public static decimal ConvertToTarget(ShipmentQuantityUnits source, ShipmentQuantityUnits target, decimal value, bool throwOnLossOfPrecision = true)
{
if (source == target)
{
return(value);
}
if (ShipmentQuantityUnitsMetadata.IsWeightUnit(source) && ShipmentQuantityUnitsMetadata.IsVolumeUnit(target))
{
ThrowOnInvalidConversion(source, target);
}
if (ShipmentQuantityUnitsMetadata.IsVolumeUnit(source) && ShipmentQuantityUnitsMetadata.IsWeightUnit(target))
{
ThrowOnInvalidConversion(source, target);
}
if (source == ShipmentQuantityUnits.Tonnes && target == ShipmentQuantityUnits.Kilograms)
{
return(TonnesToKilograms(value));
}
if (source == ShipmentQuantityUnits.CubicMetres && target == ShipmentQuantityUnits.Litres)
{
return(CubicMetersToLitres(value));
}
if (source == ShipmentQuantityUnits.Kilograms && target == ShipmentQuantityUnits.Tonnes)
{
var convertedValue = KilogramsToTonnes(value);
if (WouldLosePrecision(convertedValue, throwOnLossOfPrecision))
{
ThrowOnPrecisionLoss(source, target, value);
}
return(convertedValue);
}
if (source == ShipmentQuantityUnits.Litres && target == ShipmentQuantityUnits.CubicMetres)
{
var convertedValue = LitresToCubicMeters(value);
if (WouldLosePrecision(convertedValue, throwOnLossOfPrecision))
{
ThrowOnPrecisionLoss(source, target, value);
}
return(convertedValue);
}
ThrowOnInvalidConversion(source, target);
throw new InvalidOperationException();
}
private decimal?GetActualCubicMetres(Shipment source)
{
if (!source.Units.HasValue ||
!source.QuantityReceived.HasValue ||
ShipmentQuantityUnitsMetadata.IsWeightUnit(source.Units.Value))
{
return(null);
}
return(ShipmentQuantityUnitConverter.ConvertToTarget(source.Units.Value,
ShipmentQuantityUnits.CubicMetres,
source.QuantityReceived.Value,
false));
}
private decimal?GetIntendedCubicMetres(Shipment source)
{
if (!source.TotalQuantityUnitsId.HasValue ||
!source.TotalQuantity.HasValue ||
ShipmentQuantityUnitsMetadata.IsWeightUnit(source.TotalQuantityUnitsId.Value))
{
return(null);
}
return(ShipmentQuantityUnitConverter.ConvertToTarget(source.TotalQuantityUnitsId.Value,
ShipmentQuantityUnits.CubicMetres,
source.TotalQuantity.Value,
false));
}