public async Task <IActionResult> Index()
{
var currentUser = await GetCurrentLoggedInUser();
if (currentUser == null)
{
// not logged in
// take out the shopping cart data from cookie
List <AddItemViewModel> ShoppingCartLineItems = new List <AddItemViewModel>();
if (HttpContext.Request.Cookies["GunplaShopShoppingCart"] != null)
{
// extract items from cookie if exists
string shoppingCartCookie = HttpContext.Request.Cookies["GunplaShopShoppingCart"];
// deserialize the cookie
ShoppingCartLineItems = JsonSerializer.Deserialize <List <AddItemViewModel> >(shoppingCartCookie);
}
var upgrade = new ShoppingCartViewModel(_context, ShoppingCartLineItems);
var model = new CartItemsPassViewModel();
foreach (var item in upgrade.ShoppingCartItems)
{
model.ShoppingCartItems.Add(new ShoppingCartItem
{
ItemId = item.ItemId,
Item = item.Item,
Quantity = item.Quantity,
Total = item.Total
});
}
model.Total = upgrade.Total;
return(View(model));
}
else
{
// logged in
var upgrade = new ShoppingCartViewModel(_context, currentUser.Id);
var model = new CartItemsPassViewModel();
foreach (var item in upgrade.ShoppingCartItems)
{
model.ShoppingCartItems.Add(new ShoppingCartItem
{
ItemId = item.ItemId,
Item = item.Item,
Quantity = item.Quantity,
Total = item.Total
});
}
model.Total = upgrade.Total;
return(View(model));
}
}
public async Task <IActionResult> UpdateCart(CartItemsPassViewModel model)
{
List <AddItemViewModel> ShoppingCartLineItems = new List <AddItemViewModel>();
if (ModelState.IsValid)
{
var customer = await GetCurrentLoggedInUser();
if (customer == null)
{
foreach (var ShoppingCartItem in model.ShoppingCartItems)
{
if (ShoppingCartItem.Quantity > 0)
{
ShoppingCartLineItems.Add(new AddItemViewModel
{
ItemId = ShoppingCartItem.ItemId,
Quantity = ShoppingCartItem.Quantity,
});
}
}
CookieOptions option = new CookieOptions();
option.Expires = DateTime.Now.AddDays(3);
option.HttpOnly = true;
HttpContext.Response.Cookies.Append("GunplaShopShoppingCart", JsonSerializer.Serialize(ShoppingCartLineItems), option);
}
else
{
foreach (var shoppingCartItem in model.ShoppingCartItems)
{
if (await _context.Items.FindAsync(shoppingCartItem.ItemId) == null)
{
continue;
}
var scli = _context.ShoppingCartLineItems
.Where(li => li.CustomerId == customer.Id &&
li.ItemId == shoppingCartItem.ItemId)
.FirstOrDefault();
if (scli != null)
{
if (shoppingCartItem.Quantity > 0)
{
scli.Quantity = shoppingCartItem.Quantity;
}
else // delete CartItem from db since quantity is <=0
{
_context.ShoppingCartLineItems.Remove(scli);
}
}
else
{
_context.ShoppingCartLineItems.Add(new ShoppingCartLineItem
{
ItemId = shoppingCartItem.ItemId,
Quantity = shoppingCartItem.Quantity,
CustomerId = customer.Id
});
}
}
await _context.SaveChangesAsync();
HttpContext.Response.Cookies.Delete("GunplaShopShoppingCart");
}
}
return(RedirectToAction("Index"));
}
