public static TimeSlot GetNextTimeSlot(TimeTable Database)
{
List <TimeSlot> TimeSlots = Database.timeSlots;
TimeSlot Current = GetCurrentTimeSlot(Database);
if (Current == null)
{
return(null);
}
int NextIndex = TimeSlots.IndexOf(Current);
if (NextIndex + 1 >= TimeSlots.Count)
{
return(null);
}
return(TimeSlots[NextIndex + 1]);
}
public void RefreshTimeTable(object sender, EventArgs Args)
{
try
{
Database = UserIO.LoadStorage("Timetable");
if (Database == null)
{
throw new Exception();
}
Toast.MakeText(this.ApplicationContext, "Loaded Timetable.xml", ToastLength.Long).Show();
UpdateAll(null, null);
}
catch (Exception)
{
Toast.MakeText(this.ApplicationContext, "Unable to load Timetable.xml", ToastLength.Long).Show();
}
}
public static TimeSpan GetStartDateTimeSpan(TimeTable Database)
{
int ThisDay = DateTime.Now.DayOfYear;
int term_start = 0;
for (int i = 0; i < Database.CounterStart.Count; i++)
{
if ((ThisDay >= Database.CounterStart[i]) && (ThisDay <= Database.CounterEnd[i]))
{
term_start = Database.CounterStart[i];
break;
}
}
if (term_start == 0)
{
return(new TimeSpan(0));
}
int DayIndex = (ThisDay - term_start) % (Database.weeks * 7); //which day within the week it is
int Delta = DateTime.Now.DayOfYear - DayIndex; //What day of year is the preivous start of cycle
return(new TimeSpan(Delta - 1, 0, 0, 0));
}
//Returns null if none are current
public static TimeSlot GetCurrentTimeSlot(TimeTable Database)
{
List <TimeSlot> TimeSlots = Database.timeSlots;
TimeSlot Current = null;
DateTime Now = DateTime.Now;
TimeSpan Delta = GetStartDateTimeSpan(Database);
foreach (var item in TimeSlots)
{
DateTime Start = item.Start;
DateTime End = item.End;
Start += Delta;
Start = Start.AddYears(Now.Year - 1);
End += Delta;
End = End.AddYears(Now.Year - 1);
/*
* Start = Start.AddYears(Now.Year-1);
* Start = Start.AddMonths(Now.Month-1);
* Start = Start.AddDays(Now.Day-1);
*
* End = End.AddYears(Now.Year-1);
* End = End.AddMonths(Now.Month-1);
* End = End.AddDays(Now.Day-1);
*/
if ((DateTime.Compare(Start, Now) < 0) && (DateTime.Compare(Now, End) < 0))
{
Current = item;
break;
}
}
return(Current);
}