public static bool IsMatch(this FlatRatePriceModel rate, ParkingTimeModel parkingTimes)
{
var entryMatch = rate.EntryTimeRange.MatchesHourRange(parkingTimes.Entry);
var exitMatch = rate.ExitTimeRange.MatchesHourRange(parkingTimes.Exit);
var exitRuleMatch = rate.PassesExitTimeRule(parkingTimes);
return(entryMatch && exitMatch && exitRuleMatch);
}
public static bool PassesExitTimeRule(this FlatRatePriceModel rate, ParkingTimeModel parkingTimes)
{
switch (rate.ExitTimeRule)
{
case TimeRangeRule.SAMEDAY:
return(parkingTimes.Entry.Date == parkingTimes.Exit.Date);
case TimeRangeRule.SAMEORNEXTDAY:
return(parkingTimes.Entry.Date == parkingTimes.Exit.Date || parkingTimes.Entry.AddDays(1).Date == parkingTimes.Exit.Date);
default:
return(true);
}
}
/// <summary>
/// Calculates the price for parking based on the rates provided and the time the customer was parked.
/// The customer's parking times will be matched against the rules for rates and the best one will be used to calculate a price
/// </summary>
/// <param name="rates">Rates should be in preferred order, if there is overlap then the first match will be used.
/// Flat rates get precedence over standard rates.</param>
/// <param name="parkingTime">The start and end times of the parking event</param>
/// <returns></returns>
public static ReceiptModel Calculate(this RatesModel rates, ParkingTimeModel parkingTime)
{
if (parkingTime.Entry > parkingTime.Exit)
{
throw new Exception("Exit time cannot be before entry time!");
}
// TODO any other validation here
return
// first check for a matching flat rate
(rates.FlatRates.Calculate(parkingTime)
// ok, now do we match a standard rate?
?? rates.StandardRates.Calculate(parkingTime)
// no matches to any rates, fall back to the day rate
?? DayRateCalculator.Calculate(rates.DefaultRatePerDay, parkingTime));
}
public static double GetHoursParked(this ParkingTimeModel parkingTimes)
{
return((parkingTimes.Exit - parkingTimes.Entry).TotalHours);
}
public static double GetCalendarDaysParked(this ParkingTimeModel parkingTimes)
{
return((parkingTimes.Exit.Date - parkingTimes.Entry.Date).TotalDays + 1);
}
public static bool IsMatch(this StandardRatePriceModel rate, ParkingTimeModel parkingTimes)
{
return(parkingTimes.GetHoursParked() <= rate.UpToHours);
}