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_9cf5fee772194417ab7b9981585d8dd9.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"))
 10     	{
 11     		productList = (ProductListViewModel)Dynamicweb.Context.Current.Items["ProductList"];
 12     	}
 13     	else if (Pageview.Page.Item["DummyProductGroup"] != null && Pageview.IsVisualEditorMode)
 14     	{
 15     		var pageViewModel = Dynamicweb.Frontend.ContentViewModelFactory.CreatePageInfoViewModel(Pageview.Page);
 16     		ProductListViewModel groupList = pageViewModel.Item.GetValue("DummyProduct") != null ? pageViewModel.Item.GetValue("DummyProduct") as ProductListViewModel : new ProductListViewModel();
 17     
 18     		if (groupList?.Products is object)
 19     		{
 20     			productList = groupList;
 21     		}
 22     	}
 23     }
 24     
 25     @if (productList is object)
 26     {
 27     	string layout = Model.Item.GetRawValueString("Layout", "align-middle-center-text-center");
 28     	string alignment = "";
 29     
 30     	string searchParameter = Dynamicweb.Context.Current.Request.GetString("q");
 31     
 32     	bool hideTitle = Model.Item.GetBoolean("HideGroupTitle");
 33     	string titleFontSize = Model.Item.GetRawValueString("TitleFontSize", "display-4");
 34     
 35     	string groupName = productList?.Group?.Name != null ? productList.Group.Name : "";
 36     	string headerName = searchParameter != "" ? Translate("Search results for") + ": " + searchParameter : groupName;
 37     
 38     	bool hideDescription = Model.Item.GetBoolean("HideGroupDescription");
 39     	string groupDescription = productList?.Group?.Description != null ? productList.Group.Description : "";
 40     	string descriptionFontSize = Model.Item.GetRawValueString("DescriptionFontSize", "fs-6");
 41     
 42     	string groupImage = productList?.Group?.Assets != null ? productList.Group.Assets.FirstOrDefault(x => x.Name == "LargeImage").Value : "";
 43     	if (groupImage.StartsWith("/") && !groupImage.StartsWith("/Files", StringComparison.OrdinalIgnoreCase))
 44     	{
 45     		groupImage = $"/Files{groupImage}";
 46     	}
 47     
 48     	string posterHeight = Model.Item.GetRawValueString("PosterHeight", "");
 49     	posterHeight = posterHeight == "small" ? "min-vh-25" : posterHeight;
 50     	posterHeight = posterHeight == "medium" ? "min-vh-50" : posterHeight;
 51     	posterHeight = posterHeight == "large" ? "min-vh-75" : posterHeight;
 52     
 53     	string contentPadding = Model.Item.GetRawValueString("ContentPadding", "");
 54     	contentPadding = contentPadding == "none" ? "p-3 px-xl-3 py-xl-4" : contentPadding;
 55     	contentPadding = contentPadding == "small" ? "p-3 p-xl-4" : contentPadding;
 56     	contentPadding = contentPadding == "large" ? "p-4 p-xl-5" : contentPadding;
 57     
 58     	string maxWidth = Model.Item.GetRawValueString("TextReadability", "max-width-on");
 59     	maxWidth = maxWidth == "max-width-on" ? " mw-75ch" : maxWidth;
 60     	maxWidth = maxWidth == "max-width-off" ? "" : maxWidth;
 61     
 62     	string theme = !string.IsNullOrWhiteSpace(Model.Item.GetRawValueString("Theme")) ? " theme " + Model.Item.GetRawValueString("Theme").Replace(" ", "").Trim().ToLower() : "";
 63     
 64     	if (!string.IsNullOrEmpty(groupImage))
 65     	{
 66     		var parms = new Dictionary<string, object>();
 67     		parms.Add("cssClass", "h-100 w-100");
 68     		parms.Add("columns", Model.GridRowColumnCount);
 69     
 70     		parms.Add("fullwidth", true);
 71     
 72     		switch (layout)
 73     		{
 74     			case "align-top-left-text-left":
 75     				alignment = "text-start justify-content-start align-items-start";
 76     				break;
 77     			case "align-top-center-text-center":
 78     				alignment = "text-center justify-content-center align-items-start";
 79     				break;
 80     			case "align-top-right-text-right":
 81     				alignment = "text-end justify-content-end align-items-start";
 82     				break;
 83     			case "align-middle-left-text-left":
 84     				alignment = "text-start justify-content-start align-items-center";
 85     				break;
 86     			case "align-middle-center-text-center":
 87     				alignment = "text-center justify-content-center align-items-center";
 88     				break;
 89     			case "align-middle-right-text-right":
 90     				alignment = "text-end justify-content-end align-items-center";
 91     				break;
 92     			case "align-bottom-left-text-left":
 93     				alignment = "text-start justify-content-start align-items-end";
 94     				break;
 95     			case "align-bottom-center-text-center":
 96     				alignment = "text-center justify-content-center align-items-end";
 97     				break;
 98     			case "align-bottom-right-text-right":
 99     				alignment = "text-end justify-content-end align-items-end";
100     				break;
101     		}
102     
103     		<div class="position-relative h-100@(theme) @(posterHeight) item_@Model.Item.SystemName.ToLower()">
104     			@if (!string.IsNullOrEmpty(groupImage))
105     			{
106     				string imageFilter = Model.Item.GetRawValueString("ImageFilter", "");
107     				imageFilter = imageFilter == "no-filter" ? "" : imageFilter;
108     				imageFilter = imageFilter == "filter" ? " image-filter" : imageFilter;
109     
110     				<div class="position-absolute top-0 bottom-0 end-0 start-0@(imageFilter)">
111     					@RenderPartial("Components/Image.cshtml", new FileViewModel { Path = groupImage }, parms)
112     				</div>
113     			}
114     
115     			@if (!hideTitle || !hideDescription)
116     			{
117     				<div class="container-xl h-100 @(contentPadding)">
118     					<div class="h-100 w-100 position-relative d-flex @(alignment)">
119     						<div class="@(maxWidth)">
120     							@if (!hideTitle)
121     							{
122     								<h1 class="@titleFontSize">@headerName</h1>
123     							}
124     
125     							@if (!hideDescription && !string.IsNullOrEmpty(groupDescription))
126     							{
127     								<div class="@descriptionFontSize mb-0-last-child">
128     									@groupDescription
129     								</div>
130     							}
131     						</div>
132     					</div>
133     				</div>
134     			}
135     
136     		</div>
137     	}
138     	else if (Pageview.IsVisualEditorMode)
139     	{
140     		<div class="alert alert-dark m-0" role="alert">
141     			<span>@Translate("Product group poster: The poster paragraph will be shown here, if any")</span>
142     		</div>
143     	}
144     }
145     else if (Pageview.IsVisualEditorMode)
146     {
147     	<div class="alert alert-dark m-0" role="alert">
148     		<span>@Translate("Product group poster: The poster paragraph will be shown here, if any")</span>
149     	</div>
150     }
151