From 5fe054333a2af1f61e704de3773989fc209b0c78 Mon Sep 17 00:00:00 2001
From: "dmitrii.pichenikin" <dmitrii.pichenikin@wilix.team>
Date: Fri, 13 Mar 2026 16:24:25 +0300
Subject: [PATCH] LP-5673: fixed a problem with duplicate notifications in a
 channel

---
 server/utils.go | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/server/utils.go b/server/utils.go
index 56b284d..a44ce76 100644
--- a/server/utils.go
+++ b/server/utils.go
@@ -201,7 +201,14 @@ func (p *Plugin) notifyGrant(badgeID badgesmodel.BadgeID, granter string, grante
 				p.mm.Log.Debug("notify subscription error", "err", err)
 			}
 		}
-		if inChannel {
+		alreadyNotified := false
+		for _, sub := range subs {
+			if sub == channelID {
+				alreadyNotified = true
+				break
+			}
+		}
+		if inChannel && !alreadyNotified {
 			if !p.API.HasPermissionToChannel(granter, channelID, model.PERMISSION_CREATE_POST) {
 				Tg := p.getT(granterUser.Locale)
 				p.mm.Post.SendEphemeralPost(granter, &model.Post{Message: Tg("badges.notify.no_permission_channel", "У вас нет прав на отправку уведомления о выдаче в этот канал."), ChannelId: channelID})