public Holidays GetHolidaysByStartDay(Holidays holidays)
 {
     return this.unitOfWork.HolidaysRepository.Get(h => h.StartDay == holidays.StartDay);
 }
 public void UpdateHolidays(Holidays holidays)
 {
     this.unitOfWork.HolidaysRepository.Update(holidays);
     this.SaveHolidays();
 }
 public void AddHolidays(Holidays holidays)
 {
     this.unitOfWork.HolidaysRepository.Add(holidays);
     this.SaveHolidays();
 }