public IActionResult Update(int quantity, int productID)
{
string cartID;
Guid trackingNumber;
if (Request.Cookies.TryGetValue("cartID", out cartID) && Guid.TryParse(cartID, out trackingNumber) && _context.Cart.Any(x => x.TrackingNumber == trackingNumber))
{
var c = _context.Cart
.Include(x => x.CartLineItems)
.ThenInclude(y => y.ProductConfiguration)
.ThenInclude(z => z.Product)
.Single(x => x.TrackingNumber == trackingNumber);
var cartItem = c.CartLineItems.Single(x => x.ProductConfiguration.ID == productID);
cartItem.Quantity = quantity;
if (cartItem.Quantity == 0)
{
_context.CartLineItem.Remove(cartItem);
}
_context.SaveChanges();
}
return(RedirectToAction("Index"));
}
public IActionResult Index(int id, int?size, int?color)
{
Guid cartID;
Cart c;
CartLineItem i;
if (Request.Cookies.ContainsKey("cartID") && Guid.TryParse(Request.Cookies["cartID"], out cartID) && _context.Cart.Any(x => x.TrackingNumber == cartID))
{
c = _context.Cart
.Include(x => x.CartLineItems)
.ThenInclude(y => y.ProductConfiguration)
.ThenInclude(z => z.Product)
.Single(x => x.TrackingNumber == cartID);
}
else
{
c = new Cart();
cartID = Guid.NewGuid();
c.TrackingNumber = cartID;
_context.Cart.Add(c);
}
if (User.Identity.IsAuthenticated)
{
c.User = _context.Users.Find(User.FindFirst(System.Security.Claims.ClaimTypes.NameIdentifier).Value);
}
i = c.CartLineItems.FirstOrDefault(x => x.ProductConfiguration.Product.ID == id && x.ProductConfiguration.ColorID == color && x.ProductConfiguration.SizeID == size);
if (i == null)
{
i = new CartLineItem();
i.Cart = c;
i.ProductConfiguration = _context.ProductConfiguration.Single(x => x.Product.ID == id && x.ColorID == color && x.SizeID == size);
c.CartLineItems.Add(i);
}
i.Quantity++;
_context.SaveChanges();
Response.Cookies.Append("cartID", c.TrackingNumber.ToString(),
new Microsoft.AspNetCore.Http.CookieOptions
{
Expires = DateTime.Now.AddYears(1)
});
return(RedirectToAction("Index", "Shipping"));
}
