Correctly track General editing service messages.

Telegram/SourceFiles/data/data_forum_topic.cpp

@@ -435,6 +435,18 @@ void ForumTopic::setClosedAndSave(bool closed) {
 	}).send();
 }
 
+bool ForumTopic::hidden() const {
+	return (_flags & Flag::Hidden);
+}
+
+void ForumTopic::setHidden(bool hidden) {
+	if (hidden) {
+		_flags |= Flag::Hidden;
+	} else {
+		_flags &= ~Flag::Hidden;
+	}
+}
+
 void ForumTopic::indexTitleParts() {
 	_titleWords.clear();
 	_titleFirstLetters.clear();

Telegram/SourceFiles/data/data_forum_topic.h

@@ -91,6 +91,9 @@ public:
 	void setClosed(bool closed);
 	void setClosedAndSave(bool closed);
 
+	[[nodiscard]] bool hidden() const;
+	void setHidden(bool hidden);
+
 	[[nodiscard]] bool creating() const;
 	void discard();
 
@@ -162,10 +165,11 @@ public:
 private:
 	enum class Flag : uchar {
 		Closed = (1 << 0),
-		My = (1 << 1),
-		HasPinnedMessages = (1 << 2),
-		GeneralIconActive = (1 << 3),
-		GeneralIconSelected = (1 << 4),
+		Hidden = (1 << 1),
+		My = (1 << 2),
+		HasPinnedMessages = (1 << 3),
+		GeneralIconActive = (1 << 4),
+		GeneralIconSelected = (1 << 5),
 	};
 	friend inline constexpr bool is_flag_type(Flag) { return true; }
 	using Flags = base::flags<Flag>;

Telegram/SourceFiles/history/history.cpp

@@ -1216,6 +1216,9 @@ void History::applyServiceChanges(
 			if (const auto closed = data.vclosed()) {
 				topic->setClosed(mtpIsTrue(*closed));
 			}
+			if (const auto hidden = data.vhidden()) {
+				topic->setHidden(mtpIsTrue(*hidden));
+			}
 		}
 	}, [](const auto &) {
 	});

Telegram/SourceFiles/history/history_service.cpp

@@ -1343,8 +1343,10 @@ MsgId HistoryService::topicRootId() const {
 	if (const auto data = GetDependentData()
 		; data && data->topicPost && data->topId) {
 		return data->topId;
-	} else if (Has<HistoryServiceTopicInfo>()) {
-		return id;
+	} else if (const auto info = Get<HistoryServiceTopicInfo>()) {
+		if (info->created()) {
+			return id;
+		}
 	}
 	return Data::ForumTopic::kGeneralId;
 }
@@ -1514,6 +1516,10 @@ void HistoryService::createFromMtp(const MTPDmessageService &message) {
 				info->closed = mtpIsTrue(*closed);
 				info->reopened = !info->closed;
 			}
+			if (const auto hidden = data.vhidden()) {
+				info->hidden = mtpIsTrue(*hidden);
+				info->unhidden = !info->hidden;
+			}
 		} else {
 			const auto &data = action.c_messageActionTopicCreate();
 			info->title = qs(data.vtitle());

Telegram/SourceFiles/history/history_service.h

@@ -36,6 +36,17 @@ struct HistoryServiceTopicInfo
 	bool reopened = false;
 	bool reiconed = false;
 	bool renamed = false;
+	bool hidden = false;
+	bool unhidden = false;
+
+	[[nodiscard]] bool created() const {
+		return !closed
+			&& !reopened
+			&& !reiconed
+			&& !renamed
+			&& !hidden
+			&& !unhidden;
+	}
 };
 
 struct HistoryServiceGameScore