public static ReceiptModel Calculate(decimal dayRate, ParkingTimeModel parkingTime)
{
var calenderDays = parkingTime.GetCalendarDaysParked();
var price = dayRate * (decimal)calenderDays;
return(new ReceiptModel()
{
RateName = string.Format("Day Rate - {0} Calendar Day(s)", calenderDays),
Details = parkingTime,
Price = price,
});
}
public static ReceiptModel GetRates(DateTime entry, DateTime exit)
{
var rates = ParkingRatesProvider.GetRates();
var times = new ParkingTimeModel()
{
Entry = entry,
Exit = exit,
};
return(rates.Calculate(times));
}
public static ReceiptModel Calculate(this IEnumerable <StandardRatePriceModel> rates, ParkingTimeModel parkingTime)
{
// the order of the rules dictates which one should be chosen
// if there are multiple matches, ie take the first one
var match = rates
.OrderBy(r => r.UpToHours)
.Where(r => r.IsMatch(parkingTime))
.FirstOrDefault();
return(match == null
? null
: new ReceiptModel()
{
RateName = string.Format("Standard Rate Up To {0} Hour(s)", match.UpToHours),
Details = parkingTime,
Price = match.Price,
});
}