public ShippingMethodCollection GetShippingMethods(ShippingCalculationContext context)
{
var methods = GetRates(new RealTimeRateCalculationContext(
shipmentAddress: context.ShippingAddress,
shippingHandlingExtraFee: AppLogic.AppConfigUSDecimal("ShippingHandlingExtraFee"),
cartItems: context.CartItems,
shipmentValue: context.CartSubtotal(
true, // includeDiscount
false, // onlyIncludeTaxableItems
false, // includeDownloadItems
true, // includeFreeShippingItems
false, // includeSystemItems
false, // useCustomerCurrencySetting
0, // forShippingAddressId
true, // excludeTax
false) // includeShippingNotRequiredItems
,
shippingTaxRate: context.TaxRate,
customerId: context.Customer.CustomerID));
var availableShippingMethods = new ShippingMethodCollection();
if (methods.Any())
{
availableShippingMethods.AddRange(GetRealTimeShippingMethods(context, methods));
}
else if (methods.ErrorMsg.Contains(AppLogic.AppConfig("RTShipping.CallForShippingPrompt")))
{
availableShippingMethods.AddRange(GetCallForShippingMethods());
}
return(availableShippingMethods);
}
/// <summary>
/// Generates the shipping method query per store
/// </summary>
/// <param name="context">Calculation context</param>
/// <param name="includeZone">Whether to include zone mapping</param>
protected string GenerateShippingMethodsQuery(ShippingCalculationContext context, bool includeZone)
{
var shippingMethodToStateMapIsEmpty = Shipping.ShippingMethodToStateMapIsEmpty();
var shippingMethodToCountryMapIsEmpty = Shipping.ShippingMethodToCountryMapIsEmpty();
var customerStateID = AppLogic.GetStateID(context.ShippingAddress.State);
var customerCountryID = AppLogic.GetCountryID(context.ShippingAddress.Country);
if (customerCountryID < 1 && context.ShippingAddress.Country.Length == 2)
{
customerCountryID = AppLogic.GetCountryIDFromTwoLetterISOCode(context.ShippingAddress.Country);
}
if (customerCountryID < 1 && context.ShippingAddress.Country.Length == 3)
{
customerCountryID = AppLogic.GetCountryIDFromThreeLetterISOCode(context.ShippingAddress.Country);
}
var shipsql = new StringBuilder(1024);
if (context.StoreId == Shipping.DONT_FILTER_PER_STORE)
{
shipsql.AppendFormat(
"select sm.* from ShippingMethod sm with(nolock) where sm.IsRTShipping = 0");
}
else
{
shipsql.AppendFormat(
@"select sm.* from ShippingMethod sm
inner join ShippingMethodStore sms on sms.ShippingMethodId = sm.ShippingMethodId
where sm.IsRTShipping = 0 and sms.StoreId = {0}" , context.StoreId);
}
if (!shippingMethodToStateMapIsEmpty && customerStateID <= 0)
{
shipsql.Append(" and sm.ShippingMethodID not in (select ShippingMethodID from ShippingMethodToStateMap with (NOLOCK))");
}
if (!shippingMethodToStateMapIsEmpty && customerStateID > 0)
{
shipsql.Append(" and sm.ShippingMethodID in (select ShippingMethodID from ShippingMethodToStateMap with (NOLOCK) where StateID = " + customerStateID.ToString() + ")");
}
if (!shippingMethodToCountryMapIsEmpty)
{
shipsql.Append(" and sm.ShippingMethodID in (select ShippingMethodID from ShippingMethodToCountryMap with (NOLOCK) where CountryID = " + customerCountryID.ToString() + ")");
}
// most of the shipping methods honor the state and country mapping
// except for the zip zone mappings which only a handful or them use
if (includeZone && !Shipping.ShippingMethodToZoneMapIsEmpty())
{
shipsql.Append(" and ShippingMethodID in (select ShippingMethodID from ShippingMethodToZoneMap with (NOLOCK) where ShippingZoneID = " + Shipping.ZoneLookup(context.ShippingAddress.Zip).ToString() + ")");
}
shipsql.Append(" order by Displayorder");
return(shipsql.ToString());
}
public ShippingMethodCollection GetShippingMethods(ShippingCalculationContext context)
{
var availableShippingMethods = new ShippingMethodCollection();
var shipSql = GenerateShippingMethodsQuery(context, UsesZones);
using (var connection = new SqlConnection(DB.GetDBConn()))
{
connection.Open();
using (var reader = DB.GetRS(shipSql, connection))
while (reader.Read())
{
var thisMethod = new ShippingMethod
{
Id = DB.RSFieldInt(reader, "ShippingMethodID"),
Name = DB.RSFieldByLocale(reader, "Name", context.Customer.LocaleSetting),
IsFree = context.ShippingIsFreeIfIncludedInFreeList && Shipping.ShippingMethodIsInFreeList(DB.RSFieldInt(reader, "ShippingMethodID")),
ImageFileName = DB.RSField(reader, "ImageFileName"),
};
if (thisMethod.IsFree)
{
thisMethod.ShippingIsFree = true;
thisMethod.Freight = 0m;
}
else
{
var freight = CalculateFreight(context, thisMethod.Id, reader);
if (freight > 0m && context.HandlingExtraFee > 0m)
{
freight += context.HandlingExtraFee;
}
if (freight < 0)
{
freight = 0;
}
thisMethod.Freight = freight;
}
if (!(context.ExcludeZeroFreightCosts == true && (thisMethod.Freight == 0m && !thisMethod.IsFree)))
{
availableShippingMethods.Add(thisMethod);
}
}
}
return(availableShippingMethods);
}
protected override decimal CalculateFreight(ShippingCalculationContext context, int shippingMethodId, IDataReader reader)
{
return(Shipping.GetShipByTotalCharge(
shippingMethodId,
context.CartSubtotal(
true, // includeDiscount
false, // onlyIncludeTaxableItems
false, // includeDownloadItems
false, // includeFreeShippingItems
true, // includeSystemItems
false, // useCustomerCurrencySetting
0, // forShippingAddressId
true, // excludeTax
false) // includeShippingNotRequiredItems
));
}
IEnumerable <ShippingMethod> GetRealTimeShippingMethods(ShippingCalculationContext context, IEnumerable <ShippingMethod> methods)
{
foreach (var method in methods)
{
method.IsFree = method.IsFree && context.ShippingIsFreeIfIncludedInFreeList;
method.IsRealTime = true;
if (context.ShippingIsFreeIfIncludedInFreeList && Shipping.GetFreeShippingMethodIDs().ParseAsDelimitedList <int>().Contains(method.Id))
{
method.Freight = 0.0M;
method.ShippingIsFree = true;
}
if (context.ExcludeZeroFreightCosts && method.Freight == decimal.Zero)
{
continue;
}
// Add it to the db
var countOfMatchingMethods = DB.GetSqlN(
"select count(*) N from ShippingMethod with (NOLOCK) where IsRTShipping = 1 and Name = @methodName",
new SqlParameter("methodName", method.Name));
if (countOfMatchingMethods == 0)
{
var defaultCarrierIcon = GetDefaultCarrierIcon(method.Carrier);
method.ImageFileName = defaultCarrierIcon;
DB.ExecuteSQL(
"insert ShippingMethod(Name, IsRTShipping, ImageFileName) values(@MethodName, 1, @ImageFileName)",
new SqlParameter("MethodName", method.Name),
new SqlParameter("ImageFileName", defaultCarrierIcon));
}
yield return(method);
}
}
protected override decimal CalculateFreight(ShippingCalculationContext context, int shippingMethodId, IDataReader reader)
{
var zoneID = Shipping.ZoneLookup(context.ShippingAddress.Zip);
return(Shipping.GetShipByWeightAndZoneCharge(shippingMethodId, context.Weight, zoneID));
}
protected abstract decimal CalculateFreight(ShippingCalculationContext context, int shippingMethodId, IDataReader reader);
protected override decimal CalculateFreight(ShippingCalculationContext context, int shippingMethodId, IDataReader reader)
{
return(DB.RSFieldDecimal(reader, "FixedRate"));
}
protected override decimal CalculateFreight(ShippingCalculationContext context, int shippingMethodId, IDataReader reader)
{
return(Shipping.GetShipByWeightCharge(shippingMethodId, context.Weight));
}