Error executing template "Designs/Swift/Swift_Email/Paragraph/Swift_EmailProductCatalog.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
at CompiledRazorTemplates.Dynamic.RazorEngine_89e77c48661747d28b45659c05a0a5fa.<>c__DisplayClass4_0.<RenderProduct>b__0(TextWriter __razor_helper_writer) in D:\dynamicweb.net\Solutions\Setoff\watercryst.dw9.dynamicweb-cms.com\files\Templates\Designs\Swift\Swift_Email\Paragraph\Swift_EmailProductCatalog.cshtml:line 201
at CompiledRazorTemplates.Dynamic.RazorEngine_89e77c48661747d28b45659c05a0a5fa.Execute() in D:\dynamicweb.net\Solutions\Setoff\watercryst.dw9.dynamicweb-cms.com\files\Templates\Designs\Swift\Swift_Email\Paragraph\Swift_EmailProductCatalog.cshtml:line 96
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>
@using Dynamicweb.Ecommerce.ProductCatalog
@functions {
private string GetFontStack()
{
return "font-family:initial,Arial,Helvetica Neue,Helvetica,sans-serif;";
}
private string GetTableReset()
{
return "border:0;margin:0;outline:0;padding:0;";
}
public Dynamicweb.Frontend.ColorViewModel GetMutedColor(string hex, int percent, double threshold = 0.5)
{
/// <summary>
/// Return a color in either lighter or darker contrast based on the original color luminance.
/// </summary>
/// <param name="percent">The percent (1-100) to darken or light the color with - higher percentage will give higher contrast</param>
/// <param name="threshold">The luminance threshold (0-1). Default is 0.5. 0 is black, 1 is white. Luminance threshold is used to decide wether the returned contrast color should be darker or lighter than the base color</param>
/// <returns>A new color viewmodel with the contrasted color in either darker or lighter luminance compared to base color</returns>
///
if (threshold > 1)
threshold = 1;
if (threshold < 0)
threshold = 0;
var color = Dynamicweb.Imaging.Colors.Color.FromHex(hex);
var luminance = (0.2126 * color.BaseColor.R) + (0.7152 * color.BaseColor.G) + (0.0722 * color.BaseColor.B);
/// == luminance = 0 is black, luminance = 1 is white == //
luminance = color.Brightness / 255;
if (luminance < threshold)
{
return new Dynamicweb.Frontend.ColorViewModel() { Hex = color.Lighten(percent).ToHex() };
}
else
{
return new Dynamicweb.Frontend.ColorViewModel() { Hex = color.Darken(percent).ToHex() };
}
}
}
@{
string blockType = "productcatalog_block";
var page = Dynamicweb.Services.Pages.GetPage(Pageview.ID);
var settings = Dynamicweb.Frontend.ContentViewModelFactory.CreatePageInfoViewModel(page?.Parent).Item;
var blockId = Model.ID;
var block = Model.Item;
var emailContentThemeId = settings.GetRawValueString("EmailContentTheme");
var emailContentThemeParagraph = emailContentThemeId != null && emailContentThemeId != string.Empty ? Dynamicweb.Services.Paragraphs.GetParagraph(Dynamicweb.Core.Converter.ToInt32(emailContentThemeId)) : null;
var emailContentTheme = emailContentThemeParagraph != null && Dynamicweb.Frontend.ContentViewModelFactory.CreateParagraphInfoViewModel(emailContentThemeParagraph).Item.GetString("CssClassName") != string.Empty ? Dynamicweb.Frontend.ContentViewModelFactory.CreateParagraphInfoViewModel(emailContentThemeParagraph)?.Item : null;
var rowId = Pageview.CurrentParagraph.GridRowId;
var row = Dynamicweb.Services.Grids.GetGridRowById(rowId);
var rowItem = Dynamicweb.Services.Items.GetItem(row.ItemType, row.ItemId);
var rowThemeId = Dynamicweb.Core.Converter.ToString(rowItem["ColumnBackground"]);
var rowThemeParagraph = rowThemeId != null && rowThemeId != string.Empty ? Dynamicweb.Services.Paragraphs.GetParagraph(Dynamicweb.Core.Converter.ToInt32(rowThemeId)) : null;
var rowTheme = rowThemeParagraph != null && Dynamicweb.Frontend.ContentViewModelFactory.CreateParagraphInfoViewModel(rowThemeParagraph).Item.GetString("CssClassName") != string.Empty ? Dynamicweb.Frontend.ContentViewModelFactory.CreateParagraphInfoViewModel(rowThemeParagraph)?.Item : null;
var blockThemeId = block.GetRawValueString("Theme");
var blockThemeParagraph = blockThemeId != null && blockThemeId != string.Empty ? Dynamicweb.Services.Paragraphs.GetParagraph(Dynamicweb.Core.Converter.ToInt32(blockThemeId)) : null;
var blockTheme = blockThemeParagraph != null && Dynamicweb.Frontend.ContentViewModelFactory.CreateParagraphInfoViewModel(blockThemeParagraph).Item.GetString("CssClassName") != string.Empty ? Dynamicweb.Frontend.ContentViewModelFactory.CreateParagraphInfoViewModel(blockThemeParagraph)?.Item : rowTheme is object ? rowTheme : emailContentTheme;
string backgroundColor = blockTheme != null ? "background-color: " + blockTheme.GetString("BackgroundColor") + ";" : string.Empty;
string foregroundColor = blockTheme != null ? "color:" + blockTheme.GetString("ForegroundColor", "inherit") + ";" : string.Empty;
string title = block.GetString("Title", string.Empty);
int padding = Dynamicweb.Core.Converter.ToInt32(block.GetRawValueString("Padding", "0"));
int cellSpacing = 8;
string align = block.GetRawValueString("Align", "left");
string text = block.GetString("Text", string.Empty);
var layoutColumns = Dynamicweb.Core.Converter.ToInt32(block.GetRawValueString("Layout", "2"));
ProductListViewModel selectedProducts = block?.GetValue("Products") as ProductListViewModel;
IList<ProductViewModel> products = selectedProducts?.Products;
}
<table id="@blockId" class="@blockType" align="center" border="0" cellpadding="0" cellspacing="0" role="presentation" style="mso-table-lspace:0pt;mso-table-rspace:0pt;@GetTableReset()color:inherit;width:100%;@(backgroundColor)">
<tbody>
<tr style="@GetTableReset()">
<td style="@GetTableReset()padding:@(padding)px">
<table align="center" border="0" cellpadding="0" cellspacing="0" role="presentation" style="mso-table-lspace:0pt;mso-table-rspace:0pt;@GetTableReset()color:inherit;width:100%;">
<tbody>
@if (products is object && products.Any())
{
@:<tr style="@GetTableReset()">
int index = 1;
int totalProducts = products.Count();
foreach (var product in products)
{
<td valign="top" style="@GetTableReset()">
@RenderProduct(product, blockTheme, align)
</td>
if (index % layoutColumns == 0 && !(index == totalProducts))
{
@:</tr>
@:<tr style="@GetTableReset()">
@:<td style="@GetTableReset()" colspan="100%" height="@(cellSpacing * 4)"> </td>
@:</tr>
@:<tr style="@GetTableReset()">
}
else
{
if(!(index == totalProducts))
{
@:<td width="@(cellSpacing)" style="@GetTableReset()"> </td>
}
}
index++;
}
@:</tr>
}
else
{
if (Pageview.IsVisualEditorMode)
{
<tr style="@GetTableReset()">
<td style="@(foregroundColor)">@Translate("No products selected")</td>
</tr>
}
}
</tbody>
</table>
<!--[if mso]><br/><![endif]-->
</td>
</tr>
</tbody>
</table>
@helper RenderImage(ProductViewModel product, Dynamicweb.Frontend.ItemViewModel theme)
{
int layout = Dynamicweb.Core.Converter.ToInt32(Model.Item.GetRawValueString("Layout", "2"));
int padding = Convert.ToInt32(Model.Item.GetRawValueString("Padding", "0"));
var imageRatio = Model.Item.GetRawValueString("ImageAspectRatio", "4-3").ToLower();
var parms = new Dictionary<string, object>();
parms.Add("alt", product.Name);
parms.Add("columns", layout);
parms.Add("gridColumns", Model.GridRowColumnCount);
parms.Add("nested", Model.GridRowColumnCount > 1);
parms.Add("padding", (padding * 2) + (8 * (layout - 1)));
parms.Add("imageRatio", imageRatio);
if(product.DefaultImage is object)
{
@RenderPartial("Swift_Email/Components/Image.cshtml", new Dynamicweb.Frontend.FileViewModel() {Name = product.Name, Path = product.DefaultImage.Value }, parms);
}
}
@helper RenderProduct(ProductViewModel product, Dynamicweb.Frontend.ItemViewModel theme, string align)
{
var backgroundColor = theme?.GetColor("BackgroundColor");
var foregroundColor = theme?.GetColor("ForegroundColor");
var borderColor = theme?.GetColor("BorderColor");
string variantIdForLink = !string.IsNullOrEmpty(product.VariantId) ? $"&VariantID={product.VariantId}" : "";
variantIdForLink = string.IsNullOrEmpty(variantIdForLink) && !string.IsNullOrEmpty(product.DefaultVariantId) ? $"&VariantID={product.DefaultVariantId}" : variantIdForLink;
string link = "Default.aspx?ID=" + GetPageIdByNavigationTag("Shop");
link += $"&GroupID={product.PrimaryOrDefaultGroup.Id}";
link += $"&ProductID={product.Id}";
link += variantIdForLink;
link = Dynamicweb.Frontend.SearchEngineFriendlyURLs.GetFriendlyUrl(link);
var uri = Dynamicweb.Context.Current.Request.Url;
var hostname = uri.Scheme + Uri.SchemeDelimiter + uri.Host;
bool hideProductPrice = Model.Item?.GetBoolean("HideProductPrice") ?? false;
bool hideProductNumber = Model.Item?.GetBoolean("HideProductNumber") ?? false;
<table style="border-collapse:collapse;table-layout:fixed;@GetTableReset()" cellpadding="0" cellspacing="0" width="100%" role="presentation">
<tbody>
<tr style="@GetTableReset()">
<td style="@GetTableReset()">
<div align="center" style="font-size:2px;">
<a style="text-decoration:none;@GetTableReset()" href="@link" target="_blank">
@RenderImage(product, theme)
</a>
</div>
<table style="border-collapse:collapse;table-layout:fixed;@GetTableReset()" cellpadding="0" cellspacing="0" width="100%" role="presentation">
<tbody>
<tr style="@GetTableReset()">
<td style="@GetTableReset()padding-top:8px;text-align:@align;line-height:18px;font-size:13px;text-decoration:none;color:@foregroundColor;">
<a style="text-decoration:none;color:@foregroundColor;@GetTableReset()" href="@link" target="_blank">
@product.Name
</a>
</td>
</tr>
@if (!hideProductNumber)
{
<tr>
<td style="@GetTableReset()padding-top:8px;line-height:18px;font-size:11px;color:@(GetMutedColor(foregroundColor.Hex, 20));">
@product.Number
</td>
</tr>
}
@if (!hideProductPrice)
{
<tr>
<td style="@GetTableReset()padding-top:8px;line-height:13px;font-size:13px;break-inside:avoid;word-break:keep-all;white-space:nowrap;color:@(foregroundColor);">
@product.Price.PriceFormatted
@if (product.Discount.Price > 0)
{
<span style="line-height:13px;font-size:13px;text-decoration:line-through;break-inside:avoid;word-break:keep-all;white-space:nowrap;color:@(GetMutedColor(foregroundColor.Hex, 20));">@product.PriceBeforeDiscount.PriceFormatted</span>
}
</td>
</tr>
}
<tr><td height="24" style="padding-top:24px;"></td></tr>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>
}
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