tdesktop/Telegram/SourceFiles/data/data_chat.cpp

510 lines
13 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 "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_int(peerToChat(id).bare)) {
_flags.changes(
) | rpl::start_with_next([=](const Flags::Change &change) {
if (change.diff & MTPDchat::Flag::f_call_not_empty) {
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();
});
}
auto ChatData::defaultAdminRights(not_null<UserData*> user) -> AdminRights {
const auto isCreator = (creator == peerToUser(user->id))
|| (user->isSelf() && amCreator());
using Flag = AdminRight;
return Flag::f_other
| Flag::f_change_info
| Flag::f_delete_messages
| Flag::f_ban_users
| Flag::f_invite_users
| Flag::f_pin_messages
| Flag::f_manage_call
| (isCreator ? Flag::f_add_admins : Flag(0));
}
bool ChatData::canWrite() const {
// Duplicated in Data::CanWriteValue().
return amIn() && !amRestricted(Restriction::f_send_messages);
}
bool ChatData::canEditInformation() const {
return amIn() && !amRestricted(Restriction::f_change_info);
}
bool ChatData::canEditPermissions() const {
return amIn()
&& (amCreator() || (adminRights() & AdminRight::f_ban_users));
}
bool ChatData::canEditUsername() const {
return amCreator()
&& (fullFlags() & MTPDchatFull::Flag::f_can_set_username);
}
bool ChatData::canEditPreHistoryHidden() const {
return amCreator();
}
bool ChatData::canDeleteMessages() const {
return amCreator()
|| (adminRights() & AdminRight::f_delete_messages);
}
bool ChatData::canAddMembers() const {
return amIn() && !amRestricted(Restriction::f_invite_users);
}
bool ChatData::canSendPolls() const {
return amIn() && !amRestricted(Restriction::f_send_polls);
}
bool ChatData::canAddAdmins() const {
return amIn() && amCreator();
}
bool ChatData::canBanMembers() const {
return amCreator()
|| (adminRights() & AdminRight::f_ban_users);
}
bool ChatData::anyoneCanAddMembers() const {
return !(defaultRestrictions() & Restriction::f_invite_users);
}
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(MTP_chatAdminRights(MTP_flags(0)));
//setDefaultRestrictions(MTP_chatBannedRights(MTP_flags(0), MTP_int(0)));
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() & AdminRight::f_invite_users);
}
void ChatData::setAdminRights(const MTPChatAdminRights &rights) {
if (rights.c_chatAdminRights().vflags().v == adminRights()) {
return;
}
_adminRights.set(rights.c_chatAdminRights().vflags().v);
session().changes().peerUpdated(
this,
UpdateFlag::Rights | UpdateFlag::Admins | UpdateFlag::BannedUsers);
}
void ChatData::setDefaultRestrictions(const MTPChatBannedRights &rights) {
const auto restrictionFlags = Data::ChatBannedRightsFlags(rights);
if (restrictionFlags == defaultRestrictions()) {
return;
}
_defaultRestrictions.set(restrictionFlags);
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(MTPDchat::Flag::f_call_active);
});
}
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(MTPDchat::Flag::f_call_active
| MTPDchat::Flag::f_call_not_empty);
}
void ChatData::setGroupCallDefaultJoinAs(PeerId peerId) {
_callDefaultJoinAs = peerId;
}
PeerId ChatData::groupCallDefaultJoinAs() const {
return _callDefaultJoinAs;
}
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(MTP_chatAdminRights(MTP_flags(0)));
}
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(MTP_chatAdminRights(mtpIsTrue(update.vis_admin())
? MTP_flags(chat->defaultAdminRights(user))
: MTP_flags(0)));
}
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(update.vdefault_banned_rights());
}
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()) {
for (const auto &item : info->v) {
item.match([&](const MTPDbotInfo &data) {
const auto userId = data.vuser_id().v;
if (const auto bot = chat->owner().userLoaded(userId)) {
bot->setBotInfo(item);
chat->session().api().fullPeerUpdated().notify(bot);
}
});
}
}
chat->setFullFlags(update.vflags().v);
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->fullUpdated();
chat->setAbout(qs(update.vabout()));
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(MTP_chatAdminRights(MTP_flags(0)));
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(MTP_chatAdminRights(
MTP_flags(chat->defaultAdminRights(user))));
}
}, [](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