refactor: add note file event listener

Signed-off-by: Josh <josh.t.richards@gmail.com>

Author: joshtrichards

lib/Listener/NoteFileEventsListener.php

@@ -0,0 +1,55 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\Notes\Listener;
+
+use OCA\Notes\Service\MetaService;
+use OCP\EventDispatcher\Event;
+use OCP\EventDispatcher\IEventListener;
+use OCP\Files\Events\Node\BeforeNodeDeletedEvent;
+use OCP\Files\Events\Node\BeforeNodeRenamedEvent;
+use OCP\Files\Events\Node\BeforeNodeTouchedEvent;
+use OCP\Files\Events\Node\BeforeNodeWrittenEvent;
+use OCP\Files\Node;
+
+/** @template-implements IEventListener<BeforeNodeWrittenEvent|BeforeNodeTouchedEvent|BeforeNodeDeletedEvent|BeforeNodeRenamedEvent|Event> */
+class NoteFileEventsListener implements IEventListener {
+	public function __construct(
+		private MetaService $metaService,
+	) {
+	}
+
+	public function handle(Event $event): void {
+		if ($event instanceof BeforeNodeWrittenEvent) {
+			$this->onFileModified($event->getNode());
+			return;
+		}
+
+		if ($event instanceof BeforeNodeTouchedEvent) {
+			$this->onFileModified($event->getNode());
+			return;
+		}
+
+		if ($event instanceof BeforeNodeDeletedEvent) {
+			$this->onFileModified($event->getNode());
+			return;
+		}
+
+		if ($event instanceof BeforeNodeRenamedEvent) {
+			$this->onFileModified($event->getSource());
+		}
+	}
+
+	private function onFileModified(Node $node): void {
+		try {
+			$this->metaService->deleteByNote($node->getId());
+		} catch (\Throwable $e) {
+		}
+	}
+}