Error executing template "Designs/Swift-v2/Paragraph/Swift-v2_ProductDefaultImage.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
   at CompiledRazorTemplates.Dynamic.RazorEngine_54383a43615944e3b07b22ca1b7d95cb.<>c__DisplayClass0_0.<ExecuteAsync>b__2(MediaViewModel x)
   at System.Collections.Generic.List`1.RemoveAll(Predicate`1 match)
   at CompiledRazorTemplates.Dynamic.RazorEngine_54383a43615944e3b07b22ca1b7d95cb.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.Ecommerce.ProductCatalog
  3     @using Dynamicweb.Ecommerce.CustomerExperienceCenter.Favorites
  4     
  5     @{
  6     	ProductViewModel product = null;
  7     	if (Dynamicweb.Context.Current.Items.Contains("ProductDetails"))
  8     	{
  9     		product = (ProductViewModel)Dynamicweb.Context.Current.Items["ProductDetails"];
 10     	}
 11     	else if (Pageview.Page.Item["DummyProduct"] != null && Pageview.IsVisualEditorMode)
 12     	{
 13     		var pageViewModel = Dynamicweb.Frontend.ContentViewModelFactory.CreatePageInfoViewModel(Pageview.Page);
 14     		ProductListViewModel productList = pageViewModel.Item.GetValue("DummyProduct") != null ? pageViewModel.Item.GetValue("DummyProduct") as ProductListViewModel : new ProductListViewModel();
 15     
 16     		if (productList?.Products is object)
 17     		{
 18     			product = productList.Products[0];
 19     		}
 20     	}
 21     }
 22     
 23     @if (product is object)
 24     {
 25     	string imagePath = product?.DefaultImage?.Value ?? "";
 26     	string imagePathUrlEncoded = Dynamicweb.Context.Current.Server.UrlEncode(imagePath);
 27     
 28     	string ratio = Model.Item.GetRawValueString("ImageAspectRatio", "");
 29     	ratio = ratio != "0" ? ratio : "";
 30     	string ratioCssClass = ratio != "" ? " ratio" : "";
 31     	string ratioVariable = ratio != "" ? "--bs-aspect-ratio: " + ratio : "";
 32     
 33     	string width = Model.Item.GetRawValueString("Width", "auto");
 34     	int smallImageSize = 640;
 35     	int largeImageSize = width == "auto" ? 1280 : Convert.ToInt32(width);
 36     
 37     	string ImageObjectFit = Model.Item.GetRawValueString("ImageObjectFit", "contain");
 38     
 39     	string imagePathXs = "/Admin/Public/GetImage.ashx?width=" + smallImageSize + "&image=" + imagePathUrlEncoded + "&format=webp";
 40     	string imagePathS = "/Admin/Public/GetImage.ashx?width=" + largeImageSize + "&image=" + imagePathUrlEncoded + "&format=webp";
 41     	string imagePathFallBack = "/Admin/Public/GetImage.ashx?width=" + largeImageSize + "&image=" + imagePathUrlEncoded + "&format=webp";
 42     
 43     	bool showFavoritesSelector = !string.IsNullOrEmpty(Model.Item.GetString("ShowAddToFavorites")) ? Model.Item.GetBoolean("ShowAddToFavorites") : false;
 44     	string anonymousUsersLimitations = Pageview.AreaSettings.GetRawValueString("AnonymousUsers", "");
 45     	bool anonymousUser = Pageview.User == null;
 46     
 47     	var favoriteParameters = new Dictionary<string, object>();
 48     	if (!anonymousUser && showFavoritesSelector)
 49     	{
 50     		int defaultFavoriteListId = 0;
 51     
 52     		IEnumerable<FavoriteList> favoreiteLists = Pageview.User.GetFavoriteLists();
 53     		if (favoreiteLists.Count() == 1)
 54     		{
 55     			foreach (FavoriteList list in favoreiteLists)
 56     			{
 57     				defaultFavoriteListId = list.ListId;
 58     			}
 59     		}
 60     
 61     		favoriteParameters.Add("ListId", defaultFavoriteListId);
 62     	}
 63     
 64     	MediaViewModel alternativeImage = new MediaViewModel();
 65     	if (Model.Item.GetBoolean("ShowAlternativeImageOnHover")) {
 66     		var selectedImageCategories = Model.Item.GetList("GetAlternativeImageFrom")?.GetRawValue().OfType<string>().ToList();
 67     		List<MediaViewModel> allAssetsImages = product.AssetCategories.Where(x => selectedImageCategories.Contains(x.SystemName)).SelectMany(x => x.Assets).ToList();
 68     		allAssetsImages.RemoveAll(x => x.Value == product.DefaultImage.Value);
 69     		alternativeImage = allAssetsImages.FirstOrDefault();
 70     	}
 71     
 72     	string altImagePathXs = string.Empty;
 73     	string altImagePathS = string.Empty;
 74     
 75     	if (!string.IsNullOrEmpty(alternativeImage?.Value))
 76     	{
 77     		altImagePathXs = "/Admin/Public/GetImage.ashx?width=" + smallImageSize + "&image=" + Dynamicweb.Context.Current.Server.UrlEncode(alternativeImage.Value) + "&format=webp";
 78     		altImagePathS = "/Admin/Public/GetImage.ashx?width=" + largeImageSize + "&image=" + Dynamicweb.Context.Current.Server.UrlEncode(alternativeImage.Value) + "&format=webp";
 79     	}
 80     
 81     	string colorSchemeBorder = !string.IsNullOrWhiteSpace(Model.ColorScheme?.Id) ? "border: 1px solid rgba(0,0,0,0)" : "";
 82     	string imageId = "ProductImage_" + product.Id + product.VariantId.Replace(".", "_");
 83     	string fullWidth = width == "auto" ? "w-100" : "";
 84     	string customWidth = width != "auto" ? "style=\"width: " + width + "px\"" : "style=\"min-width: 60px\"";
 85     
 86     	if (!string.IsNullOrEmpty(imagePath))
 87     	{
 88     		<figure class="h-100 @fullWidth position-relative item_@Model.Item.SystemName.ToLower()" @customWidth data-dw-colorscheme="@Model.ColorScheme?.Id">
 89     			<div class="ratio" style="@(ratioVariable)">
 90     				<div class="d-flex justify-content-center align-items-center">
 91     					@if (imagePath.StartsWith("/Files/", StringComparison.OrdinalIgnoreCase))
 92     					{
 93     						<img id="@imageId"
 94     							 srcset="
 95     								@imagePathXs @(smallImageSize)w,
 96     								@imagePathS  @(largeImageSize)w"
 97     							 sizes="(max-width: 992px) 50vw, 25vw"
 98     							 src="@imagePathFallBack"
 99     							 @if (Model.Item.GetBoolean("ShowAlternativeImageOnHover") && !string.IsNullOrEmpty(alternativeImage?.Value)) { <text>
100     							 data-alternative-image="
101     									@altImagePathXs @(smallImageSize)w,
102     									@altImagePathS  @(largeImageSize)w"
103     							 onmouseover="swift.Image.swapImage(event)"
104     							 onmouseout="swift.Image.swapImage(event)"
105     							 </text> }
106     							 loading="lazy"
107     							 decoding="async"
108     							 class="h-100 w-100"
109     						 	 style="object-fit: @ImageObjectFit; @colorSchemeBorder"
110     							 alt="@product.Name"
111     							itemprop="image">
112     					}
113     					else
114     					{
115     						<img id="@imageId" 
116     							src="/Files/@product.DefaultImage.Value"
117     							 loading="lazy"
118     							 class="h-100 w-100"
119     							 style="object-fit: contain; @colorSchemeBorder"
120     							 alt="@product.Name" 
121     							 itemprop="image">
122     					}
123     				</div>
124     			</div>
125     
126     			@if (!anonymousUser)
127     			{
128     				if (showFavoritesSelector)
129     				{
130     					<div class="position-absolute top-0 end-0 my-3" style="z-index: 2">
131     						@RenderPartial("Components/ToggleFavorite.cshtml", product, favoriteParameters)
132     					</div>
133     				}
134     			}
135     		</figure>
136     	}
137     }
138     else if (Pageview.IsVisualEditorMode)
139     {
140     	<div class="alert alert-dark m-0">@Translate("The default image will be shown here, if any")</div>
141     }
142