public CalendarController(ICalendarService calendarService, IVacationDataService vacationService)
 {
     _calendarService = calendarService;
     _vacationService = vacationService;
 }
 public CalendarService(VacationCalendarContext context, IVacationDataService vacationService, IStaticListsService staticListsService)
 {
     _context            = context;
     _vacationService    = vacationService;
     _staticListsService = staticListsService;
 }