Apply short topic info from channelMessages.

Telegram/SourceFiles/data/data_channel.cpp

@@ -83,7 +83,6 @@ std::unique_ptr<Data::Forum> MegagroupInfo::takeForumData() {
 		return result;
 	}
 	return nullptr;
-
 }
 
 ChannelData::ChannelData(not_null<Data::Session*> owner, PeerId id)
@@ -876,6 +875,12 @@ const Data::AllowedReactions &ChannelData::allowedReactions() const {
 	return _allowedReactions;
 }
 
+void ChannelData::processTopics(const MTPVector<MTPForumTopic> &topics) {
+	if (const auto forum = this->forum()) {
+		forum->applyReceivedTopics(topics);
+	}
+}
+
 namespace Data {
 
 void ApplyMigration(

Telegram/SourceFiles/data/data_channel.h

@@ -437,6 +437,8 @@ public:
 		return mgInfo ? mgInfo->forum() : nullptr;
 	}
 
+	void processTopics(const MTPVector<MTPForumTopic> &topics);
+
 	// Still public data members.
 	uint64 access = 0;
 

Telegram/SourceFiles/data/data_forum.cpp

@@ -204,7 +204,16 @@ void Forum::applyReceivedTopics(
 	owner().processChats(data.vchats());
 	owner().processMessages(data.vmessages(), NewMessageType::Existing);
 	channel()->ptsReceived(data.vpts().v);
-	const auto &list = data.vtopics().v;
+	applyReceivedTopics(data.vtopics(), std::move(callback));
+	if (!_staleRootIds.empty()) {
+		requestSomeStale();
+	}
+}
+
+void Forum::applyReceivedTopics(
+		const MTPVector<MTPForumTopic> &topics,
+		Fn<void(not_null<ForumTopic*>)> callback) {
+	const auto &list = topics.v;
 	for (const auto &topic : list) {
 		const auto rootId = topic.match([&](const auto &data) {
 			return data.vid().v;
@@ -235,9 +244,6 @@ void Forum::applyReceivedTopics(
 			}
 		});
 	}
-	if (!_staleRootIds.empty()) {
-		requestSomeStale();
-	}
 }
 
 void Forum::requestSomeStale() {

Telegram/SourceFiles/data/data_forum.h

@@ -74,6 +74,9 @@ public:
 	void applyReceivedTopics(
 		const MTPmessages_ForumTopics &topics,
 		Fn<void(not_null<ForumTopic*>)> callback = nullptr);
+	void applyReceivedTopics(
+		const MTPVector<MTPForumTopic> &topics,
+		Fn<void(not_null<ForumTopic*>)> callback = nullptr);
 
 	[[nodiscard]] MsgId reserveCreatingId(
 		const QString &title,

Telegram/SourceFiles/data/data_forum_topic.cpp

@@ -296,6 +296,8 @@ void ForumTopic::readTillEnd() {
 void ForumTopic::applyTopic(const MTPDforumTopic &data) {
 	Expects(_rootId == data.vid().v);
 
+	const auto min = data.is_short();
+
 	applyCreator(peerFromMTP(data.vfrom_id()));
 	applyCreationDate(data.vdate().v);
 
@@ -307,32 +309,38 @@ void ForumTopic::applyTopic(const MTPDforumTopic &data) {
 	}
 	applyColorId(data.vicon_color().v);
 
-	if (data.is_pinned()) {
-		owner().setChatPinned(this, 0, true);
-	} else {
-		_list->pinned()->setPinned(this, false);
-	}
-
-	owner().notifySettings().apply(this, data.vnotify_settings());
-
-	const auto draft = data.vdraft();
-	if (draft && draft->type() == mtpc_draftMessage) {
-		Data::ApplyPeerCloudDraft(
-			&session(),
-			channel()->id,
-			_rootId,
-			draft->c_draftMessage());
-	}
 	applyIsMy(data.is_my());
 	setClosed(data.is_closed());
 
-	_replies->setInboxReadTill(
-		data.vread_inbox_max_id().v,
-		data.vunread_count().v);
-	_replies->setOutboxReadTill(data.vread_outbox_max_id().v);
-	applyTopicTopMessage(data.vtop_message().v);
-	unreadMentions().setCount(data.vunread_mentions_count().v);
-	unreadReactions().setCount(data.vunread_reactions_count().v);
+	if (min) {
+		int a = 0;
+	} else {
+		if (data.is_pinned()) {
+			owner().setChatPinned(this, 0, true);
+		} else {
+			_list->pinned()->setPinned(this, false);
+		}
+
+		owner().notifySettings().apply(this, data.vnotify_settings());
+
+		if (const auto draft = data.vdraft()) {
+			draft->match([&](const MTPDdraftMessage &data) {
+				Data::ApplyPeerCloudDraft(
+					&session(),
+					channel()->id,
+					_rootId,
+					data);
+			}, [](const MTPDdraftMessageEmpty&) {});
+		}
+
+		_replies->setInboxReadTill(
+			data.vread_inbox_max_id().v,
+			data.vunread_count().v);
+		_replies->setOutboxReadTill(data.vread_outbox_max_id().v);
+		applyTopicTopMessage(data.vtop_message().v);
+		unreadMentions().setCount(data.vunread_mentions_count().v);
+		unreadReactions().setCount(data.vunread_reactions_count().v);
+	}
 }
 
 void ForumTopic::applyCreator(PeerId creatorId) {

Telegram/SourceFiles/data/data_replies_list.cpp

@@ -661,25 +661,6 @@ void RepliesList::loadAfter() {
 bool RepliesList::processMessagesIsEmpty(const MTPmessages_Messages &result) {
 	const auto guard = gsl::finally([&] { _listChanges.fire({}); });
 
-	const auto fullCount = result.match([&](
-			const MTPDmessages_messagesNotModified &) {
-		LOG(("API Error: received messages.messagesNotModified! "
-			"(HistoryWidget::messagesReceived)"));
-		return 0;
-	}, [&](const MTPDmessages_messages &data) {
-		return int(data.vmessages().v.size());
-	}, [&](const MTPDmessages_messagesSlice &data) {
-		return data.vcount().v;
-	}, [&](const MTPDmessages_channelMessages &data) {
-		if (_history->peer->isChannel()) {
-			_history->peer->asChannel()->ptsReceived(data.vpts().v);
-		} else {
-			LOG(("API Error: received messages.channelMessages when "
-				"no channel was passed! (HistoryWidget::messagesReceived)"));
-		}
-		return data.vcount().v;
-	});
-
 	auto &owner = _history->owner();
 	const auto list = result.match([&](
 			const MTPDmessages_messagesNotModified &) {
@@ -691,6 +672,27 @@ bool RepliesList::processMessagesIsEmpty(const MTPmessages_Messages &result) {
 		owner.processChats(data.vchats());
 		return data.vmessages().v;
 	});
+
+	const auto fullCount = result.match([&](
+			const MTPDmessages_messagesNotModified &) {
+		LOG(("API Error: received messages.messagesNotModified! "
+			"(HistoryWidget::messagesReceived)"));
+		return 0;
+	}, [&](const MTPDmessages_messages &data) {
+		return int(data.vmessages().v.size());
+	}, [&](const MTPDmessages_messagesSlice &data) {
+		return data.vcount().v;
+	}, [&](const MTPDmessages_channelMessages &data) {
+		if (const auto channel = _history->peer->asChannel()) {
+			channel->ptsReceived(data.vpts().v);
+			channel->processTopics(data.vtopics());
+		} else {
+			LOG(("API Error: received messages.channelMessages when "
+				"no channel was passed! (HistoryWidget::messagesReceived)"));
+		}
+		return data.vcount().v;
+	});
+
 	if (list.isEmpty()) {
 		return true;
 	}

Telegram/SourceFiles/data/data_search_controller.cpp

@@ -137,9 +137,10 @@ SearchResult ParseSearchResult(
 		} break;
 
 		case mtpc_messages_channelMessages: {
-			auto &d = data.c_messages_channelMessages();
-			if (auto channel = peer->asChannel()) {
+			const auto &d = data.c_messages_channelMessages();
+			if (const auto channel = peer->asChannel()) {
 				channel->ptsReceived(d.vpts().v);
+				channel->processTopics(d.vtopics());
 			} else {
 				LOG(("API Error: received messages.channelMessages when "
 					"no channel was passed! (ParseSearchResult)"));

Telegram/SourceFiles/data/data_session.cpp

@@ -2155,6 +2155,7 @@ void Session::processExistingMessages(
 	data.match([&](const MTPDmessages_channelMessages &data) {
 		if (channel) {
 			channel->ptsReceived(data.vpts().v);
+			channel->processTopics(data.vtopics());
 		} else {
 			LOG(("App Error: received messages.channelMessages!"));
 		}

Telegram/SourceFiles/data/data_web_page.cpp

@@ -295,6 +295,7 @@ void WebPageData::ApplyChanges(
 			const MTPDmessages_channelMessages &data) {
 		if (channel) {
 			channel->ptsReceived(data.vpts().v);
+			channel->processTopics(data.vtopics());
 		} else {
 			LOG(("API Error: received messages.channelMessages "
 				"when no channel was passed! (WebPageData::ApplyChanges)"));