public override decimal TotalUnits()
{
var periods = new List <Tuple <DateTime, DateTime> >();
var startTimeWithCharge = new DateTime(StartTimeWithCharge.Year, StartTimeWithCharge.Month, StartTimeWithCharge.Day, 8, 0, 0);
if (StartTimeWithCharge > new DateTime(StartTimeWithCharge.Year, StartTimeWithCharge.Month, StartTimeWithCharge.Day, 18, 0, 0))
{
// If the start time is after the end of the charge period then we move for the next day at 8 am
startTimeWithCharge = WeekHelper.MoveNextDay(startTimeWithCharge);
}
while (startTimeWithCharge < EndTimeWithCharge)
{
if (WeekHelper.IsWeekday(startTimeWithCharge))
{
//add range to end of day
periods.Add(Tuple.Create(startTimeWithCharge,
WeekHelper.MoveToEndOfDay(startTimeWithCharge)));
}
// move to next day at 8 am
startTimeWithCharge = WeekHelper.MoveNextDay(startTimeWithCharge);
}
return((decimal)ChargeCalculator.CalculatePeriod(periods, StartTimeWithCharge, EndTimeWithCharge));
}
private static void Main()
{
//Using a generic calculator as it seems more clean for the hardcode but can also use the method within the class
var calculator = new ChargeCalculator();
Console.WriteLine("A stay entirely outside of a chargeable period will return " + calculator.CalculateTotalCost(new ShortStayCharge(DateTime.Parse("03/05/2019 18:01:00"),
DateTime.Parse("03/05/2019 21:00:00"))));
Console.WriteLine("A short stay from 07/09/2017 16:50:00 to 09/09/2017 19:15:00 would cost " + calculator.CalculateTotalCost(new ShortStayCharge(DateTime.Parse("07/09/2017 16:50:00"), DateTime.Parse("09/09/2017 19:15:00"))));
Console.WriteLine("A long stay from 07/09/2017 07:50:00 to 09/09/2017 05:20:00 would cost " + calculator.CalculateTotalCost(new LongStayCharge(DateTime.Parse("07/09/2017 07:50:00"), DateTime.Parse("09/09/2017 05:20:00"))));
Console.ReadLine();
}
public void CalculateTotal(IChargeBase charge)
{
var calculator = new ChargeCalculator();
TotalCharge = calculator.CalculateTotalCost(charge);
}