public ActionResult Index(ShoppingCartViewModel model)
{
if (ModelState.IsValid)
{
return RedirectToAction("Finish");
}
return View(model);
}
private ShoppingCartViewModel GetCart()
{
ShoppingCartViewModel cart = (ShoppingCartViewModel)Session[CartSessionKey];
if (cart == null)
{
cart = new ShoppingCartViewModel();
Session[CartSessionKey] = cart;
}
return cart;
}
private void CleanCart()
{
Session[CartSessionKey] = new ShoppingCartViewModel();
}
private ActionResult GetCartJson(ShoppingCartViewModel cart)
{
return Json(new { ProductIds = cart.Items.Select(item => item.Product.Id) });
}