private int?ChargingCalculator(ChargingStationRootObject chargingStation, Path path)
{
var stationCapacity = (double?)chargingStation.Connections.Max(x => x.PowerKW); //kW
if (stationCapacity == null)
{
return(null);
}
var maxBattery = (double)path.Car.Capacity * 60 * 60; //kWh -> kW
var currentBattery = GetCurrentBattery(path, "KW");
var batteryDiff = maxBattery - currentBattery;
//Choose the heighest capacity connection
var timeToCharge = (int)Math.Round(batteryDiff / (double)stationCapacity);
return(timeToCharge);
}
private async Task <double?> GetEmissionsOfCharging(ChargingStationRootObject charging, Path path)
{
//https://www.rensmart.com/Calculators/KWH-to-CO2
var country = charging.AddressInfo.Country.Title; //Sweden
var countryEmissions = await _context.CountryEmissions.FirstOrDefaultAsync(y => y.Country.ToUpper() == country.ToUpper()); //g/co2 per kWh
if (countryEmissions == null)
{
return(null);
}
var currentBattery = GetCurrentBattery(path); //kWh
var maxBattery = (double)path.Car.Capacity; //kWh
var batteryDiff = maxBattery - currentBattery; //kWh
var co2 = countryEmissions.KgCo2Kwh; //g/co2
var emissions = batteryDiff * co2; //g co2 to charge
var round = Math.Round(emissions, 6);
return(round);
}