From 0f9bfb342c49fb90f2fa0d467bfe20a5d36a83d6 Mon Sep 17 00:00:00 2001
From: Renaud Chaput <renchap@gmail.com>
Date: Tue, 18 Jun 2024 11:07:01 +0200
Subject: [PATCH] Fix duplicate accounts in a group

---
 app/javascript/mastodon/reducers/notifications_groups.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/app/javascript/mastodon/reducers/notifications_groups.ts b/app/javascript/mastodon/reducers/notifications_groups.ts
index aa869bf9b5..c332525421 100644
--- a/app/javascript/mastodon/reducers/notifications_groups.ts
+++ b/app/javascript/mastodon/reducers/notifications_groups.ts
@@ -133,7 +133,11 @@ export const notificationsGroupsReducer =
         if (existingGroupIndex > -1) {
           const existingGroup = state.groups[existingGroupIndex];
 
-          if (existingGroup && existingGroup.type !== 'gap') {
+          if (
+            existingGroup &&
+            existingGroup.type !== 'gap' &&
+            !existingGroup.sampleAccountsIds.includes(notification.account.id) // This can happen for example if you like, then unlike, then like again the same post
+          ) {
             // Update the existing group
             if (
               existingGroup.sampleAccountsIds.unshift(notification.account.id) >