Method setInterfaceIndex

app/src/API/Handlers/CANBusHandler.cpp:141–168

* @brief Select CAN interface by index */

 * @brief Select CAN interface by index
 */
API::CommandResponse API::Handlers::CANBusHandler::setInterfaceIndex(const QString& id,
                                                                     const QJsonObject& params)
{
  if (!params.contains(QStringLiteral("interfaceIndex"))) {
    return CommandResponse::makeError(
      id, ErrorCode::MissingParam, QStringLiteral("Missing required parameter: interfaceIndex"));
  }

  const int interfaceIndex  = params.value(QStringLiteral("interfaceIndex")).toInt();
  auto* canbus              = IO::ConnectionManager::instance().canBus();
  const auto& interfaceList = canbus->interfaceList();

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

  canbus->setInterfaceIndex(static_cast<quint8>(interfaceIndex));

  QJsonObject result;
  result[QStringLiteral("interfaceIndex")] = interfaceIndex;
  result[QStringLiteral("interfaceName")]  = interfaceList.at(interfaceIndex);
  return CommandResponse::makeSuccess(id, result);
}

/**
 * @brief Set CAN bitrate