Also handle user/group deletion in the listener

Signed-off-by: Julius Härtl <jus@bitgrid.net>

3 files changed, 61 insertions, 92 deletions

diff --git a/lib/AppInfo/Application.php b/lib/AppInfo/Application.php
index d53f440c..1f973619 100644
--- a/lib/AppInfo/Application.php
+++ b/lib/AppInfo/Application.php
@@ -33,9 +33,6 @@ use OCA\Deck\Collaboration\Resources\ResourceProvider;
 use OCA\Deck\Collaboration\Resources\ResourceProviderCard;
 use OCA\Deck\Dashboard\DeckWidget;
 use OCA\Deck\Db\Acl;
-use OCA\Deck\Db\AclMapper;
-use OCA\Deck\Db\AssignmentMapper;
-use OCA\Deck\Db\BoardMapper;
 use OCA\Deck\Db\CardMapper;
 use OCA\Deck\Event\AclCreatedEvent;
 use OCA\Deck\Event\AclDeletedEvent;
@@ -44,7 +41,7 @@ use OCA\Deck\Event\CardCreatedEvent;
 use OCA\Deck\Event\CardDeletedEvent;
 use OCA\Deck\Event\CardUpdatedEvent;
 use OCA\Deck\Listeners\BeforeTemplateRenderedListener;
-use OCA\Deck\Listeners\CircleEventListener;
+use OCA\Deck\Listeners\ParticipantCleanupListener;
 use OCA\Deck\Listeners\FullTextSearchEventListener;
 use OCA\Deck\Listeners\ResourceListener;
 use OCA\Deck\Middleware\DefaultBoardMiddleware;
@@ -65,15 +62,12 @@ use OCP\Collaboration\Reference\RenderReferenceEvent;
 use OCP\Collaboration\Resources\IProviderManager;
 use OCP\Comments\CommentsEntityEvent;
 use OCP\Comments\ICommentsManager;
-use OCP\EventDispatcher\Event;
 use OCP\EventDispatcher\IEventDispatcher;
 use OCP\Group\Events\GroupDeletedEvent;
 use OCP\IConfig;
 use OCP\IDBConnection;
-use OCP\IGroupManager;
 use OCP\IRequest;
 use OCP\Server;
-use OCP\IUserManager;
 use OCP\Notification\IManager as NotificationManager;
 use OCP\Share\IManager;
 use OCP\User\Events\UserDeletedEvent;
@@ -98,7 +92,6 @@ class Application extends App implements IBootstrap {
 	}
 
 	public function boot(IBootContext $context): void {
-		$context->injectFn(Closure::fromCallable([$this, 'registerUserGroupHooks']));
 		$context->injectFn(Closure::fromCallable([$this, 'registerCommentsEntity']));
 		$context->injectFn(Closure::fromCallable([$this, 'registerCommentsEventHandler']));
 		$context->injectFn(Closure::fromCallable([$this, 'registerNotifications']));
@@ -151,60 +144,15 @@ class Application extends App implements IBootstrap {
 		$context->registerEventListener(AclCreatedEvent::class, ResourceListener::class);
 		$context->registerEventListener(AclDeletedEvent::class, ResourceListener::class);
 
-		$context->registerEventListener(CircleDestroyedEvent::class, CircleEventListener::class);
+		$context->registerEventListener(UserDeletedEvent::class, ParticipantCleanupListener::class);
+		$context->registerEventListener(GroupDeletedEvent::class, ParticipantCleanupListener::class);
+		$context->registerEventListener(CircleDestroyedEvent::class, ParticipantCleanupListener::class);
 	}
 
 	public function registerNotifications(NotificationManager $notificationManager): void {
 		$notificationManager->registerNotifierService(Notifier::class);
 	}
 
-	private function registerUserGroupHooks(IUserManager $userManager, IGroupManager $groupManager): void {
-		$container = $this->getContainer();
-		/** @var IEventDispatcher $eventDispatcher */
-		$eventDispatcher = $container->get(IEventDispatcher::class);
-		// Delete user/group acl entries when they get deleted
-		$eventDispatcher->addListener(UserDeletedEvent::class, static function (Event $event) use ($container): void {
-			if (!($event instanceof UserDeletedEvent)) {
-				return;
-			}
-			$user = $event->getUser();
-			// delete existing acl entries for deleted user
-			/** @var AclMapper $aclMapper */
-			$aclMapper = $container->get(AclMapper::class);
-			$acls = $aclMapper->findByParticipant(Acl::PERMISSION_TYPE_USER, $user->getUID());
-			foreach ($acls as $acl) {
-				$aclMapper->delete($acl);
-			}
-			// delete existing user assignments
-			$assignmentMapper = $container->get(AssignmentMapper::class);
-			$assignments = $assignmentMapper->findByParticipant($user->getUID());
-			foreach ($assignments as $assignment) {
-				$assignmentMapper->delete($assignment);
-			}
-
-			/** @var BoardMapper $boardMapper */
-			$boardMapper = $container->get(BoardMapper::class);
-			$boards = $boardMapper->findAllByOwner($user->getUID());
-			foreach ($boards as $board) {
-				$boardMapper->delete($board);
-			}
-		});
-
-		$eventDispatcher->addListener(GroupDeletedEvent::class, static function (Event $event) use ($container): void {
-			if (!($event instanceof GroupDeletedEvent)) {
-				return;
-			}
-			$group = $event->getGroup();
-			/** @var AclMapper $aclMapper */
-			$aclMapper = $container->get(AclMapper::class);
-			$aclMapper->findByParticipant(Acl::PERMISSION_TYPE_GROUP, $group->getGID());
-			$acls = $aclMapper->findByParticipant(Acl::PERMISSION_TYPE_GROUP, $group->getGID());
-			foreach ($acls as $acl) {
-				$aclMapper->delete($acl);
-			}
-		});
-	}
-
 	public function registerCommentsEntity(IEventDispatcher $eventDispatcher): void {
 		$eventDispatcher->addListener(CommentsEntityEvent::EVENT_ENTITY, function (CommentsEntityEvent $event) {
 			$event->addEntityCollection(self::COMMENT_ENTITY_TYPE, function ($name) {
diff --git a/lib/Listeners/CircleEventListener.php b/lib/Listeners/CircleEventListener.php
deleted file mode 100644
index 676c8356..00000000
--- a/lib/Listeners/CircleEventListener.php
+++ /dev/null
@@ -1,36 +0,0 @@
-<?php
-
-namespace OCA\Deck\Listeners;
-
-use OCA\Circles\Events\CircleDestroyedEvent;
-use OCA\Deck\Db\Acl;
-use OCA\Deck\Db\AclMapper;
-use OCA\Deck\Event\AclDeletedEvent;
-use OCP\EventDispatcher\Event;
-use OCP\EventDispatcher\IEventDispatcher;
-use OCP\EventDispatcher\IEventListener;
-
-class CircleEventListener implements IEventListener {
-
-	/** @var AclMapper */
-	private $aclMapper;
-
-	/** @var IEventDispatcher */
-	private $eventDispatcher;
-
-	public function __construct(AclMapper $aclMapper, IEventDispatcher $eventDispatcher) {
-		$this->aclMapper = $aclMapper;
-		$this->eventDispatcher = $eventDispatcher;
-	}
-
-	public function handle(Event $event): void {
-		if ($event instanceof CircleDestroyedEvent) {
-			$circleId = $event->getCircle()->getSingleId();
-			$acls = $this->aclMapper->findByParticipant(Acl::PERMISSION_TYPE_CIRCLE, $circleId);
-			foreach ($acls as $acl) {
-				$this->aclMapper->delete($acl);
-				$this->eventDispatcher->dispatchTyped(new AclDeletedEvent($acl));
-			}
-		}
-	}
-}
diff --git a/lib/Listeners/ParticipantCleanupListener.php b/lib/Listeners/ParticipantCleanupListener.php
new file mode 100644
index 00000000..aa159107
--- /dev/null
+++ b/lib/Listeners/ParticipantCleanupListener.php
@@ -0,0 +1,57 @@
+<?php
+
+namespace OCA\Deck\Listeners;
+
+use OCA\Circles\Events\CircleDestroyedEvent;
+use OCA\Deck\Db\Acl;
+use OCA\Deck\Db\AclMapper;
+use OCA\Deck\Db\AssignmentMapper;
+use OCA\Deck\Db\BoardMapper;
+use OCP\EventDispatcher\Event;
+use OCP\EventDispatcher\IEventListener;
+use OCP\Group\Events\GroupDeletedEvent;
+use OCP\User\Events\UserDeletedEvent;
+
+class ParticipantCleanupListener implements IEventListener {
+	private AclMapper $aclMapper;
+	private AssignmentMapper $assignmentMapper;
+	private BoardMapper $boardMapper;
+
+	public function __construct(AclMapper $aclMapper, AssignmentMapper $assignmentMapper, BoardMapper $boardMapper) {
+		$this->aclMapper = $aclMapper;
+		$this->assignmentMapper = $assignmentMapper;
+		$this->boardMapper = $boardMapper;
+	}
+
+	public function handle(Event $event): void {
+		if ($event instanceof UserDeletedEvent) {
+			$boards = $this->boardMapper->findAllByOwner($event->getUser()->getUID());
+			foreach ($boards as $board) {
+				$this->boardMapper->delete($board);
+			}
+
+			$this->cleanupByParticipant(Acl::PERMISSION_TYPE_USER, $event->getUser()->getUID());
+		}
+
+		if ($event instanceof GroupDeletedEvent) {
+			$this->cleanupByParticipant(Acl::PERMISSION_TYPE_GROUP, $event->getGroup()->getGID());
+		}
+
+		if ($event instanceof CircleDestroyedEvent) {
+			$circleId = $event->getCircle()->getSingleId();
+			$this->cleanupByParticipant(Acl::PERMISSION_TYPE_CIRCLE, $circleId);
+		}
+	}
+
+	private function cleanupByParticipant(int $type, string $participant): void {
+		$acls = $this->aclMapper->findByParticipant($type, $participant);
+		foreach ($acls as $acl) {
+			$this->aclMapper->delete($acl);
+		}
+
+		$assignments = $this->assignmentMapper->findByParticipant($participant, $type);
+		foreach ($assignments as $assignment) {
+			$this->assignmentMapper->delete($assignment);
+		}
+	}
+}