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Telegram/SourceFiles/api/api_chat_links.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
+
+class ApiWrap;
+
+namespace Api {
+
+struct ChatLink {
+	QString link;
+	QString title;
+	TextWithEntities message;
+	int clicks = 0;
+};
+
+struct ChatLinkUpdate {
+	QString was;
+	std::optional<ChatLink> now;
+};
+
+class ChatLinks final {
+public:
+	explicit ChatLinks(not_null<ApiWrap*> api);
+
+	using Link = ChatLink;
+	using Update = ChatLinkUpdate;
+
+	void create(
+		const QString &title,
+		const TextWithEntities &message,
+		Fn<void(Link)> done = nullptr);
+	void edit(
+		const QString &link,
+		const QString &title,
+		const TextWithEntities &message,
+		Fn<void(Link)> done = nullptr);
+	void destroy(
+		const QString &link,
+		Fn<void()> done = nullptr);
+
+	void preload();
+	[[nodiscard]] const std::vector<ChatLink> &list() const;
+	[[nodiscard]] bool loaded() const;
+	[[nodiscard]] rpl::producer<> loadedUpdates() const;
+	[[nodiscard]] rpl::producer<Update> updates() const;
+
+private:
+	const not_null<ApiWrap*> _api;
+
+	std::vector<Link> _list;
+	rpl::event_stream<> _loadedUpdates;
+	mtpRequestId _requestId = 0;
+	bool _loaded = false;
+
+	rpl::event_stream<Update> _updates;
+
+};
+
+} // namespace Api