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77 lines
1.9 KiB
C++
77 lines
1.9 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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namespace Main {
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class Session;
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} // namespace Main
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namespace Api {
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namespace details {
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struct SingleMessageSearchKey {
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QString domainOrId;
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MsgId postId = 0;
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[[nodiscard]] bool empty() const {
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return domainOrId.isEmpty() || !postId;
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}
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[[nodiscard]] explicit operator bool() const {
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return !empty();
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}
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[[nodiscard]] bool operator<(const SingleMessageSearchKey &other) const {
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return std::tie(domainOrId, postId)
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< std::tie(other.domainOrId, other.postId);
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}
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[[nodiscard]] bool operator==(
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const SingleMessageSearchKey &other) const {
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return std::tie(domainOrId, postId)
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== std::tie(other.domainOrId, other.postId);
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}
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};
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} // namespace details
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class SingleMessageSearch {
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public:
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explicit SingleMessageSearch(not_null<Main::Session*> session);
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~SingleMessageSearch();
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void clear();
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// If 'ready' callback is empty, the result must not be 'nullopt'.
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[[nodiscard]] std::optional<HistoryItem*> lookup(
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const QString &query,
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Fn<void()> ready = nullptr);
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private:
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using Key = details::SingleMessageSearchKey;
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[[nodiscard]] std::optional<HistoryItem*> performLookup(
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Fn<void()> ready);
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[[nodiscard]] std::optional<HistoryItem*> performLookupById(
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ChannelId channelId,
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Fn<void()> ready);
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[[nodiscard]] std::optional<HistoryItem*> performLookupByUsername(
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const QString &username,
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Fn<void()> ready);
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[[nodiscard]] std::optional<HistoryItem*> performLookupByChannel(
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not_null<ChannelData*> channel,
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Fn<void()> ready);
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const not_null<Main::Session*> _session;
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std::map<Key, FullMsgId> _cache;
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mtpRequestId _requestId = 0;
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Key _requestKey;
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};
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[[nodiscard]] QString ConvertPeerSearchQuery(const QString &query);
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} // namespace Api
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