public void GetVolumeDiscount()
{
var lineItem = new LineItem(Defy)
{
Quantity = 30
};
var discount = _utilities.GetVolumeDiscount(lineItem);
Assert.IsNotNull(discount);
Assert.AreEqual(.9M, discount);
}
/// <summary>
/// adds line item to collection and recalculates totals
/// </summary>
/// <param name="line"></param>
public void AddLineItem(LineItem item)
{
item.Discount = _utilities.GetVolumeDiscount(item);
item.ItemTotal = Math.Round(item.Bike.Price * item.Discount * item.Quantity, 2);
this.LineItems.Add(item);
this.SubTotal = Math.Round(LineItems.Sum(l => l.ItemTotal), 2);
this.Tax = Math.Round(SubTotal * _utilities.GetSalesTaxRate(this.Company.Address), 2);
this.Total = Math.Round(SubTotal + Tax, 2);
}
