public IActionResult EditDay(int weekId, DaysOfWeek dayName) { try { var model = _repository.GetDay(weekId, dayName); if (model == null) { model = _repository.AddDay(new Day { WeekId = weekId, DayName = dayName }); } else { _repository.DeleteCalculationsByDay(model); } return(View(model)); } catch (Exception ex) { return(View("Error", ex)); } }