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_3017a6731ef44f21b8fafb5610a135fa.Execute() in D:\dynamicweb.net\Solutions\CO3\granzow2023.cloud.dynamicweb-cms.com\Files\Templates\Designs\Swift\Paragraph\Swift_ProductAddToCart.cshtml:line 28
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 Dynamicweb.Ecommerce.CustomerExperienceCenter.Favorites
5
6
7 @{
8 ProductViewModel product = null;
9 if (Dynamicweb.Context.Current.Items.Contains("ProductDetails"))
10 {
11 product = (ProductViewModel)Dynamicweb.Context.Current.Items["ProductDetails"];
12 }
13 else if (Pageview.Page.Item["DummyProduct"] != null && Pageview.IsVisualEditorMode)
14 {
15 var pageViewModel = Dynamicweb.Frontend.ContentViewModelFactory.CreatePageInfoViewModel(Pageview.Page);
16 ProductListViewModel productList = pageViewModel.Item.GetValue("DummyProduct") != null ? pageViewModel.Item.GetValue("DummyProduct") as ProductListViewModel : new ProductListViewModel();
17
18 if (productList?.Products is object)
19 {
20 product = productList.Products[0];
21 }
22 }
23
24 string anonymousUsersLimitations = Pageview.AreaSettings.GetRawValueString("AnonymousUsers", "");
25 bool anonymousUser = Pageview.User == null;
26 bool isErpConnectionDown = !Dynamicweb.Core.Converter.ToBoolean(Dynamicweb.Context.Current.Items["IsWebServiceConnectionAvailable"]);
27 bool hideAddToCart = anonymousUsersLimitations.Contains("cart") && anonymousUser || Pageview.AreaSettings.GetBoolean("ErpDownHideAddToCart") && isErpConnectionDown;
28 hideAddToCart = !hideAddToCart && product.Id != null && !Convert.ToBoolean(product.ProductFields["Custom_EnableAnonymousPurchase"]?.Value) && anonymousUser ? true : hideAddToCart; // #22458
29 hideAddToCart = Pageview.IsVisualEditorMode ? false : hideAddToCart;
30 }
31
32 @if (product is object && !hideAddToCart) {
33 string horizontalAlign = Model.Item.GetRawValueString("HorizontalAlignment", "");
34 horizontalAlign = horizontalAlign == "center" ? "justify-content-center" : horizontalAlign;
35 horizontalAlign = horizontalAlign == "end" ? "justify-content-end" : horizontalAlign;
36 horizontalAlign = horizontalAlign == "full" ? "" : horizontalAlign;
37
38 bool favoritesSelector = !string.IsNullOrEmpty(Model.Item.GetString("ShowAddToFavorites")) ? Model.Item.GetBoolean("ShowAddToFavorites") : false;
39 bool quantitySelector = !string.IsNullOrEmpty(Model.Item.GetString("ShowQuantitySelector")) ? Model.Item.GetBoolean("ShowQuantitySelector") : false;
40 bool unitsSelector = !string.IsNullOrEmpty(Model.Item.GetString("ShowUnitsSelector")) ? Model.Item.GetBoolean("ShowUnitsSelector") : false;
41 bool hideInventory = !string.IsNullOrEmpty(Model.Item.GetString("HideInventory")) ? Model.Item.GetBoolean("HideInventory") : false;
42 bool hideStockState = !string.IsNullOrEmpty(Model.Item.GetString("HideStockState")) ? Model.Item.GetBoolean("HideStockState") : false;
43
44 string buttonSize = Model.Item.GetRawValueString("ButtonSize", "regular");
45 string inputSize = string.Empty;
46
47 switch (buttonSize)
48 {
49 case "small":
50 inputSize = " input-group-sm";
51 buttonSize = " btn-sm";
52 break;
53 case "regular":
54 buttonSize = string.Empty;
55 break;
56 case "large":
57 inputSize = " input-group-lg";
58 buttonSize = " btn-lg";
59 break;
60 }
61
62 string iconPath = "/Files/icons/";
63 string url = "/Default.aspx?ID=" + (GetPageIdByNavigationTag("CartService"));
64 if (!url.Contains("LayoutTemplate"))
65 {
66 url += url.Contains("?") ? "&LayoutTemplate=Swift_MiniCart.cshtml" : "?LayoutTemplate=Swift_MiniCart.cshtml";
67 }
68
69 bool isLazyLoadingForProductInfoEnabled = Dynamicweb.Core.Converter.ToBoolean(Dynamicweb.Context.Current.Items["IsLazyLoadingForProductInfoEnabled"]);
70 string disableAddToCart = (product.StockLevel <= 0) ? "disabled" : "";
71 bool isNeverOutOfStock = product.NeverOutOfstock;
72 disableAddToCart = isNeverOutOfStock && !isLazyLoadingForProductInfoEnabled ? "" : disableAddToCart;
73
74 string whenVariantsExist = Model.Item.GetRawValueString("WhenVariantsExist", "hide");
75
76 string flexFill = Model.Item.GetRawValueString("HorizontalAlignment", "") == "full" ? "flex-fill" : "";
77 string fullWidth = Model.Item.GetRawValueString("HorizontalAlignment", "") == "full" ? "w-100" : "";
78 string addToCartIcon = Model.Item.GetRawValueString("Icon", iconPath + "shopping-cart.svg");
79 string addToCartLabel = !addToCartIcon.Contains("_none") ? $"<span class=\"icon-2\">{ReadFile(addToCartIcon)}</span>" : "";
80 addToCartLabel += !addToCartIcon.Contains("_none") && !Model.Item.GetBoolean("HideButtonText") ? " " : "";
81 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>" : "";
82
83 if (product.VariantInfo.VariantInfo == null || whenVariantsExist == "disable") {
84 string unitId = !string.IsNullOrEmpty(Dynamicweb.Context.Current.Request.Form.Get("UnitId")) ? Dynamicweb.Context.Current.Request.Form.Get("UnitId") : product.DefaultUnitId;
85 if (string.IsNullOrEmpty(unitId) && product?.UnitOptions != null) {
86 if (product.UnitOptions.FirstOrDefault<UnitOptionViewModel>() != null) {
87 unitId = product.UnitOptions.FirstOrDefault<UnitOptionViewModel>().Id;
88 }
89 }
90
91 string minQty = product.PurchaseMinimumQuantity != 1 ? $"min=\"{product.PurchaseMinimumQuantity.ToString()}\"" : "min=\"1\"";
92 string stepQty = product.PurchaseQuantityStep > 1 ? product.PurchaseQuantityStep.ToString() : "1";
93 string valueQty = product.PurchaseMinimumQuantity > product.PurchaseQuantityStep ? product.PurchaseMinimumQuantity.ToString() : stepQty;
94 disableAddToCart = product.VariantInfo.VariantInfo != null && string.IsNullOrEmpty(product.VariantId) ? "disabled" : disableAddToCart;
95 disableAddToCart = product.Discontinued ? "disabled" : disableAddToCart;
96
97 var reserveMode = Dynamicweb.Ecommerce.Frontend.Cart.ProductReserve.Mode;
98
99 if (unitsSelector && product.UnitOptions.Count > 0) {
100 <form method="post" action="/Default.aspx?ID=@(Pageview.Page.ID)&ProductId=@product.Id" id="UnitSelectorForm_@(product.Id)_@(product.VariantId)_@Model.ID">
101 <input type="hidden" name="redirect" value="false">
102 <input type="hidden" name="VariantID" value="@product.VariantId">
103 <input type="hidden" name="UnitID" class="js-unit-id" value="@unitId">
104 </form>
105 }
106
107 <div class="d-flex @horizontalAlign @fullWidth js-input-group item_@Model.Item.SystemName.ToLower()">
108 <form method="post" action="@url" class="@fullWidth" style="z-index: 1">
109 <input type="hidden" name="redirect" value="false">
110 <input type="hidden" name="ProductId" value="@product.Id">
111 <input type="hidden" name="ProductName" value="@HtmlEncoder.HtmlEncode(product.Name)">
112 <input type="hidden" name="ProductVariantName" value="@product.VariantName">
113 <input type="hidden" name="ProductCurrency" value="@Dynamicweb.Ecommerce.Common.Context.Currency.Code">
114 <input type="hidden" name="ProductPrice" value="@PriceViewModelExtensions.ToStringInvariant(product.Price)">
115 <input type="hidden" name="ProductReferer" value="component_ProductAddToCart">
116 <input type="hidden" name="cartcmd" value="add">
117
118 @if (reserveMode == Dynamicweb.Ecommerce.Frontend.Cart.ProductReserveMode.AddToCart)
119 {
120 <input type="hidden" name="GetReservedAmount" value="true">
121 }
122
123 @if (!string.IsNullOrEmpty(product.VariantId))
124 {
125 <input type="hidden" name="VariantId" value="@product.VariantId">
126 }
127
128 @if (!product.NeverOutOfstock)
129 {
130 <input type="hidden" name="Stock" value="@product.StockLevel">
131
132 <template class="js-out-of-stock-notice">
133 <div class="modal-header">
134 <h1 class="modal-title fs-5">@Translate("Stock limit")</h1>
135 <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
136 </div>
137 <div class="modal-body">
138 @Translate("There are not enough products in stock. The product might be sold out or discontinued. Please adjust the quantity.")
139 </div>
140 </template>
141 }
142
143 @if (stepQty != "1")
144 {
145 <template class="js-step-quantity-warning">
146 <div class="modal-header">
147 <h1 class="modal-title fs-5">@Translate("The quantity is not valid")</h1>
148 </div>
149 <div class="modal-body">
150 @Translate("Please select a quantity that is dividable by") @stepQty
151 </div>
152 </template>
153 }
154 @if (product.PurchaseMinimumQuantity != 1)
155 {
156 <template class="js-min-quantity-warning">
157 <div class="modal-header">
158 <h1 class="modal-title fs-5">@Translate("The product could not be added to the cart")</h1>
159 </div>
160 <div class="modal-body">
161 @Translate("The quantity is not valid. You must buy at least") @product.PurchaseMinimumQuantity
162 </div>
163 </template>
164 }
165
166 @if (quantitySelector || (!anonymousUser && product.VariantInfo.VariantInfo != null) || (!anonymousUser && favoritesSelector))
167 {
168 <input type="hidden" id="Unit_@(product.Id)_@product.VariantId" name="UnitID" value="@unitId" />
169 }
170
171 <div class="d-flex flex-row w-100">
172 @if (!quantitySelector)
173 {
174 <input id="Quantity_@(product.Id)_@product.VariantId" class="swift_quantity_field" name="Quantity" value="@valueQty" type="hidden" @disableAddToCart>
175 }
176
177 @if (unitsSelector && product.UnitOptions.Count > 0)
178 {
179 string selectedUnitName = !string.IsNullOrEmpty(unitId) && product?.UnitOptions != null ? unitId : product.UnitOptions.FirstOrDefault<UnitOptionViewModel>().Name;
180
181 foreach (var unitOption in product.UnitOptions)
182 {
183 if (unitOption.Id == unitId)
184 {
185 selectedUnitName = unitOption.Name;
186 }
187 }
188
189 <div class="d-flex flex-column gap-2 w-100">
190 <div class="input-group input-primary-button-group flex-nowrap@(inputSize)">
191 @if (!anonymousUser && favoritesSelector)
192 {
193 @RenderPartial("Components/ToggleFavorite.cshtml", product)
194 }
195
196 @if (quantitySelector)
197 {
198 <input id="Quantity_@(product.Id)_@product.VariantId" name="Quantity" value="@valueQty" step="@stepQty" @minQty class="form-control swift_quantity-field" style="min-width: 60px; max-width: 100px; z-index: 1" type="number" onchange="swift.Cart.UpdateOnEnterKey(event)" onkeyup="swift.Cart.UpdateOnEnterKey(event)" @disableAddToCart>
199 }
200
201 <button class="btn btn-secondary @flexFill dropdown-toggle" type="button" data-bs-toggle="dropdown" aria-expanded="false">
202 @selectedUnitName
203 </button>
204
205 <ul class="dropdown-menu swift_unit-field">
206 @foreach (var unitOption in product.UnitOptions)
207 {
208 var selectedUnit = unitOption.Id == unitId ? "selected" : "";
209
210 <li>
211 <button type="button" class="btn dropdown-item" data-value="@unitOption.Id" onclick="document.querySelector('#UnitSelectorForm_@(product.Id)_@(product.VariantId)_@Model.ID').querySelector('.js-unit-id').value = this.getAttribute('data-value');
212 document.querySelector('#Unit_@(product.Id)_@product.VariantId').value = this.getAttribute('data-value');
213 swift.PageUpdater.Update(document.querySelector('#UnitSelectorForm_@(product.Id)_@(product.VariantId)_@Model.ID'))">
214 <span>@unitOption.Name</span>
215 <span>
216 @if (unitOption.StockLevel > 0 || unitOption.NeverOutOfStock)
217 {
218 if (!Model.Item.GetBoolean("HideInventory") && !unitOption.NeverOutOfStock)
219 {
220 <span class="small text-success">@unitOption.StockLevel @Translate("In stock")</span>
221 }
222 else
223 {
224 <span class="small text-success">@Translate("In stock")</span>
225 }
226 }
227 else
228 {
229 <span class="small text-danger">@Translate("Out of Stock")</span>
230 }
231 </span>
232 </button>
233 </li>
234 }
235 </ul>
236 </div>
237 <button type="button" onclick="swift.Cart.Update(event)" 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">
238 @if (!Model.Item.GetBoolean("HideButtonText"))
239 {
240 <span class="text-nowrap d-flex align-items-center justify-content-center gap-2">
241 @addToCartLabel
242 </span>
243 }
244 else
245 {
246 @addToCartLabel
247 }
248 </button>
249 </div>
250 }
251 else
252 {
253 if (!anonymousUser && favoritesSelector)
254 {
255 @RenderPartial("Components/ToggleFavorite.cshtml", product)
256 }
257
258 <div class="input-group input-primary-button-group flex-nowrap@(inputSize)">
259 @if (quantitySelector)
260 {
261 <input id="Quantity_@(product.Id)_@product.VariantId" name="Quantity" value="@valueQty" step="@stepQty" @minQty class="form-control swift_quantity-field" style="min-width: 60px; max-width: 100px; z-index: 1" type="number" onchange="swift.Cart.UpdateOnEnterKey(event)" onkeyup="swift.Cart.UpdateOnEnterKey(event)" @disableAddToCart>
262 }
263
264 <button type="button" onclick="swift.Cart.Update(event)" 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">
265 @if (!Model.Item.GetBoolean("HideButtonText"))
266 {
267 <span class="text-nowrap d-flex align-items-center justify-content-center gap-2">
268 @addToCartLabel
269 </span>
270 }
271 else
272 {
273 @addToCartLabel
274 }
275 </button>
276 </div>
277 }
278 </div>
279 </form>
280 </div>
281 } else if (whenVariantsExist == "modal") {
282 string buttonText = Translate("Select");
283 string variantId = !string.IsNullOrWhiteSpace(product.VariantId) ? product.VariantId : product.DefaultVariantId;
284
285 string variantSelectorServicePageId = !string.IsNullOrEmpty(Model.Item.GetString("VariantSelectorServicePageId")) ? Model.Item.GetLink("VariantSelectorServicePageId").PageId.ToString() : "";
286 variantSelectorServicePageId = variantSelectorServicePageId != "" ? variantSelectorServicePageId : GetPageIdByNavigationTag("VariantSelectorService").ToString();
287
288 <div class="d-flex @horizontalAlign w-100 item_@Model.Item.SystemName.ToLower()">
289 @if (!anonymousUser && favoritesSelector)
290 {
291 @RenderPartial("Components/ToggleFavorite.cshtml", product)
292 }
293 <form action="/Default.aspx?ID=@variantSelectorServicePageId" data-response-target-element="DynamicModalContent" data-preloader="inline" style="z-index: 1" class="@fullWidth">
294 <input type="hidden" name="ProductID" value="@product.Id">
295 <input type="hidden" name="VariantID" value="@variantId">
296 <input type="hidden" name="QuantitySelector" value="@quantitySelector.ToString()">
297 <input type="hidden" name="HideInventory" value="@hideInventory.ToString()">
298 <input type="hidden" name="HideStockState" value="@hideStockState.ToString()">
299 <input type="hidden" name="VariantSelectorServicePage" value="@variantSelectorServicePageId">
300 <input type="hidden" name="ViewType" value="ModalContent">
301 @if (isLazyLoadingForProductInfoEnabled)
302 {
303 @* If lazy loading is enabled, bypass it because we're loading a modal window, so render everything as if it was server-side *@
304 <input type="hidden" name="getproductinfo" value="true">
305 }
306 <button type="button" onclick="swift.PageUpdater.Update(event)" 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>
307 </form>
308 </div>
309 }
310 } else if (Pageview.IsVisualEditorMode) {
311 <div class="alert alert-dark m-0">@Translate("No products available")</div>
312 }
313