public OrderCreateViewModel OrderCreateFactory(
Customer customer,
List<Product> products,
OrderCreateViewModel vm = null)
{
// Check if the view model exists, if not create new one
vm = vm ?? new OrderCreateViewModel();
// Assign the order details if it exists or create new one
vm.Order = vm.Order ?? new OrderViewModel();
// Products
var productsList = products.Select(
e => new OrderProductViewModel
{
ProductId = e.ProductId,
ProductName = e.ProductName,
Price = e.UnitPrice,
SupplierName = e.Supplier.CompanyName,
Qauntity = 0
}).ToList();
// Reassign products with proper quanities
vm.Products?.ForEach(e =>
{
if (e.Qauntity <= 0) return;
var orderProductViewModel = productsList.FirstOrDefault(x => x.ProductId == e.ProductId);
if (orderProductViewModel != null)
orderProductViewModel.Qauntity = e.Qauntity;
});
vm.Products = productsList;
vm.Customer = customer;
return vm;
}
public ActionResult SubmitOrder(OrderCreateViewModel vm)
{
// No Data was included, return with error
if (vm == null)
{
Danger("No data was included with your Submit Order Request");
return RedirectToAction("Oops", "Home");
}
try
{
// Model state is invalid, return with error
if (!ModelState.IsValid)
{
vm = new CustomerViewFactories().OrderCreateFactory(
_repo.GetCustomerById(vm.Customer.CustomerId),
_repo.GetProducts().ToList(),
vm
);
return View("CreateOrder", vm);
}
// Make a quantity list for the repo
var productList = new Dictionary<int, int>();
vm.Products.Where(e => e.Qauntity > 0).ForEach(e =>
{
productList.Add(e.ProductId, e.Qauntity);
});
// Create the Order
_repo.CreateProduct(
vm.Customer.CustomerId,
User.Identity.GetUserId(),
productList,
vm.Order.RequiredDate,
vm.Order.ShippedDate);
Success("The Order has been placed");
return RedirectToAction("Index","Customers");
}
catch (OrderNeedsProductsException)
{
Danger("No Products were included in your Add Order request");
}
catch (UserNotFoundException)
{
Danger("The User you are trying to attach to the Order request does not exist");
}
catch (CustomerNotFoundException)
{
Danger("The Customer you are trying to attach an Order to does not exist");
}
catch (ProductNotFoundException)
{
Danger("A Product you are trying to attach to an Order request does not exist");
}
// If we got here, something did not work
return RedirectToAction("Oops", "Home");
}