Method setDeviceIndex

app/src/API/Handlers/USBHandler.cpp:98–124

* @brief Select USB device by list index. */

 * @brief Select USB device by list index.
 */
API::CommandResponse API::Handlers::USBHandler::setDeviceIndex(const QString& id,
                                                               const QJsonObject& params)
{
  if (!params.contains(QStringLiteral("deviceIndex"))) {
    return CommandResponse::makeError(
      id, ErrorCode::MissingParam, QStringLiteral("Missing required parameter: deviceIndex"));
  }

  const int device_index = params.value(QStringLiteral("deviceIndex")).toInt();
  const auto& devices    = IO::ConnectionManager::instance().usb()->deviceList();

  if (device_index < 0 || device_index >= devices.count()) {
    return CommandResponse::makeError(
      id,
      ErrorCode::InvalidParam,
      QString(QStringLiteral("Invalid deviceIndex: %1. Valid range: 0-%2"))
        .arg(device_index)
        .arg(devices.count() - 1));
  }

  IO::ConnectionManager::instance().usb()->setDeviceIndex(device_index);

  QJsonObject result;
  result[QStringLiteral("deviceIndex")] = device_index;
  result[QStringLiteral("deviceName")]  = devices.at(device_index);
  return CommandResponse::makeSuccess(id, result);
}

/**
 * @brief Set USB transfer mode.