/// <summary>
/// Converts a schedule into a cron expression.
/// </summary>
/// <param name="schedule">Schedule to convert to a cron expression.</param>
/// <returns>A cron expression of the schedule.</returns>
public static string ToCronExpression(ScheduleBase schedule)
{
schedule.ThrowIfInvalid();
var scheduleType = schedule.GetType();
if (scheduleType == typeof(IntervalSchedule))
{
var intervalSchedule = (IntervalSchedule)schedule;
if (intervalSchedule.Interval.TotalMinutes.Equals(1))
{
return "* * * * *";
}
else
{
return "*/" + intervalSchedule.Interval.TotalMinutes + " * * * *";
}
}
else if (scheduleType == typeof(HourlySchedule))
{
var hourlySchedule = (HourlySchedule)schedule;
return string.Format("{0} * * * *", hourlySchedule.Minute);
}
else if (scheduleType == typeof(DailyScheduleInUtc))
{
var dailySchedule = (DailyScheduleInUtc)schedule;
return string.Format("{0} {1} * * *", dailySchedule.Minute, dailySchedule.Hour);
}
else if (scheduleType == typeof(WeeklyScheduleInUtc))
{
var weeklySchedule = (WeeklyScheduleInUtc)schedule;
var daysOfWeekString = string.Join(",", weeklySchedule.DaysOfWeek.Select(_ => (int)_));
return string.Format("{0} {1} * * {2}", weeklySchedule.Minute, weeklySchedule.Hour, daysOfWeekString);
}
else if (scheduleType == typeof(MonthlyScheduleInUtc))
{
var monthlySchedule = (MonthlyScheduleInUtc)schedule;
var daysOfMonthString = string.Join(",", monthlySchedule.DaysOfMonth.Select(_ => (int)_));
return string.Format("{0} {1} {2} * *", monthlySchedule.Minute, monthlySchedule.Hour, daysOfMonthString);
}
else if (scheduleType == typeof(YearlyScheduleInUtc))
{
var yearlySchedule = (YearlyScheduleInUtc)schedule;
var daysOfMonthString = string.Join(",", yearlySchedule.DaysOfMonth.Select(_ => (int)_));
var monthsOfYearString = string.Join(",", yearlySchedule.MonthsOfYear.Select(_ => (int)_));
return string.Format(
"{0} {1} {2} {3} *",
yearlySchedule.Minute,
yearlySchedule.Hour,
daysOfMonthString,
monthsOfYearString);
}
else if (scheduleType == typeof(ExpressionSchedule))
{
var expressionSchedule = (ExpressionSchedule)schedule;
return expressionSchedule.CronExpression;
}
throw new NotSupportedException("Unsupported Schedule: " + scheduleType.AssemblyQualifiedName);
}
public static string ToCronExpression(ScheduleBase schedule)
{
schedule.ThrowIfInvalid();
var scheduleType = schedule.GetType();
if (scheduleType == typeof(IntervalSchedule))
{
var intervalSchedule = (IntervalSchedule)schedule;
if (intervalSchedule.Interval.TotalMinutes.Equals(1))
{
return("* * * * *");
}
else
{
return(FormattableString.Invariant($"*/{intervalSchedule.Interval.TotalMinutes} * * * *"));
}
}
else if (scheduleType == typeof(HourlySchedule))
{
var hourlySchedule = (HourlySchedule)schedule;
return(string.Format(CultureInfo.InvariantCulture, "{0} * * * *", hourlySchedule.Minute));
}
else if (scheduleType == typeof(DailyScheduleInUtc))
{
var dailySchedule = (DailyScheduleInUtc)schedule;
return(string.Format(CultureInfo.InvariantCulture, "{0} {1} * * *", dailySchedule.Minute, dailySchedule.Hour));
}
else if (scheduleType == typeof(WeeklyScheduleInUtc))
{
var weeklySchedule = (WeeklyScheduleInUtc)schedule;
var daysOfWeekString = string.Join(",", weeklySchedule.DaysOfWeek.Select(_ => (int)_));
return(string.Format(CultureInfo.InvariantCulture, "{0} {1} * * {2}", weeklySchedule.Minute, weeklySchedule.Hour, daysOfWeekString));
}
else if (scheduleType == typeof(MonthlyScheduleInUtc))
{
var monthlySchedule = (MonthlyScheduleInUtc)schedule;
var daysOfMonthString = string.Join(",", monthlySchedule.DaysOfMonth.Select(_ => (int)_));
return(string.Format(CultureInfo.InvariantCulture, "{0} {1} {2} * *", monthlySchedule.Minute, monthlySchedule.Hour, daysOfMonthString));
}
else if (scheduleType == typeof(YearlyScheduleInUtc))
{
var yearlySchedule = (YearlyScheduleInUtc)schedule;
var daysOfMonthString = string.Join(",", yearlySchedule.DaysOfMonth.Select(_ => (int)_));
var monthsOfYearString = string.Join(",", yearlySchedule.MonthsOfYear.Select(_ => (int)_));
return(string.Format(
CultureInfo.InvariantCulture,
"{0} {1} {2} {3} *",
yearlySchedule.Minute,
yearlySchedule.Hour,
daysOfMonthString,
monthsOfYearString));
}
else if (scheduleType == typeof(ExpressionSchedule))
{
var expressionSchedule = (ExpressionSchedule)schedule;
return(expressionSchedule.CronExpression);
}
throw new NotSupportedException("Unsupported Schedule: " + scheduleType.AssemblyQualifiedName);
}
