Error executing template "Designs/Swift/Paragraph/Swift_ProductDetailsInfo.cshtml"
System.ArgumentNullException: Value cannot be null.
Parameter name: source
   at System.Linq.Enumerable.Where[TSource](IEnumerable`1 source, Func`2 predicate)
   at CompiledRazorTemplates.Dynamic.RazorEngine_1ecbe748485d47ea8fb5ec3fdd273fb6.Execute() in D:\dynamicweb.net\Solutions\scanoffice.cloud.dynamicweb-cms.com\Files\Templates\Designs\Swift\Paragraph\Swift_ProductDetailsInfo.cshtml:line 18
   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.Products.FieldDisplayGroups
  4     @using Dynamicweb.Frontend
  5     @using Dynamicweb.Ecommerce.Products
  6     @using ScanOffice.CustomModules
  7     @{
  8     	bool isVisualEditor = !string.IsNullOrEmpty(Dynamicweb.Context.Current.Request.QueryString.Get("VisualEdit")) ? Convert.ToBoolean(Dynamicweb.Context.Current.Request.QueryString.Get("VisualEdit")) : false;
  9     	bool userIsLoggedIn = Pageview.User != null && Pageview.User.ID > 0 ? true : false;
 10     	ProductViewModel product = new ProductViewModel();
 11     
 12     	if (Dynamicweb.Context.Current.Items.Contains("ProductDetails"))
 13     	{
 14     		product = (ProductViewModel)Dynamicweb.Context.Current.Items["ProductDetails"];
 15     	}
 16     	string ItemAvailabilityIdentifier = string.Join(".", product.Id, Dynamicweb.Ecommerce.Common.Context.LanguageID, "itemAvailableDate");
 17     
 18     	var _customerServiceETA = product.ProductFields.Where(x => x.Key == "CustomerServiceETA").FirstOrDefault().Value.Value;
 19     	bool customerServiceETA = _customerServiceETA == null ? false : Convert.ToBoolean(_customerServiceETA);
 20     
 21     	//SQSCOFECOM-250 - disable add to cart button with custom text message
 22     	string DisableAddToCartButton = product.ProductFields.Where(x => x.Key == "DisableAddToCartButton").FirstOrDefault().Value.Value.ToString();
 23     
 24     	var _expectedDeliveryDate = product.ProductFields.Where(x => x.Key == "ExpectedDeliveryDate").FirstOrDefault().Value.Value;
 25     	DateTime expectedDeliveryDate = Convert.ToDateTime(_expectedDeliveryDate);
 26     
 27     	var bundleIncludedProducts = product.ProductFields.Single(x => x.Key == "BundleIncludedProducts");
 28     	string bipValue = bundleIncludedProducts.Value.Value.ToString();
 29     	bool bipViewProduct = string.IsNullOrWhiteSpace(bipValue) || bipValue == " " ? false : true;
 30     
 31     	var hideproductfieldValue = product.ProductFields.Single(x => x.Key == "HideProduct").Value.Value.ToString();
 32     	bool productNotAvailable = Convert.ToBoolean(hideproductfieldValue);
 33     
 34     	string[] variantId = product.VariantId.Split('.');
 35     	string disableAddToCart = string.IsNullOrEmpty(product.VariantId) && product.VariantInfo.VariantInfo != null ? "disabled" : "";
 36     	string hideStockState = string.IsNullOrEmpty(product.VariantId) && product.VariantInfo.VariantInfo != null ? "d-none" : "";
 37     
 38     	string url = "/Default.aspx?ID=" + (GetPageIdByNavigationTag("CartService"));
 39     	if (!url.Contains("LayoutTemplate"))
 40     	{
 41     		url += url.Contains("?") ? "&LayoutTemplate=Swift_MiniCart.cshtml" : "?LayoutTemplate=Swift_MiniCart.cshtml";
 42     	}
 43     
 44     	IEnumerable<string> selectedDisplayGroups = Model.Item.GetList("MainFeatures").SelectedValues;
 45     	List<CategoryFieldViewModel> mainFeatures = new List<CategoryFieldViewModel>();
 46     
 47     	foreach (var selection in selectedDisplayGroups)
 48     	{
 49     
 50     		foreach (CategoryFieldViewModel group in product.FieldDisplayGroups.Values)
 51     		{
 52     
 53     			if (selection == group.Id)
 54     			{
 55     				mainFeatures.Add(group);
 56     			}
 57     		}
 58     	}
 59     
 60     	if (DisableAddToCartButton == "True")
 61     	{
 62     		disableAddToCart = "disabled";
 63     	}
 64     
 65     
 66     	string theme = !string.IsNullOrWhiteSpace(Model.Item.GetRawValueString("Theme")) ? " theme " + Model.Item.GetRawValueString("Theme").Replace(" ", "").Trim().ToLower() : "";
 67     
 68     	string titleFontSize = Model.Item.GetRawValueString("TitleFontSize", "display-6");
 69     
 70     	string contentPadding = Model.Item.GetRawValueString("ContentPadding", "");
 71     	contentPadding = contentPadding == "small" ? "p-2 p-md-3" : contentPadding;
 72     	contentPadding = contentPadding == "large" ? "p-4 p-md-5" : contentPadding;
 73     
 74     	string NoutovarastoTRE = product.ProductFields.Where(x => x.Key == "NoutovarastoTRE").FirstOrDefault().Value.Value.ToString();
 75     }
 76     
 77     <div class="h-100 @(contentPadding) @(theme)">
 78     	<div class="d-flex flex-column js-product">
 79     		<div>
 80     			<h4 class="lato-h4" itemprop="name">@product.Name</h4>
 81     			@if (!Model.Item.GetBoolean("HideProductNumber"))
 82     			{
 83     				<div class="open-sans-caption text-color-medium">@product.Number</div>
 84     			}
 85     		</div>
 86     
 87     		@if (!string.IsNullOrEmpty(product.ShortDescription))
 88     		{
 89     			<div class="mt-3 open-sans-body-one" itemprop="disambiguatingDescription">
 90     				@product.ShortDescription
 91     			</div>
 92     		}
 93     
 94     		@{
 95     			bool showWarehouseLocation = false;
 96     
 97     			if (Pageview.User != null)
 98     			{
 99     				if (Pageview.User.Groups != null)
100     				{
101     					showWarehouseLocation = Pageview.User.Groups.Any(g =>
102     						g?.CustomFieldValues?.Any(cfv =>
103     							cfv?.CustomField?.SystemName == "AccessUser_ShowWarehouseLocation" && cfv?.Value?.ToString().ToLower() == "true"
104     						) == true
105     					);
106     				}
107     
108     				if (!showWarehouseLocation && Pageview.User.CustomFieldValues != null)
109     				{
110     					showWarehouseLocation = Pageview.User.CustomFieldValues.Any(cfv =>
111     						cfv?.CustomField?.SystemName == "AccessUser_ShowWarehouseLocation" && cfv?.Value?.ToString().ToLower() == "true"
112     					);
113     				}
114     			}
115     
116     			if (showWarehouseLocation)
117     			{
118     				<div class="lato-h5" itemprop="warehouseLocation">
119     					@NoutovarastoTRE
120     				</div>
121     			}
122     		}
123     
124     		@if (userIsLoggedIn && !bipViewProduct && !Helpers.IsHiddedPrice())
125     		{
126     			<div>
127     				<span class="open-sans-caption text-color-medium">@Translate("Price")</span>
128     				<div class="h4 mb-0" itemprop="offers" itemscope itemtype="https://schema.org/Offer">
129     					<span itemprop="priceCurrency" content="@product.Price.CurrencyCode" class="d-none"></span>
130     					<span itemprop="price" content="@product.Price.Price" class="d-none"></span>
131     					<span class="text-price lato-h5 text-color-primary">@product.Price.PriceFormatted</span>
132     				</div>
133     				@if (product.Price.Price != product.PriceBeforeDiscount.Price)
134     				{
135     					<div class="text-decoration-line-through opacity-85">
136     						@product.PriceBeforeDiscount.PriceFormatted
137     					</div>
138     				}
139     			</div>}
140     
141     		@if (mainFeatures.Count > 0)
142     		{
143     			<div class="grid gap-0">
144     				@foreach (CategoryFieldViewModel mainFeatureGroup in mainFeatures)
145     				{
146     					foreach (var field in mainFeatureGroup.Fields)
147     					{
148     						@RenderField(field.Value)
149     					}
150     				}
151     			</div>
152     		}
153     
154     		@if (product.VariantInfo.VariantInfo != null)
155     		{
156     			int groupNumber = 1;
157     
158     			<div class="mb-3 js-variant-selector" data-combinations="@string.Join(",", product.VariantCombinations())">
159     				@foreach (var variantGroup in product.VariantGroups())
160     				{
161     					VariantGroupViewModel group = variantGroup;
162     
163     					<h3 class="h6">@group.Name</h3>
164     					<div class="mb-3 js-variant-group" data-group-id="@groupNumber">
165     						@foreach (var option in group.Options)
166     						{
167     							string active = variantId.Contains(option.Id) ? "active" : "";
168     
169     							if (!string.IsNullOrEmpty(option.Color))
170     							{
171     								<button type="button" class="btn colorbox rounded-circle me-1 mb-2 d-inline-block variant-option js-variant-option @active" style="background-color: @option.Color" onclick="swift.VariantSelector.OptionClick(event)" data-variant-id="@option.Id"></button>
172     							}
173     							else if (!string.IsNullOrEmpty(option.Color) && !string.IsNullOrEmpty(option.Image.Value))
174     							{
175     								<button type="button" class="btn p-0 d-inline-block mb-2 variant-option js-variant-option @active" onclick="swift.VariantSelector.OptionClick(event)" data-variant-id="@option.Id">
176     									<img src="/Admin/Public/GetImage.ashx?image=@(option.Image.Value)&width=42&Format=WebP&Quality=70" />
177     								</button>
178     							}
179     							else
180     							{
181     								<button type="button" class="btn btn-secondary d-inline-block mb-2 variant-option js-variant-option @active" onclick="swift.VariantSelector.OptionClick(event)" data-variant-id="@option.Id">
182     									@option.Name
183     								</button>
184     							}
185     						}
186     					</div>
187     
188     					groupNumber++;
189     				}
190     			</div>
191     		}
192     		@if (DisableAddToCartButton == "True" && !bipViewProduct)
193     		{
194     			string DisableAddToCartText = Helpers.GetAreaItemValue("DisableAddToCart");
195     			<div class="d-flex align-items-center">
196     				<small class="text-danger"><span class="open-sans-body-one"><i class="fas fa-circle instock"></i> @DisableAddToCartText</span></small>
197     			</div>
198     		}
199     		else if (!Model.Item.GetBoolean("HideStockState") && userIsLoggedIn && !bipViewProduct)
200     		{
201     			var ItemStatus = Helpers.ItemAvailabilityStatus(ItemAvailabilityIdentifier, customerServiceETA, expectedDeliveryDate, DisableAddToCartButton);
202     			<div class="mt-2 js-stock-state @hideStockState">
203     				<small class="@ItemStatus.Status"><span class="open-sans-body-one me-2"><i class="fas fa-circle instock"></i> @Translate(ItemStatus.statusText)</span></small>
204     			</div>
205     		}
206     		@if (userIsLoggedIn && !bipViewProduct)
207     		{
208     			if (!productNotAvailable)
209     			{
210     				<form method="post" action="@url" class="mt-3">
211     					<div class="d-flex flex-column">
212     						<input type="hidden" name="redirect" value="false" />
213     						<input type="hidden" name="ProductId" value="@product.Id" />
214     						<input type="hidden" name="cartcmd" value="add" />
215     
216     						@if (!string.IsNullOrEmpty(product.VariantId))
217     						{
218     							<input type="hidden" name="VariantId" value="@product.VariantId" />
219     						}
220     
221     						@if (!Model.Item.GetBoolean("QuantitySelector"))
222     						{
223     							<div class="flex-fill">
224     								<input id="Quantity_@product.Id" name="Quantity" value="1" type="hidden">
225     								<button type="button" onclick="swift.Cart.Update(event)" class="btn btn-primary js-add-to-cart-button w-100 @disableAddToCart" title="@Translate("Add to cart")" id="AddToCartButton@(product.Id)">@Translate("Add to cart")</button>
226     							</div>
227     						}
228     						else
229     						{
230     							<div class="flex-fill input-primary-button-group d-flex flex-row mb-2">
231     								<span class="btn btn-primary me-1 @disableAddToCart" onclick="swift.ProductList.UpdateProductQuantity('minus', 'Quantity_@product.Id.Replace("/",@"\\/")', '@product.PurchaseQuantityStep')"><i class="fas fa-minus fa-sm"></i></span>
232     								@if (product.PurchaseMinimumQuantity == 0)
233     								{
234     									<input id="Quantity_@product.Id" name="Quantity" value="1" class="form-control no-arrows mx-2 text-center" type="number" min="1">
235     								}
236     								else
237     								{
238     									<input id="Quantity_@product.Id" name="Quantity" value="@product.PurchaseMinimumQuantity" class="form-control no-arrows mx-2 text-center" type="number" min="@product.PurchaseMinimumQuantity">
239     
240     								}
241     								<span class="btn btn-primary ms-1 @disableAddToCart" onclick="swift.ProductList.UpdateProductQuantity('plus', 'Quantity_@product.Id.Replace("/",@"\\/")', '@product.PurchaseQuantityStep')"><i class="fas fa-plus fa-sm"></i></span>
242     							</div>
243     
244     							<div class="flex-fill input-group input-primary-button-group d-flex flex-row">
245     								<button type="button" onclick="swift.Cart.Update(event)" class="btn btn-primary flex-fill js-add-to-cart-button @disableAddToCart" title="@Translate("Add to cart")" id="AddToCartButton@(product.Id)">@Translate("Add to cart")</button>
246     							</div>
247     						}
248     					</div>
249     				</form>
250     			}
251     		}
252     	</div>
253     </div>
254     
255     @helper RenderField(FieldValueViewModel field)
256     {
257     	string fieldValue = field?.Value != null ? field.Value.ToString() : "";
258     	bool noValues = false;
259     
260     	if (!string.IsNullOrEmpty(fieldValue))
261     	{
262     		if (field.Value.GetType() == typeof(System.Collections.Generic.List<FieldOptionValueViewModel>))
263     		{
264     			System.Collections.Generic.List<FieldOptionValueViewModel> values = field.Value as System.Collections.Generic.List<FieldOptionValueViewModel>;
265     			noValues = values.Count > 0 ? false : true;
266     		}
267     	}
268     
269     	if (!string.IsNullOrEmpty(fieldValue) && noValues == false)
270     	{
271     		<dt class="g-col-12 g-col-sm-4 g-col-lg-12 fw-bold m-0">@field.Name</dt>
272     		<dd class="g-col-12 g-col-sm-8 g-col-lg-12 mb-3">
273     			@RenderFieldValue(field)
274     		</dd>
275     	}
276     }
277     
278     @helper RenderFieldValue(FieldValueViewModel field)
279     {
280     	string fieldValue = field?.Value != null ? field.Value.ToString() : "";
281     
282     	fieldValue = fieldValue == "False" ? Translate("No") : fieldValue;
283     	fieldValue = fieldValue == "True" ? Translate("Yes") : fieldValue;
284     
285     	bool isColor = false;
286     
287     	if (field.Value.GetType() == typeof(System.Collections.Generic.List<Dynamicweb.Ecommerce.ProductCatalog.FieldOptionValueViewModel>))
288     	{
289     		int valueCount = 0;
290     		System.Collections.Generic.List<FieldOptionValueViewModel> values = field.Value as System.Collections.Generic.List<FieldOptionValueViewModel>;
291     		int totalValues = values.Count;
292     
293     		foreach (FieldOptionValueViewModel option in values)
294     		{
295     			if (option.Value.Substring(0, 1) == "#")
296     			{
297     				isColor = true;
298     			}
299     
300     			if (!isColor)
301     			{
302     				@option.Name
303     			}
304     			else
305     			{
306     				<span class="colorbox-sm" style="background-color: @option.Value" title="@option.Value"></span>
307     			}
308     
309     			if (valueCount != totalValues && valueCount < (totalValues - 1))
310     			{
311     				if (isColor)
312     				{
313     					<text> </text>
314     				}
315     				else
316     				{
317     					<text>, </text>
318     				}
319     			}
320     			valueCount++;
321     		}
322     	}
323     	else
324     	{
325     		if (fieldValue.Substring(0, 1) == "#")
326     		{
327     			isColor = true;
328     		}
329     
330     		if (!isColor)
331     		{
332     			@fieldValue
333     		}
334     		else
335     		{
336     			<span class="colorbox-sm" style="background-color: @fieldValue" title="@fieldValue"></span>
337     		}
338     	}
339     }
340     
341     @if (product.VariantInfo.VariantInfo != null)
342     {
343     	<script>
344     		//Initialize the variant selector
345     		document.addEventListener('load', function (event) {
346     			swift.VariantSelector.init();
347     		});
348     	</script>
349     }
350     
351     <script>
352     	window.addEventListener('keydown', function (e) {
353     		if (e.keyIdentifier == 'U+000A' || e.keyIdentifier == 'Enter' || e.keyCode == 13) {
354     			if (e.target.nodeName == 'INPUT' && e.target.getAttribute("type") != "search") {
355     				e.preventDefault();
356     				return false;
357     			}
358     		}
359     	}, true);
360     </script>
361