64 lines
1.4 KiB
C++
64 lines
1.4 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "data/data_user_names.h"
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#include "mtproto/sender.h"
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class ApiWrap;
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class PeerData;
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namespace Main {
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class Session;
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} // namespace Main
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namespace Api {
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class Usernames final {
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public:
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enum class Error {
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TooMuch,
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Unknown,
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};
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explicit Usernames(not_null<ApiWrap*> api);
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[[nodiscard]] rpl::producer<Data::Usernames> loadUsernames(
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not_null<PeerData*> peer) const;
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[[nodiscard]] rpl::producer<rpl::no_value, Error> toggle(
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not_null<PeerData*> peer,
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const QString &username,
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bool active);
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[[nodiscard]] rpl::producer<> reorder(
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not_null<PeerData*> peer,
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const std::vector<QString> &usernames);
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void requestToCache(not_null<PeerData*> peer);
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[[nodiscard]] Data::Usernames cacheFor(PeerId id);
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static Data::Usernames FromTL(const MTPVector<MTPUsername> &usernames);
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private:
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const not_null<Main::Session*> _session;
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MTP::Sender _api;
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using Key = PeerId;
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struct Entry final {
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rpl::event_stream<rpl::no_value, Error> done;
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std::vector<QString> usernames;
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};
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base::flat_map<Key, Entry> _toggleRequests;
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base::flat_map<Key, mtpRequestId> _reorderRequests;
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// Used for a seamless display of usernames list.
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std::pair<Key, Data::Usernames> _tinyCache;
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};
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} // namespace Api
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