public static SchedulerPlanning CreatePlan()
{
SchedulerPlanning p = new SchedulerPlanning();
p.Planning = SchedulerPlanningType.None;
return(p);
}
public static SchedulerPlanning CreatePlan(DateTime OneTime)
{
SchedulerPlanning p = new SchedulerPlanning();
p.Planning = SchedulerPlanningType.OneTime;
p.StartDate = OneTime;
return(p);
}
public static SchedulerPlanning CreatePlan(DateTime StartTime, int RecurrenceDays)
{
SchedulerPlanning p = new SchedulerPlanning();
p.Planning = SchedulerPlanningType.Daily;
p.StartDate = StartTime;
p.Recurrence = RecurrenceDays;
return(p);
}
public static SchedulerPlanning CreatePlan(DateTime StartTime, List <int> Days, List <int> Months)
{
SchedulerPlanning p = new SchedulerPlanning();
p.Planning = SchedulerPlanningType.Monthly;
p.StartDate = StartTime;
p.RecurInMonths = Months;
p.RecurInDay = Days;
return(p);
}
public static SchedulerPlanning CreatePlan(DateTime StartTime, int RecurrenceWeeks, List <DayOfWeek> Days)
{
SchedulerPlanning p = new SchedulerPlanning();
p.Planning = SchedulerPlanningType.Weekly;
p.StartDate = StartTime;
p.Recurrence = RecurrenceWeeks;
p.RecurInWeekDays = Days;
return(p);
}
public static string Explain(SchedulerPlanning Plan)
{
if (Plan == null)
{
Plan = Scheduler.Nix;
}
string s = "<Invalid>";
switch (Plan.Planning)
{
case SchedulerPlanningType.None:
s = "No schedule";
break;
case SchedulerPlanningType.OneTime:
s = "Once at " + Plan.StartDate.ToLocalTime().ToLongDateString() + " " + Plan.StartDate.ToLocalTime().ToLongTimeString();
break;
case SchedulerPlanningType.Daily:
if (Plan.Recurrence == null)
{
break;
}
s = "Starting from " + Plan.StartDate.ToLocalTime().ToLongDateString() + " " + Plan.StartDate.ToLocalTime().ToLongTimeString() + ", every " +
Plan.Recurrence.ToString() + " day" + (Plan.Recurrence == 1 ? "" : "s");
break;
case SchedulerPlanningType.Weekly:
if (Plan.Recurrence == null)
{
break;
}
if (Plan.RecurInWeekDays == null || Plan.RecurInWeekDays.Count == 0)
{
break;
}
s = "Starting from " + Plan.StartDate.ToLocalTime().ToLongDateString() + " " + Plan.StartDate.ToLocalTime().ToLongTimeString() + ", every " +
Plan.Recurrence.ToString() + " week" + (Plan.Recurrence == 1 ? "" : "s") + " on ";
foreach (DayOfWeek dow in Plan.RecurInWeekDays)
{
s += Thread.CurrentThread.CurrentCulture.DateTimeFormat.GetDayName(dow) + ", ";
}
if (s.EndsWith(", ") == true)
{
s = s.Substring(0, s.Length - 2);
}
break;
case SchedulerPlanningType.Monthly:
if (Plan.RecurInDay == null || Plan.RecurInDay.Count == 0)
{
break;
}
if (Plan.RecurInMonths == null || Plan.RecurInMonths.Count == 0)
{
break;
}
s = "Starting from " + Plan.StartDate.ToLocalTime().ToLongDateString() + " " + Plan.StartDate.ToLocalTime().ToLongTimeString() + ", every ";
foreach (int Month in Plan.RecurInMonths)
{
s += Thread.CurrentThread.CurrentCulture.DateTimeFormat.GetMonthName(Month) + ", ";
}
if (s.EndsWith(", ") == true)
{
s = s.Substring(0, s.Length - 2);
}
s += " on these day" + (Plan.RecurInDay.Count == 1 ? "" : "s") + " ";
foreach (int days in Plan.RecurInDay)
{
s += days.ToString() + ", ";
}
if (s.EndsWith(", ") == true)
{
s = s.Substring(0, s.Length - 2);
}
break;
}
return(s);
}
public static DateTime?GetNextRunDate(DateTime LastRunTime, SchedulerPlanning Plan)
{
if (Plan.Planning == SchedulerPlanningType.None)
{
return(null);
}
if (Plan.Planning == SchedulerPlanningType.OneTime)
{
if (Plan.StartDate >= LastRunTime)
{
return(Plan.StartDate);
}
return(null);
}
if (Plan.Planning == SchedulerPlanningType.Daily)
{
if (Plan.StartDate >= LastRunTime)
{
return(Plan.StartDate);
}
if (Plan.Recurrence == null || Plan.Recurrence < 1)
{
return(null);
}
DateTime DT = Plan.StartDate;
while (LastRunTime >= DT)
{
DT = DT.AddDays(Plan.Recurrence.Value);
}
return(DT);
}
if (Plan.Planning == SchedulerPlanningType.Weekly)
{
if (Plan.StartDate >= LastRunTime)
{
return(SetToNextDay(Plan.StartDate.AddDays(-1), Plan.RecurInWeekDays));
}
if (Plan.Recurrence == null || Plan.Recurrence < 1)
{
return(null);
}
DateTime DT = Plan.StartDate;
if (SetToNextDay(DT, Plan.RecurInWeekDays) == null)
{
return(null);
}
DT = SetToNextDay(DT, Plan.RecurInWeekDays).Value;
int CurrentWeekNumber = GetWeekNumber(DT);
while (LastRunTime >= DT)
{
DateTime nDT = SetToNextDay(DT, Plan.RecurInWeekDays).Value;
if (CurrentWeekNumber != GetWeekNumber(nDT))
{
switch (nDT.DayOfWeek)
{
case DayOfWeek.Monday: nDT = nDT.AddDays(7); break;
case DayOfWeek.Tuesday: nDT = nDT.AddDays(6); break;
case DayOfWeek.Wednesday: nDT = nDT.AddDays(5); break;
case DayOfWeek.Thursday: nDT = nDT.AddDays(4); break;
case DayOfWeek.Friday: nDT = nDT.AddDays(3); break;
case DayOfWeek.Saturday: nDT = nDT.AddDays(2); break;
case DayOfWeek.Sunday: nDT = nDT.AddDays(1); break;
}
nDT = nDT.AddDays(7 * (Plan.Recurrence.Value - 1));
nDT = nDT.AddDays(-1);
nDT = SetToNextDay(nDT, Plan.RecurInWeekDays).Value;
DT = nDT;
}
else
{
DT = nDT;
}
}
return(DT);
}
if (Plan.Planning == SchedulerPlanningType.Monthly)
{
if (Plan.StartDate >= LastRunTime)
{
return(SetToNextDay(Plan.StartDate.AddDays(-1), Plan.RecurInDay, Plan.RecurInMonths));
}
DateTime DT = Plan.StartDate;
if (SetToNextDay(DT, Plan.RecurInDay, Plan.RecurInMonths) == null)
{
return(null);
}
while (LastRunTime >= DT)
{
DT = SetToNextDay(DT, Plan.RecurInDay, Plan.RecurInMonths).Value;
}
return(DT);
}
return(null);
}
