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Telegram/SourceFiles/inline_bots/inline_bot_storage.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 "ui/chat/attach/attach_bot_webview.h"
+
+namespace Main {
+class Session;
+} // namespace Main
+
+namespace InlineBots {
+
+class Storage final {
+public:
+	explicit Storage(not_null<Main::Session*> session);
+
+	bool write(
+		PeerId botId,
+		const QString &key,
+		const std::optional<QString> &value);
+	std::optional<QString> read(PeerId botId, const QString &key);
+	void clear(PeerId botId);
+
+private:
+	struct Entry {
+		QString key;
+		QString value;
+	};
+	struct List {
+		base::flat_map<uint64, std::vector<Entry>> data;
+		int keysCount = 0;
+		int totalSize = 0;
+	};
+
+	void saveToDisk(PeerId botId);
+	void readFromDisk(PeerId botId);
+
+	[[nodiscard]] static QByteArray Serialize(const List &list);
+	[[nodiscard]] static List Deserialize(const QByteArray &serialized);
+
+	const not_null<Main::Session*> _session;
+
+	base::flat_map<PeerId, List> _lists;
+
+};
+
+} // namespace InlineBots