/// <summary>
/// Calculate tax according the region in the deliveryAddress argument.
/// </summary>
/// <param name="portalID">ID of the portal</param>
/// <param name="cartItems">List of ICartItemInfo that need to have taxes calculated on.</param>
/// <param name="shippingInfo">ShippingInfo in the case that taxes need to be applied to shipping</param>
/// <param name="deliveryAddress">The address that the taxes should be applied for.</param>
/// <returns>ITaxInfo with the total amount of tax due for the cart items shipping cost.</returns>
public ITaxInfo CalculateSalesTax <T>(int portalID, IEnumerable <T> cartItems, IShippingInfo shippingInfo, IAddressInfo deliveryAddress) where T : ICartItemInfo
{
TaxInfo taxInfo = GetTaxRates(portalID);
if (taxInfo != null && taxInfo.ShowTax)
{
decimal taxRate = (taxInfo.DefaultTaxRate / 100);
// Compute Shipping Tax if needed
taxInfo.ShippingTax = shippingInfo.ApplyTaxRate ? shippingInfo.Cost * taxRate : 0M;
// Compute Sales Tax
decimal cartTotal = 0M;
foreach (T itemInfo in cartItems)
{
cartTotal += (itemInfo.SubTotal - itemInfo.Discount) * taxRate;
}
taxInfo.SalesTax = cartTotal + taxInfo.ShippingTax;
}
else
{
if (taxInfo == null)
{
taxInfo = new TaxInfo();
}
taxInfo.ShowTax = false;
taxInfo.DefaultTaxRate = 0M;
taxInfo.SalesTax = 0M;
taxInfo.ShippingTax = 0M;
}
return(taxInfo);
}
private void LoadTaxRates()
{
TaxController controller = new TaxController();
TaxInfo taxInfo = controller.GetTaxRates(PortalId);
if (taxInfo != null)
{
cbEnableTax.Checked = taxInfo.ShowTax;
txtTaxRate.Text = taxInfo.DefaultTaxRate < 0 ? "" : taxInfo.DefaultTaxRate.ToString("0.00");
}
IsReady = true;
}
public TaxInfo GetTaxRates(int portalID)
{
TaxInfo taxInfo = (TaxInfo)DataCache.GetCache("StoreTaxRates" + portalID);
if (taxInfo == null)
{
taxInfo = CBO.FillObject <TaxInfo>(DataProvider.Instance().ExecuteReader("Store_Administration_GetTaxRates", portalID));
if (taxInfo != null)
{
DataCache.SetCache("StoreTaxRates" + portalID, taxInfo);
}
}
return(taxInfo);
}
/// <summary>
/// Calculate tax according the region in the deliveryAddress argument.
/// </summary>
/// <param name="portalID">ID of the portal</param>
/// <param name="cartItems">ArrayList of ItemInfo that need to have taxes calculated on.</param>
/// <param name="shippingInfo">ShippingInfo in the case that taxes need to be applied to shipping</param>
/// <param name="deliveryAddress">The address that the taxes should be applied for.</param>
/// <returns>ITaxInfo with the total amount of tax due for the cart items shipping cost.</returns>
public ITaxInfo CalculateSalesTax(int portalID, ArrayList cartItems, Shipping.IShippingInfo shippingInfo, Address.IAddressInfo deliveryAddress)
{
TaxInfo taxInfo = new TaxInfo();
taxInfo = GetTaxRates(portalID);
//decimal regionTaxRate = 0M;
//if (deliveryAddress.RegionCode != null && deliveryAddress.RegionCode.Length > 0)
//{
//NOTE: The registration address uses country and region text(ex. Idaho) rather than code(ex. ID).
// As a result all address are stored using the coutnry and region text rather then code.
// We have to lookup the region code here, because taxes are associated with region codes.
// This is only done for the United States since the DefaultTaxProvider only recognizes the United States.
// if ( "united states".Equals(deliveryAddress.CountryCode.ToLower()) || "us".Equals(deliveryAddress.CountryCode.ToLower() ) )
// {
// ListController ctlEntry = new ListController();
// ListEntryInfoCollection regionCollection = ctlEntry.GetListEntryInfoCollection("Region", "", "Country.US");
// foreach(DotNetNuke.Common.Lists.ListEntryInfo entry in regionCollection)
// {
// if (entry.Text.Equals(deliveryAddress.RegionCode))
// {
// if (taxRates.Contains(entry.Value))
// {
// regionTaxRate = decimal.Parse((string)taxRates[entry.Value]);
// }
// break;
// }
// }
// }
//}
decimal cartTotal = shippingInfo.Cost;
foreach (DotNetNuke.Modules.Store.Cart.ItemInfo itemInfo in cartItems)
{
cartTotal += itemInfo.Quantity * itemInfo.UnitCost;
}
taxInfo.SalesTax = cartTotal * (taxInfo.DefaultTaxRate/100);
return taxInfo;
}
public TaxInfo GetTaxRates(int portalID)
{
IDataReader reader = DataProvider.Instance().GetTaxRates(portalID);
TaxInfo taxInfo = new TaxInfo();
if (reader.Read())
{
taxInfo.DefaultTaxRate = (reader["DefaultTaxRate"] == System.DBNull.Value) ? -1 : (decimal)reader["DefaultTaxRate"];
taxInfo.ShowTax = (bool)reader["ShowTax"];
}
return taxInfo;
}
public ITaxInfo GetDefautTaxRates(int portalID)
{
TaxInfo taxInfo = new TaxInfo();
taxInfo = GetTaxRates(portalID);
return taxInfo;
}
