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Telegram/SourceFiles/data/components/promo_suggestions.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"
+
+class History;
+
+namespace Main {
+class Session;
+} // namespace Main
+
+namespace Data {
+
+enum class SetupEmailState {
+	None,
+	Setup,
+	SetupNoSkip,
+	SettingUp,
+	SettingUpNoSkip,
+};
+
+struct CustomSuggestion final {
+	QString suggestion;
+	TextWithEntities title;
+	TextWithEntities description;
+	QString url;
+
+	friend inline auto operator<=>(
+		const CustomSuggestion &,
+		const CustomSuggestion &) = default;
+};
+
+class PromoSuggestions final {
+public:
+	explicit PromoSuggestions(
+		not_null<Main::Session*> session,
+		Fn<void()> firstPromoLoaded = nullptr);
+	~PromoSuggestions();
+
+	[[nodiscard]] bool current(const QString &key) const;
+	[[nodiscard]] std::optional<CustomSuggestion> custom() const;
+	[[nodiscard]] rpl::producer<> requested(const QString &key) const;
+	void dismiss(const QString &key);
+	void dismissSetupEmail(Fn<void()> done);
+
+	void refreshTopPromotion();
+
+	void invalidate();
+
+	rpl::producer<> value() const;
+	// Create rpl::producer<> refreshed() const; on memand.
+
+	void requestContactBirthdays(Fn<void()> done, bool force = false);
+	[[nodiscard]] auto knownContactBirthdays() const
+		-> std::optional<std::vector<UserId>>;
+	[[nodiscard]] auto knownBirthdaysToday() const
+		-> std::optional<std::vector<UserId>>;
+
+	[[nodiscard]] static QString SugValidatePassword();
+
+	void setSetupEmailState(SetupEmailState state);
+	[[nodiscard]] SetupEmailState setupEmailState() const;
+	[[nodiscard]] rpl::producer<SetupEmailState> setupEmailStateValue() const;
+
+private:
+	void setTopPromoted(
+		History *promoted,
+		const QString &type,
+		const QString &message);
+
+	void topPromotionDelayed(TimeId now, TimeId next);
+
+	const not_null<Main::Session*> _session;
+	base::flat_set<QString> _dismissedSuggestions;
+	std::vector<QString> _pendingSuggestions;
+	std::optional<CustomSuggestion> _custom;
+
+	History *_topPromoted = nullptr;
+
+	mtpRequestId _contactBirthdaysRequestId = 0;
+	int _contactBirthdaysLastDayRequest = -1;
+	std::vector<UserId> _contactBirthdays;
+	std::vector<UserId> _contactBirthdaysToday;
+
+	mtpRequestId _topPromotionRequestId = 0;
+	std::pair<QString, uint32> _topPromotionKey;
+	TimeId _topPromotionNextRequestTime = TimeId(0);
+	base::Timer _topPromotionTimer;
+
+	SetupEmailState _setupEmailState = SetupEmailState::None;
+
+	rpl::event_stream<> _refreshed;
+	rpl::event_stream<SetupEmailState> _setupEmailStateChanges;
+
+	Fn<void()> _firstPromoLoaded;
+
+	rpl::lifetime _lifetime;
+
+};
+
+} // namespace Data