public int?GetMaxDieselAnnualFuelCost(out int dieselPencePerlitre)
{
if (!this.HasDieselDerivatives)
{
dieselPencePerlitre = 0;
return(null);
}
ICarDerivative lowestMpgDieselDerivative = (from ICarDerivative der in this.Derivatives
where (der.FuelType == "D" && der.MilesPerGallon > 0)
orderby der.MilesPerGallon
select der).FirstOrDefault() as ICarDerivative;
if (lowestMpgDieselDerivative == null)
{
dieselPencePerlitre = 0;
return(null);
}
double milesPerGallon = Convert.ToDouble(lowestMpgDieselDerivative.MilesPerGallon);
dieselPencePerlitre = Convert.ToInt32(fuelPriceProvider.DieselPrice);
return(this.GetAnnualFuelCost(milesPerGallon, dieselPencePerlitre));
}
/// <summary>
/// Gets the plates by derivative id.
/// </summary>
/// <param name="derivative">The derivative.</param>
/// <param name="section">The section.</param>
/// <returns>List of year plates</returns>
public List <IYearPlate> GetPlatesByDerivative(ICarDerivative derivative, CarValuationSection section)
{
int sectionYearFromPlateId = GetFromYearPlateIdForSection(section);
int sectionYearToPlateId = GetToYearPlateIdForSection(section);
if (derivative.FromYearPlate == null || derivative.ToYearPlate == null)
{
return(null);
}
int plateFrom = derivative.FromYearPlate.Id;
int plateTo = derivative.ToYearPlate.Id;
if (sectionYearFromPlateId > plateFrom)
{
plateFrom = sectionYearFromPlateId;
}
if (sectionYearToPlateId < plateTo)
{
plateTo = sectionYearToPlateId;
}
return(yearPlateProvider.GetRange(plateFrom, plateTo));
}
public int?GetMaxUnleadedAnnualFuelCost(out int unleadedPencePerLitre)
{
ICarDerivative lowestMpgUnleadedDerivative = (from ICarDerivative der in this.Derivatives
where (der.FuelType == "P" && der.MilesPerGallon > 0)
orderby der.MilesPerGallon
select der).FirstOrDefault() as ICarDerivative;
if (lowestMpgUnleadedDerivative == null)
{
unleadedPencePerLitre = 0;
return(null);
}
double milesPerGallon = Convert.ToDouble(lowestMpgUnleadedDerivative.MilesPerGallon);
unleadedPencePerLitre = Convert.ToInt32(fuelPriceProvider.PetrolPrice);
return(this.GetAnnualFuelCost(milesPerGallon, unleadedPencePerLitre));
}