fix(files_reminders): Do not attempt to send reminders after a user has left a sharebackport/51079/stable31

Signed-off-by: Christopher Ng <chrng8@gmail.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/apps/files_reminders/lib/Notification/Notifier.php b/apps/files_reminders/lib/Notification/Notifier.php
index 000b04119cd..565ef9a4695 100644
--- a/apps/files_reminders/lib/Notification/Notifier.php
+++ b/apps/files_reminders/lib/Notification/Notifier.php
@@ -14,6 +14,7 @@ use OCP\Files\FileInfo;
 use OCP\Files\IRootFolder;
 use OCP\IURLGenerator;
 use OCP\L10N\IFactory;
+use OCP\Notification\AlreadyProcessedException;
 use OCP\Notification\IAction;
 use OCP\Notification\INotification;
 use OCP\Notification\INotifier;
@@ -51,8 +52,8 @@ class Notifier implements INotifier {
 				$fileId = $params['fileId'];
 
 				$node = $this->root->getUserFolder($notification->getUser())->getFirstNodeById($fileId);
-				if (!$node) {
-					throw new UnknownNotificationException();
+				if ($node === null) {
+					throw new AlreadyProcessedException();
 				}
 
 				$path = rtrim($node->getPath(), '/');