public int AddToCart(IUnitOfWork unitOfWork, ICartService cartService, Product product)
{
var cartItem = cartService.ODataQueryable().SingleOrDefault(
c => c.CartId == ShoppingCartId
&& c.ProductId == product.Id);
if (cartItem == null)
{
cartItem = new Cart
{
CartId = ShoppingCartId,
ProductId = product.Id,
Count = 1,
DateCreated = DateTime.Now
};
cartService.Insert(cartItem);
}
else
{
cartItem.Count++;
cartService.Update(cartItem);
}
//save changes
unitOfWork.SaveChanges();
return cartItem.Count;
}
// remove item from cart
public int RemoveFromCart(IUnitOfWork unitOfWork, ICartService cartService, int productId)
{
var cartItem = cartService.ODataQueryable().Single(
c => c.CartId == ShoppingCartId
&& c.ProductId == productId);
//int itemCount = 0;
//if (cartItem != null)
//{
// if (cartItem.Count > 1)
// {
// cartItem.Count--;
// itemCount = cartItem.Count;
// cartService.Update(cartItem);
// }
// else
// {
cartService.Delete(cartItem);
//}
unitOfWork.SaveChanges();
//}
return 0;
}
// update cart
public int UpdateCart(IUnitOfWork unitOfWork, ICartService cartService, int itemId, int quantity)
{
var cartItem = cartService.ODataQueryable().Single(
c => c.CartId == ShoppingCartId
&& c.ProductId == itemId);
if (cartItem != null && cartItem.Count > 0)
{
if (quantity.Equals(0))
cartService.Delete(cartItem);
else
{
cartItem.Count = quantity;
cartService.Update(cartItem);
}
unitOfWork.SaveChanges();
}
return quantity;
}
public void MigrateCart(IUnitOfWork unitOfWork, ICartService cartService, string userName)
{
var shoppingCart = cartService.ODataQueryable().Where(x => x.CartId == ShoppingCartId);
foreach (var item in shoppingCart)
{
item.CartId = userName;
}
unitOfWork.SaveChanges();
}
public decimal GetTotal(ICartService cartService)
{
decimal? total = (from k in cartService.ODataQueryable()
where k.CartId == ShoppingCartId
select (int?)k.Count * k.Product.Price).Sum();
return total ?? decimal.Zero;
}
public int GetCount(ICartService cartService)
{
int? count = cartService.ODataQueryable().Where(x => x.CartId == ShoppingCartId).Count();
return count ?? 0;
}
public List<Cart> GetCartItems(ICartService cartService, IProductService productService, ICategoryService categoryService)
{
var results = new List<Cart>();
var cartItems = cartService.ODataQueryable().Where(x => x.CartId == ShoppingCartId).ToList();
foreach (var item in cartItems)
{
item.Product = productService.GetProductById(item.ProductId);
item.CategoryAlias = categoryService.GetCategoryById(item.Product.CategoryId).Alias;
results.Add(item);
}
return results;
}
// empty cart
public void EmptyCart(IUnitOfWork unitOfWork, ICartService cartService)
{
var cartItems = cartService.ODataQueryable().Where(x => x.CartId == ShoppingCartId);
foreach (var cartItem in cartItems)
{
cartService.Delete(cartItem);
}
unitOfWork.SaveChanges();
}
