512 lines
13 KiB
C++
512 lines
13 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 "data/data_feed.h"
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#include "data/data_session.h"
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#include "dialogs/dialogs_key.h"
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#include "history/history.h"
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#include "history/history_item.h"
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#include "lang/lang_keys.h"
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#include "storage/storage_facade.h"
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#include "storage/storage_feed_messages.h"
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#include "auth_session.h"
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#include "apiwrap.h"
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#include "mainwidget.h"
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namespace Data {
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// #feed
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//MessagePosition FeedPositionFromMTP(const MTPFeedPosition &position) {
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// Expects(position.type() == mtpc_feedPosition);
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//
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// const auto &data = position.c_feedPosition();
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// return MessagePosition(data.vdate.v, FullMsgId(
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// peerToChannel(peerFromMTP(data.vpeer)),
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// data.vid.v));
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//}
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Feed::Feed(FeedId id, not_null<Data::Session*> parent)
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: Entry(this)
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, _id(id)
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, _parent(parent)
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, _name(lang(lng_feed_name)) {
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indexNameParts();
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}
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FeedId Feed::id() const {
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return _id;
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}
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void Feed::indexNameParts() {
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_nameWords.clear();
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_nameFirstLetters.clear();
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auto toIndexList = QStringList();
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auto appendToIndex = [&](const QString &value) {
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if (!value.isEmpty()) {
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toIndexList.push_back(TextUtilities::RemoveAccents(value));
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}
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};
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appendToIndex(_name);
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const auto appendTranslit = !toIndexList.isEmpty()
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&& cRussianLetters().match(toIndexList.front()).hasMatch();
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if (appendTranslit) {
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appendToIndex(translitRusEng(toIndexList.front()));
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}
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auto toIndex = toIndexList.join(' ');
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toIndex += ' ' + rusKeyboardLayoutSwitch(toIndex);
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const auto namesList = TextUtilities::PrepareSearchWords(toIndex);
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for (const auto &name : namesList) {
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_nameWords.insert(name);
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_nameFirstLetters.insert(name[0]);
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}
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}
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void Feed::registerOne(not_null<ChannelData*> channel) {
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const auto history = App::history(channel);
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if (!base::contains(_channels, history)) {
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const auto invisible = (_channels.size() < 2);
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_channels.push_back(history);
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_parent->session().storage().invalidate(
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Storage::FeedMessagesInvalidate(_id));
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if (history->lastMessageKnown()) {
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if (const auto last = history->lastMessage()) {
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if (justUpdateLastMessage(last)) {
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updateChatListEntry();
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}
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}
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} else if (lastMessageKnown()) {
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_parent->session().api().requestDialogEntry(history);
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}
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if (unreadCountKnown()) {
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if (history->unreadCountKnown()) {
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// If history unreadCount is known that means that we've
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// already had the channel information and if it was in the
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// feed already (not yet known) it wouldn't get here.
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// That means here we get if we add a new channel to feed.
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if (const auto count = history->unreadCount()) {
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unreadCountChanged(count, history->mute() ? count : 0);
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}
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} else if (!_settingChannels) {
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_parent->session().api().requestDialogEntry(this);
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}
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}
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if (invisible && _channels.size() > 1) {
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updateChatListExistence();
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for (const auto history : _channels) {
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history->updateChatListExistence();
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}
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} else {
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history->updateChatListExistence();
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}
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_parent->notifyFeedUpdated(this, FeedUpdateFlag::Channels);
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}
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}
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void Feed::unregisterOne(not_null<ChannelData*> channel) {
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const auto history = App::history(channel);
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const auto i = ranges::remove(_channels, history);
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if (i != end(_channels)) {
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const auto visible = (_channels.size() > 1);
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_channels.erase(i, end(_channels));
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_parent->session().storage().remove(
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Storage::FeedMessagesRemoveAll(_id, channel->bareId()));
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if (lastMessageKnown()) {
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if (const auto last = lastMessage()) {
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if (last->history() == history) {
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recountLastMessage();
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}
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}
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}
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if (unreadCountKnown()) {
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if (history->unreadCountKnown()) {
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if (const auto delta = -history->unreadCount()) {
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unreadCountChanged(delta, history->mute() ? delta : 0);
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}
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} else {
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_parent->session().api().requestDialogEntry(this);
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}
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}
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if (visible && _channels.size() < 2) {
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updateChatListExistence();
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for (const auto history : _channels) {
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history->updateChatListExistence();
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}
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} else {
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history->updateChatListExistence();
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}
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_parent->notifyFeedUpdated(this, FeedUpdateFlag::Channels);
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}
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}
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void Feed::updateLastMessage(not_null<HistoryItem*> item) {
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if (justUpdateLastMessage(item)) {
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if (_lastMessage && *_lastMessage) {
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setChatsListTimeId((*_lastMessage)->date());
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}
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}
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}
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void Feed::loadUserpic() {
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constexpr auto kPaintUserpicsCount = 4;
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auto load = kPaintUserpicsCount;
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for (const auto channel : _channels) {
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channel->peer->loadUserpic();
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if (!--load) {
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break;
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}
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}
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}
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void Feed::paintUserpic(
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Painter &p,
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int x,
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int y,
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int size) const {
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const auto small = (size - st::lineWidth) / 2;
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const auto delta = size - small;
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auto index = 0;
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for (const auto channel : _channels) {
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channel->peer->paintUserpic(p, x, y, small);
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switch (++index) {
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case 1:
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case 3: x += delta; break;
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case 2: x -= delta; y += delta; break;
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case 4: return;
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}
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}
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}
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const std::vector<not_null<History*>> &Feed::channels() const {
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return _channels;
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}
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int32 Feed::channelsHash() const {
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const auto ordered = ranges::view::all(
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_channels
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) | ranges::view::transform([](not_null<History*> history) {
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return history->peer->bareId();
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}) | ranges::to_vector | ranges::action::sort;
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return Api::CountHash(ordered);
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}
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bool Feed::channelsLoaded() const {
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return _channelsLoaded;
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}
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void Feed::setChannelsLoaded(bool loaded) {
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if (_channelsLoaded != loaded) {
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_channelsLoaded = loaded;
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_parent->notifyFeedUpdated(this, FeedUpdateFlag::Channels);
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}
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}
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void Feed::setChannels(std::vector<not_null<ChannelData*>> channels) {
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const auto remove = ranges::view::all(
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_channels
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) | ranges::view::transform([](not_null<History*> history) {
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return not_null<ChannelData*>(history->peer->asChannel());
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}) | ranges::view::filter([&](not_null<ChannelData*> channel) {
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return !base::contains(channels, channel);
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}) | ranges::to_vector;
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const auto add = ranges::view::all(
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channels
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) | ranges::view::filter([&](not_null<ChannelData*> channel) {
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return ranges::find(
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_channels,
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channel.get(),
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[](auto history) { return history->peer->asChannel(); }
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) == end(_channels);
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}) | ranges::view::transform([](ChannelData *channel) {
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return not_null<ChannelData*>(channel);
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}) | ranges::to_vector;
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changeChannelsList(add, remove);
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setChannelsLoaded(true);
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}
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void Feed::changeChannelsList(
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const std::vector<not_null<ChannelData*>> &add,
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const std::vector<not_null<ChannelData*>> &remove) {
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_settingChannels = true;
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const auto restore = gsl::finally([&] { _settingChannels = false; });
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for (const auto channel : remove) {
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channel->clearFeed();
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}
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// We assume the last message was correct before requesting the list.
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// So we save it and don't allow channels from the list to change it.
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// After that we restore it.
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const auto oldLastMessage = base::take(_lastMessage);
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for (const auto channel : add) {
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_lastMessage = std::nullopt;
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channel->setFeed(this);
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}
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_lastMessage = oldLastMessage;
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}
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bool Feed::justUpdateLastMessage(not_null<HistoryItem*> item) {
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if (!_lastMessage) {
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return false;
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} else if (*_lastMessage
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&& item->position() <= (*_lastMessage)->position()) {
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return false;
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}
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_lastMessage = item;
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return true;
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}
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void Feed::messageRemoved(not_null<HistoryItem*> item) {
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if (lastMessage() == item) {
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recountLastMessage();
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}
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}
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void Feed::historyCleared(not_null<History*> history) {
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if (const auto last = lastMessage()) {
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if (last->history() == history) {
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messageRemoved(last);
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}
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}
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}
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void Feed::recountLastMessage() {
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_lastMessage = std::nullopt;
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for (const auto history : _channels) {
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if (!history->lastMessageKnown()) {
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_parent->session().api().requestDialogEntry(this);
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return;
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}
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}
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setLastMessageFromChannels();
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}
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void Feed::setLastMessageFromChannels() {
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_lastMessage = nullptr;
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for (const auto history : _channels) {
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if (const auto last = history->lastMessage()) {
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justUpdateLastMessage(last);
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}
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}
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updateChatsListDate();
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}
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void Feed::updateChatsListDate() {
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if (_lastMessage && *_lastMessage) {
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setChatsListTimeId((*_lastMessage)->date());
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}
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}
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HistoryItem *Feed::lastMessage() const {
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return _lastMessage ? *_lastMessage : nullptr;
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}
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bool Feed::lastMessageKnown() const {
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return !!_lastMessage;
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}
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int Feed::unreadCount() const {
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return _unreadCount ? *_unreadCount : 0;
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}
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rpl::producer<int> Feed::unreadCountValue() const {
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return rpl::single(
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unreadCount()
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) | rpl::then(_unreadCountChanges.events());
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}
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bool Feed::unreadCountKnown() const {
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return !!_unreadCount;
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}
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// #feed
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//void Feed::applyDialog(const MTPDdialogFeed &data) {
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// const auto addChannel = [&](ChannelId channelId) {
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// if (const auto channel = App::channelLoaded(channelId)) {
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// channel->setFeed(this);
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// }
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// };
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// for (const auto &channelId : data.vfeed_other_channels.v) {
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// addChannel(channelId.v);
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// }
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//
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// _lastMessage = nullptr;
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// if (const auto peerId = peerFromMTP(data.vpeer)) {
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// if (const auto channelId = peerToChannel(peerId)) {
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// addChannel(channelId);
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// const auto fullId = FullMsgId(channelId, data.vtop_message.v);
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// if (const auto item = App::histItemById(fullId)) {
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// justUpdateLastMessage(item);
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// }
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// }
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// }
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// updateChatsListDate();
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//
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// setUnreadCounts(
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// data.vunread_count.v,
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// data.vunread_muted_count.v);
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// if (data.has_read_max_position()) {
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// setUnreadPosition(FeedPositionFromMTP(data.vread_max_position));
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// }
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//}
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void Feed::changedInChatListHook(Dialogs::Mode list, bool added) {
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if (list != Dialogs::Mode::All) {
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return;
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}
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if (const auto count = unreadCount()) {
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const auto mutedCount = _unreadMutedCount;
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const auto nonMutedCount = count - mutedCount;
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const auto mutedDelta = added ? mutedCount : -mutedCount;
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const auto nonMutedDelta = added ? nonMutedCount : -nonMutedCount;
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App::histories().unreadIncrement(nonMutedDelta, false);
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App::histories().unreadIncrement(mutedDelta, true);
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const auto fullMuted = (nonMutedCount == 0);
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const auto entriesWithUnreadDelta = added ? 1 : -1;
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const auto mutedEntriesWithUnreadDelta = fullMuted
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? entriesWithUnreadDelta
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: 0;
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App::histories().unreadEntriesChanged(
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entriesWithUnreadDelta,
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mutedEntriesWithUnreadDelta);
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}
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}
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template <typename PerformUpdate>
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void Feed::updateUnreadCounts(PerformUpdate &&performUpdate) {
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const auto wasUnreadCount = _unreadCount ? *_unreadCount : 0;
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const auto wasUnreadMutedCount = _unreadMutedCount;
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const auto wasFullMuted = (wasUnreadMutedCount > 0)
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&& (wasUnreadCount == wasUnreadMutedCount);
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performUpdate();
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Assert(_unreadCount.has_value());
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_unreadCountChanges.fire(unreadCount());
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updateChatListEntry();
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if (inChatList(Dialogs::Mode::All)) {
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const auto nowUnreadCount = *_unreadCount;
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const auto nowUnreadMutedCount = _unreadMutedCount;
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const auto nowFullMuted = (nowUnreadMutedCount > 0)
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&& (nowUnreadCount == nowUnreadMutedCount);
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App::histories().unreadIncrement(
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(nowUnreadCount - nowUnreadMutedCount)
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- (wasUnreadCount - wasUnreadMutedCount),
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false);
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App::histories().unreadIncrement(
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nowUnreadMutedCount - wasUnreadMutedCount,
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true);
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const auto entriesDelta = (nowUnreadCount && !wasUnreadCount)
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? 1
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: (wasUnreadCount && !nowUnreadCount)
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? -1
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: 0;
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const auto mutedEntriesDelta = (!wasFullMuted && nowFullMuted)
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? 1
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: (wasFullMuted && !nowFullMuted)
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? -1
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: 0;
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App::histories().unreadEntriesChanged(
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entriesDelta,
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mutedEntriesDelta);
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}
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}
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void Feed::setUnreadCounts(int unreadNonMutedCount, int unreadMutedCount) {
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if (unreadCountKnown()
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&& (*_unreadCount == unreadNonMutedCount + unreadMutedCount)
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&& (_unreadMutedCount == unreadMutedCount)) {
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return;
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}
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updateUnreadCounts([&] {
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_unreadCount = unreadNonMutedCount + unreadMutedCount;
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_unreadMutedCount = unreadMutedCount;
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});
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}
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void Feed::setUnreadPosition(const MessagePosition &position) {
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if (_unreadPosition.current() < position) {
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_unreadPosition = position;
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}
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}
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void Feed::unreadCountChanged(int unreadCountDelta, int mutedCountDelta) {
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if (!unreadCountKnown()) {
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return;
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}
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updateUnreadCounts([&] {
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accumulate_max(unreadCountDelta, -*_unreadCount);
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*_unreadCount += unreadCountDelta;
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mutedCountDelta = snap(
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mutedCountDelta,
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-_unreadMutedCount,
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*_unreadCount - _unreadMutedCount);
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_unreadMutedCount += mutedCountDelta;
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});
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}
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MessagePosition Feed::unreadPosition() const {
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return _unreadPosition.current();
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}
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rpl::producer<MessagePosition> Feed::unreadPositionChanges() const {
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return _unreadPosition.changes();
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}
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bool Feed::toImportant() const {
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return false; // TODO feeds workmode
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}
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bool Feed::useProxyPromotion() const {
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return false;
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}
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bool Feed::shouldBeInChatList() const {
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return _channels.size() > 1;
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}
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int Feed::chatListUnreadCount() const {
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return unreadCount();
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}
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bool Feed::chatListUnreadMark() const {
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return false; // #feed unread mark
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}
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bool Feed::chatListMutedBadge() const {
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return _unreadCount ? (*_unreadCount <= _unreadMutedCount) : false;
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}
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HistoryItem *Feed::chatsListItem() const {
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return lastMessage();
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}
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const QString &Feed::chatsListName() const {
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return _name;
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}
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const base::flat_set<QString> &Feed::chatsListNameWords() const {
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return _nameWords;
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}
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const base::flat_set<QChar> &Feed::chatsListFirstLetters() const {
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return _nameFirstLetters;
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}
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} // namespace Data
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