Error executing template "/Designs/Swift/Paragraph/Cus_Quantity_ProductAddToCart.cshtml"
System.FormatException: The input string '-42' was not in a correct format.
   at System.Number.ThrowFormatException[TChar](ReadOnlySpan`1 value)
   at System.Convert.ToDouble(String value)
   at CustomServices.Services.DiscountService.GetLiveStock(String productNumber, String shopId, String unitId, String langId)
   at CompiledRazorTemplates.Dynamic.RazorEngine_4a2e3686688046f1ae4e58dd71fe2d78.ExecuteAsync()
   at RazorEngine.Templating.TemplateBase.Run(ExecuteContext context, TextWriter reader)
   at RazorEngine.Templating.RazorEngineCore.RunTemplate(ICompiledTemplate template, TextWriter writer, Object model, DynamicViewBag viewBag)
   at RazorEngine.Templating.RazorEngineService.Run(ITemplateKey key, TextWriter writer, Type modelType, Object model, DynamicViewBag viewBag)
   at RazorEngine.Templating.DynamicWrapperService.Run(ITemplateKey key, TextWriter writer, Type modelType, Object model, DynamicViewBag viewBag)
   at RazorEngine.Templating.RazorEngineServiceExtensions.Run(IRazorEngineService service, String name, TextWriter writer, Type modelType, Object model, DynamicViewBag viewBag)
   at RazorEngine.Templating.RazorEngineServiceExtensions.<>c__DisplayClass23_0.<Run>b__0(TextWriter writer)
   at RazorEngine.Templating.RazorEngineServiceExtensions.WithWriter(Action`1 withWriter)
   at RazorEngine.Templating.RazorEngineServiceExtensions.Run(IRazorEngineService service, String name, Type modelType, Object model, DynamicViewBag viewBag)
   at Dynamicweb.Rendering.RazorTemplateRenderingProvider.Render(Template template)
   at Dynamicweb.Rendering.TemplateRenderingService.Render(Template template)
   at Dynamicweb.Rendering.Template.RenderRazorTemplate()


  1     @inherits Dynamicweb.Rendering.ViewModelTemplate<Dynamicweb.Frontend.ParagraphViewModel>
@using Dynamicweb.Ecommerce.ProductCatalog
@using Dynamicweb.Core.Encoders
@using System.Globalization
@using Dynamicweb.Ecommerce.Products
@using CustomServices.Services
@using System.Net;
@functions {
    string DoubleToString(double? value)
    {
        if (value.HasValue)
        {
            return value.Value.ToString(CultureInfo.InvariantCulture);
        }
        return null;
    }
}
@{
    ProductViewModel product = null;
    if (Dynamicweb.Context.Current.Items.Contains("ProductDetails"))
    {
        product = (ProductViewModel)Dynamicweb.Context.Current.Items["ProductDetails"];
    }
    else if (Pageview.Page.Item["DummyProduct"] != null && Pageview.IsVisualEditorMode)
    {
        var pageViewModel = Dynamicweb.Frontend.ContentViewModelFactory.CreatePageInfoViewModel(Pageview.Page);
        ProductListViewModel productList = pageViewModel.Item.GetValue("DummyProduct") != null ? pageViewModel.Item.GetValue("DummyProduct") as ProductListViewModel : new ProductListViewModel();
        if (productList?.Products is object)
        {
            product = productList.Products[0];
        }
    }
    string anonymousUsersLimitations = Pageview.AreaSettings.GetRawValueString("AnonymousUsers", "");
    bool anonymousUser = Pageview.User == null;
    bool isErpConnectionDown = !Dynamicweb.Core.Converter.ToBoolean(Dynamicweb.Context.Current.Items["IsWebServiceConnectionAvailable"]);
    bool hideAddToCart = anonymousUsersLimitations.Contains("cart") && anonymousUser || Pageview.AreaSettings.GetBoolean("ErpDownHideAddToCart") && isErpConnectionDown;
    hideAddToCart = Pageview.IsVisualEditorMode ? false : hideAddToCart;
}
@if (product is object && !hideAddToCart)
{
    string horizontalAlign = Model.Item.GetRawValueString("HorizontalAlignment", "");
    horizontalAlign = horizontalAlign == "center" ? "justify-content-center" : horizontalAlign;
    horizontalAlign = horizontalAlign == "end" ? "justify-content-end" : horizontalAlign;
    horizontalAlign = horizontalAlign == "full" ? "" : horizontalAlign;
    bool favoritesSelector = !string.IsNullOrEmpty(Model.Item.GetString("ShowAddToFavorites")) ? Model.Item.GetBoolean("ShowAddToFavorites") : false;
    bool quantitySelector = !string.IsNullOrEmpty(Model.Item.GetString("ShowQuantitySelector")) ? Model.Item.GetBoolean("ShowQuantitySelector") : false;
    bool unitsSelector = !string.IsNullOrEmpty(Model.Item.GetString("ShowUnitsSelector")) ? Model.Item.GetBoolean("ShowUnitsSelector") : false;
    bool hideInventory = !string.IsNullOrEmpty(Model.Item.GetString("HideInventory")) ? Model.Item.GetBoolean("HideInventory") : false;
    bool hideStockState = !string.IsNullOrEmpty(Model.Item.GetString("HideStockState")) ? Model.Item.GetBoolean("HideStockState") : false;
    string display = "";
    display = product.ProductType == ProductType.Service ? "d-none" : "";
    string buttonSize = Model.Item.GetRawValueString("ButtonSize", "regular");
    string inputSize = string.Empty;
    switch (buttonSize)
    {
        case "small":
            inputSize = " input-group-sm";
            buttonSize = " btn-sm";
            break;
        case "regular":
            buttonSize = string.Empty;
            break;
        case "large":
            inputSize = " input-group-lg";
            buttonSize = " btn-lg";
            break;
    }
    string iconPath = "/Files/icons/";
    string url = "/Default.aspx?ID=" + (GetPageIdByNavigationTag("CartService"));
    if (!url.Contains("LayoutTemplate"))
    {
        url += url.Contains("?") ? "&LayoutTemplate=Swift_MiniCart.cshtml" : "?LayoutTemplate=Swift_MiniCart.cshtml";
    }
    string whenVariantsExist = Model.Item.GetRawValueString("WhenVariantsExist", "hide");
    string flexFill = Model.Item.GetRawValueString("HorizontalAlignment", "") == "full" ? "flex-fill" : "";
    string fullWidth = Model.Item.GetRawValueString("HorizontalAlignment", "") == "full" ? "w-100" : "";
    string addToCartIcon = Model.Item.GetRawValueString("Icon", iconPath + "shopping-cart.svg");
    string addToCartLabel = !addToCartIcon.Contains("_none") ? $"<span class=\"icon-2\">{ReadFile(addToCartIcon)}</span>" : "";
    addToCartLabel += !addToCartIcon.Contains("_none") && !Model.Item.GetBoolean("HideButtonText") ? " " : "";
    addToCartLabel += !Model.Item.GetBoolean("HideButtonText") ? $"<span>{Translate("ADD TO CART")}</span>" : "";
    bool isLazyLoadingForProductInfoEnabled = Dynamicweb.Core.Converter.ToBoolean(Dynamicweb.Context.Current.Items["IsLazyLoadingForProductInfoEnabled"]);
    bool userHasPendingQuote = Dynamicweb.Ecommerce.Common.Context.Cart != null && Dynamicweb.Ecommerce.Common.Context.Cart.IsQuote;
    if (product.VariantInfo.VariantInfo == null || whenVariantsExist == "disable")
    {
        string unitId = !string.IsNullOrEmpty(Dynamicweb.Context.Current.Request.Form.Get("UnitId")) ? Dynamicweb.Context.Current.Request.Form.Get("UnitId") : product.DefaultUnitId;
        if (string.IsNullOrEmpty(unitId) && product?.UnitOptions != null)
        {
            if (product.UnitOptions.FirstOrDefault<UnitOptionViewModel>() != null)
            {
                unitId = product.UnitOptions.FirstOrDefault<UnitOptionViewModel>().Id;
            }
        }
        double? stepQty = product.PurchaseQuantityStep > 0 ? product.PurchaseQuantityStep : 1;
        double? minQty = product.PurchaseMinimumQuantity > 0 ? product.PurchaseMinimumQuantity : 1;
        double? valueQty = minQty > stepQty ? minQty : stepQty;
        string disableAddToCart = null;
        double? maxQty = null;
        DiscountService discountService = new DiscountService();
  2             double stock = discountService.GetLiveStock(product.Number, Pageview.Area.EcomShopId, unitId, Pageview.Area.EcomLanguageId);
  3     
  4             if (product.ProductType == Dynamicweb.Ecommerce.Products.ProductType.Stock && !product.NeverOutOfstock)
        {
            disableAddToCart = (stock <= 0) || (!product.NeverOutOfstock && isLazyLoadingForProductInfoEnabled) ? "disabled" : disableAddToCart;
  5                 maxQty = stock;
  6             }
        disableAddToCart = whenVariantsExist == "disable" && product.VariantInfo.VariantInfo != null && string.IsNullOrEmpty(product.VariantId) ? "disabled" : disableAddToCart;
        var currentCart = Dynamicweb.Ecommerce.Common.Context.Cart;
        bool isClickCollect = false;
        int orderlinecount = 0;
        if (currentCart != null)
        {
            if (currentCart.OrderFieldValues.FirstOrDefault(x => x.OrderField.SystemName == "isClickAndCollect").Value != null)
            {
                if (currentCart.OrderFieldValues.FirstOrDefault(x => x.OrderField.SystemName == "isClickAndCollect").Value.ToString() != "")
                {
                    isClickCollect = Convert.ToBoolean(currentCart.OrderFieldValues.FirstOrDefault(x => x.OrderField.SystemName == "isClickAndCollect").Value.ToString());
                }
            }
            if (currentCart.OrderLines != null)
            {
                orderlinecount = currentCart.OrderLines.CountOnlyProducts;
            }
        }
        disableAddToCart = (isClickCollect && orderlinecount > 0) ? "disabled" : disableAddToCart;
        if (unitsSelector && product.UnitOptions.Count > 0)
        {
            <form method="post" action="/Default.aspx?ID=@(Pageview.Page.ID)&ProductId=@product.Id" id="UnitSelectorForm_@(product.Id)_@(product.VariantId.Replace(".", "_"))_@Model.ID">
                <input type="hidden" name="redirect" value="false">
                <input type="hidden" name="VariantID" value="@product.VariantId">
                <input type="hidden" name="UnitID" class="js-unit-id" value="@unitId">
            </form>
  7             }
        <div class="d-flex @horizontalAlign @fullWidth js-input-group item_@Model.Item.SystemName.ToLower() @display">
            @if (!anonymousUser && favoritesSelector)
            {
                @RenderPartial("Components/ToggleFavorite.cshtml", product)
            }
            <form method="post" action="@url" class="@fullWidth" style="z-index: 1">
                <input type="hidden" name="redirect" value="false">
                <input type="hidden" name="ProductId" value="@product.Id">
                <input type="hidden" name="ProductName" value="@HtmlEncoder.HtmlEncode(product.Name)">
                <input type="hidden" name="ProductVariantName" value="@product.VariantName">
                <input type="hidden" name="ProductCurrency" value="@Dynamicweb.Ecommerce.Common.Context.Currency.Code">
                <input type="hidden" name="ProductPrice" value="@PriceViewModelExtensions.ToStringInvariant(product.Price)">
                <input type="hidden" name="ProductReferer" value="component_ProductAddToCart">
                <input type="hidden" name="cartcmd" value="add">
                <input type="submit" class="d-none" onclick="event.preventDefault();"> @* Fix for enterKey should not redirect to minicart page *@
                @if (!string.IsNullOrEmpty(product.VariantId))
                {
                    <input type="hidden" name="VariantId" value="@product.VariantId">
                }
                <template class="js-step-quantity-warning">
                    <div class="modal-header">
                        <h1 class="modal-title fs-5">@Translate("The quantity is not valid")</h1>
                        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                    </div>
                    <div class="modal-body">
                        @Translate("Please select a quantity that is dividable by") @stepQty
                    </div>
                </template>
                <template class="js-min-quantity-warning">
                    <div class="modal-header">
                        <h1 class="modal-title fs-5">@Translate("The product could not be added to the cart")</h1>
                        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                    </div>
                    <div class="modal-body">
                        @Translate("The quantity is not valid. You must buy at least") @product.PurchaseMinimumQuantity
                    </div>
                </template>
                <template class="js-value-missing-warning">
                    <div class="modal-header">
                        <h1 class="modal-title fs-5">@Translate("No amount specified")</h1>
                        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                    </div>
                    <div class="modal-body">
                        @Translate("Specify an amount to add to the cart")
                    </div>
                </template>
                @if (userHasPendingQuote)
                {
                    <input type="hidden" name="PendingQuote" value="true">
                    <template class="js-pending-quote-notice">
                        <div class="modal-header">
                            <h1 class="modal-title fs-5">@Translate("Pending Quote")</h1>
                            <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="@Translate("Close")"></button>
                        </div>
                        <div class="modal-body">
                            @Translate("You need to complete your current quote or empty the cart before adding this product to cart.")
                        </div>
                    </template>
                }
                @if (quantitySelector || (!anonymousUser && product.VariantInfo.VariantInfo != null) || (!anonymousUser && favoritesSelector))
                {
                    <input type="hidden" id="Unit_@(product.Id)_@product.VariantId.Replace(".", "_")" name="UnitID" value="@unitId" />
                }
                <div class="w-100 cus-detail__addcartsec">
                    <div class="input-primary-button-group flex-nowrap@(inputSize)">
                        @if (quantitySelector)
                        {
                            <div class="cus_quantity-container cus_bg cus_RoundCorners">
                                <button type="button" id="decrease" onclick="DecrDetailQty('@minQty');">&#8722;</button>
                                <input id="InputQuantity" name="Quantity" value="@DoubleToString(valueQty)" step="@DoubleToString(stepQty)" min="@DoubleToString(minQty)" class="form-control swift_quantity-field" style="min-width: 60px; max-width: 100px; z-index: 1" type="number">
                                <button type="button" id="increase" onclick="IncrDetailQty('@product.Id','@product.VariantId.Replace(".", "_")','@unitId');">&#43;</button>
                            </div>
                        }
                    </div>
                    <div class="d-flex  w-100 ">
                        <button type="button" style="display:none;" id="AddToCartButton_@(product.Id)_@(product.VariantId)" onclick="swift.Cart.Update(event);UpdateClickCollectStoreForProduct('',0,'@product.Id','@unitId');" />
                        <button type="button" onclick="CustomDetailAddtoCartFeed('@product.Id','@product.VariantId','@unitId');" class="btn btn-primary ProductAddToCartBtn @(buttonSize) @flexFill js-add-to-cart-button" style="white-space: nowrap;" @disableAddToCart title="@Translate("Add to cart")" id="AddToCartButton@(product.Id)_@Pageview.CurrentParagraph.ID">
                            @if (!Model.Item.GetBoolean("HideButtonText"))
                            {
                                <span class="text-nowrap d-flex align-items-center justify-content-center gap-2">
                                    @addToCartLabel
                                </span>
                            }
                            else
                            {
                                @addToCartLabel
                            }
                        </button>
                    </div>
                </div>
            </form>
        </div>
    }
    else if (whenVariantsExist == "modal")
    {
        string ButtonShape = Model.Item.GetRawValueString("VariantButtonShape", "square");
        string buttonAspectRatio = Model.Item.GetRawValueString("VariantImageAspectRatio", "56%");
        string buttonText = Translate("Select");
        string variantId = !string.IsNullOrWhiteSpace(product.VariantId) ? product.VariantId : product.DefaultVariantId;
        string variantSelectorServicePageId = !string.IsNullOrEmpty(Model.Item.GetString("VariantSelectorServicePageId")) ? Model.Item.GetLink("VariantSelectorServicePageId").PageId.ToString() : "";
        variantSelectorServicePageId = variantSelectorServicePageId != "" ? variantSelectorServicePageId : GetPageIdByNavigationTag("VariantSelectorService").ToString();
        <div class="d-flex @horizontalAlign w-100 item_@Model.Item.SystemName.ToLower()">
            @if (!anonymousUser && favoritesSelector)
            {
                @RenderPartial("Components/ToggleFavorite.cshtml", product)
            }
            <form action="/Default.aspx?ID=@variantSelectorServicePageId" data-response-target-element="DynamicModalContent" data-preloader="inline" style="z-index: 1" class="@fullWidth">
                <input type="hidden" name="ProductID" value="@product.Id">
                <input type="hidden" name="VariantID" value="@variantId">
                <input type="hidden" name="QuantitySelector" value="@quantitySelector.ToString()">
                <input type="hidden" name="HideInventory" value="@hideInventory.ToString()">
                <input type="hidden" name="HideStockState" value="@hideStockState.ToString()">
                <input type="hidden" name="ButtonLayout" value="@ButtonShape">
                <input type="hidden" name="ButtonAspectRatio" value="@buttonAspectRatio">
                <input type="hidden" name="VariantSelectorServicePage" value="@variantSelectorServicePageId">
                <input type="hidden" name="ViewType" value="ModalContent">
                @if (isLazyLoadingForProductInfoEnabled)
                {
                    @* If lazy loading is enabled, bypass it because we're loading a modal window, so render everything as if it was server-side *@
                    <input type="hidden" name="getproductinfo" value="true">
                }
                <button type="button" onclick="swift.PageUpdater.Update(event)" class="btn btn-primary@(buttonSize) @fullWidth" title="@Translate("Select")" data-bs-toggle="modal" data-bs-target="#DynamicModal" id="OpenVariantSelectorModal@(product.Id)_@Pageview.CurrentParagraph.ID">@buttonText</button>
            </form>
        </div>
    }
}
else if (Pageview.IsVisualEditorMode)
{
    <div class="alert alert-dark m-0">@Translate("No products available")</div>
}