773 lines
22 KiB
C++
773 lines
22 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_chat_participants.h"
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#include "apiwrap.h"
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#include "boxes/add_contact_box.h" // ShowAddParticipantsError
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#include "boxes/peers/add_participants_box.h" // ChatInviteForbidden
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#include "data/data_changes.h"
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#include "data/data_channel.h"
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#include "data/data_channel_admins.h"
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#include "data/data_chat.h"
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#include "data/data_histories.h"
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#include "data/data_session.h"
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#include "data/data_user.h"
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#include "history/history.h"
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#include "main/main_session.h"
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#include "mtproto/mtproto_config.h"
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namespace Api {
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namespace {
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using Members = ChatParticipants::Members;
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constexpr auto kSmallDelayMs = crl::time(5);
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// 1 second wait before reload members in channel after adding.
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constexpr auto kReloadChannelMembersTimeout = 1000;
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// Max users in one super group invite request.
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constexpr auto kMaxUsersPerInvite = 100;
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// How many messages from chat history server should forward to user,
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// that was added to this chat.
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constexpr auto kForwardMessagesOnAdd = 100;
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std::vector<ChatParticipant> ParseList(
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const ChatParticipants::TLMembers &data,
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not_null<PeerData*> peer) {
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return ranges::views::all(
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data.vparticipants().v
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) | ranges::views::transform([&](const MTPChannelParticipant &p) {
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return ChatParticipant(p, peer);
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}) | ranges::to_vector;
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}
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void ApplyMegagroupAdmins(not_null<ChannelData*> channel, Members list) {
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Expects(channel->isMegagroup());
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const auto i = ranges::find_if(list, &Api::ChatParticipant::isCreator);
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if (i != list.end()) {
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i->tryApplyCreatorTo(channel);
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} else {
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channel->mgInfo->creator = nullptr;
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channel->mgInfo->creatorRank = QString();
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}
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auto adding = base::flat_map<UserId, QString>();
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for (const auto &p : list) {
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if (p.isUser()) {
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adding.emplace(p.userId(), p.rank());
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}
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}
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if (channel->mgInfo->creator) {
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adding.emplace(
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peerToUser(channel->mgInfo->creator->id),
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channel->mgInfo->creatorRank);
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}
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auto removing = channel->mgInfo->admins;
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if (removing.empty() && adding.empty()) {
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// Add some admin-placeholder so we don't DDOS
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// server with admins list requests.
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LOG(("API Error: Got empty admins list from server."));
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adding.emplace(0, QString());
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}
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Data::ChannelAdminChanges changes(channel);
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for (const auto &[addingId, rank] : adding) {
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if (!removing.remove(addingId)) {
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changes.add(addingId, rank);
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}
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}
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for (const auto &[removingId, rank] : removing) {
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changes.remove(removingId);
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}
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}
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void RefreshChannelAdmins(
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not_null<ChannelData*> channel,
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Members participants) {
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Data::ChannelAdminChanges changes(channel);
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for (const auto &p : participants) {
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if (p.isUser()) {
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if (p.isCreatorOrAdmin()) {
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p.tryApplyCreatorTo(channel);
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changes.add(p.userId(), p.rank());
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} else {
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changes.remove(p.userId());
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}
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}
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}
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}
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void ApplyLastList(
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not_null<ChannelData*> channel,
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int availableCount,
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Members list) {
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channel->mgInfo->lastAdmins.clear();
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channel->mgInfo->lastRestricted.clear();
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channel->mgInfo->lastParticipants.clear();
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channel->mgInfo->lastParticipantsStatus
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= MegagroupInfo::LastParticipantsUpToDate
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| MegagroupInfo::LastParticipantsOnceReceived;
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auto botStatus = channel->mgInfo->botStatus;
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for (const auto &p : list) {
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const auto participant = channel->owner().peer(p.id());
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const auto user = participant->asUser();
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const auto adminRights = p.rights();
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const auto restrictedRights = p.restrictions();
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if (p.isCreator()) {
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Assert(user != nullptr);
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p.tryApplyCreatorTo(channel);
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if (!channel->mgInfo->admins.empty()) {
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Data::ChannelAdminChanges(channel).add(p.userId(), p.rank());
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}
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}
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if (user
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&& !base::contains(channel->mgInfo->lastParticipants, user)) {
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channel->mgInfo->lastParticipants.push_back(user);
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if (adminRights.flags) {
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channel->mgInfo->lastAdmins.emplace(
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user,
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MegagroupInfo::Admin{ adminRights, p.canBeEdited() });
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} else if (restrictedRights.flags) {
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channel->mgInfo->lastRestricted.emplace(
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user,
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MegagroupInfo::Restricted{ restrictedRights });
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}
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if (user->isBot()) {
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channel->mgInfo->bots.insert(user);
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if ((channel->mgInfo->botStatus != 0)
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&& (channel->mgInfo->botStatus < 2)) {
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channel->mgInfo->botStatus = 2;
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}
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}
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}
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}
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//
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// getParticipants(Recent) sometimes can't return all members,
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// only some last subset, size of this subset is availableCount.
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//
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// So both list size and availableCount have nothing to do with
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// the full supergroup members count.
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//
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//if (list.isEmpty()) {
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// channel->setMembersCount(channel->mgInfo->lastParticipants.size());
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//} else {
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// channel->setMembersCount(availableCount);
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//}
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channel->session().changes().peerUpdated(
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channel,
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(Data::PeerUpdate::Flag::Members | Data::PeerUpdate::Flag::Admins));
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channel->mgInfo->botStatus = botStatus;
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channel->session().changes().peerUpdated(
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channel,
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Data::PeerUpdate::Flag::FullInfo);
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}
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void ApplyBotsList(
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not_null<ChannelData*> channel,
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int availableCount,
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Members list) {
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const auto history = channel->owner().historyLoaded(channel);
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channel->mgInfo->bots.clear();
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channel->mgInfo->botStatus = -1;
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auto needBotsInfos = false;
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auto botStatus = channel->mgInfo->botStatus;
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auto keyboardBotFound = !history || !history->lastKeyboardFrom;
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for (const auto &p : list) {
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const auto participant = channel->owner().peer(p.id());
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const auto user = participant->asUser();
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if (user && user->isBot()) {
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channel->mgInfo->bots.insert(user);
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botStatus = 2;// (botStatus > 0/* || !i.key()->botInfo->readsAllHistory*/) ? 2 : 1;
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if (!user->botInfo->inited) {
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needBotsInfos = true;
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}
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}
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if (!keyboardBotFound
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&& participant->id == history->lastKeyboardFrom) {
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keyboardBotFound = true;
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}
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}
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if (needBotsInfos) {
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channel->session().api().requestFullPeer(channel);
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}
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if (!keyboardBotFound) {
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history->clearLastKeyboard();
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}
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channel->mgInfo->botStatus = botStatus;
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channel->session().changes().peerUpdated(
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channel,
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Data::PeerUpdate::Flag::FullInfo);
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}
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[[nodiscard]] ChatParticipants::Channels ParseSimilar(
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not_null<ChannelData*> channel,
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const MTPmessages_Chats &chats) {
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auto result = ChatParticipants::Channels();
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std::vector<not_null<ChannelData*>>();
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chats.match([&](const auto &data) {
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const auto &list = data.vchats().v;
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result.list.reserve(list.size());
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for (const auto &chat : list) {
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const auto peer = channel->owner().processChat(chat);
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if (const auto channel = peer->asChannel()) {
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result.list.push_back(channel);
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}
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}
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if constexpr (MTPDmessages_chatsSlice::Is<decltype(data)>()) {
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if (channel->session().premiumPossible()) {
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result.more = data.vcount().v - data.vchats().v.size();
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}
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}
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});
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return result;
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}
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} // namespace
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ChatParticipant::ChatParticipant(
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const MTPChannelParticipant &p,
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not_null<PeerData*> peer) {
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_peer = p.match([](const MTPDchannelParticipantBanned &data) {
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return peerFromMTP(data.vpeer());
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}, [](const MTPDchannelParticipantLeft &data) {
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return peerFromMTP(data.vpeer());
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}, [](const auto &data) {
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return peerFromUser(data.vuser_id());
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});
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p.match([&](const MTPDchannelParticipantCreator &data) {
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_canBeEdited = (peer->session().userPeerId() == _peer);
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_type = Type::Creator;
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_rights = ChatAdminRightsInfo(data.vadmin_rights());
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_rank = qs(data.vrank().value_or_empty());
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}, [&](const MTPDchannelParticipantAdmin &data) {
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_canBeEdited = data.is_can_edit();
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_type = Type::Admin;
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_rank = qs(data.vrank().value_or_empty());
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_rights = ChatAdminRightsInfo(data.vadmin_rights());
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_by = peerToUser(peerFromUser(data.vpromoted_by()));
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}, [&](const MTPDchannelParticipantSelf &data) {
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_type = Type::Member;
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_by = peerToUser(peerFromUser(data.vinviter_id()));
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}, [&](const MTPDchannelParticipant &data) {
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_type = Type::Member;
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}, [&](const MTPDchannelParticipantBanned &data) {
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_restrictions = ChatRestrictionsInfo(data.vbanned_rights());
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_by = peerToUser(peerFromUser(data.vkicked_by()));
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_type = (_restrictions.flags & ChatRestriction::ViewMessages)
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? Type::Banned
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: Type::Restricted;
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}, [&](const MTPDchannelParticipantLeft &data) {
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_type = Type::Left;
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});
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}
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ChatParticipant::ChatParticipant(
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Type type,
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PeerId peerId,
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UserId by,
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ChatRestrictionsInfo restrictions,
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ChatAdminRightsInfo rights,
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bool canBeEdited,
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QString rank)
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: _type(type)
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, _peer(peerId)
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, _by(by)
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, _canBeEdited(canBeEdited)
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, _rank(rank)
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, _restrictions(std::move(restrictions))
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, _rights(std::move(rights)) {
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}
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void ChatParticipant::tryApplyCreatorTo(
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not_null<ChannelData*> channel) const {
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if (isCreator() && isUser()) {
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if (const auto info = channel->mgInfo.get()) {
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info->creator = channel->owner().userLoaded(userId());
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info->creatorRank = rank();
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}
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}
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}
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bool ChatParticipant::isUser() const {
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return peerIsUser(_peer);
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}
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bool ChatParticipant::isCreator() const {
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return _type == Type::Creator;
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}
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bool ChatParticipant::isCreatorOrAdmin() const {
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return _type == Type::Creator || _type == Type::Admin;
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}
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bool ChatParticipant::isKicked() const {
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return _type == Type::Banned;
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}
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bool ChatParticipant::canBeEdited() const {
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return _canBeEdited;
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}
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UserId ChatParticipant::by() const {
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return _by;
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}
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PeerId ChatParticipant::id() const {
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return _peer;
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}
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UserId ChatParticipant::userId() const {
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return peerToUser(_peer);
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}
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ChatRestrictionsInfo ChatParticipant::restrictions() const {
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return _restrictions;
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}
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ChatAdminRightsInfo ChatParticipant::rights() const {
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return _rights;
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}
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ChatParticipant::Type ChatParticipant::type() const {
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return _type;
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}
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QString ChatParticipant::rank() const {
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return _rank;
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}
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ChatParticipants::ChatParticipants(not_null<ApiWrap*> api)
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: _api(&api->instance()) {
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}
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void ChatParticipants::requestForAdd(
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not_null<ChannelData*> channel,
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Fn<void(const TLMembers&)> callback) {
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Expects(callback != nullptr);
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_forAdd.callback = std::move(callback);
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if (_forAdd.channel == channel) {
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return;
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}
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_api.request(base::take(_forAdd.requestId)).cancel();
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const auto offset = 0;
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const auto participantsHash = uint64(0);
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_forAdd.channel = channel;
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_forAdd.requestId = _api.request(MTPchannels_GetParticipants(
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channel->inputChannel,
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MTP_channelParticipantsRecent(),
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MTP_int(offset),
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MTP_int(channel->session().serverConfig().chatSizeMax),
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MTP_long(participantsHash)
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)).done([=](const MTPchannels_ChannelParticipants &result) {
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result.match([&](const MTPDchannels_channelParticipants &data) {
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base::take(_forAdd).callback(data);
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}, [&](const MTPDchannels_channelParticipantsNotModified &) {
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base::take(_forAdd);
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LOG(("API Error: "
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"channels.channelParticipantsNotModified received!"));
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});
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}).fail([=] {
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base::take(_forAdd);
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}).send();
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}
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void ChatParticipants::requestLast(not_null<ChannelData*> channel) {
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if (!channel->isMegagroup()
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|| !channel->canViewMembers()
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|| _participantsRequests.contains(channel)) {
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return;
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}
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const auto offset = 0;
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const auto participantsHash = uint64(0);
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const auto requestId = _api.request(MTPchannels_GetParticipants(
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channel->inputChannel,
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MTP_channelParticipantsRecent(),
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MTP_int(offset),
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MTP_int(channel->session().serverConfig().chatSizeMax),
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MTP_long(participantsHash)
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)).done([=](const MTPchannels_ChannelParticipants &result) {
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_participantsRequests.remove(channel);
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result.match([&](const MTPDchannels_channelParticipants &data) {
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const auto &[availableCount, list] = Parse(channel, data);
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ApplyLastList(channel, availableCount, list);
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}, [](const MTPDchannels_channelParticipantsNotModified &) {
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LOG(("API Error: "
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"channels.channelParticipantsNotModified received!"));
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});
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}).fail([this, channel] {
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_participantsRequests.remove(channel);
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}).send();
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_participantsRequests[channel] = requestId;
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}
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void ChatParticipants::requestBots(not_null<ChannelData*> channel) {
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if (!channel->isMegagroup() || _botsRequests.contains(channel)) {
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return;
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}
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const auto offset = 0;
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const auto participantsHash = uint64(0);
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const auto requestId = _api.request(MTPchannels_GetParticipants(
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channel->inputChannel,
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MTP_channelParticipantsBots(),
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MTP_int(offset),
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MTP_int(channel->session().serverConfig().chatSizeMax),
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MTP_long(participantsHash)
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)).done([=](const MTPchannels_ChannelParticipants &result) {
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_botsRequests.remove(channel);
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result.match([&](const MTPDchannels_channelParticipants &data) {
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const auto &[availableCount, list] = Parse(channel, data);
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ApplyBotsList(channel, availableCount, list);
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}, [](const MTPDchannels_channelParticipantsNotModified &) {
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LOG(("API Error: "
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"channels.channelParticipantsNotModified received!"));
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});
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}).fail([=] {
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_botsRequests.remove(channel);
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}).send();
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_botsRequests[channel] = requestId;
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}
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void ChatParticipants::requestAdmins(not_null<ChannelData*> channel) {
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if (!channel->isMegagroup() || _adminsRequests.contains(channel)) {
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return;
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}
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const auto offset = 0;
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const auto participantsHash = uint64(0);
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const auto requestId = _api.request(MTPchannels_GetParticipants(
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channel->inputChannel,
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MTP_channelParticipantsAdmins(),
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MTP_int(offset),
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MTP_int(channel->session().serverConfig().chatSizeMax),
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MTP_long(participantsHash)
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)).done([=](const MTPchannels_ChannelParticipants &result) {
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channel->mgInfo->adminsLoaded = true;
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_adminsRequests.remove(channel);
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result.match([&](const MTPDchannels_channelParticipants &data) {
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channel->owner().processUsers(data.vusers());
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ApplyMegagroupAdmins(channel, ParseList(data, channel));
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}, [](const MTPDchannels_channelParticipantsNotModified &) {
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LOG(("API Error: "
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"channels.channelParticipantsNotModified received!"));
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});
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}).fail([=] {
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channel->mgInfo->adminsLoaded = true;
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_adminsRequests.remove(channel);
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}).send();
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_adminsRequests[channel] = requestId;
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}
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void ChatParticipants::requestCountDelayed(
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not_null<ChannelData*> channel) {
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_participantsCountRequestTimer.call(
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kReloadChannelMembersTimeout,
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[=] { channel->updateFullForced(); });
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}
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void ChatParticipants::add(
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std::shared_ptr<Ui::Show> show,
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not_null<PeerData*> peer,
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const std::vector<not_null<UserData*>> &users,
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bool passGroupHistory,
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Fn<void(bool)> done) {
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if (const auto chat = peer->asChat()) {
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for (const auto &user : users) {
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_api.request(MTPmessages_AddChatUser(
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chat->inputChat,
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user->inputUser,
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MTP_int(passGroupHistory ? kForwardMessagesOnAdd : 0)
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)).done([=](const MTPmessages_InvitedUsers &result) {
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const auto &data = result.data();
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chat->session().api().applyUpdates(data.vupdates());
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if (done) done(true);
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ChatInviteForbidden(
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show,
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chat,
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CollectForbiddenUsers(&chat->session(), result));
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}).fail([=](const MTP::Error &error) {
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const auto type = error.type();
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ShowAddParticipantsError(show, type, peer, user);
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if (done) done(false);
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}).afterDelay(kSmallDelayMs).send();
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}
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} else if (const auto channel = peer->asChannel()) {
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const auto hasBot = ranges::any_of(users, &UserData::isBot);
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if (!peer->isMegagroup() && hasBot) {
|
|
ShowAddParticipantsError(
|
|
show,
|
|
u"USER_BOT"_q,
|
|
peer,
|
|
{ .users = users });
|
|
return;
|
|
}
|
|
auto list = QVector<MTPInputUser>();
|
|
list.reserve(std::min(int(users.size()), int(kMaxUsersPerInvite)));
|
|
const auto send = [&] {
|
|
const auto callback = base::take(done);
|
|
_api.request(MTPchannels_InviteToChannel(
|
|
channel->inputChannel,
|
|
MTP_vector<MTPInputUser>(list)
|
|
)).done([=](const MTPmessages_InvitedUsers &result) {
|
|
const auto &data = result.data();
|
|
channel->session().api().applyUpdates(data.vupdates());
|
|
requestCountDelayed(channel);
|
|
if (callback) callback(true);
|
|
ChatInviteForbidden(
|
|
show,
|
|
channel,
|
|
CollectForbiddenUsers(&channel->session(), result));
|
|
}).fail([=](const MTP::Error &error) {
|
|
ShowAddParticipantsError(show, error.type(), peer, {
|
|
.users = users,
|
|
});
|
|
if (callback) callback(false);
|
|
}).afterDelay(kSmallDelayMs).send();
|
|
};
|
|
for (const auto &user : users) {
|
|
list.push_back(user->inputUser);
|
|
if (list.size() == kMaxUsersPerInvite) {
|
|
send();
|
|
list.clear();
|
|
}
|
|
}
|
|
if (!list.empty()) {
|
|
send();
|
|
}
|
|
} else {
|
|
Unexpected("User in ChatParticipants::add.");
|
|
}
|
|
}
|
|
|
|
ChatParticipants::Parsed ChatParticipants::Parse(
|
|
not_null<ChannelData*> channel,
|
|
const TLMembers &data) {
|
|
channel->owner().processUsers(data.vusers());
|
|
channel->owner().processChats(data.vchats());
|
|
auto list = ParseList(data, channel);
|
|
if (channel->mgInfo) {
|
|
RefreshChannelAdmins(channel, list);
|
|
}
|
|
return { data.vcount().v, std::move(list) };
|
|
}
|
|
|
|
ChatParticipants::Parsed ChatParticipants::ParseRecent(
|
|
not_null<ChannelData*> channel,
|
|
const TLMembers &data) {
|
|
const auto result = Parse(channel, data);
|
|
const auto applyLast = channel->isMegagroup()
|
|
&& channel->canViewMembers()
|
|
&& (channel->mgInfo->lastParticipants.size() <= result.list.size());
|
|
if (applyLast) {
|
|
ApplyLastList(channel, result.availableCount, result.list);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void ChatParticipants::requestSelf(not_null<ChannelData*> channel) {
|
|
if (_selfParticipantRequests.contains(channel)) {
|
|
return;
|
|
}
|
|
|
|
const auto finalize = [=](
|
|
UserId inviter = -1,
|
|
TimeId inviteDate = 0,
|
|
bool inviteViaRequest = false) {
|
|
channel->inviter = inviter;
|
|
channel->inviteDate = inviteDate;
|
|
channel->inviteViaRequest = inviteViaRequest;
|
|
if (const auto history = channel->owner().historyLoaded(channel)) {
|
|
if (history->lastMessageKnown()) {
|
|
history->checkLocalMessages();
|
|
history->owner().sendHistoryChangeNotifications();
|
|
} else {
|
|
history->owner().histories().requestDialogEntry(history);
|
|
}
|
|
}
|
|
};
|
|
_selfParticipantRequests.emplace(channel);
|
|
_api.request(MTPchannels_GetParticipant(
|
|
channel->inputChannel,
|
|
MTP_inputPeerSelf()
|
|
)).done([=](const MTPchannels_ChannelParticipant &result) {
|
|
_selfParticipantRequests.erase(channel);
|
|
result.match([&](const MTPDchannels_channelParticipant &data) {
|
|
channel->owner().processUsers(data.vusers());
|
|
|
|
const auto &participant = data.vparticipant();
|
|
participant.match([&](const MTPDchannelParticipantSelf &data) {
|
|
finalize(
|
|
data.vinviter_id().v,
|
|
data.vdate().v,
|
|
data.is_via_request());
|
|
}, [&](const MTPDchannelParticipantCreator &) {
|
|
if (channel->mgInfo) {
|
|
channel->mgInfo->creator = channel->session().user();
|
|
}
|
|
finalize(channel->session().userId(), channel->date);
|
|
}, [&](const MTPDchannelParticipantAdmin &data) {
|
|
const auto inviter = data.is_self()
|
|
? data.vinviter_id().value_or(-1)
|
|
: -1;
|
|
finalize(inviter, data.vdate().v);
|
|
}, [&](const MTPDchannelParticipantBanned &data) {
|
|
LOG(("API Error: Got self banned participant."));
|
|
finalize();
|
|
}, [&](const MTPDchannelParticipant &data) {
|
|
LOG(("API Error: Got self regular participant."));
|
|
finalize();
|
|
}, [&](const MTPDchannelParticipantLeft &data) {
|
|
LOG(("API Error: Got self left participant."));
|
|
finalize();
|
|
});
|
|
});
|
|
}).fail([=](const MTP::Error &error) {
|
|
_selfParticipantRequests.erase(channel);
|
|
if (error.type() == u"CHANNEL_PRIVATE"_q) {
|
|
channel->privateErrorReceived();
|
|
}
|
|
finalize();
|
|
}).afterDelay(kSmallDelayMs).send();
|
|
}
|
|
|
|
void ChatParticipants::kick(
|
|
not_null<ChatData*> chat,
|
|
not_null<PeerData*> participant) {
|
|
Expects(participant->isUser());
|
|
|
|
_api.request(MTPmessages_DeleteChatUser(
|
|
MTP_flags(0),
|
|
chat->inputChat,
|
|
participant->asUser()->inputUser
|
|
)).done([=](const MTPUpdates &result) {
|
|
chat->session().api().applyUpdates(result);
|
|
}).send();
|
|
}
|
|
|
|
void ChatParticipants::kick(
|
|
not_null<ChannelData*> channel,
|
|
not_null<PeerData*> participant,
|
|
ChatRestrictionsInfo currentRights) {
|
|
const auto kick = KickRequest(channel, participant);
|
|
if (_kickRequests.contains(kick)) return;
|
|
|
|
const auto rights = ChannelData::KickedRestrictedRights(participant);
|
|
const auto requestId = _api.request(MTPchannels_EditBanned(
|
|
channel->inputChannel,
|
|
participant->input,
|
|
MTP_chatBannedRights(
|
|
MTP_flags(
|
|
MTPDchatBannedRights::Flags::from_raw(uint32(rights.flags))),
|
|
MTP_int(rights.until))
|
|
)).done([=](const MTPUpdates &result) {
|
|
channel->session().api().applyUpdates(result);
|
|
|
|
_kickRequests.remove(KickRequest(channel, participant));
|
|
channel->applyEditBanned(participant, currentRights, rights);
|
|
}).fail([this, kick] {
|
|
_kickRequests.remove(kick);
|
|
}).send();
|
|
|
|
_kickRequests.emplace(kick, requestId);
|
|
}
|
|
|
|
void ChatParticipants::unblock(
|
|
not_null<ChannelData*> channel,
|
|
not_null<PeerData*> participant) {
|
|
const auto kick = KickRequest(channel, participant);
|
|
if (_kickRequests.contains(kick)) {
|
|
return;
|
|
}
|
|
|
|
const auto requestId = _api.request(MTPchannels_EditBanned(
|
|
channel->inputChannel,
|
|
participant->input,
|
|
MTP_chatBannedRights(MTP_flags(0), MTP_int(0))
|
|
)).done([=](const MTPUpdates &result) {
|
|
channel->session().api().applyUpdates(result);
|
|
|
|
_kickRequests.remove(KickRequest(channel, participant));
|
|
if (channel->kickedCount() > 0) {
|
|
channel->setKickedCount(channel->kickedCount() - 1);
|
|
} else {
|
|
channel->updateFullForced();
|
|
}
|
|
}).fail([=] {
|
|
_kickRequests.remove(kick);
|
|
}).send();
|
|
|
|
_kickRequests.emplace(kick, requestId);
|
|
}
|
|
|
|
void ChatParticipants::loadSimilarChannels(not_null<ChannelData*> channel) {
|
|
if (!channel->isBroadcast()) {
|
|
return;
|
|
} else if (const auto i = _similar.find(channel); i != end(_similar)) {
|
|
if (i->second.requestId
|
|
|| !i->second.channels.more
|
|
|| !channel->session().premium()) {
|
|
return;
|
|
}
|
|
}
|
|
using Flag = MTPchannels_GetChannelRecommendations::Flag;
|
|
_similar[channel].requestId = _api.request(
|
|
MTPchannels_GetChannelRecommendations(
|
|
MTP_flags(Flag::f_channel),
|
|
channel->inputChannel)
|
|
).done([=](const MTPmessages_Chats &result) {
|
|
auto &similar = _similar[channel];
|
|
similar.requestId = 0;
|
|
auto parsed = ParseSimilar(channel, result);
|
|
if (similar.channels == parsed) {
|
|
return;
|
|
}
|
|
similar.channels = std::move(parsed);
|
|
if (const auto history = channel->owner().historyLoaded(channel)) {
|
|
if (const auto item = history->joinedMessageInstance()) {
|
|
history->owner().requestItemResize(item);
|
|
}
|
|
}
|
|
_similarLoaded.fire_copy(channel);
|
|
}).send();
|
|
}
|
|
|
|
auto ChatParticipants::similar(not_null<ChannelData*> channel)
|
|
-> const Channels & {
|
|
const auto i = channel->isBroadcast()
|
|
? _similar.find(channel)
|
|
: end(_similar);
|
|
if (i != end(_similar)) {
|
|
return i->second.channels;
|
|
}
|
|
static const auto empty = Channels();
|
|
return empty;
|
|
}
|
|
|
|
auto ChatParticipants::similarLoaded() const
|
|
-> rpl::producer<not_null<ChannelData*>> {
|
|
return _similarLoaded.events();
|
|
}
|
|
|
|
} // namespace Api
|