571 lines
		
	
	
	
		
			15 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			571 lines
		
	
	
	
		
			15 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
 | 
						|
This file is part of Telegram Desktop,
 | 
						|
the official desktop application for the Telegram messaging service.
 | 
						|
 | 
						|
For license and copyright information please follow this link:
 | 
						|
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 | 
						|
*/
 | 
						|
#include "data/data_chat.h"
 | 
						|
 | 
						|
#include "data/data_user.h"
 | 
						|
#include "data/data_channel.h"
 | 
						|
#include "data/data_session.h"
 | 
						|
#include "data/data_changes.h"
 | 
						|
#include "data/data_group_call.h"
 | 
						|
#include "data/data_message_reactions.h"
 | 
						|
#include "history/history.h"
 | 
						|
#include "main/main_session.h"
 | 
						|
#include "apiwrap.h"
 | 
						|
#include "api/api_invite_links.h"
 | 
						|
 | 
						|
namespace {
 | 
						|
 | 
						|
using UpdateFlag = Data::PeerUpdate::Flag;
 | 
						|
 | 
						|
} // namespace
 | 
						|
 | 
						|
ChatData::ChatData(not_null<Data::Session*> owner, PeerId id)
 | 
						|
: PeerData(owner, id)
 | 
						|
, inputChat(MTP_long(peerToChat(id).bare)) {
 | 
						|
	_flags.changes(
 | 
						|
	) | rpl::start_with_next([=](const Flags::Change &change) {
 | 
						|
		if (change.diff & Flag::CallNotEmpty) {
 | 
						|
			if (const auto history = this->owner().historyLoaded(this)) {
 | 
						|
				history->updateChatListEntry();
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}, _lifetime);
 | 
						|
}
 | 
						|
 | 
						|
void ChatData::setPhoto(const MTPChatPhoto &photo) {
 | 
						|
	photo.match([&](const MTPDchatPhoto &data) {
 | 
						|
		updateUserpic(data.vphoto_id().v, data.vdc_id().v);
 | 
						|
	}, [&](const MTPDchatPhotoEmpty &) {
 | 
						|
		clearUserpic();
 | 
						|
	});
 | 
						|
}
 | 
						|
 | 
						|
ChatAdminRightsInfo ChatData::defaultAdminRights(not_null<UserData*> user) {
 | 
						|
	const auto isCreator = (creator == peerToUser(user->id))
 | 
						|
		|| (user->isSelf() && amCreator());
 | 
						|
	using Flag = ChatAdminRight;
 | 
						|
	return ChatAdminRightsInfo(Flag::Other
 | 
						|
		| Flag::ChangeInfo
 | 
						|
		| Flag::DeleteMessages
 | 
						|
		| Flag::BanUsers
 | 
						|
		| Flag::InviteUsers
 | 
						|
		| Flag::PinMessages
 | 
						|
		| Flag::ManageCall
 | 
						|
		| (isCreator ? Flag::AddAdmins : Flag(0)));
 | 
						|
}
 | 
						|
 | 
						|
bool ChatData::canWrite() const {
 | 
						|
	// Duplicated in Data::CanWriteValue().
 | 
						|
	return amIn() && !amRestricted(ChatRestriction::SendMessages);
 | 
						|
}
 | 
						|
 | 
						|
bool ChatData::allowsForwarding() const {
 | 
						|
	return !(flags() & Flag::NoForwards);
 | 
						|
}
 | 
						|
 | 
						|
bool ChatData::canEditInformation() const {
 | 
						|
	return amIn() && !amRestricted(ChatRestriction::ChangeInfo);
 | 
						|
}
 | 
						|
 | 
						|
bool ChatData::canEditPermissions() const {
 | 
						|
	return amIn()
 | 
						|
		&& (amCreator() || (adminRights() & ChatAdminRight::BanUsers));
 | 
						|
}
 | 
						|
 | 
						|
bool ChatData::canEditUsername() const {
 | 
						|
	return amCreator()
 | 
						|
		&& (flags() & Flag::CanSetUsername);
 | 
						|
}
 | 
						|
 | 
						|
bool ChatData::canEditPreHistoryHidden() const {
 | 
						|
	return amCreator();
 | 
						|
}
 | 
						|
 | 
						|
bool ChatData::canDeleteMessages() const {
 | 
						|
	return amCreator()
 | 
						|
		|| (adminRights() & ChatAdminRight::DeleteMessages);
 | 
						|
}
 | 
						|
 | 
						|
bool ChatData::canAddMembers() const {
 | 
						|
	return amIn() && !amRestricted(ChatRestriction::InviteUsers);
 | 
						|
}
 | 
						|
 | 
						|
bool ChatData::canSendPolls() const {
 | 
						|
	return amIn() && !amRestricted(ChatRestriction::SendPolls);
 | 
						|
}
 | 
						|
 | 
						|
bool ChatData::canAddAdmins() const {
 | 
						|
	return amIn() && amCreator();
 | 
						|
}
 | 
						|
 | 
						|
bool ChatData::canBanMembers() const {
 | 
						|
	return amCreator()
 | 
						|
		|| (adminRights() & ChatAdminRight::BanUsers);
 | 
						|
}
 | 
						|
 | 
						|
bool ChatData::anyoneCanAddMembers() const {
 | 
						|
	return !(defaultRestrictions() & ChatRestriction::InviteUsers);
 | 
						|
}
 | 
						|
 | 
						|
void ChatData::setName(const QString &newName) {
 | 
						|
	updateNameDelayed(newName.isEmpty() ? name : newName, QString(), QString());
 | 
						|
}
 | 
						|
 | 
						|
void ChatData::applyEditAdmin(not_null<UserData*> user, bool isAdmin) {
 | 
						|
	if (isAdmin) {
 | 
						|
		admins.emplace(user);
 | 
						|
	} else {
 | 
						|
		admins.remove(user);
 | 
						|
	}
 | 
						|
	session().changes().peerUpdated(this, UpdateFlag::Admins);
 | 
						|
}
 | 
						|
 | 
						|
void ChatData::invalidateParticipants() {
 | 
						|
	participants.clear();
 | 
						|
	admins.clear();
 | 
						|
	setAdminRights(ChatAdminRights());
 | 
						|
	//setDefaultRestrictions(ChatRestrictions());
 | 
						|
	invitedByMe.clear();
 | 
						|
	botStatus = 0;
 | 
						|
	session().changes().peerUpdated(
 | 
						|
		this,
 | 
						|
		UpdateFlag::Members | UpdateFlag::Admins);
 | 
						|
}
 | 
						|
 | 
						|
void ChatData::setInviteLink(const QString &newInviteLink) {
 | 
						|
	_inviteLink = newInviteLink;
 | 
						|
}
 | 
						|
 | 
						|
bool ChatData::canHaveInviteLink() const {
 | 
						|
	return amCreator()
 | 
						|
		|| (adminRights() & ChatAdminRight::InviteUsers);
 | 
						|
}
 | 
						|
 | 
						|
void ChatData::setAdminRights(ChatAdminRights rights) {
 | 
						|
	if (rights == adminRights()) {
 | 
						|
		return;
 | 
						|
	}
 | 
						|
	_adminRights.set(rights);
 | 
						|
	if (!canHaveInviteLink()) {
 | 
						|
		setPendingRequestsCount(0, std::vector<UserId>{});
 | 
						|
	}
 | 
						|
	session().changes().peerUpdated(
 | 
						|
		this,
 | 
						|
		UpdateFlag::Rights | UpdateFlag::Admins | UpdateFlag::BannedUsers);
 | 
						|
}
 | 
						|
 | 
						|
void ChatData::setDefaultRestrictions(ChatRestrictions rights) {
 | 
						|
	if (rights == defaultRestrictions()) {
 | 
						|
		return;
 | 
						|
	}
 | 
						|
	_defaultRestrictions.set(rights);
 | 
						|
	session().changes().peerUpdated(this, UpdateFlag::Rights);
 | 
						|
}
 | 
						|
 | 
						|
void ChatData::refreshBotStatus() {
 | 
						|
	if (participants.empty()) {
 | 
						|
		botStatus = 0;
 | 
						|
	} else {
 | 
						|
		const auto bot = ranges::none_of(participants, &UserData::isBot);
 | 
						|
		botStatus = bot ? -1 : 2;
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
auto ChatData::applyUpdateVersion(int version) -> UpdateStatus {
 | 
						|
	if (_version > version) {
 | 
						|
		return UpdateStatus::TooOld;
 | 
						|
	} else if (_version + 1 < version) {
 | 
						|
		invalidateParticipants();
 | 
						|
		session().api().requestFullPeer(this);
 | 
						|
		return UpdateStatus::Skipped;
 | 
						|
	}
 | 
						|
	setVersion(version);
 | 
						|
	return UpdateStatus::Good;
 | 
						|
}
 | 
						|
 | 
						|
ChannelData *ChatData::getMigrateToChannel() const {
 | 
						|
	return _migratedTo;
 | 
						|
}
 | 
						|
 | 
						|
void ChatData::setMigrateToChannel(ChannelData *channel) {
 | 
						|
	if (_migratedTo != channel) {
 | 
						|
		_migratedTo = channel;
 | 
						|
		if (channel->amIn()) {
 | 
						|
			session().changes().peerUpdated(this, UpdateFlag::Migration);
 | 
						|
		}
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
void ChatData::setGroupCall(
 | 
						|
		const MTPInputGroupCall &call,
 | 
						|
		TimeId scheduleDate) {
 | 
						|
	if (migrateTo()) {
 | 
						|
		return;
 | 
						|
	}
 | 
						|
	call.match([&](const MTPDinputGroupCall &data) {
 | 
						|
		if (_call && _call->id() == data.vid().v) {
 | 
						|
			return;
 | 
						|
		} else if (!_call && !data.vid().v) {
 | 
						|
			return;
 | 
						|
		} else if (!data.vid().v) {
 | 
						|
			clearGroupCall();
 | 
						|
			return;
 | 
						|
		}
 | 
						|
		const auto hasCall = (_call != nullptr);
 | 
						|
		if (hasCall) {
 | 
						|
			owner().unregisterGroupCall(_call.get());
 | 
						|
		}
 | 
						|
		_call = std::make_unique<Data::GroupCall>(
 | 
						|
			this,
 | 
						|
			data.vid().v,
 | 
						|
			data.vaccess_hash().v,
 | 
						|
			scheduleDate);
 | 
						|
		owner().registerGroupCall(_call.get());
 | 
						|
		session().changes().peerUpdated(this, UpdateFlag::GroupCall);
 | 
						|
		addFlags(Flag::CallActive);
 | 
						|
	});
 | 
						|
}
 | 
						|
 | 
						|
void ChatData::clearGroupCall() {
 | 
						|
	if (!_call) {
 | 
						|
		return;
 | 
						|
	} else if (const auto group = migrateTo(); group && !group->groupCall()) {
 | 
						|
		group->migrateCall(base::take(_call));
 | 
						|
	} else {
 | 
						|
		owner().unregisterGroupCall(_call.get());
 | 
						|
		_call = nullptr;
 | 
						|
	}
 | 
						|
	session().changes().peerUpdated(this, UpdateFlag::GroupCall);
 | 
						|
	removeFlags(Flag::CallActive | Flag::CallNotEmpty);
 | 
						|
}
 | 
						|
 | 
						|
void ChatData::setGroupCallDefaultJoinAs(PeerId peerId) {
 | 
						|
	_callDefaultJoinAs = peerId;
 | 
						|
}
 | 
						|
 | 
						|
PeerId ChatData::groupCallDefaultJoinAs() const {
 | 
						|
	return _callDefaultJoinAs;
 | 
						|
}
 | 
						|
 | 
						|
void ChatData::setBotCommands(const MTPVector<MTPBotInfo> &data) {
 | 
						|
	if (Data::UpdateBotCommands(_botCommands, data)) {
 | 
						|
		owner().botCommandsChanged(this);
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
void ChatData::setBotCommands(
 | 
						|
		UserId botId,
 | 
						|
		const MTPVector<MTPBotCommand> &data) {
 | 
						|
	if (Data::UpdateBotCommands(_botCommands, botId, data)) {
 | 
						|
		owner().botCommandsChanged(this);
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
void ChatData::setPendingRequestsCount(
 | 
						|
		int count,
 | 
						|
		const QVector<MTPlong> &recentRequesters) {
 | 
						|
	setPendingRequestsCount(count, ranges::views::all(
 | 
						|
		recentRequesters
 | 
						|
	) | ranges::views::transform([&](const MTPlong &value) {
 | 
						|
		return UserId(value);
 | 
						|
	}) | ranges::to_vector);
 | 
						|
}
 | 
						|
 | 
						|
void ChatData::setPendingRequestsCount(
 | 
						|
		int count,
 | 
						|
		std::vector<UserId> recentRequesters) {
 | 
						|
	if (_pendingRequestsCount != count
 | 
						|
		|| _recentRequesters != recentRequesters) {
 | 
						|
		_pendingRequestsCount = count;
 | 
						|
		_recentRequesters = std::move(recentRequesters);
 | 
						|
		session().changes().peerUpdated(this, UpdateFlag::PendingRequests);
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
void ChatData::setAllowedReactions(base::flat_set<QString> list) {
 | 
						|
	if (_allowedReactions != list) {
 | 
						|
		const auto toggled = (_allowedReactions.empty() != list.empty());
 | 
						|
		_allowedReactions = std::move(list);
 | 
						|
		if (toggled) {
 | 
						|
			owner().reactions().updateAllInHistory(
 | 
						|
				this,
 | 
						|
				!_allowedReactions.empty());
 | 
						|
		}
 | 
						|
		session().changes().peerUpdated(this, UpdateFlag::Reactions);
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
const base::flat_set<QString> &ChatData::allowedReactions() const {
 | 
						|
	return _allowedReactions;
 | 
						|
}
 | 
						|
 | 
						|
namespace Data {
 | 
						|
 | 
						|
void ApplyChatUpdate(
 | 
						|
		not_null<ChatData*> chat,
 | 
						|
		const MTPDupdateChatParticipants &update) {
 | 
						|
	ApplyChatUpdate(chat, update.vparticipants());
 | 
						|
}
 | 
						|
 | 
						|
void ApplyChatUpdate(
 | 
						|
		not_null<ChatData*> chat,
 | 
						|
		const MTPDupdateChatParticipantAdd &update) {
 | 
						|
	if (chat->applyUpdateVersion(update.vversion().v)
 | 
						|
		!= ChatData::UpdateStatus::Good) {
 | 
						|
		return;
 | 
						|
	} else if (chat->count < 0) {
 | 
						|
		return;
 | 
						|
	}
 | 
						|
	const auto user = chat->owner().userLoaded(update.vuser_id().v);
 | 
						|
	const auto session = &chat->session();
 | 
						|
	if (!user
 | 
						|
		|| (!chat->participants.empty()
 | 
						|
			&& chat->participants.contains(user))) {
 | 
						|
		chat->invalidateParticipants();
 | 
						|
		++chat->count;
 | 
						|
		return;
 | 
						|
	}
 | 
						|
	if (chat->participants.empty()) {
 | 
						|
		if (chat->count > 0) { // If the count is known.
 | 
						|
			++chat->count;
 | 
						|
		}
 | 
						|
		chat->botStatus = 0;
 | 
						|
	} else {
 | 
						|
		chat->participants.emplace(user);
 | 
						|
		if (UserId(update.vinviter_id()) == session->userId()) {
 | 
						|
			chat->invitedByMe.insert(user);
 | 
						|
		} else {
 | 
						|
			chat->invitedByMe.remove(user);
 | 
						|
		}
 | 
						|
		++chat->count;
 | 
						|
		if (user->isBot()) {
 | 
						|
			chat->botStatus = 2;
 | 
						|
			if (!user->botInfo->inited) {
 | 
						|
				session->api().requestFullPeer(user);
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
	session->changes().peerUpdated(chat, UpdateFlag::Members);
 | 
						|
}
 | 
						|
 | 
						|
void ApplyChatUpdate(
 | 
						|
		not_null<ChatData*> chat,
 | 
						|
		const MTPDupdateChatParticipantDelete &update) {
 | 
						|
	if (chat->applyUpdateVersion(update.vversion().v)
 | 
						|
		!= ChatData::UpdateStatus::Good) {
 | 
						|
		return;
 | 
						|
	} else if (chat->count <= 0) {
 | 
						|
		return;
 | 
						|
	}
 | 
						|
	const auto user = chat->owner().userLoaded(update.vuser_id().v);
 | 
						|
	if (!user
 | 
						|
		|| (!chat->participants.empty()
 | 
						|
			&& !chat->participants.contains(user))) {
 | 
						|
		chat->invalidateParticipants();
 | 
						|
		--chat->count;
 | 
						|
		return;
 | 
						|
	}
 | 
						|
	if (chat->participants.empty()) {
 | 
						|
		if (chat->count > 0) {
 | 
						|
			chat->count--;
 | 
						|
		}
 | 
						|
		chat->botStatus = 0;
 | 
						|
	} else {
 | 
						|
		chat->participants.erase(user);
 | 
						|
		chat->count--;
 | 
						|
		chat->invitedByMe.remove(user);
 | 
						|
		chat->admins.remove(user);
 | 
						|
		if (user->isSelf()) {
 | 
						|
			chat->setAdminRights(ChatAdminRights());
 | 
						|
		}
 | 
						|
		if (const auto history = chat->owner().historyLoaded(chat)) {
 | 
						|
			if (history->lastKeyboardFrom == user->id) {
 | 
						|
				history->clearLastKeyboard();
 | 
						|
			}
 | 
						|
		}
 | 
						|
		if (chat->botStatus > 0 && user->isBot()) {
 | 
						|
			chat->refreshBotStatus();
 | 
						|
		}
 | 
						|
	}
 | 
						|
	chat->session().changes().peerUpdated(chat, UpdateFlag::Members);
 | 
						|
}
 | 
						|
 | 
						|
void ApplyChatUpdate(
 | 
						|
		not_null<ChatData*> chat,
 | 
						|
		const MTPDupdateChatParticipantAdmin &update) {
 | 
						|
	if (chat->applyUpdateVersion(update.vversion().v)
 | 
						|
		!= ChatData::UpdateStatus::Good) {
 | 
						|
		return;
 | 
						|
	}
 | 
						|
	const auto session = &chat->session();
 | 
						|
	const auto user = chat->owner().userLoaded(update.vuser_id().v);
 | 
						|
	if (!user) {
 | 
						|
		chat->invalidateParticipants();
 | 
						|
		return;
 | 
						|
	}
 | 
						|
	if (user->isSelf()) {
 | 
						|
		chat->setAdminRights(mtpIsTrue(update.vis_admin())
 | 
						|
			? chat->defaultAdminRights(user).flags
 | 
						|
			: ChatAdminRights());
 | 
						|
	}
 | 
						|
	if (mtpIsTrue(update.vis_admin())) {
 | 
						|
		if (chat->noParticipantInfo()) {
 | 
						|
			session->api().requestFullPeer(chat);
 | 
						|
		} else {
 | 
						|
			chat->admins.emplace(user);
 | 
						|
		}
 | 
						|
	} else {
 | 
						|
		chat->admins.erase(user);
 | 
						|
	}
 | 
						|
	session->changes().peerUpdated(chat, UpdateFlag::Admins);
 | 
						|
}
 | 
						|
 | 
						|
void ApplyChatUpdate(
 | 
						|
		not_null<ChatData*> chat,
 | 
						|
		const MTPDupdateChatDefaultBannedRights &update) {
 | 
						|
	if (chat->applyUpdateVersion(update.vversion().v)
 | 
						|
		!= ChatData::UpdateStatus::Good) {
 | 
						|
		return;
 | 
						|
	}
 | 
						|
	chat->setDefaultRestrictions(ChatRestrictionsInfo(
 | 
						|
		update.vdefault_banned_rights()).flags);
 | 
						|
}
 | 
						|
 | 
						|
void ApplyChatUpdate(not_null<ChatData*> chat, const MTPDchatFull &update) {
 | 
						|
	ApplyChatUpdate(chat, update.vparticipants());
 | 
						|
 | 
						|
	if (const auto call = update.vcall()) {
 | 
						|
		chat->setGroupCall(*call);
 | 
						|
	} else {
 | 
						|
		chat->clearGroupCall();
 | 
						|
	}
 | 
						|
	if (const auto as = update.vgroupcall_default_join_as()) {
 | 
						|
		chat->setGroupCallDefaultJoinAs(peerFromMTP(*as));
 | 
						|
	} else {
 | 
						|
		chat->setGroupCallDefaultJoinAs(0);
 | 
						|
	}
 | 
						|
 | 
						|
	chat->setMessagesTTL(update.vttl_period().value_or_empty());
 | 
						|
	if (const auto info = update.vbot_info()) {
 | 
						|
		chat->setBotCommands(*info);
 | 
						|
	} else {
 | 
						|
		chat->setBotCommands(MTP_vector<MTPBotInfo>());
 | 
						|
	}
 | 
						|
	using Flag = ChatDataFlag;
 | 
						|
	const auto mask = Flag::CanSetUsername;
 | 
						|
	chat->setFlags((chat->flags() & ~mask)
 | 
						|
		| (update.is_can_set_username() ? Flag::CanSetUsername : Flag()));
 | 
						|
	if (const auto photo = update.vchat_photo()) {
 | 
						|
		chat->setUserpicPhoto(*photo);
 | 
						|
	} else {
 | 
						|
		chat->setUserpicPhoto(MTP_photoEmpty(MTP_long(0)));
 | 
						|
	}
 | 
						|
	if (const auto invite = update.vexported_invite()) {
 | 
						|
		chat->session().api().inviteLinks().setMyPermanent(chat, *invite);
 | 
						|
	} else {
 | 
						|
		chat->session().api().inviteLinks().clearMyPermanent(chat);
 | 
						|
	}
 | 
						|
	if (const auto pinned = update.vpinned_msg_id()) {
 | 
						|
		SetTopPinnedMessageId(chat, pinned->v);
 | 
						|
	}
 | 
						|
	chat->checkFolder(update.vfolder_id().value_or_empty());
 | 
						|
	chat->setThemeEmoji(qs(update.vtheme_emoticon().value_or_empty()));
 | 
						|
	chat->setAllowedReactions(
 | 
						|
		Data::Reactions::ParseAllowed(update.vavailable_reactions()));
 | 
						|
	chat->fullUpdated();
 | 
						|
	chat->setAbout(qs(update.vabout()));
 | 
						|
	chat->setPendingRequestsCount(
 | 
						|
		update.vrequests_pending().value_or_empty(),
 | 
						|
		update.vrecent_requesters().value_or_empty());
 | 
						|
 | 
						|
	chat->session().api().applyNotifySettings(
 | 
						|
		MTP_inputNotifyPeer(chat->input),
 | 
						|
		update.vnotify_settings());
 | 
						|
}
 | 
						|
 | 
						|
void ApplyChatUpdate(
 | 
						|
		not_null<ChatData*> chat,
 | 
						|
		const MTPChatParticipants &participants) {
 | 
						|
	const auto session = &chat->session();
 | 
						|
	participants.match([&](const MTPDchatParticipantsForbidden &data) {
 | 
						|
		if (const auto self = data.vself_participant()) {
 | 
						|
			// self->
 | 
						|
		}
 | 
						|
		chat->count = -1;
 | 
						|
		chat->invalidateParticipants();
 | 
						|
	}, [&](const MTPDchatParticipants &data) {
 | 
						|
		const auto status = chat->applyUpdateVersion(data.vversion().v);
 | 
						|
		if (status == ChatData::UpdateStatus::TooOld) {
 | 
						|
			return;
 | 
						|
		}
 | 
						|
		// Even if we skipped some updates, we got current participants
 | 
						|
		// and we've requested peer from API to have current rights.
 | 
						|
		chat->setVersion(data.vversion().v);
 | 
						|
 | 
						|
		const auto &list = data.vparticipants().v;
 | 
						|
		chat->count = list.size();
 | 
						|
		chat->participants.clear();
 | 
						|
		chat->invitedByMe.clear();
 | 
						|
		chat->admins.clear();
 | 
						|
		chat->setAdminRights(ChatAdminRights());
 | 
						|
		const auto selfUserId = session->userId();
 | 
						|
		for (const auto &participant : list) {
 | 
						|
			const auto userId = participant.match([&](const auto &data) {
 | 
						|
				return data.vuser_id().v;
 | 
						|
			});
 | 
						|
			const auto user = chat->owner().userLoaded(userId);
 | 
						|
			if (!user) {
 | 
						|
				chat->invalidateParticipants();
 | 
						|
				break;
 | 
						|
			}
 | 
						|
 | 
						|
			chat->participants.emplace(user);
 | 
						|
 | 
						|
			const auto inviterId = participant.match([&](
 | 
						|
					const MTPDchatParticipantCreator &data) {
 | 
						|
				return UserId(0);
 | 
						|
			}, [&](const auto &data) {
 | 
						|
				return UserId(data.vinviter_id());
 | 
						|
			});
 | 
						|
			if (inviterId == selfUserId) {
 | 
						|
				chat->invitedByMe.insert(user);
 | 
						|
			}
 | 
						|
 | 
						|
			participant.match([&](const MTPDchatParticipantCreator &data) {
 | 
						|
				chat->creator = userId;
 | 
						|
			}, [&](const MTPDchatParticipantAdmin &data) {
 | 
						|
				chat->admins.emplace(user);
 | 
						|
				if (user->isSelf()) {
 | 
						|
					chat->setAdminRights(
 | 
						|
						chat->defaultAdminRights(user).flags);
 | 
						|
				}
 | 
						|
			}, [](const MTPDchatParticipant &) {
 | 
						|
			});
 | 
						|
		}
 | 
						|
		if (chat->participants.empty()) {
 | 
						|
			return;
 | 
						|
		}
 | 
						|
		if (const auto history = chat->owner().historyLoaded(chat)) {
 | 
						|
			if (history->lastKeyboardFrom) {
 | 
						|
				const auto i = ranges::find(
 | 
						|
					chat->participants,
 | 
						|
					history->lastKeyboardFrom,
 | 
						|
					&UserData::id);
 | 
						|
				if (i == end(chat->participants)) {
 | 
						|
					history->clearLastKeyboard();
 | 
						|
				}
 | 
						|
			}
 | 
						|
		}
 | 
						|
		chat->refreshBotStatus();
 | 
						|
		session->changes().peerUpdated(
 | 
						|
			chat,
 | 
						|
			UpdateFlag::Members | UpdateFlag::Admins);
 | 
						|
	});
 | 
						|
}
 | 
						|
 | 
						|
} // namespace Data
 |