public void EditItem(EditItemViewModel model)
 {
     var original = _itemService.GetItem(model.Id);
     original.Name = model.Name;
     original.Description = model.Description;
     original.Loaner = model.Loaner;
 }
        public ActionResult Edit(EditItemViewModel viewModel, EditItemModel model)
        {
            model.EditItem(viewModel);

            return RedirectToAction("Index");
        }