472 lines
14 KiB
C++
472 lines
14 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_channel.h"
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#include "data/data_peer_values.h"
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#include "data/data_channel_admins.h"
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#include "data/data_user.h"
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#include "data/data_session.h"
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#include "data/data_feed.h"
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#include "observer_peer.h"
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#include "auth_session.h"
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namespace {
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using UpdateFlag = Notify::PeerUpdate::Flag;
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} // namespace
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ChannelData::ChannelData(not_null<Data::Session*> owner, PeerId id)
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: PeerData(owner, id)
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, inputChannel(MTP_inputChannel(MTP_int(bareId()), MTP_long(0))) {
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Data::PeerFlagValue(
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this,
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MTPDchannel::Flag::f_megagroup
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) | rpl::start_with_next([this](bool megagroup) {
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if (megagroup) {
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if (!mgInfo) {
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mgInfo = std::make_unique<MegagroupInfo>();
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}
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} else if (mgInfo) {
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mgInfo = nullptr;
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}
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}, _lifetime);
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}
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void ChannelData::setPhoto(const MTPChatPhoto &photo) {
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setPhoto(userpicPhotoId(), photo);
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}
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void ChannelData::setPhoto(PhotoId photoId, const MTPChatPhoto &photo) {
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if (photo.type() == mtpc_chatPhoto) {
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const auto &data = photo.c_chatPhoto();
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updateUserpic(photoId, data.vphoto_small);
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} else {
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clearUserpic();
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}
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}
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void ChannelData::setName(const QString &newName, const QString &newUsername) {
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updateNameDelayed(newName.isEmpty() ? name : newName, QString(), newUsername);
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}
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bool ChannelData::setAbout(const QString &newAbout) {
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if (_about == newAbout) {
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return false;
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}
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_about = newAbout;
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Notify::peerUpdatedDelayed(this, UpdateFlag::AboutChanged);
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return true;
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}
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void ChannelData::setInviteLink(const QString &newInviteLink) {
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if (newInviteLink != _inviteLink) {
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_inviteLink = newInviteLink;
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Notify::peerUpdatedDelayed(this, UpdateFlag::InviteLinkChanged);
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}
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}
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QString ChannelData::inviteLink() const {
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return _inviteLink;
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}
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bool ChannelData::canHaveInviteLink() const {
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return (adminRights() & AdminRight::f_invite_users)
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|| amCreator();
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}
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void ChannelData::setMembersCount(int newMembersCount) {
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if (_membersCount != newMembersCount) {
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if (isMegagroup() && !mgInfo->lastParticipants.empty()) {
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mgInfo->lastParticipantsStatus |= MegagroupInfo::LastParticipantsCountOutdated;
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mgInfo->lastParticipantsCount = membersCount();
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}
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_membersCount = newMembersCount;
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Notify::peerUpdatedDelayed(this, Notify::PeerUpdate::Flag::MembersChanged);
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}
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}
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void ChannelData::setAdminsCount(int newAdminsCount) {
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if (_adminsCount != newAdminsCount) {
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_adminsCount = newAdminsCount;
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Notify::peerUpdatedDelayed(this, Notify::PeerUpdate::Flag::AdminsChanged);
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}
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}
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void ChannelData::setRestrictedCount(int newRestrictedCount) {
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if (_restrictedCount != newRestrictedCount) {
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_restrictedCount = newRestrictedCount;
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Notify::peerUpdatedDelayed(this, Notify::PeerUpdate::Flag::BannedUsersChanged);
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}
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}
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void ChannelData::setKickedCount(int newKickedCount) {
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if (_kickedCount != newKickedCount) {
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_kickedCount = newKickedCount;
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Notify::peerUpdatedDelayed(this, Notify::PeerUpdate::Flag::BannedUsersChanged);
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}
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}
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MTPChatBannedRights ChannelData::KickedRestrictedRights() {
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using Flag = MTPDchatBannedRights::Flag;
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auto flags = Flag::f_view_messages | Flag::f_send_messages | Flag::f_send_media | Flag::f_embed_links | Flag::f_send_stickers | Flag::f_send_gifs | Flag::f_send_games | Flag::f_send_inline;
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return MTP_chatBannedRights(MTP_flags(flags), MTP_int(std::numeric_limits<int32>::max()));
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}
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void ChannelData::applyEditAdmin(not_null<UserData*> user, const MTPChatAdminRights &oldRights, const MTPChatAdminRights &newRights) {
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auto flags = Notify::PeerUpdate::Flag::AdminsChanged | Notify::PeerUpdate::Flag::None;
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if (mgInfo) {
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// If rights are empty - still add participant? TODO check
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if (!base::contains(mgInfo->lastParticipants, user)) {
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mgInfo->lastParticipants.push_front(user);
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setMembersCount(membersCount() + 1);
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if (user->botInfo && !mgInfo->bots.contains(user)) {
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mgInfo->bots.insert(user);
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if (mgInfo->botStatus != 0 && mgInfo->botStatus < 2) {
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mgInfo->botStatus = 2;
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}
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}
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}
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// If rights are empty - still remove restrictions? TODO check
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if (mgInfo->lastRestricted.contains(user)) {
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mgInfo->lastRestricted.remove(user);
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if (restrictedCount() > 0) {
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setRestrictedCount(restrictedCount() - 1);
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}
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}
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auto userId = peerToUser(user->id);
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auto it = mgInfo->lastAdmins.find(user);
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if (newRights.c_chatAdminRights().vflags.v != 0) {
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auto lastAdmin = MegagroupInfo::Admin { newRights };
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lastAdmin.canEdit = true;
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if (it == mgInfo->lastAdmins.cend()) {
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mgInfo->lastAdmins.emplace(user, lastAdmin);
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setAdminsCount(adminsCount() + 1);
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} else {
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it->second = lastAdmin;
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}
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Data::ChannelAdminChanges(this).feed(userId, true);
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} else {
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if (it != mgInfo->lastAdmins.cend()) {
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mgInfo->lastAdmins.erase(it);
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if (adminsCount() > 0) {
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setAdminsCount(adminsCount() - 1);
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}
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}
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Data::ChannelAdminChanges(this).feed(userId, false);
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}
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}
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if (oldRights.c_chatAdminRights().vflags.v && !newRights.c_chatAdminRights().vflags.v) {
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// We removed an admin.
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if (adminsCount() > 1) {
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setAdminsCount(adminsCount() - 1);
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}
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if (!isMegagroup() && user->botInfo && membersCount() > 1) {
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// Removing bot admin removes it from channel.
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setMembersCount(membersCount() - 1);
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}
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} else if (!oldRights.c_chatAdminRights().vflags.v && newRights.c_chatAdminRights().vflags.v) {
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// We added an admin.
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setAdminsCount(adminsCount() + 1);
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updateFullForced();
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}
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Notify::peerUpdatedDelayed(this, flags);
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}
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void ChannelData::applyEditBanned(not_null<UserData*> user, const MTPChatBannedRights &oldRights, const MTPChatBannedRights &newRights) {
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auto flags = Notify::PeerUpdate::Flag::BannedUsersChanged | Notify::PeerUpdate::Flag::None;
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auto isKicked = (newRights.c_chatBannedRights().vflags.v & MTPDchatBannedRights::Flag::f_view_messages);
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auto isRestricted = !isKicked && (newRights.c_chatBannedRights().vflags.v != 0);
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if (mgInfo) {
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// If rights are empty - still remove admin? TODO check
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if (mgInfo->lastAdmins.contains(user)) {
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mgInfo->lastAdmins.remove(user);
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if (adminsCount() > 1) {
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setAdminsCount(adminsCount() - 1);
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} else {
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flags |= Notify::PeerUpdate::Flag::AdminsChanged;
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}
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}
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auto it = mgInfo->lastRestricted.find(user);
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if (isRestricted) {
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if (it == mgInfo->lastRestricted.cend()) {
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mgInfo->lastRestricted.emplace(user, MegagroupInfo::Restricted { newRights });
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setRestrictedCount(restrictedCount() + 1);
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} else {
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it->second.rights = newRights;
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}
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} else {
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if (it != mgInfo->lastRestricted.cend()) {
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mgInfo->lastRestricted.erase(it);
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if (restrictedCount() > 0) {
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setRestrictedCount(restrictedCount() - 1);
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}
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}
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if (isKicked) {
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auto i = ranges::find(mgInfo->lastParticipants, user);
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if (i != mgInfo->lastParticipants.end()) {
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mgInfo->lastParticipants.erase(i);
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}
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if (membersCount() > 1) {
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setMembersCount(membersCount() - 1);
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} else {
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mgInfo->lastParticipantsStatus |= MegagroupInfo::LastParticipantsCountOutdated;
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mgInfo->lastParticipantsCount = 0;
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}
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setKickedCount(kickedCount() + 1);
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if (mgInfo->bots.contains(user)) {
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mgInfo->bots.remove(user);
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if (mgInfo->bots.empty() && mgInfo->botStatus > 0) {
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mgInfo->botStatus = -1;
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}
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}
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flags |= Notify::PeerUpdate::Flag::MembersChanged;
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owner().removeMegagroupParticipant(this, user);
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}
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}
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Data::ChannelAdminChanges(this).feed(peerToUser(user->id), false);
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} else {
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if (isKicked) {
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if (membersCount() > 1) {
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setMembersCount(membersCount() - 1);
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flags |= Notify::PeerUpdate::Flag::MembersChanged;
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}
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setKickedCount(kickedCount() + 1);
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}
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}
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Notify::peerUpdatedDelayed(this, flags);
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}
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bool ChannelData::isGroupAdmin(not_null<UserData*> user) const {
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if (auto info = mgInfo.get()) {
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return info->admins.contains(peerToUser(user->id));
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}
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return false;
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}
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QString ChannelData::unavailableReason() const {
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return _unavailableReason;
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}
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void ChannelData::setUnavailableReason(const QString &text) {
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if (_unavailableReason != text) {
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_unavailableReason = text;
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Notify::peerUpdatedDelayed(
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this,
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Notify::PeerUpdate::Flag::UnavailableReasonChanged);
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}
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}
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void ChannelData::setAvailableMinId(MsgId availableMinId) {
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if (_availableMinId != availableMinId) {
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_availableMinId = availableMinId;
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if (pinnedMessageId() <= _availableMinId) {
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clearPinnedMessage();
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}
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}
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}
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void ChannelData::setFeed(not_null<Data::Feed*> feed) {
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setFeedPointer(feed);
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}
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void ChannelData::clearFeed() {
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setFeedPointer(nullptr);
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}
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void ChannelData::setFeedPointer(Data::Feed *feed) {
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if (_feed != feed) {
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const auto was = _feed;
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_feed = feed;
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if (was) {
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was->unregisterOne(this);
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}
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if (_feed) {
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_feed->registerOne(this);
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}
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}
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}
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bool ChannelData::canBanMembers() const {
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return (adminRights() & AdminRight::f_ban_users)
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|| amCreator();
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}
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bool ChannelData::canEditMessages() const {
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return (adminRights() & AdminRight::f_edit_messages)
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|| amCreator();
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}
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bool ChannelData::canDeleteMessages() const {
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return (adminRights() & AdminRight::f_delete_messages)
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|| amCreator();
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}
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bool ChannelData::anyoneCanAddMembers() const {
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// #TODO groups
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return false;// (flags() & MTPDchannel::Flag::f_democracy);
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}
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bool ChannelData::hiddenPreHistory() const {
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return (fullFlags() & MTPDchannelFull::Flag::f_hidden_prehistory);
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}
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bool ChannelData::canAddMembers() const {
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return !amRestricted(ChatRestriction::f_invite_users);
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}
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bool ChannelData::canAddAdmins() const {
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return amCreator()
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|| (adminRights() & AdminRight::f_add_admins);
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}
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bool ChannelData::canPublish() const {
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return amCreator()
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|| (adminRights() & AdminRight::f_post_messages);
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}
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bool ChannelData::canWrite() const {
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// Duplicated in Data::CanWriteValue().
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return amIn()
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&& (canPublish()
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|| (!isBroadcast()
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&& !amRestricted(Restriction::f_send_messages)));
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}
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bool ChannelData::canViewMembers() const {
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return fullFlags()
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& MTPDchannelFull::Flag::f_can_view_participants;
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}
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bool ChannelData::canViewAdmins() const {
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return (isMegagroup() || hasAdminRights() || amCreator());
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}
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bool ChannelData::canViewBanned() const {
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return (hasAdminRights() || amCreator());
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}
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bool ChannelData::canEditInformation() const {
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return !amRestricted(Restriction::f_change_info);
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}
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bool ChannelData::canEditSignatures() const {
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return canEditInformation();
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}
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bool ChannelData::canEditPreHistoryHidden() const {
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return canEditInformation();
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}
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bool ChannelData::canEditUsername() const {
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return amCreator()
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&& (fullFlags() & MTPDchannelFull::Flag::f_can_set_username);
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}
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bool ChannelData::canEditStickers() const {
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return (fullFlags() & MTPDchannelFull::Flag::f_can_set_stickers);
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}
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bool ChannelData::canDelete() const {
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constexpr auto kDeleteChannelMembersLimit = 1000;
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return amCreator()
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&& (membersCount() <= kDeleteChannelMembersLimit);
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}
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bool ChannelData::canEditLastAdmin(not_null<UserData*> user) const {
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// Duplicated in ParticipantsBoxController::canEditAdmin :(
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if (mgInfo) {
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auto i = mgInfo->lastAdmins.find(user);
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if (i != mgInfo->lastAdmins.cend()) {
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return i->second.canEdit;
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}
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return (user != mgInfo->creator);
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}
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return false;
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}
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bool ChannelData::canEditAdmin(not_null<UserData*> user) const {
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// Duplicated in ParticipantsBoxController::canEditAdmin :(
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if (user->isSelf()) {
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return false;
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} else if (amCreator()) {
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return true;
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} else if (!canEditLastAdmin(user)) {
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return false;
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}
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return adminRights() & AdminRight::f_add_admins;
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}
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bool ChannelData::canRestrictUser(not_null<UserData*> user) const {
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// Duplicated in ParticipantsBoxController::canRestrictUser :(
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if (user->isSelf()) {
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return false;
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} else if (amCreator()) {
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return true;
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} else if (!canEditLastAdmin(user)) {
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return false;
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}
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return adminRights() & AdminRight::f_ban_users;
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}
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void ChannelData::setAdminRights(const MTPChatAdminRights &rights) {
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if (rights.c_chatAdminRights().vflags.v == adminRights()) {
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return;
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}
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_adminRights.set(rights.c_chatAdminRights().vflags.v);
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if (isMegagroup()) {
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const auto self = session().user();
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if (hasAdminRights()) {
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if (!amCreator()) {
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auto me = MegagroupInfo::Admin { rights };
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me.canEdit = false;
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mgInfo->lastAdmins.emplace(self, me);
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}
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mgInfo->lastRestricted.remove(self);
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} else {
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mgInfo->lastAdmins.remove(self);
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}
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auto amAdmin = hasAdminRights() || amCreator();
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Data::ChannelAdminChanges(this).feed(session().userId(), amAdmin);
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}
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Notify::peerUpdatedDelayed(this, UpdateFlag::RightsChanged | UpdateFlag::AdminsChanged | UpdateFlag::BannedUsersChanged);
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}
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void ChannelData::setRestrictions(const MTPChatBannedRights &rights) {
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if (rights.c_chatBannedRights().vflags.v == restrictions()
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&& rights.c_chatBannedRights().vuntil_date.v == _restrictedUntil) {
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return;
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}
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_restrictedUntil = rights.c_chatBannedRights().vuntil_date.v;
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_restrictions.set(rights.c_chatBannedRights().vflags.v);
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if (isMegagroup()) {
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const auto self = session().user();
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if (hasRestrictions()) {
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if (!amCreator()) {
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auto me = MegagroupInfo::Restricted { rights };
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mgInfo->lastRestricted.emplace(self, me);
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}
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mgInfo->lastAdmins.remove(self);
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Data::ChannelAdminChanges(this).feed(session().userId(), false);
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} else {
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mgInfo->lastRestricted.remove(self);
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}
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}
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Notify::peerUpdatedDelayed(this, UpdateFlag::RightsChanged | UpdateFlag::AdminsChanged | UpdateFlag::BannedUsersChanged);
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}
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void ChannelData::setDefaultRestrictions(const MTPChatBannedRights &rights) {
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if (rights.c_chatBannedRights().vflags.v == defaultRestrictions()) {
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return;
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}
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_defaultRestrictions.set(rights.c_chatBannedRights().vflags.v);
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Notify::peerUpdatedDelayed(this, UpdateFlag::RightsChanged);
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}
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