public async Task <IActionResult> Edit(int id, Sellers sellers)
        {
            if (!ModelState.IsValid)
            {
                var departments = await _departmentService.FindAllAsync();

                var viewModel = new SellersFormViewModel
                {
                    Sellers = sellers, Departments = departments
                };
                return(View(viewModel));
            }

            if (id != sellers.Id)
            {
                return(RedirectToAction(nameof(Error), new { message = "Id mismatch" }));;
            }

            try
            {
                await _sellersService.UpdateAsync(sellers);

                return(RedirectToAction(nameof(Index)));
            }

            catch (ApplicationException e)
            {
                return(RedirectToAction(nameof(Error), new { message = e.Message }));
            }
        }
        public async Task <IActionResult> Create()
        {
            var departments = await _departmentService.FindAllAsync();

            var viewModel = new SellersFormViewModel {
                Departments = departments
            };

            return(View(viewModel));
        }
        public async Task <IActionResult> Create(Sellers sellers)
        {
            if (!ModelState.IsValid)
            {
                var departments = await _departmentService.FindAllAsync();

                var viewModel = new SellersFormViewModel
                {
                    Sellers = sellers, Departments = departments
                };
                return(View(viewModel));
            }
            await _sellersService.InsertAsync(sellers);

            return(RedirectToAction(nameof(Index)));
        }
        public async Task <IActionResult> Edit(int?id)
        {
            if (id == null)
            {
                return(RedirectToAction(nameof(Error), new { message = "Id not provider" }));;
            }

            var obj = await _sellersService.FindByIdAsync(id.Value);

            if (obj == null)
            {
                return(RedirectToAction(nameof(Error), new { message = "Id not found" }));
            }

            List <Department> departments = await _departmentService.FindAllAsync();

            SellersFormViewModel viewModel = new SellersFormViewModel {
                Sellers = obj, Departments = departments
            };

            return(View(viewModel));
        }