public async Task <IActionResult> AddToCart(int?id)
{
if (id == null)
{
return(NotFound());
}
Product product = await _db.Products.FindAsync(id);
if (product == null)
{
return(NotFound());
}
List <ProductCartVM> products;
string existingCart = Request.Cookies["cart"];
if (existingCart == null)
{
products = new List <ProductCartVM>();
}
else
{
products = JsonConvert.DeserializeObject <List <ProductCartVM> >(existingCart);
}
ProductCartVM existingProduct = products.FirstOrDefault(p => p.Id == id);
if (existingProduct == null)
{
ProductCartVM newPro = new ProductCartVM
{
Id = product.Id,
Image = product.Image,
Name = product.Name,
Price = product.Price,
Quantity = 1
};
products.Add(newPro);
}
else
{
existingProduct.Quantity++;
}
string cart = JsonConvert.SerializeObject(products);
Response.Cookies.Append("cart", cart, new CookieOptions {
MaxAge = TimeSpan.FromDays(14)
});
return(RedirectToAction(nameof(Index)));
}
public ActionResult CheckOut()
{
int _userId = (from s in db.Sessions select s.Id).FirstOrDefault();
if (_userId != 0)
{
double totalPrice = 0.0;
int totalQuantity = 0;
foreach (var c in cart)
{
totalQuantity += (int)c.prodQuan;
totalPrice += (double)c.prodPrice * (int)c.prodQuan;
var prodChange = (from x in db.Products where x.prodId == c.prodId select x).FirstOrDefault();
if (prodChange != null)
{
prodChange.prodQuan -= (int)c.prodQuan;
}
}
var query = (from x in db.Carts where x.Id == _userId select x);
foreach (var _c in query)
{
_c.totalPrice = totalPrice;
_c.totalQuantity = totalQuantity;
}
var pcs = new List <ProductCart>();
foreach (var c in cart)
{
ProductCart pc = new ProductCart()
{
productId = c.prodId,
cartId = _userId,
// Product = c,
checkoutDate = System.DateTime.Now,
quantityPurchased = c.prodQuan
};
pcs.Add(pc);
}
db.ProductCarts.AddRange(pcs);
db.SaveChanges();
User _user = (from u in db.Users where u.userId == _userId select u).FirstOrDefault();
//Buat ViewModels
pcVM = new ProductCartVM()
{
User = _user,
Products = cart.ToList(),
totalPrice = totalPrice,
totalQuantity = totalQuantity
};
//clear cart after checkout success
cart.Clear();
return(View("Invoice", pcVM));
}
else
{
return(RedirectToAction("AddToCart"));
}
}