public async Task <bool> TransferSessionCartToAccountCart(string username, ISession session)
{
var sessionCart =
SessionExtensions.GetObjectFromJson <ShoppingCartViewModel>(session, GlobalConstants.ShoppingCartSession);
if (sessionCart == null)
{
// this happens if the cart is not being used as a session
return(false);
}
string shoppingCartId = await this.GetOrCreateUserShoppingCartByUsername(username);
var products = AutoMapper.Mapper.Map <List <ShoppingCartProduct> >(sessionCart.Products);
products.ForEach(p => p.ShoppingCartId = shoppingCartId);
// Remove the user previously added products to the cart and add the new session ones.
var productToRemove = await this.context
.ShoppingCartProducts
.Where(x => x.ShoppingCartId == shoppingCartId)
.ToArrayAsync();
this.context.ShoppingCartProducts.RemoveRange(productToRemove);
await this.context.ShoppingCartProducts.AddRangeAsync(products);
var result = await this.context.SaveChangesAsync();
return(result > 0);
}
public ShoppingCartViewModel GetOrCreateSessionCart(ISession session)
{
var sessionCart =
SessionExtensions.GetObjectFromJson <ShoppingCartViewModel>(session, GlobalConstants.ShoppingCartSession);
if (sessionCart == null)
{
sessionCart = new ShoppingCartViewModel();
}
if (sessionCart.Products == null)
{
sessionCart.Products = new List <ShoppingCartProductViewModel>();
}
return(sessionCart);
}