public IActionResult Absences()
        {
            var personDB   = AbsenceTracker.GetPerson(User.Id());
            var absencesDB = AbsenceTracker.GetAbsences(personDB.Id);
            var absences   = absencesDB.Select(_ => new AbsenceModel()
            {
                AbsenceType    = _.AbsenceType.ToString(),
                EffectiveFrom  = _.EffectiveFrom,
                WorkDaysTotal  = _.WorkDaysTotal,
                IsSingleDay    = _.IsSingleWorkDay,
                WorkHoursTotal = _.WorkHoursTotal
            }).ToList();

            return(View(absences));
        }