/**
  * Edit or create a schedule with its entered information.
  * If $scheduleId is null create a new schedule, otherwise the schedule specified by $scheduleId will be edit. 
  *
  * @param int $scheduleId
  * @return Schedule newSchedule
  */
 private function editSchedule($scheduleId)
 {
     $schedule = ScheduleController::editSchedule($scheduleId);
     $schedule->schdl_title = Input::get('title');
     $schedule->schdl_time_preparation_start = null;
     return $schedule;
 }
 /**
  * Edit or create a schedule with its entered information.
  * If $scheduleId is null create a new schedule, otherwise the schedule specified by $scheduleId will be edit. 
  *
  * @param int $scheduleId
  * @return Schedule newSchedule
  */
 private function editSchedule($scheduleId)
 {
     $schedule = ScheduleController::editSchedule($scheduleId);
     $schedule->schdl_due_date = null;
     return $schedule;
 }