public BookOrder ApplyFamilyDiscount(BookOrder bookOrder, RentType rentType)
{
if (IsFamilyDiscount(bookOrder))
{
// we change the value of the object bookOrder using reflection to avoid create a new object
double bookOrderWithDiscount = (bookOrder.Price * bookOrder.Bikes.Count()) - ((bookOrder.Price * bookOrder.Bikes.Count()) * DISCOUNT);
bookOrder.GetType().GetProperty("Price").SetValue(bookOrder, bookOrderWithDiscount, null);
//we assign True to field ApplyFamilyDiscount
bookOrder.GetType().GetProperty("ApplyFamilyDiscount").SetValue(bookOrder, true, null);
return(bookOrder);
}
else
{
return(bookOrder);
}
}
public string BookNewOrder(BookOrder bookOrder)
{
string recordSaved;
try
{
if (IsFamilyDiscount(bookOrder))
{
BookOrder bookOrderWithDiscount = ApplyFamilyDiscount(bookOrder, bookOrder.RentalType);
recordSaved = Save(bookOrderWithDiscount);
}
else
{
recordSaved = Save(bookOrder);
}
return(recordSaved);
}
catch (Exception exception)
{
throw new NotImplementedException();
}
}
public string Save(BookOrder bookOrder)
{
return(String.Format("Record saved, Customer {0} has rented the quantity of {1} bikes, for this price: {2}$. Apply Family Discount: {3}", bookOrder.Customer.Name, bookOrder.Bikes.Count(), bookOrder.Price, bookOrder.ApplyFamilyDiscount));
}