f Migrated Api::ChatParticipants from MTP to TDLib.

Telegram/SourceFiles/api/api_chat_participants.cpp

@@ -222,6 +222,7 @@ void ApplyBotsList(
 		Data::PeerUpdate::Flag::FullInfo);
 }
 
+#if 0 // mtp
 [[nodiscard]] ChatParticipants::Channels ParseSimilar(
 		not_null<Main::Session*> session,
 		const MTPmessages_Chats &chats) {
@@ -250,6 +251,34 @@ void ApplyBotsList(
 		const MTPmessages_Chats &chats) {
 	return ParseSimilar(&channel->session(), chats);
 }
+#endif
+
+[[nodiscard]] ChatParticipants::Channels ParseSimilar(
+		not_null<Main::Session*> session,
+		const TLchats &chats) {
+	auto result = ChatParticipants::Channels();
+	const auto &data = chats.data();
+	const auto &list = data.vchat_ids().v;
+	result.list.reserve(list.size());
+	for (const auto chatId : list) {
+		const auto peer = session->data().peer(peerFromTdbChat(chatId));
+		if (const auto channel = peer->asChannel()) {
+			result.list.push_back(channel);
+		}
+	}
+	if (session->premiumPossible()) {
+		result.more = std::max(
+			int(data.vtotal_count().v) - int(data.vchat_ids().v.size()),
+			0);
+	}
+	return result;
+}
+
+[[nodiscard]] ChatParticipants::Channels ParseSimilar(
+		not_null<ChannelData*> channel,
+		const TLchats &chats) {
+	return ParseSimilar(&channel->session(), chats);
+}
 
 } // namespace
 
@@ -614,7 +643,11 @@ void ChatParticipants::add(
 					done(true);
 				}
 			}).fail([=](const Error &error) {
-				ShowAddParticipantsError(error.message, peer, { 1, user });
+				ShowAddParticipantsError(
+					show,
+					error.message,
+					peer,
+					user);
 				if (done) {
 					done(false);
 				}
@@ -666,7 +699,11 @@ void ChatParticipants::add(
 					callback(true);
 				}
 			}).fail([=](const Error &error) {
-				ShowAddParticipantsError(error.message, peer, users);
+				ShowAddParticipantsError(
+					show,
+					error.message,
+					peer,
+					{ .users = users });
 				if (callback) {
 					callback(false);
 				}
@@ -966,12 +1003,17 @@ void ChatParticipants::loadSimilarChannels(not_null<ChannelData*> channel) {
 			return;
 		}
 	}
+#if 0 // mtp
 	using Flag = MTPchannels_GetChannelRecommendations::Flag;
 	_similar[channel].requestId = _api.request(
 		MTPchannels_GetChannelRecommendations(
 			MTP_flags(Flag::f_channel),
 			channel->inputChannel)
 	).done([=](const MTPmessages_Chats &result) {
+#endif
+	_similar[channel].requestId = _api.request(TLgetChatSimilarChats(
+		peerToTdbChat(channel->id)
+	)).done([=](const TLchats &result) {
 		auto &similar = _similar[channel];
 		similar.requestId = 0;
 		auto parsed = ParseSimilar(channel, result);
@@ -1009,6 +1051,15 @@ void ChatParticipants::loadRecommendations() {
 	if (_recommendationsLoaded.current() || _recommendations.requestId) {
 		return;
 	}
+	_recommendations.requestId = _api.request(TLgetRecommendedChats(
+	)).done([=](const TLchats &result) {
+		_recommendations.requestId = 0;
+		auto parsed = ParseSimilar(_session, result);
+		_recommendations.channels = std::move(parsed);
+		_recommendations.channels.more = 0;
+		_recommendationsLoaded = true;
+	}).send();
+#if 0 // mtp
 	_recommendations.requestId = _api.request(
 		MTPchannels_GetChannelRecommendations(
 			MTP_flags(0),
@@ -1020,6 +1071,7 @@ void ChatParticipants::loadRecommendations() {
 		_recommendations.channels.more = 0;
 		_recommendationsLoaded = true;
 	}).send();
+#endif
 }
 
 const ChatParticipants::Channels &ChatParticipants::recommendations() const {