/// <summary>
/// Calculates the NextRunAt based on the DateTime.Now property.
/// </summary>
/// <param name="isFirstRun">If true, this task will run for the first time. (Is being scheduled.)</param>
/// <returns>True, if a new run time was calculated.</returns>
public override bool UpdateNextRunAt(bool isFirstRun)
{
var now = DateTime.Now;
// If this task was never executed, or if it was executed long time ago.
if (LatstExecutionTime < now.AddMinutes(-(MinutesBetweenRuns * 2)))
{
// Long time ago, so schedule it for now.
LatstExecutionTime = now.AddMinutes(-MinutesBetweenRuns);
// If the RunAt is set to something in the future, use it.
if (LatstExecutionTime < RunAt)
{
LatstExecutionTime = RunAt.AddMinutes(-MinutesBetweenRuns);
}
}
var atTime = LatstExecutionTime.AddMinutes(MinutesBetweenRuns);
// We missed the time, lets do it later.
while (now > atTime)
{
atTime = atTime.AddMinutes(MinutesBetweenRuns);
}
NextRunAt = atTime;
return(true);
}
