File indexing completed on 2024-05-12 16:25:06

 // SPDX-FileCopyrightText: 2022 James Graham <james.h.graham@protonmail.com>
 // SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 
 #include "pushrulemodel.h"
 
 #include <QDebug>
 
 #include <Quotient/connection.h>
 #include <Quotient/converters.h>
 #include <Quotient/csapi/definitions/push_ruleset.h>
 #include <Quotient/csapi/pushrules.h>
 #include <Quotient/jobs/basejob.h>
 
 #include "controller.h"
 #include "neochatconfig.h"
 
 // Alternate name text for default rules.
 static const QHash<QString, QString> defaultRuleNames = {
     {QStringLiteral(".m.rule.master"), QStringLiteral("Enable notifications for this account")},
     {QStringLiteral(".m.rule.room_one_to_one"), QStringLiteral("Messages in one-to-one chats")},
     {QStringLiteral(".m.rule.encrypted_room_one_to_one"), QStringLiteral("Encrypted messages in one-to-one chats")},
     {QStringLiteral(".m.rule.message"), QStringLiteral("Messages in group chats")},
     {QStringLiteral(".m.rule.encrypted"), QStringLiteral("Messages in encrypted group chats")},
     {QStringLiteral(".m.rule.tombstone"), QStringLiteral("Room upgrade messages")},
     {QStringLiteral(".m.rule.contains_display_name"), QStringLiteral("Messages containing my display name")},
     {QStringLiteral(".m.rule.roomnotif"), QStringLiteral("Whole room (@room) notifications")},
     {QStringLiteral(".m.rule.invite_for_me"), QStringLiteral("Invites to a room")},
     {QStringLiteral(".m.rule.call"), QStringLiteral("Call invitation")},
 };
 
 // Sections for default rules.
 static const QHash<QString, PushNotificationSection::Section> defaultSections = {
     {QStringLiteral(".m.rule.master"), PushNotificationSection::Master},
     {QStringLiteral(".m.rule.room_one_to_one"), PushNotificationSection::Room},
     {QStringLiteral(".m.rule.encrypted_room_one_to_one"), PushNotificationSection::Room},
     {QStringLiteral(".m.rule.message"), PushNotificationSection::Room},
     {QStringLiteral(".m.rule.encrypted"), PushNotificationSection::Room},
     {QStringLiteral(".m.rule.tombstone"), PushNotificationSection::Room},
     {QStringLiteral(".m.rule.contains_display_name"), PushNotificationSection::Mentions},
     {QStringLiteral(".m.rule.roomnotif"), PushNotificationSection::Mentions},
     {QStringLiteral(".m.rule.invite_for_me"), PushNotificationSection::Invites},
     {QStringLiteral(".m.rule.call"), PushNotificationSection::Undefined}, // TODO: make invites when VOIP added.
     {QStringLiteral(".m.rule.suppress_notices"), PushNotificationSection::Undefined},
     {QStringLiteral(".m.rule.member_event"), PushNotificationSection::Undefined},
     {QStringLiteral(".m.rule.reaction"), PushNotificationSection::Undefined},
     {QStringLiteral(".m.rule.room.server_acl"), PushNotificationSection::Undefined},
     {QStringLiteral(".im.vector.jitsi"), PushNotificationSection::Undefined},
 };
 
 // Default rules that don't have a highlight option as it would lead to all messages
 // in a room being highlighted.
 static const QStringList noHighlight = {
     QStringLiteral(".m.rule.room_one_to_one"),
     QStringLiteral(".m.rule.encrypted_room_one_to_one"),
     QStringLiteral(".m.rule.message"),
     QStringLiteral(".m.rule.encrypted"),
 };
 
 PushRuleModel::PushRuleModel(QObject *parent)
     : QAbstractListModel(parent)
 {
     m_defaultKeywordAction = static_cast<PushNotificationAction::Action>(NeoChatConfig::self()->keywordPushRuleDefault());
 
     if (Controller::instance().activeConnection()) {
         controllerConnectionChanged();
     }
     connect(&Controller::instance(), &Controller::activeConnectionChanged, this, &PushRuleModel::controllerConnectionChanged);
 }
 
 void PushRuleModel::controllerConnectionChanged()
 {
     connect(Controller::instance().activeConnection(), &Quotient::Connection::accountDataChanged, this, &PushRuleModel::updateNotificationRules);
     updateNotificationRules("m.push_rules");
 }
 
 void PushRuleModel::updateNotificationRules(const QString &type)
 {
     if (type != "m.push_rules") {
         return;
     }
 
     const QJsonObject ruleDataJson = Controller::instance().activeConnection()->accountDataJson("m.push_rules");
     const Quotient::PushRuleset ruleData = Quotient::fromJson<Quotient::PushRuleset>(ruleDataJson["global"].toObject());
 
     beginResetModel();
     m_rules.clear();
 
     // Doing this 5 times because PushRuleset is a struct.
     setRules(ruleData.override, PushNotificationKind::Override);
     setRules(ruleData.content, PushNotificationKind::Content);
     setRules(ruleData.room, PushNotificationKind::Room);
     setRules(ruleData.sender, PushNotificationKind::Sender);
     setRules(ruleData.underride, PushNotificationKind::Underride);
 
     Q_EMIT globalNotificationsEnabledChanged();
     Q_EMIT globalNotificationsSetChanged();
 
     endResetModel();
 }
 
 void PushRuleModel::setRules(QVector<Quotient::PushRule> rules, PushNotificationKind::Kind kind)
 {
     for (const auto &rule : rules) {
         QString roomId;
         if (rule.conditions.size() > 0) {
             for (const auto &condition : rule.conditions) {
                 if (condition.key == QStringLiteral("room_id")) {
                     roomId = condition.pattern;
                 }
             }
         }
 
         m_rules.append(Rule{
             rule.ruleId,
             kind,
             variantToAction(rule.actions, rule.enabled),
             getSection(rule),
             rule.enabled,
             roomId,
         });
     }
 }
 
 int PushRuleModel::getRuleIndex(const QString &ruleId) const
 {
     for (auto i = 0; i < m_rules.count(); i++) {
         if (m_rules[i].id == ruleId) {
             return i;
         }
     }
     return -1;
 }
 
 PushNotificationSection::Section PushRuleModel::getSection(Quotient::PushRule rule)
 {
     auto ruleId = rule.ruleId;
 
     if (defaultSections.contains(ruleId)) {
         return defaultSections.value(ruleId);
     } else {
         /**
          * If the rule name resolves to a matrix id for a room that the user is part
          * of it shouldn't appear in the global list as it's overriding the global
          * state for that room.
          *
          * Rooms that the user hasn't joined shouldn't have a rule.
          */
         auto connection = Controller::instance().activeConnection();
         if (connection->room(ruleId) != nullptr) {
             return PushNotificationSection::Undefined;
         }
         /**
          * If the rule name resolves to a matrix id for a user  it shouldn't appear
          * in the global list as it's a rule to block notifications from a user and
          * is handled elsewhere.
          */
         auto testUserId = ruleId;
         // Rules for user matrix IDs often don't have the @ on the beginning so add
         // if not there to avoid malformed ID.
         if (!testUserId.startsWith(u'@')) {
             testUserId.prepend(u'@');
         }
         if (connection->user(testUserId) != nullptr) {
             return PushNotificationSection::Undefined;
         }
         // If the rule has push conditions and one is a room ID it is a room only keyword.
         if (!rule.conditions.isEmpty()) {
             for (auto condition : rule.conditions) {
                 if (condition.key == QStringLiteral("room_id")) {
                     return PushNotificationSection::RoomKeywords;
                 }
             }
         }
         return PushNotificationSection::Keywords;
     }
 }
 
 PushNotificationAction::Action PushRuleModel::defaultState() const
 {
     return m_defaultKeywordAction;
 }
 
 void PushRuleModel::setDefaultState(PushNotificationAction::Action defaultState)
 {
     if (defaultState == m_defaultKeywordAction) {
         return;
     }
     m_defaultKeywordAction = defaultState;
     NeoChatConfig::setKeywordPushRuleDefault(m_defaultKeywordAction);
     Q_EMIT defaultStateChanged();
 }
 
 bool PushRuleModel::globalNotificationsEnabled() const
 {
     auto masterIndex = getRuleIndex(QStringLiteral(".m.rule.master"));
     if (masterIndex > -1) {
         return !m_rules[masterIndex].enabled;
     }
     return false;
 }
 
 void PushRuleModel::setGlobalNotificationsEnabled(bool enabled)
 {
     setNotificationRuleEnabled("override", ".m.rule.master", !enabled);
 }
 
 bool PushRuleModel::globalNotificationsSet() const
 {
     return getRuleIndex(QStringLiteral(".m.rule.master")) > -1;
 }
 
 QVariant PushRuleModel::data(const QModelIndex &index, int role) const
 {
     if (!index.isValid()) {
         return {};
     }
 
     if (index.row() >= rowCount()) {
         qDebug() << "PushRuleModel, something's wrong: index.row() >= m_rules.count()";
         return {};
     }
 
     if (role == NameRole) {
         auto ruleId = m_rules.at(index.row()).id;
         if (defaultRuleNames.contains(ruleId)) {
             return defaultRuleNames.value(ruleId);
         } else {
             return ruleId;
         }
     }
     if (role == IdRole) {
         return m_rules.at(index.row()).id;
     }
     if (role == KindRole) {
         return m_rules.at(index.row()).kind;
     }
     if (role == ActionRole) {
         return m_rules.at(index.row()).action;
     }
     if (role == HighlightableRole) {
         return !noHighlight.contains(m_rules.at(index.row()).id);
     }
     if (role == DeletableRole) {
         return !m_rules.at(index.row()).id.startsWith(QStringLiteral("."));
     }
     if (role == SectionRole) {
         return m_rules.at(index.row()).section;
     }
     if (role == RoomIdRole) {
         return m_rules.at(index.row()).roomId;
     }
 
     return {};
 }
 
 int PushRuleModel::rowCount(const QModelIndex &parent) const
 {
     Q_UNUSED(parent)
 
     return m_rules.count();
 }
 
 QHash<int, QByteArray> PushRuleModel::roleNames() const
 {
     QHash<int, QByteArray> roles = QAbstractItemModel::roleNames();
     roles[NameRole] = "name";
     roles[IdRole] = "id";
     roles[KindRole] = "kind";
     roles[ActionRole] = "ruleAction";
     roles[HighlightableRole] = "highlightable";
     roles[DeletableRole] = "deletable";
     roles[SectionRole] = "section";
     roles[RoomIdRole] = "roomId";
     return roles;
 }
 
 void PushRuleModel::setPushRuleAction(const QString &id, PushNotificationAction::Action action)
 {
     int index = getRuleIndex(id);
     if (index == -1) {
         return;
     }
 
     auto rule = m_rules[index];
 
     // Override rules need to be disabled when off so that other rules can match the message if they apply.
     if (action == PushNotificationAction::Off && rule.kind == PushNotificationKind::Override) {
         setNotificationRuleEnabled(PushNotificationKind::kindString(rule.kind), rule.id, false);
     } else if (rule.kind == PushNotificationKind::Override) {
         setNotificationRuleEnabled(PushNotificationKind::kindString(rule.kind), rule.id, true);
     }
 
     setNotificationRuleActions(PushNotificationKind::kindString(rule.kind), rule.id, action);
 }
 
 void PushRuleModel::addKeyword(const QString &keyword, const QString &roomId)
 {
     PushNotificationKind::Kind kind = PushNotificationKind::Content;
     const QVector<QVariant> actions = actionToVariant(m_defaultKeywordAction);
     QVector<Quotient::PushCondition> pushConditions;
     if (!roomId.isEmpty()) {
         kind = PushNotificationKind::Override;
 
         Quotient::PushCondition roomCondition;
         roomCondition.kind = "event_match";
         roomCondition.key = "room_id";
         roomCondition.pattern = roomId;
         pushConditions.append(roomCondition);
 
         Quotient::PushCondition keywordCondition;
         keywordCondition.kind = "event_match";
         keywordCondition.key = "content.body";
         keywordCondition.pattern = keyword;
         pushConditions.append(keywordCondition);
     }
 
     auto job = Controller::instance().activeConnection()->callApi<Quotient::SetPushRuleJob>("global",
                                                                                             PushNotificationKind::kindString(kind),
                                                                                             keyword,
                                                                                             actions,
                                                                                             QLatin1String(""),
                                                                                             QLatin1String(""),
                                                                                             pushConditions,
                                                                                             roomId.isEmpty() ? keyword : QLatin1String(""));
     connect(job, &Quotient::BaseJob::failure, this, [job, keyword]() {
         qWarning() << QLatin1String("Unable to set push rule for keyword %1: ").arg(keyword) << job->errorString();
     });
 }
 
 /**
  * The rule never being removed from the list by this function is intentional. When
  * the server is updated the new push rule account data will be synced and it will
  * be removed when the model is updated then.
  */
 void PushRuleModel::removeKeyword(const QString &keyword)
 {
     int index = getRuleIndex(keyword);
     if (index == -1) {
         return;
     }
 
     auto kind = PushNotificationKind::kindString(m_rules[index].kind);
     auto job = Controller::instance().activeConnection()->callApi<Quotient::DeletePushRuleJob>("global", kind, m_rules[index].id);
     connect(job, &Quotient::BaseJob::failure, this, [this, job, index]() {
         qWarning() << QLatin1String("Unable to remove push rule for keyword %1: ").arg(m_rules[index].id) << job->errorString();
     });
 }
 
 void PushRuleModel::setNotificationRuleEnabled(const QString &kind, const QString &ruleId, bool enabled)
 {
     auto job = Controller::instance().activeConnection()->callApi<Quotient::IsPushRuleEnabledJob>("global", kind, ruleId);
     connect(job, &Quotient::BaseJob::success, this, [job, kind, ruleId, enabled]() {
         if (job->enabled() != enabled) {
             Controller::instance().activeConnection()->callApi<Quotient::SetPushRuleEnabledJob>("global", kind, ruleId, enabled);
         }
     });
 }
 
 void PushRuleModel::setNotificationRuleActions(const QString &kind, const QString &ruleId, PushNotificationAction::Action action)
 {
     QVector<QVariant> actions;
     if (ruleId == ".m.rule.call") {
         actions = actionToVariant(action, "ring");
     } else {
         actions = actionToVariant(action);
     }
 
     Controller::instance().activeConnection()->callApi<Quotient::SetPushRuleActionsJob>("global", kind, ruleId, actions);
 }
 
 PushNotificationAction::Action PushRuleModel::variantToAction(const QVector<QVariant> &actions, bool enabled)
 {
     bool notify = false;
     bool isNoisy = false;
     bool highlightEnabled = false;
     for (const auto &i : actions) {
         auto actionString = i.toString();
         if (!actionString.isEmpty()) {
             if (actionString == QLatin1String("notify")) {
                 notify = true;
             }
             continue;
         }
 
         QJsonObject action = i.toJsonObject();
         if (action["set_tweak"].toString() == "sound") {
             isNoisy = true;
         } else if (action["set_tweak"].toString() == "highlight") {
             if (action["value"].toString() != "false") {
                 highlightEnabled = true;
             }
         }
     }
 
     if (!enabled) {
         return PushNotificationAction::Off;
     }
 
     if (notify) {
         if (isNoisy && highlightEnabled) {
             return PushNotificationAction::NoisyHighlight;
         } else if (isNoisy) {
             return PushNotificationAction::Noisy;
         } else if (highlightEnabled) {
             return PushNotificationAction::Highlight;
         } else {
             return PushNotificationAction::On;
         }
     } else {
         return PushNotificationAction::Off;
     }
 }
 
 QVector<QVariant> PushRuleModel::actionToVariant(PushNotificationAction::Action action, const QString &sound)
 {
     // The caller should never try to set the state to unknown.
     // It exists only as a default state to diable the settings options until the actual state is retrieved from the server.
     if (action == PushNotificationAction::Unknown) {
         Q_ASSERT(false);
         return QVector<QVariant>();
     }
 
     QVector<QVariant> actions;
 
     if (action != PushNotificationAction::Off) {
         actions.append("notify");
     } else {
         actions.append("dont_notify");
     }
     if (action == PushNotificationAction::Noisy || action == PushNotificationAction::NoisyHighlight) {
         QJsonObject soundTweak;
         soundTweak.insert("set_tweak", "sound");
         soundTweak.insert("value", sound);
         actions.append(soundTweak);
     }
     if (action == PushNotificationAction::Highlight || action == PushNotificationAction::NoisyHighlight) {
         QJsonObject highlightTweak;
         highlightTweak.insert("set_tweak", "highlight");
         actions.append(highlightTweak);
     }
 
     return actions;
 }
 
 #include "moc_pushrulemodel.cpp"