TvDatabase.TvBusinessLayer.GetRecordingTimes C# (CSharp) Method

    public List<Schedule> GetRecordingTimes(Schedule rec)
    {
      return GetRecordingTimes(rec, 10);
    }

 public DateTime GetNextWakeupTime(DateTime earliestWakeupTime)
 {
   TvBusinessLayer layer = new TvBusinessLayer();
   Schedule recSchedule = null;
   DateTime scheduleWakeupTime = DateTime.MaxValue;
   DateTime nextWakeuptime = DateTime.MaxValue;
   foreach (Schedule schedule in Schedule.ListAll())
   {
     if (schedule.Canceled != Schedule.MinSchedule) continue;
     List<Schedule> schedules = layer.GetRecordingTimes(schedule);
     if (schedules.Count > 0)
     {
       int i = 0;
       // Take first occurrence of this schedule if not a canceled serie
       while (i < schedules.Count)
       {
         recSchedule = schedules[i];
         if (!recSchedule.IsSerieIsCanceled(recSchedule.StartTime))
           break;
         i++;
       }
       if (recSchedule != null)
       {
         scheduleWakeupTime = recSchedule.StartTime.AddMinutes(-recSchedule.PreRecordInterval);
       }
     }
     if (recSchedule == null)
     {
       // manually determine schedule's wakeup time of no guide data is present
       scheduleWakeupTime = GetWakeupTime(schedule);
     }
     if (scheduleWakeupTime < nextWakeuptime && scheduleWakeupTime >= earliestWakeupTime)
       nextWakeuptime = scheduleWakeupTime;
   }
   return nextWakeuptime;
 }