private decimal?GetRate(decimal subTotal, decimal weight, int shippingMethodId, int storeId, int countryId, string zip)
{
decimal?shippingTotal = null;
var shippingByWeightRecord = _shippingByWeightService.FindRecord(shippingMethodId, storeId, countryId, weight, zip);
if (shippingByWeightRecord == null)
{
if (_shippingByWeightSettings.LimitMethodsToCreated)
{
return(null);
}
else
{
return(decimal.Zero);
}
}
if (shippingByWeightRecord.UsePercentage && shippingByWeightRecord.ShippingChargePercentage <= decimal.Zero)
{
return(decimal.Zero);
}
if (!shippingByWeightRecord.UsePercentage && shippingByWeightRecord.ShippingChargeAmount <= decimal.Zero)
{
return(decimal.Zero);
}
if (shippingByWeightRecord.UsePercentage)
{
shippingTotal = Math.Round((decimal)((((float)subTotal) * ((float)shippingByWeightRecord.ShippingChargePercentage)) / 100f), 2);
}
else
{
if (_shippingByWeightSettings.CalculatePerWeightUnit)
{
shippingTotal = shippingByWeightRecord.ShippingChargeAmount * weight;
}
else
{
shippingTotal = shippingByWeightRecord.ShippingChargeAmount;
}
}
if (shippingTotal < decimal.Zero)
{
shippingTotal = decimal.Zero;
}
return(shippingTotal);
}
/// <summary>
/// Get rate by weight
/// </summary>
/// <param name="subTotal">Subtotal</param>
/// <param name="weight">Weight</param>
/// <param name="shippingMethodId">Shipping method ID</param>
/// <param name="storeId">Store ID</param>
/// <param name="warehouseId">Warehouse ID</param>
/// <param name="countryId">Country ID</param>
/// <param name="stateProvinceId">State/Province ID</param>
/// <param name="zip">Zip code</param>
/// <returns>Rate</returns>
private decimal?GetRate(decimal subTotal, decimal weight, int shippingMethodId,
int storeId, int warehouseId, int countryId, int stateProvinceId, string zip)
{
var shippingByWeightRecord = _shippingByWeightService.FindRecord(shippingMethodId, storeId, warehouseId, countryId, stateProvinceId, zip, weight);
if (shippingByWeightRecord == null)
{
if (_fixedOrByWeightSettings.LimitMethodsToCreated)
{
return(null);
}
return(decimal.Zero);
}
//additional fixed cost
var shippingTotal = shippingByWeightRecord.AdditionalFixedCost;
//charge amount per weight unit
if (shippingByWeightRecord.RatePerWeightUnit > decimal.Zero)
{
var weightRate = Math.Max(weight - shippingByWeightRecord.LowerWeightLimit, decimal.Zero);
shippingTotal += shippingByWeightRecord.RatePerWeightUnit * weightRate;
}
//percentage rate of subtotal
if (shippingByWeightRecord.PercentageRateOfSubtotal > decimal.Zero)
{
shippingTotal += Math.Round((decimal)((((float)subTotal) * ((float)shippingByWeightRecord.PercentageRateOfSubtotal)) / 100f), 2);
}
return(Math.Max(shippingTotal, decimal.Zero));
}