Error executing template "Designs/Swift/Paragraph/Swift_ProductAddToCart_Custom.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
at CompiledRazorTemplates.Dynamic.RazorEngine_e079a9fb6e624e948defb746d64f2c02.Execute() in D:\dynamicweb.net\Solutions\Twoday\cerama.cloud.dynamicweb-cms.com\Files\Templates\Designs\Swift\Paragraph\Swift_ProductAddToCart_Custom.cshtml:line 32
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 @*//CUSTOM*@
4 @using Dynamicweb.Core.Encoders
5 @using Dynamicweb.Ecommerce.CustomerExperienceCenter.Favorites
6
7 @* CUSTOMIZED STANDARD SWIFT (??) TEMPLATE *@
8
9 @{
10 ProductViewModel product = null;
11 if (Dynamicweb.Context.Current.Items.Contains("ProductDetails"))
12 {
13 product = (ProductViewModel)Dynamicweb.Context.Current.Items["ProductDetails"];
14 }
15 else if (Pageview.Page.Item["DummyProduct"] != null && Pageview.IsVisualEditorMode)
16 {
17 var pageViewModel = Dynamicweb.Frontend.ContentViewModelFactory.CreatePageInfoViewModel(Pageview.Page);
18 ProductListViewModel productList = pageViewModel.Item.GetValue("DummyProduct") != null ? pageViewModel.Item.GetValue("DummyProduct") as ProductListViewModel : new ProductListViewModel();
19
20 if (productList?.Products is object)
21 {
22 product = productList.Products[0];
23 }
24 }
25
26 string anonymousUsersLimitations = Pageview.AreaSettings.GetRawValueString("AnonymousUsers", "");
27 bool anonymousUser = Pageview.User == null;
28 bool isErpConnectionDown = !Dynamicweb.Core.Converter.ToBoolean(Dynamicweb.Context.Current.Items["IsWebServiceConnectionAvailable"]);
29 bool hideAddToCart = anonymousUsersLimitations.Contains("cart") && anonymousUser || Pageview.AreaSettings.GetBoolean("ErpDownHideAddToCart") && isErpConnectionDown;
30 hideAddToCart = Pageview.IsVisualEditorMode ? false : hideAddToCart;
31
32 bool disablePurchase = product.ProductFields.ContainsKey("Custom_DisablePurchase") ? Convert.ToBoolean(product.ProductFields["Custom_DisablePurchase"].Value) : false; //CUSTOM
33 string disablePurchaseLink = Pageview.AreaSettings.GetItem("Custom").GetString("Custom_DisablePurchaseLink"); //CUSTOM
34 disablePurchaseLink += (!disablePurchaseLink.Contains("?") ? "?" : "&") + "Product=" + Dynamicweb.Context.Current.Server.UrlEncode(string.Format("({0}) {1}", product.Id, product.Name)); //CUSTOM
35 }
36
37 @if (product is object && !hideAddToCart)
38 {
39 string horizontalAlign = Model.Item.GetRawValueString("HorizontalAlignment", "");
40 horizontalAlign = horizontalAlign == "center" ? "justify-content-center" : horizontalAlign;
41 horizontalAlign = horizontalAlign == "end" ? "justify-content-end" : horizontalAlign;
42 horizontalAlign = horizontalAlign == "full" ? "" : horizontalAlign;
43
44 bool favoritesSelector = !string.IsNullOrEmpty(Model.Item.GetString("ShowAddToFavorites")) ? Model.Item.GetBoolean("ShowAddToFavorites") : false;
45 bool quantitySelector = !string.IsNullOrEmpty(Model.Item.GetString("ShowQuantitySelector")) ? Model.Item.GetBoolean("ShowQuantitySelector") : false;
46 bool unitsSelector = !string.IsNullOrEmpty(Model.Item.GetString("ShowUnitsSelector")) ? Model.Item.GetBoolean("ShowUnitsSelector") : false;
47 bool hideInventory = !string.IsNullOrEmpty(Model.Item.GetString("HideInventory")) ? Model.Item.GetBoolean("HideInventory") : false;
48 bool hideStockState = !string.IsNullOrEmpty(Model.Item.GetString("HideStockState")) ? Model.Item.GetBoolean("HideStockState") : false;
49
50 string buttonSize = Model.Item.GetRawValueString("ButtonSize", "regular");
51 string inputSize = string.Empty;
52
53 switch (buttonSize)
54 {
55 case "small":
56 inputSize = " input-group-sm";
57 buttonSize = " btn-sm";
58 break;
59 case "regular":
60 buttonSize = string.Empty;
61 break;
62 case "large":
63 inputSize = " input-group-lg";
64 buttonSize = " btn-lg";
65 break;
66 }
67
68 string iconPath = "/Files/icons/";
69 string url = "/Default.aspx?ID=" + (GetPageIdByNavigationTag("CartService"));
70 if (!url.Contains("LayoutTemplate"))
71 {
72 url += url.Contains("?") ? "&LayoutTemplate=Swift_MiniCart.cshtml" : "?LayoutTemplate=Swift_MiniCart.cshtml";
73 }
74
75 bool isLazyLoadingForProductInfoEnabled = Dynamicweb.Core.Converter.ToBoolean(Dynamicweb.Context.Current.Items["IsLazyLoadingForProductInfoEnabled"]);
76 string disableAddToCart = (product.StockLevel <= 0) ? "disabled" : "";
77 bool isNeverOutOfStock = product.NeverOutOfstock;
78 disableAddToCart = isNeverOutOfStock && !isLazyLoadingForProductInfoEnabled ? "" : disableAddToCart;
79
80 string whenVariantsExist = Model.Item.GetRawValueString("WhenVariantsExist", "hide");
81
82 string flexFill = Model.Item.GetRawValueString("HorizontalAlignment", "") == "full" ? "flex-fill" : "";
83 string fullWidth = Model.Item.GetRawValueString("HorizontalAlignment", "") == "full" ? "w-100" : "";
84 string addToCartIcon = Model.Item.GetRawValueString("Icon", iconPath + "shopping-cart.svg");
85 string addToCartLabel = !addToCartIcon.Contains("_none") ? $"<span class=\"icon-2\">{ReadFile(addToCartIcon)}</span>" : "";
86 addToCartLabel += !addToCartIcon.Contains("_none") && !Model.Item.GetBoolean("HideButtonText") ? " " : "";
87 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>" : "";
88
89 //CUSTOM
90 if (disablePurchase && disablePurchaseLink.IsNotNullOrEmpty())
91 {
92 <div class="d-flex @(horizontalAlign) @(fullWidth) input-group item_@Model.Item.SystemName.ToLower()">
93 <a class="btn btn-primary" href="@(disablePurchaseLink)" title="@HtmlEncoder.HtmlAttributeEncode(Translate("Custom:ProductAddToCart.ContactUs", "Contact us"))" rel=”nofollow”>
94 <span class="icon-2">@ReadFile("/files/Templates/Designs/Swift/Assets/icons/cerama-icons/Email-Action-Unread--Streamline-Ultimate.svg")</span>
95 </a>
96 </div>
97 }
98 else if (product.VariantInfo.VariantInfo == null || whenVariantsExist == "disable")//--CUSTOM
99 {
100 string unitId = !string.IsNullOrEmpty(Dynamicweb.Context.Current.Request.Form.Get("UnitId")) ? Dynamicweb.Context.Current.Request.Form.Get("UnitId") : product.DefaultUnitId;
101 if (string.IsNullOrEmpty(unitId) && product?.UnitOptions != null)
102 {
103 if (product.UnitOptions.FirstOrDefault<UnitOptionViewModel>() != null)
104 {
105 unitId = product.UnitOptions.FirstOrDefault<UnitOptionViewModel>().Id;
106 }
107 }
108
109 string minQty = product.PurchaseMinimumQuantity != 1 ? $"min=\"{product.PurchaseMinimumQuantity.ToString()}\"" : "min=\"1\"";
110 string stepQty = product.PurchaseQuantityStep > 1 ? product.PurchaseQuantityStep.ToString() : "1";
111 string valueQty = product.PurchaseMinimumQuantity > product.PurchaseQuantityStep ? product.PurchaseMinimumQuantity.ToString() : stepQty;
112 disableAddToCart = product.VariantInfo.VariantInfo != null && string.IsNullOrEmpty(product.VariantId) ? "disabled" : disableAddToCart;
113 disableAddToCart = product.Discontinued ? "disabled" : disableAddToCart;
114
115 var reserveMode = Dynamicweb.Ecommerce.Frontend.Cart.ProductReserve.Mode;
116
117 if (unitsSelector && product.UnitOptions.Count > 0)
118 {
119 <form method="post" action="/Default.aspx?ID=@(Pageview.Page.ID)&ProductId=@product.Id" id="UnitSelectorForm_@(product.Id)_@(product.VariantId)_@Model.ID">
120 <input type="hidden" name="redirect" value="false">
121 <input type="hidden" name="VariantID" value="@product.VariantId">
122 <input type="hidden" name="UnitID" class="js-unit-id" value="@unitId">
123 </form>
124 }
125
126 <div class="d-flex @horizontalAlign @fullWidth js-input-group item_@Model.Item.SystemName.ToLower()">
127 <form method="post" action="@url" class="@fullWidth" style="z-index: 1">
128 <input type="hidden" name="redirect" value="false">
129 <input type="hidden" name="ProductId" value="@product.Id">
130 <input type="hidden" name="ProductName" value="@HtmlEncoder.HtmlAttributeEncode(product.Name)"> @*//CUSTOM*@
131 <input type="hidden" name="ProductVariantName" value="@HtmlEncoder.HtmlAttributeEncode(product.VariantName)"> @*//CUSTOM*@
132 <input type="hidden" name="ProductCurrency" value="@Dynamicweb.Ecommerce.Common.Context.Currency.Code">
133 <input type="hidden" name="ProductPrice" value="@PriceViewModelExtensions.ToStringInvariant(product.Price)">
134 <input type="hidden" name="ProductReferer" value="component_ProductAddToCart">
135 <input type="hidden" name="cartcmd" value="add">
136
137 @if (reserveMode == Dynamicweb.Ecommerce.Frontend.Cart.ProductReserveMode.AddToCart)
138 {
139 <input type="hidden" name="GetReservedAmount" value="true">
140 }
141
142 @if (!string.IsNullOrEmpty(product.VariantId))
143 {
144 <input type="hidden" name="VariantId" value="@product.VariantId">
145 }
146
147 @if (!product.NeverOutOfstock)
148 {
149 <input type="hidden" name="Stock" value="@product.StockLevel">
150
151 <template class="js-out-of-stock-notice">
152 <div class="modal-header">
153 <h1 class="modal-title fs-5">@Translate("Stock limit")</h1>
154 <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
155 </div>
156 <div class="modal-body">
157 @Translate("There are not enough products in stock. The product might be sold out or discontinued. Please adjust the quantity.")
158 </div>
159 </template>
160 }
161
162 @if (stepQty != "1")
163 {
164 <template class="js-step-quantity-warning">
165 <div class="modal-header">
166 <h1 class="modal-title fs-5">@Translate("The quantity is not valid")</h1>
167 </div>
168 <div class="modal-body">
169 @Translate("Please select a quantity that is dividable by") @stepQty
170 </div>
171 </template>
172 }
173 @if (product.PurchaseMinimumQuantity != 1)
174 {
175 <template class="js-min-quantity-warning">
176 <div class="modal-header">
177 <h1 class="modal-title fs-5">@Translate("The product could not be added to the cart")</h1>
178 </div>
179 <div class="modal-body">
180 @Translate("The quantity is not valid. You must buy at least") @product.PurchaseMinimumQuantity
181 </div>
182 </template>
183 }
184
185 @if (quantitySelector || (!anonymousUser && product.VariantInfo.VariantInfo != null) || (!anonymousUser && favoritesSelector))
186 {
187 <input type="hidden" id="Unit_@(product.Id)_@product.VariantId" name="UnitID" value="@unitId" />
188 }
189
190 <div class="d-flex flex-row w-100">
191
192 @if (!quantitySelector)
193 {
194 <input id="Quantity_@(product.Id)_@product.VariantId" class="swift_quantity_field" name="Quantity" value="@valueQty" type="hidden" @disableAddToCart>
195 }
196
197 @if (unitsSelector && product.UnitOptions.Count > 0)
198 {
199 string selectedUnitName = !string.IsNullOrEmpty(unitId) && product?.UnitOptions != null ? unitId : product.UnitOptions.FirstOrDefault<UnitOptionViewModel>().Name;
200
201 foreach (var unitOption in product.UnitOptions)
202 {
203 if (unitOption.Id == unitId)
204 {
205 selectedUnitName = unitOption.Name;
206 }
207 }
208
209 <div class="d-flex flex-column gap-2 w-100">
210 <div class="input-group input-primary-button-group flex-nowrap@(inputSize)">
211 @if (!anonymousUser && favoritesSelector)
212 {
213 @RenderPartial("Components/ToggleFavorite.cshtml", product)
214 }
215
216 @if (quantitySelector)
217 {
218 <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>
219 }
220
221 <button class="btn btn-secondary @flexFill dropdown-toggle" type="button" data-bs-toggle="dropdown" aria-expanded="false">
222 @selectedUnitName
223 </button>
224
225 <ul class="dropdown-menu swift_unit-field">
226 @foreach (var unitOption in product.UnitOptions)
227 {
228 var selectedUnit = unitOption.Id == unitId ? "selected" : "";
229
230 <li>
231 <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');
232 document.querySelector('#Unit_@(product.Id)_@product.VariantId').value = this.getAttribute('data-value');
233 swift.PageUpdater.Update(document.querySelector('#UnitSelectorForm_@(product.Id)_@(product.VariantId)_@Model.ID'))">
234 <span>@unitOption.Name</span>
235 <span>
236 @if (unitOption.StockLevel > 0)
237 {
238 if (!Model.Item.GetBoolean("HideInventory"))
239 {
240 <span class="small text-success">@unitOption.StockLevel @Translate("In stock")</span>
241 }
242 else
243 {
244 <span class="small text-success">@Translate("In stock")</span>
245 }
246 }
247 else
248 {
249 <span class="small text-danger">@Translate("Out of Stock")</span>
250 }
251 </span>
252 </button>
253 </li>
254 }
255 </ul>
256 </div>
257 <button type="button" onclick="swift.Cart.Update(event)" class="btn btn-primary @(buttonSize) js-add-to-cart-button" style="white-space: nowrap" @disableAddToCart title="@HtmlEncoder.HtmlAttributeEncode(Translate("Add to cart"))" id="AddToCartButton@(product.Id)_@Pageview.CurrentParagraph.ID"> @*//CUSTOM*@
258 @if (!Model.Item.GetBoolean("HideButtonText"))
259 {
260 <span class="text-nowrap d-flex align-items-center justify-content-center gap-2">
261 @addToCartLabel
262 </span>
263 }
264 else
265 {
266 @addToCartLabel
267 }
268 </button>
269 </div>
270 }
271 else
272 {
273 if (!anonymousUser && favoritesSelector)
274 {
275 @RenderPartial("Components/ToggleFavorite.cshtml", product)
276 }
277
278 <div class="input-group input-primary-button-group flex-nowrap@(inputSize)">
279 @if (quantitySelector)
280 {
281 <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>
282 }
283
284 <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="@HtmlEncoder.HtmlAttributeEncode(Translate("Add to cart"))" id="AddToCartButton@(product.Id)_@Pageview.CurrentParagraph.ID"> @*//CUSTOM*@
285 @if (!Model.Item.GetBoolean("HideButtonText"))
286 {
287 <span class="text-nowrap d-flex align-items-center justify-content-center gap-2">
288 @addToCartLabel
289 </span>
290 }
291 else
292 {
293 @addToCartLabel
294 }
295 </button>
296 </div>
297 }
298 </div>
299 </form>
300 </div>
301 }
302 else if (whenVariantsExist == "modal")
303 {
304 string buttonText = Translate("Select");
305 string variantId = !string.IsNullOrWhiteSpace(product.VariantId) ? product.VariantId : product.DefaultVariantId;
306
307 string variantSelectorServicePageId = !string.IsNullOrEmpty(Model.Item.GetString("VariantSelectorServicePageId")) ? Model.Item.GetLink("VariantSelectorServicePageId").PageId.ToString() : "";
308 variantSelectorServicePageId = variantSelectorServicePageId != "" ? variantSelectorServicePageId : GetPageIdByNavigationTag("VariantSelectorService").ToString();
309
310 <div class="d-flex @horizontalAlign w-100 item_@Model.Item.SystemName.ToLower()">
311 @if (!anonymousUser && favoritesSelector)
312 {
313 @RenderPartial("Components/ToggleFavorite.cshtml", product)
314 }
315 <form action="/Default.aspx?ID=@variantSelectorServicePageId" data-response-target-element="DynamicModalContent" data-preloader="inline" style="z-index: 1" class="@fullWidth">
316 <input type="hidden" name="ProductID" value="@product.Id">
317 <input type="hidden" name="VariantID" value="@variantId">
318 <input type="hidden" name="QuantitySelector" value="@quantitySelector.ToString()">
319 <input type="hidden" name="HideInventory" value="@hideInventory.ToString()">
320 <input type="hidden" name="HideStockState" value="@hideStockState.ToString()">
321 <input type="hidden" name="VariantSelectorServicePage" value="@variantSelectorServicePageId">
322 <input type="hidden" name="ViewType" value="ModalContent">
323 @if (isLazyLoadingForProductInfoEnabled)
324 {
325 @* If lazy loading is enabled, bypass it because we're loading a modal window, so render everything as if it was server-side *@
326 <input type="hidden" name="getproductinfo" value="true">
327 }
328 <button type="button" onclick="swift.PageUpdater.Update(event)" class="btn btn-primary@(buttonSize) @fullWidth" title="@HtmlEncoder.HtmlAttributeEncode(Translate("Select"))" data-bs-toggle="modal" data-bs-target="#DynamicModal" id="OpenVariantSelectorModal@(product.Id)_@Pageview.CurrentParagraph.ID">@buttonText</button> @*//CUSTOM*@
329 </form>
330 </div>
331 }
332 }
333 else if (Pageview.IsVisualEditorMode)
334 {
335 <div class="alert alert-dark m-0">@Translate("No products available")</div>
336 }
337