tdesktop/Telegram/SourceFiles/api/api_user_names.h

64 lines
1.4 KiB
C++

/*
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 "data/data_user_names.h"
#include "mtproto/sender.h"
class ApiWrap;
class PeerData;
namespace Main {
class Session;
} // namespace Main
namespace Api {
class Usernames final {
public:
enum class Error {
TooMuch,
Unknown,
};
explicit Usernames(not_null<ApiWrap*> api);
[[nodiscard]] rpl::producer<Data::Usernames> loadUsernames(
not_null<PeerData*> peer) const;
[[nodiscard]] rpl::producer<rpl::no_value, Error> toggle(
not_null<PeerData*> peer,
const QString &username,
bool active);
[[nodiscard]] rpl::producer<> reorder(
not_null<PeerData*> peer,
const std::vector<QString> &usernames);
void requestToCache(not_null<PeerData*> peer);
[[nodiscard]] Data::Usernames cacheFor(PeerId id);
static Data::Usernames FromTL(const MTPVector<MTPUsername> &usernames);
private:
const not_null<Main::Session*> _session;
MTP::Sender _api;
using Key = PeerId;
struct Entry final {
rpl::event_stream<rpl::no_value, Error> done;
std::vector<QString> usernames;
};
base::flat_map<Key, Entry> _toggleRequests;
base::flat_map<Key, mtpRequestId> _reorderRequests;
// Used for a seamless display of usernames list.
std::pair<Key, Data::Usernames> _tinyCache;
};
} // namespace Api