public decimal GetTaxRate(Customer customer, CartItemCollection cartItems, IEnumerable <OrderOption> orderOptions)
{
if (!customer.HasAtLeastOneAddress() || !cartItems.Any())
{
return(0m);
}
// Return the cached value if it's present and still valid
string lastCartHash = HttpContext.Current.Items["TaxCloud.CartHash"] as string;
decimal?lastTaxAmount = HttpContext.Current.Items["TaxCloud.TaxAmount"] as decimal?;
string currentCartHash = GetCartHash(cartItems, customer, orderOptions);
if (lastTaxAmount != null && currentCartHash == lastCartHash)
{
return(lastTaxAmount.Value);
}
// Create line items for all cart items and shipping selections
decimal taxAmount = 0M;
List <CouponObject> CouponList = cartItems.CouponList;
List <QDObject> QuantityDiscountList = cartItems.QuantityDiscountList;
if (Shipping.GetDistinctShippingAddressIDs(cartItems).Count == 1)
{
IEnumerable <net.taxcloud.api.CartItem> refCartitems = ConvertCartItems(cartItems, customer);
net.taxcloud.api.Address destAddress = ConvertAddress(customer.PrimaryShippingAddress);
refCartitems = refCartitems.Concat(CreateCartShippingLineItem(customer, cartItems, orderOptions)).Concat(CreateOrderOptionLineItems(orderOptions));
taxAmount = lookupTaxRate(customer.CustomerID.ToString(), refCartitems.ToArray(), refOrigin, destAddress);
}
else
{
List <int> shipAddresses = Shipping.GetDistinctShippingAddressIDs(cartItems);
foreach (int _addressID in shipAddresses)
{
net.taxcloud.api.Address destAddress = ConvertAddress(_addressID);
IEnumerable <CartItem> tmpcic = cartItems.Where(r => r.ShippingAddressID == _addressID);
IEnumerable <net.taxcloud.api.CartItem> refCartitems = ConvertCartItems(tmpcic, customer, CouponList, QuantityDiscountList);
refCartitems = refCartitems.Concat(CreateCartShippingLineItem(customer, tmpcic, orderOptions));
if (_addressID == customer.PrimaryShippingAddressID)
{
refCartitems = refCartitems.Concat(CreateOrderOptionLineItems(orderOptions));
}
taxAmount += lookupTaxRate(customer.CustomerID.ToString(), refCartitems.ToArray(), refOrigin, destAddress);
}
}
//Cache the tax amount
HttpContext.Current.Items["TaxCloud.CartHash"] = currentCartHash;
HttpContext.Current.Items["TaxCloud.TaxAmount"] = taxAmount;
return(taxAmount);
}
public decimal GetTaxRate(Customer customer, CartItemCollection cartItems, IEnumerable <OrderOption> orderOptions)
{
if (!Enabled)
{
throw new InvalidOperationException("AvalaraInactiveException");
}
if (!customer.HasAtLeastOneAddress() || !cartItems.Any())
{
return(0m);
}
// Create line items for all cart items and shipping selections
var cartItemAddressGroups = GroupCartItemsByShippingAddress(cartItems, customer.PrimaryShippingAddressID);
var lineItems = CreateItemAndShippingLineItems(cartItemAddressGroups, (shipmentAddressId, shipmentAddress, shipmentCartItems) => CreateCartShippingLineItem(shipmentAddress, customer, shipmentCartItems, orderOptions));
// Create line items for order options using the first shipping address as the destination
var firstShippingAddress = LoadAvalaraAddress(cartItemAddressGroups.First().Key);
lineItems = lineItems.Concat(CreateOrderOptionLineItems(orderOptions, firstShippingAddress));
var discountAmount = -cartItems.DiscountResults.Sum(dr => dr.OrderTotal); // This value is returned as negative, but Avalara expectes a positive
// Build and submit the tax request
var taxRequest = BuildTaxRequest(customer, GetOriginAddress(), DocumentType.SalesOrder);
taxRequest.Discount = discountAmount;
// Add each line to the request, setting the line number sequentially
var lineItemIndex = 1;
foreach (var line in lineItems)
{
line.No = (lineItemIndex++).ToString();
taxRequest.Lines.Add(line);
}
var taxService = CreateTaxService();
var taxResult = taxService.GetTax(taxRequest);
foreach (Message message in taxResult.Messages)
{
LogErrorMessage(message);
}
return(taxResult.TotalTax);
}
public decimal GetTaxRate(Customer customer, CartItemCollection cartItems, IEnumerable <OrderOption> orderOptions)
{
if (!Enabled)
{
throw new InvalidOperationException("AvalaraInactiveException");
}
if (!customer.HasAtLeastOneAddress() || !cartItems.Any())
{
return(0m);
}
// Return the cached value if it's present and still valid
string lastCartHash = HttpContext.Current.Items["Avalara.CartHash"] as string;
decimal?lastTaxAmount = HttpContext.Current.Items["Avalara.TaxAmount"] as decimal?;
string currentCartHash = GetCartHash(cartItems, customer, orderOptions);
if (lastTaxAmount != null && currentCartHash == lastCartHash)
{
return(lastTaxAmount.Value);
}
// Create line items for all cart items and shipping selections
var cartItemAddressGroups = GroupCartItemsByShippingAddress(cartItems, customer.PrimaryShippingAddressID);
var lineItems = CreateItemAndShippingLineItems(cartItemAddressGroups, (shipmentAddressId, shipmentAddress, shipmentCartItems) => CreateCartShippingLineItem(shipmentAddress, customer, shipmentCartItems, orderOptions));
// Create line items for order options using the first shipping address as the destination
var firstShippingAddress = LoadAvalaraAddress(cartItemAddressGroups.First().Key);
lineItems = lineItems.Concat(CreateOrderOptionLineItems(orderOptions, firstShippingAddress));
decimal discountAmount = -cartItems.DiscountResults.Sum(dr => dr.OrderTotal); // This value is returned as negative, but Avalara expectes a positive
// Build and submit the tax request
GetTaxRequest taxRequest = BuildTaxRequest(customer, GetOriginAddress(), DocumentType.SalesOrder);
taxRequest.Discount = discountAmount;
// Add each line to the request, setting the line number sequentially
int lineItemIndex = 1;
foreach (var line in lineItems)
{
line.No = (lineItemIndex++).ToString();
taxRequest.Lines.Add(line);
}
TaxSvc taxService = CreateTaxService();
GetTaxResult taxResult = taxService.GetTax(taxRequest);
foreach (Message message in taxResult.Messages)
{
LogErrorMessage(message);
}
decimal taxAmount = taxResult.TotalTax;
// Cache the tax amount
HttpContext.Current.Items["Avalara.CartHash"] = currentCartHash;
HttpContext.Current.Items["Avalara.TaxAmount"] = taxAmount;
return(taxAmount);
}