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Telegram/SourceFiles/data/components/credits.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
+
+namespace Main {
+class Session;
+} // namespace Main
+
+namespace Data {
+
+class Credits final {
+public:
+	explicit Credits(not_null<Main::Session*> session);
+	~Credits();
+
+	void load(bool force = false);
+	[[nodiscard]] bool loaded() const;
+	[[nodiscard]] rpl::producer<bool> loadedValue() const;
+	[[nodiscard]] CreditsAmount balance() const;
+	[[nodiscard]] CreditsAmount balance(PeerId peerId) const;
+	[[nodiscard]] rpl::producer<CreditsAmount> balanceValue() const;
+	[[nodiscard]] float64 usdRate() const;
+	[[nodiscard]] rpl::producer<float64> rateValue(
+		not_null<PeerData*> ownedBotOrChannel);
+
+	[[nodiscard]] rpl::producer<> refreshedByPeerId(PeerId peerId);
+
+	void tonLoad(bool force = false);
+	[[nodiscard]] bool tonLoaded() const;
+	[[nodiscard]] rpl::producer<bool> tonLoadedValue() const;
+	[[nodiscard]] CreditsAmount tonBalance() const;
+	[[nodiscard]] rpl::producer<CreditsAmount> tonBalanceValue() const;
+
+	void apply(CreditsAmount balance);
+	void apply(PeerId peerId, CreditsAmount balance);
+
+	[[nodiscard]] bool statsEnabled() const;
+
+	void applyCurrency(PeerId peerId, CreditsAmount balance);
+	[[nodiscard]] CreditsAmount balanceCurrency(PeerId peerId) const;
+
+	void lock(CreditsAmount count);
+	void unlock(CreditsAmount count);
+	void withdrawLocked(CreditsAmount count);
+	void invalidate();
+
+	void apply(const MTPDupdateStarsBalance &data);
+
+private:
+	void updateNonLockedValue();
+
+	const not_null<Main::Session*> _session;
+
+	std::unique_ptr<rpl::lifetime> _loader;
+
+	base::flat_map<PeerId, CreditsAmount> _cachedPeerBalances;
+	base::flat_map<PeerId, CreditsAmount> _cachedPeerCurrencyBalances;
+
+	CreditsAmount _balance;
+	CreditsAmount _locked;
+	rpl::variable<CreditsAmount> _nonLockedBalance;
+	rpl::event_stream<> _loadedChanges;
+	crl::time _lastLoaded = 0;
+	float64 _rate = 0.;
+
+	rpl::variable<CreditsAmount> _tonBalance;
+	rpl::event_stream<> _tonLoadedChanges;
+	crl::time _tonLastLoaded = false;
+	mtpRequestId _tonRequestId = 0;
+
+	bool _statsEnabled = false;
+
+	rpl::event_stream<PeerId> _refreshedByPeerId;
+
+	SingleQueuedInvokation _reload;
+
+};
+
+} // namespace Data