S171-16E

Error executing template "Designs/Swift/Paragraph/Custom_RelatedProducts.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
at Dynamicweb.Ecommerce.Products.Categories.ProductCategoryFieldGroupValueService.GetOrderedInheritableParentIds(Group group, String defaultLanguageId)
at Dynamicweb.Ecommerce.Products.Categories.ProductCategoryFieldGroupValueService.RecursivelySearchForFieldValues(Group group, String defaultLanguageId, List`1 categoryFields)
at Dynamicweb.Ecommerce.Products.Categories.ProductCategoryFieldGroupValueService.RecursivelySearchForFieldValues(Group group, String defaultLanguageId, List`1 categoryFields)
at Dynamicweb.Ecommerce.Products.Categories.ProductCategoryFieldGroupValueService.RecursivelySearchForFieldValues(Group group, String defaultLanguageId, List`1 categoryFields)
at Dynamicweb.Ecommerce.Products.Categories.ProductCategoryFieldGroupValueService.RecursivelySearchForFieldValues(Group group, String defaultLanguageId, List`1 categoryFields)
at System.Lazy`1.ViaFactory(LazyThreadSafetyMode mode)
at System.Lazy`1.ExecutionAndPublication(LazyHelper executionAndPublication, Boolean useDefaultConstructor)
at System.Lazy`1.CreateValue()
at Dynamicweb.Ecommerce.Products.Categories.ProductCategoryFieldGroupValueService.GetGroupFieldValuesByLanguage(Group group, List`1 categoryFields, String languageId, Boolean isInheritedValue, Boolean searchRecursively)
at Dynamicweb.Ecommerce.Products.Categories.ProductCategoryFieldGroupValueService.GetGroupCategoryFieldValues(IEnumerable`1 groups, List`1 fields, Boolean allowFallback)
at Dynamicweb.Ecommerce.Products.Categories.ProductCategoryFieldGroupValueService.GetDefaultCategoryValuesFromGroups(IEnumerable`1 groupInfos, List`1 catFields)
at Dynamicweb.Ecommerce.Products.Categories.ProductCategoryFieldValueService.GetProductCategoryFieldValue(Product product, String categoryId, Field field)
at Dynamicweb.Ecommerce.ProductCatalog.ViewEngine.CreateView(ProductViewModelSettings settings, Product product, Field field)
at Dynamicweb.Ecommerce.ProductCatalog.ViewEngine.GetFieldDisplayGroupValues(ProductViewModelSettings settings, Product product, String languageID, Lazy`1 productIds)
at Dynamicweb.Ecommerce.ProductCatalog.ViewEngine.<>c__DisplayClass3_1.<BulkCreateView>b__59()
at Dynamicweb.Ecommerce.ProductCatalog.ViewModelPropertyFiller`1.Fill[S](T model, String propertyName, Func`1 source)
at Dynamicweb.Ecommerce.ProductCatalog.ViewEngine.BulkCreateView(ProductViewModelSettings settings, Boolean isRecursive, IList`1 products)
at Dynamicweb.Ecommerce.ProductCatalog.ViewEngine.CreateView(ProductViewModelSettings settings, Product product)
at CompiledRazorTemplates.Dynamic.RazorEngine_a6f01f4f58b44571895a4fb9d3243558.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.Core
  3     @using Dynamicweb.Ecommerce.ProductCatalog
  4     @using System.Linq
  5     @using Dynamicweb.Environment
  6     @using Application.Extensions
  7     @using Scantruck.Website.Custom.ViewModels
  8  9     @if (!Pageview.IsVisualEditorMode)
 10     {
 11 12         string lazyHeight = Model.Item?.GetBoolean("SetMinHeightForLazyLoading") == true ? "min-height: 360px" : "";
 13         string theme = !string.IsNullOrWhiteSpace(Model.Item?.GetRawValueString("Theme")) ? " theme " + Model.Item.GetRawValueString("Theme").Replace(" ", "").Trim().ToLower() : "";
 14         int paragraphId = !string.IsNullOrEmpty(Dynamicweb.Context.Current.Request.Form.Get("ParagraphId")) ? Convert.ToInt32(Dynamicweb.Context.Current.Request.Form.Get("ParagraphId")) : 0;
 15 16         //Link generation
 17         string pageId = Model.Item?.GetLink("ProductSliderServicePage")?.PageId.ToString() ?? "";
 18         string servicePageByNavigationTag = GetPageIdByNavigationTag("RelatedProductSliderService") != 0 ? GetPageIdByNavigationTag("RelatedProductSliderService").ToString() : "";
 19         pageId = string.IsNullOrEmpty(pageId) ? servicePageByNavigationTag : pageId;
 20         string HrefTarget = Model.Item?.GetBoolean("OpenNewWindow") == true ? "_blank" : "";
 21 22         bool productViewModelFound = false;
 23         ProductViewModel product = new ProductViewModel();
 24 25         ProductViewModelSettings productSetting = new ProductViewModelSettings
 26                     {
 27                         LanguageId = Dynamicweb.Ecommerce.Common.Context.LanguageID,
 28                         CurrencyCode = Dynamicweb.Ecommerce.Common.Context.Currency.Code,
 29                         CountryCode = Dynamicweb.Ecommerce.Common.Context.Country.Code2,
 30                         ShopId = Pageview.Area.EcomShopId
 31                     };
 32 33         if (Dynamicweb.Context.Current.Items.Contains("ProductDetails"))
 34         {
 35             productViewModelFound = true;
 36             product = Dynamicweb.Context.Current.Items["ProductDetails"] as ProductViewModel;
 37         }
 38 39         string title = Model?.Item?.GetRawValueString("Title", Translate("Products"));
 40 41         if (product?.RelatedGroups?.Count > 0)
 42         {
 43             <div class="custom-related-products">
 44                 @if (!string.IsNullOrWhiteSpace(title))
 45                 {
 46                     <h2 class="custom-related-products__title">@title</h2>
 47                 }
 48                 @if (product.RelatedGroups.Count > 1)
 49                 {
 50                     <ul class="custom-related-products__menu tabs tabs--related">
 51                         <li id="related-tabs-toggle" class="tabs__tab__toggle">
 52                             <span class="tab-toggle__text"></span>
 53                             <svg class="tabs__tab__toggle__icon" :class="{ 'tabs__tab__toggle__icon--active': isToggleActive }" xmlns="http://www.w3.org/2000/svg" width="14" height="8" viewBox="0 0 14 8">
 54                                 <path d="M13.6641 2.56489L7.18487 8L6.79492 8L0.33073 2.56489L1.74055 1.42186e-07L7.00489 4.30534L12.2542 1.6812e-08L13.6641 2.56489Z" />
 55                             </svg>
 56                         </li>
 57                         <li>
 58                             <ul class="tabs__dropdown custom-related-products__menu__button-container">
 59                                 @{
 60                                     int buttonCount = 0;
 61                                 }
 62                                 @foreach (var relatedGroup in product.RelatedGroups.OrderBy(x => x.Id))
 63                                 {
 64                                     <li id="button-@relatedGroup.Id.ToLower()" data-swiper-target="#swiper-@relatedGroup.Id.ToLower()" class="tabs__tab @(buttonCount == 0 ? "tabs__tab--active" : "") custom-related-products__menu__button-container__button @(buttonCount == 0 ? "custom-related-products__menu__button-container__button--active" : "")">@relatedGroup.Name</li>
 65 66                                     buttonCount++;
 67                                 }
 68                             </ul>
 69                         </li>
 70                     </ul>
 71                 }
 72                 <div class="custom-product-slider" id="related-product-sliders">
 73                     @{
 74                         int groupCount = 0;
 75                     }
 76 77                     @foreach (var relatedGroup in product.RelatedGroups.OrderBy(x => x.Id))
 78                     {
 79                         <div id="swiper-@relatedGroup.Id.ToLower()" class="swiper swiper-@relatedGroup.Id.ToLower() swiper-container @(groupCount > 0 ? "collapse" : "collapse show")">
 80                             <div class="swiper-controls-container container-xl">
 81                                 <div class="swiper-pagination swiper-pagination-@relatedGroup.Id.ToLower() swiper-controls-container__custom-slider"></div>
 82                                 <div class="swiper-controls-container__button-container">
 83                                     <div class="swiper-button-next swiper-button-@relatedGroup.Id.ToLower()-next button-box ">
 84                                         <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16" fill="none">
 85                                             <path d="M6.11959e-07 9L12.17 9L6.58 14.59L8 16L16 8L8 -6.99382e-07L6.59 1.41L12.17 7L7.86805e-07 7L6.11959e-07 9Z" fill="black" />
 86                                         </svg>
 87                                     </div>
 88                                     <div class="swiper-button-prev swiper-button-@relatedGroup.Id.ToLower()-prev button-box ">
 89                                         <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16" fill="none">
 90                                             <path d="M16 7H3.83L9.42 1.41L8 0L0 8L8 16L9.41 14.59L3.83 9H16V7Z" fill="black" />
 91                                         </svg>
 92                                     </div>
 93                                 </div>
 94                             </div>
 95                             <div class="swiper-wrapper">
 96                                 @foreach (var relatedProduct in relatedGroup.Products.Take(10))
 97                                 {
 98                                     var productInfo = ViewModelFactory.CreateView(productSetting, relatedProduct.ProductId) as CustomProductViewModel;
 99                                     if (productInfo == null) continue;
100101                                     var imagePath = productInfo.HasImages ? productInfo.DefaultImage.Value : productInfo.GetCustomDefaultImage(Pageview.AreaID);
102103                                     // Cache product fields
104                                     var productFields = productInfo.ProductFields;
105106                                     // Extract CustomProductType
107                                     int customProductType = 0;
108                                     if (productFields.TryGetValue("CustomProductType", out var typeField)
109                                     && typeField is Dynamicweb.Ecommerce.ProductCatalog.FieldValueViewModel typeValue
110                                     && typeValue.Value is List<Dynamicweb.Ecommerce.ProductCatalog.FieldOptionValueViewModel> typeList
111                                     && typeList.Any())
112                                     {
113                                         customProductType = Convert.ToInt32(typeList.First().Value);
114                                     }
115116                                     // Extract CustomProductCondition
117                                     int customProductCondition = 0;
118                                     if (productFields.TryGetValue("CustomProductCondition", out var conditionField)
119                                     && conditionField is Dynamicweb.Ecommerce.ProductCatalog.FieldValueViewModel conditionValue
120                                     && conditionValue.Value is List<Dynamicweb.Ecommerce.ProductCatalog.FieldOptionValueViewModel> condList
121                                     && condList.Any())
122                                     {
123                                         customProductCondition = Convert.ToInt32(condList.First().Value);
124                                     }
125126127                                     // Determine classification and premium status
128                                     bool hasClassification = false, isPremium = false;
129                                     string classification = "";
130131                                     if (productInfo.ProductCategories?.TryGetValue("specifications_bc", out var categoryFields) == true && categoryFields.Fields != null)
132                                     {
133                                         var bcFields = categoryFields.Fields;
134                                         classification = bcFields.TryGetValue("M_0010500", out var classField) && classField?.Value != null ? classField.Value.ToString() : "";
135                                         hasClassification = !string.IsNullOrWhiteSpace(classification);
136137                                         isPremium = bcFields.TryGetValue("M_0090530", out var premiumField) && bool.TryParse(premiumField?.Value?.ToString(), out var premium) && premium;
138                                     }
139140                                     if (Pageview.AreaID == 6) hasClassification = false;
141142                                     // Navigation Tag and Spec Fallback
143                                     string navigationTag = "ShopNewMachines";
144                                     string specFallbackGroup = "AllSpecs";
145146                                     if (customProductType != 2) // 2 == maskiner
147                                     {
148                                         navigationTag = customProductCondition == 2 ? "ShopNewEquipment" : "ShopOldEquipment";
149                                     }
150                                     else
151                                     {
152                                         navigationTag = customProductCondition == 2 ? "ShopNewMachines" : "ShopUsedMachines";
153                                         specFallbackGroup = customProductCondition == 2 ? "NewMachinesDefaultListSpecs" : "UsedMachinesDefaultListSpecs";
154                                     }
155156                                     var link = productInfo.GetProductLink(GetPageIdByNavigationTag(navigationTag), false);
157158                                     @if (!string.IsNullOrWhiteSpace(productInfo.PrimaryOrDefaultGroup?.Id))
159                                     {
160                                         <div class="swiper-slide custom-product-slider__item">
161                                             <div class="custom-product-slider__item-iner">
162                                                 <a href="@link" class="custom-product-slider__item-name">
163                                                     @productInfo.Name
164                                                     @if (hasClassification)
165                                                     {
166                                                         <span class="classification-badge classification-badge--@classification.Replace("+", "_plus")"></span>
167                                                     }
168                                                 </a>
169170                                                 <a href="@link" class="custom-product-slider__item-media">
171                                                     <picture>
172                                                         <img src="@imagePath" alt="@productInfo.Name">
173                                                     </picture>
174                                                     <div class="custom-product-slider__item-media-overlay"></div>
175                                                     <div class="custom-product-slider__item-tags">
176                                                         <div class="custom-product-slider__item-link">
177                                                             <span class="text">@Translate("Se produkt")</span>
178                                                             <span class="icon">
179                                                                 <svg viewBox="0 0 21 21" fill="none" xmlns="http://www.w3.org/2000/svg">
180                                                                     <path d="M0.9875 11.6029L15.5915 11.6029L8.8835 18.3109L10.5875 20.0029L20.1875 10.4029L10.5875 0.802928L8.8955 2.49493L15.5915 9.20293L0.9875 9.20293L0.9875 11.6029Z" fill="currentColor" />
181                                                                 </svg>
182                                                             </span>
183                                                         </div>
184                                                     </div>
185186                                                     @if (isPremium)
187                                                     {
188                                                         <div class="product-badge product-badge--premium">@Translate("ProductBadge:Premium")</div>
189                                                     }
190                                                 </a>
191192                                                 @if (productInfo.Price?.Price > 0)
193                                                 {
194                                                     <div class="custom-product-slider__item-price">
195                                                         <span class="custom-product-slider__item-price-text">@Translate("excl. VAT")</span>
196                                                         <span class="custom-product-slider__item-price-value">
197                                                             @productInfo.Price.PriceWithoutVat.ToString("N2") @productInfo.Price.CurrencyCode
198                                                         </span>
199                                                     </div>
200                                                 }
201202                                                 @{
203                                                     var productGroup = productInfo.Groups?.FirstOrDefault();
204                                                     var specGroup = productGroup != null ? productInfo.FieldDisplayGroups?.Values?.FirstOrDefault(group => group.Id.Contains(productGroup.Id)) : null;
205                                                     var defaultGroup = productInfo.FieldDisplayGroups?.Values?.FirstOrDefault(group => group.Id == specFallbackGroup);
206                                                     var groupToUse = specGroup != null && specGroup.Fields.Count > 0 ? specGroup : defaultGroup;
207                                                 }
208209                                                 @if (groupToUse != null && groupToUse.Fields.Count > 0)
210                                                 {
211                                                     <div class="custom-product-slider__item-specs">
212                                                         @foreach (var fieldViewModel in groupToUse.Fields.Take(5))
213                                                         {
214                                                             var field = fieldViewModel.Value;
215                                                             var value = field.Value?.ToString();
216                                                             if (!string.IsNullOrWhiteSpace(value) && value != "0")
217                                                             {
218                                                                 value = value == "False" ? Translate("No") : value == "True" ? Translate("Yes") : value;
219220                                                                 <div class="custom-product-slider__item-specs-line">
221                                                                     <span class="name">@Translate(field.SystemName == "ProductNumber" ? "Product Number" : field.Name)</span>
222                                                                     <span class="value">
223                                                                         @(field.Type == "Double" ? StringFormatExtensions.FormatDecimal(value, Pageview.Area.CultureInfo.ToString()) : value)
224                                                                     </span>
225                                                                 </div>
226                                                             }
227                                                         }
228                                                     </div>
229                                                 }
230                                             </div>
231                                         </div>
232                                     }
233                                 }
234                             </div>
235                         </div>
236237                         <script type="module">
238                             const swiper = new Swiper('.swiper-@relatedGroup.Id.ToLower()', {
239                                 slidesPerView: 'auto',
240                                 spaceBetween: 20,
241                                 speed: 600,
242                                 navigation: {
243                                     nextEl: '.swiper-button-@relatedGroup.Id.ToLower()-next',
244                                     prevEl: '.swiper-button-@relatedGroup.Id.ToLower()-prev'
245                                 },
246                                 pagination: {
247                                     el: '.swiper-pagination-@relatedGroup.Id.ToLower()',
248                                     type: 'progressbar'
249                                 }
250                             })
251                         </script>
252253                         groupCount++;
254                     }
255                 </div>
256             </div>
257258             <script>
259                 document.querySelectorAll('.custom-related-products__menu__button-container__button').forEach(button => {
260                     button.addEventListener('click', event => {
261                         document.querySelector('.custom-related-products__menu__button-container__button--active').classList.remove('custom-related-products__menu__button-container__button--active');
262                         button.classList.add('custom-related-products__menu__button-container__button--active');
263264                         document.querySelector('.swiper.show').classList.remove('show');
265                         document.querySelector(button.getAttribute('data-swiper-target')).classList.add('show');
266                     })
267                 });
268             </script>
269270             <script>
271                 const relatedTabLinks = document.querySelectorAll('.custom-related-products__menu .tabs__tab');
272                 const relatedTabToggle = document.getElementById('related-tabs-toggle');
273                 const relatedDropdown = document.querySelector('.custom-related-products__menu .tabs__dropdown');
274                 const relatedIcon = document.querySelector('.custom-related-products__menu .tabs__tab__toggle__icon');
275276                 function toggleRelatedDropdown() {
277                     relatedDropdown.classList.toggle('tabs__dropdown--active');
278                     relatedTabToggle.classList.toggle('tabs__tab__toggle--active');
279                     relatedIcon.classList.toggle('tabs__tab__toggle__icon--active');
280                 }
281282                 relatedTabLinks.forEach(link => {
283                     link.addEventListener('click', function (e) {
284                         const activeTab = document.querySelector('.custom-related-products__menu .tabs__tab--active');
285                         activeTab.classList.remove('tabs__tab--active');
286                         this.classList.add('tabs__tab--active');
287288                         relatedTabToggle.querySelector('.tab-toggle__text').textContent = this.textContent;
289                         toggleRelatedDropdown();
290                     });
291                 });
292293                 relatedTabToggle.addEventListener('click', function () {
294                     toggleRelatedDropdown();
295                 });
296297                 relatedTabToggle.querySelector('.tab-toggle__text').textContent = document.querySelector('.custom-related-products__menu .tabs__tab--active').textContent;
298             </script>
299300         }
301     }
302     else
303     {
304         <div class="alert alert-dark m-0">@Translate("No products available")</div>
305     }
306