public void OrderPlaced(Order order)
{
if (!Enabled)
{
throw new InvalidOperationException("AvalaraInactiveException");
}
var customer = new Customer(order.CustomerID);
var cartItems = order.CartItems;
var orderOptions = GetOrderOptions(order);
// Create line items for all cart items and shipping selections
var cartItemAddressGroups = GroupCartItemsByShippingAddress(cartItems, customer.PrimaryShippingAddressID);
var lineItems = CreateItemAndShippingLineItems(cartItemAddressGroups, (shipmentAddressId, shipmentAddress, shipmentCartItems) => CreateOrderShippingLineItem(shipmentAddress, shipmentCartItems, order, shipmentAddressId));
// 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));
// Calculate the discount from the promotion usages for this order
decimal discountAmount;
using (var promotionsDataContext = new AspDotNetStorefront.Promotions.Data.EntityContextDataContext())
{
discountAmount = promotionsDataContext.PromotionUsages
.Where(pu => pu.OrderId == order.OrderNumber)
.Where(pu => pu.Complete)
.Sum(pu => - pu.OrderDiscountAmount) // Avalara expects a positive number
.GetValueOrDefault(0);
}
// Build the tax request
var taxRequest = BuildTaxRequest(customer, GetOriginAddress(), DocumentType.SalesInvoice);
taxRequest.Discount = discountAmount;
taxRequest.DocCode = order.OrderNumber.ToString();
taxRequest.TaxOverride.TaxDate = order.OrderDate;
taxRequest.DocDate = DateTime.Now;
taxRequest.Commit = CommitTaxes;
// Add each line to the request, setting the line number sequentially
var lineItemIndex = 0;
foreach (var line in lineItems)
{
line.No = (++lineItemIndex).ToString();
taxRequest.Lines.Add(line);
}
//Submit the request
var taxService = CreateTaxService();
var taxResult = taxService.GetTax(taxRequest);
foreach (Message message in taxResult.Messages)
{
LogErrorMessage(message); //this throws an exception
}
}
private Line CreateLineItem(CartItem cartItem, Avalara.AvaTax.Adapter.AddressService.Address destinationAddress)
{
decimal extendedPrice;
if (cartItem.ThisShoppingCart == null)
{
// Order line items
using (var promotionsDataContext = new AspDotNetStorefront.Promotions.Data.EntityContextDataContext())
{
// Sum the discount for every PromotionLineItem that applies to the current cart item.
// A gift product's line item price is already discounted, so don't include the discount when IsAGift is true.
var lineItemDiscountAmount = promotionsDataContext.PromotionLineItems
.Where(pli => !pli.isAGift)
.Where(pli => pli.shoppingCartRecordId == cartItem.ShoppingCartRecordID)
.Sum(pli => (decimal?)pli.discountAmount);
extendedPrice = cartItem.Price + (lineItemDiscountAmount ?? 0);
}
}
else
{
// Shopping cart items
CartItemCollection cartItems = cartItem.ThisShoppingCart.CartItems;
extendedPrice = Prices.LineItemPrice(cartItem, cartItems.CouponList, cartItems.QuantityDiscountList, cartItem.ThisCustomer);
}
Line lineItem = new Line
{
ItemCode = cartItem.SKU,
Description = cartItem.ProductName,
Amount = extendedPrice,
Qty = (double)cartItem.Quantity,
Discounted = true,
DestinationAddress = destinationAddress,
};
if (cartItem.IsTaxable)
{
var lineItemTaxClass = new TaxClass(cartItem.TaxClassID);
lineItem.TaxCode = lineItemTaxClass.TaxCode;
}
else
{
lineItem.TaxCode = "NT";
}
lineItem.TaxOverride.TaxDate = System.DateTime.Today;
return(lineItem);
}
private IEnumerable <net.taxcloud.api.CartItem> ConvertCartItems(IEnumerable <CartItem> cartItems, Customer customer, List <CouponObject> CouponList, List <QDObject> QuantityDiscountList)
{
IList <net.taxcloud.api.CartItem> refCartItems = new List <net.taxcloud.api.CartItem>();
foreach (CartItem i in cartItems)
{
decimal extendedPrice = Decimal.Zero;
if (i.ThisShoppingCart == null)
{
// Order line items
using (var promotionsDataContext = new AspDotNetStorefront.Promotions.Data.EntityContextDataContext())
{
// Sum the discount for every PromotionLineItem that applies to the current cart item.
// A gift product's line item price is already discounted, so don't include the discount when IsAGift is true.
var lineItemDiscountAmount = promotionsDataContext.PromotionLineItems
.Where(pli => !pli.isAGift)
.Where(pli => pli.shoppingCartRecordId == i.ShoppingCartRecordID)
.Sum(pli => (decimal?)pli.discountAmount);
extendedPrice = i.Price + (lineItemDiscountAmount ?? 0);
}
}
else
{
// Shopping cart items
extendedPrice = Prices.LineItemPrice(i, CouponList, QuantityDiscountList, customer);
}
net.taxcloud.api.CartItem refCartItem = new net.taxcloud.api.CartItem()
{
Index = i.ShoppingCartRecordID,
ItemID = i.SKU,
TIC = Localization.ParseNativeInt(new TaxClass(i.TaxClassID).TaxCode),
Price = (double)extendedPrice / i.Quantity,
Qty = (float)i.Quantity,
};
refCartItems.Add(refCartItem);
}
return(refCartItems);
}
public void IssueRefund(Order order, Address originAddress, decimal refundTotal)
{
if (!Enabled)
{
throw new InvalidOperationException("AvalaraInactiveException");
}
var customer = new Customer(order.CustomerID);
var cartItems = order.CartItems;
var orderOptions = GetOrderOptions(order);
var numberOfRefundTransactions = (order.ChildOrderNumbers ?? string.Empty).Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries).Length;
decimal discountAmount;
using (var promotionsDataContext = new AspDotNetStorefront.Promotions.Data.EntityContextDataContext())
{
discountAmount = promotionsDataContext.PromotionUsages
.Where(pu => pu.OrderId == order.OrderNumber)
.Where(pu => pu.Complete)
.Sum(pu => pu.OrderDiscountAmount) // Avalara expects a positive discount amount everywhere else, but it should be negative on refunds
.GetValueOrDefault(0);
}
// Build the tax request
var taxRequest = BuildTaxRequest(customer, GetOriginAddress(), DocumentType.SalesInvoice);
taxRequest.Discount = discountAmount;
taxRequest.DocCode = order.OrderNumber.ToString() + "." + (numberOfRefundTransactions + 1).ToString();
taxRequest.TaxOverride.TaxOverrideType = TaxOverrideType.TaxDate;
taxRequest.TaxOverride.TaxDate = order.OrderDate;
taxRequest.TaxOverride.Reason = "Refund";
taxRequest.DocDate = DateTime.Now;
taxRequest.Commit = CommitRefunds;
if (refundTotal > 0)
{
// Partial refund
// Add in the refund line object
var refundLineItem = new Line
{
Amount = -refundTotal,
Qty = 1,
No = "1",
TaxCode = TaxRefunds ? null : "NT" // Make this refund non-taxable as recommended by Avalara
};
taxRequest.Lines.Add(refundLineItem);
}
else
{
// Refund the full order
// Void any partial refunds
VoidRefunds(order);
// Add order items to the refund transaction
// Create line items for all cart items and shipping selections
var cartItemAddressGroups = GroupCartItemsByShippingAddress(cartItems, customer.PrimaryShippingAddressID);
var lineItems = CreateItemAndShippingLineItems(cartItemAddressGroups, (shipmentAddressId, shipmentAddress, shipmentCartItems) => CreateOrderShippingLineItem(shipmentAddress, shipmentCartItems, order, shipmentAddressId));
// 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));
// Add each line to the request, setting the line number sequentially
var lineItemIndex = 0;
foreach (var line in lineItems)
{
line.Amount = -line.Amount;
line.No = (++lineItemIndex).ToString();
taxRequest.Lines.Add(line);
}
}
//Submit the request
var taxService = CreateTaxService();
var taxResult = taxService.GetTax(taxRequest);
foreach (Message message in taxResult.Messages)
{
LogErrorMessage(message);
}
}
