fix(files_sharing): Update shares on group removal

Signed-off-by: Louis Chemineau <[email protected]>

apps/files_sharing/lib/AppInfo/Application.php

@@ -42,6 +42,7 @@
 use OCA\Files_Sharing\Listener\LoadSidebarListener;
 use OCA\Files_Sharing\Listener\ShareInteractionListener;
 use OCA\Files_Sharing\Listener\UserAddedToGroupListener;
+use OCA\Files_Sharing\Listener\UserRemoveFromGroupListener;
 use OCA\Files_Sharing\Listener\UserShareAcceptanceListener;
 use OCA\Files_Sharing\Middleware\OCSShareAPIMiddleware;
 use OCA\Files_Sharing\Middleware\ShareInfoMiddleware;
@@ -66,6 +67,7 @@
 use OCP\Group\Events\GroupChangedEvent;
 use OCP\Group\Events\GroupDeletedEvent;
 use OCP\Group\Events\UserAddedEvent;
+use OCP\Group\Events\UserRemovedEvent;
 use OCP\IDBConnection;
 use OCP\IGroup;
 use OCP\IUserSession;
@@ -134,6 +136,7 @@ public function registerEventsScripts(IEventDispatcher $dispatcher): void {
 		$dispatcher->addServiceListener(ShareCreatedEvent::class, ShareInteractionListener::class);
 		$dispatcher->addServiceListener(ShareCreatedEvent::class, UserShareAcceptanceListener::class);
 		$dispatcher->addServiceListener(UserAddedEvent::class, UserAddedToGroupListener::class);
+		$dispatcher->addServiceListener(UserRemovedEvent::class, UserRemoveFromGroupListener::class);
 		$dispatcher->addListener(ResourcesLoadAdditionalScriptsEvent::class, function () {
 			\OCP\Util::addScript('files_sharing', 'collaboration');
 		});

apps/files_sharing/lib/Listener/UserRemoveFromGroupListener.php

@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2024, Louis Chmn <[email protected]>
+ *
+ * @author Louis Chmn <[email protected]>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\Files_Sharing\Listener;
+
+use OCP\EventDispatcher\Event;
+use OCP\EventDispatcher\IEventListener;
+use OCP\Group\Events\UserRemovedEvent;
+use OCP\Share\IManager;
+
+/** @template-implements IEventListener<UserRemovedEvent> */
+class UserRemoveFromGroupListener implements IEventListener {
+	public function __construct(
+		private IManager $shareManager,
+	) {
+	}
+
+	public function handle(Event $event): void {
+		if (!($event instanceof UserRemovedEvent)) {
+			return;
+		}
+
+		$user = $event->getUser();
+		$group = $event->getGroup();
+
+		$this->shareManager->userDeletedFromGroup($user->getUID(), $group->getGID());
+	}
+}