added delete Action

src/Plugin/Action/DeleteMediaAndMultifiles.php

@@ -0,0 +1,80 @@
+<?php
+
+namespace Drupal\islandora\Plugin\Action;
+
+use Drupal\Core\Database\Connection;
+use Drupal\Core\Session\AccountInterface;
+use Drupal\file\Entity\File;
+use Drupal\islandora\MediaSource\MediaSourceService;
+use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
+use Psr\Log\LoggerInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Drupal\islandora\Plugin\Action\DeleteMediaAndFile;
+use Drupal\Core\Entity\EntityFieldManagerInterface;
+
+
+/**
+ * Deletes a media and all associated files.
+ *
+ * @Action(
+ *   id = "delete_media_and_all_files",
+ *   label = @Translation("Delete media and all associated files"),
+ *   type = "media"
+ * )
+ */
+class DeleteMediaAndMultifiles extends DeleteMediaAndFile implements ContainerFactoryPluginInterface {
+
+  private $entity_field_manager;
+
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, MediaSourceService $media_source_service, Connection $connection, LoggerInterface $logger) {
+    parent::__construct($configuration, $plugin_id, $plugin_definition, $media_source_service, $connection, $logger);
+  }
+
+  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
+    $instance = parent::create($container, $configuration, $plugin_id, $plugin_definition);
+    $instance->setEntityFieldManager($container->get('entity_field.manager'));
+    return $instance;
+
+  }
+
+  /**
+   * Sets entity field manager.
+   */
+  public function setEntityFieldManager(EntityFieldManagerInterface $entity_field_manager) {
+    $this->entity_field_manager = $entity_field_manager;
+  }
+
+  public function execute($entity = NULL) {
+    if (!$entity) {
+      return;
+    }
+
+    $delete = FALSE;
+    $fields = $this->entity_field_manager->getFieldDefinitions('media', $entity->bundle());
+    $files = [];
+    foreach ($fields as $field) {
+      $type = $field->getType();
+      if ($type == 'file' || $type == 'image') {
+        $files[] = $field->getName();
+      }
+    }
+    foreach ($files as $field) {
+      $target_id = $entity->get($field)->target_id;
+      $file = File::load($target_id);
+      if ($file) {
+        $file->delete();
+        $delete = TRUE;
+      }
+    }
+    if($delete) {
+      $entity->delete();
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function access($object, AccountInterface $account = NULL, $return_as_object = FALSE) {
+    return $object->access('delete', $account, $return_as_object);
+  }
+}