public int CompareTo(object obj)
{
TaskOccurrence otherOccurrence = obj as TaskOccurrence;
if (otherOccurrence == null)
{
throw new InvalidOperationException("Cannot compare to something that is not of the same type");
}
return(this.OccurrenceMoment.CompareTo(otherOccurrence.OccurrenceMoment));
}
private DateTime GetLastTimeTaskWasPerformed()
{
TaskOccurrence lastOccurence = this.taskOccurrences.LastOrDefault();
if (lastOccurence != null)
{
return(lastOccurence.OccurrenceMoment);
}
else
{
return(default(DateTime));
}
}