Error executing template "/Designs/Swift/Paragraph/GBG_ProductDownloadPublication.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
   at CompiledRazorTemplates.Dynamic.RazorEngine_34b36b3834894df499d7d796ca6ab365.Execute() in D:\dynamicweb.net\Solutions\Degree\granberg.cloud.dynamicweb-cms.com\Files\Templates\Designs\Swift\Paragraph\GBG_ProductDownloadPublication.cshtml:line 25
   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.Ecommerce.CustomerExperienceCenter.Favorites
  4     
  5     @functions {
  6         public ProductViewModel product { get; set; } = new ProductViewModel();
  7     }
  8     
  9     @{
 10         if (Dynamicweb.Context.Current.Items.Contains("ProductDetails"))
 11         {
 12             product = (ProductViewModel)Dynamicweb.Context.Current.Items["ProductDetails"];
 13         }
 14         else if (Pageview.Page.Item["DummyProduct"] != null)
 15         {
 16             var pageViewModel = Dynamicweb.Frontend.ContentViewModelFactory.CreatePageInfoViewModel(Pageview.Page);
 17             ProductListViewModel productList = pageViewModel.Item.GetValue("DummyProduct") != null ? pageViewModel.Item.GetValue("DummyProduct") as ProductListViewModel : new ProductListViewModel();
 18     
 19             if (productList?.Products is object)
 20             {
 21                 product = productList.Products[0];
 22             }
 23         }
 24     
 25         string uniqueId = $"{product.Id}_{product.VariantId.Replace(".", "_")}_{Pageview.CurrentParagraph.ID}";
 26     
 27         var selectedCatalogs = Model.Item.GetList("SelectedCatalogs")?.GetRawValue()?.OfType<string>();
 28         int catalogCount = 0;
 29     
 30         string horizontalAlign = Model.Item.GetRawValueString("HorizontalAlignment", string.Empty);
 31         horizontalAlign = horizontalAlign == "center" ? "justify-content-center" : horizontalAlign;
 32         horizontalAlign = horizontalAlign == "end" ? "justify-content-end" : horizontalAlign;
 33         horizontalAlign = horizontalAlign == "full" ? string.Empty : horizontalAlign;
 34     
 35         string buttonSize = Model.Item.GetRawValueString("ButtonSize", "regular");
 36     
 37         switch (buttonSize)
 38         {
 39             case "small":
 40                 buttonSize = " btn-sm";
 41                 break;
 42             case "regular":
 43                 buttonSize = string.Empty;
 44                 break;
 45             case "large":
 46                 buttonSize = " btn-lg";
 47                 break;
 48         }
 49     
 50         string iconPath = "/Files/icons/";
 51     
 52         string flexFill = Model.Item.GetRawValueString("HorizontalAlignment", "") == "full" ? "flex-fill" : string.Empty;
 53         string fullWidth = Model.Item.GetRawValueString("HorizontalAlignment", "") == "full" ? "w-100" : string.Empty;
 54         string icon = Model.Item.GetRawValueString("Icon", iconPath + "printer.svg");
 55         string label = !icon.Contains("_none") ? $"<span class=\"icon-2\">{ReadFile(icon)}</span>" : string.Empty;
 56         label += !icon.Contains("_none") && !Model.Item.GetBoolean("HideButtonText") ? " " : string.Empty;
 57         label += !Model.Item.GetBoolean("HideButtonText") && !string.IsNullOrEmpty(Model.Item.GetString("Title")) ? Model.Item.GetString("Title") : string.Empty;
 58     }
 59     
 60     @if (product is object && selectedCatalogs != null && selectedCatalogs.Any())
 61     {
 62         var ecomLanguages = Dynamicweb.Ecommerce.Services.Languages.GetLanguages();
 63         var currencies = Dynamicweb.Ecommerce.Services.Currencies.GetAllCurrencies();
 64         var languageId = Dynamicweb.Ecommerce.Common.Context.LanguageID;
 65         var areaEcomLanguageId = Pageview.Area.EcomLanguageId;
 66         var areaEcomCurrencyId = Pageview.Area.EcomCurrencyId;
 67         
 68         <div class="d-none @horizontalAlign @fullWidth item_@Model.Item.SystemName.ToLower()">
 69             <button type="button" class="download-publication-btn btn btn-primary @(buttonSize) @flexFill" data-bs-toggle="modal" data-bs-target="#DownloadPublicationModal@(uniqueId)" style="white-space: nowrap" title="@Model.Item.GetString("Title")" id="DownloadPublication@(uniqueId)">
 70                 @if (!Model.Item.GetBoolean("HideButtonText"))
 71                 {
 72                     <span class="text-nowrap d-flex align-items-center justify-content-center gap-2">
 73                         @label
 74                     </span>
 75                 }
 76                 else
 77                 {
 78                     @label
 79                 }
 80             </button>
 81         </div>
 82     
 83         <div class="modal fade" id="DownloadPublicationModal@(uniqueId)" tabindex="-1" aria-labelledby="#DownloadPublicationModalLabel@(uniqueId)" aria-hidden="true">
 84             <div class="modal-dialog modal-dialog-centered modal-dialog-scrollable">
 85                 <form target="_blank" action="/Default.aspx?ID=@selectedCatalogs.FirstOrDefault()" method="post" class="modal-content" id="DownloadPublicationModalForm@(uniqueId)">
 86                     <input type="hidden" name="mainproductid" value="@product.Id">
 87                     <input type="hidden" name="print" value="true">
 88     
 89                     @if (!string.IsNullOrEmpty(product.VariantId))
 90                     {
 91                         <input type="hidden" name="VariantId" value="@product.VariantId">
 92                     }
 93     
 94                     <div class="modal-header">
 95                         <h1 class="modal-title fs-5" id="DownloadPublicationModalLabel@(uniqueId)">@Translate("Publication for print")</h1>
 96                         <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
 97                     </div>
 98                     <div class="modal-body p-3">
 99                         @if (Model.Item.GetBoolean("ShowLanguageSelector") && ecomLanguages.Count() > 1)
100                         {
101                             <div class="mb-4">
102                                 <label class="form-label">@Translate("Language")</label>
103                                 <select name="RequestLanguageID" class="form-select" aria-label="@Translate("Language")">
104                                     @foreach (var language in ecomLanguages)
105                                     {
106                                         var selected = string.Empty;
107                                         if (language.LanguageId.Equals(areaEcomLanguageId, StringComparison.OrdinalIgnoreCase))
108                                         {
109                                             selected = "selected";
110                                         }
111                                         <option @selected value="@language.LanguageId">@language.GetDisplayName()</option>
112                                     }
113                                 </select>
114                             </div>
115                         }
116     
117                         @if (Model.Item.GetBoolean("ShowCurrencySelector"))
118                         {
119                             <div class="mb-4" id="CurrencySelector@(uniqueId)">
120                                 <label class="form-label">@Translate("Currency")</label>
121                                 <select name="RequestCurrencyCode" class="form-select" aria-label="@Translate("Currency")">
122                                     @foreach (var currency in currencies)
123                                     {
124                                         var selected = string.Empty;
125                                         if (currency.Code.Equals(areaEcomCurrencyId, StringComparison.OrdinalIgnoreCase))
126                                         {
127                                             selected = "selected";
128                                         }
129                                         <option @selected value="@currency.Code">@currency.GetName(languageId)</option>
130                                     }
131                                 </select>
132                             </div>
133                         }
134     
135                         @if (Model.Item.GetBoolean("ShowPriceSelector"))
136                         {
137                             <div class="mb-4">
138                                 <label class="form-label">@Translate("Show price")</label>
139                                 <div class="form-check">
140                                     <input class="form-check-input" type="radio" name="hideprice" value="false" id="HidePriceFalse@(uniqueId)" checked onchange="document.querySelector('#CurrencySelector@(uniqueId)').classList.remove('d-none')">
141                                     <label class="form-check-label" for="HidePriceFalse@(uniqueId)">
142                                         @Translate("Yes")
143                                     </label>
144                                 </div>
145                                 <div class="form-check">
146                                     <input class="form-check-input" type="radio" name="hideprice" value="true" id="HidePriceTrue@(uniqueId)" onchange="document.querySelector('#CurrencySelector@(uniqueId)').classList.add('d-none')">
147                                     <label class="form-check-label" for="HidePriceTrue@(uniqueId)">
148                                         @Translate("No")
149                                     </label>
150                                 </div>
151                             </div>
152                         }
153     
154                         @if (Model.Item.GetBoolean("ShowCommentField"))
155                         {
156                             <div class="mb-4">
157                                 <label for="DealerComment@(uniqueId)">@Translate("Comment")</label>
158                                 <textarea name="DealerComment" class="form-control" rows="6" placeholder="@Translate("Leave a comment here")" id="DealerComment@(uniqueId)"></textarea>
159                             </div>
160                         }
161                     </div>
162                     <div class="modal-footer">
163                         <button type="button" onclick="GetPublication(event)" data-bs-dismiss="modal" class="btn btn-primary">@Translate("Print")</button>
164                     </div>
165                 </form>
166             </div>
167         </div>
168     
169         <script>
170             const GetPublication = (e) => {
171                 const clickedButton = e.currentTarget;
172                 const form = clickedButton.closest('form');
173     
174                 form.closest('form').submit();
175     
176                 commentField = form.querySelector('textarea[name="DealerComment"]');
177                 commentField.value = "";
178             };
179         </script>
180     }
181     else if (Pageview.IsVisualEditorMode)
182     {
183         <div class="d-flex @horizontalAlign @fullWidth item_@Model.Item.SystemName.ToLower()">
184             <button type="button" class="btn btn-primary @(buttonSize) @flexFill" data-bs-toggle="modal" data-bs-target="#DownloadPublicationModal@(uniqueId)" style="white-space: nowrap" title="@Model.Item.GetString("Title")" id="DownloadPublication@(uniqueId)">
185                 @if (!Model.Item.GetBoolean("HideButtonText"))
186                 {
187                     <span class="text-nowrap d-flex align-items-center justify-content-center gap-2">
188                         @label
189                     </span>
190                 }
191                 else
192                 {
193                     @label
194                 }
195             </button>
196         </div>
197     }
198     
199     <script>
200     if (document.querySelector(".publication-redirect-btn") && document.querySelector(".download-publication-btn")){
201     	const redirectBtn = document.querySelector(".publication-redirect-btn");
202     	const publicationBtn = document.querySelector(".download-publication-btn");
203     	redirectBtn.addEventListener("click",e=>{
204     			publicationBtn.click();
205     	})
206     }
207     </script>
208