public Cart SaveShippingInfo(int catalogId, Address shippingAddress)
{
EntityFramework.Cart model = null;
// cannot create a cart without a session id
if (Context.SessionId == Guid.Empty)
{
return(null);
}
using (var db = eCommerce.Accessors.EntityFramework.eCommerceDbContext.Create())
{
model = db.Carts.Find(Context.SessionId);
if (model == null)
{
model = new EntityFramework.Cart();
db.Carts.Add(model);
}
DTOMapper.MapShipping(shippingAddress, model);
model.CatalogId = catalogId;
model.Id = Context.SessionId;
db.SaveChanges();
}
return(FindCart(catalogId, model.Id));
}
public Cart SaveCartItem(int catalogId, int productId, int quantity)
{
EntityFramework.Cart model = null;
// cannot create a cart without a session id
if (Context.SessionId == Guid.Empty)
{
return(null);
}
using (var db = eCommerce.Accessors.EntityFramework.eCommerceDbContext.Create())
{
model = db.Carts.Find(Context.SessionId);
if (model == null)
{
model = new EntityFramework.Cart();
model.CatalogId = catalogId;
model.Id = Context.SessionId;
db.Set <EntityFramework.Cart>().Add(model);
db.SaveChanges();
}
var cartItemModel = (from ci in db.CartItems where ci.CartId == Context.SessionId && ci.ProductId == productId select ci).FirstOrDefault();
if (quantity == 0)
{
if (cartItemModel != null)
{
// we need to remove this item
db.CartItems.Remove(cartItemModel);
}
}
else if (cartItemModel == null)
{
// we need to add this item
cartItemModel = new EntityFramework.CartItem();
cartItemModel.CartId = model.Id;
cartItemModel.CatalogId = catalogId;
cartItemModel.ProductId = productId;
db.CartItems.Add(cartItemModel);
}
if (cartItemModel != null)
{
cartItemModel.Quantity = quantity;
}
db.SaveChanges();
}
return(FindCart(catalogId, model.Id));
}
private Cart FindCart(int catalogId, Guid id)
{
Cart cart = null;
if (id != Guid.Empty)
{
using (var db = eCommerce.Accessors.EntityFramework.eCommerceDbContext.Create())
{
EntityFramework.Cart model = db.Carts.Find(id);
// gracefully handle situation where the cart id does not exist
// or there is a catalog id mismatch
if (model != null && model.CatalogId == catalogId)
{
cart = DTOMapper.Map <Cart>(model);
var cartItemModels = from ci in db.CartItems
join p in db.Products on ci.ProductId equals p.Id
where ci.CartId == cart.Id
select new { Model = ci, Name = p.Name };
var cartItems = new List <CartItem>();
foreach (var cim in cartItemModels)
{
var cartitem = DTOMapper.Map <CartItem>(cim.Model);
cartitem.ProductName = cim.Name;
cartItems.Add(cartitem);
}
cart.CartItems = cartItems.ToArray();
}
}
}
return(cart);
}
public bool DeleteCart(int catalogId)
{
bool result = false;
var sessionId = Context.SessionId;
if (sessionId != Guid.Empty)
{
using (var db = eCommerce.Accessors.EntityFramework.eCommerceDbContext.Create())
{
EntityFramework.Cart model = db.Carts.Find(sessionId);
// gracefully handle situation where the cart id does not exist
// or there is a catalog id mismatch
if (model != null && model.CatalogId == catalogId)
{
var cartItems = db.CartItems.Where(ci => ci.CartId == sessionId);
if (cartItems.Any())
{
foreach (var item in cartItems)
{
db.CartItems.Remove(item);
}
db.SaveChanges(); // delete so FK allows delete of carts
}
db.Carts.Remove(model);
}
db.SaveChanges();
result = true; // we deleted a cart
}
}
return(result);
}
public ActionResult AddToCart(long Id, int Quantity = 1)
{
if (CurrentUser != null)
{
var cart = db.Carts.FirstOrDefault(x => x.User.Id == CurrentUser.Id);
var product = db.Products.FirstOrDefault(x => x.Id == Id);
// User haven't already had cart
if (cart == null)
{
cart = new EntityFramework.Cart()
{
User = CurrentUser,
};
db.Carts.Add(cart);
db.SaveChanges();
}
if (product != null)
{
var cartItem = db.CartItems.FirstOrDefault(x => x.Cart.Id == cart.Id && x.Product.Id == Id);
if (cartItem == null)
{
cartItem = new CartItem()
{
Cart = cart,
Product = product,
Price = product.Price,
Quantity = Quantity,
};
db.CartItems.Add(cartItem);
}
else
{
cartItem.Quantity += Quantity;
}
db.SaveChanges();
var cartItems = db.CartItems.Where(x => x.Cart.Id == cart.Id).ToList();
return(Json(new CartResponseModel <UpdateCartModel>()
{
Result = true,
Message = "Thêm giỏ hàng thành công!",
Data = new UpdateCartModel()
{
Id = product.Id,
Image = product.Image1,
Price = string.Format("{0:0,0}", product.Price),
Quantity = cartItem.Quantity,
Url = "",
TotalQuantity = cartItems.Sum(x => x.Quantity),
TotalAmount = string.Format("{0:0,0}", cartItems.Sum(x => x.ItemAmount))
}
}, JsonRequestBehavior.AllowGet));
}
return(Json(new CartResponseModel()
{
Result = false, Message = "Sản phẩm đã bị xóa!"
}, JsonRequestBehavior.AllowGet));
}
return(Json(new CartResponseModel()
{
Result = false, Message = "Vui lòng đăng nhập!"
}, JsonRequestBehavior.AllowGet));
}
