DDST-382: Subscriber to handle deletion of related Embargoes when a n…

islandora_entity_status.module

@@ -5,6 +5,7 @@
  * Hook implementations.
  */
 
+use Drupal\Core\Entity\ContentEntityInterface;
 use Drupal\Core\Entity\EntityInterface;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\islandora\IslandoraUtils;
@@ -165,3 +166,17 @@ function islandora_entity_status_batch_finished($success, $results, $operations)
     $messenger->addError(t('Batch processing failed.'));
   }
 }
+
+/**
+ * Implements hook_entity_delete().
+ */
+function islandora_entity_status_entity_delete(EntityInterface $entity) {
+  if (!$entity instanceof ContentEntityInterface) {
+    return;
+  }
+
+  // Check if the entity is a node with the bundle "islandora_object".
+  if ($entity->hasField(IslandoraUtils::MEMBER_OF_FIELD)) {
+    \Drupal::service('islandora_entity_status.islandora_node_delete_subscriber')->deleteAssociatedCustomEntity($entity);
+  }
+}

islandora_entity_status.services.yml

@@ -5,3 +5,6 @@ services:
       - '@entity_type.manager'
     tags:
       - { name: drush.command }
+  islandora_entity_status.islandora_node_delete_subscriber:
+    class: Drupal\islandora_entity_status\IslandoraNodeDeleteSubscriber
+    arguments: [ '@entity_type.manager' ]

src/IslandoraNodeDeleteSubscriber.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace Drupal\islandora_entity_status;
+
+use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Drupal\node\NodeInterface;
+
+/**
+ * Subscriber to handle deletion of related Embargoes when a node is deleted.
+ */
+class IslandoraNodeDeleteSubscriber {
+
+  /**
+   * The entity type manager.
+   *
+   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
+   */
+  protected $entityTypeManager;
+
+  /**
+   * Constructs a new CustomEntityDeleter object.
+   *
+   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
+   *   The entity type manager.
+   */
+  public function __construct(EntityTypeManagerInterface $entity_type_manager) {
+    $this->entityTypeManager = $entity_type_manager;
+  }
+
+  /**
+   * Deletes the associated embargos.
+   *
+   * @param \Drupal\node\NodeInterface $node
+   *   The Islandora object node being deleted.
+   */
+  public function deleteAssociatedCustomEntity(NodeInterface $node): void {
+    $custom_entity_storage = $this->entityTypeManager->getStorage('embargo');
+    $custom_entities = $custom_entity_storage->loadByProperties(['embargoed_node' => $node->id()]);
+
+    foreach ($custom_entities as $custom_entity) {
+      $custom_entity->delete();
+    }
+  }
+
+}