From b96cd0c6250570ec58eda0e7c534bd39c62418a1 Mon Sep 17 00:00:00 2001
From: George Hazan <george.hazan@gmail.com>
Date: Sat, 9 Dec 2023 20:01:34 +0300
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---
 protocols/Telegram/src/groupchat.cpp | 23 +++++++++++++++--------
 protocols/Telegram/src/proto.cpp     | 18 ++++++++++++------
 protocols/Telegram/src/proto.h       |  3 ++-
 3 files changed, 29 insertions(+), 15 deletions(-)

diff --git a/protocols/Telegram/src/groupchat.cpp b/protocols/Telegram/src/groupchat.cpp
index 99198d452e..e63f633b9c 100644
--- a/protocols/Telegram/src/groupchat.cpp
+++ b/protocols/Telegram/src/groupchat.cpp
@@ -244,20 +244,27 @@ void CTelegramProto::Chat_LogMenu(GCHOOK *gch)
 	}
 }
 
-INT_PTR CTelegramProto::SvcLeaveChat(WPARAM hContact, LPARAM)
+/////////////////////////////////////////////////////////////////////////////////////////
+
+void CTelegramProto::OnLeaveChat(td::ClientManager::Response &, void *pUserInfo)
 {
-	int64_t id = GetId(hContact);
-	if (auto *pUser = FindUser(id)) {
-		pUser->m_si = nullptr;
-		SendQuery(new TD::leaveChat(pUser->chatId));
-	}
+	auto *pUser = (TG_USER *)pUserInfo;
 
 	wchar_t wszId[100];
-	_i64tow(id, wszId, 10);
+	_i64tow(pUser->id, wszId, 10);
 	if (auto *si = Chat_Find(wszId, m_szModuleName))
 		Chat_Terminate(si);
 
-	db_delete_contact(hContact);
+	db_delete_contact(pUser->hContact);
+}
+
+INT_PTR CTelegramProto::SvcLeaveChat(WPARAM hContact, LPARAM)
+{
+	int64_t id = GetId(hContact);
+	if (auto *pUser = FindUser(id)) {
+		pUser->m_si = nullptr;
+		SendQuery(new TD::leaveChat(pUser->chatId), &CTelegramProto::OnLeaveChat, pUser);
+	}
 	return 0;
 }
 
diff --git a/protocols/Telegram/src/proto.cpp b/protocols/Telegram/src/proto.cpp
index e112712128..8d15a38f33 100644
--- a/protocols/Telegram/src/proto.cpp
+++ b/protocols/Telegram/src/proto.cpp
@@ -116,22 +116,28 @@ void CTelegramProto::OnContactAdded(MCONTACT hContact)
 	}
 }
 
-void CTelegramProto::OnContactDeleted(MCONTACT hContact)
+bool CTelegramProto::OnContactDeleted(MCONTACT hContact)
 {
 	TD::int53 id = GetId(hContact);
 	if (id == 0)
-		return;
-
-	TD::array<TD::int53> ids;
-	ids.push_back(id);
-	SendQuery(new TD::removeContacts(std::move(ids)));
+		return false;
 
 	if (auto *pUser = FindUser(id)) {
+		if (pUser->m_si) {
+			SvcLeaveChat(hContact, 0);
+			return false;
+		}
+
 		pUser->hContact = INVALID_CONTACT_ID;
 		pUser->wszNick = getMStringW(hContact, "Nick");
 		pUser->wszFirstName = getMStringW(hContact, "FirstName");
 		pUser->wszLastName = getMStringW(hContact, "LastName");
 	}
+
+	TD::array<TD::int53> ids;
+	ids.push_back(id);
+	SendQuery(new TD::removeContacts(std::move(ids)));
+	return true;
 }
 
 int CTelegramProto::OnEmptyHistory(WPARAM hContact, LPARAM)
diff --git a/protocols/Telegram/src/proto.h b/protocols/Telegram/src/proto.h
index 4edce9f591..a4f8520abf 100644
--- a/protocols/Telegram/src/proto.h
+++ b/protocols/Telegram/src/proto.h
@@ -227,6 +227,7 @@ class CTelegramProto : public PROTO<CTelegramProto>
 	void OnGetHistory(td::ClientManager::Response &response, void *pUserInfo);
 	void OnGetSessions(td::ClientManager::Response &response, void *pUserInfo);
 	void OnKillSession(td::ClientManager::Response &response, void *pUserInfo);
+	void OnLeaveChat(td::ClientManager::Response &response, void *pUserInfo);
 	void OnSendFile(td::ClientManager::Response &response, void *pUserInfo);
 	void OnSendMessage(td::ClientManager::Response &response);
 	void OnUpdateAuth(td::ClientManager::Response &response);
@@ -366,7 +367,7 @@ public:
 		
 	void     OnBuildProtoMenu() override;
 	void     OnContactAdded(MCONTACT hContact) override;
-	void     OnContactDeleted(MCONTACT hContact) override;
+	bool     OnContactDeleted(MCONTACT hContact) override;
 	MWindow  OnCreateAccMgrUI(MWindow hwndParent) override;
 	void     OnErase() override;
 	void     OnEventDeleted(MCONTACT, MEVENT) override;
-- 
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