ParcelCosting MakeParcelCosting(IParcel parcel, ParcelCostingParameters costParams)
{
var result = new ParcelCosting {
Parcel = parcel,
CostingType = costParams.CostingType,
ParcelCost = costParams.BaseCost
};
var overweight = parcel.Weight - costParams.MaxWeight;
if (overweight > 0)
{
result.ParcelCost += Math.Ceiling(overweight) * costParams.CostPerExtraKg;
}
return(result);
}
public IOrderCosting CalculateCosts(IOrder order)
{
var parcelCosts = order?.Parcels?.Select(CalculateParcelCost).ToList() ?? new List <ParcelCosting>();
parcelCosts.AddRange(CalculateBestDiscounts(parcelCosts));
if (order?.SpeedyShipping == true)
{
var speedyCost = new ParcelCosting {
ParcelCost = parcelCosts.Sum(p => p.ParcelCost),
CostingType = ParcelCostingType.SpeedyShipping
};
parcelCosts.Add(speedyCost);
}
return(new OrderCosting {
TotalCost = parcelCosts.Sum(p => p.ParcelCost),
ParcelCosts = parcelCosts
});
}
