public decimal GetFactorValue(Guid factorId, DateTime calculationDate)
{
var factorValue = Context.FactorValue(calculationDate, factorId);
if (factorValue == null)
{
var message = string.Format(Resources.FactorValueNotFound, factorId, calculationDate);
throw new NullReferenceException(message);
}
return(factorValue.Value);
}
public CalculationResult CalculateEmission(DateTime effectiveDate, decimal distance, ServiceType serviceType,
decimal chargeMass, bool reversal)
{
var distanceType = GetDistanceType(distance, serviceType);
var factorId = FactorMapping[distanceType];
var factorValue = context.FactorValue(effectiveDate, factorId);
if (factorValue == null)
{
var message = string.Format(Resources.FactorValueNotFound, factorId, effectiveDate);
throw new NullReferenceException(message);
}
var emissions = distance * (chargeMass / 1000) * factorValue;
if (reversal)
{
emissions = emissions * -1;
}
var calculationDate = context.CalculationDateForFactorId(factorId);
return(new CalculationResult
{
CalculationDate = calculationDate,
ActivityGroupId = ActivityMapping[distanceType],
Emissions = emissions
});
}