118 lines
3.6 KiB
C++
118 lines
3.6 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#include "storage/storage_shared_media.h"
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#include <rpl/map.h>
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#include "base/task_queue.h"
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namespace Storage {
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std::map<PeerId, SharedMedia::Lists>::iterator
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SharedMedia::enforceLists(PeerId peer) {
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auto result = _lists.find(peer);
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if (result != _lists.end()) {
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return result;
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}
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result = _lists.emplace(peer, Lists {}).first;
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for (auto index = 0; index != kSharedMediaTypeCount; ++index) {
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auto &list = result->second[index];
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auto type = static_cast<SharedMediaType>(index);
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list.sliceUpdated()
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| rpl::map([=](const SparseIdsSliceUpdate &update) {
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return SharedMediaSliceUpdate(
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peer,
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type,
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update);
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})
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| rpl::start_to_stream(_sliceUpdated, _lifetime);
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}
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return result;
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}
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void SharedMedia::add(SharedMediaAddNew &&query) {
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auto peer = query.peerId;
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auto peerIt = enforceLists(peer);
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for (auto index = 0; index != kSharedMediaTypeCount; ++index) {
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auto type = static_cast<SharedMediaType>(index);
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if (query.types.test(type)) {
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peerIt->second[index].addNew(query.messageId);
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}
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}
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}
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void SharedMedia::add(SharedMediaAddExisting &&query) {
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auto peerIt = enforceLists(query.peerId);
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for (auto index = 0; index != kSharedMediaTypeCount; ++index) {
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auto type = static_cast<SharedMediaType>(index);
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if (query.types.test(type)) {
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peerIt->second[index].addExisting(query.messageId, query.noSkipRange);
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}
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}
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}
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void SharedMedia::add(SharedMediaAddSlice &&query) {
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Expects(IsValidSharedMediaType(query.type));
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auto peerIt = enforceLists(query.peerId);
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auto index = static_cast<int>(query.type);
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peerIt->second[index].addSlice(std::move(query.messageIds), query.noSkipRange, query.count);
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}
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void SharedMedia::remove(SharedMediaRemoveOne &&query) {
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auto peerIt = _lists.find(query.peerId);
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if (peerIt != _lists.end()) {
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for (auto index = 0; index != kSharedMediaTypeCount; ++index) {
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auto type = static_cast<SharedMediaType>(index);
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if (query.types.test(type)) {
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peerIt->second[index].removeOne(query.messageId);
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_oneRemoved.fire(std::move(query));
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}
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}
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}
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}
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void SharedMedia::remove(SharedMediaRemoveAll &&query) {
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auto peerIt = _lists.find(query.peerId);
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if (peerIt != _lists.end()) {
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for (auto index = 0; index != kSharedMediaTypeCount; ++index) {
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peerIt->second[index].removeAll();
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}
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_allRemoved.fire(std::move(query));
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}
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}
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rpl::producer<SharedMediaResult> SharedMedia::query(SharedMediaQuery &&query) const {
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Expects(IsValidSharedMediaType(query.key.type));
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auto peerIt = _lists.find(query.key.peerId);
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if (peerIt != _lists.end()) {
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auto index = static_cast<int>(query.key.type);
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return peerIt->second[index].query(SparseIdsListQuery(
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query.key.messageId,
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query.limitBefore,
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query.limitAfter));
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}
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return [](auto consumer) {
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consumer.put_done();
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return rpl::lifetime();
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};
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}
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} // namespace Storage
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