Error executing template "Designs/Swift/Paragraph/Swift_ProductListGroupPoster.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
   at CompiledRazorTemplates.Dynamic.RazorEngine_b8b5d392fa84428280c3cf6c10c5d4c8.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>
  2     @using Dynamicweb.Frontend.Navigation
  3     @using Dynamicweb.Ecommerce.ProductCatalog
  4     @using Dynamicweb.Environment
  5     @using Dynamicweb.Frontend
  6     
  7     @{
  8         ProductListViewModel productList = null;
  9         if (Dynamicweb.Context.Current.Items.Contains("ProductList") && Dynamicweb.Context.Current.Items["ProductList"] != null) {
 10             productList = (ProductListViewModel)Dynamicweb.Context.Current.Items["ProductList"];
 11         } else if (Pageview.Page.Item["DummyProductGroup"] != null && Pageview.IsVisualEditorMode) {
 12             var pageViewModel = Dynamicweb.Frontend.ContentViewModelFactory.CreatePageInfoViewModel(Pageview.Page);
 13             ProductListViewModel groupList = pageViewModel.Item.GetValue("DummyProduct") != null ? pageViewModel.Item.GetValue("DummyProduct") as ProductListViewModel : new ProductListViewModel();
 14     
 15             if (groupList?.Products is object) {
 16                 productList = groupList;
 17             }
 18         }
 19     }
 20     
 21     @if (productList != null && productList is object && !Pageview.IsVisualEditorMode) {
 22         string layout = Model.Item.GetRawValueString("Layout", "align-middle-center-text-center");
 23         string alignment = "";
 24     
 25         string searchParameter = Dynamicweb.Context.Current.Request.GetString("q");
 26     
 27         bool hideTitle = Model.Item.GetBoolean("HideGroupTitle");
 28         string titleFontSize = Model.Item.GetRawValueString("TitleFontSize", "display-4");
 29     
 30         string groupName = productList?.Group?.Name != null ? productList.Group.Name : "";
 31         string headerName = searchParameter != "" ? Translate("Search results for") + ": " + searchParameter : groupName;
 32     
 33         bool hideDescription = Model.Item.GetBoolean("HideGroupDescription");
 34         string groupDescription = productList?.Group?.Description != null ? productList.Group.Description : "";
 35         string descriptionFontSize = Model.Item.GetRawValueString("DescriptionFontSize", "fs-6");
 36     
 37         @* ORIGINAL *@
 38         @* string groupImage = productList?.Group?.Assets != null && productList.Group.Assets.FirstOrDefault(x => x.Name == "LargeImage") != null ? productList.Group.Assets.FirstOrDefault(x => x.Name == "LargeImage").Value : "";
 39         if (groupImage.StartsWith("/") && !groupImage.StartsWith("/Files", StringComparison.OrdinalIgnoreCase)) {
 40             groupImage = $"/Files{groupImage}";
 41         } *@
 42     
 43         @* --------------------------------------------------------------------------------------------------------------------- *@
 44         @* CUSTOM *@
 45         @* --------------------------------------------------------------------------------------------------------------------- *@
 46        
 47         string groupImage = "";
 48     
 49         // Først prøver vi at hente billedet fra GroupFields
 50         if (productList?.Group?.GroupFields != null) {
 51             var bannerField = productList.Group.GroupFields
 52                 .FirstOrDefault(x => x.SystemName == "ProductGroupBannerImage");
 53     
 54             if (bannerField?.Value != null) {
 55                 groupImage = bannerField.Value.ToString();
 56             }
 57         }
 58     
 59         // Fallback: Hvis intet billede fra GroupFields, så brug det gamle LargeImage
 60         if (string.IsNullOrWhiteSpace(groupImage) && productList.Group.Assets != null) {
 61             var largeImage = productList.Group.Assets
 62                 .FirstOrDefault(x => x.Name == "LargeImage");
 63     
 64             if (largeImage != null) {
 65                 groupImage = largeImage.Value;
 66             }
 67         }
 68     
 69         // Tilføj /Files hvis nødvendigt
 70         if (groupImage.StartsWith("/") &&
 71             !groupImage.StartsWith("/Files", StringComparison.OrdinalIgnoreCase) &&
 72             !groupImage.StartsWith("http", StringComparison.OrdinalIgnoreCase)) {
 73             groupImage = $"/Files{groupImage}";
 74         }
 75     
 76         @* --------------------------------------------------------------------------------------------------------------------- *@
 77         @* /CUSTOM *@
 78         @* --------------------------------------------------------------------------------------------------------------------- *@
 79     
 80     
 81         string posterHeight = Model.Item.GetRawValueString("PosterHeight", "");
 82         posterHeight = posterHeight == "small" ? "min-vh-25" : posterHeight;
 83         posterHeight = posterHeight == "medium" ? "min-vh-50" : posterHeight;
 84         posterHeight = posterHeight == "large" ? "min-vh-75" : posterHeight;
 85     
 86         string contentPadding = Model.Item.GetRawValueString("ContentPadding", "");
 87         contentPadding = contentPadding == "none" ? "p-3 px-xl-3 py-xl-4" : contentPadding;
 88         contentPadding = contentPadding == "small" ? "p-3 p-xl-4" : contentPadding;
 89         contentPadding = contentPadding == "large" ? "p-4 p-xl-5" : contentPadding;
 90     
 91         string maxWidth = Model.Item.GetRawValueString("TextReadability", "max-width-on");
 92         maxWidth = maxWidth == "max-width-on" ? " mw-75ch" : maxWidth;
 93         maxWidth = maxWidth == "max-width-off" ? "" : maxWidth;
 94     
 95         string theme = !string.IsNullOrWhiteSpace(Model.Item.GetRawValueString("Theme")) ? " theme " + Model.Item.GetRawValueString("Theme").Replace(" ", "").Trim().ToLower() : "";
 96     
 97         if (!string.IsNullOrEmpty(groupImage)) {
 98             var parms = new Dictionary<string, object>();
 99             parms.Add("cssClass", "h-100 w-100");
100             parms.Add("columns", Model.GridRowColumnCount);
101     
102             switch (layout) {
103                 case "align-top-left-text-left":
104                     alignment = "text-start justify-content-start align-items-start";
105                     break;
106                 case "align-top-center-text-center":
107                     alignment = "text-center justify-content-center align-items-start";
108                     break;
109                 case "align-top-right-text-right":
110                     alignment = "text-end justify-content-end align-items-start";
111                     break;
112                 case "align-middle-left-text-left":
113                     alignment = "text-start justify-content-start align-items-center";
114                     break;
115                 case "align-middle-center-text-center":
116                     alignment = "text-center justify-content-center align-items-center";
117                     break;
118                 case "align-middle-right-text-right":
119                     alignment = "text-end justify-content-end align-items-center";
120                     break;
121                 case "align-bottom-left-text-left":
122                     alignment = "text-start justify-content-start align-items-end";
123                     break;
124                 case "align-bottom-center-text-center":
125                     alignment = "text-center justify-content-center align-items-end";
126                     break;
127                 case "align-bottom-right-text-right":
128                     alignment = "text-end justify-content-end align-items-end";
129                     break;
130             }
131     
132             <div class="position-relative h-100@(theme) @(posterHeight) item_@Model.Item.SystemName.ToLower()">
133                 @if (!string.IsNullOrEmpty(groupImage)) {
134                     string imageFilter = Model.Item.GetRawValueString("ImageFilter", "");
135                     imageFilter = imageFilter == "no-filter" ? "" : imageFilter;
136                     imageFilter = imageFilter == "filter" ? " image-filter" : imageFilter;
137     
138                     <div class="position-absolute top-0 bottom-0 end-0 start-0@(imageFilter)">
139                         @RenderPartial("Components/Image.cshtml", new FileViewModel { Path = groupImage }, parms)
140                     </div>
141                 }
142     
143                 @if (!hideTitle || !hideDescription) {
144                     <div class="container-xl h-100 @(contentPadding)">
145                         <div class="h-100 w-100 position-relative d-flex @(alignment)">
146                             <div class="@(maxWidth)">
147                                 @if (!hideTitle) {
148                                     <h1 class="@titleFontSize">@headerName</h1>
149                                 }
150     
151                                 @if (!hideDescription && !string.IsNullOrEmpty(groupDescription)) {
152                                     <div class="@descriptionFontSize mb-0-last-child">
153                                         @groupDescription
154                                     </div>
155                                 }
156                             </div>
157                         </div>
158                     </div>
159                 }
160     
161             </div>
162         } else if (Pageview.IsVisualEditorMode) {
163             <div class="alert alert-dark m-0" role="alert">
164                 <span>@Translate("Product group poster: The poster paragraph will be shown here, if any")</span>
165             </div>
166         }
167     } else if (Pageview.IsVisualEditorMode) {
168         <div class="alert alert-dark m-0" role="alert">
169             <span>@Translate("Product group poster: The poster paragraph will be shown here, if any")</span>
170         </div>
171     }
172