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Error executing template "Designs/Swift/Paragraph/Swift_ProductListItemRepeater.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
   at CompiledRazorTemplates.Dynamic.RazorEngine_9007eb53378b4c6fadb1c53951b14cf2.Execute() in D:\dynamicweb.net\Solutions\Novicell\awintherbikes.cloud.dynamicweb-cms.com\Files\Templates\Designs\Swift\Paragraph\Swift_ProductListItemRepeater.cshtml:line 285
   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 Dynamicweb.Ecommerce.ProductCatalog
  3     @using Dynamicweb.Core
  4     @using Dynamicweb.Ecommerce.CustomerExperienceCenter.Favorites
  5     @using Dynamicweb.Environment
  6     
  7     @functions
  8     {
  9     	string liveInfoClass = "";
 10     }
 11     
 12     @{ 
 13     	bool isDetailPage = !string.IsNullOrEmpty(Dynamicweb.Context.Current.Request.QueryString.Get("ProductID"));
 14     	string theme = !string.IsNullOrWhiteSpace(Model.Item.GetRawValueString("Theme")) ? " theme " + Model.Item.GetRawValueString("Theme").Replace(" ", "").Trim().ToLower() : "";
 15     
 16     	string productInfoFeed = "";
 17     	bool isLazyLoadingForProductInfoEnabled = Dynamicweb.Core.Converter.ToBoolean(Dynamicweb.Context.Current.Items["IsLazyLoadingForProductInfoEnabled"]);
 18     	if (isLazyLoadingForProductInfoEnabled)
 19     	{
 20     		if (Dynamicweb.Context.Current.Items.Contains("ProductInfoFeed"))
 21     		{
 22     			productInfoFeed = Dynamicweb.Context.Current.Items["ProductInfoFeed"]?.ToString();
 23     			if (!string.IsNullOrEmpty(productInfoFeed))
 24     			{
 25     				productInfoFeed = $"data-product-info-feed=\"{productInfoFeed}\"";
 26     			}
 27     		}
 28     		liveInfoClass = "js-live-info";
 29     	}
 30     
 31     }
 32     
 33     @if (!isDetailPage) {
 34     	<div class="h-100@(theme) item_@Model.Item.SystemName.ToLower()" @productInfoFeed>
 35     		@{
 36     			bool isVisualEditor = !string.IsNullOrEmpty(Dynamicweb.Context.Current.Request.QueryString.Get("VisualEdit")) ? Convert.ToBoolean(Dynamicweb.Context.Current.Request.QueryString.Get("VisualEdit")) : false;
 37     
 38     			ProductListViewModel productList = new ProductListViewModel();
 39     
 40     			string googleTagManagerID = Pageview.AreaSettings.GetString("GoogleTagManagerID");
 41     			string googleAnalyticsMeasurementID = Pageview.AreaSettings.GetString("GoogleAnalyticsMeasurementID");
 42     			var cookieOptInLevel = CookieManager.GetCookieOptInLevel();
 43     			bool allowTracking = cookieOptInLevel == CookieOptInLevel.All || (cookieOptInLevel == CookieOptInLevel.Functional && CookieManager.GetCookieOptInCategories().Contains("Statistical"));
 44     
 45     			ProductListViewModelSettings productListSetting = new ProductListViewModelSettings
 46     			{
 47     				LanguageId = Dynamicweb.Ecommerce.Common.Context.LanguageID,
 48     				CurrencyCode = Dynamicweb.Ecommerce.Common.Context.Currency.Code,
 49     				CountryCode = Dynamicweb.Ecommerce.Common.Context.Country.Code2,
 50     				ShopId = Pageview.Area.EcomShopId
 51     			};
 52     
 53     			int productsCount = 0;
 54     			int maxProductsCounter = 0;
 55     
 56     			if (Dynamicweb.Context.Current.Items.Contains("ProductList"))
 57     			{
 58     				productList = (ProductListViewModel)Dynamicweb.Context.Current.Items["ProductList"];
 59     			}
 60     			else if (Pageview.Item["DummyProductGroup"] != null)
 61     			{
 62     				var pageViewModel = Dynamicweb.Frontend.ContentViewModelFactory.CreatePageInfoViewModel(Pageview.Page);
 63     				ProductListViewModel groupList = pageViewModel.Item.GetValue("DummyProductGroup") != null ? pageViewModel.Item.GetValue("DummyProductGroup") as ProductListViewModel : new ProductListViewModel();
 64     
 65     				if (groupList?.Group?.Id != null)
 66     				{
 67     					productList = ViewModelFactory.CreateView(productListSetting, groupList.Group.Id);
 68     					Dynamicweb.Context.Current.Items.Add("ProductList", productList);
 69     				}
 70     				else
 71     				{
 72     					productList = ViewModelFactory.CreateView(productListSetting, Dynamicweb.Ecommerce.Services.ProductGroups.GetGroups(Dynamicweb.Ecommerce.Common.Context.LanguageID).FirstOrDefault().Id);
 73     
 74     					Dynamicweb.Context.Current.Items.Add("ProductList", productList);
 75     				}
 76     			}
 77     			else if (Pageview.Item["DummyProductGroup"] == null)
 78     			{
 79     				productList = ViewModelFactory.CreateView(productListSetting, Dynamicweb.Ecommerce.Services.ProductGroups.GetGroups(Dynamicweb.Ecommerce.Common.Context.LanguageID).FirstOrDefault().Id);
 80     				Dynamicweb.Context.Current.Items.Add("ProductList", productList);
 81     			}
 82     
 83     			if (Pageview.Page.Item.SystemName == "Swift_ProductListComponentEdit")
 84     			{
 85     				if (productList.TotalProductsCount == 0)
 86     				{
 87     					ProductViewModelSettings productSetting = new ProductViewModelSettings
 88     					{
 89     						LanguageId = Dynamicweb.Ecommerce.Common.Context.LanguageID,
 90     						CurrencyCode = Dynamicweb.Ecommerce.Common.Context.Currency.Code,
 91     						CountryCode = Dynamicweb.Ecommerce.Common.Context.Country.Code2,
 92     						ShopId = Pageview.Area.EcomShopId
 93     					};
 94     
 95     					foreach (var product in Dynamicweb.Ecommerce.Services.Products.GetLastActiveProducts(3, Dynamicweb.Ecommerce.Common.Context.LanguageID, false))
 96     					{
 97     						var productView = ViewModelFactory.CreateView(productSetting, product.Id);
 98     						productList.Products.Add(productView);
 99     					}
100     
101     					Dynamicweb.Context.Current.Items["ProductList"] = productList;
102     				}
103     
104     				productList.TotalProductsCount = 3;
105     				productList.PageSize = 3;
106     				maxProductsCounter = 3;
107     			}
108     
109     			string groupId = productList?.Group?.Id != null ? productList.Group.Id : "";
110     			string url = Dynamicweb.Context.Current.Request.RawUrl;
111     
112     			if (productList.TotalProductsCount > 0)
113     			{
114     				int pageSizeSetting = 30;
115     				int pageSize = productList.PageSize;
116     				pageSize += pageSizeSetting;
117     
118     				int loadedProducts = productList.PageSize > productList.TotalProductsCount ? productList.TotalProductsCount : productList.PageSize;
119     				string searchQuery = !string.IsNullOrEmpty(Dynamicweb.Context.Current.Request.QueryString.Get("q")) ? Dynamicweb.Context.Current.Request.QueryString.Get("q") : "";
120     				string searchLayout = !string.IsNullOrEmpty(Dynamicweb.Context.Current.Request.QueryString.Get("SearchLayout")) ? Dynamicweb.Context.Current.Request.QueryString.Get("SearchLayout") : "";
121     
122     				int listItemSourcePageId = Model.Item.GetInt32("ListComponentSource");
123     				var page = Dynamicweb.Content.Services.Pages.GetPage(listItemSourcePageId);
124     
125     				if (page != null)
126     				{
127     					var pageViewModel = Dynamicweb.Frontend.ContentViewModelFactory.CreatePageInfoViewModel(page);
128     
129     					string gridColumnSize = Model.Item.GetRawValueString("GridLayoutDesktop", "3-columns");
130     					gridColumnSize = gridColumnSize == "2-columns" ? "g-col-lg-6" : gridColumnSize;
131     					gridColumnSize = gridColumnSize == "3-columns" ? "g-col-lg-4" : gridColumnSize;
132     					gridColumnSize = gridColumnSize == "4-columns" ? "g-col-lg-3" : gridColumnSize;
133     					gridColumnSize = gridColumnSize == "6-columns" ? "g-col-lg-2" : gridColumnSize;
134     					gridColumnSize = gridColumnSize == "list" ? "" : gridColumnSize;
135     
136     					string gridColumnMobileSize = Model.Item.GetRawValueString("GridLayoutMobile", "2-columns");
137     					gridColumnMobileSize = gridColumnMobileSize == "list" ? "g-col-12" : gridColumnMobileSize;
138     					gridColumnMobileSize = gridColumnMobileSize == "2-columns" ? "g-col-6" : gridColumnMobileSize;
139     
140     					string listItemTheme = " theme " + pageViewModel.Item.GetRawValueString("Theme", string.Empty).Replace(" ", "").Trim().ToLower();
141     					string listItemPadding = pageViewModel.Item.GetRawValueString("ContentPadding", string.Empty);
142     					string listItemPaddingClass = string.Empty;
143     
144     					switch (listItemPadding)
145     					{
146     						case "small":
147     							listItemPaddingClass = " p-2 p-xl-3";
148     							break;
149     						case "large":
150     							listItemPaddingClass = " p-3 p-xl-4";
151     							break;
152     						case "small-x":
153     							listItemPaddingClass = " px-2 px-md-3";
154     							break;
155     						case "large-x":
156     							listItemPaddingClass = " px-3 px-md-4";
157     							break;
158     					}
159     
160     			<div class="grid">
161     				@if ((!string.IsNullOrWhiteSpace(googleAnalyticsMeasurementID) || !string.IsNullOrWhiteSpace(googleTagManagerID)) && allowTracking)
162     				{
163     					<script>
164     						gtag("event", "view_item_list", {
165     							item_list_id: "product_list_item_repeater",
166     							item_list_name: "Product list (Item Repeater)",
167     							items: [
168     								@foreach (ProductViewModel product in productList.Products)
169     								{
170     									<text>{
171     										item_id: "@product.Number",
172     										item_name: "@Dynamicweb.Core.Encoders.HtmlEncoder.JavaScriptStringEncode(product.Name)",
173     										currency: "@product.Price.CurrencyCode",
174     										price: @product.Price.Price
175     									},</text>
176     								}
177     							]
178     						});
179     					</script>
180     				}
181     
182     				@foreach (ProductViewModel product in productList.Products)
183     				{
184     					if (maxProductsCounter == 0 || (productsCount < maxProductsCounter)) {
185     						string link = product.GetProductLink(GetPageIdByNavigationTag("Shop"), false);
186     
187     								if (Dynamicweb.Context.Current.Items.Contains("ProductDetails"))
188     								{
189     									Dynamicweb.Context.Current.Items["ProductDetails"] = product;
190     								}
191     								else
192     								{
193     									Dynamicweb.Context.Current.Items.Add("ProductDetails", product);
194     								}
195     
196     						if (Model.Item.GetString("ListComponentSource") != null) {
197     							<article class="@gridColumnMobileSize @gridColumnSize @listItemTheme @listItemPaddingClass d-flex flex-column position-relative product js-product @liveInfoClass" data-product-id="@product.Id" itemscope itemtype="https://schema.org/Product">
198     								@{
199     									string clickProductLink = string.Empty;
200     									if ((!string.IsNullOrWhiteSpace(googleAnalyticsMeasurementID) || !string.IsNullOrWhiteSpace(googleTagManagerID)) && allowTracking)
201     									{
202     										clickProductLink = "onclick=\"return clickProductLink('" + @product.Id + "', '" + @product.Name + "', '" + @product.VariantName + "', '" + @product.Price.CurrencyCode + "', '" + @product.Price.Price + "')\"";
203     									}
204     								}
205     								<a href="@link" class="stretched-link" onmouseover="swift.Image.swapImage(event)" onmouseout="swift.Image.swapImage(event)" @clickProductLink>
206     									<span class="visually-hidden">@product.Name</span>
207     								</a>
208     								@if ((!string.IsNullOrWhiteSpace(googleAnalyticsMeasurementID) || !string.IsNullOrWhiteSpace(googleTagManagerID)) && allowTracking)
209     								{
210     									<script>
211     										function clickProductLink(productId, productName, productVariant, productCurrency, productPrice) {
212     											if (typeof gtag !== "undefined") {
213     												gtag("event", "select_item", {
214     													item_list_id: "product_list_item_repeater",
215     													item_list_name: "Product list (Item Repeater)",
216     													items: [
217     														{
218     															item_id: productId,
219     															item_name: productName,
220     															currency: productCurrency,
221     															item_list_id: "product_list_item_repeater",
222     															item_list_name: "Product list (Item Repeater)",
223     															item_variant: productVariant,
224     															price: productPrice
225     														}
226     													]
227     												});
228     											}
229     										}
230     									</script>
231     								}
232     								@RenderGrid(listItemSourcePageId)
233     							</article>
234     						}
235     
236     								productsCount++;
237     							}
238     						}
239     					</div>
240     
241     					<div class="my-3">
242     						<div class="text-center">
243     							<div class="opacity-85 mb-3">@loadedProducts @Translate("out of") @productList.TotalProductsCount @Translate("products")</div>
244     							@if (productList.PageCount != 1 && maxProductsCounter == 0)
245     							{
246     								string sortBySelection = Dynamicweb.Context.Current.Request?.Form["SortBy"] ?? "";
247     								sortBySelection = !string.IsNullOrEmpty(Dynamicweb.Context.Current.Request.QueryString.Get("SortBy")) ? Dynamicweb.Context.Current.Request.QueryString.Get("SortBy") : sortBySelection;
248     
249     								<form method="get" action="@url" data-response-target-element="content" class="w-100">
250     									@if (productList?.FacetGroups != null)
251     									{
252     										foreach (FacetGroupViewModel facetGroup in productList.FacetGroups)
253     										{
254     											foreach (FacetViewModel facetItem in facetGroup.Facets)
255     											{
256     												foreach (FacetOptionViewModel facetOption in facetItem.Options)
257     												{
258     													if (facetOption.Selected)
259     													{
260     														<input type="hidden" name="@facetItem.QueryParameter" value="[@facetOption.Value]">
261     													}
262     												}
263     											}
264     										}
265     									}
266     
267     									@if (!string.IsNullOrEmpty(searchQuery))
268     									{
269     										<input type="hidden" name="q" value="@searchQuery">
270     										<input type="hidden" name="SearchLayout" value="@searchLayout">
271     									}
272     
273     									@if (productList?.Group?.Id != null)
274     									{
275     										<input type="hidden" name="GroupId" value="@productList.Group.Id">
276     									}
277     
278     									<input type="hidden" name="PageSize" value="@pageSize">
279     									<input type="hidden" name="SortBy" value="@sortBySelection">
280     									<input type="hidden" name="RequestType" value="UpdateList">
281     
282     									@{
283     										string nextPageLink = "/Default.aspx?ID=" + Pageview.Page.ID + "&PageSize=" + pageSize + "&SortBy=" + sortBySelection;
284     
285     										foreach (FacetGroupViewModel facetGroup in productList.FacetGroups)
286     										{
287     											foreach (FacetViewModel facetItem in facetGroup.Facets)
288     											{
289     												foreach (FacetOptionViewModel facetOption in facetItem.Options)
290     												{
291     													if (facetOption.Selected)
292     													{
293     														nextPageLink += "&" + facetItem.QueryParameter + "=[" + facetOption.Value + "]";
294     													}
295     												}
296     											}
297     										}
298     
299     										nextPageLink += productList?.Group?.Id != null ? "&GroupID=" + productList.Group.Id : "";
300     										nextPageLink += !string.IsNullOrEmpty(searchQuery) ? "&q=" + searchQuery : "";
301     									}
302     
303     									<a href="@nextPageLink" class="btn btn-primary" type="button" onclick="swift.ProductList.Update(event)" id="LoadMoreButton_@Model.ID">@Translate("Load more products")</a>
304     								</form>
305     							}
306     						</div>
307     					</div>
308     
309     					<script>
310     						function switchVariantProduct(id, price, imagesrc) {
311     							var productImageElement = document.querySelector("#ProductImage_" + id);
312     							var productPriceElement = document.querySelector("#ProductPrice_" + id + " .text-price");
313     
314     							if (productPriceElement) {
315     								productPriceElement.innerText = price;
316     							}
317     
318     							if (productImageElement) {
319     								productImageElement.src = imagesrc;
320     
321     								var imageSrcset = productImageElement.srcset;
322     								imageSrcset = imageSrcset.replace(/image=.*?&/g, 'image=' + imagesrc + "&");
323     
324     								productImageElement.srcset = imageSrcset;
325     							}
326     						}
327     					</script>
328     				}
329     				else if (Pageview.IsVisualEditorMode)
330     				{
331     					<div class="alert alert-dark m-0" role="alert">
332     						<span>@Translate("The selected component does not exist anymore")</span>
333     					</div>
334     				}
335     			}
336     			else
337     			{
338     				string noProductsFoundMessage = !string.IsNullOrEmpty(Model.Item.GetString("NoProductsFoundMessage")) ? Model.Item.GetString("NoProductsFoundMessage") : Translate("We did not find anything matching your search result");
339     				bool hasSubgroups = false;
340     
341     				if (productList.SubGroups != null)
342     				{
343     					hasSubgroups = productList.SubGroups.Any();
344     				}
345     
346     				if (!Model.Item.GetBoolean("HideNoProductsFoundMessage"))
347     				{
348     					if (!isVisualEditor)
349     					{
350     						<div class="alert alert-dark m-0" role="alert">
351     							@noProductsFoundMessage
352     						</div>
353     					}
354     					else
355     					{
356     						<div class="alert alert-dark m-0" role="alert">
357     							@Translate("Product list: The list will be shown here, if any")
358     						</div>
359     					}
360     				}
361     				else if (!hasSubgroups)
362     				{
363     					<div class="alert alert-dark m-0" role="alert">
364     						@noProductsFoundMessage
365     					</div>
366     				}
367     			}
368     		}
369     	</div>
370     }
371