tdesktop/Telegram/SourceFiles/boxes/peers/add_participants_box.cpp

1171 lines
31 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 "boxes/peers/add_participants_box.h"
#include "boxes/peers/edit_participant_box.h"
#include "boxes/confirm_box.h"
#include "lang/lang_keys.h"
#include "data/data_channel.h"
#include "data/data_chat.h"
#include "data/data_user.h"
#include "data/data_session.h"
#include "data/data_folder.h"
#include "data/data_changes.h"
#include "history/history.h"
#include "dialogs/dialogs_indexed_list.h"
#include "base/unixtime.h"
#include "main/main_session.h"
#include "mtproto/mtproto_config.h"
#include "mainwidget.h"
#include "mainwindow.h"
#include "window/window_session_controller.h"
#include "apiwrap.h"
#include "facades.h" // Ui::showPeerHistory
#include "app.h"
namespace {
constexpr auto kParticipantsFirstPageCount = 16;
constexpr auto kParticipantsPerPage = 200;
base::flat_set<not_null<UserData*>> GetAlreadyInFromPeer(PeerData *peer) {
if (!peer) {
return {};
}
if (const auto chat = peer->asChat()) {
return chat->participants;
} else if (const auto channel = peer->asChannel()) {
if (channel->isMegagroup()) {
const auto &participants = channel->mgInfo->lastParticipants;
return { participants.cbegin(), participants.cend() };
}
}
return {};
}
} // namespace
AddParticipantsBoxController::AddParticipantsBoxController(
not_null<Window::SessionNavigation*> navigation)
: ContactsBoxController(
navigation,
std::make_unique<PeerListGlobalSearchController>(navigation)) {
}
AddParticipantsBoxController::AddParticipantsBoxController(
not_null<Window::SessionNavigation*> navigation,
not_null<PeerData*> peer)
: AddParticipantsBoxController(
navigation,
peer,
GetAlreadyInFromPeer(peer)) {
}
AddParticipantsBoxController::AddParticipantsBoxController(
not_null<Window::SessionNavigation*> navigation,
not_null<PeerData*> peer,
base::flat_set<not_null<UserData*>> &&alreadyIn)
: ContactsBoxController(
navigation,
std::make_unique<PeerListGlobalSearchController>(navigation))
, _peer(peer)
, _alreadyIn(std::move(alreadyIn)) {
subscribeToMigration();
}
void AddParticipantsBoxController::subscribeToMigration() {
Expects(_peer != nullptr);
SubscribeToMigration(
_peer,
lifetime(),
[=](not_null<ChannelData*> channel) { _peer = channel; });
}
void AddParticipantsBoxController::rowClicked(not_null<PeerListRow*> row) {
const auto &serverConfig = session().serverConfig();
auto count = fullCount();
auto limit = _peer && (_peer->isChat() || _peer->isMegagroup())
? serverConfig.megagroupSizeMax
: serverConfig.chatSizeMax;
if (count < limit || row->checked()) {
delegate()->peerListSetRowChecked(row, !row->checked());
updateTitle();
} else if (const auto channel = _peer ? _peer->asChannel() : nullptr) {
if (!_peer->isMegagroup()) {
Ui::show(
Box<MaxInviteBox>(_peer->asChannel()),
Ui::LayerOption::KeepOther);
}
} else if (count >= serverConfig.chatSizeMax
&& count < serverConfig.megagroupSizeMax) {
Ui::show(
Box<InformBox>(tr::lng_profile_add_more_after_create(tr::now)),
Ui::LayerOption::KeepOther);
}
}
void AddParticipantsBoxController::itemDeselectedHook(
not_null<PeerData*> peer) {
updateTitle();
}
void AddParticipantsBoxController::prepareViewHook() {
updateTitle();
}
int AddParticipantsBoxController::alreadyInCount() const {
if (!_peer) {
return 1; // self
}
if (const auto chat = _peer->asChat()) {
return qMax(chat->count, 1);
} else if (const auto channel = _peer->asChannel()) {
return qMax(channel->membersCount(), int(_alreadyIn.size()));
}
Unexpected("User in AddParticipantsBoxController::alreadyInCount");
}
bool AddParticipantsBoxController::isAlreadyIn(
not_null<UserData*> user) const {
if (!_peer) {
return false;
}
if (const auto chat = _peer->asChat()) {
return _alreadyIn.contains(user)
|| chat->participants.contains(user);
} else if (const auto channel = _peer->asChannel()) {
return _alreadyIn.contains(user)
|| (channel->isMegagroup()
&& base::contains(channel->mgInfo->lastParticipants, user));
}
Unexpected("User in AddParticipantsBoxController::isAlreadyIn");
}
int AddParticipantsBoxController::fullCount() const {
return alreadyInCount() + delegate()->peerListSelectedRowsCount();
}
std::unique_ptr<PeerListRow> AddParticipantsBoxController::createRow(
not_null<UserData*> user) {
if (user->isSelf()) {
return nullptr;
}
auto result = std::make_unique<PeerListRow>(user);
if (isAlreadyIn(user)) {
result->setDisabledState(PeerListRow::State::DisabledChecked);
}
return result;
}
void AddParticipantsBoxController::updateTitle() {
const auto additional = (_peer
&& _peer->isChannel()
&& !_peer->isMegagroup())
? QString()
: qsl("%1 / %2"
).arg(fullCount()
).arg(session().serverConfig().megagroupSizeMax);
delegate()->peerListSetTitle(tr::lng_profile_add_participant());
delegate()->peerListSetAdditionalTitle(rpl::single(additional));
}
bool AddParticipantsBoxController::inviteSelectedUsers(
not_null<PeerListBox*> box) const {
Expects(_peer != nullptr);
const auto rows = box->peerListCollectSelectedRows();
const auto users = ranges::view::all(
rows
) | ranges::view::transform([](not_null<PeerData*> peer) {
Expects(peer->isUser());
Expects(!peer->isSelf());
return not_null<UserData*>(peer->asUser());
}) | ranges::to_vector;
if (users.empty()) {
return false;
}
_peer->session().api().addChatParticipants(_peer, users);
return true;
}
void AddParticipantsBoxController::Start(
not_null<Window::SessionNavigation*> navigation,
not_null<ChatData*> chat) {
auto controller = std::make_unique<AddParticipantsBoxController>(
navigation,
chat);
const auto weak = controller.get();
auto initBox = [=](not_null<PeerListBox*> box) {
box->addButton(tr::lng_participant_invite(), [=] {
if (weak->inviteSelectedUsers(box)) {
Ui::showPeerHistory(chat, ShowAtTheEndMsgId);
}
});
box->addButton(tr::lng_cancel(), [=] { box->closeBox(); });
};
Ui::show(
Box<PeerListBox>(
std::move(controller),
std::move(initBox)),
Ui::LayerOption::KeepOther);
}
void AddParticipantsBoxController::Start(
not_null<Window::SessionNavigation*> navigation,
not_null<ChannelData*> channel,
base::flat_set<not_null<UserData*>> &&alreadyIn,
bool justCreated) {
auto controller = std::make_unique<AddParticipantsBoxController>(
navigation,
channel,
std::move(alreadyIn));
const auto weak = controller.get();
auto initBox = [=](not_null<PeerListBox*> box) {
box->addButton(tr::lng_participant_invite(), [=] {
if (weak->inviteSelectedUsers(box)) {
if (channel->isMegagroup()) {
Ui::showPeerHistory(channel, ShowAtTheEndMsgId);
} else {
box->closeBox();
}
}
});
box->addButton(
justCreated ? tr::lng_create_group_skip() : tr::lng_cancel(),
[=] { box->closeBox(); });
if (justCreated) {
box->boxClosing() | rpl::start_with_next([=] {
auto params = Window::SectionShow();
params.activation = anim::activation::background;
navigation->parentController()->showPeerHistory(
channel,
params,
ShowAtTheEndMsgId);
}, box->lifetime());
}
};
Ui::show(
Box<PeerListBox>(
std::move(controller),
std::move(initBox)),
Ui::LayerOption::KeepOther);
}
void AddParticipantsBoxController::Start(
not_null<Window::SessionNavigation*> navigation,
not_null<ChannelData*> channel,
base::flat_set<not_null<UserData*>> &&alreadyIn) {
Start(navigation, channel, std::move(alreadyIn), false);
}
void AddParticipantsBoxController::Start(
not_null<Window::SessionNavigation*> navigation,
not_null<ChannelData*> channel) {
Start(navigation, channel, {}, true);
}
AddSpecialBoxController::AddSpecialBoxController(
not_null<PeerData*> peer,
Role role,
AdminDoneCallback adminDoneCallback,
BannedDoneCallback bannedDoneCallback)
: PeerListController(std::make_unique<AddSpecialBoxSearchController>(
peer,
&_additional))
, _peer(peer)
, _api(&_peer->session().mtp())
, _role(role)
, _additional(peer, Role::Members)
, _adminDoneCallback(std::move(adminDoneCallback))
, _bannedDoneCallback(std::move(bannedDoneCallback)) {
subscribeToMigration();
}
Main::Session &AddSpecialBoxController::session() const {
return _peer->session();
}
void AddSpecialBoxController::subscribeToMigration() {
SubscribeToMigration(
_peer,
lifetime(),
[=](not_null<ChannelData*> channel) { migrate(channel); });
}
void AddSpecialBoxController::migrate(not_null<ChannelData*> channel) {
_peer = channel;
_additional.migrate(channel);
}
std::unique_ptr<PeerListRow> AddSpecialBoxController::createSearchRow(
not_null<PeerData*> peer) {
if (_excludeSelf && peer->isSelf()) {
return nullptr;
}
if (const auto user = peer->asUser()) {
return createRow(user);
}
return nullptr;
}
void AddSpecialBoxController::prepare() {
delegate()->peerListSetSearchMode(PeerListSearchMode::Enabled);
auto title = [&] {
switch (_role) {
case Role::Members:
return tr::lng_profile_participants_section();
case Role::Admins:
return tr::lng_channel_add_admin();
case Role::Restricted:
return tr::lng_channel_add_exception();
case Role::Kicked:
return tr::lng_channel_add_removed();
}
Unexpected("Role in AddSpecialBoxController::prepare()");
}();
delegate()->peerListSetTitle(std::move(title));
setDescriptionText(tr::lng_contacts_loading(tr::now));
setSearchNoResultsText(tr::lng_blocked_list_not_found(tr::now));
if (const auto chat = _peer->asChat()) {
prepareChatRows(chat);
} else {
loadMoreRows();
}
delegate()->peerListRefreshRows();
}
void AddSpecialBoxController::prepareChatRows(not_null<ChatData*> chat) {
_onlineSorter = std::make_unique<ParticipantsOnlineSorter>(
chat,
delegate());
rebuildChatRows(chat);
if (!delegate()->peerListFullRowsCount()) {
chat->updateFullForced();
}
using UpdateFlag = Data::PeerUpdate::Flag;
chat->session().changes().peerUpdates(
chat,
UpdateFlag::Members | UpdateFlag::Admins
) | rpl::start_with_next([=](const Data::PeerUpdate &update) {
_additional.fillFromPeer();
if (update.flags & UpdateFlag::Members) {
rebuildChatRows(chat);
}
}, lifetime());
}
void AddSpecialBoxController::rebuildChatRows(not_null<ChatData*> chat) {
if (chat->participants.empty()) {
// We get such updates often
// (when participants list was invalidated).
//while (delegate()->peerListFullRowsCount() > 0) {
// delegate()->peerListRemoveRow(
// delegate()->peerListRowAt(0));
//}
return;
}
auto &participants = chat->participants;
auto count = delegate()->peerListFullRowsCount();
for (auto i = 0; i != count;) {
auto row = delegate()->peerListRowAt(i);
auto user = row->peer()->asUser();
if (participants.contains(user)) {
++i;
} else {
delegate()->peerListRemoveRow(row);
--count;
}
}
for (const auto user : participants) {
if (auto row = createRow(user)) {
delegate()->peerListAppendRow(std::move(row));
}
}
_onlineSorter->sort();
delegate()->peerListRefreshRows();
setDescriptionText(QString());
}
void AddSpecialBoxController::loadMoreRows() {
if (searchController() && searchController()->loadMoreRows()) {
return;
} else if (!_peer->isChannel() || _loadRequestId || _allLoaded) {
return;
}
// First query is small and fast, next loads a lot of rows.
const auto perPage = (_offset > 0)
? kParticipantsPerPage
: kParticipantsFirstPageCount;
const auto participantsHash = 0;
const auto channel = _peer->asChannel();
_loadRequestId = _api.request(MTPchannels_GetParticipants(
channel->inputChannel,
MTP_channelParticipantsRecent(),
MTP_int(_offset),
MTP_int(perPage),
MTP_int(participantsHash)
)).done([=](const MTPchannels_ChannelParticipants &result) {
_loadRequestId = 0;
auto &session = channel->session();
session.api().parseChannelParticipants(channel, result, [&](
int availableCount,
const QVector<MTPChannelParticipant> &list) {
for (const auto &data : list) {
if (const auto user = _additional.applyParticipant(data)) {
appendRow(user);
}
}
if (const auto size = list.size()) {
_offset += size;
} else {
// To be sure - wait for a whole empty result list.
_allLoaded = true;
}
});
if (delegate()->peerListFullRowsCount() > 0) {
setDescriptionText(QString());
} else if (_allLoaded) {
setDescriptionText(tr::lng_blocked_list_not_found(tr::now));
}
delegate()->peerListRefreshRows();
}).fail([this](const RPCError &error) {
_loadRequestId = 0;
}).send();
}
void AddSpecialBoxController::rowClicked(not_null<PeerListRow*> row) {
auto user = row->peer()->asUser();
switch (_role) {
case Role::Admins: return showAdmin(user);
case Role::Restricted: return showRestricted(user);
case Role::Kicked: return kickUser(user);
}
Unexpected("Role in AddSpecialBoxController::rowClicked()");
}
template <typename Callback>
bool AddSpecialBoxController::checkInfoLoaded(
not_null<UserData*> user,
Callback callback) {
if (_additional.infoLoaded(user)) {
return true;
}
// We don't know what this user status is in the group.
const auto channel = _peer->asChannel();
_api.request(MTPchannels_GetParticipant(
channel->inputChannel,
user->inputUser
)).done([=](const MTPchannels_ChannelParticipant &result) {
Expects(result.type() == mtpc_channels_channelParticipant);
const auto &participant = result.c_channels_channelParticipant();
channel->owner().processUsers(participant.vusers());
_additional.applyParticipant(participant.vparticipant());
callback();
}).fail([=](const RPCError &error) {
_additional.setExternal(user);
callback();
}).send();
return false;
}
void AddSpecialBoxController::showAdmin(
not_null<UserData*> user,
bool sure) {
if (!checkInfoLoaded(user, [=] { showAdmin(user); })) {
return;
}
_editBox = nullptr;
if (_editParticipantBox) {
_editParticipantBox->closeBox();
}
const auto chat = _peer->asChat();
const auto channel = _peer->asChannel();
const auto showAdminSure = crl::guard(this, [=] {
showAdmin(user, true);
});
// Check restrictions.
const auto canAddMembers = chat
? chat->canAddMembers()
: channel->canAddMembers();
const auto canBanMembers = chat
? chat->canBanMembers()
: channel->canBanMembers();
const auto adminRights = _additional.adminRights(user);
if (adminRights.has_value()) {
// The user is already an admin.
} else if (_additional.isKicked(user)) {
// The user is banned.
if (canAddMembers) {
if (canBanMembers) {
if (!sure) {
_editBox = Ui::show(
Box<ConfirmBox>(
tr::lng_sure_add_admin_unremove(tr::now),
showAdminSure),
Ui::LayerOption::KeepOther);
return;
}
} else {
Ui::show(Box<InformBox>(
tr::lng_error_cant_add_admin_unban(tr::now)),
Ui::LayerOption::KeepOther);
return;
}
} else {
Ui::show(Box<InformBox>(
tr::lng_error_cant_add_admin_invite(tr::now)),
Ui::LayerOption::KeepOther);
return;
}
} else if (_additional.restrictedRights(user).has_value()) {
// The user is restricted.
if (canBanMembers) {
if (!sure) {
_editBox = Ui::show(
Box<ConfirmBox>(
tr::lng_sure_add_admin_unremove(tr::now),
showAdminSure),
Ui::LayerOption::KeepOther);
return;
}
} else {
Ui::show(Box<InformBox>(
tr::lng_error_cant_add_admin_unban(tr::now)),
Ui::LayerOption::KeepOther);
return;
}
} else if (_additional.isExternal(user)) {
// The user is not in the group yet.
if (canAddMembers) {
if (!sure) {
const auto text = ((_peer->isChat() || _peer->isMegagroup())
? tr::lng_sure_add_admin_invite
: tr::lng_sure_add_admin_invite_channel)(tr::now);
_editBox = Ui::show(
Box<ConfirmBox>(
text,
showAdminSure),
Ui::LayerOption::KeepOther);
return;
}
} else {
Ui::show(
Box<InformBox>(tr::lng_error_cant_add_admin_invite(tr::now)),
Ui::LayerOption::KeepOther);
return;
}
}
// Finally show the admin.
const auto currentRights = adminRights
? *adminRights
: MTPChatAdminRights(MTP_chatAdminRights(MTP_flags(0)));
auto box = Box<EditAdminBox>(
_peer,
user,
currentRights,
_additional.adminRank(user));
if (_additional.canAddOrEditAdmin(user)) {
const auto done = crl::guard(this, [=](
const MTPChatAdminRights &newRights,
const QString &rank) {
editAdminDone(user, newRights, rank);
});
const auto fail = crl::guard(this, [=] {
if (_editParticipantBox) {
_editParticipantBox->closeBox();
}
});
box->setSaveCallback(SaveAdminCallback(_peer, user, done, fail));
}
_editParticipantBox = Ui::show(std::move(box), Ui::LayerOption::KeepOther);
}
void AddSpecialBoxController::editAdminDone(
not_null<UserData*> user,
const MTPChatAdminRights &rights,
const QString &rank) {
if (_editParticipantBox) {
_editParticipantBox->closeBox();
}
const auto date = base::unixtime::now(); // Incorrect, but ignored.
if (_additional.isCreator(user) && user->isSelf()) {
using Flag = MTPDchannelParticipantCreator::Flag;
_additional.applyParticipant(MTP_channelParticipantCreator(
MTP_flags(rank.isEmpty() ? Flag(0) : Flag::f_rank),
MTP_int(user->bareId()),
rights,
MTP_string(rank)));
} else if (rights.c_chatAdminRights().vflags().v == 0) {
_additional.applyParticipant(MTP_channelParticipant(
MTP_int(user->bareId()),
MTP_int(date)));
} else {
using Flag = MTPDchannelParticipantAdmin::Flag;
const auto alreadyPromotedBy = _additional.adminPromotedBy(user);
_additional.applyParticipant(MTP_channelParticipantAdmin(
MTP_flags(Flag::f_can_edit
| (rank.isEmpty() ? Flag(0) : Flag::f_rank)),
MTP_int(user->bareId()),
MTPint(), // inviter_id
MTP_int(alreadyPromotedBy
? alreadyPromotedBy->bareId()
: user->session().userId()),
MTP_int(date),
rights,
MTP_string(rank)));
}
if (const auto callback = _adminDoneCallback) {
callback(user, rights, rank);
}
}
void AddSpecialBoxController::showRestricted(
not_null<UserData*> user,
bool sure) {
if (!checkInfoLoaded(user, [=] { showRestricted(user); })) {
return;
}
_editBox = nullptr;
if (_editParticipantBox) {
_editParticipantBox->closeBox();
}
const auto showRestrictedSure = crl::guard(this, [=] {
showRestricted(user, true);
});
// Check restrictions.
const auto restrictedRights = _additional.restrictedRights(user);
if (restrictedRights.has_value()) {
// The user is already banned or restricted.
} else if (_additional.adminRights(user).has_value()
|| _additional.isCreator(user)) {
// The user is an admin or creator.
if (!_additional.isCreator(user) && _additional.canEditAdmin(user)) {
if (!sure) {
_editBox = Ui::show(
Box<ConfirmBox>(
tr::lng_sure_ban_admin(tr::now),
showRestrictedSure),
Ui::LayerOption::KeepOther);
return;
}
} else {
Ui::show(
Box<InformBox>(tr::lng_error_cant_ban_admin(tr::now)),
Ui::LayerOption::KeepOther);
return;
}
}
// Finally edit the restricted.
const auto currentRights = restrictedRights
? *restrictedRights
: MTPChatBannedRights(MTP_chatBannedRights(
MTP_flags(0),
MTP_int(0)));
auto box = Box<EditRestrictedBox>(
_peer,
user,
_additional.adminRights(user).has_value(),
currentRights);
if (_additional.canRestrictUser(user)) {
const auto done = crl::guard(this, [=](
const MTPChatBannedRights &newRights) {
editRestrictedDone(user, newRights);
});
const auto fail = crl::guard(this, [=] {
if (_editParticipantBox) {
_editParticipantBox->closeBox();
}
});
box->setSaveCallback(
SaveRestrictedCallback(_peer, user, done, fail));
}
_editParticipantBox = Ui::show(std::move(box), Ui::LayerOption::KeepOther);
}
void AddSpecialBoxController::editRestrictedDone(
not_null<UserData*> user,
const MTPChatBannedRights &rights) {
if (_editParticipantBox) {
_editParticipantBox->closeBox();
}
const auto date = base::unixtime::now(); // Incorrect, but ignored.
if (rights.c_chatBannedRights().vflags().v == 0) {
_additional.applyParticipant(MTP_channelParticipant(
MTP_int(user->bareId()),
MTP_int(date)));
} else {
const auto kicked = rights.c_chatBannedRights().is_view_messages();
const auto alreadyRestrictedBy = _additional.restrictedBy(user);
_additional.applyParticipant(MTP_channelParticipantBanned(
MTP_flags(kicked
? MTPDchannelParticipantBanned::Flag::f_left
: MTPDchannelParticipantBanned::Flag(0)),
MTP_int(user->bareId()),
MTP_int(alreadyRestrictedBy
? alreadyRestrictedBy->bareId()
: user->session().userId()),
MTP_int(date),
rights));
}
if (const auto callback = _bannedDoneCallback) {
callback(user, rights);
}
}
void AddSpecialBoxController::kickUser(
not_null<UserData*> user,
bool sure) {
if (!checkInfoLoaded(user, [=] { kickUser(user); })) {
return;
}
const auto kickUserSure = crl::guard(this, [=] {
kickUser(user, true);
});
// Check restrictions.
if (_additional.adminRights(user).has_value()
|| _additional.isCreator(user)) {
// The user is an admin or creator.
if (!_additional.isCreator(user) && _additional.canEditAdmin(user)) {
if (!sure) {
_editBox = Ui::show(
Box<ConfirmBox>(
tr::lng_sure_ban_admin(tr::now),
kickUserSure),
Ui::LayerOption::KeepOther);
return;
}
} else {
Ui::show(
Box<InformBox>(tr::lng_error_cant_ban_admin(tr::now)),
Ui::LayerOption::KeepOther);
return;
}
}
// Finally kick him.
if (!sure) {
const auto text = ((_peer->isChat() || _peer->isMegagroup())
? tr::lng_profile_sure_kick
: tr::lng_profile_sure_kick_channel)(
tr::now,
lt_user,
user->name);
_editBox = Ui::show(
Box<ConfirmBox>(text, kickUserSure),
Ui::LayerOption::KeepOther);
return;
}
const auto restrictedRights = _additional.restrictedRights(user);
const auto currentRights = restrictedRights
? *restrictedRights
: MTPChatBannedRights(MTP_chatBannedRights(
MTP_flags(0),
MTP_int(0)));
const auto done = crl::guard(this, [=](
const MTPChatBannedRights &newRights) {
editRestrictedDone(user, newRights);
});
const auto fail = crl::guard(this, [=] {
_editBox = nullptr;
});
const auto callback = SaveRestrictedCallback(_peer, user, done, fail);
callback(currentRights, ChannelData::KickedRestrictedRights());
}
bool AddSpecialBoxController::appendRow(not_null<UserData*> user) {
if (delegate()->peerListFindRow(user->id)
|| (_excludeSelf && user->isSelf())) {
return false;
}
delegate()->peerListAppendRow(createRow(user));
return true;
}
bool AddSpecialBoxController::prependRow(not_null<UserData*> user) {
if (delegate()->peerListFindRow(user->id)) {
return false;
}
delegate()->peerListPrependRow(createRow(user));
return true;
}
std::unique_ptr<PeerListRow> AddSpecialBoxController::createRow(
not_null<UserData*> user) const {
return std::make_unique<PeerListRow>(user);
}
AddSpecialBoxSearchController::AddSpecialBoxSearchController(
not_null<PeerData*> peer,
not_null<ParticipantsAdditionalData*> additional)
: _peer(peer)
, _additional(additional)
, _api(&_peer->session().mtp())
, _timer([=] { searchOnServer(); }) {
subscribeToMigration();
}
void AddSpecialBoxSearchController::subscribeToMigration() {
SubscribeToMigration(
_peer,
lifetime(),
[=](not_null<ChannelData*> channel) { _peer = channel; });
}
void AddSpecialBoxSearchController::searchQuery(const QString &query) {
if (_query != query) {
_query = query;
_offset = 0;
_requestId = 0;
_participantsLoaded = false;
_chatsContactsAdded = false;
_chatMembersAdded = false;
_globalLoaded = false;
if (!_query.isEmpty() && !searchParticipantsInCache()) {
_timer.callOnce(AutoSearchTimeout);
} else {
_timer.cancel();
}
}
}
void AddSpecialBoxSearchController::searchOnServer() {
Expects(!_query.isEmpty());
loadMoreRows();
}
bool AddSpecialBoxSearchController::isLoading() {
return _timer.isActive() || _requestId;
}
bool AddSpecialBoxSearchController::searchParticipantsInCache() {
const auto i = _participantsCache.find(_query);
if (i != _participantsCache.cend()) {
_requestId = 0;
searchParticipantsDone(
_requestId,
i->second.result,
i->second.requestedCount);
return true;
}
return false;
}
bool AddSpecialBoxSearchController::searchGlobalInCache() {
auto it = _globalCache.find(_query);
if (it != _globalCache.cend()) {
_requestId = 0;
searchGlobalDone(_requestId, it->second);
return true;
}
return false;
}
bool AddSpecialBoxSearchController::loadMoreRows() {
if (_query.isEmpty()) {
return false;
}
if (_globalLoaded) {
return true;
}
if (_participantsLoaded || _chatMembersAdded) {
if (!_chatsContactsAdded) {
addChatsContacts();
}
if (!isLoading() && !searchGlobalInCache()) {
requestGlobal();
}
} else if (const auto chat = _peer->asChat()) {
if (!_chatMembersAdded) {
addChatMembers(chat);
}
} else if (!isLoading()) {
requestParticipants();
}
return true;
}
void AddSpecialBoxSearchController::requestParticipants() {
Expects(_peer->isChannel());
// For search we request a lot of rows from the first query.
// (because we've waited for search request by timer already,
// so we don't expect it to be fast, but we want to fill cache).
const auto perPage = kParticipantsPerPage;
const auto participantsHash = 0;
const auto channel = _peer->asChannel();
_requestId = _api.request(MTPchannels_GetParticipants(
channel->inputChannel,
MTP_channelParticipantsSearch(MTP_string(_query)),
MTP_int(_offset),
MTP_int(perPage),
MTP_int(participantsHash)
)).done([=](
const MTPchannels_ChannelParticipants &result,
mtpRequestId requestId) {
searchParticipantsDone(requestId, result, perPage);
}).fail([=](const RPCError &error, mtpRequestId requestId) {
if (_requestId == requestId) {
_requestId = 0;
_participantsLoaded = true;
loadMoreRows();
delegate()->peerListSearchRefreshRows();
}
}).send();
auto entry = Query();
entry.text = _query;
entry.offset = _offset;
_participantsQueries.emplace(_requestId, entry);
}
void AddSpecialBoxSearchController::searchParticipantsDone(
mtpRequestId requestId,
const MTPchannels_ChannelParticipants &result,
int requestedCount) {
Expects(_peer->isChannel());
const auto channel = _peer->asChannel();
auto query = _query;
if (requestId) {
const auto addToCache = [&](auto&&...) {
auto it = _participantsQueries.find(requestId);
if (it != _participantsQueries.cend()) {
query = it->second.text;
if (it->second.offset == 0) {
auto &entry = _participantsCache[query];
entry.result = result;
entry.requestedCount = requestedCount;
}
_participantsQueries.erase(it);
}
};
channel->session().api().parseChannelParticipants(
channel,
result,
addToCache);
}
if (_requestId != requestId) {
return;
}
_requestId = 0;
result.match([&](const MTPDchannels_channelParticipants &data) {
const auto &list = data.vparticipants().v;
if (list.size() < requestedCount) {
// We want cache to have full information about a query with
// small results count (that we don't need the second request).
// So we don't wait for empty list unlike the non-search case.
_participantsLoaded = true;
if (list.empty() && _offset == 0) {
// No results, request global search immediately.
loadMoreRows();
}
}
for (const auto &data : list) {
if (const auto user = _additional->applyParticipant(data)) {
delegate()->peerListSearchAddRow(user);
}
}
_offset += list.size();
}, [&](const MTPDchannels_channelParticipantsNotModified &) {
_participantsLoaded = true;
});
delegate()->peerListSearchRefreshRows();
}
void AddSpecialBoxSearchController::requestGlobal() {
if (_query.isEmpty()) {
_globalLoaded = true;
return;
}
auto perPage = SearchPeopleLimit;
_requestId = _api.request(MTPcontacts_Search(
MTP_string(_query),
MTP_int(perPage)
)).done([=](const MTPcontacts_Found &result, mtpRequestId requestId) {
searchGlobalDone(requestId, result);
}).fail([=](const RPCError &error, mtpRequestId requestId) {
if (_requestId == requestId) {
_requestId = 0;
_globalLoaded = true;
delegate()->peerListSearchRefreshRows();
}
}).send();
_globalQueries.emplace(_requestId, _query);
}
void AddSpecialBoxSearchController::searchGlobalDone(
mtpRequestId requestId,
const MTPcontacts_Found &result) {
Expects(result.type() == mtpc_contacts_found);
auto &found = result.c_contacts_found();
auto query = _query;
if (requestId) {
_peer->owner().processUsers(found.vusers());
_peer->owner().processChats(found.vchats());
auto it = _globalQueries.find(requestId);
if (it != _globalQueries.cend()) {
query = it->second;
_globalCache[query] = result;
_globalQueries.erase(it);
}
}
const auto feedList = [&](const MTPVector<MTPPeer> &list) {
for (const auto &mtpPeer : list.v) {
const auto peerId = peerFromMTP(mtpPeer);
if (const auto peer = _peer->owner().peerLoaded(peerId)) {
if (const auto user = peer->asUser()) {
_additional->checkForLoaded(user);
delegate()->peerListSearchAddRow(user);
}
}
}
};
if (_requestId == requestId) {
_requestId = 0;
_globalLoaded = true;
feedList(found.vmy_results());
feedList(found.vresults());
delegate()->peerListSearchRefreshRows();
}
}
void AddSpecialBoxSearchController::addChatMembers(
not_null<ChatData*> chat) {
if (chat->participants.empty()) {
return;
}
_chatMembersAdded = true;
const auto wordList = TextUtilities::PrepareSearchWords(_query);
if (wordList.empty()) {
return;
}
const auto allWordsAreFound = [&](
const base::flat_set<QString> &nameWords) {
const auto hasNamePartStartingWith = [&](const QString &word) {
for (const auto &nameWord : nameWords) {
if (nameWord.startsWith(word)) {
return true;
}
}
return false;
};
for (const auto &word : wordList) {
if (!hasNamePartStartingWith(word)) {
return false;
}
}
return true;
};
for (const auto user : chat->participants) {
if (allWordsAreFound(user->nameWords())) {
delegate()->peerListSearchAddRow(user);
}
}
delegate()->peerListSearchRefreshRows();
}
void AddSpecialBoxSearchController::addChatsContacts() {
_chatsContactsAdded = true;
const auto wordList = TextUtilities::PrepareSearchWords(_query);
if (wordList.empty()) {
return;
}
const auto allWordsAreFound = [&](
const base::flat_set<QString> &nameWords) {
const auto hasNamePartStartingWith = [&](const QString &word) {
for (const auto &nameWord : nameWords) {
if (nameWord.startsWith(word)) {
return true;
}
}
return false;
};
for (const auto &word : wordList) {
if (!hasNamePartStartingWith(word)) {
return false;
}
}
return true;
};
const auto getSmallestIndex = [&](not_null<Dialogs::IndexedList*> list)
-> const Dialogs::List* {
if (list->empty()) {
return nullptr;
}
auto result = (const Dialogs::List*)nullptr;
for (const auto &word : wordList) {
const auto found = list->filtered(word[0]);
if (!found || found->empty()) {
return nullptr;
}
if (!result || result->size() > found->size()) {
result = found;
}
}
return result;
};
const auto filterAndAppend = [&](not_null<Dialogs::IndexedList*> list) {
const auto index = getSmallestIndex(list);
if (!index) {
return;
}
for (const auto row : *index) {
if (const auto history = row->history()) {
if (const auto user = history->peer->asUser()) {
if (allWordsAreFound(user->nameWords())) {
delegate()->peerListSearchAddRow(user);
}
}
}
}
};
filterAndAppend(_peer->owner().chatsList()->indexed());
const auto id = Data::Folder::kId;
if (const auto folder = _peer->owner().folderLoaded(id)) {
filterAndAppend(folder->chatsList()->indexed());
}
filterAndAppend(_peer->owner().contactsNoChatsList());
delegate()->peerListSearchRefreshRows();
}