tdesktop/Telegram/SourceFiles/api/api_messages_search.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
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#include "base/qt/qt_compare.h"
#include "data/data_message_reaction_id.h"
class HistoryItem;
class History;
class PeerData;
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namespace Data {
struct ReactionId;
} // namespace Data
namespace Api {
struct FoundMessages {
int total = -1;
MessageIdsList messages;
QString nextToken;
};
class MessagesSearch final {
public:
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struct Request {
QString query;
PeerData *from = nullptr;
std::vector<Data::ReactionId> tags;
friend inline bool operator==(
const Request &,
const Request &) = default;
friend inline auto operator<=>(
const Request &,
const Request &) = default;
};
explicit MessagesSearch(not_null<History*> history);
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~MessagesSearch();
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void searchMessages(Request request);
void searchMore();
[[nodiscard]] rpl::producer<FoundMessages> messagesFounds() const;
private:
using TLMessages = MTPmessages_Messages;
void searchRequest();
void searchReceived(
const TLMessages &result,
mtpRequestId requestId,
const QString &nextToken);
const not_null<History*> _history;
base::flat_map<QString, TLMessages> _cacheOfStartByToken;
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Request _request;
MsgId _offsetId;
int _searchInHistoryRequest = 0; // Not real mtpRequestId.
mtpRequestId _requestId = 0;
rpl::event_stream<FoundMessages> _messagesFounds;
};
} // namespace Api