From eb7382b67260605a4334c978d733a1ebcd86af38 Mon Sep 17 00:00:00 2001
From: Ian Morland <16573496+imorland@users.noreply.github.com>
Date: Tue, 14 Dec 2021 18:24:30 +0000
Subject: [PATCH] Only update notifications that are not already marked as read
 (#3202)

---
 framework/core/src/Notification/NotificationRepository.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/framework/core/src/Notification/NotificationRepository.php b/framework/core/src/Notification/NotificationRepository.php
index 96030f98a..dcb7acbd8 100644
--- a/framework/core/src/Notification/NotificationRepository.php
+++ b/framework/core/src/Notification/NotificationRepository.php
@@ -50,6 +50,8 @@ class NotificationRepository
      */
     public function markAllAsRead(User $user)
     {
-        Notification::where('user_id', $user->id)->update(['read_at' => Carbon::now()]);
+        Notification::where('user_id', $user->id)
+            ->whereNull('read_at')
+            ->update(['read_at' => Carbon::now()]);
     }
 }