112 lines
2.7 KiB
C++
112 lines
2.7 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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#include "api/api_messages_search_merged.h"
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#include "history/history.h"
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namespace Api {
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bool MessagesSearchMerged::RequestCompare::operator()(
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const Request &a,
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const Request &b) const {
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return (a.query < b.query) && (a.from < b.from);
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}
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MessagesSearchMerged::MessagesSearchMerged(not_null<History*> history)
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: _apiSearch(history) {
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if (const auto migrated = history->migrateFrom()) {
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_migratedSearch.emplace(migrated);
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}
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const auto checkWaitingForTotal = [=] {
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if (_waitingForTotal) {
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if (_concatedFound.total >= 0 && _migratedFirstFound.total >= 0) {
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_waitingForTotal = false;
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_concatedFound.total += _migratedFirstFound.total;
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_newFounds.fire({});
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}
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} else {
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_newFounds.fire({});
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}
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};
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const auto checkFull = [=](const FoundMessages &data) {
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if (data.total == int(_concatedFound.messages.size())) {
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_isFull = true;
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addFound(_migratedFirstFound);
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}
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};
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_apiSearch.messagesFounds(
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) | rpl::start_with_next([=](const FoundMessages &data) {
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if (data.nextToken == _concatedFound.nextToken) {
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addFound(data);
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checkFull(data);
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_nextFounds.fire({});
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} else {
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_concatedFound = data;
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checkFull(data);
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checkWaitingForTotal();
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}
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}, _lifetime);
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if (_migratedSearch) {
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_migratedSearch->messagesFounds(
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) | rpl::start_with_next([=](const FoundMessages &data) {
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if (_isFull) {
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addFound(data);
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}
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if (data.nextToken == _migratedFirstFound.nextToken) {
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_nextFounds.fire({});
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} else {
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_migratedFirstFound = data;
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checkWaitingForTotal();
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}
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}, _lifetime);
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}
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}
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void MessagesSearchMerged::addFound(const FoundMessages &data) {
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for (const auto &message : data.messages) {
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_concatedFound.messages.push_back(message);
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}
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}
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const FoundMessages &MessagesSearchMerged::messages() const {
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return _concatedFound;
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}
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void MessagesSearchMerged::clear() {
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_concatedFound = {};
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_migratedFirstFound = {};
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}
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void MessagesSearchMerged::search(const Request &search) {
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if (_migratedSearch) {
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_waitingForTotal = true;
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_migratedSearch->searchMessages(search.query, search.from);
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}
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_apiSearch.searchMessages(search.query, search.from);
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}
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void MessagesSearchMerged::searchMore() {
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if (_migratedSearch && _isFull) {
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_migratedSearch->searchMore();
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} else {
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_apiSearch.searchMore();
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}
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}
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rpl::producer<> MessagesSearchMerged::newFounds() const {
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return _newFounds.events();
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}
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rpl::producer<> MessagesSearchMerged::nextFounds() const {
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return _nextFounds.events();
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}
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} // namespace Api
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