/// <summary>
/// Gets tax
/// </summary>
/// <param name="cart">Shopping cart</param>
/// <param name="paymentMethodId">Payment method identifier</param>
/// <param name="customer">Customer</param>
/// <param name="error">Error</param>
/// <returns>Tax total</returns>
public static decimal GetTaxTotal(ShoppingCart cart, int paymentMethodId,
Customer customer, ref string error)
{
decimal taxTotal = decimal.Zero;
//items
decimal itemsTaxTotal = decimal.Zero;
foreach (var shoppingCartItem in cart)
{
string error1 = string.Empty;
string error2 = string.Empty;
decimal subTotalWithoutDiscountExclTax = TaxManager.GetPrice(shoppingCartItem.ProductVariant, PriceHelper.GetSubTotal(shoppingCartItem, customer, true), false, customer, ref error1);
decimal subTotalWithoutDiscountInclTax = TaxManager.GetPrice(shoppingCartItem.ProductVariant, PriceHelper.GetSubTotal(shoppingCartItem, customer, true), true, customer, ref error2);
if (!String.IsNullOrEmpty(error1))
{
error = error1;
}
if (!String.IsNullOrEmpty(error2))
{
error = error2;
}
decimal shoppingCartItemTax = subTotalWithoutDiscountInclTax - subTotalWithoutDiscountExclTax;
itemsTaxTotal += shoppingCartItemTax;
}
//checkout attributes
decimal checkoutAttributesTax = decimal.Zero;
if (customer != null)
{
var caValues = CheckoutAttributeHelper.ParseCheckoutAttributeValues(customer.CheckoutAttributes);
foreach (var caValue in caValues)
{
string error1 = string.Empty;
string error2 = string.Empty;
decimal caExclTax = TaxManager.GetCheckoutAttributePrice(caValue, false, customer, ref error1);
decimal caInclTax = TaxManager.GetCheckoutAttributePrice(caValue, true, customer, ref error2);
if (!String.IsNullOrEmpty(error1))
{
error = error1;
}
if (!String.IsNullOrEmpty(error2))
{
error = error2;
}
decimal caTax = caInclTax - caExclTax;
checkoutAttributesTax += caTax;
}
}
//shipping
decimal shippingTax = decimal.Zero;
if (TaxManager.ShippingIsTaxable)
{
string error1 = string.Empty;
string error2 = string.Empty;
decimal?shippingExclTax = ShippingManager.GetShoppingCartShippingTotal(cart, customer, false, ref error1);
decimal?shippingInclTax = ShippingManager.GetShoppingCartShippingTotal(cart, customer, true, ref error2);
if (!String.IsNullOrEmpty(error1))
{
error = error1;
}
if (!String.IsNullOrEmpty(error2))
{
error = error2;
}
if (shippingExclTax.HasValue && shippingInclTax.HasValue)
{
shippingTax = shippingInclTax.Value - shippingExclTax.Value;
}
}
//payment method additional fee
decimal paymentMethodAdditionalFeeTax = decimal.Zero;
if (TaxManager.PaymentMethodAdditionalFeeIsTaxable)
{
string error1 = string.Empty;
string error2 = string.Empty;
decimal paymentMethodAdditionalFee = PaymentManager.GetAdditionalHandlingFee(paymentMethodId);
decimal?paymentMethodAdditionalFeeExclTax = TaxManager.GetPaymentMethodAdditionalFee(paymentMethodAdditionalFee, false, customer, ref error1);
decimal?paymentMethodAdditionalFeeInclTax = TaxManager.GetPaymentMethodAdditionalFee(paymentMethodAdditionalFee, true, customer, ref error2);
if (!String.IsNullOrEmpty(error1))
{
error = error1;
}
if (!String.IsNullOrEmpty(error2))
{
error = error2;
}
if (paymentMethodAdditionalFeeExclTax.HasValue && paymentMethodAdditionalFeeInclTax.HasValue)
{
paymentMethodAdditionalFeeTax = paymentMethodAdditionalFeeInclTax.Value - paymentMethodAdditionalFeeExclTax.Value;
}
}
taxTotal = itemsTaxTotal + checkoutAttributesTax + shippingTax + paymentMethodAdditionalFeeTax;
taxTotal = Math.Round(taxTotal, 2);
return(taxTotal);
}
/// <summary>
/// Gets tax
/// </summary>
/// <param name="Cart">Shopping cart</param>
/// <param name="PaymentMethodID">Payment method identifier</param>
/// <param name="customer">Customer</param>
/// <param name="Error">Error</param>
/// <returns>Tax total</returns>
public static decimal GetTaxTotal(ShoppingCart Cart, int PaymentMethodID,
Customer customer, ref string Error)
{
decimal taxTotal = decimal.Zero;
//items
decimal itemsTaxTotal = decimal.Zero;
foreach (ShoppingCartItem shoppingCartItem in Cart)
{
decimal subTotalWithoutDiscountExclTax = decimal.Zero;
decimal subTotalWithoutDiscountInclTax = decimal.Zero;
string Error1 = string.Empty;
string Error2 = string.Empty;
subTotalWithoutDiscountExclTax = TaxManager.GetPrice(shoppingCartItem.ProductVariant, PriceHelper.GetSubTotal(shoppingCartItem, customer, true), false, customer, ref Error1);
subTotalWithoutDiscountInclTax = TaxManager.GetPrice(shoppingCartItem.ProductVariant, PriceHelper.GetSubTotal(shoppingCartItem, customer, true), true, customer, ref Error2);
if (!String.IsNullOrEmpty(Error1))
{
Error = Error1;
}
if (!String.IsNullOrEmpty(Error2))
{
Error = Error2;
}
decimal shoppingCartItemTax = subTotalWithoutDiscountInclTax - subTotalWithoutDiscountExclTax;
itemsTaxTotal += shoppingCartItemTax;
}
//shipping
decimal shippingTax = decimal.Zero;
if (TaxManager.ShippingIsTaxable)
{
string Error3 = string.Empty;
string Error4 = string.Empty;
decimal?shippingExclTax = ShippingManager.GetShoppingCartShippingTotal(Cart, customer, false, ref Error3);
decimal?shippingInclTax = ShippingManager.GetShoppingCartShippingTotal(Cart, customer, true, ref Error4);
if (!String.IsNullOrEmpty(Error3))
{
Error = Error3;
}
if (!String.IsNullOrEmpty(Error4))
{
Error = Error4;
}
if (shippingExclTax.HasValue && shippingInclTax.HasValue)
{
shippingTax = shippingInclTax.Value - shippingExclTax.Value;
}
}
//payment method additional fee
decimal paymentMethodAdditionalFeeTax = decimal.Zero;
if (TaxManager.PaymentMethodAdditionalFeeIsTaxable)
{
string Error5 = string.Empty;
string Error6 = string.Empty;
decimal paymentMethodAdditionalFee = PaymentManager.GetAdditionalHandlingFee(PaymentMethodID);
decimal?paymentMethodAdditionalFeeExclTax = TaxManager.GetPaymentMethodAdditionalFee(paymentMethodAdditionalFee, false, customer, ref Error5);
decimal?paymentMethodAdditionalFeeInclTax = TaxManager.GetPaymentMethodAdditionalFee(paymentMethodAdditionalFee, true, customer, ref Error6);
if (!String.IsNullOrEmpty(Error5))
{
Error = Error5;
}
if (!String.IsNullOrEmpty(Error6))
{
Error = Error6;
}
if (paymentMethodAdditionalFeeExclTax.HasValue && paymentMethodAdditionalFeeInclTax.HasValue)
{
paymentMethodAdditionalFeeTax = paymentMethodAdditionalFeeInclTax.Value - paymentMethodAdditionalFeeExclTax.Value;
}
}
taxTotal = itemsTaxTotal + shippingTax + paymentMethodAdditionalFeeTax;
taxTotal = Math.Round(taxTotal, 2);
return(taxTotal);
}
