private static string CreateTimeOfMonthValue(TimeSpan runTime, TimeOfMonthToRun timeOfMonthToRun, int dayToRun, int amountOfMonthsToRunAfter)
{
CronGenerationValueValidator.ValidateMonthsToRunAfter(amountOfMonthsToRunAfter);
if (timeOfMonthToRun != TimeOfMonthToRun.Last)
{
var day = ParseDayOfWeek(dayToRun);
var timeOfMonuthToRunIntValue = (int)timeOfMonthToRun;
return($"{ParseCronTimeSpan(runTime)} ? 1/{amountOfMonthsToRunAfter} {day}#{timeOfMonuthToRunIntValue} *");
}
else
{
var day = dayToRun + 1;
return($"{ParseCronTimeSpan(runTime)} ? 1/{amountOfMonthsToRunAfter} {day}L *");
}
}
/// <summary>
/// Generate a cron expression that runs at a set time of the month every x months
/// Example : A cron that will run run at 13:00 on the second Friday every 3 months
/// </summary>
/// <param name="runTime">Time that the cron will run</param>
/// <param name="timeOfMonthToRun">Period of the month the cron will run (Frst, Second, Thrid, Fourth, or Last)</param>
/// <param name="dayToRun">Day that the cron will run (0 - 6)</param>
/// <param name="amountOfMonthsToRunAfter">Time between months that the cron will run on (1-12)</param>
/// <returns>Cron experssion</returns>
public static string GenerateSetDayMonthlyCronExpression(TimeSpan runTime, TimeOfMonthToRun timeOfMonthToRun, int dayToRun, int amountOfMonthsToRunAfter)
{
return(CreateTimeOfMonthValue(runTime, timeOfMonthToRun, dayToRun, amountOfMonthsToRunAfter));
}
