public override LSDecimal GetTaxResult(Order ThisOrder, AnonymousAddress Address, LSDecimal ShippingRate)
        {
            CommerceBuilder.Orders.Basket basket = ThisOrder.AcBasket;
            if (basket == null)
            {
                basket = AcHelper.GetAcBasket(ThisOrder.ShoppingCart, true);
                if (basket != null)
                {
                    basket.Package(false);
                }
                ThisOrder.AcBasket = basket;
            }

            if (basket != null)
            {
                Orders.BasketItem basketItem = null;
                if (ShippingRate > 0)
                {
                    //only temporarily add basket item for tax calculations
                    basketItem = new Orders.BasketItem();
                    basketItem.OrderItemType = Orders.OrderItemType.Shipping;
                    basketItem.Price         = ShippingRate;
                    basketItem.Quantity      = 1;
                    basketItem.Name          = "Temp_GoogleCheckout";
                    //this basket item should be linked to the shipment
                    if (basket.Shipments.Count > 0)
                    {
                        basketItem.BasketShipmentId = basket.Shipments[0].BasketShipmentId;
                    }
                    basket.Items.Add(basketItem);
                    basketItem.BasketId = basket.BasketId;
                    basketItem.Save();
                }

                CommerceBuilder.Users.Address acAddress = AcHelper.GetAnonAcAddress(basket.User, Address);
                UpdateBillingAddress(basket.User, acAddress);
                foreach (Orders.BasketShipment shipment in basket.Shipments)
                {
                    UpdateShipmentAddress(shipment, acAddress);
                }

                LSDecimal RetVal = Taxes.TaxCalculator.Calculate(basket);

                //now that the tax rate is calculated, we can remove the additional basket item
                if (basketItem != null)
                {
                    basket.Items.Remove(basketItem);
                    basketItem.Delete();
                }
                return(RetVal);
            }
            else
            {
                return(0);
            }
        }
        public void Process()
        {
            TraceContext trace    = WebTrace.GetTraceContext();
            string       traceKey = "GoogleCheckout.AC.NewOrderHandler";

            trace.Write(traceKey, "Begin NewOrderHandler.Process, Google order number " + N1.googleordernumber);

            Order order = OrderDataSource.LoadForGoogleOrderNumber(N1.googleordernumber);

            if (order == null) // ordernumber not already entered
            {
                trace.Write(traceKey, "Google order not present in database, get basket");
                Basket basket = AcHelper.GetAcBasket(N1.shoppingcart, true);
                if (basket == null)
                {
                    trace.Write(traceKey, "Basket could not be obtained (End NewOrderHandler.Process)");
                    return;
                }

                //basket is ready. check if there are any order adjustments to be made
                trace.Write(traceKey, "Check for order adjustments");
                OrderAdjustment orderAdj = N1.orderadjustment;
                if (orderAdj != null)
                {
                    trace.Write(traceKey, "Order adjustments present, add to basket");
                    OrderAdjustmentHelper.DoOrderAdjustments(orderAdj, basket);
                }

                trace.Write(traceKey, "set billing address");
                Users.Address primaryAddress = basket.User.PrimaryAddress;
                AcHelper.PopulateAcAddress(primaryAddress, N1.buyerbillingaddress);
                trace.Write(traceKey, "set shipping address");
                Users.Address shipAddr = AcHelper.GetAcAddress(basket.User, N1.buyershippingaddress);
                basket.User.Addresses.Add(shipAddr);
                basket.User.Save();

                trace.Write(traceKey, "package the basket");
                basket.Package(false);

                if (basket.Shipments.Count > 0)
                {
                    //there are shippable items / shipments
                    //set shipment address and shipment method
                    trace.Write(traceKey, "shippable items present, get shipping method");
                    ShipMethod shipMethod = AcHelper.GetShipMethod(basket);
                    trace.Write(traceKey, "ship method is " + shipMethod.Name + " (ID" + shipMethod.ShipMethodId.ToString() + ")");
                    foreach (BasketShipment shipment in basket.Shipments)
                    {
                        shipment.AddressId    = shipAddr.AddressId;
                        shipment.ShipMethodId = shipMethod.ShipMethodId;
                        shipment.Save();
                    }
                    //have to link the shipping charges with some shipment.
                    //we can't know which shipment. Just link to the first.
                    trace.Write(traceKey, "assign shipping charges to first shipment");
                    BasketShipment basketShipment = basket.Shipments[0];
                    foreach (BasketItem item in basket.Items)
                    {
                        if (item.OrderItemType == OrderItemType.Shipping)
                        {
                            item.BasketShipmentId = basketShipment.BasketShipmentId;
                            //update the sku and shipping method name so that scrubbed name is not used
                            item.Name = shipMethod.Name;
                            item.Sku  = string.Empty;
                        }
                    }
                }

                trace.Write(traceKey, "save basket");
                basket.Save();

                //now checkout the order with null payment.
                //this will alow payment to be processed later
                trace.Write(traceKey, "submit basket checkout");
                CheckoutRequest  acCheckout = new CheckoutRequest(null);
                CheckoutResponse acResp     = basket.Checkout(acCheckout);
                if (acResp.Success)
                {
                    trace.Write(traceKey, "checkout was successful, update the google order number for AC order number " + acResp.OrderNumber.ToString());
                    order = OrderDataSource.Load(acResp.OrderId, false);
                    if (order != null)
                    {
                        //update email address associated with order
                        order.BillToEmail       = N1.buyerbillingaddress.email;
                        order.GoogleOrderNumber = N1.googleordernumber;

                        bool isPaidByGc = false;

                        //IF THERE IS ONE PAYMENT AND IT IS A GIFT CERTIFICATE
                        //AND IT COVERS THE BALANCE OF THE ORDER THEN THIS IS THE GOOGLE PAYMENT
                        if (order.Payments.Count == 1)
                        {
                            int     gcPayMethodId = PaymentEngine.GetGiftCertificatePaymentMethod().PaymentMethodId;
                            Payment payment       = order.Payments[0];
                            if (payment.PaymentMethodId == gcPayMethodId)
                            {
                                if (payment.Amount == order.TotalCharges)
                                {
                                    isPaidByGc = true;
                                }
                            }
                        }
                        if (!isPaidByGc)
                        {
                            //We need to create a new payment with status of authorization pending
                            Payment payment = new Payment();
                            payment.PaymentMethodId   = AcHelper.GetGCPaymentMethodId(this.GatewayInstance);
                            payment.Amount            = order.GetBalance(false);
                            payment.OrderId           = order.OrderId;
                            payment.PaymentMethodName = "GoogleCheckout";
                            Transaction trans = new Transaction();
                            trans.TransactionType       = TransactionType.Authorize;
                            trans.TransactionStatus     = TransactionStatus.Pending;
                            trans.Amount                = payment.Amount;
                            trans.PaymentGatewayId      = this.GatewayInstance.PaymentGatewayId;
                            trans.ProviderTransactionId = N1.googleordernumber;
                            trans.TransactionDate       = N1.timestamp;
                            payment.Transactions.Add(trans);
                            payment.PaymentStatus = PaymentStatus.AuthorizationPending;
                            order.Payments.Add(payment);
                        }
                        order.Save();
                    }
                    else
                    {
                        OrderDataSource.UpdateGoogleOrderNumber(acResp.OrderId, N1.googleordernumber);
                    }
                }
                else
                {
                    trace.Write(traceKey, "checkout failed for google order");
                    CommerceBuilder.Utility.Logger.Warn("GoogleCheckout : New Order Checkout Failed.");
                }

                trace.Write(traceKey, "Send AC order number back to Google");
                AcNotifier.AddMerchantOrderNumber(GatewayInstance, N1.googleordernumber, acResp.OrderNumber.ToString());
            }
            else
            {
                //order number already entered. Just send notification
                trace.Write(traceKey, "Google order in database, send AC order number back to Google");
                AcNotifier.AddMerchantOrderNumber(GatewayInstance, N1.googleordernumber, order.OrderNumber.ToString());
            }
            trace.Write(traceKey, "End NewOrderHandler.Process");
        }
        public override ShippingResult GetShippingResult(string ShipMethodName, Order ThisOrder, AnonymousAddress Address)
        {
            TraceContext   trace  = WebTrace.GetTraceContext();
            ShippingResult RetVal = new ShippingResult();

            RetVal.Shippable = false;

            CommerceBuilder.Orders.Basket basket = ThisOrder.AcBasket;
            if (basket == null)
            {
                basket = AcHelper.GetAcBasket(ThisOrder.ShoppingCart, true);
                if (basket != null)
                {
                    basket.Package(false);
                }
                ThisOrder.AcBasket = basket;
            }

            if (basket == null || basket.Shipments.Count == 0)
            {
                return(RetVal);
            }

            ShipMethodCollection shipMethods = ThisOrder.AcShipMethods;

            if (shipMethods == null)
            {
                shipMethods             = ShipMethodDataSource.LoadForStore();
                ThisOrder.AcShipMethods = shipMethods;
            }

            if (shipMethods == null || shipMethods.Count == 0)
            {
                return(RetVal);
            }

            ShipMethod shipMethod;
            string     methodName   = "";
            int        shipMethodId = AcHelper.ExtractShipMethodId(ShipMethodName, out methodName);

            if (shipMethodId != 0)
            {
                shipMethod = AcHelper.FindShipMethod(shipMethods, shipMethodId);
            }
            else
            {
                shipMethod = AcHelper.FindShipMethod(shipMethods, methodName);
            }
            if (shipMethod == null)
            {
                return(RetVal);
            }

            CommerceBuilder.Users.Address acAddress = AcHelper.GetAnonAcAddress(basket.User, Address);
            if (!shipMethod.IsApplicableTo(acAddress))
            {
                return(RetVal);
            }

            ShipRateQuote rateQuote;

            //TODO : should assign a default ship rate
            RetVal.ShippingRate = 0;
            bool isValid = true;

            foreach (Orders.BasketShipment bshipment in basket.Shipments)
            {
                bshipment.SetAddress(acAddress);
                if (!bshipment.IsShipMethodApplicable(shipMethod))
                {
                    isValid = false;
                    break;
                }
                rateQuote = shipMethod.GetShipRateQuote(bshipment);
                if (rateQuote != null && rateQuote.TotalRate > 0)
                {
                    RetVal.ShippingRate += rateQuote.TotalRate;
                }
                else if (rateQuote == null)
                {
                    //this ship method is not applicable
                    isValid = false;
                    break;
                }
            }

            if (isValid)
            {
                RetVal.Shippable = true;
            }

            return(RetVal);
        }
        public override MerchantCodeResult GetMerchantCodeResult(Order ThisOrder, AnonymousAddress Address, string MerchantCode)
        {
            MerchantCodeResult RetVal = new MerchantCodeResult();

            RetVal.Valid = false;

            CommerceBuilder.Orders.Basket basket = ThisOrder.AcBasket;
            if (basket == null)
            {
                basket = AcHelper.GetAcBasket(ThisOrder.ShoppingCart);
                if (basket != null)
                {
                    basket.Package(false);
                }
                ThisOrder.AcBasket = basket;
            }

            if (basket != null)
            {
                Marketing.Coupon coupon = AcHelper.GetAcCoupon(MerchantCode);
                if (coupon != null)
                {
                    RetVal.Type = MerchantCodeType.Coupon;
                    if (!Marketing.CouponCalculator.IsCouponValid(basket, coupon))
                    {
                        RetVal.Message = "Coupon '" + MerchantCode + "' is not valid.";
                        return(RetVal);
                    }

                    if (coupon.AllowCombine)
                    {
                        if (HasNoCombineCoupon(basket))
                        {
                            //Basket already has a no combine coupon.
                            RetVal.Message = "The existing coupon applied to the basket can not combine other coupons.";
                            return(RetVal);
                        }
                    }
                    else
                    {
                        if (basket.BasketCoupons.Count > 0)
                        {
                            RetVal.Message = "Coupon " + MerchantCode + " can not combine with other coupons.";
                            return(RetVal);
                        }
                    }

                    if (!Marketing.CouponCalculator.IsCouponAlreadyUsed(basket, coupon))
                    {
                        //Coupon can be applied now.
                        CommerceBuilder.Orders.BasketCoupon recentCoupon = new CommerceBuilder.Orders.BasketCoupon(basket.BasketId, coupon.CouponId);
                        basket.BasketCoupons.Add(recentCoupon);
                        basket.Save();
                    }

                    CouponCalculator.ProcessBasket(basket, false);
                    //basket.Recalculate();

                    CommerceBuilder.Orders.BasketItem couponItem = GetAppliedCouponItem(basket, coupon);

                    if (couponItem != null)
                    {
                        RetVal.Valid   = true;
                        RetVal.Message = "Coupon '" + MerchantCode + "' has been applied.";
                        RetVal.Amount  = Math.Abs(couponItem.ExtendedPrice.ToDecimal(null));
                    }
                    else
                    {
                        RetVal.Message = "Coupon '" + MerchantCode + "' could not be applied.";
                    }

                    return(RetVal);
                }
                else
                {
                    //check giftcertificate
                    Payments.GiftCertificate giftCert = AcHelper.GetAcGiftCert(MerchantCode);
                    if (giftCert != null)
                    {
                        RetVal.Type   = MerchantCodeType.GiftCertificate;
                        RetVal.Amount = giftCert.Balance;
                        if (DateTime.Compare(giftCert.ExpirationDate, DateTime.UtcNow) < 0)
                        {
                            RetVal.Valid = true;
                        }
                        else
                        {
                            RetVal.Message = "Giftcertificate '" + MerchantCode + "' is expired.";
                        }
                    }
                    else
                    {
                        RetVal.Message = "Sorry, we didn't the recognize code '" + MerchantCode + "'.";
                    }
                }
            }

            if (!RetVal.Valid)
            {
                RetVal.Message = "Sorry, we didn't the recognize code '" + MerchantCode + "'.";
            }
            return(RetVal);
        }