public ActionResult Add()
        {
            var viewModel = new UnitsBaseViewModel();

            viewModel.Init(_unitsRepository);

            return(View(viewModel));
        }
        public ActionResult Add(UnitsBaseViewModel viewModel)
        {
            if (ModelState.IsValid)
            {
                var unit = viewModel.Unit;

                _unitsRepository.Add(unit);

                TempData["Message"] = "L'unité a été ajouté correctement.";

                return(RedirectToAction("Index", "Inventories"));
            }

            viewModel.Init(_unitsRepository);

            return(View(viewModel));
        }