/// <summary>
/// Get shipping method rates.
/// </summary>
ShippingMethodCollection GetRates(RealTimeRateCalculationContext context)
{
// Build shipments
var shipments = BuildShipments(context);
// Set shipment info
var realTimeShipping = new RTShipping
{
ShipmentWeight = GetHeaviestPackageWeightTotal(context.CartItems),
DestinationResidenceType = context.ShipmentAddress.ResidenceType,
ShipmentValue = context.ShipmentValue,
};
// Get carriers
var carriers = shipments.Any()
? shipments.IsInternational
? AppLogic.AppConfig("RTShipping.InternationalCarriers")
: AppLogic.AppConfig("RTShipping.DomesticCarriers")
: AppLogic.AppConfig("RTShipping.ActiveCarrier");
if (string.IsNullOrWhiteSpace(carriers))
{
carriers = AppLogic.AppConfig("RTShipping.ActiveCarrier");
}
// Get results
string rtShipRequest, rtShipResponse;
var shippingMethods = (ShippingMethodCollection)realTimeShipping.GetRates(
shipments,
carriers,
context.ShippingTaxRate,
out rtShipRequest,
out rtShipResponse,
context.ShippingHandlingExtraFee,
AppLogic.AppConfigUSDecimal("RTShipping.MarkupPercent"),
realTimeShipping.ShipmentValue);
DB.ExecuteSQL(
"update customer set RTShipRequest = @rtShipRequest, RTShipResponse = @rtShipResponse where CustomerID = @customerId",
new SqlParameter("rtShipRequest", rtShipRequest),
new SqlParameter("rtShipResponse", rtShipResponse),
new SqlParameter("customerId", context.CustomerId));
return(shippingMethods);
}
Shipments BuildShipments(RealTimeRateCalculationContext context)
{
var useDistributors = context.CartItems.HasDistributorComponents() && AppLogic.AppConfigBool("RTShipping.MultiDistributorCalculation");
var freeShippingAllowsRateSelection = AppLogic.AppConfigBool("FreeShippingAllowsRateSelection");
var shipments = new Shipments
{
HasDistributorItems = useDistributors,
};
// Get ship separately cart items
var packageId = 1;
foreach (var cartItem in context.CartItems.Where(ci => ci.IsShipSeparately))
{
// Only calculate rates for products that require shipping
if (cartItem.IsDownload ||
cartItem.IsSystem ||
!cartItem.Shippable ||
GiftCard.ProductIsEmailGiftCard(cartItem.ProductID) ||
(cartItem.FreeShipping && !freeShippingAllowsRateSelection))
{
continue;
}
var packages = new Packages();
ApplyDestinationForAddress(packages, context.ShipmentAddress);
if (useDistributors && cartItem.DistributorID > 0)
{
ApplyOriginForDistributor(packages, cartItem.DistributorID);
}
packages.AddPackage(new Package(cartItem)
{
PackageId = packageId++,
});
shipments.Add(packages);
}
// Now get all itmes that do not ship separately, but group them into shipments by distributor.
// Note that distributor ID 0 will be all of the items without a distributor.
var maxDistributorId = useDistributors
? DB.GetSqlN("select max(DistributorID) N from ProductDistributor")
: 0;
for (int distributorId = 0; distributorId <= maxDistributorId; distributorId++)
{
var remainingItemsWeight = 0m;
var remainingItemsInsuranceValue = 0m;
foreach (var cartItem in context.CartItems.Where(ci => !ci.IsShipSeparately))
{
// Only calculate rates for products that require shipping
if (cartItem.IsDownload ||
cartItem.IsSystem ||
!cartItem.Shippable ||
GiftCard.ProductIsEmailGiftCard(cartItem.ProductID) ||
(cartItem.FreeShipping && !freeShippingAllowsRateSelection))
{
continue;
}
if (useDistributors && cartItem.DistributorID != distributorId)
{
continue;
}
var weight = cartItem.Weight;
if (weight == 0m)
{
weight = AppLogic.AppConfigUSDecimal("RTShipping.DefaultItemWeight");
}
if (weight == 0m)
{
weight = 0.5m; // must have SOMETHING to use!
}
remainingItemsWeight += (weight * cartItem.Quantity);
remainingItemsInsuranceValue += (cartItem.Price * cartItem.Quantity);
}
if (remainingItemsWeight == 0m)
{
continue;
}
var package = new Package
{
PackageId = packageId++,
Weight = remainingItemsWeight + AppLogic.AppConfigUSDecimal("RTShipping.PackageExtraWeight"),
Insured = AppLogic.AppConfigBool("RTShipping.Insured"),
InsuredValue = remainingItemsInsuranceValue,
};
var packages = new Packages();
ApplyDestinationForAddress(packages, context.ShipmentAddress);
if (useDistributors && distributorId != 0)
{
ApplyOriginForDistributor(packages, distributorId);
}
packages.AddPackage(package);
shipments.Add(packages);
}
return(shipments);
}
