Component builder for: List price info-AddToCart

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
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