Error executing template "/Designs/Swift-v2/Paragraph/Swift-v2_ProductListGroupPoster_PR.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
   at CompiledRazorTemplates.Dynamic.RazorEngine_0aa022568d6041588e3aca137ef805d4.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     @functions
  8     {
  9     	public string GetGroupFieldValue(string systemName, IList<FieldValueViewModel> groupFields)
 10     	{
 11     		if (groupFields is null)
 12     		{
 13     			return string.Empty;
 14     		}
 15     		return groupFields.FirstOrDefault(field => field.SystemName == systemName)?.Value.ToString() ?? string.Empty;
 16     	}
 17     }
 18     
 19     @{
 20     	ProductListViewModel productList = null;
 21     	if (Dynamicweb.Context.Current.Items.Contains("ProductList"))
 22     	{
 23     		productList = (ProductListViewModel)Dynamicweb.Context.Current.Items["ProductList"];
 24     	}
 25     	else if (Pageview.Page.Item["DummyProductGroup"] != null && Pageview.IsVisualEditorMode)
 26     	{
 27     		var pageViewModel = Dynamicweb.Frontend.ContentViewModelFactory.CreatePageInfoViewModel(Pageview.Page);
 28     		ProductListViewModel groupList = pageViewModel.Item.GetValue("DummyProduct") != null ? pageViewModel.Item.GetValue("DummyProduct") as ProductListViewModel : new ProductListViewModel();
 29     
 30     		if (groupList?.Products is object)
 31     		{
 32     			productList = groupList;
 33     		}
 34     	}
 35     }
 36     
 37     @if (productList is object)
 38     {
 39     	string layout = Model.Item.GetRawValueString("Layout", "align-middle-center-text-center");
 40     	string alignment = "";
 41     
 42     	string searchParameter = Dynamicweb.Context.Current.Request.GetString("q");
 43     
 44     	bool hideTitle = Model.Item.GetBoolean("HideGroupTitle");
 45     	string titleFontSize = Model.Item.GetRawValueString("TitleFontSize", "display-4");
 46     
 47     	string groupName = productList?.Group?.Name != null ? productList.Group.Name : "";
 48     	string headerName = searchParameter != "" ? Translate("Search results for") + ": " + searchParameter : groupName;
 49     
 50     	bool hideDescription = Model.Item.GetBoolean("HideGroupDescription");
 51     	string groupDescription = productList?.Group?.Description != null ? productList.Group.Description : "";
 52     	string descriptionFontSize = Model.Item.GetRawValueString("DescriptionFontSize", "fs-6");
 53     
 54     	string groupImage = productList?.Group?.Assets != null ? productList.Group.Assets.FirstOrDefault(x => x.Name == "LargeImage").Value : "";
 55     	if (groupImage.StartsWith("/") && !groupImage.StartsWith("/Files", StringComparison.OrdinalIgnoreCase))
 56     	{
 57     		groupImage = $"/Files{groupImage}";
 58     	}
 59     
 60     	string posterHeight = Model.Item.GetRawValueString("PosterHeight", "");
 61     	posterHeight = posterHeight == "small" ? "min-vh-25" : posterHeight;
 62     	posterHeight = posterHeight == "medium" ? "min-vh-50" : posterHeight;
 63     	posterHeight = posterHeight == "large" ? "min-vh-75" : posterHeight;
 64     
 65     	string maxWidth = Model.Item.GetRawValueString("TextReadability", "max-width-on");
 66     	maxWidth = maxWidth == "max-width-on" ? " mw-75ch" : maxWidth;
 67     	maxWidth = maxWidth == "max-width-off" ? "" : maxWidth;
 68     
 69     	string titleColor = "";
 70     	if (productList?.Group?.Id != null)
 71     	{
 72     		var productGroup = Dynamicweb.Ecommerce.Services.ProductGroups.GetGroup(productList.Group.Id);
 73     		var groupViewModel = Dynamicweb.Ecommerce.ProductCatalog.ViewModelFactory.CreateView(new ProductGroupViewModelSettings(), productGroup);
 74     		string groupPosterHexColor = GetGroupFieldValue("GroupPosterHexColor", groupViewModel?.GroupFields);
 75     		titleColor = groupPosterHexColor;
 76     	}
 77     
 78     	if (!string.IsNullOrEmpty(groupImage))
 79     	{
 80     		var parms = new Dictionary<string, object>();
 81     		parms.Add("cssClass", "h-100 w-100");
 82     		parms.Add("columns", Model.GridRowColumnCount);
 83     
 84     		switch (layout)
 85     		{
 86     			case "align-top-left-text-left":
 87     				alignment = "text-start justify-content-start align-items-start";
 88     				break;
 89     			case "align-top-center-text-center":
 90     				alignment = "text-center justify-content-center align-items-start";
 91     				break;
 92     			case "align-top-right-text-right":
 93     				alignment = "text-end justify-content-end align-items-start";
 94     				break;
 95     			case "align-middle-left-text-left":
 96     				alignment = "text-start justify-content-start align-items-center";
 97     				break;
 98     			case "align-middle-center-text-center":
 99     				alignment = "text-center justify-content-center align-items-center";
100     				break;
101     			case "align-middle-right-text-right":
102     				alignment = "text-end justify-content-end align-items-center";
103     				break;
104     			case "align-bottom-left-text-left":
105     				alignment = "text-start justify-content-start align-items-end";
106     				break;
107     			case "align-bottom-center-text-center":
108     				alignment = "text-center justify-content-center align-items-end";
109     				break;
110     			case "align-bottom-right-text-right":
111     				alignment = "text-end justify-content-end align-items-end";
112     				break;
113     		}
114     
115     		<div class="position-relative h-100 @(posterHeight) item_@Model.Item.SystemName.ToLower()" data-dw-colorscheme="@Model.ColorScheme?.Id">
116     			@if (!string.IsNullOrEmpty(groupImage))
117     			{
118     				string imageFilter = Model.Item.GetRawValueString("ImageFilter", "");
119     				imageFilter = imageFilter == "no-filter" ? "" : imageFilter;
120     				imageFilter = imageFilter == "filter" ? " image-filter" : imageFilter;
121     
122     				<div class="position-absolute top-0 bottom-0 end-0 start-0@(imageFilter)">
123     					@RenderPartial("Components/Image.cshtml", new FileViewModel { Path = groupImage }, parms)
124     				</div>
125     			}
126     
127     			@if (!hideTitle || !hideDescription)
128     			{
129     				<div data-swift-container class="h-100">
130     					<div class="h-100 w-100 position-relative d-flex @(alignment)">
131     						<div class="@(maxWidth)">
132     							@if (!hideTitle)
133     							{
134     								<h1 class="@titleFontSize" @(!string.IsNullOrEmpty(titleColor) ? $"style=\"color: {titleColor}\"" : "")>@headerName</h1>
135     							}
136     
137     							@if (!hideDescription && !string.IsNullOrEmpty(groupDescription))
138     							{
139     								<div class="@descriptionFontSize mb-0-last-child">
140     									@groupDescription
141     								</div>
142     							}
143     						</div>
144     					</div>
145     				</div>
146     			}
147     
148     		</div>
149     	}
150     	else if (Pageview.IsVisualEditorMode)
151     	{
152     		<div class="alert alert-dark m-0" role="alert">
153     			<span>@Translate("Product group poster: The poster paragraph will be shown here, if any")</span>
154     		</div>
155     	}
156     }
157     else if (Pageview.IsVisualEditorMode)
158     {
159     	<div class="alert alert-dark m-0" role="alert">
160     		<span>@Translate("Product group poster: The poster paragraph will be shown here, if any")</span>
161     	</div>
162     }
163