Error executing template "Designs/Swift/Paragraph/Swift_Logo_Custom.cshtml"
System.ArgumentNullException: Value cannot be null.
Parameter name: source
   at System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source, Func`2 predicate)
   at CompiledRazorTemplates.Dynamic.RazorEngine_faee348ae1ac42518debd2e334bab739.Execute() in E:\Solutions\dlf.test002.webtester.dk\Files\Templates\Designs\Swift\Paragraph\Swift_Logo_Custom.cshtml:line 61
   at RazorEngine.Templating.TemplateBase.RazorEngine.Templating.ITemplate.Run(ExecuteContext context, TextWriter reader)
   at RazorEngine.Templating.RazorEngineService.RunCompile(ITemplateKey key, TextWriter writer, Type modelType, Object model, DynamicViewBag viewBag)
   at RazorEngine.Templating.RazorEngineServiceExtensions.<>c__DisplayClass16_0.<RunCompile>b__0(TextWriter writer)
   at RazorEngine.Templating.RazorEngineServiceExtensions.WithWriter(Action`1 withWriter)
   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>
  2     @using System.IO
  3     @using System.Collections.Generic
  4     @using Dynamicweb.Ecommerce.ProductCatalog
  5     
  6     @* CUSTOMIZED STANDARD SWIFT (v1.11.0) TEMPLATE *@
  7     
  8     @{
  9         Dynamicweb.Frontend.LinkViewModel logoLink = Model.Item.GetLink("Link");
 10         logoLink.Url = logoLink.Url == "/" && Pageview.IsVisualEditorMode ? "/Default.aspx?AreaID=" + Pageview.Area.ID : logoLink.Url;
 11     
 12         string horizontalAlign = !string.IsNullOrEmpty(Model.Item.GetRawValueString("HorizontalAlignment")) ? "justify-content-" + Model.Item.GetRawValueString("HorizontalAlignment") : "";
 13     
 14         string contentPadding = Model.Item.GetRawValueString("ContentPadding", "px-3 py-2");
 15         contentPadding = contentPadding == "none" ? "p-0" : contentPadding;
 16         contentPadding = contentPadding == "small" ? "px-3 py-2" : contentPadding;
 17         contentPadding = contentPadding == "large" ? "px-4 py-3" : contentPadding;
 18     
 19         string theme = !string.IsNullOrWhiteSpace(Model.Item.GetRawValueString("Theme")) ? " theme " + Model.Item.GetRawValueString("Theme").Replace(" ", "").Trim().ToLower() : "";
 20         string title = !string.IsNullOrEmpty(Model.Item.GetString("LogoName")) ? Model.Item.GetString("LogoName") : "";
 21     
 22         // CUSTOM
 23         int logoWidthPx = Model.Item.GetInt32("LogoWidth");
 24         string logoWidth = !string.IsNullOrEmpty(Model.Item.GetString("LogoWidth")) ? "width: " + logoWidthPx + "px" : "";
 25         logoWidth = logoWidth == "width: 0px" ? "" : logoWidth;
 26     
 27         string backgroundPaddingTop = Model.Item.GetRawValueString("Custom_BackgroundPaddingTop", "1rem");
 28         string backgroundPaddingRight = Model.Item.GetRawValueString("Custom_BackgroundPaddingRight", "3rem");
 29         string backgroundPaddingBottom = Model.Item.GetRawValueString("Custom_BackgroundPaddingBottom", "1rem");
 30         string backgroundPaddingLeft = Model.Item.GetRawValueString("Custom_BackgroundPaddingLeft", "1.5rem");
 31         string backgroundPadding = $"{backgroundPaddingTop} {backgroundPaddingRight} {backgroundPaddingBottom} {backgroundPaddingLeft}";
 32     
 33         string containerWidth = $"calc({logoWidthPx}px + {backgroundPaddingLeft} + 1rem)";
 34     
 35     
 36         bool productCategoryDeterminesBgColor = Model.Item.GetBoolean("Custom_ProductCategoryDeterminesBgColor");
 37         string defaultBackgroundColor = Model.Item.GetString("Custom_BackgroundColor");
 38         string backgroundColor = defaultBackgroundColor;
 39         int polygonShape = Model.Item.GetInt32("Custom_PolygonShape");
 40         int yAxisTopValue;
 41     
 42         if (!int.TryParse(Model.Item.GetRawValueString("Custom_YAxisTopValue", "60"), out yAxisTopValue))
 43         {
 44             yAxisTopValue = 60;
 45         }
 46     
 47         ProductViewModel product = null;
 48         ProductListViewModel productList = null;
 49         if (Dynamicweb.Context.Current.Items.Contains("ProductDetails"))
 50         {
 51             product = (ProductViewModel)Dynamicweb.Context.Current.Items["ProductDetails"];
 52         }
 53     
 54         if (Dynamicweb.Context.Current.Items.Contains("ProductList"))
 55         {
 56             productList = (ProductListViewModel)Dynamicweb.Context.Current.Items["ProductList"];
 57         }
 58     
 59         if (product != null)
 60         {
 61             var productCategory = product.ProductCategories.FirstOrDefault(pc => pc.Value.Fields != null && pc.Value.Fields.ContainsKey("ThemeColor"));
 62             if (productCategory.Value?.Fields != null && productCategory.Value.Fields.ContainsKey("ThemeColor"))
 63             {
 64                 var themeColorField = productCategory.Value.Fields["ThemeColor"];
 65                 var themeColorOptions = themeColorField.Value as List<FieldOptionValueViewModel>;
 66                 string color = themeColorOptions?.FirstOrDefault()?.Value?.ToString() ?? "";
 67                 backgroundColor = !string.IsNullOrEmpty(color) ? color : backgroundColor;
 68             }
 69         }
 70         else if (productList != null)
 71         {
 72             var mostCommonColor = productList.Products
 73                 .Select(p => p.ProductCategories.FirstOrDefault(pc => pc.Value.Fields != null && pc.Value.Fields.ContainsKey("ThemeColor")).Value)
 74                 .Where(cat => cat != null)
 75                 .Select(cat => (cat.Fields["ThemeColor"].Value as List<FieldOptionValueViewModel>)?.FirstOrDefault()?.Value?.ToString() ?? "")
 76                 .Where(color => !string.IsNullOrEmpty(color))
 77                 .GroupBy(color => color)
 78                 .OrderByDescending(g => g.Count())
 79                 .Select(g => g.Key)
 80                 .FirstOrDefault();
 81     
 82             backgroundColor = !string.IsNullOrEmpty(mostCommonColor) ? mostCommonColor : backgroundColor;
 83         }
 84     
 85         bool enableCustomBackground = (productCategoryDeterminesBgColor && (product != null || productList != null)) || !string.IsNullOrEmpty(defaultBackgroundColor);
 86         //
 87     }
 88     
 89     <div class="custom-logo-shape-wrapper" style="width: @containerWidth; --container-width: @containerWidth; --logo-shape-margin-top: -@(yAxisTopValue)px; --logo-padding-left: @backgroundPaddingLeft; --logo-padding-right: @backgroundPaddingRight; --logo-polygon-x-base: calc(@(containerWidth) * @(polygonShape) / 100);">
 90         <figure class="custom-logo-shape-container m-0 d-flex @(horizontalAlign)@(theme) item_@Model.Item.SystemName.ToLower()" style="clip-path: polygon(0 0, var(--logo-polygon-x, @(polygonShape)%) 0, 100% 100%, 0% 100%); padding-top: @backgroundPaddingTop; padding-bottom: @backgroundPaddingBottom; background-color: @backgroundColor;">
 91     
 92             @if (enableCustomBackground)
 93             {
 94                 <div class="custom-logo-shape">
 95                     @if (logoLink != null)
 96                     {
 97                         <a href="@logoLink.Url" class="text-decoration-none" aria-label="@title">
 98                             @RenderLogo(logoWidth)
 99                         </a>
100                     }
101                     else
102                     {
103                         @RenderLogo(logoWidth)
104                     }
105                 </div>
106             }
107             else
108             {
109                 if (logoLink != null)
110                 {
111                     <a href="@logoLink.Url" class="text-decoration-none" aria-label="@title">
112                         @RenderLogo(logoWidth)
113                     </a>
114                 }
115                 else
116                 {
117                     @RenderLogo(logoWidth)
118                 }
119             }
120         </figure>
121     </div>
122     
123     @helper RenderLogo(string logoWidth)
124     {
125         string logoImage = Model?.Item?.GetFile("Image")?.Path != null ? Model.Item.GetFile("Image").Path : "";
126     
127         if (logoImage != "")
128         {
129             string title = !string.IsNullOrEmpty(Model.Item.GetString("LogoName")) ? Model.Item.GetString("LogoName") : "";
130     
131             if (Path.GetExtension(logoImage).ToLower() == ".svg")
132             {
133                 <div class="icon-auto" style="@logoWidth">
134                     @ReadFile(logoImage)
135                 </div>
136             }
137             else
138             {
139                 int imageWidth = !string.IsNullOrEmpty(Model.Item.GetString("LogoWidth")) ? Model.Item.GetInt32("LogoWidth") : 500;
140                 string imagePath = "/Admin/Public/GetImage.ashx?width=" + imageWidth + "&image=" + logoImage;
141     
142                 <picture class="mx-auto d-block">
143                     <img src="@logoImage" alt="@title" style="@logoWidth" />
144                 </picture>
145             }
146         }
147         else
148         {
149             string title = !string.IsNullOrEmpty(Model.Item.GetString("LogoName")) ? Model.Item.GetString("LogoName") : "Swift";
150             <span class="fs-4">@title</span>
151         }
152     }
153