public IActionResult Edit(int id, CreateSaleViewModel editSale)
        {
            if (ModelState.IsValid)
            {
                Sale sale = _saleService.Edit(id, editSale);

                if (sale != null)
                {
                    return(RedirectToAction(nameof(Index)));
                }

                ModelState.AddModelError("msg", "Database problems");
            }

            return(View(editSale));
        }