/project/3259790/issues/3261219.
-    $tree = [];
+    $tree = $this->entityReferenceMapBuilder->build($node);
     $tree_id = Html::getUniqueId('tree');
 
     return [
@@ -59,4 +85,5 @@ class EntityReferenceMapController extends ControllerBase {
       $account->hasPermission("view node map page in {$node->getType()}")
     );
   }
+
 }

[Dmytro Sluchevskyi]

How about also a 'view any node map page' permission?