/// <summary>
/// Postpones a task by the specified duration.
/// </summary>
/// <param name="taskToPostpone">The task to postpone.</param>
/// <param name="postponeDuration">A timespan representing the duration to postpone the task.</param>
/// <returns></returns>
private Response PostponeTask(Task taskToPostpone, TimeSpan postponeDuration)
{
if (taskToPostpone.Postpone(postponeDuration) == false)
return new Response(Result.INVALID_TASK, sortType, this.GetType(), currentListedTasks);
else
executedTasks.Enqueue(taskToPostpone);
if (storageIO.UpdateTask(taskToPostpone))
return GenerateStandardSuccessResponse(taskToPostpone);
else
return GenerateXMLFailureResponse();
}
