/// <summary>
        /// Gets the cart items.
        /// Apply Discount promo to cart items if required
        /// </summary>
        /// <param name="cartId"></param>
        /// <param name="currencyId">The currency identifier.</param>
        /// <param name="promoCodeValue"></param>
        /// <param name="isMobile"></param>
        /// <returns></returns>
        public List<ShoppingCartItemDto> GetCartItems(int cartId, int currencyId, string promoCodeValue = null, bool isMobile = false)
        {
            var shoppingcartitems = new List<ShoppingCartItemDto>();
            var shoppiningCartItems = _bookingService.GetShoppingCartItems(cartId);
            try
            {
                string displayCurrencyCode = DataAccess.DataAccess.GetCurrency(currencyId).Label;

                var userPromoCodes = DataAccess.DataAccess.GetPromoCodeDiscountList(promoCodeValue);

                foreach (var item in shoppiningCartItems)
                {
                    AppLogger.Debug("item serialized: " + JsonConvert.SerializeObject(item));
                    //set the productprice and salesprice
                    var paxChild = item.totChild ?? 0;
                    var paxInfants = item.totInfants ?? 0;

                    //get option price (use cache value if available)
                    var tourOptionPriceCondition = DataAccess.DataAccess.GetTourOptionTotalPrice(item.totAdults, paxChild, 0, paxInfants, item.PriceId, item.TourDate, true);
                    var origProductPrice = tourOptionPriceCondition.Totalprice;
                    AppLogger.Debug($"[Checkout.GetCartItems] GetTourOptionTotalPrice.Totalprice: '{tourOptionPriceCondition.Totalprice:0.00}'");
                    var totalProductPrice = userPromoCodes.Any()
                        ? userPromoCodes.ApplyDiscount2Price(item.ProductId, tourOptionPriceCondition.Totalprice)
                        : tourOptionPriceCondition.Totalprice;
                    item.BookingDiscount = Convert.ToDecimal(Math.Round((origProductPrice - totalProductPrice), 2));
                    item.PromoCode = promoCodeValue;
                    AppLogger.Debug($"+ ProductPriceDiscount: '{item.BookingDiscount:0.00}'");
                    item.ProductPrice = (decimal)totalProductPrice;
                    item.SalePrice = (decimal)DataAccess.DataAccess.MultiCurrency((double)item.ProductPrice, item.ProductCurrency, displayCurrencyCode);
                    item.SalesCurrency = displayCurrencyCode;

                    var priceInfo = new ProductPriceDto
                    {
                        PriceId = item.PriceId,
                        ProductPrices = Helper.FormatAllCurrenciesAndConvert((double)item.ProductPrice, item.ProductCurrency),
                        ProductSalesPrices = Helper.FormatAllCurrenciesAndConvert((double)item.SalePrice, item.SalesCurrency),
                        TotAdults = item.totAdults,
                        TotChild = item.totChild ?? 0,
                        TotInfants = item.totInfants ?? 0,
                        SalePricesDiscount = Helper.FormatAllCurrenciesAndConvert(DataAccess.DataAccess.MultiCurrency((double)item.BookingDiscount, item.ProductCurrency, item.SalesCurrency), item.SalesCurrency)
                    };
                    AppLogger.Info("priceInfo: " + JsonConvert.SerializeObject(priceInfo));
                    var content = _umbracoService.GetUmbracoCache();
                    var tourDetail = content.XPathSelectElement($"tours/tour[@id={item.externalId}]");
                    AppLogger.Info("tourDetail: " + JsonConvert.SerializeObject(priceInfo));
                    var cwWebSvr = new DataAccess.websrvCW.ServiceClient();
                    var tourData = cwWebSvr.getTourListFullCW_DateSearch(_citywondersSiteId, item.ProductId.ToString(), DateTime.MinValue, DateTime.MaxValue, DefaultUserId, RomeCityId, VaticanFlag).FirstOrDefault();
                    AppLogger.Info("tourData: " + tourData);
                    if (tourDetail != null)
                    {
                        priceInfo.SaleStrikeoutTotalPricesAdult = Helper.FormatAllCurrenciesAndConvert(tourDetail.XPathSelectElement("saleStrikeoutPriceAdult").Parse<double>() * (double)priceInfo.TotAdults, item.ProductCurrency);
                        priceInfo.SaleStrikeoutTotalPricesChild = Helper.FormatAllCurrenciesAndConvert(tourDetail.XPathSelectElement("saleStrikeoutPriceChild").Parse<double>() * (double)priceInfo.TotChild, item.ProductCurrency);
                        priceInfo.SaleStrikeoutTotalPricesInfant = Helper.FormatAllCurrenciesAndConvert(tourDetail.XPathSelectElement("saleStrikeoutPriceInfant").Parse<double>() * (double)priceInfo.TotInfants, item.ProductCurrency);
                    }


                    // set per PAX price including discount.
                    AppLogger.Info("promoCodeValue: " + promoCodeValue);
                    AppLogger.Info("userPromoCodes: " + userPromoCodes);
                    if (Helper.IsPromoCodeValid(promoCodeValue, userPromoCodes))
                    {
                        decimal discountPercentage = item.BookingDiscount / (item.ProductPrice + item.BookingDiscount);
                        priceInfo.PricesBase = Helper.FormatAllCurrenciesAndConvert((double)(item.priceBase - item.priceBase * discountPercentage), item.ProductCurrency);
                        priceInfo.PricesAdult = Helper.FormatAllCurrenciesAndConvert((double)(item.priceAdult - item.priceAdult * discountPercentage), item.ProductCurrency);
                        priceInfo.PricesChild = Helper.FormatAllCurrenciesAndConvert((double)(item.priceChild - item.priceChild * discountPercentage), item.ProductCurrency);
                        priceInfo.PricesInfant = Helper.FormatAllCurrenciesAndConvert((double)(item.priceInfant - item.priceInfant * discountPercentage), item.ProductCurrency);
                    }
                    else
                    {
                        priceInfo.PricesBase = Helper.FormatAllCurrenciesAndConvert((double)item.priceBase, item.ProductCurrency);
                        priceInfo.PricesAdult = Helper.FormatAllCurrenciesAndConvert((double)item.priceAdult, item.ProductCurrency);
                        priceInfo.PricesChild = Helper.FormatAllCurrenciesAndConvert((double)item.priceChild, item.ProductCurrency);
                        priceInfo.PricesInfant = Helper.FormatAllCurrenciesAndConvert((double)item.priceInfant, item.ProductCurrency);
                    }
                    priceInfo.PaxPerBase = item.paxPerBase;
                    var cityId = tourDetail.XPathSelectElement("citylist").Parse<int>();
                    var city = content.XPathSelectElement($"cities/city[@id={cityId}]/cityName");
                    var cityName = city.Parse<string>().DeserializeXElement<string>(DataAccess.DataAccess.Defaultculture);
                    shoppingcartitems.Add(new ShoppingCartItemDto
                    {
                        CityName = cityName,
                        ReviewAverage = tourData != null ? (double)tourData?.tourAvg : 0,
                        ReviewCount = tourData?.numeroFeedback ?? 0, //if null use 0
                        InfantNotAllowed = tourDetail.XPathSelectElement("infantNotAllowed").Parse<bool>(),
                        IsAdultOnly = tourDetail.XPathSelectElement("adultOnly").Parse<bool>(),
                        PriceInfo = priceInfo,
                        CartId = item.CartId,
                        ProductId = item.ProductId,
                        PriceId = item.PriceId,
                        ProductCurrency = item.ProductCurrency,
                        SalesCurrency = item.SalesCurrency,
                        TourDate = item.TourDate.ToString("yyyy-MM-dd"),
                        EuroPrice = item.ProductCurrency == "EUR" ? (double)item.ProductPrice : DataAccess.DataAccess.MultiCurrency((double)item.ProductPrice, item.ProductCurrency, "EUR"),
                        BookingDiscount = item.BookingDiscount,
                        SalePriceDiscount = (decimal)DataAccess.DataAccess.MultiCurrency((double)item.BookingDiscount, item.ProductCurrency, item.SalesCurrency),
                        PromoCode = item.PromoCode,
                        TotAdults = item.totAdults,
                        TotChild = item.totChild,
                        TotInfants = item.totInfants,
                        ProductThumb = int.Parse(item.ProductThumb).GetCropImage(isMobile, (int)ImageEnum.Checkout),
                        ProductThumbMini = int.Parse(item.ProductThumb).GetCropImage(isMobile, (int)ImageEnum.MiniCart),
                        PriceStartTime = item.PriceStartTime.TimeSpanTo24HrString((int)HourEnum.HourMin),
                        ProductTitle = item.ProductTitle,
                        ProductUrl = item.ProductURL,
                        NodeId = item.externalId,
                        SiteId = item.SiteID
                    });
                   }
                return shoppingcartitems;
            }
            catch (Exception ex)
            {
                AppLogger.Error($"Cart [GetCartItems] error: {ex.Message}");
                throw new Exception(ex.Message);
            }
        }