From 2e972fb6784111b7f6496a15b032e16a1dc1e770 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Thu, 30 Nov 2017 15:06:30 +0400
Subject: [PATCH] Hide "Delete for {user}" in chats with bots.

Fixes #3818.
---
 Telegram/SourceFiles/history/history_item.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Telegram/SourceFiles/history/history_item.cpp b/Telegram/SourceFiles/history/history_item.cpp
index 1a7a469cfa..98f67329d0 100644
--- a/Telegram/SourceFiles/history/history_item.cpp
+++ b/Telegram/SourceFiles/history/history_item.cpp
@@ -949,6 +949,12 @@ bool HistoryItem::canDeleteForEveryone(const QDateTime &cur) const {
 	}
 	if (history()->peer->isChannel()) {
 		return false;
+	} else if (auto user = history()->peer->asUser()) {
+		// Bots receive all messages and there is no sense in revoking them.
+		// See https://github.com/telegramdesktop/tdesktop/issues/3818
+		if (user->botInfo) {
+			return false;
+		}
 	}
 	if (!toHistoryMessage()) {
 		return false;