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Telegram/SourceFiles/data/components/factchecks.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 HistoryItem;
+struct HistoryMessageFactcheck;
+
+namespace HistoryView {
+class Message;
+class WebPage;
+} // namespace HistoryView
+
+namespace Main {
+class Session;
+} // namespace Main
+
+namespace Ui {
+class Show;
+} // namespace Ui
+
+namespace Data {
+
+class Factchecks final {
+public:
+	explicit Factchecks(not_null<Main::Session*> session);
+
+	void requestFor(not_null<HistoryItem*> item);
+	[[nodiscard]] std::unique_ptr<HistoryView::WebPage> makeMedia(
+		not_null<HistoryView::Message*> view,
+		not_null<HistoryMessageFactcheck*> factcheck);
+
+	[[nodiscard]] bool canEdit(not_null<HistoryItem*> item) const;
+	[[nodiscard]] int lengthLimit() const;
+
+	void save(
+		FullMsgId itemId,
+		TextWithEntities text,
+		Fn<void(QString)> done);
+	void save(
+		FullMsgId itemId,
+		const TextWithEntities &was,
+		TextWithEntities text,
+		std::shared_ptr<Ui::Show> show);
+
+private:
+	[[nodiscard]] bool canEdit() const;
+
+	void subscribeIfNotYet();
+	void request();
+
+	const not_null<Main::Session*> _session;
+
+	base::Timer _requestTimer;
+	base::flat_set<not_null<HistoryItem*>> _pending;
+	std::vector<HistoryItem*> _requested;
+	mtpRequestId _requestId = 0;
+	bool _subscribed = false;
+
+	rpl::lifetime _lifetime;
+
+};
+
+} // namespace Data