public ActionResult <List <DietaryRestrictionViewModel> > ListUnDeleted()
        {
            var res = _bo.ListUnDeleted();

            if (!res.Success)
            {
                return(InternalServerError());
            }

            var list = new List <DietaryRestrictionViewModel>();

            foreach (var item in res.Result)
            {
                list.Add(DietaryRestrictionViewModel.Parse(item));
            }

            return(list);
        }