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Telegram/SourceFiles/support/support_helper.h

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+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "base/timer.h"
+#include "support/support_templates.h"
+#include "mtproto/sender.h"
+
+class History;
+
+namespace Main {
+class Session;
+} // namespace Main
+
+namespace Window {
+class SessionController;
+} // namespace Window
+
+namespace Support {
+
+struct UserInfo {
+	QString author;
+	TimeId date = 0;
+	TextWithEntities text;
+};
+
+inline bool operator==(const UserInfo &a, const UserInfo &b) {
+	return (a.author == b.author)
+		&& (a.date == b.date)
+		&& (a.text == b.text);
+}
+
+inline bool operator!=(const UserInfo &a, const UserInfo &b) {
+	return !(a == b);
+}
+
+class Helper final {
+public:
+	explicit Helper(not_null<Main::Session*> session);
+
+	static std::unique_ptr<Helper> Create(not_null<Main::Session*> session);
+	static void CheckIfLost(not_null<Window::SessionController*> controller);
+
+	void registerWindow(not_null<Window::SessionController*> controller);
+	void cloudDraftChanged(not_null<History*> history);
+
+	void chatOccupiedUpdated(not_null<History*> history);
+
+	[[nodiscard]] bool isOccupiedByMe(History *history) const;
+	[[nodiscard]] bool isOccupiedBySomeone(History *history) const;
+
+	void refreshInfo(not_null<UserData*> user);
+	[[nodiscard]] rpl::producer<UserInfo> infoValue(
+		not_null<UserData*> user) const;
+	[[nodiscard]] rpl::producer<QString> infoLabelValue(
+		not_null<UserData*> user) const;
+	[[nodiscard]] rpl::producer<TextWithEntities> infoTextValue(
+		not_null<UserData*> user) const;
+	[[nodiscard]] UserInfo infoCurrent(not_null<UserData*> user) const;
+	void editInfo(
+		not_null<Window::SessionController*> controller,
+		not_null<UserData*> user);
+
+	Templates &templates();
+
+private:
+	struct SavingInfo {
+		TextWithEntities data;
+		mtpRequestId requestId = 0;
+	};
+	void checkOccupiedChats();
+	void updateOccupiedHistory(
+		not_null<Window::SessionController*> controller,
+		History *history);
+	void setSupportName(const QString &name);
+	void occupyIfNotYet();
+	void occupyInDraft();
+	void reoccupy();
+
+	void applyInfo(
+		not_null<UserData*> user,
+		const MTPhelp_UserInfo &result);
+	void showEditInfoBox(
+		not_null<Window::SessionController*> controller,
+		not_null<UserData*> user);
+	void saveInfo(
+		not_null<UserData*> user,
+		TextWithEntities text,
+		Fn<void(bool success)> done);
+
+	static bool ShouldUse(not_null<Main::Session*> session);
+
+	const not_null<Main::Session*> _session;
+	MTP::Sender _api;
+	Templates _templates;
+	QString _supportName;
+	QString _supportNameNormalized;
+
+	History *_occupiedHistory = nullptr;
+	base::Timer _reoccupyTimer;
+	base::Timer _checkOccupiedTimer;
+	base::flat_map<not_null<History*>, TimeId> _occupiedChats;
+
+	base::flat_map<not_null<UserData*>, UserInfo> _userInformation;
+	base::flat_map<
+		not_null<UserData*>,
+		base::weak_ptr<Window::SessionController>> _userInfoEditPending;
+	base::flat_map<not_null<UserData*>, SavingInfo> _userInfoSaving;
+
+	rpl::lifetime _lifetime;
+
+};
+
+class FastButtonsBots final {
+public:
+	explicit FastButtonsBots(not_null<Main::Session*> session);
+
+	[[nodiscard]] bool enabled(not_null<PeerData*> peer) const;
+	[[nodiscard]] rpl::producer<bool> enabledValue(
+		not_null<PeerData*> peer) const;
+	void setEnabled(not_null<PeerData*> peer, bool value);
+
+private:
+	void write();
+	void read();
+
+	const not_null<Main::Session*> _session;
+
+	base::flat_set<PeerId> _bots;
+	rpl::event_stream<PeerId> _changes;
+	bool _read = false;
+
+};
+
+QString ChatOccupiedString(not_null<History*> history);
+
+QString InterpretSendPath(
+	not_null<Window::SessionController*> window,
+	const QString &path);
+
+} // namespace Support