File indexing completed on 2024-04-21 04:59:29

0001 // SPDX-FileCopyrightText: 2018-2020 Black Hat <bhat@encom.eu.org>
0002 // SPDX-License-Identifier: GPL-3.0-only
0003 
0004 #include "neochatroom.h"
0005 
0006 #include <QFileInfo>
0007 #include <QMediaMetaData>
0008 #include <QMediaPlayer>
0009 #include <QMimeDatabase>
0010 #include <QTemporaryFile>
0011 
0012 #include <Quotient/jobs/basejob.h>
0013 #include <Quotient/user.h>
0014 #include <qcoro/qcorosignal.h>
0015 
0016 #include <Quotient/connection.h>
0017 #include <Quotient/csapi/account-data.h>
0018 #include <Quotient/csapi/directory.h>
0019 #include <Quotient/csapi/pushrules.h>
0020 #include <Quotient/csapi/redaction.h>
0021 #include <Quotient/csapi/report_content.h>
0022 #include <Quotient/csapi/room_state.h>
0023 #include <Quotient/csapi/rooms.h>
0024 #include <Quotient/csapi/typing.h>
0025 #include <Quotient/events/encryptionevent.h>
0026 #include <Quotient/events/reactionevent.h>
0027 #include <Quotient/events/redactionevent.h>
0028 #include <Quotient/events/roomavatarevent.h>
0029 #include <Quotient/events/roomcanonicalaliasevent.h>
0030 #include <Quotient/events/roommemberevent.h>
0031 #include <Quotient/events/roompowerlevelsevent.h>
0032 #include <Quotient/events/simplestateevents.h>
0033 #include <Quotient/jobs/downloadfilejob.h>
0034 #include <Quotient/qt_connection_util.h>
0035 
0036 #include "chatbarcache.h"
0037 #include "clipboard.h"
0038 #include "eventhandler.h"
0039 #include "events/joinrulesevent.h"
0040 #include "events/pollevent.h"
0041 #include "filetransferpseudojob.h"
0042 #include "neochatconfig.h"
0043 #include "notificationsmanager.h"
0044 #include "roomlastmessageprovider.h"
0045 #include "texthandler.h"
0046 #include "urlhelper.h"
0047 #include "utils.h"
0048 
0049 #ifndef Q_OS_ANDROID
0050 #include <KIO/Job>
0051 #include <KIO/JobTracker>
0052 #endif
0053 #include <KJobTrackerInterface>
0054 #include <KLocalizedString>
0055 
0056 using namespace Quotient;
0057 
0058 NeoChatRoom::NeoChatRoom(Connection *connection, QString roomId, JoinState joinState)
0059     : Room(connection, std::move(roomId), joinState)
0060 {
0061     m_mainCache = new ChatBarCache(this);
0062     m_editCache = new ChatBarCache(this);
0063 
0064     connect(connection, &Connection::accountDataChanged, this, &NeoChatRoom::updatePushNotificationState);
0065     connect(this, &Room::fileTransferCompleted, this, [this] {
0066         setFileUploadingProgress(0);
0067         setHasFileUploading(false);
0068     });
0069 
0070     connect(this, &Room::aboutToAddHistoricalMessages, this, &NeoChatRoom::readMarkerLoadedChanged);
0071 
0072     const auto &roomLastMessageProvider = RoomLastMessageProvider::self();
0073 
0074     if (roomLastMessageProvider.hasKey(id())) {
0075         auto eventJson = QJsonDocument::fromJson(roomLastMessageProvider.read(id())).object();
0076         if (!eventJson.isEmpty()) {
0077             auto event = loadEvent<RoomEvent>(eventJson);
0078 
0079             if (event != nullptr) {
0080                 m_cachedEvent = std::move(event);
0081             }
0082         }
0083     }
0084     connect(this, &Room::addedMessages, this, &NeoChatRoom::cacheLastEvent);
0085 
0086     connect(this, &Quotient::Room::eventsHistoryJobChanged, this, &NeoChatRoom::lastActiveTimeChanged);
0087 
0088     connect(this, &Room::joinStateChanged, this, [this](JoinState oldState, JoinState newState) {
0089         if (oldState == JoinState::Invite && newState != JoinState::Invite) {
0090             Q_EMIT isInviteChanged();
0091         }
0092     });
0093     connect(this, &Room::displaynameChanged, this, &NeoChatRoom::displayNameChanged);
0094 
0095     connectSingleShot(this, &Room::baseStateLoaded, this, [this]() {
0096         updatePushNotificationState(QStringLiteral("m.push_rules"));
0097 
0098         Q_EMIT canEncryptRoomChanged();
0099         if (this->joinState() != JoinState::Invite) {
0100             return;
0101         }
0102         auto roomMemberEvent = currentState().get<RoomMemberEvent>(localUser()->id());
0103         QImage avatar_image;
0104         if (roomMemberEvent && !user(roomMemberEvent->senderId())->avatarUrl(this).isEmpty()) {
0105             avatar_image = user(roomMemberEvent->senderId())->avatar(128, this);
0106         } else {
0107             qWarning() << "using this room's avatar";
0108             avatar_image = avatar(128);
0109         }
0110         NotificationsManager::instance().postInviteNotification(this, displayName(), htmlSafeMemberName(roomMemberEvent->senderId()), avatar_image);
0111     });
0112     connect(this, &Room::changed, this, [this] {
0113         Q_EMIT canEncryptRoomChanged();
0114         Q_EMIT parentIdsChanged();
0115         Q_EMIT canonicalParentChanged();
0116         Q_EMIT joinRuleChanged();
0117         Q_EMIT readOnlyChanged();
0118     });
0119     connect(connection, &Connection::capabilitiesLoaded, this, &NeoChatRoom::maxRoomVersionChanged);
0120     connect(this, &Room::changed, this, [this]() {
0121         Q_EMIT defaultUrlPreviewStateChanged();
0122     });
0123     connect(this, &Room::accountDataChanged, this, [this](QString type) {
0124         if (type == "org.matrix.room.preview_urls"_ls) {
0125             Q_EMIT urlPreviewEnabledChanged();
0126         }
0127     });
0128 }
0129 
0130 bool NeoChatRoom::hasFileUploading() const
0131 {
0132     return m_hasFileUploading;
0133 }
0134 
0135 void NeoChatRoom::setHasFileUploading(bool value)
0136 {
0137     if (value == m_hasFileUploading) {
0138         return;
0139     }
0140     m_hasFileUploading = value;
0141     Q_EMIT hasFileUploadingChanged();
0142 }
0143 
0144 int NeoChatRoom::fileUploadingProgress() const
0145 {
0146     return m_fileUploadingProgress;
0147 }
0148 
0149 void NeoChatRoom::setFileUploadingProgress(int value)
0150 {
0151     if (m_fileUploadingProgress == value) {
0152         return;
0153     }
0154     m_fileUploadingProgress = value;
0155     Q_EMIT fileUploadingProgressChanged();
0156 }
0157 
0158 void NeoChatRoom::uploadFile(const QUrl &url, const QString &body)
0159 {
0160     doUploadFile(url, body);
0161 }
0162 
0163 QCoro::Task<void> NeoChatRoom::doUploadFile(QUrl url, QString body)
0164 {
0165     if (url.isEmpty()) {
0166         co_return;
0167     }
0168 
0169     auto mime = QMimeDatabase().mimeTypeForUrl(url);
0170     url.setScheme("file"_ls);
0171     QFileInfo fileInfo(url.isLocalFile() ? url.toLocalFile() : url.toString());
0172     EventContent::TypedBase *content;
0173     if (mime.name().startsWith("image/"_ls)) {
0174         QImage image(url.toLocalFile());
0175         content = new EventContent::ImageContent(url, fileInfo.size(), mime, image.size(), fileInfo.fileName());
0176     } else if (mime.name().startsWith("audio/"_ls)) {
0177         content = new EventContent::AudioContent(url, fileInfo.size(), mime, fileInfo.fileName());
0178     } else if (mime.name().startsWith("video/"_ls)) {
0179         QMediaPlayer player;
0180         player.setSource(url);
0181         co_await qCoro(&player, &QMediaPlayer::mediaStatusChanged);
0182         auto resolution = player.metaData().value(QMediaMetaData::Resolution).toSize();
0183         content = new EventContent::VideoContent(url, fileInfo.size(), mime, resolution, fileInfo.fileName());
0184     } else {
0185         content = new EventContent::FileContent(url, fileInfo.size(), mime, fileInfo.fileName());
0186     }
0187     QString txnId = postFile(body.isEmpty() ? url.fileName() : body, content);
0188     setHasFileUploading(true);
0189     connect(this, &Room::fileTransferCompleted, [this, txnId](const QString &id, FileSourceInfo) {
0190         if (id == txnId) {
0191             setFileUploadingProgress(0);
0192             setHasFileUploading(false);
0193         }
0194     });
0195     connect(this, &Room::fileTransferFailed, [this, txnId](const QString &id, const QString & /*error*/) {
0196         if (id == txnId) {
0197             setFileUploadingProgress(0);
0198             setHasFileUploading(false);
0199         }
0200     });
0201     connect(this, &Room::fileTransferProgress, [this, txnId](const QString &id, qint64 progress, qint64 total) {
0202         if (id == txnId) {
0203             setFileUploadingProgress(int(float(progress) / float(total) * 100));
0204         }
0205     });
0206 #ifndef Q_OS_ANDROID
0207     auto job = new FileTransferPseudoJob(FileTransferPseudoJob::Upload, url.toLocalFile(), txnId);
0208     connect(this, &Room::fileTransferProgress, job, &FileTransferPseudoJob::fileTransferProgress);
0209     connect(this, &Room::fileTransferCompleted, job, &FileTransferPseudoJob::fileTransferCompleted);
0210     connect(this, &Room::fileTransferFailed, job, &FileTransferPseudoJob::fileTransferFailed);
0211     KIO::getJobTracker()->registerJob(job);
0212     job->start();
0213 #endif
0214 }
0215 
0216 void NeoChatRoom::acceptInvitation()
0217 {
0218     connection()->joinRoom(id());
0219 }
0220 
0221 void NeoChatRoom::forget()
0222 {
0223     connection()->forgetRoom(id());
0224 }
0225 
0226 QVariantList NeoChatRoom::getUsersTyping() const
0227 {
0228     auto users = usersTyping();
0229     users.removeAll(localUser());
0230     QVariantList userVariants;
0231     for (User *user : users) {
0232         userVariants.append(QVariantMap{
0233             {"id"_ls, user->id()},
0234             {"avatarMediaId"_ls, user->avatarMediaId(this)},
0235             {"displayName"_ls, user->displayname(this)},
0236             {"display"_ls, user->name()},
0237         });
0238     }
0239     return userVariants;
0240 }
0241 
0242 void NeoChatRoom::sendTypingNotification(bool isTyping)
0243 {
0244     connection()->callApi<SetTypingJob>(BackgroundRequest, localUser()->id(), id(), isTyping, 10000);
0245 }
0246 
0247 const RoomEvent *NeoChatRoom::lastEvent() const
0248 {
0249     for (auto timelineItem = messageEvents().rbegin(); timelineItem < messageEvents().rend(); timelineItem++) {
0250         const RoomEvent *event = timelineItem->get();
0251 
0252         if (is<RedactionEvent>(*event) || is<ReactionEvent>(*event)) {
0253             continue;
0254         }
0255         if (event->isRedacted()) {
0256             continue;
0257         }
0258 
0259         if (event->isStateEvent() && !NeoChatConfig::showStateEvent()) {
0260             continue;
0261         }
0262 
0263         if (auto roomMemberEvent = eventCast<const RoomMemberEvent>(event)) {
0264             if ((roomMemberEvent->isJoin() || roomMemberEvent->isLeave()) && !NeoChatConfig::showLeaveJoinEvent()) {
0265                 continue;
0266             } else if (roomMemberEvent->isRename() && !roomMemberEvent->isJoin() && !roomMemberEvent->isLeave() && !NeoChatConfig::showRename()) {
0267                 continue;
0268             } else if (roomMemberEvent->isAvatarUpdate() && !roomMemberEvent->isJoin() && !roomMemberEvent->isLeave() && !NeoChatConfig::showAvatarUpdate()) {
0269                 continue;
0270             }
0271         }
0272         if (event->isStateEvent() && static_cast<const StateEvent &>(*event).repeatsState()) {
0273             continue;
0274         }
0275 
0276         if (auto roomEvent = eventCast<const RoomMessageEvent>(event)) {
0277             if (!roomEvent->replacedEvent().isEmpty() && roomEvent->replacedEvent() != roomEvent->id()) {
0278                 continue;
0279             }
0280         }
0281 
0282         if (connection()->isIgnored(user(event->senderId()))) {
0283             continue;
0284         }
0285 
0286         if (auto lastEvent = eventCast<const StateEvent>(event)) {
0287             return lastEvent;
0288         }
0289 
0290         if (auto lastEvent = eventCast<const RoomMessageEvent>(event)) {
0291             return lastEvent;
0292         }
0293         if (auto lastEvent = eventCast<const PollStartEvent>(event)) {
0294             return lastEvent;
0295         }
0296     }
0297 
0298     if (m_cachedEvent != nullptr) {
0299         return std::to_address(m_cachedEvent);
0300     }
0301 
0302     return nullptr;
0303 }
0304 
0305 void NeoChatRoom::cacheLastEvent()
0306 {
0307     auto event = lastEvent();
0308     if (event != nullptr) {
0309         auto &roomLastMessageProvider = RoomLastMessageProvider::self();
0310 
0311         auto eventJson = QJsonDocument(event->fullJson()).toJson(QJsonDocument::Compact);
0312         roomLastMessageProvider.write(id(), eventJson);
0313 
0314         auto uniqueEvent = loadEvent<RoomEvent>(event->fullJson());
0315 
0316         if (event != nullptr) {
0317             m_cachedEvent = std::move(uniqueEvent);
0318         }
0319     }
0320 }
0321 
0322 bool NeoChatRoom::lastEventIsSpoiler() const
0323 {
0324     if (auto event = lastEvent()) {
0325         if (auto e = eventCast<const RoomMessageEvent>(event)) {
0326             if (e->hasTextContent() && e->content() && e->mimeType().name() == "text/html"_ls) {
0327                 auto htmlBody = static_cast<const Quotient::EventContent::TextContent *>(e->content())->body;
0328                 return htmlBody.contains("data-mx-spoiler"_ls);
0329             }
0330         }
0331     }
0332     return false;
0333 }
0334 
0335 bool NeoChatRoom::isEventHighlighted(const RoomEvent *e) const
0336 {
0337     return highlights.contains(e);
0338 }
0339 
0340 void NeoChatRoom::checkForHighlights(const Quotient::TimelineItem &ti)
0341 {
0342     auto localUserId = localUser()->id();
0343     if (ti->senderId() == localUserId) {
0344         return;
0345     }
0346     if (auto *e = ti.viewAs<RoomMessageEvent>()) {
0347         const auto &text = e->plainBody();
0348         if (text.contains(localUserId) || text.contains(safeMemberName(localUserId))) {
0349             highlights.insert(e);
0350         }
0351     }
0352 }
0353 
0354 void NeoChatRoom::onAddNewTimelineEvents(timeline_iter_t from)
0355 {
0356     std::for_each(from, messageEvents().cend(), [this](const TimelineItem &ti) {
0357         checkForHighlights(ti);
0358     });
0359 }
0360 
0361 void NeoChatRoom::onAddHistoricalTimelineEvents(rev_iter_t from)
0362 {
0363     std::for_each(from, messageEvents().crend(), [this](const TimelineItem &ti) {
0364         checkForHighlights(ti);
0365     });
0366 }
0367 
0368 void NeoChatRoom::onRedaction(const RoomEvent &prevEvent, const RoomEvent & /*after*/)
0369 {
0370     if (const auto &e = eventCast<const ReactionEvent>(&prevEvent)) {
0371         if (auto relatedEventId = e->eventId(); !relatedEventId.isEmpty()) {
0372             Q_EMIT updatedEvent(relatedEventId);
0373         }
0374     }
0375 }
0376 
0377 QDateTime NeoChatRoom::lastActiveTime()
0378 {
0379     if (timelineSize() == 0) {
0380         if (m_cachedEvent != nullptr) {
0381             return m_cachedEvent->originTimestamp();
0382         }
0383         return QDateTime();
0384     }
0385 
0386     if (auto event = lastEvent()) {
0387         return event->originTimestamp();
0388     }
0389 
0390     // no message found, take last event
0391     return messageEvents().rbegin()->get()->originTimestamp();
0392 }
0393 
0394 // An empty user is useful for returning as a model value to avoid properties being undefined.
0395 static const QVariantMap emptyUser = {
0396     {"isLocalUser"_ls, false},
0397     {"id"_ls, QString()},
0398     {"displayName"_ls, QString()},
0399     {"avatarSource"_ls, QUrl()},
0400     {"avatarMediaId"_ls, QString()},
0401     {"color"_ls, QColor()},
0402     {"object"_ls, QVariant()},
0403 };
0404 
0405 QVariantMap NeoChatRoom::getUser(const QString &userID) const
0406 {
0407     return getUser(user(userID));
0408 }
0409 
0410 QVariantMap NeoChatRoom::getUser(User *user) const
0411 {
0412     if (user == nullptr) {
0413         return emptyUser;
0414     }
0415 
0416     return QVariantMap{
0417         {QStringLiteral("isLocalUser"), user->id() == localUser()->id()},
0418         {QStringLiteral("id"), user->id()},
0419         {QStringLiteral("displayName"), user->displayname(this)},
0420         {QStringLiteral("escapedDisplayName"), htmlSafeMemberName(user->id())},
0421         {QStringLiteral("avatarSource"), avatarForMember(user)},
0422         {QStringLiteral("avatarMediaId"), user->avatarMediaId(this)},
0423         {QStringLiteral("color"), Utils::getUserColor(user->hueF())},
0424         {QStringLiteral("object"), QVariant::fromValue(user)},
0425     };
0426 }
0427 
0428 QString NeoChatRoom::avatarMediaId() const
0429 {
0430     if (const auto avatar = Room::avatarMediaId(); !avatar.isEmpty()) {
0431         return avatar;
0432     }
0433 
0434     // Use the first (excluding self) user's avatar for direct chats
0435     const auto dcUsers = directChatUsers();
0436     for (const auto u : dcUsers) {
0437         if (u != localUser()) {
0438             return u->avatarMediaId(this);
0439         }
0440     }
0441 
0442     return {};
0443 }
0444 
0445 void NeoChatRoom::changeAvatar(const QUrl &localFile)
0446 {
0447     const auto job = connection()->uploadFile(localFile.toLocalFile());
0448     if (isJobPending(job)) {
0449         connect(job, &BaseJob::success, this, [this, job] {
0450             connection()->callApi<SetRoomStateWithKeyJob>(id(), "m.room.avatar"_ls, QString(), QJsonObject{{"url"_ls, job->contentUri().toString()}});
0451         });
0452     }
0453 }
0454 
0455 QString msgTypeToString(MessageEventType msgType)
0456 {
0457     switch (msgType) {
0458     case MessageEventType::Text:
0459         return "m.text"_ls;
0460     case MessageEventType::File:
0461         return "m.file"_ls;
0462     case MessageEventType::Audio:
0463         return "m.audio"_ls;
0464     case MessageEventType::Emote:
0465         return "m.emote"_ls;
0466     case MessageEventType::Image:
0467         return "m.image"_ls;
0468     case MessageEventType::Video:
0469         return "m.video"_ls;
0470     case MessageEventType::Notice:
0471         return "m.notice"_ls;
0472     case MessageEventType::Location:
0473         return "m.location"_ls;
0474     default:
0475         return "m.text"_ls;
0476     }
0477 }
0478 
0479 void NeoChatRoom::postMessage(const QString &rawText,
0480                               const QString &text,
0481                               MessageEventType type,
0482                               const QString &replyEventId,
0483                               const QString &relateToEventId,
0484                               const QString &threadRootId)
0485 {
0486     postHtmlMessage(rawText, text, type, replyEventId, relateToEventId, threadRootId);
0487 }
0488 
0489 void NeoChatRoom::postHtmlMessage(const QString &text,
0490                                   const QString &html,
0491                                   MessageEventType type,
0492                                   const QString &replyEventId,
0493                                   const QString &relateToEventId,
0494                                   const QString &threadRootId)
0495 {
0496     bool isReply = !replyEventId.isEmpty();
0497     bool isEdit = !relateToEventId.isEmpty();
0498     bool isThread = !threadRootId.isEmpty();
0499     const auto replyIt = findInTimeline(replyEventId);
0500     if (replyIt == historyEdge()) {
0501         isReply = false;
0502     }
0503 
0504     if (isThread) {
0505         EventHandler eventHandler(this, &**replyIt);
0506 
0507         const bool isFallingBack = !eventHandler.isThreaded();
0508 
0509         // clang-format off
0510         QJsonObject json{
0511           {"msgtype"_ls, msgTypeToString(type)},
0512           {"body"_ls, text},
0513           {"format"_ls, "org.matrix.custom.html"_ls},
0514           {"m.relates_to"_ls,
0515             QJsonObject {
0516               {"rel_type"_ls, "m.thread"_ls},
0517               {"event_id"_ls, threadRootId},
0518               {"is_falling_back"_ls, isFallingBack},
0519               {"m.in_reply_to"_ls,
0520                 QJsonObject {
0521                   {"event_id"_ls, replyEventId}
0522                 }
0523               }
0524             }
0525           },
0526           {"formatted_body"_ls, html}
0527         };
0528         // clang-format on
0529 
0530         postJson("m.room.message"_ls, json);
0531         return;
0532     }
0533 
0534     if (isEdit) {
0535         QJsonObject json{
0536             {"type"_ls, "m.room.message"_ls},
0537             {"msgtype"_ls, msgTypeToString(type)},
0538             {"body"_ls, "* %1"_ls.arg(text)},
0539             {"format"_ls, "org.matrix.custom.html"_ls},
0540             {"formatted_body"_ls, html},
0541             {"m.new_content"_ls,
0542              QJsonObject{{"body"_ls, text}, {"msgtype"_ls, msgTypeToString(type)}, {"format"_ls, "org.matrix.custom.html"_ls}, {"formatted_body"_ls, html}}},
0543             {"m.relates_to"_ls, QJsonObject{{"rel_type"_ls, "m.replace"_ls}, {"event_id"_ls, relateToEventId}}}};
0544 
0545         postJson("m.room.message"_ls, json);
0546         return;
0547     }
0548 
0549     if (isReply) {
0550         const auto &replyEvt = **replyIt;
0551 
0552         EventHandler eventHandler(this, &**replyIt);
0553 
0554         // clang-format off
0555         QJsonObject json{
0556           {"msgtype"_ls, msgTypeToString(type)},
0557           {"body"_ls, "> <%1> %2\n\n%3"_ls.arg(replyEvt.senderId(), eventHandler.getPlainBody(), text)},
0558           {"format"_ls, "org.matrix.custom.html"_ls},
0559           {"m.relates_to"_ls,
0560             QJsonObject {
0561               {"m.in_reply_to"_ls,
0562                 QJsonObject {
0563                   {"event_id"_ls, replyEventId}
0564                 }
0565               }
0566             }
0567           },
0568           {"formatted_body"_ls,
0569               "<mx-reply><blockquote><a href=\"https://matrix.to/#/%1/%2\">In reply to</a> <a href=\"https://matrix.to/#/%3\">%4</a><br>%5</blockquote></mx-reply>%6"_ls.arg(id(), replyEventId, replyEvt.senderId(), replyEvt.senderId(), eventHandler.getRichBody(), html)
0570           }
0571         };
0572         // clang-format on
0573 
0574         postJson("m.room.message"_ls, json);
0575 
0576         return;
0577     }
0578 
0579     Room::postHtmlMessage(text, html, type);
0580 }
0581 
0582 void NeoChatRoom::toggleReaction(const QString &eventId, const QString &reaction)
0583 {
0584     if (eventId.isEmpty() || reaction.isEmpty()) {
0585         return;
0586     }
0587 
0588     const auto eventIt = findInTimeline(eventId);
0589     if (eventIt == historyEdge()) {
0590         return;
0591     }
0592 
0593     const auto &evt = **eventIt;
0594 
0595     QStringList redactEventIds; // What if there are multiple reaction events?
0596 
0597     const auto &annotations = relatedEvents(evt, EventRelation::AnnotationType);
0598     if (!annotations.isEmpty()) {
0599         for (const auto &a : annotations) {
0600             if (auto e = eventCast<const ReactionEvent>(a)) {
0601                 if (e->key() != reaction) {
0602                     continue;
0603                 }
0604 
0605                 if (e->senderId() == localUser()->id()) {
0606                     redactEventIds.push_back(e->id());
0607                     break;
0608                 }
0609             }
0610         }
0611     }
0612 
0613     if (!redactEventIds.isEmpty()) {
0614         for (const auto &redactEventId : redactEventIds) {
0615             redactEvent(redactEventId);
0616         }
0617     } else {
0618         postReaction(eventId, reaction);
0619     }
0620 }
0621 
0622 bool NeoChatRoom::containsUser(const QString &userID) const
0623 {
0624     return memberState(userID) != Membership::Leave;
0625 }
0626 
0627 bool NeoChatRoom::canSendEvent(const QString &eventType) const
0628 {
0629     auto plEvent = currentState().get<RoomPowerLevelsEvent>();
0630     if (!plEvent) {
0631         return false;
0632     }
0633     auto pl = plEvent->powerLevelForEvent(eventType);
0634     auto currentPl = plEvent->powerLevelForUser(localUser()->id());
0635 
0636     return currentPl >= pl;
0637 }
0638 
0639 bool NeoChatRoom::canSendState(const QString &eventType) const
0640 {
0641     auto plEvent = currentState().get<RoomPowerLevelsEvent>();
0642     if (!plEvent) {
0643         return false;
0644     }
0645     auto pl = plEvent->powerLevelForState(eventType);
0646     auto currentPl = plEvent->powerLevelForUser(localUser()->id());
0647 
0648     return currentPl >= pl;
0649 }
0650 
0651 bool NeoChatRoom::readMarkerLoaded() const
0652 {
0653     const auto it = findInTimeline(lastFullyReadEventId());
0654     return it != historyEdge();
0655 }
0656 
0657 bool NeoChatRoom::isInvite() const
0658 {
0659     return joinState() == JoinState::Invite;
0660 }
0661 
0662 bool NeoChatRoom::readOnly() const
0663 {
0664     return !canSendEvent("m.room.message"_ls);
0665 }
0666 
0667 bool NeoChatRoom::isUserBanned(const QString &user) const
0668 {
0669     auto roomMemberEvent = currentState().get<RoomMemberEvent>(user);
0670     if (!roomMemberEvent) {
0671         return false;
0672     }
0673     return roomMemberEvent->membership() == Membership::Ban;
0674 }
0675 
0676 void NeoChatRoom::deleteMessagesByUser(const QString &user, const QString &reason)
0677 {
0678     doDeleteMessagesByUser(user, reason);
0679 }
0680 
0681 QString NeoChatRoom::joinRule() const
0682 {
0683     auto joinRulesEvent = currentState().get<JoinRulesEvent>();
0684     if (!joinRulesEvent) {
0685         return {};
0686     }
0687     return joinRulesEvent->joinRule();
0688 }
0689 
0690 void NeoChatRoom::setJoinRule(const QString &joinRule, const QList<QString> &allowedSpaces)
0691 {
0692     if (!canSendState("m.room.join_rules"_ls)) {
0693         qWarning() << "Power level too low to set join rules";
0694         return;
0695     }
0696     auto actualRule = joinRule;
0697     if (joinRule == "restricted"_ls && allowedSpaces.isEmpty()) {
0698         actualRule = "private"_ls;
0699     }
0700 
0701     QJsonArray allowConditions;
0702     if (actualRule == "restricted"_ls) {
0703         for (auto allowedSpace : allowedSpaces) {
0704             allowConditions += QJsonObject{{"type"_ls, "m.room_membership"_ls}, {"room_id"_ls, allowedSpace}};
0705         }
0706     }
0707 
0708     QJsonObject content;
0709     content.insert("join_rule"_ls, joinRule);
0710     if (!allowConditions.isEmpty()) {
0711         content.insert("allow"_ls, allowConditions);
0712     }
0713     qWarning() << content;
0714     setState("m.room.join_rules"_ls, {}, content);
0715     // Not emitting joinRuleChanged() here, since that would override the change in the UI with the *current* value, which is not the *new* value.
0716 }
0717 
0718 QList<QString> NeoChatRoom::restrictedIds() const
0719 {
0720     auto joinRulesEvent = currentState().get<JoinRulesEvent>();
0721     if (!joinRulesEvent) {
0722         return {};
0723     }
0724     if (joinRulesEvent->joinRule() != "restricted"_ls) {
0725         return {};
0726     }
0727 
0728     QList<QString> roomIds;
0729     for (auto allow : joinRulesEvent->allow()) {
0730         roomIds += allow.toObject().value("room_id"_ls).toString();
0731     }
0732     return roomIds;
0733 }
0734 
0735 QString NeoChatRoom::historyVisibility() const
0736 {
0737     return currentState().get("m.room.history_visibility"_ls)->contentJson()["history_visibility"_ls].toString();
0738 }
0739 
0740 void NeoChatRoom::setHistoryVisibility(const QString &historyVisibilityRule)
0741 {
0742     if (!canSendState("m.room.history_visibility"_ls)) {
0743         qWarning() << "Power level too low to set history visibility";
0744         return;
0745     }
0746 
0747     setState("m.room.history_visibility"_ls, {}, QJsonObject{{"history_visibility"_ls, historyVisibilityRule}});
0748     // Not emitting historyVisibilityChanged() here, since that would override the change in the UI with the *current* value, which is not the *new* value.
0749 }
0750 
0751 bool NeoChatRoom::defaultUrlPreviewState() const
0752 {
0753     auto urlPreviewsDisabled = currentState().get("org.matrix.room.preview_urls"_ls);
0754 
0755     // Some rooms will not have this state event set so check for a nullptr return.
0756     if (urlPreviewsDisabled != nullptr) {
0757         return !urlPreviewsDisabled->contentJson()["disable"_ls].toBool();
0758     } else {
0759         return false;
0760     }
0761 }
0762 
0763 void NeoChatRoom::setDefaultUrlPreviewState(const bool &defaultUrlPreviewState)
0764 {
0765     if (!canSendState("org.matrix.room.preview_urls"_ls)) {
0766         qWarning() << "Power level too low to set the default URL preview state for the room";
0767         return;
0768     }
0769 
0770     /**
0771      * Note the org.matrix.room.preview_urls room state event is completely undocumented
0772      * so here it is because I'm nice.
0773      *
0774      * Also note this is a different event to org.matrix.room.preview_urls for room
0775      * account data, because even though it has the same name and content it's totally different.
0776      *
0777      * {
0778      *  "content": {
0779      *      "disable": false
0780      *  },
0781      *  "origin_server_ts": 1673115224071,
0782      *  "sender": "@bob:kde.org",
0783      *  "state_key": "",
0784      *  "type": "org.matrix.room.preview_urls",
0785      *  "unsigned": {
0786      *      "replaces_state": "replaced_event_id",
0787      *      "prev_content": {
0788      *          "disable": true
0789      *      },
0790      *      "prev_sender": "@jeff:kde.org",
0791      *      "age": 99
0792      *  },
0793      *  "event_id": "$event_id",
0794      *  "room_id": "!room_id:kde.org"
0795      * }
0796      *
0797      * You just have to set disable to true to disable URL previews by default.
0798      */
0799     setState("org.matrix.room.preview_urls"_ls, {}, QJsonObject{{"disable"_ls, !defaultUrlPreviewState}});
0800 }
0801 
0802 bool NeoChatRoom::urlPreviewEnabled() const
0803 {
0804     if (hasAccountData("org.matrix.room.preview_urls"_ls)) {
0805         return !accountData("org.matrix.room.preview_urls"_ls)->contentJson()["disable"_ls].toBool();
0806     } else {
0807         return defaultUrlPreviewState();
0808     }
0809 }
0810 
0811 void NeoChatRoom::setUrlPreviewEnabled(const bool &urlPreviewEnabled)
0812 {
0813     /**
0814      * Once again this is undocumented and even though the name and content are the
0815      * same this is a different event to the org.matrix.room.preview_urls room state event.
0816      *
0817      * {
0818      *  "content": {
0819      *      "disable": true
0820      *  }
0821      *  "type": "org.matrix.room.preview_urls",
0822      * }
0823      */
0824     connection()->callApi<SetAccountDataPerRoomJob>(localUser()->id(),
0825                                                     id(),
0826                                                     "org.matrix.room.preview_urls"_ls,
0827                                                     QJsonObject{{"disable"_ls, !urlPreviewEnabled}});
0828 }
0829 
0830 void NeoChatRoom::setUserPowerLevel(const QString &userID, const int &powerLevel)
0831 {
0832     if (joinedCount() <= 1) {
0833         qWarning() << "Cannot modify the power level of the only user";
0834         return;
0835     }
0836     if (!canSendState("m.room.power_levels"_ls)) {
0837         qWarning() << "Power level too low to set user power levels";
0838         return;
0839     }
0840     if (!isMember(userID)) {
0841         qWarning() << "User is not a member of this room so power level cannot be set";
0842         return;
0843     }
0844     int clampPowerLevel = std::clamp(powerLevel, 0, 100);
0845 
0846     auto powerLevelContent = currentState().get("m.room.power_levels"_ls)->contentJson();
0847     auto powerLevelUserOverrides = powerLevelContent["users"_ls].toObject();
0848 
0849     if (powerLevelUserOverrides[userID] != clampPowerLevel) {
0850         powerLevelUserOverrides[userID] = clampPowerLevel;
0851         powerLevelContent["users"_ls] = powerLevelUserOverrides;
0852 
0853         setState("m.room.power_levels"_ls, {}, powerLevelContent);
0854     }
0855 }
0856 
0857 int NeoChatRoom::getUserPowerLevel(const QString &userId) const
0858 {
0859     auto powerLevelEvent = currentState().get<RoomPowerLevelsEvent>();
0860     if (!powerLevelEvent) {
0861         return 0;
0862     }
0863     return powerLevelEvent->powerLevelForUser(userId);
0864 }
0865 
0866 int NeoChatRoom::powerLevel(const QString &eventName, const bool &isStateEvent) const
0867 {
0868     const auto powerLevelEvent = currentState().get<RoomPowerLevelsEvent>();
0869     if (eventName == "ban"_ls) {
0870         return powerLevelEvent->ban();
0871     } else if (eventName == "kick"_ls) {
0872         return powerLevelEvent->kick();
0873     } else if (eventName == "invite"_ls) {
0874         return powerLevelEvent->invite();
0875     } else if (eventName == "redact"_ls) {
0876         return powerLevelEvent->redact();
0877     } else if (eventName == "users_default"_ls) {
0878         return powerLevelEvent->usersDefault();
0879     } else if (eventName == "state_default"_ls) {
0880         return powerLevelEvent->stateDefault();
0881     } else if (eventName == "events_default"_ls) {
0882         return powerLevelEvent->eventsDefault();
0883     } else if (isStateEvent) {
0884         return powerLevelEvent->powerLevelForState(eventName);
0885     } else {
0886         return powerLevelEvent->powerLevelForEvent(eventName);
0887     }
0888 }
0889 
0890 void NeoChatRoom::setPowerLevel(const QString &eventName, const int &newPowerLevel, const bool &isStateEvent)
0891 {
0892     auto powerLevelContent = currentState().get("m.room.power_levels"_ls)->contentJson();
0893     int clampPowerLevel = std::clamp(newPowerLevel, 0, 100);
0894     int powerLevel = 0;
0895 
0896     if (powerLevelContent.contains(eventName)) {
0897         powerLevel = powerLevelContent[eventName].toInt();
0898 
0899         if (powerLevel != clampPowerLevel) {
0900             powerLevelContent[eventName] = clampPowerLevel;
0901         }
0902     } else {
0903         auto eventPowerLevels = powerLevelContent["events"_ls].toObject();
0904 
0905         if (eventPowerLevels.contains(eventName)) {
0906             powerLevel = eventPowerLevels[eventName].toInt();
0907         } else {
0908             if (isStateEvent) {
0909                 powerLevel = powerLevelContent["state_default"_ls].toInt();
0910             } else {
0911                 powerLevel = powerLevelContent["events_default"_ls].toInt();
0912             }
0913         }
0914 
0915         if (powerLevel != clampPowerLevel) {
0916             eventPowerLevels[eventName] = clampPowerLevel;
0917             powerLevelContent["events"_ls] = eventPowerLevels;
0918         }
0919     }
0920 
0921     setState("m.room.power_levels"_ls, {}, powerLevelContent);
0922 }
0923 
0924 int NeoChatRoom::defaultUserPowerLevel() const
0925 {
0926     return powerLevel("users_default"_ls);
0927 }
0928 
0929 void NeoChatRoom::setDefaultUserPowerLevel(const int &newPowerLevel)
0930 {
0931     setPowerLevel("users_default"_ls, newPowerLevel);
0932 }
0933 
0934 int NeoChatRoom::invitePowerLevel() const
0935 {
0936     return powerLevel("invite"_ls);
0937 }
0938 
0939 void NeoChatRoom::setInvitePowerLevel(const int &newPowerLevel)
0940 {
0941     setPowerLevel("invite"_ls, newPowerLevel);
0942 }
0943 
0944 int NeoChatRoom::kickPowerLevel() const
0945 {
0946     return powerLevel("kick"_ls);
0947 }
0948 
0949 void NeoChatRoom::setKickPowerLevel(const int &newPowerLevel)
0950 {
0951     setPowerLevel("kick"_ls, newPowerLevel);
0952 }
0953 
0954 int NeoChatRoom::banPowerLevel() const
0955 {
0956     return powerLevel("ban"_ls);
0957 }
0958 
0959 void NeoChatRoom::setBanPowerLevel(const int &newPowerLevel)
0960 {
0961     setPowerLevel("ban"_ls, newPowerLevel);
0962 }
0963 
0964 int NeoChatRoom::redactPowerLevel() const
0965 {
0966     return powerLevel("redact"_ls);
0967 }
0968 
0969 void NeoChatRoom::setRedactPowerLevel(const int &newPowerLevel)
0970 {
0971     setPowerLevel("redact"_ls, newPowerLevel);
0972 }
0973 
0974 int NeoChatRoom::statePowerLevel() const
0975 {
0976     return powerLevel("state_default"_ls);
0977 }
0978 
0979 void NeoChatRoom::setStatePowerLevel(const int &newPowerLevel)
0980 {
0981     setPowerLevel("state_default"_ls, newPowerLevel);
0982 }
0983 
0984 int NeoChatRoom::defaultEventPowerLevel() const
0985 {
0986     return powerLevel("events_default"_ls);
0987 }
0988 
0989 void NeoChatRoom::setDefaultEventPowerLevel(const int &newPowerLevel)
0990 {
0991     setPowerLevel("events_default"_ls, newPowerLevel);
0992 }
0993 
0994 int NeoChatRoom::powerLevelPowerLevel() const
0995 {
0996     return powerLevel("m.room.power_levels"_ls, true);
0997 }
0998 
0999 void NeoChatRoom::setPowerLevelPowerLevel(const int &newPowerLevel)
1000 {
1001     setPowerLevel("m.room.power_levels"_ls, newPowerLevel, true);
1002 }
1003 
1004 int NeoChatRoom::namePowerLevel() const
1005 {
1006     return powerLevel("m.room.name"_ls, true);
1007 }
1008 
1009 void NeoChatRoom::setNamePowerLevel(const int &newPowerLevel)
1010 {
1011     setPowerLevel("m.room.name"_ls, newPowerLevel, true);
1012 }
1013 
1014 int NeoChatRoom::avatarPowerLevel() const
1015 {
1016     return powerLevel("m.room.avatar"_ls, true);
1017 }
1018 
1019 void NeoChatRoom::setAvatarPowerLevel(const int &newPowerLevel)
1020 {
1021     setPowerLevel("m.room.avatar"_ls, newPowerLevel, true);
1022 }
1023 
1024 int NeoChatRoom::canonicalAliasPowerLevel() const
1025 {
1026     return powerLevel("m.room.canonical_alias"_ls, true);
1027 }
1028 
1029 void NeoChatRoom::setCanonicalAliasPowerLevel(const int &newPowerLevel)
1030 {
1031     setPowerLevel("m.room.canonical_alias"_ls, newPowerLevel, true);
1032 }
1033 
1034 int NeoChatRoom::topicPowerLevel() const
1035 {
1036     return powerLevel("m.room.topic"_ls, true);
1037 }
1038 
1039 void NeoChatRoom::setTopicPowerLevel(const int &newPowerLevel)
1040 {
1041     setPowerLevel("m.room.topic"_ls, newPowerLevel, true);
1042 }
1043 
1044 int NeoChatRoom::encryptionPowerLevel() const
1045 {
1046     return powerLevel("m.room.encryption"_ls, true);
1047 }
1048 
1049 void NeoChatRoom::setEncryptionPowerLevel(const int &newPowerLevel)
1050 {
1051     setPowerLevel("m.room.encryption"_ls, newPowerLevel, true);
1052 }
1053 
1054 int NeoChatRoom::historyVisibilityPowerLevel() const
1055 {
1056     return powerLevel("m.room.history_visibility"_ls, true);
1057 }
1058 
1059 void NeoChatRoom::setHistoryVisibilityPowerLevel(const int &newPowerLevel)
1060 {
1061     setPowerLevel("m.room.history_visibility"_ls, newPowerLevel, true);
1062 }
1063 
1064 int NeoChatRoom::pinnedEventsPowerLevel() const
1065 {
1066     return powerLevel("m.room.pinned_events"_ls, true);
1067 }
1068 
1069 void NeoChatRoom::setPinnedEventsPowerLevel(const int &newPowerLevel)
1070 {
1071     setPowerLevel("m.room.pinned_events"_ls, newPowerLevel, true);
1072 }
1073 
1074 int NeoChatRoom::tombstonePowerLevel() const
1075 {
1076     return powerLevel("m.room.tombstone"_ls, true);
1077 }
1078 
1079 void NeoChatRoom::setTombstonePowerLevel(const int &newPowerLevel)
1080 {
1081     setPowerLevel("m.room.tombstone"_ls, newPowerLevel, true);
1082 }
1083 
1084 int NeoChatRoom::serverAclPowerLevel() const
1085 {
1086     return powerLevel("m.room.server_acl"_ls, true);
1087 }
1088 
1089 void NeoChatRoom::setServerAclPowerLevel(const int &newPowerLevel)
1090 {
1091     setPowerLevel("m.room.server_acl"_ls, newPowerLevel, true);
1092 }
1093 
1094 int NeoChatRoom::spaceChildPowerLevel() const
1095 {
1096     return powerLevel("m.space.child"_ls, true);
1097 }
1098 
1099 void NeoChatRoom::setSpaceChildPowerLevel(const int &newPowerLevel)
1100 {
1101     setPowerLevel("m.space.child"_ls, newPowerLevel, true);
1102 }
1103 
1104 int NeoChatRoom::spaceParentPowerLevel() const
1105 {
1106     return powerLevel("m.space.parent"_ls, true);
1107 }
1108 
1109 void NeoChatRoom::setSpaceParentPowerLevel(const int &newPowerLevel)
1110 {
1111     setPowerLevel("m.space.parent"_ls, newPowerLevel, true);
1112 }
1113 
1114 QCoro::Task<void> NeoChatRoom::doDeleteMessagesByUser(const QString &user, QString reason)
1115 {
1116     QStringList events;
1117     for (const auto &event : messageEvents()) {
1118         if (event->senderId() == user && !event->isRedacted() && !event.viewAs<RedactionEvent>() && !event->isStateEvent()) {
1119             events += event->id();
1120         }
1121     }
1122     for (const auto &e : events) {
1123         auto job = connection()->callApi<RedactEventJob>(id(), QString::fromLatin1(QUrl::toPercentEncoding(e)), connection()->generateTxnId(), reason);
1124         co_await qCoro(job, &BaseJob::finished);
1125         if (job->error() != BaseJob::Success) {
1126             qWarning() << "Error: \"" << job->error() << "\" while deleting messages. Aborting";
1127             break;
1128         }
1129     }
1130 }
1131 
1132 void NeoChatRoom::clearInvitationNotification()
1133 {
1134     NotificationsManager::instance().clearInvitationNotification(id());
1135 }
1136 
1137 bool NeoChatRoom::hasParent() const
1138 {
1139     return currentState().eventsOfType("m.space.parent"_ls).size() > 0;
1140 }
1141 
1142 QList<QString> NeoChatRoom::parentIds() const
1143 {
1144     auto parentEvents = currentState().eventsOfType("m.space.parent"_ls);
1145     QList<QString> parentIds;
1146     for (const auto &parentEvent : parentEvents) {
1147         if (parentEvent->contentJson().contains("via"_ls) && !parentEvent->contentPart<QJsonArray>("via"_ls).isEmpty()) {
1148             parentIds += parentEvent->stateKey();
1149         }
1150     }
1151     return parentIds;
1152 }
1153 
1154 QList<NeoChatRoom *> NeoChatRoom::parentObjects(bool multiLevel) const
1155 {
1156     QList<NeoChatRoom *> parentObjects;
1157     QList<QString> parentIds = this->parentIds();
1158     for (const auto &parentId : parentIds) {
1159         if (auto parentObject = static_cast<NeoChatRoom *>(connection()->room(parentId))) {
1160             parentObjects += parentObject;
1161             if (multiLevel) {
1162                 parentObjects += parentObject->parentObjects(true);
1163             }
1164         }
1165     }
1166     return parentObjects;
1167 }
1168 
1169 QString NeoChatRoom::canonicalParent() const
1170 {
1171     auto parentEvents = currentState().eventsOfType("m.space.parent"_ls);
1172     for (const auto &parentEvent : parentEvents) {
1173         if (parentEvent->contentJson().contains("via"_ls) && !parentEvent->contentPart<QJsonArray>("via"_ls).isEmpty()) {
1174             if (parentEvent->contentPart<bool>("canonical"_ls)) {
1175                 return parentEvent->stateKey();
1176             }
1177         }
1178     }
1179     return {};
1180 }
1181 
1182 void NeoChatRoom::setCanonicalParent(const QString &parentId)
1183 {
1184     if (!canModifyParent(parentId)) {
1185         return;
1186     }
1187     if (const auto &parent = currentState().get("m.space.parent"_ls, parentId)) {
1188         auto content = parent->contentJson();
1189         content.insert("canonical"_ls, true);
1190         setState("m.space.parent"_ls, parentId, content);
1191     } else {
1192         return;
1193     }
1194 
1195     // Only one canonical parent can exist so make sure others are set false.
1196     auto parentEvents = currentState().eventsOfType("m.space.parent"_ls);
1197     for (const auto &parentEvent : parentEvents) {
1198         if (parentEvent->contentPart<bool>("canonical"_ls) && parentEvent->stateKey() != parentId) {
1199             auto content = parentEvent->contentJson();
1200             content.insert("canonical"_ls, false);
1201             setState("m.space.parent"_ls, parentEvent->stateKey(), content);
1202         }
1203     }
1204 }
1205 
1206 bool NeoChatRoom::canModifyParent(const QString &parentId) const
1207 {
1208     if (!canSendState("m.space.parent"_ls)) {
1209         return false;
1210     }
1211     // If we can't peek the parent we assume that we neither have permission nor is
1212     // there an existing space child event for this room.
1213     if (auto parent = static_cast<NeoChatRoom *>(connection()->room(parentId))) {
1214         if (!parent->isSpace()) {
1215             return false;
1216         }
1217         // If the user is allowed to set space child events in the parent they are
1218         // allowed to set the space as a parent (even if a space child event doesn't
1219         // exist).
1220         if (parent->canSendState("m.space.child"_ls)) {
1221             return true;
1222         }
1223         // If the parent has a space child event the user can set as a parent (even
1224         // if they don't have permission to set space child events in that parent).
1225         if (parent->currentState().contains("m.space.child"_ls, id())) {
1226             return true;
1227         }
1228     }
1229     return false;
1230 }
1231 
1232 void NeoChatRoom::addParent(const QString &parentId, bool canonical, bool setParentChild)
1233 {
1234     if (!canModifyParent(parentId)) {
1235         return;
1236     }
1237     if (canonical) {
1238         // Only one canonical parent can exist so make sure others are set false.
1239         auto parentEvents = currentState().eventsOfType("m.space.parent"_ls);
1240         for (const auto &parentEvent : parentEvents) {
1241             if (parentEvent->contentPart<bool>("canonical"_ls)) {
1242                 auto content = parentEvent->contentJson();
1243                 content.insert("canonical"_ls, false);
1244                 setState("m.space.parent"_ls, parentEvent->stateKey(), content);
1245             }
1246         }
1247     }
1248 
1249     setState("m.space.parent"_ls, parentId, QJsonObject{{"canonical"_ls, canonical}, {"via"_ls, QJsonArray{connection()->domain()}}});
1250 
1251     if (setParentChild) {
1252         if (auto parent = static_cast<NeoChatRoom *>(connection()->room(parentId))) {
1253             parent->setState("m.space.child"_ls, id(), QJsonObject{{QLatin1String("via"), QJsonArray{connection()->domain()}}});
1254         }
1255     }
1256 }
1257 
1258 void NeoChatRoom::removeParent(const QString &parentId)
1259 {
1260     if (!canModifyParent(parentId)) {
1261         return;
1262     }
1263     if (!currentState().contains("m.space.parent"_ls, parentId)) {
1264         return;
1265     }
1266     if (auto parent = static_cast<NeoChatRoom *>(connection()->room(parentId))) {
1267         setState("m.space.parent"_ls, parentId, {});
1268     }
1269 }
1270 
1271 bool NeoChatRoom::isSpace()
1272 {
1273     const auto creationEvent = this->creation();
1274     if (!creationEvent) {
1275         return false;
1276     }
1277 
1278     return creationEvent->roomType() == RoomType::Space;
1279 }
1280 
1281 void NeoChatRoom::addChild(const QString &childId, bool setChildParent, bool canonical, bool suggested)
1282 {
1283     if (!isSpace()) {
1284         return;
1285     }
1286     if (!canSendEvent("m.space.child"_ls)) {
1287         return;
1288     }
1289     setState("m.space.child"_ls, childId, QJsonObject{{QLatin1String("via"), QJsonArray{connection()->domain()}}, {"suggested"_ls, suggested}});
1290 
1291     if (setChildParent) {
1292         if (auto child = static_cast<NeoChatRoom *>(connection()->room(childId))) {
1293             if (child->canSendState("m.space.parent"_ls)) {
1294                 child->setState("m.space.parent"_ls, id(), QJsonObject{{"canonical"_ls, canonical}, {"via"_ls, QJsonArray{connection()->domain()}}});
1295 
1296                 if (canonical) {
1297                     // Only one canonical parent can exist so make sure others are set to false.
1298                     auto parentEvents = child->currentState().eventsOfType("m.space.parent"_ls);
1299                     for (const auto &parentEvent : parentEvents) {
1300                         if (parentEvent->contentPart<bool>("canonical"_ls)) {
1301                             auto content = parentEvent->contentJson();
1302                             content.insert("canonical"_ls, false);
1303                             setState("m.space.parent"_ls, parentEvent->stateKey(), content);
1304                         }
1305                     }
1306                 }
1307             }
1308         }
1309     }
1310 }
1311 
1312 void NeoChatRoom::removeChild(const QString &childId, bool unsetChildParent)
1313 {
1314     if (!isSpace()) {
1315         return;
1316     }
1317     if (!canSendEvent("m.space.child"_ls)) {
1318         return;
1319     }
1320     setState("m.space.child"_ls, childId, {});
1321 
1322     if (unsetChildParent) {
1323         if (auto child = static_cast<NeoChatRoom *>(connection()->room(childId))) {
1324             if (child->canSendState("m.space.parent"_ls) && child->currentState().contains("m.space.parent"_ls, id())) {
1325                 child->setState("m.space.parent"_ls, id(), {});
1326             }
1327         }
1328     }
1329 }
1330 
1331 bool NeoChatRoom::isSuggested(const QString &childId)
1332 {
1333     if (!currentState().contains("m.space.child"_ls, childId)) {
1334         return false;
1335     }
1336     const auto childEvent = currentState().get("m.space.child"_ls, childId);
1337     return childEvent->contentPart<bool>("suggested"_ls);
1338 }
1339 
1340 void NeoChatRoom::toggleChildSuggested(const QString &childId)
1341 {
1342     if (!isSpace()) {
1343         return;
1344     }
1345     if (!canSendEvent("m.space.child"_ls)) {
1346         return;
1347     }
1348     if (const auto childEvent = currentState().get("m.space.child"_ls, childId)) {
1349         auto content = childEvent->contentJson();
1350         content.insert("suggested"_ls, !childEvent->contentPart<bool>("suggested"_ls));
1351         setState("m.space.child"_ls, childId, content);
1352     }
1353 }
1354 
1355 PushNotificationState::State NeoChatRoom::pushNotificationState() const
1356 {
1357     return m_currentPushNotificationState;
1358 }
1359 
1360 void NeoChatRoom::setPushNotificationState(PushNotificationState::State state)
1361 {
1362     // The caller should never try to set the state to unknown.
1363     // It exists only as a default state to diable the settings options until the actual state is retrieved from the server.
1364     if (state == PushNotificationState::Unknown) {
1365         Q_ASSERT(false);
1366         return;
1367     }
1368 
1369     /**
1370      * This stops updatePushNotificationState from temporarily changing
1371      * m_pushNotificationStateUpdating to default after the exisitng rules are deleted but
1372      * before a new rule is added.
1373      * The value is set to false after the rule enable job is successful.
1374      */
1375     m_pushNotificationStateUpdating = true;
1376 
1377     /**
1378      * First remove any existing room rules of the wrong type.
1379      * Note to prevent race conditions any rule that is going ot be overridden later is not removed.
1380      * If the default push notification state is chosen any existing rule needs to be removed.
1381      */
1382     QJsonObject accountData = connection()->accountDataJson("m.push_rules"_ls);
1383 
1384     // For default and mute check for a room rule and remove if found.
1385     if (state == PushNotificationState::Default || state == PushNotificationState::Mute) {
1386         QJsonArray roomRuleArray = accountData["global"_ls].toObject()["room"_ls].toArray();
1387         for (const auto &i : roomRuleArray) {
1388             QJsonObject roomRule = i.toObject();
1389             if (roomRule["rule_id"_ls] == id()) {
1390                 connection()->callApi<DeletePushRuleJob>("global"_ls, "room"_ls, id());
1391             }
1392         }
1393     }
1394 
1395     // For default, all and @mentions and keywords check for an override rule and remove if found.
1396     if (state == PushNotificationState::Default || state == PushNotificationState::All || state == PushNotificationState::MentionKeyword) {
1397         QJsonArray overrideRuleArray = accountData["global"_ls].toObject()["override"_ls].toArray();
1398         for (const auto &i : overrideRuleArray) {
1399             QJsonObject overrideRule = i.toObject();
1400             if (overrideRule["rule_id"_ls] == id()) {
1401                 connection()->callApi<DeletePushRuleJob>("global"_ls, "override"_ls, id());
1402             }
1403         }
1404     }
1405 
1406     if (state == PushNotificationState::Mute) {
1407         /**
1408          * To mute a room an override rule with "don't notify is set".
1409          *
1410          * Setup the rule action to "don't notify" to stop all room notifications
1411          * see https://spec.matrix.org/v1.3/client-server-api/#actions
1412          *
1413          * "actions": [
1414          *      "don't_notify"
1415          * ]
1416          */
1417         const QList<QVariant> actions = {"dont_notify"_ls};
1418         /**
1419          * Setup the push condition to get all events for the current room
1420          * see https://spec.matrix.org/v1.3/client-server-api/#conditions-1
1421          *
1422          * "conditions": [
1423          *      {
1424          *          "key": "type",
1425          *          "kind": "event_match",
1426          *          "pattern": "room_id"
1427          *      }
1428          * ]
1429          */
1430         PushCondition pushCondition;
1431         pushCondition.kind = "event_match"_ls;
1432         pushCondition.key = "room_id"_ls;
1433         pushCondition.pattern = id();
1434         const QList<PushCondition> conditions = {pushCondition};
1435 
1436         // Add new override rule and make sure it's enabled
1437         auto job = connection()->callApi<SetPushRuleJob>("global"_ls, "override"_ls, id(), actions, QString(), QString(), conditions, QString());
1438         connect(job, &BaseJob::success, this, [this]() {
1439             auto enableJob = connection()->callApi<SetPushRuleEnabledJob>("global"_ls, "override"_ls, id(), true);
1440             connect(enableJob, &BaseJob::success, this, [this]() {
1441                 m_pushNotificationStateUpdating = false;
1442             });
1443         });
1444     } else if (state == PushNotificationState::MentionKeyword) {
1445         /**
1446          * To only get notifcations for @ mentions and keywords a room rule with "don't_notify" is set.
1447          *
1448          * Note -  This works becuase a default override rule which catches all user mentions will
1449          * take precedent and notify. See https://spec.matrix.org/v1.3/client-server-api/#default-override-rules. Any keywords will also have a similar override
1450          * rule.
1451          *
1452          * Setup the rule action to "don't notify" to stop all room event notifications
1453          * see https://spec.matrix.org/v1.3/client-server-api/#actions
1454          *
1455          * "actions": [
1456          *      "don't_notify"
1457          * ]
1458          */
1459         const QList<QVariant> actions = {"dont_notify"_ls};
1460         // No conditions for a room rule
1461         const QList<PushCondition> conditions;
1462 
1463         auto setJob = connection()->callApi<SetPushRuleJob>("global"_ls, "room"_ls, id(), actions, QString(), QString(), conditions, QString());
1464         connect(setJob, &BaseJob::success, this, [this]() {
1465             auto enableJob = connection()->callApi<SetPushRuleEnabledJob>("global"_ls, "room"_ls, id(), true);
1466             connect(enableJob, &BaseJob::success, this, [this]() {
1467                 m_pushNotificationStateUpdating = false;
1468             });
1469         });
1470     } else if (state == PushNotificationState::All) {
1471         /**
1472          * To send a notification for all room messages a room rule with "notify" is set.
1473          *
1474          * Setup the rule action to "notify" so all room events give notifications.
1475          * Tweeks is also set to follow default sound settings
1476          * see https://spec.matrix.org/v1.3/client-server-api/#actions
1477          *
1478          * "actions": [
1479          *      "notify",
1480          *      {
1481          *          "set_tweek": "sound",
1482          *          "value": "default",
1483          *      }
1484          * ]
1485          */
1486         QJsonObject tweaks;
1487         tweaks.insert("set_tweak"_ls, "sound"_ls);
1488         tweaks.insert("value"_ls, "default"_ls);
1489         const QList<QVariant> actions = {"notify"_ls, tweaks};
1490         // No conditions for a room rule
1491         const QList<PushCondition> conditions;
1492 
1493         // Add new room rule and make sure enabled
1494         auto setJob = connection()->callApi<SetPushRuleJob>("global"_ls, "room"_ls, id(), actions, QString(), QString(), conditions, QString());
1495         connect(setJob, &BaseJob::success, this, [this]() {
1496             auto enableJob = connection()->callApi<SetPushRuleEnabledJob>("global"_ls, "room"_ls, id(), true);
1497             connect(enableJob, &BaseJob::success, this, [this]() {
1498                 m_pushNotificationStateUpdating = false;
1499             });
1500         });
1501     }
1502 
1503     m_currentPushNotificationState = state;
1504     Q_EMIT pushNotificationStateChanged(m_currentPushNotificationState);
1505 
1506 }
1507 
1508 void NeoChatRoom::updatePushNotificationState(QString type)
1509 {
1510     if (type != "m.push_rules"_ls || m_pushNotificationStateUpdating) {
1511         return;
1512     }
1513 
1514     QJsonObject accountData = connection()->accountDataJson("m.push_rules"_ls);
1515 
1516     // First look for a room rule with the room id
1517     QJsonArray roomRuleArray = accountData["global"_ls].toObject()["room"_ls].toArray();
1518     for (const auto &i : roomRuleArray) {
1519         QJsonObject roomRule = i.toObject();
1520         if (roomRule["rule_id"_ls] == id()) {
1521             if (roomRule["actions"_ls].toArray().size() == 0) {
1522                 m_currentPushNotificationState = PushNotificationState::MentionKeyword;
1523                 Q_EMIT pushNotificationStateChanged(m_currentPushNotificationState);
1524                 return;
1525             }
1526             QString notifyAction = roomRule["actions"_ls].toArray()[0].toString();
1527             if (notifyAction == "notify"_ls) {
1528                 m_currentPushNotificationState = PushNotificationState::All;
1529                 Q_EMIT pushNotificationStateChanged(m_currentPushNotificationState);
1530                 return;
1531             } else if (notifyAction == "dont_notify"_ls) {
1532                 m_currentPushNotificationState = PushNotificationState::MentionKeyword;
1533                 Q_EMIT pushNotificationStateChanged(m_currentPushNotificationState);
1534                 return;
1535             }
1536         }
1537     }
1538 
1539     // Check for an override rule with the room id
1540     QJsonArray overrideRuleArray = accountData["global"_ls].toObject()["override"_ls].toArray();
1541     for (const auto &i : overrideRuleArray) {
1542         QJsonObject overrideRule = i.toObject();
1543         if (overrideRule["rule_id"_ls] == id()) {
1544             if (overrideRule["actions"_ls].toArray().isEmpty()) {
1545                 m_currentPushNotificationState = PushNotificationState::Mute;
1546                 Q_EMIT pushNotificationStateChanged(m_currentPushNotificationState);
1547                 return;
1548             }
1549             QString notifyAction = overrideRule["actions"_ls].toArray()[0].toString();
1550             if (notifyAction == "dont_notify"_ls) {
1551                 m_currentPushNotificationState = PushNotificationState::Mute;
1552                 Q_EMIT pushNotificationStateChanged(m_currentPushNotificationState);
1553                 return;
1554             }
1555         }
1556     }
1557 
1558     // If neither a room or override rule exist for the room then the setting must be default
1559     m_currentPushNotificationState = PushNotificationState::Default;
1560     Q_EMIT pushNotificationStateChanged(m_currentPushNotificationState);
1561 }
1562 
1563 void NeoChatRoom::reportEvent(const QString &eventId, const QString &reason)
1564 {
1565     auto job = connection()->callApi<ReportContentJob>(id(), eventId, -50, reason);
1566     connect(job, &BaseJob::finished, this, [this, job]() {
1567         if (job->error() == BaseJob::Success) {
1568             Q_EMIT showMessage(Positive, i18n("Report sent successfully."));
1569             Q_EMIT showMessage(MessageType::Positive, i18n("Report sent successfully."));
1570         }
1571     });
1572 }
1573 
1574 QByteArray NeoChatRoom::getEventJsonSource(const QString &eventId)
1575 {
1576     auto evtIt = findInTimeline(eventId);
1577     if (evtIt != messageEvents().rend() && is<RoomEvent>(**evtIt)) {
1578         const auto event = evtIt->viewAs<RoomEvent>();
1579         return QJsonDocument(event->fullJson()).toJson();
1580     }
1581     return {};
1582 }
1583 
1584 void NeoChatRoom::openEventMediaExternally(const QString &eventId)
1585 {
1586     const auto evtIt = findInTimeline(eventId);
1587     if (evtIt != messageEvents().rend() && is<RoomMessageEvent>(**evtIt)) {
1588         const auto event = evtIt->viewAs<RoomMessageEvent>();
1589         if (event->hasFileContent()) {
1590             const auto transferInfo = fileTransferInfo(eventId);
1591             if (transferInfo.completed()) {
1592                 UrlHelper helper;
1593                 helper.openUrl(transferInfo.localPath);
1594             } else {
1595                 downloadFile(eventId,
1596                              QUrl(QStandardPaths::writableLocation(QStandardPaths::CacheLocation) + u'/'
1597                                   + event->id().replace(u':', u'_').replace(u'/', u'_').replace(u'+', u'_') + fileNameToDownload(eventId)));
1598                 connect(this, &Room::fileTransferCompleted, this, [this, eventId](QString id, QUrl localFile, FileSourceInfo fileMetadata) {
1599                     Q_UNUSED(localFile);
1600                     Q_UNUSED(fileMetadata);
1601                     if (id == eventId) {
1602                         auto transferInfo = fileTransferInfo(eventId);
1603                         UrlHelper helper;
1604                         helper.openUrl(transferInfo.localPath);
1605                     }
1606                 });
1607             }
1608         }
1609     }
1610 }
1611 
1612 void NeoChatRoom::copyEventMedia(const QString &eventId)
1613 {
1614     const auto evtIt = findInTimeline(eventId);
1615     if (evtIt != messageEvents().rend() && is<RoomMessageEvent>(**evtIt)) {
1616         const auto event = evtIt->viewAs<RoomMessageEvent>();
1617         if (event->hasFileContent()) {
1618             const auto transferInfo = fileTransferInfo(eventId);
1619             if (transferInfo.completed()) {
1620                 Clipboard clipboard;
1621                 clipboard.setImage(transferInfo.localPath);
1622             } else {
1623                 downloadFile(eventId,
1624                              QUrl(QStandardPaths::writableLocation(QStandardPaths::CacheLocation) + u'/'
1625                                   + event->id().replace(u':', u'_').replace(u'/', u'_').replace(u'+', u'_') + fileNameToDownload(eventId)));
1626                 connect(this, &Room::fileTransferCompleted, this, [this, eventId](QString id, QUrl localFile, FileSourceInfo fileMetadata) {
1627                     Q_UNUSED(localFile);
1628                     Q_UNUSED(fileMetadata);
1629                     if (id == eventId) {
1630                         auto transferInfo = fileTransferInfo(eventId);
1631                         Clipboard clipboard;
1632                         clipboard.setImage(transferInfo.localPath);
1633                     }
1634                 });
1635             }
1636         }
1637     }
1638 }
1639 
1640 ChatBarCache *NeoChatRoom::mainCache() const
1641 {
1642     return m_mainCache;
1643 }
1644 
1645 ChatBarCache *NeoChatRoom::editCache() const
1646 {
1647     return m_editCache;
1648 }
1649 
1650 void NeoChatRoom::replyLastMessage()
1651 {
1652     const auto &timelineBottom = messageEvents().rbegin();
1653 
1654     // set a cap limit of startRow + 35 messages, to prevent loading a lot of messages
1655     // in rooms where the user has not sent many messages
1656     const auto limit = timelineBottom + std::min(35, timelineSize());
1657 
1658     for (auto it = timelineBottom; it != limit; ++it) {
1659         auto evt = it->event();
1660         auto e = eventCast<const RoomMessageEvent>(evt);
1661         if (!e) {
1662             continue;
1663         }
1664 
1665         auto content = (*it)->contentJson();
1666 
1667         if (e->msgtype() != MessageEventType::Unknown) {
1668             QString eventId;
1669             if (content.contains("m.new_content"_ls)) {
1670                 // The message has been edited so we have to return the id of the original message instead of the replacement
1671                 eventId = content["m.relates_to"_ls].toObject()["event_id"_ls].toString();
1672             } else {
1673                 // For any message that isn't an edit return the id of the current message
1674                 eventId = (*it)->id();
1675             }
1676             mainCache()->setReplyId(eventId);
1677             return;
1678         }
1679     }
1680 }
1681 
1682 void NeoChatRoom::editLastMessage()
1683 {
1684     const auto &timelineBottom = messageEvents().rbegin();
1685 
1686     // set a cap limit of 35 messages, to prevent loading a lot of messages
1687     // in rooms where the user has not sent many messages
1688     const auto limit = timelineBottom + std::min(35, timelineSize());
1689 
1690     for (auto it = timelineBottom; it != limit; ++it) {
1691         auto evt = it->event();
1692         auto e = eventCast<const RoomMessageEvent>(evt);
1693         if (!e) {
1694             continue;
1695         }
1696 
1697         // check if the current message's sender's id is same as the user's id
1698         if ((*it)->senderId() == localUser()->id()) {
1699             auto content = (*it)->contentJson();
1700 
1701             if (e->msgtype() != MessageEventType::Unknown) {
1702                 QString eventId;
1703                 if (content.contains("m.new_content"_ls)) {
1704                     // The message has been edited so we have to return the id of the original message instead of the replacement
1705                     eventId = content["m.relates_to"_ls].toObject()["event_id"_ls].toString();
1706                 } else {
1707                     // For any message that isn't an edit return the id of the current message
1708                     eventId = (*it)->id();
1709                 }
1710                 editCache()->setEditId(eventId);
1711                 return;
1712             }
1713         }
1714     }
1715 }
1716 
1717 bool NeoChatRoom::canEncryptRoom() const
1718 {
1719     return !usesEncryption() && canSendState("m.room.encryption"_ls);
1720 }
1721 
1722 static PollHandler *emptyPollHandler = new PollHandler;
1723 
1724 PollHandler *NeoChatRoom::poll(const QString &eventId) const
1725 {
1726     if (auto pollHandler = m_polls[eventId]) {
1727         return pollHandler;
1728     }
1729     return emptyPollHandler;
1730 }
1731 
1732 void NeoChatRoom::createPollHandler(const Quotient::PollStartEvent *event)
1733 {
1734     if (event == nullptr) {
1735         return;
1736     }
1737     auto eventId = event->id();
1738     if (!m_polls.contains(eventId)) {
1739         auto handler = new PollHandler(this, event);
1740         m_polls.insert(eventId, handler);
1741     }
1742 }
1743 
1744 bool NeoChatRoom::downloadTempFile(const QString &eventId)
1745 {
1746     QTemporaryFile file;
1747     file.setAutoRemove(false);
1748     if (!file.open()) {
1749         return false;
1750     }
1751 
1752     download(eventId, QUrl::fromLocalFile(file.fileName()));
1753     return true;
1754 }
1755 
1756 void NeoChatRoom::download(const QString &eventId, const QUrl &localFilename)
1757 {
1758     downloadFile(eventId, localFilename);
1759 #ifndef Q_OS_ANDROID
1760     auto job = new FileTransferPseudoJob(FileTransferPseudoJob::Download, localFilename.toLocalFile(), eventId);
1761     connect(this, &Room::fileTransferProgress, job, &FileTransferPseudoJob::fileTransferProgress);
1762     connect(this, &Room::fileTransferCompleted, job, &FileTransferPseudoJob::fileTransferCompleted);
1763     connect(this, &Room::fileTransferFailed, job, &FileTransferPseudoJob::fileTransferFailed);
1764     KIO::getJobTracker()->registerJob(job);
1765     job->start();
1766 #endif
1767 }
1768 
1769 void NeoChatRoom::mapAlias(const QString &alias)
1770 {
1771     auto getLocalAliasesJob = connection()->callApi<GetLocalAliasesJob>(id());
1772     connect(getLocalAliasesJob, &BaseJob::success, this, [this, getLocalAliasesJob, alias] {
1773         if (getLocalAliasesJob->aliases().contains(alias)) {
1774             return;
1775         } else {
1776             auto setRoomAliasJob = connection()->callApi<SetRoomAliasJob>(alias, id());
1777             connect(setRoomAliasJob, &BaseJob::success, this, [this, alias] {
1778                 auto newAltAliases = altAliases();
1779                 newAltAliases.append(alias);
1780                 setLocalAliases(newAltAliases);
1781             });
1782         }
1783     });
1784 }
1785 
1786 void NeoChatRoom::unmapAlias(const QString &alias)
1787 {
1788     connection()->callApi<DeleteRoomAliasJob>(alias);
1789 }
1790 
1791 void NeoChatRoom::setCanonicalAlias(const QString &newAlias)
1792 {
1793     QString oldCanonicalAlias = canonicalAlias();
1794     Room::setCanonicalAlias(newAlias);
1795 
1796     connect(this, &Room::namesChanged, this, [this, newAlias, oldCanonicalAlias] {
1797         if (canonicalAlias() == newAlias) {
1798             // If the new canonical alias is already a published alt alias remove it otherwise it will be in both lists.
1799             // The server doesn't prevent this so we need to handle it.
1800             auto newAltAliases = altAliases();
1801             if (!oldCanonicalAlias.isEmpty()) {
1802                 newAltAliases.append(oldCanonicalAlias);
1803             }
1804             if (newAltAliases.contains(newAlias)) {
1805                 newAltAliases.removeAll(newAlias);
1806                 Room::setLocalAliases(newAltAliases);
1807             }
1808         }
1809     });
1810 }
1811 
1812 int NeoChatRoom::maxRoomVersion() const
1813 {
1814     int maxVersion = 0;
1815     for (auto roomVersion : connection()->availableRoomVersions()) {
1816         if (roomVersion.id.toInt() > maxVersion) {
1817             maxVersion = roomVersion.id.toInt();
1818         }
1819     }
1820     return maxVersion;
1821 }
1822 
1823 Quotient::User *NeoChatRoom::directChatRemoteUser() const
1824 {
1825     auto users = connection()->directChatUsers(this);
1826     if (users.isEmpty()) {
1827         return nullptr;
1828     }
1829     return users[0];
1830 }
1831 
1832 void NeoChatRoom::sendLocation(float lat, float lon, const QString &description)
1833 {
1834     QJsonObject locationContent{
1835         {"uri"_ls, "geo:%1,%2"_ls.arg(QString::number(lat), QString::number(lon))},
1836     };
1837 
1838     if (!description.isEmpty()) {
1839         locationContent["description"_ls] = description;
1840     }
1841 
1842     QJsonObject content{
1843         {"body"_ls, i18nc("'Lat' and 'Lon' as in Latitude and Longitude", "Lat: %1, Lon: %2", lat, lon)},
1844         {"msgtype"_ls, "m.location"_ls},
1845         {"geo_uri"_ls, "geo:%1,%2"_ls.arg(QString::number(lat), QString::number(lon))},
1846         {"org.matrix.msc3488.location"_ls, locationContent},
1847         {"org.matrix.msc3488.asset"_ls,
1848          QJsonObject{
1849              {"type"_ls, "m.pin"_ls},
1850          }},
1851         {"org.matrix.msc1767.text"_ls, i18nc("'Lat' and 'Lon' as in Latitude and Longitude", "Lat: %1, Lon: %2", lat, lon)},
1852     };
1853     postJson("m.room.message"_ls, content);
1854 }
1855 
1856 QByteArray NeoChatRoom::roomAcountDataJson(const QString &eventType)
1857 {
1858     return QJsonDocument(accountData(eventType)->fullJson()).toJson();
1859 }
1860 
1861 QUrl NeoChatRoom::avatarForMember(Quotient::User *user) const
1862 {
1863     const auto &url = memberAvatarUrl(user->id());
1864     if (url.isEmpty() || url.scheme() != "mxc"_ls) {
1865         return {};
1866     }
1867     auto avatar = connection()->makeMediaUrl(url);
1868     if (avatar.isValid() && avatar.scheme() == QStringLiteral("mxc")) {
1869         return avatar;
1870     } else {
1871         return QUrl();
1872     }
1873 }
1874 
1875 const RoomEvent *NeoChatRoom::getReplyForEvent(const RoomEvent &event) const
1876 {
1877     const QString &replyEventId = event.contentJson()["m.relates_to"_ls].toObject()["m.in_reply_to"_ls].toObject()["event_id"_ls].toString();
1878     if (replyEventId.isEmpty()) {
1879         return {};
1880     };
1881 
1882     const auto replyIt = findInTimeline(replyEventId);
1883     const RoomEvent *replyPtr = replyIt != historyEdge() ? &**replyIt : nullptr;
1884     if (!replyPtr) {
1885         for (const auto &e : m_extraEvents) {
1886             if (e->id() == replyEventId) {
1887                 replyPtr = e.get();
1888                 break;
1889             }
1890         }
1891     }
1892     return replyPtr;
1893 }
1894 
1895 void NeoChatRoom::loadReply(const QString &eventId, const QString &replyId)
1896 {
1897     auto job = connection()->callApi<GetOneRoomEventJob>(id(), replyId);
1898     connect(job, &BaseJob::success, this, [this, job, eventId, replyId] {
1899         m_extraEvents.push_back(fromJson<event_ptr_tt<RoomEvent>>(job->jsonData()));
1900         Q_EMIT replyLoaded(eventId, replyId);
1901     });
1902 }
1903 
1904 User *NeoChatRoom::invitingUser() const
1905 {
1906     return connection()->user(currentState().get<RoomMemberEvent>(connection()->userId())->senderId());
1907 }
1908 
1909 #include "moc_neochatroom.cpp"