public IActionResult Buy(int id)
{
Product product = new Product();
if (SessionExtensions.GetComplexData <List <Cart> >(HttpContext.Session, "cart") == null)
{
List <Cart> cart = new List <Cart>();
cart.Add(new Cart(_context.Products.Where(p => p.ProductId == id).ToList().ElementAt(0), 1));
SessionExtensions.SetComplexData(HttpContext.Session, "cart", cart);
ViewBag.cartCount = 1;
ViewData["cartCount"] = 1;
}
else
{
List <Cart> cart = SessionExtensions.GetComplexData <List <Cart> >(HttpContext.Session, "cart");
int index = isExist(id);
if (index != -1)
{
cart[index].Quantity++;
}
else
{
cart.Add(new Cart(_context.Products.Where(p => p.ProductId == id).ToList().ElementAt(0), 1));
}
SessionExtensions.SetComplexData(HttpContext.Session, "cart", cart);
ViewBag.cartCount = cart.Count;
}
return(RedirectToAction("Index", "Home"));
}
public IActionResult Remove(int id)
{
List <Cart> cart = SessionExtensions.GetComplexData <List <Cart> >(HttpContext.Session, "cart");
int index = isExist(id);
cart.RemoveAt(index);
SessionExtensions.SetComplexData(HttpContext.Session, "cart", cart);
return(RedirectToAction("Index"));
}
private int isExist(int id)
{
List <Cart> cart = SessionExtensions.GetComplexData <List <Cart> >(HttpContext.Session, "cart");
for (int i = 0; i < cart.Count; i++)
{
if (cart[i].Product.ProductId == id)
{
return(i);
}
}
return(-1);
}
public IActionResult Index()
{
var cart = SessionExtensions.GetComplexData <List <Cart> >(HttpContext.Session, "cart");
if (cart != null)
{
ViewBag.cart = cart;
ViewBag.total = cart.Sum(item => item.Product.Price * item.Quantity);
}
else
{
ViewBag.total = 0;
}
return(View(new CategoriesCart(_context.Categories.ToList(), cart)));
}
