public CheckoutDataBaseJsonResult GetCheckoutData()

in src/Feature/Cart/code/Repositories/CheckoutRepository.cs [56:104]
40 lines of code
10 McCabe index (conditional complexity)

        public CheckoutDataBaseJsonResult GetCheckoutData(User user)
        {
            var result = new CheckoutDataBaseJsonResult();
            var response = this._cartManager.GetCurrentCart(CurrentStorefront, CurrentVisitorContext, true);

            if (response.ServiceProviderResult.Success && response.Result != null)
            {
                var cart = (CommerceCart)response.ServiceProviderResult.Cart;

                if (cart.Lines != null && cart.Lines.Any())
                {
                    result.Cart = new CSCartBaseJsonResult(response.ServiceProviderResult);
                    result.Cart.Initialize(response.ServiceProviderResult.Cart, _productResolver);
                    result.ShippingMethods = new List<ShippingMethod>();
                    result.CartLoyaltyCardNumber = cart.LoyaltyCardID;
                    result.CurrencyCode = StorefrontManager.GetCustomerCurrency();
                    this.AddShippingOptionsToResult(result, cart);

                    if (result.Success)
                    {
                        this.AddShippingMethodsToResult(result);

                        if (result.Success)
                        {
                            this.GetAvailableCountries(result);

                            if (result.Success)
                            {
                                this.GetPaymentOptions(result);

                                if (result.Success)
                                {
                                    this.GetPaymentMethods(result);

                                    if (result.Success)
                                    {
                                        this.GetUserInfo(result, user);
                                    }
                                }
                            }
                        }
                    }
                }
            }

            result.SetErrors(response.ServiceProviderResult);

            return result;
        }