From 24a67cb67c92ef48ab78c96bcc4f69b85dd84634 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Fri, 30 Dec 2022 04:00:52 +0300
Subject: [PATCH] Send typings to General topic by default in forums.

---
 td/telegram/MessagesManager.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/td/telegram/MessagesManager.cpp b/td/telegram/MessagesManager.cpp
index 6c71b60ce..9acd44c29 100644
--- a/td/telegram/MessagesManager.cpp
+++ b/td/telegram/MessagesManager.cpp
@@ -33978,6 +33978,10 @@ void MessagesManager::send_dialog_action(DialogId dialog_id, MessageId top_threa
     return promise.set_error(Status::Error(400, "Invalid message thread specified"));
   }
 
+  if (is_forum_channel(dialog_id) && !top_thread_message_id.is_valid()) {
+    top_thread_message_id = MessageId(ServerMessageId(1));
+  }
+
   tl_object_ptr<telegram_api::InputPeer> input_peer;
   if (action == DialogAction::get_speaking_action()) {
     input_peer = get_input_peer(dialog_id, AccessRights::Read);