private Money?ConvertAmount(decimal?amount, CalculatorContext context, TaxRate taxRate, bool isFinalPrice, out Tax?tax)
{
tax = null;
if (amount == null)
{
return(null);
}
var options = context.Options;
// A product price cannot be less than zero.
if (amount < 0)
{
amount = 0;
}
if (amount != 0)
{
tax = options.IsGrossPrice
? _taxCalculator.CalculateTaxFromGross(amount.Value, taxRate, options.TaxInclusive, options.RoundingCurrency)
: _taxCalculator.CalculateTaxFromNet(amount.Value, taxRate, options.TaxInclusive, options.RoundingCurrency);
amount = tax.Value.Price;
}
var money = _currencyService.ConvertFromPrimaryCurrency(amount.Value, options.TargetCurrency);
if (amount != 0 && options.TaxFormat != null)
{
money = money.WithPostFormat(options.TaxFormat);
}
if (isFinalPrice && context.HasPriceRange)
{
var finalPricePostFormat = money.PostFormat;
finalPricePostFormat = finalPricePostFormat == null
? options.PriceRangeFormat
: string.Format(options.PriceRangeFormat, finalPricePostFormat);
if (money.PostFormat != finalPricePostFormat)
{
money = money.WithPostFormat(finalPricePostFormat);
}
}
return(money);
}
