Monthly data limit about qbittorrent HOT 1 OPEN

void SessionImpl::saveStatistics() const
{
    if (!m_isStatisticsDirty)
        return;

    const QVariantHash stats {
        {u"AlltimeDL"_s, m_status.allTimeDownload},
        {u"AlltimeUL"_s, m_status.allTimeUpload}};
    std::unique_ptr<QSettings> settings = Profile::instance()->applicationSettings(u"qBittorrent-data"_s);
    settings->setValue(u"Stats/AllStats"_s, stats);

    m_statisticsLastUpdateTimer.start();
    m_isStatisticsDirty = false;
}

void SessionImpl::loadStatistics()
{
    const std::unique_ptr<QSettings> settings = Profile::instance()->applicationSettings(u"qBittorrent-data"_s);
    const QVariantHash value = settings->value(u"Stats/AllStats"_s).toHash();

    m_previouslyDownloaded = value[u"AlltimeDL"_s].toLongLong();
    m_previouslyUploaded = value[u"AlltimeUL"_s].toLongLong();
}