public ShoppingResult Compute()
{
TaxCalculator basicCalculator = BasicFactory.CreateFactory();
TaxCalculator importCalculator = ImportFactory.CreateFactory();
var totalBasicTax = 0.0m;
var totalImportTax = 0.0m;
shoppingResult.TotalWithoutTax = preparedCart.Sum(x => x.Price);
shoppingResult.ItemsBilled = preparedCart;
shoppingResult.TaxDetail = new List <TaxDetail>();
foreach (var item in preparedCart)
{
if (!item.IsExempted())
{
totalBasicTax += basicCalculator.GetTaxAmount(item);
TaxDetail.BasicTaxAmount = basicCalculator.GetTaxAmount(item);
}
else
{
TaxDetail.BasicTaxAmount = 0.0m;
}
if (item.IsImported)
{
totalImportTax += importCalculator.GetTaxAmount(item);
TaxDetail.ImportTaxAmount = importCalculator.GetTaxAmount(item);
}
shoppingResult.TaxDetail.Add(TaxDetail);
}
shoppingResult.TotalImportTax = totalImportTax;
shoppingResult.TotalSalesTax = totalBasicTax;
shoppingResult.TotalTax = totalImportTax + totalBasicTax;
shoppingResult.Total = shoppingResult.TotalWithoutTax + totalImportTax + totalBasicTax;
return(shoppingResult);
}
