Method onServerReply

app/src/Licensing/Trial.cpp:244–311

* @brief Handles the server response for trial activation; the returned expiry * is clamped to a 14-day cap before the trial state and capability token are * derived from it. */

 * derived from it.
 */
void Licensing::Trial::onServerReply(QNetworkReply* reply)
{
  m_busy = false;
  Q_EMIT busyChanged();

  if (reply->error() != QNetworkReply::NoError) {
    Misc::Utilities::showMessageBox(QObject::tr("Network error"),
                                    reply->errorString(),
                                    QMessageBox::Critical,
                                    QObject::tr("Trial Activation Error"));
    reply->deleteLater();
    Q_EMIT enabledChanged();
    return;
  }

  const QByteArray data = reply->readAll();
  reply->deleteLater();

  QJsonParseError parseError;
  const QJsonDocument document = QJsonDocument::fromJson(data, &parseError);
  if (parseError.error != QJsonParseError::NoError || !document.isObject()) {
    Misc::Utilities::showMessageBox(
      QObject::tr("Invalid server response"),
      QObject::tr("The server returned malformed data: %1").arg(parseError.errorString()),
      QMessageBox::Warning,
      QObject::tr("Trial Activation Error"));
    Q_EMIT enabledChanged();
    return;
  }

  m_trialEnabled     = false;
  m_deviceRegistered = false;
  m_trialExpiry      = QDateTime::currentDateTimeUtc();

  const QJsonObject object    = document.object();
  const auto expiryVal        = object.value("expireAt");
  const auto enabledVal       = object.value("trialEnabled");
  const auto deviceRegistered = object.value("registered");

  if (expiryVal.isString() && enabledVal.isBool() && deviceRegistered.isBool()) {
    const QString expiryStr = expiryVal.toString();
    QDateTime expiry        = QDateTime::fromString(expiryStr, Qt::ISODate).toUTC();
    if (expiry.isValid()) {
      const QDateTime now = QDateTime::currentDateTimeUtc();
      if (expiry > now.addDays(14))
        expiry = now.addDays(14);

      m_trialExpiry      = expiry;
      m_trialEnabled     = enabledVal.toBool() && (expiry > now);
      m_deviceRegistered = deviceRegistered.toBool();
    }
  }

  else {
    Misc::Utilities::showMessageBox(QObject::tr("Unexpected server response"),
                                    QObject::tr("The server response is missing required fields."),
                                    QMessageBox::Warning,
                                    QObject::tr("Trial Activation Error"));