public static CarConfiguration WithoutOptionalEquipment(this CarConfiguration carConfiguration, OptionalEquipment optionalEquipment)
{
return(new CarConfiguration(
carConfiguration.ExteriorColor,
carConfiguration.AlloyWheels,
carConfiguration.Upholstery,
carConfiguration.InteriorTrims,
carConfiguration.OptionalEquipment.Where(o => o != optionalEquipment)));
}
private static CarConfiguration With(
this CarConfiguration carConfiguration,
ExteriorColor?exteriorColor = null,
AlloyWheels?alloyWheels = null,
Upholstery?upholstery = null,
InteriorTrims?interiorTrims = null,
IEnumerable <OptionalEquipment> optionalEquipment = null)
{
return(new CarConfiguration(
exteriorColor ?? carConfiguration.ExteriorColor,
alloyWheels ?? carConfiguration.AlloyWheels,
upholstery ?? carConfiguration.Upholstery,
interiorTrims ?? carConfiguration.InteriorTrims,
carConfiguration.OptionalEquipment.Concat(optionalEquipment ?? Enumerable.Empty <OptionalEquipment>()).Distinct()
));
}
public static CarConfiguration WithProfessionalNavigationSystems(this CarConfiguration carConfiguration) => carConfiguration.WithOptionalEquipment(OptionalEquipment.Navigation_system_professional);
public static CarConfiguration WithExteriorColor(this CarConfiguration carConfiguration, ExteriorColor exteriorColor)
{
return(carConfiguration.With(exteriorColor));
}
public static CarConfiguration WithAutomaticAirConditioning(this CarConfiguration carConfiguration) => carConfiguration.WithOptionalEquipment(OptionalEquipment.Automatic_air_conditioning);
public static CarConfiguration WithAlloyWheels(this CarConfiguration carConfiguration, AlloyWheels alloyWheels)
{
return(carConfiguration.With(alloyWheels: alloyWheels));
}
public static CarConfiguration WithUpholstery(this CarConfiguration carConfiguration, Upholstery upholstery)
{
return(carConfiguration.With(upholstery: upholstery));
}
public static CarConfiguration WithPackage(this CarConfiguration carConfiguration, OptionalEquipment[] package)
{
return(carConfiguration.WithOptionalEquipment(package));
}
public static CarConfiguration WithOptionalEquipment(this CarConfiguration carConfiguration, params OptionalEquipment[] optionalEquipment)
{
return(carConfiguration.With(optionalEquipment: optionalEquipment));
}
public static CarConfiguration WithInteriorTrims(this CarConfiguration carConfiguration, InteriorTrims interiorTrims)
{
return(carConfiguration.With(interiorTrims: interiorTrims));
}