Error executing template "Designs/Swift/Paragraph/Swift_ProductAddToCart.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
at CompiledRazorTemplates.Dynamic.RazorEngine_1fa61c8e38a6475894b0b6825a46e0d5.Execute() in F:\Domains\Sites\int-krvc.mydwsitec.com\Files\Templates\Designs\Swift\Paragraph\Swift_ProductAddToCart.cshtml:line 55
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.Encoders
4 @using System.Globalization
5
6 @functions {
7 string DoubleToString(double? value)
8 {
9 if (value.HasValue)
10 {
11 return value.Value.ToString(CultureInfo.InvariantCulture);
12 }
13 return null;
14 }
15 }
16
17 @{
18 ProductViewModel product = null;
19 if (Dynamicweb.Context.Current.Items.Contains("ProductDetails"))
20 {
21 product = (ProductViewModel)Dynamicweb.Context.Current.Items["ProductDetails"];
22 }
23 else if (Pageview.Page.Item["DummyProduct"] != null && Pageview.IsVisualEditorMode)
24 {
25 var pageViewModel = Dynamicweb.Frontend.ContentViewModelFactory.CreatePageInfoViewModel(Pageview.Page);
26 ProductListViewModel productList = pageViewModel.Item.GetValue("DummyProduct") != null ? pageViewModel.Item.GetValue("DummyProduct") as ProductListViewModel : new ProductListViewModel();
27
28 if (productList?.Products is object)
29 {
30 product = productList.Products[0];
31 }
32 }
33
34 //START CUSTOM CODE
35 // Resolve the replacement product up front so the "View Replacement" button links to the
36 // replacement's own product page instead of relying on a ?ProductId= redirect on the shop page.
37 string replacementProductLink = null;
38 if (product?.ReplacementProduct != null && !string.IsNullOrEmpty(product.ReplacementProduct.ProductId))
39 {
40 ProductViewModel replacementProduct = product.ReplacementProduct.GetProduct();
41 if (replacementProduct != null && !string.IsNullOrEmpty(replacementProduct.Id) && replacementProduct.Active)
42 {
43 replacementProductLink = replacementProduct.GetProductLink(GetPageIdByNavigationTag("Shop"), false);
44 }
45 }
46 //END CUSTOM CODE
47
48 bool showZeroPrice = Model.Item.GetString("ShowPrice") == "show";
49 string zeroPriceMessage = Model.Item.GetString("Message");
50
51 string anonymousUsersLimitations = Pageview.AreaSettings.GetRawValueString("AnonymousUsers", "");
52 bool anonymousUser = Pageview.User == null;
53 bool isErpConnectionDown = !Dna.Ecommerce.LiveIntegration.TemplatesHelper.IsWebServiceConnectionAvailable();
54 bool isLazyLoadingForProductInfoEnabled = Dna.Ecommerce.LiveIntegration.TemplatesHelper.IsLazyLoadingForProductInfoEnabled;
55 bool hideAddToCart = (anonymousUsersLimitations.Contains("cart") && anonymousUser) || (Pageview.AreaSettings.GetBoolean("ErpDownHideAddToCart") && isErpConnectionDown) || (!showZeroPrice && (product.Price.Price <= 0 && !isLazyLoadingForProductInfoEnabled));
56 hideAddToCart = Dna.SwiftRizzo.NonOrderable.Helpers.IsProductNonOrderable(product) || hideAddToCart;
57 hideAddToCart = Pageview.IsVisualEditorMode ? false : hideAddToCart;
58
59 string horizontalAlign = Model.Item.GetRawValueString("HorizontalAlignment", "");
60 horizontalAlign = horizontalAlign == "center" ? "justify-content-center" : horizontalAlign;
61 horizontalAlign = horizontalAlign == "end" ? "justify-content-end" : horizontalAlign;
62 horizontalAlign = horizontalAlign == "full" ? "" : horizontalAlign;
63
64 string fullWidth = Model.Item.GetRawValueString("HorizontalAlignment", "") == "full" ? "w-100" : "";
65 }
66
67 @if (product is object && !hideAddToCart)
68 {
69 bool favoritesSelector = !string.IsNullOrEmpty(Model.Item.GetString("ShowAddToFavorites")) ? Model.Item.GetBoolean("ShowAddToFavorites") : false;
70 bool quantitySelector = !string.IsNullOrEmpty(Model.Item.GetString("ShowQuantitySelector")) ? Model.Item.GetBoolean("ShowQuantitySelector") : false;
71 bool unitsSelector = !string.IsNullOrEmpty(Model.Item.GetString("ShowUnitsSelector")) ? Model.Item.GetBoolean("ShowUnitsSelector") : false;
72 bool hideInventory = !string.IsNullOrEmpty(Model.Item.GetString("HideInventory")) ? Model.Item.GetBoolean("HideInventory") : false;
73 bool hideStockState = !string.IsNullOrEmpty(Model.Item.GetString("HideStockState")) ? Model.Item.GetBoolean("HideStockState") : false;
74
75 string buttonSize = Model.Item.GetRawValueString("ButtonSize", "regular");
76 string inputSize = string.Empty;
77
78 switch (buttonSize)
79 {
80 case "small":
81 inputSize = " input-group-sm";
82 buttonSize = " btn-sm";
83 break;
84 case "regular":
85 buttonSize = string.Empty;
86 break;
87 case "large":
88 inputSize = " input-group-lg";
89 buttonSize = " btn-lg";
90 break;
91 }
92
93 string iconPath = "/Files/icons/";
94 string url = "/Default.aspx?ID=" + (GetPageIdByNavigationTag("CartService"));
95 if (!url.Contains("LayoutTemplate"))
96 {
97 url += url.Contains("?") ? "&LayoutTemplate=Swift_MiniCart.cshtml" : "?LayoutTemplate=Swift_MiniCart.cshtml";
98 }
99
100 string whenVariantsExist = Model.Item.GetRawValueString("WhenVariantsExist", "hide");
101 string flexFill = Model.Item.GetRawValueString("HorizontalAlignment", "") == "full" ? "flex-fill" : "";
102 string addToCartIcon = Model.Item.GetRawValueString("Icon", iconPath + "shopping-cart.svg");
103 string addToCartLabel = !addToCartIcon.Contains("_none") ? $"<span class=\"icon-2\">{ReadFile(addToCartIcon)}</span>" : "";
104 addToCartLabel += !addToCartIcon.Contains("_none") && !Model.Item.GetBoolean("HideButtonText") ? " " : "";
105 addToCartLabel += !Model.Item.GetBoolean("HideButtonText") ? $"<span class=\"d-none d-md-inline\">{Translate("Add to cart")}</span><span class=\"d-inline d-md-none\">{Translate("Add")}</span>" : "";
106
107 bool userHasPendingQuote = Dynamicweb.Ecommerce.Common.Context.Cart != null && Dynamicweb.Ecommerce.Common.Context.Cart.IsQuote;
108 string cartOnClickText = userHasPendingQuote ? $"alert('{Translate("You need to complete your current quote or empty the cart before adding this product to cart")}')"
109 : "swift.Cart.Update(event)";
110
111 string liveInfoClass = isLazyLoadingForProductInfoEnabled ? "js-live-info" : "";
112
113 if (product.VariantInfo.VariantInfo == null || whenVariantsExist == "disable")
114 {
115 string unitId = !string.IsNullOrEmpty(Dynamicweb.Context.Current.Request.Form.Get("UnitId")) ? Dynamicweb.Context.Current.Request.Form.Get("UnitId") : product.DefaultUnitId;
116 if (string.IsNullOrEmpty(unitId) && product?.UnitOptions != null)
117 {
118 if (product.UnitOptions.FirstOrDefault<UnitOptionViewModel>() != null)
119 {
120 unitId = product.UnitOptions.FirstOrDefault<UnitOptionViewModel>().Id;
121 }
122 }
123
124 double? stepQty = product.PurchaseQuantityStep > 0 ? product.PurchaseQuantityStep : 1;
125 double? minQty = product.PurchaseMinimumQuantity > 0 ? product.PurchaseMinimumQuantity : 1;
126 double? valueQty = minQty > stepQty ? minQty : stepQty;
127 string disableAddToCart = null;
128 double? maxQty = null;
129
130 //START CUSTOM CODE
131 if ((product.ProductType == Dynamicweb.Ecommerce.Products.ProductType.Stock || product.ProductType == Dynamicweb.Ecommerce.Products.ProductType.Bom) && !product.NeverOutOfstock)
132 {
133 //END CUSTOM CODE
134 disableAddToCart = (product.StockLevel <= 0) || (!product.NeverOutOfstock && isLazyLoadingForProductInfoEnabled) ? "disabled" : disableAddToCart;
135 maxQty = product.StockLevel;
136 }
137
138 disableAddToCart = whenVariantsExist == "disable" && product.VariantInfo.VariantInfo != null && string.IsNullOrEmpty(product.VariantId) ? "disabled" : disableAddToCart;
139
140 //START CUSTOM CODE
141 if (disableAddToCart == "disabled") {
142 addToCartLabel = !addToCartIcon.Contains("_none") ? $"<span class=\"icon-2\">{ReadFile(addToCartIcon)}</span>" : "";
143 addToCartLabel += !addToCartIcon.Contains("_none") && !Model.Item.GetBoolean("HideButtonText") ? " " : "";
144 addToCartLabel += !Model.Item.GetBoolean("HideButtonText") ? $"<span class=\"d-none d-md-inline\">{Translate("Currently Unavailable")}</span><span class=\"d-inline d-md-none\">{Translate("Unavailable")}</span>" : "";
145 }
146 //END CUSTOM CODE
147
148 if (unitsSelector && product.UnitOptions.Count > 0)
149 {
150 <form method="post" action="/Default.aspx?ID=@(Pageview.Page.ID)&ProductId=@product.Id" id="UnitSelectorForm_@(product.Id)_@(product.VariantId.Replace(".", "_"))_@Model.ID">
151 <input type="hidden" name="redirect" value="false">
152 <input type="hidden" name="VariantID" value="@product.VariantId">
153 <input type="hidden" name="UnitID" class="js-unit-id" value="@unitId">
154 </form>
155 }
156
157 <div class="d-flex @horizontalAlign @fullWidth @liveInfoClass js-input-group item_@Model.Item.SystemName.ToLower()" data-product-id="@product.Id" data-variant-id="@product.VariantId" data-show-zero-price="@showZeroPrice" data-zero-price-message="@zeroPriceMessage">
158 @if (!anonymousUser && favoritesSelector)
159 {
160 @RenderPartial("Components/ToggleFavorite.cshtml", product)
161 }
162
163 @*START CUSTOM CODE*@
164 @if (!string.IsNullOrEmpty(replacementProductLink))
165 {
166 @* z-index keeps the button above the stretched-link overlay on product list tiles, same as the add to cart form below *@
167 <div class="@fullWidth ms-4" style="z-index: 1">
168 <a href="@replacementProductLink" class="btn btn-primary text-nowrap">@Translate("View Replacement")</a>
169 </div>
170 }
171 else
172 {
173 @*END CUSTOM CODE*@
174 <form method="post" action="@url" class="@fullWidth" style="z-index: 1">
175 <input type="hidden" name="redirect" value="false">
176 <input type="hidden" name="ProductId" value="@product.Id">
177 <input type="hidden" name="ProductName" value="@HtmlEncoder.HtmlEncode(product.Name)">
178 <input type="hidden" name="ProductVariantName" value="@product.VariantName">
179 <input type="hidden" name="ProductCurrency" value="@Dynamicweb.Ecommerce.Common.Context.Currency.Code">
180 <input type="hidden" name="ProductPrice" value="@PriceViewModelExtensions.ToStringInvariant(product.Price)">
181 <input type="hidden" name="ProductReferer" value="component_ProductAddToCart">
182 <input type="hidden" name="cartcmd" value="add">
183 <input type="submit" class="d-none" onclick="event.preventDefault(); swift.Cart.Update(event)"> @* Fix for enterKey should not redirect to minicart page *@
184
185 @if (!string.IsNullOrEmpty(product.VariantId))
186 {
187 <input type="hidden" name="VariantId" value="@product.VariantId">
188 }
189
190 <template class="js-step-quantity-warning">
191 <div class="modal-header">
192 <h1 class="modal-title fs-5">@Translate("The quantity is not valid")</h1>
193 <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
194 </div>
195 <div class="modal-body">
196 @Translate("Please select a quantity that is dividable by") @stepQty
197 </div>
198 </template>
199
200
201 <template class="js-min-quantity-warning">
202 <div class="modal-header">
203 <h1 class="modal-title fs-5">@Translate("The product could not be added to the cart")</h1>
204 <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
205 </div>
206 <div class="modal-body">
207 @Translate("The quantity is not valid. You must buy at least") @product.PurchaseMinimumQuantity
208 </div>
209 </template>
210
211 <template class="js-value-missing-warning">
212 <div class="modal-header">
213 <h1 class="modal-title fs-5">@Translate("No amount specified")</h1>
214 <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
215 </div>
216 <div class="modal-body">
217 @Translate("Specify an amount to add to the cart")
218 </div>
219 </template>
220
221
222 @if (userHasPendingQuote)
223 {
224 <input type="hidden" name="PendingQuote" value="true">
225
226 <template class="js-pending-quote-notice">
227 <div class="modal-header">
228 <h1 class="modal-title fs-5">@Translate("Pending Quote")</h1>
229 <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="@Translate("Close")"></button>
230 </div>
231 <div class="modal-body">
232 @Translate("You need to complete your current quote or empty the cart before adding this product to cart.")
233 </div>
234 </template>
235 }
236
237 @if (quantitySelector || (!anonymousUser && product.VariantInfo.VariantInfo != null) || (!anonymousUser && favoritesSelector))
238 {
239 <input type="hidden" id="Unit_@(product.Id)_@product.VariantId.Replace(".", "_")" name="UnitID" value="@unitId" />
240 }
241
242 <div class="d-flex flex-row w-100">
243 @if (!quantitySelector)
244 {
245 <input id="Quantity_@(product.Id)_@product.VariantId.Replace(".", "_")" class="swift_quantity_field" name="Quantity" value="@valueQty" type="hidden" @disableAddToCart>
246 }
247
248 @if (unitsSelector && product.UnitOptions.Count > 0)
249 {
250 string selectedUnitName = !string.IsNullOrEmpty(unitId) && product?.UnitOptions != null ? unitId : product.UnitOptions.FirstOrDefault<UnitOptionViewModel>().Name;
251
252 foreach (var unitOption in product.UnitOptions)
253 {
254 if (unitOption.Id == unitId)
255 {
256 selectedUnitName = unitOption.Name;
257 }
258 }
259
260 <div class="d-flex flex-column gap-2 w-100">
261 <div class="input-group input-primary-button-group flex-nowrap@(inputSize)">
262
263 @if (quantitySelector)
264 {
265 <input id="Quantity_@(product.Id)_@product.VariantId.Replace(".", "_")" name="Quantity" value="@DoubleToString(valueQty)" step="@DoubleToString(stepQty)" min="@DoubleToString(minQty)" max="@DoubleToString(maxQty)" class="form-control swift_quantity-field" style="min-width: 60px; max-width: 100px; z-index: 1" type="number" @disableAddToCart>
266 }
267
268 <button class="btn btn-secondary @flexFill dropdown-toggle" type="button" data-bs-toggle="dropdown" aria-expanded="false">
269 @selectedUnitName
270 </button>
271
272 <ul class="dropdown-menu swift_unit-field">
273 @foreach (var unitOption in product.UnitOptions)
274 {
275 var selectedUnit = unitOption.Id == unitId ? "selected" : "";
276
277 <li>
278 <button type="button" class="btn dropdown-item" data-value="@unitOption.Id" onclick="document.querySelector('#UnitSelectorForm_@(product.Id)_@(product.VariantId.Replace(".", "_"))_@Model.ID').querySelector('.js-unit-id').value = this.getAttribute('data-value');
279 document.querySelector('#Unit_@(product.Id)_@product.VariantId.Replace(".", "_")').value = this.getAttribute('data-value');
280 swift.PageUpdater.Update(document.querySelector('#UnitSelectorForm_@(product.Id)_@(product.VariantId.Replace(".", "_"))_@Model.ID'))">
281 <span>@unitOption.Name</span>
282 <span>
283 @if (unitOption.StockLevel > 0 || unitOption.NeverOutOfStock)
284 {
285 if (!Model.Item.GetBoolean("HideInventory") && !unitOption.NeverOutOfStock)
286 {
287 <span class="small text-success">@unitOption.StockLevel @Translate("In stock")</span>
288 }
289 else
290 {
291 <span class="small text-success">@Translate("In stock")</span>
292 }
293 }
294 else
295 {
296 <span class="small text-danger">@Translate("Out of Stock")</span>
297 }
298 </span>
299 </button>
300 </li>
301 }
302 </ul>
303 </div>
304 <button type="button" onclick="@cartOnClickText" class="btn btn-primary @(buttonSize) js-add-to-cart-button" style="white-space: nowrap" @disableAddToCart title="@Translate("Add to cart")" id="AddToCartButton@(product.Id)_@Pageview.CurrentParagraph.ID">
305 @if (!Model.Item.GetBoolean("HideButtonText"))
306 {
307 <span class="text-nowrap d-flex align-items-center justify-content-center gap-2">
308 @addToCartLabel
309 </span>
310 }
311 else
312 {
313 @addToCartLabel
314 }
315 </button>
316 </div>
317 }
318 else
319 {
320 <div class="input-group input-primary-button-group flex-nowrap@(inputSize)">
321 @if (quantitySelector)
322 {
323 <input id="Quantity_@(product.Id)_@product.VariantId.Replace(".", "_")" name="Quantity" value="@DoubleToString(valueQty)" step="@DoubleToString(stepQty)" min="@DoubleToString(minQty)" max="@DoubleToString(maxQty)" class="form-control swift_quantity-field" style="min-width: 60px; max-width: 100px; z-index: 1" type="number" @disableAddToCart>
324 }
325
326 <button type="button" onclick="@cartOnClickText" class="btn btn-primary @(buttonSize) @flexFill js-add-to-cart-button" style="white-space: nowrap" @disableAddToCart title="@Translate("Add to cart")" id="AddToCartButton@(product.Id)_@Pageview.CurrentParagraph.ID">
327 @if (!Model.Item.GetBoolean("HideButtonText"))
328 {
329 <span class="text-nowrap d-flex align-items-center justify-content-center gap-2">
330 @addToCartLabel
331 </span>
332 }
333 else
334 {
335 @addToCartLabel
336 }
337 </button>
338 </div>
339 }
340 </div>
341 </form>
342 @*START CUSTOM CODE*@
343 }
344 @*END CUSTOM CODE*@
345
346
347 </div>
348 }
349 else if (whenVariantsExist == "modal")
350 {
351 string ButtonShape = Model.Item.GetRawValueString("VariantButtonShape", "square");
352 string buttonAspectRatio = Model.Item.GetRawValueString("VariantImageAspectRatio", "56%");
353
354 string buttonText = Translate("Select");
355 string variantId = !string.IsNullOrWhiteSpace(product.VariantId) ? product.VariantId : product.DefaultVariantId;
356
357 string variantSelectorServicePageId = !string.IsNullOrEmpty(Model.Item.GetString("VariantSelectorServicePageId")) ? Model.Item.GetLink("VariantSelectorServicePageId").PageId.ToString() : "";
358 variantSelectorServicePageId = variantSelectorServicePageId != "" ? variantSelectorServicePageId : GetPageIdByNavigationTag("VariantSelectorService").ToString();
359
360 <div class="d-flex @horizontalAlign w-100 item_@Model.Item.SystemName.ToLower()">
361 @if (!anonymousUser && favoritesSelector)
362 {
363 @RenderPartial("Components/ToggleFavorite.cshtml", product)
364 }
365 <form action="/Default.aspx?ID=@variantSelectorServicePageId" data-response-target-element="DynamicModalContent" data-preloader="inline" style="z-index: 1" class="@fullWidth">
366 <input type="hidden" name="ProductID" value="@product.Id">
367 <input type="hidden" name="VariantID" value="@variantId">
368 <input type="hidden" name="QuantitySelector" value="@quantitySelector.ToString()">
369 <input type="hidden" name="HideInventory" value="@hideInventory.ToString()">
370 <input type="hidden" name="HideStockState" value="@hideStockState.ToString()">
371 <input type="hidden" name="ButtonLayout" value="@ButtonShape">
372 <input type="hidden" name="ButtonAspectRatio" value="@buttonAspectRatio">
373 <input type="hidden" name="VariantSelectorServicePage" value="@variantSelectorServicePageId">
374 <input type="hidden" name="ViewType" value="ModalContent">
375 @if (isLazyLoadingForProductInfoEnabled)
376 {
377 @* If lazy loading is enabled, bypass it because we're loading a modal window, so render everything as if it was server-side *@
378 <input type="hidden" name="getproductinfo" value="true">
379 }
380 <button type="button" onclick="@cartOnClickText" class="btn btn-primary@(buttonSize) @fullWidth" title="@Translate("Select")" data-bs-toggle="modal" data-bs-target="#DynamicModal" id="OpenVariantSelectorModal@(product.Id)_@Pageview.CurrentParagraph.ID">@buttonText</button>
381 </form>
382 </div>
383 }
384 }
385 else if (!string.IsNullOrEmpty(zeroPriceMessage))
386 {
387 <div class="d-flex @horizontalAlign @fullWidth item_@Model.Item.SystemName.ToLower()">@zeroPriceMessage</div>
388 }
389 else if (Pageview.IsVisualEditorMode)
390 {
391 <div class="alert alert-dark m-0">@Translate("No products available")</div>
392 }
393