public IActionResult Buy(string id)
{
ServiceProduct serviceProduct = new ServiceProduct();
if (SessionHelper.GetObjectFromJson <List <Item> >(HttpContext.Session, "cart") == null)
{
List <Item> cart = new List <Item>();
cart.Add(new Item {
Product = serviceProduct.FindProduct(id), Quantity = 1
});
SessionHelper.setObjectAsJson(HttpContext.Session, "cart", cart);
}
else
{
List <Item> cart = SessionHelper.GetObjectFromJson <List <Item> >(HttpContext.Session, "cart");
int index = isExist(id);
if (index != -1)
{
cart[index].Quantity++;
}
else
{
cart.Add(new Item {
Product = serviceProduct.FindProduct(id), Quantity = 1
});
}
SessionHelper.setObjectAsJson(HttpContext.Session, "cart", cart);
}
return(RedirectToAction("Index"));
}
