From 7228752a0110aaf29a23b01e996d653301a720e1 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Fri, 4 Feb 2022 19:17:45 +0300
Subject: [PATCH] Check only for existing unread reactions.

---
 Telegram/SourceFiles/history/history_item.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Telegram/SourceFiles/history/history_item.cpp b/Telegram/SourceFiles/history/history_item.cpp
index 09c714aa0..8fb09b7e0 100644
--- a/Telegram/SourceFiles/history/history_item.cpp
+++ b/Telegram/SourceFiles/history/history_item.cpp
@@ -180,12 +180,15 @@ MediaCheckResult CheckMessageMedia(const MTPMessageMedia &media) {
 }
 
 using OnStackUsers = std::array<UserData*, kMaxUnreadReactions>;
-[[nodiscard]] OnStackUsers LookupRecentReactedUsers(
+[[nodiscard]] OnStackUsers LookupRecentUnreadReactedUsers(
 		not_null<HistoryItem*> item) {
 	auto result = OnStackUsers();
 	auto index = 0;
 	for (const auto &[emoji, reactions] : item->recentReactions()) {
 		for (const auto &reaction : reactions) {
+			if (!reaction.unread) {
+				continue;
+			}
 			if (const auto user = reaction.peer->asUser()) {
 				result[index++] = user;
 				if (index == result.size()) {
@@ -907,7 +910,7 @@ void HistoryItem::setReactions(const MTPMessageReactions *reactions) {
 }
 
 void HistoryItem::updateReactions(const MTPMessageReactions *reactions) {
-	const auto wasRecentUsers = LookupRecentReactedUsers(this);
+	const auto wasRecentUsers = LookupRecentUnreadReactedUsers(this);
 	const auto hadUnread = hasUnreadReaction();
 	const auto changed = changeReactions(reactions);
 	if (!changed) {