public void UpdateSession(SocketMeasurement newMeasurement, Tariff newTariff)
{
if (newMeasurement == null)
{
return;
}
// as long as the car is not connected, there is no session
if (!_isConnected && !newMeasurement.VehicleConnected && newMeasurement.Mode3State == Mode3State.A)
{
ChargeSessionInfo = DefaultSessionInfo();
}
// start session as soon as the car is connected
if (!_isConnected && newMeasurement.VehicleConnected)
{
_isConnected = true;
_meterReadingStart = newMeasurement.RealEnergyDeliveredSum;
ChargeSessionInfo = DefaultSessionInfo();
ChargeSessionInfo.Start = DateTimeProvider.Now;
// reset cost calculation
_cost = 0.0d;
_currentTariff = newTariff;
_meterReadingStartTariff = newMeasurement.RealEnergyDeliveredSum;
}
if (_isConnected)
{
ChargeSessionInfo.EnergyDelivered = newMeasurement.RealEnergyDeliveredSum - _meterReadingStart;
}
// stop session as soon as the car is no longer connected
if (_isConnected && !newMeasurement.VehicleConnected)
{
_isConnected = false;
ChargeSessionInfo.End = DateTimeProvider.Now;
ChargeSessionInfo.SessionEnded = true;
}
// we are charging and the tariff did change
// calculate the costs for the usage in for the last tariff
if (_isCharging && _currentTariff != null)
{
if (_currentTariff.TariffUsage != newTariff.TariffUsage)
{
_cost += (newMeasurement.RealEnergyDeliveredSum - _meterReadingStartTariff) * _currentTariff.TariffUsage;
ChargeSessionInfo.Cost = _cost;
_meterReadingStartTariff = newMeasurement.RealEnergyDeliveredSum;
_currentTariff = newTariff;
}
else
{
ChargeSessionInfo.Cost = _cost + ((newMeasurement.RealEnergyDeliveredSum - _meterReadingStartTariff) * _currentTariff.TariffUsage);
}
}
// the car is started to charge; track start time, tariff
if (newMeasurement.VehicleIsCharging && !_isCharging)
{
_chargingStart = DateTimeProvider.Now;
_currentTariff = newTariff;
_meterReadingStartTariff = newMeasurement.RealEnergyDeliveredSum;
}
// the car has stopped charging; record the time
if (!newMeasurement.VehicleIsCharging && _isCharging)
{
ChargeSessionInfo.ChargingTime += (uint)(DateTimeProvider.Now - _chargingStart).TotalSeconds;
if (_currentTariff != null)
{
_cost += (newMeasurement.RealEnergyDeliveredSum - _meterReadingStartTariff) * _currentTariff.TariffUsage;
}
ChargeSessionInfo.Cost = _cost;
}
_isCharging = newMeasurement.VehicleIsCharging;
}
public ChargingSession()
{
ChargeSessionInfo = DefaultSessionInfo();
}
