private string RenderNavigation(DocumentMetaData metaData, CodeExportResult code)
{
var sb = new StringBuilder();
sb.AppendLine("<p class=\"example-back-link\">");
sb.AppendLine("< <a href=\"../index.html\">Go back</a>");
sb.AppendLine("</p>");
if (code.HasCode)
{
sb.AppendLine("<p class=\"example-download-link\">");
sb.AppendLine($"<a href=\"../{code.BundlePath}\" class=\"btn btn-primary btn-block\">Download example</a>");
sb.AppendLine("</p>");
}
if (metaData.Tags?.Count > 0)
{
var tags = new List <string>();
foreach (var tag in metaData.Tags)
{
var filename = GetTagFilename(tag);
tags.Add($"<a href=\"../{filename}\">{EscapeHtml(tag)}</a>");
}
sb.AppendLine("<h6>Tags</h6>");
sb.AppendLine("<p class=\"example-tags\">");
sb.AppendLine(string.Join(", ", tags));
sb.AppendLine("</p>");
}
sb.AppendLine(RenderConcepts(metaData.UxConcepts, _uxConcepts, "UX Concepts"));
sb.AppendLine(RenderConcepts(metaData.JsConcepts, _jsConcepts, "JS Concepts"));
return(sb.ToString());
}
private async Task <string> RenderContentAsync(string markdown, DocumentMetaData metaData, HashSet <string> mediaFiles, int slot)
{
var body = await _markdownParser.ParseAsync(markdown);
// Hack: Replace all links to .md files with links to .html files,
// as we're changing the extension of the files during local generation.
body = body.Replace(".md)", ".html)")
.Replace(".md\"", ".html\"")
.Replace(".md#", ".html#");
var sb = new StringBuilder();
sb.AppendLine($"<div class=\"example-content-preview example-content-preview-slot-{slot}\">");
sb.AppendLine(GetPreviewVideo(mediaFiles));
sb.AppendLine("</div>");
sb.AppendLine("<div class=\"example-content-body\">");
sb.AppendLine(body);
sb.AppendLine("</div>");
return(sb.ToString());
}
public async Task <DocumentExportResult> ExportAsync(string exampleName, string directoryName, DocumentMetaData metaData, CodeExportResult code, int slot)
{
var exampleFile = Path.Combine(directoryName, "example.md");
if (!File.Exists(exampleFile))
{
throw new ArgumentException($"No example file found at {exampleFile}");
}
var mediaFiles = await WriteMediaAsync(exampleName, directoryName);
if (metaData.PublishedAt.HasValue)
{
var content = await RenderContentAsync(File.ReadAllText(exampleFile), metaData, mediaFiles, slot);
var sidebar = RenderNavigation(metaData, code);
var html = _layout.Apply(content, sidebar, metaData.Title);
await _outputDir.WriteAsync(Path.Combine(exampleName, "index.html"), Encoding.UTF8.GetBytes(html));
return(new DocumentExportResult(isExternal: false,
slot: slot,
id: exampleName,
title: metaData.Title,
synopsis: metaData.Synopsis,
previewImage: GetPreviewImage(mediaFiles, $"{exampleName}/"),
detailedPreviewImage: null,
uri: $"{exampleName}/index.html",
publishedAt: metaData.PublishedAt.Value,
tags: metaData.Tags ?? new List <string>()));
}
return(null);
}
