Marcel
GitHub
parent
85f0ffb6bf
commit
a8810ad016
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@ -1934,11 +1934,268 @@ TimelineModel::formatPowerLevelEvent(const QString &id)
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if (!event)
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return QString();
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QString user = QString::fromStdString(event->sender);
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QString name = utils::replaceEmoji(displayName(user));
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mtx::events::StateEvent<mtx::events::state::PowerLevels> *prevEvent = nullptr;
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if (!event->unsigned_data.replaces_state.empty()) {
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auto tempPrevEvent = events.get(event->unsigned_data.replaces_state, event->event_id);
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if (tempPrevEvent) {
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prevEvent =
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std::get_if<mtx::events::StateEvent<mtx::events::state::PowerLevels>>(tempPrevEvent);
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}
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}
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// TODO: power levels rendering is actually a bit complex. work on this later.
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return tr("%1 has changed the room's permissions.").arg(name);
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QString user = QString::fromStdString(event->sender);
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QString sender_name = utils::replaceEmoji(displayName(user));
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// Get the rooms levels for redactions and powerlevel changes to determine "Administrator" and
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// "Moderator" powerlevels.
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auto administrator_power_level = event->content.state_level("m.room.power_levels");
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auto moderator_power_level = event->content.redact;
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auto default_powerlevel = event->content.users_default;
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if (!prevEvent)
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return tr("%1 has changed the room's permissions.").arg(sender_name);
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auto calc_affected = [&event,
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&prevEvent](int64_t newPowerlevelSetting) -> std::pair<QStringList, int> {
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QStringList affected{};
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auto numberOfAffected = 0;
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// We do only compare to people with explicit PL. Usually others are not going to be
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// affected either way and this is cheaper to iterate over.
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for (auto const &[mxid, currentPowerlevel] : event->content.users) {
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if (currentPowerlevel == newPowerlevelSetting &&
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prevEvent->content.user_level(mxid) < newPowerlevelSetting) {
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numberOfAffected++;
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if (numberOfAffected <= 2) {
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affected.push_back(QString::fromStdString(mxid));
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}
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}
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}
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return {affected, numberOfAffected};
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};
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QStringList resultingMessage{};
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// These affect only a few people. Therefor we can print who is affected.
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if (event->content.kick != prevEvent->content.kick) {
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auto default_message = tr("%1 has changed the room's kick powerlevel from %2 to %3.")
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.arg(sender_name)
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.arg(prevEvent->content.kick)
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.arg(event->content.kick);
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// We only calculate affected users if we change to a level above the default users PL
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// to not accidentally have a DoS vector
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if (event->content.kick > default_powerlevel) {
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auto [affected, number_of_affected] = calc_affected(event->content.kick);
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if (number_of_affected != 0) {
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auto true_affected_rest = number_of_affected - affected.size();
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if (number_of_affected > 1) {
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resultingMessage.append(
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default_message + QStringLiteral(" ") +
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tr("%n member(s) can now kick room members.", nullptr, true_affected_rest));
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} else if (number_of_affected == 1) {
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resultingMessage.append(
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default_message + QStringLiteral(" ") +
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tr("%1 can now kick room members.")
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.arg(utils::replaceEmoji(displayName(affected.at(0)))));
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}
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} else {
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resultingMessage.append(default_message);
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}
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} else {
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resultingMessage.append(default_message);
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}
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}
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if (event->content.redact != prevEvent->content.redact) {
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auto default_message = tr("%1 has changed the room's redact powerlevel from %2 to %3.")
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.arg(sender_name)
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.arg(prevEvent->content.redact)
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.arg(event->content.redact);
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// We only calculate affected users if we change to a level above the default users PL
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// to not accidentally have a DoS vector
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if (event->content.redact > default_powerlevel) {
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auto [affected, number_of_affected] = calc_affected(event->content.redact);
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if (number_of_affected != 0) {
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auto true_affected_rest = number_of_affected - affected.size();
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if (number_of_affected > 1) {
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resultingMessage.append(
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default_message + QStringLiteral(" ") +
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tr("%n member(s) can now redact room messages.", nullptr, true_affected_rest));
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} else if (number_of_affected == 1) {
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resultingMessage.append(
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default_message + QStringLiteral(" ") +
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tr("%1 can now redact room messages.")
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.arg(utils::replaceEmoji(displayName(affected.at(0)))));
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}
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} else {
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resultingMessage.append(default_message);
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}
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} else {
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resultingMessage.append(default_message);
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}
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}
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if (event->content.ban != prevEvent->content.ban) {
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auto default_message = tr("%1 has changed the room's ban powerlevel from %2 to %3.")
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.arg(sender_name)
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.arg(prevEvent->content.ban)
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.arg(event->content.ban);
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// We only calculate affected users if we change to a level above the default users PL
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// to not accidentally have a DoS vector
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if (event->content.ban > default_powerlevel) {
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auto [affected, number_of_affected] = calc_affected(event->content.ban);
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if (number_of_affected != 0) {
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auto true_affected_rest = number_of_affected - affected.size();
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if (number_of_affected > 1) {
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resultingMessage.append(
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default_message + QStringLiteral(" ") +
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tr("%n member(s) can now ban room members.", nullptr, true_affected_rest));
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} else if (number_of_affected == 1) {
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resultingMessage.append(
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default_message + QStringLiteral(" ") +
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tr("%1 can now ban room members.")
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.arg(utils::replaceEmoji(displayName(affected.at(0)))));
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}
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} else {
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resultingMessage.append(default_message);
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}
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} else {
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resultingMessage.append(default_message);
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}
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}
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if (event->content.state_default != prevEvent->content.state_default) {
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auto default_message =
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tr("%1 has changed the room's state_default powerlevel from %2 to %3.")
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.arg(sender_name)
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.arg(prevEvent->content.state_default)
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.arg(event->content.state_default);
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// We only calculate affected users if we change to a level above the default users PL
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// to not accidentally have a DoS vector
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if (event->content.state_default > default_powerlevel) {
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auto [affected, number_of_affected] = calc_affected(event->content.kick);
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if (number_of_affected != 0) {
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auto true_affected_rest = number_of_affected - affected.size();
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if (number_of_affected > 1) {
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resultingMessage.append(
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default_message + QStringLiteral(" ") +
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tr("%n member(s) can now send state events.", nullptr, true_affected_rest));
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} else if (number_of_affected == 1) {
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resultingMessage.append(
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default_message + QStringLiteral(" ") +
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tr("%1 can now send state events.")
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.arg(utils::replaceEmoji(displayName(affected.at(0)))));
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}
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} else {
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resultingMessage.append(default_message);
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}
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} else {
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resultingMessage.append(default_message);
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}
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}
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// These affect potentially the whole room. We there for do not calculate who gets affected
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// by this to prevent huge lists of people.
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if (event->content.invite != prevEvent->content.invite) {
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resultingMessage.append(tr("%1 has changed the room's invite powerlevel from %2 to %3.")
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.arg(sender_name,
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QString::number(prevEvent->content.invite),
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QString::number(event->content.invite)));
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}
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if (event->content.events_default != prevEvent->content.events_default) {
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if ((event->content.events_default > default_powerlevel) &&
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prevEvent->content.events_default <= default_powerlevel) {
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resultingMessage.append(
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tr("%1 has changed the room's events_default powerlevel from %2 to %3. New "
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"users can now not send any events.")
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.arg(sender_name,
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QString::number(prevEvent->content.events_default),
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QString::number(event->content.events_default)));
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} else if ((event->content.events_default < prevEvent->content.events_default) &&
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(event->content.events_default < default_powerlevel) &&
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(prevEvent->content.events_default > default_powerlevel)) {
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resultingMessage.append(
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tr("%1 has changed the room's events_default powerlevel from %2 to %3. New "
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"users can now send events that are not otherwise restricted.")
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.arg(sender_name,
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QString::number(prevEvent->content.events_default),
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QString::number(event->content.events_default)));
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} else {
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resultingMessage.append(
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tr("%1 has changed the room's events_default powerlevel from %2 to %3.")
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.arg(sender_name,
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QString::number(prevEvent->content.events_default),
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QString::number(event->content.events_default)));
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}
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}
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// Compare if a Powerlevel of a user changed
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for (auto const &[mxid, powerlevel] : event->content.users) {
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auto nameOfChangedUser = utils::replaceEmoji(displayName(QString::fromStdString(mxid)));
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if (prevEvent->content.user_level(mxid) != powerlevel) {
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if (powerlevel >= administrator_power_level) {
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resultingMessage.append(tr("%1 has made %2 an administrator of this room.")
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.arg(sender_name, nameOfChangedUser));
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} else if (powerlevel >= moderator_power_level &&
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powerlevel > prevEvent->content.user_level(mxid)) {
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resultingMessage.append(tr("%1 has made %2 a moderator of this room.")
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.arg(sender_name, nameOfChangedUser));
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} else if (powerlevel >= moderator_power_level &&
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powerlevel < prevEvent->content.user_level(mxid)) {
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resultingMessage.append(tr("%1 has downgraded %2 to moderator of this room.")
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.arg(sender_name, nameOfChangedUser));
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} else {
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resultingMessage.append(tr("%1 has changed the powerlevel of %2 from %3 to %4.")
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.arg(sender_name,
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nameOfChangedUser,
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QString::number(prevEvent->content.user_level(mxid)),
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QString::number(powerlevel)));
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}
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}
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}
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// Handle added/removed/changed event type
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for (auto const &[event_type, powerlevel] : event->content.events) {
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auto prev_not_present =
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prevEvent->content.events.find(event_type) == prevEvent->content.events.end();
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if (prev_not_present || prevEvent->content.events.at(event_type) != powerlevel) {
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if (powerlevel >= administrator_power_level) {
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resultingMessage.append(tr("%1 allowed only administrators to send \"%2\".")
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.arg(sender_name, QString::fromStdString(event_type)));
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} else if (powerlevel >= moderator_power_level) {
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resultingMessage.append(tr("%1 allowed only moderators to send \"%2\".")
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.arg(sender_name, QString::fromStdString(event_type)));
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} else if (powerlevel == default_powerlevel) {
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resultingMessage.append(tr("%1 allowed everyone to send \"%2\".")
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.arg(sender_name, QString::fromStdString(event_type)));
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} else if (prev_not_present) {
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resultingMessage.append(
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tr("%1 has changed the powerlevel of event type \"%2\" from the default to %3.")
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.arg(sender_name,
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QString::fromStdString(event_type),
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QString::number(powerlevel)));
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} else {
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resultingMessage.append(
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tr("%1 has changed the powerlevel of event type \"%2\" from %3 to %4.")
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.arg(sender_name,
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QString::fromStdString(event_type),
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QString::number(prevEvent->content.events.at(event_type)),
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QString::number(powerlevel)));
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}
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}
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}
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if (!resultingMessage.isEmpty()) {
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return resultingMessage.join("<br/>");
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} else {
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return tr("%1 has changed the room's permissions.").arg(sender_name);
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}
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}
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QVariantMap
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