feat: dispatch UserShareAccessUpdatedEvent on ACL add/remove

Signed-off-by: grnd-alt <[email protected]>

Author: grnd-alt

lib/AppInfo/Application.php

@@ -27,6 +27,7 @@
 use OCA\Deck\Event\CardUpdatedEvent;
 use OCA\Deck\Event\SessionClosedEvent;
 use OCA\Deck\Event\SessionCreatedEvent;
+use OCA\Deck\Listeners\AclCreatedRemovedListener;
 use OCA\Deck\Listeners\BeforeTemplateRenderedListener;
 use OCA\Deck\Listeners\CommentEventListener;
 use OCA\Deck\Listeners\FullTextSearchEventListener;
@@ -134,6 +135,10 @@ public function register(IRegistrationContext $context): void {
 
 		$context->registerEventListener(BeforeTemplateRenderedEvent::class, BeforeTemplateRenderedListener::class);
 
+		// Event listening to emit UserShareAccessUpdatedEvent for files_sharing
+		$context->registerEventListener(AclCreatedEvent::class, AclCreatedRemovedListener::class);
+		$context->registerEventListener(AclDeletedEvent::class, AclCreatedRemovedListener::class);
+
 		// Event listening for full text search indexing
 		$context->registerEventListener(CardCreatedEvent::class, FullTextSearchEventListener::class);
 		$context->registerEventListener(CardUpdatedEvent::class, FullTextSearchEventListener::class);

lib/Listeners/AclCreatedRemovedListener.php

@@ -0,0 +1,43 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCA\Deck\Listeners;
+
+use OCA\Deck\Event\AclCreatedEvent;
+use OCA\Deck\Event\AclDeletedEvent;
+use OCA\Files_Sharing\Event\UserShareAccessUpdatedEvent;
+use OCP\EventDispatcher\Event;
+use OCP\EventDispatcher\IEventDispatcher;
+use OCP\EventDispatcher\IEventListener;
+use OCP\IGroupManager;
+use OCP\IUserManager;
+use OCP\Share\IShare;
+
+class AclCreatedRemovedListener implements IEventListener {
+	public function __construct(
+		private IGroupManager $groupManager,
+		private IEventDispatcher $eventDispatcher,
+		private IUserManager $userManager,
+	) {
+	}
+
+	public function handle(Event $event): void {
+		if (!$event instanceof AclDeletedEvent && !$event instanceof AclCreatedEvent) {
+			return;
+		}
+
+		$acl = $event->getAcl();
+		if ($acl->getType() === IShare::TYPE_GROUP) {
+			$group = $this->groupManager->get($acl->getParticipant());
+			foreach ($group->getUsers() as $user) {
+				$this->eventDispatcher->dispatchTyped(new UserShareAccessUpdatedEvent($user));
+			}
+		} else {
+			$user = $this->userManager->get($acl->getParticipant());
+			$this->eventDispatcher->dispatchTyped(new UserShareAccessUpdatedEvent($user));
+		}
+	}
+}

lib/Service/BoardService.php

@@ -7,6 +7,7 @@
 
 namespace OCA\Deck\Service;
 
+use OC\User\LazyUser;
 use OCA\Deck\Activity\ActivityManager;
 use OCA\Deck\Activity\ChangeSet;
 use OCA\Deck\AppInfo\Application;
@@ -34,6 +35,7 @@
 use OCA\Deck\NoPermissionException;
 use OCA\Deck\Notification\NotificationHelper;
 use OCA\Deck\Validators\BoardServiceValidator;
+use OCA\Files_Sharing\Event\UserShareAccessUpdatedEvent;
 use OCP\AppFramework\Db\DoesNotExistException;
 use OCP\AppFramework\Db\MultipleObjectsReturnedException;
 use OCP\DB\Exception as DbException;
@@ -42,6 +44,7 @@
 use OCP\IDBConnection;
 use OCP\IL10N;
 use OCP\IURLGenerator;
+use OCP\IUserManager;
 use OCP\Server;
 use Psr\Container\ContainerExceptionInterface;
 use Psr\Container\NotFoundExceptionInterface;
@@ -69,6 +72,7 @@ public function __construct(
 		private IDBConnection $connection,
 		private BoardServiceValidator $boardServiceValidator,
 		private SessionMapper $sessionMapper,
+		private IUserManager $userManager,
 		private ?string $userId,
 	) {
 	}
@@ -235,6 +239,13 @@ public function delete(int $id): Board {
 		$this->activityManager->triggerEvent(ActivityManager::DECK_OBJECT_BOARD, $board, ActivityManager::SUBJECT_BOARD_DELETE);
 		$this->changeHelper->boardChanged($board->getId());
 
+		$acls = $this->aclMapper->findAll($id);
+		foreach ($acls as $acl) {
+			$user = new LazyUser($acl->getParticipant(), $this->userManager);
+			$event = new UserShareAccessUpdatedEvent($user);
+			$this->eventDispatcher->dispatchTyped($event);
+		}
+
 		return $board;
 	}
 
@@ -253,6 +264,13 @@ public function deleteUndo(int $id): Board {
 		$this->activityManager->triggerEvent(ActivityManager::DECK_OBJECT_BOARD, $board, ActivityManager::SUBJECT_BOARD_RESTORE);
 		$this->changeHelper->boardChanged($board->getId());
 
+		$acls = $this->aclMapper->findAll($id);
+		foreach ($acls as $acl) {
+			$user = new LazyUser($acl->getParticipant(), $this->userManager);
+			$event = new UserShareAccessUpdatedEvent($user);
+			$this->eventDispatcher->dispatchTyped($event);
+		}
+
 		return $board;
 	}