From b89fd243398c10bb099d898b004711d6067c74dc Mon Sep 17 00:00:00 2001
From: 23rd <23rd@vivaldi.net>
Date: Mon, 1 Jun 2026 13:35:03 +0300
Subject: [PATCH] Fixed empty chat list preview after deleting last message.

Regression was introduced in 6c88a90d28.
---
 Telegram/SourceFiles/data/data_session.cpp | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/Telegram/SourceFiles/data/data_session.cpp b/Telegram/SourceFiles/data/data_session.cpp
index 8546a67d1c..71737fafaa 100644
--- a/Telegram/SourceFiles/data/data_session.cpp
+++ b/Telegram/SourceFiles/data/data_session.cpp
@@ -2967,9 +2967,7 @@ void Session::processMessagesDeleted(
 		if (list && i != list->end()) {
 			const auto history = i->second->history();
 			toDestroy.push_back(i->second);
-			if (!history->chatListMessageKnown()) {
-				historiesToCheck.emplace(history);
-			}
+			historiesToCheck.emplace(history);
 		} else if (affected) {
 			affected->unknownMessageDeleted(messageId.v);
 		}
@@ -2981,7 +2979,9 @@ void Session::processMessagesDeleted(
 		}
 	}
 	for (const auto &history : historiesToCheck) {
-		history->requestChatListMessage();
+		if (!history->chatListMessageKnown()) {
+			history->requestChatListMessage();
+		}
 	}
 }
 
@@ -2992,9 +2992,7 @@ void Session::processNonChannelMessagesDeleted(const QVector<MTPint> &data) {
 		if (const auto item = nonChannelMessage(messageId.v)) {
 			const auto history = item->history();
 			toDestroy.push_back(item);
-			if (!history->chatListMessageKnown()) {
-				historiesToCheck.emplace(history);
-			}
+			historiesToCheck.emplace(history);
 		}
 	}
 	if (!toDestroy.empty()) {
@@ -3004,7 +3002,9 @@ void Session::processNonChannelMessagesDeleted(const QVector<MTPint> &data) {
 		}
 	}
 	for (const auto &history : historiesToCheck) {
-		history->requestChatListMessage();
+		if (!history->chatListMessageKnown()) {
+			history->requestChatListMessage();
+		}
 	}
 }