/// <summary>
/// Returns product total tax in site main currency.
/// </summary>
/// <param name="skuPrice">SKU price</param>
/// <param name="skuId">SKU ID</param>
/// <param name="stateId">Customer billing address state ID</param>
/// <param name="countryId">Customer billing addres country ID</param>
/// <param name="isTaxIDSupplied">Indicates if customer tax registration ID is supplied</param>
private static double GetSKUTotalTax(double skuPrice, int skuId, int stateId, int countryId, bool isTaxIDSupplied)
{
double totalTax = 0;
int cacheMinutes = 0;
// Try to get data from cache
using (CachedSection <double> cs = new CachedSection <double>(ref totalTax, cacheMinutes, true, null, "skutotaltax|", skuId, skuPrice, stateId, countryId, isTaxIDSupplied))
{
if (cs.LoadData)
{
// Get all the taxes and their values which are applied to the specified product
DataSet ds = TaxClassInfoProvider.GetTaxes(skuId, countryId, stateId, null);
if (!DataHelper.DataSourceIsEmpty(ds))
{
foreach (DataRow dr in ds.Tables[0].Rows)
{
bool zeroTax = ValidationHelper.GetBoolean(dr["TaxClassZeroIfIDSupplied"], false);
if (!(isTaxIDSupplied && zeroTax))
{
double taxValue = ValidationHelper.GetDouble(dr["TaxValue"], 0);
bool isFlat = ValidationHelper.GetBoolean(dr["TaxIsFlat"], false);
// Add tax value
totalTax += TaxClassInfoProvider.GetTaxValue(skuPrice, taxValue, isFlat);
}
}
}
// Cache the data
cs.Data = totalTax;
}
}
return(totalTax);
}
