Inspiration

Error executing template "Designs/Swift/Paragraph/Swift_ArticleList.cshtml"
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at Dynamicweb.Content.Items.Queries.Repository.IsPageAllowed(Page page)
   at Dynamicweb.Content.Items.Queries.Repository.GetPagesByIds(IEnumerable`1 parentIds, Boolean includeChildItems, Boolean checkPermissions, List`1& childPages)
   at Dynamicweb.Content.Items.Queries.Repository.SelectByParentPageIds(IEnumerable`1 parentIds, Query query, Boolean includeParagraphs, Boolean includeChildItems, Boolean checkPermissions, Boolean includeInheritedItems)
   at Dynamicweb.ItemPublisher.Frontend.GetItems()
   at Dynamicweb.ItemPublisher.Frontend.List()
   at Dynamicweb.ItemPublisher.Frontend.GetContent()
   at Dynamicweb.ItemPublisher.Frontend.GetContentBySettings(String settings)
   --- End of inner exception stack trace ---
   at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
   at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at Dynamicweb.Extensibility.AddIns.AddInManager.InvokeFunction(Object instance, String functionName, Object[] arguments)
   at Dynamicweb.Rendering.TemplateBase`1.RenderItemList(Object settings)
   at CompiledRazorTemplates.Dynamic.RazorEngine_b6aff219569644ca9652ad48b0ba44bb.<>c__DisplayClass0_0.<RenderArticleList>b__0(TextWriter __razor_helper_writer) in C:\Projects\Mancon\Custom\Mancon\Files\Templates\Designs\Swift\Paragraph\Swift_ArticleList.cshtml:line 130
   at CompiledRazorTemplates.Dynamic.RazorEngine_b6aff219569644ca9652ad48b0ba44bb.Execute() in C:\Projects\Mancon\Custom\Mancon\Files\Templates\Designs\Swift\Paragraph\Swift_ArticleList.cshtml:line 24
   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     
  3     @{
  4     	string listSource = Model.Item.GetRawValueString("ListSource", Model.PageID.ToString());
  5     	string listBehaviour = Model.Item.GetRawValueString("ListBehaviour", "articles");
  6     	string articleListSortOrder = Model.Item.GetRawValueString("ArticleListSortOrder", "Descending");
  7     	string articleListLayout = Model.Item.GetRawValueString("ArticleListLayout", "grid");
  8     	string columnTheme = Model.Item.GetRawValueString("ColumnTheme", string.Empty);
  9     	string columnThemeClass = columnTheme != string.Empty ? " theme " + columnTheme + " p-3" + (articleListLayout == "carousel" ? " px-lg-4" : string.Empty) : string.Empty;
 10     
 11     	int maxItemsInList = !string.IsNullOrEmpty(Model.Item.GetInt32("MaxItemsInList").ToString()) ? Model.Item.GetInt32("MaxItemsInList") : 10;
 12     
 13     	<div class="h-100@(columnThemeClass) item_@Model.Item.SystemName.ToLower()">
 14     		<a id="@Model.ID" class="user-select-none" style="scroll-margin-top:var(--header-height,150px)"></a>
 15     		
 16     	@switch (articleListLayout)
 17     	{
 18     		case "grid":
 19     
 20     				{
 21     					if (listBehaviour == "articles")
 22     					{@RenderArticleList("Swift_Article", listSource, maxItemsInList, articleListSortOrder) }
 23     				if (listBehaviour == "lists")
 24     				{ @RenderArticleList("Swift_ArticleListPage", listSource, maxItemsInList, articleListSortOrder) }
 25     		}
 26     
 27     		break;
 28     
 29     	case "carousel":
 30     		var carouselSettings = Model.Item.GetRawValueString("CarouselSettings", "4");
 31     		string slidesPerPage = $"slider-item-show{carouselSettings}";
 32     		string navigationStyle = $"{Model.Item.GetRawValueString("NavigationStyle", "slider-nav-round")}";
 33     		string navigationPlacement = $"{Model.Item.GetRawValueString("NavigationPlacement", "slider-nav-on-slides")}";
 34     		string indicatorStyle = $"{Model.Item.GetRawValueString("IndicatorStyle", string.Empty)}";
 35     		string revealSlides = Model.Item.GetRawValueString("RevealSlides", "reveal") == "reveal" ? "slider-item-reveal" : string.Empty;
 36     		string sliderItemsGap = Model.Item.GetRawValueString("SliderItemsGap", "slider-item-gap") == "slider-item-nogap" ? "slider-item-nogap" : string.Empty;
 37     		string navigationAlwaysVisible = (Model.Item.GetBoolean("NavigationAlwaysVisible")) ? "slider-nav-visible" : string.Empty;
 38     		string navigationVisibleOnTouch = (Model.Item.GetBoolean("NavigationVisibleOnTouch")) ? "slider-nav-touch" : string.Empty;
 39     		string navigationShowScrollbar = (Model.Item.GetBoolean("NavigationShowScrollbar")) ? "slider-nav-scrollbar" : string.Empty;
 40     		string scrollBarForceMobile = (Model.Item.GetBoolean("NavigationShowScrollbar")) ? "--swiffy-slider-track-height:0.5rem !important;" : string.Empty;
 41     		string navigationSmall = (Model.Item.GetBoolean("NavigationSmall")) ? "slider-nav-sm" : string.Empty;
 42     		string navigationInvertColors = (Model.Item.GetBoolean("NavigationInvertColors")) ? "slider-nav-dark" : string.Empty;
 43     		string navigationSlideEntirePage = (Model.Item.GetBoolean("NavigationSlideEntirePage")) ? "slider-nav-page" : string.Empty;
 44     		string navigationNoLoop = (Model.Item.GetBoolean("NavigationNoLoop")) ? "slider-nav-noloop" : string.Empty;
 45     		string indicatorsOutsideSlider = (Model.Item.GetBoolean("IndicatorsOutsideSlider") && indicatorStyle != string.Empty) ? "slider-indicators-outside" : string.Empty;
 46     		string indicatorsHighlightActive = (Model.Item.GetBoolean("IndicatorsHighlightActive")) ? "slider-indicators-highlight" : string.Empty;
 47     		string indicatorsInvertColors = (Model.Item.GetBoolean("IndicatorsInvertedColors")) ? "slider-indicators-dark" : string.Empty;
 48     		string indicatorsVisibleOnSmallDevices = (Model.Item.GetBoolean("IndicatorsVisibleOnSmallDevices")) ? "slider-indicators-sm" : string.Empty;
 49     		string animation = Model.Item.GetRawValueString("Animation", string.Empty) != string.Empty ? $"slider-nav-animation {Model.Item.GetRawValueString("Animation")}" : string.Empty;
 50     		string autoplay = (Model.Item.GetBoolean("Autoplay")) ? "slider-nav-autoplay" : string.Empty;
 51     		string autoplayInterval = Model.Item.GetRawValueString("AutoplayInterval", string.Empty);
 52     		bool hideSliderNavigation = false;
 53     
 54     		if (navigationStyle == "slider-nav-none")
 55     		{
 56     			hideSliderNavigation = true;
 57     		}
 58     
 59     		<div id="Slider_@Model.ID" class="swiffy-slider @(slidesPerPage) @(navigationStyle) @(revealSlides) @(navigationPlacement) @(navigationAlwaysVisible) @(navigationVisibleOnTouch) @(sliderItemsGap) @(indicatorStyle) @(navigationShowScrollbar) @(navigationSmall) @(navigationInvertColors) @(indicatorsOutsideSlider) @(navigationNoLoop) @(indicatorsHighlightActive) @(indicatorsInvertColors) @(indicatorsVisibleOnSmallDevices) @(navigationSlideEntirePage) @(animation) @(autoplay) item_@Model.Item.SystemName.ToLower()" style="--swiffy-slider-nav-light:var(--swift-foreground-color);--swiffy-slider-nav-dark:var(--swift-background-color);visibility:hidden;opacity:0;@(scrollBarForceMobile)" data-slider-nav-autoplay-interval="@(autoplayInterval)">
 60     			<div class="slider-container pb-3 py-lg-3 px-lg-3 mt-lg-n3 mx-lg-n3">
 61     				@{
 62     					if (listBehaviour == "articles")
 63     					{ @RenderArticleList("Swift_Article", listSource, maxItemsInList, articleListSortOrder) }
 64     				if (listBehaviour == "lists")
 65     				{ @RenderArticleList("Swift_ArticleListPage", listSource, maxItemsInList, articleListSortOrder) }
 66     				}
 67     			</div>
 68     
 69     			@if (!hideSliderNavigation)
 70     			{
 71     				<button type="button" title="@Translate("Previous slide")" class="slider-nav" style="z-index:1;">
 72     					<span class="visually-hidden">@Translate("Previous slide")</span>
 73     				</button>
 74     				<button type="button" title="@Translate("Next slide")" class="slider-nav slider-nav-next" style="z-index:1;">
 75     					<span class="visually-hidden">@Translate("Next slide")</span>
 76     				</button>
 77     			}
 78     			@if (indicatorStyle != "slider-indicators-hidden")
 79     			{
 80     				<div class="slider-indicators" style="z-index:1;"></div>
 81     			}
 82     
 83     			<script type="module" src="/Files/Templates/Designs/Swift/Assets/js/swiffy-slider.js"></script>
 84     			<script type="module">
 85     					const slider = document.querySelector('#Slider_@Model.ID');
 86     
 87     					swift.AssetLoader.Load('/Files/Templates/Designs/Swift/Assets/css/swiffy-slider.min.css', 'css');
 88     					document.addEventListener('load.swift.assetloader', () => {
 89     						swiffyslider.initSlider(slider);
 90     						slider.style.opacity = 1;
 91     						slider.style.visibility = "visible";
 92     					});
 93     
 94     			</script>
 95     
 96     			@if (indicatorStyle != "slider-indicators-hidden")
 97     			{
 98     				<script type="module">
 99     						const slider = document.querySelector('#Slider_@Model.ID');
100     						const sliderContainer = slider.querySelector('.slider-container');
101     						let slides = sliderContainer.querySelectorAll('article');
102     						const sliderIndicators = slider.querySelector('.slider-indicators');
103     
104     						slides.forEach((slide,index) => {
105     							const indicator = document.createElement('template');
106     							indicator.innerHTML = `
107     								<button type="button" class="${index == 0 ? "active" : ""}" title='@Translate("Go to slide") ${index + 1}'>
108     									<span class="visually-hidden">@Translate("Go to slide") ${index + 1}</span>
109     								</button>
110     								`;
111     							sliderIndicators.appendChild(indicator.content);
112     						});
113     				</script>
114     			}
115     		</div>
116     
117     		break;
118     }
119     	</div>
120     }
121     
122     @helper RenderArticleList(string itemType, string listSource, int maxItemsInList, string articleListSortOrder)
123     {
124     	var parent = Dynamicweb.Context.Current.Request.QueryString.Get("list");
125     	var query = string.IsNullOrEmpty(parent) ? listSource : parent;
126     	var includeAllChildren = Model.Item.GetRawValueString("ListDepth", "all") == "all" ? true : false;
127     	var listContext = Model.Item?.GetRawValueString("ListContext", string.Empty).Split(new string[] { "," }, StringSplitOptions.RemoveEmptyEntries);
128     	var filterString = string.Join(" or ", listContext.Select(item => $"Tags == \"{item}\" or Tags ends with \",{item}\" or Tags starts with \"{item},\" or Tags contains \",{item},\""));
129     
130     	@RenderItemList(new
131     	{
132     		ItemType = itemType,
133     		ListTemplate = "ItemPublisher/List/List.cshtml",
134     		ItemFieldsList = "*",
135     		ListSourceType = "Page",
136     		ListSourcePage = query,
137     		ListPageSize = maxItemsInList,
138     		IncludeParagraphItems = true,
139     		ListOrderBy = "PublishedDate",
140     		ListSecondOrderBy = "Updated",
141     		ListOrderByDirection = articleListSortOrder,
142     		IncludeAllChildItems = includeAllChildren,
143     		Filter = itemType == "Swift_Article" ? filterString : null // Filter only if "articles only"
144     	})
145     }
146