/// <summary>
/// Gets available shipping options
/// </summary>
/// <param name="Cart">Shopping cart</param>
/// <param name="customer">Customer</param>
/// <param name="ShippingAddress">Shipping address</param>
/// <param name="Error">Error</param>
/// <returns>Shipping options</returns>
public static ShippingOptionCollection GetShippingOptions(ShoppingCart Cart, Customer customer, Address ShippingAddress, ref string Error)
{
if (Cart == null)
{
throw new ArgumentNullException("Cart");
}
bool isFreeShipping = IsFreeShipping(Cart, customer);
ShipmentPackage ShipmentPackage = CreateShipmentPackage(Cart, customer, ShippingAddress);
ShippingRateComputationMethod activeShippingRateComputationMethod = ActiveShippingRateComputationMethod;
if (activeShippingRateComputationMethod == null)
{
throw new NopException("Shipping rate computation method could not be loaded");
}
IShippingRateComputationMethod iShippingRateComputationMethod = Activator.CreateInstance(Type.GetType(activeShippingRateComputationMethod.ClassName)) as IShippingRateComputationMethod;
ShippingOptionCollection shippingOptions = iShippingRateComputationMethod.GetShippingOptions(ShipmentPackage, ref Error);
decimal additionalShippingCharge = GetShoppingCartAdditionalShippingCharge(Cart, customer);
shippingOptions.ForEach(so => so.Rate += additionalShippingCharge);
if (isFreeShipping)
{
shippingOptions.ForEach(so => so.Rate = Decimal.Zero);
}
shippingOptions.ForEach(so => so.Rate = Math.Round(so.Rate, 2));
return(shippingOptions);
}
/// <summary>
/// Gets available shipping options
/// </summary>
/// <param name="cart">Shopping cart</param>
/// <param name="customer">Customer</param>
/// <param name="shippingAddress">Shipping address</param>
/// <param name="allowedShippingRateComputationMethodId">Allowed shipping rate computation method identifier; null to load shipping options of all methods</param>
/// <param name="error">Error</param>
/// <returns>Shipping options</returns>
public static ShippingOptionCollection GetShippingOptions(ShoppingCart cart,
Customer customer, Address shippingAddress,
int?allowedShippingRateComputationMethodId, ref string error)
{
if (cart == null)
{
throw new ArgumentNullException("cart");
}
var shippingOptions = new ShippingOptionCollection();
bool isFreeShipping = IsFreeShipping(cart, customer);
var ShipmentPackage = CreateShipmentPackage(cart, customer, shippingAddress);
var shippingRateComputationMethods = ShippingRateComputationMethodManager.GetAllShippingRateComputationMethods(false);
if (shippingRateComputationMethods.Count == 0)
{
throw new NopException("Shipping rate computation method could not be loaded");
}
foreach (var srcm in shippingRateComputationMethods)
{
if (allowedShippingRateComputationMethodId.HasValue &&
allowedShippingRateComputationMethodId.Value > 0 &&
allowedShippingRateComputationMethodId.Value != srcm.ShippingRateComputationMethodId)
{
continue;
}
var iShippingRateComputationMethod = Activator.CreateInstance(Type.GetType(srcm.ClassName)) as IShippingRateComputationMethod;
var shippingOptions2 = iShippingRateComputationMethod.GetShippingOptions(ShipmentPackage, ref error);
if (shippingOptions2 != null)
{
foreach (var so2 in shippingOptions2)
{
so2.ShippingRateComputationMethodId = srcm.ShippingRateComputationMethodId;
shippingOptions.Add(so2);
}
}
}
if (shippingOptions.Count == 0)
{
error = "Shipping options could not be loaded";
}
//additional shipping charges
decimal additionalShippingCharge = GetShoppingCartAdditionalShippingCharge(cart, customer);
shippingOptions.ForEach(so => so.Rate += additionalShippingCharge);
//discounts
foreach (var so in shippingOptions)
{
decimal rateWithoutDiscount = Math.Round(so.Rate, 2);
decimal rateWithDiscount = decimal.Zero;
Discount rateDiscount = null;
decimal rateDiscountAmount = GetShippingDiscount(customer, rateWithoutDiscount, out rateDiscount);
rateWithDiscount = rateWithoutDiscount - rateDiscountAmount;
if (rateWithDiscount < decimal.Zero)
{
rateWithDiscount = decimal.Zero;
}
rateWithDiscount = Math.Round(rateWithDiscount, 2);
so.Rate = rateWithDiscount;
if (rateDiscount != null)
{
so.AppliedDiscountId = rateDiscount.DiscountId;
}
}
//free shipping
if (isFreeShipping)
{
shippingOptions.ForEach(so => so.Rate = decimal.Zero);
}
return(shippingOptions);
}