UWM Parking Garage Fee Calculator

Program.cs

using System;
class MainClass {
  public static void Main (string[] args) {
    DateTime start = DateTime.Now.Subtract(new TimeSpan(10,0,0)); //example starting time. Take our current time and subtract 10 hours from it.
    DateTime end = DateTime.Now; //the current time
    Console.WriteLine("Start Time: " + start.ToString());
    Console.WriteLine("End Time: " + end.ToString());
    Console.WriteLine("Price: $" + GetParkingCost(start, end));
  }
  
  public static double GetParkingCost(DateTime startTime, DateTime endTime) {
    TimeSpan timeDiff = endTime - startTime;
    TimeSpan firstHours;
    double cost = 0.0;
    
    //separate the first two hours from the rest of the time
    if (timeDiff.Hours < 2) {
      firstHours = timeDiff;
      timeDiff = new TimeSpan();
    } else {
      firstHours = new TimeSpan(2,0,0);
      timeDiff = timeDiff.Subtract(firstHours);
    }
    
    //calculate the initial cost from the first two hours. Rate: $1/30mins
    cost = firstHours.TotalMinutes / 30 * 1;

    //deal with the remainder time on an hourly basis. Rate: $1/hr
    if (timeDiff.TotalHours > 0.0) {
      if (startTime.DayOfWeek == DayOfWeek.Sunday) {
        cost += timeDiff.TotalHours * 1;
        cost = Math.Min(cost, 3);
      }
      else if (startTime.DayOfWeek == DayOfWeek.Saturday) {
        cost += timeDiff.TotalHours * 1;
        cost = Math.Min(cost, 5);
      }
      else {
        cost += timeDiff.TotalHours * 1;
        cost = Math.Min(cost, 12);
      }
    }
    
    return Math.Round(cost, 2);
  }
}