public BlogIndex Parse(DirectoryPath path)
{
var directory = _fileSystem.GetDirectory(path);
if (!directory.Exists)
{
return(new BlogIndex(Enumerable.Empty <BlogPost>()));
}
var posts = new List <BlogPost>();
var files = directory.GetFiles("*", SearchScope.Current);
foreach (var file in files)
{
var filename = BlogFilename.Parse(file.Path);
if (filename != null)
{
// Read the file.
var content = _parser.Parse(file.Path);
if (!content.FrontMatter.ContainsKey("content-type"))
{
content.FrontMatter.Add("content-type", "markdown");
}
// Process the content.
var body = _processor.PreProcess(content.Body);
body = _converter.ConvertToHtml(content, body);
body = _processor.PostProcess(body) ?? body;
// Get the excerpts.
var excerpts = _converter.ConvertToHtml(content, content.Excerpt);
// Rewrite the feed body.
// This is kind of a hack, but we need to make sure that all links are absolute.
var feedBody = RewriteRelativeLinks(body);
var author = content.GetFrontMatter("author");
// Add the blog post.
posts.Add(new BlogPost(filename.Slug,
content.GetFrontMatter("title"), body, feedBody, excerpts, filename.PostedAt,
GetCategories(content), author == null ? "Cake Team" : author));
}
}
// Hack. Don't judge me... :)
var maxDate = posts.Max(x => x.PostedAt);
var lastPost = posts.FirstOrDefault(x => x.PostedAt == maxDate);
if (lastPost != null)
{
lastPost.IsLatest = true;
}
return(new BlogIndex(posts));
}
private Topic ReadTopic(XmlReader reader, DirectoryPath root)
{
var file = reader.GetAttribute("file");
var url = reader.GetAttribute("importurl");
if (string.IsNullOrWhiteSpace(file) &&
string.IsNullOrWhiteSpace(url))
{
return(null);
}
var id = reader.GetAttribute("id");
var title = reader.GetAttribute("title");
var hidden = string.Equals("true", reader.GetAttribute("hidden"), StringComparison.OrdinalIgnoreCase);
if (string.IsNullOrWhiteSpace(id))
{
if (!string.IsNullOrWhiteSpace(url))
{
throw new InvalidOperationException("A remote document require a local ID.");
}
if (!string.IsNullOrWhiteSpace(file))
{
id = Path.GetFileNameWithoutExtension(file);
}
else if (!string.IsNullOrWhiteSpace(title))
{
id = title.ToSlug();
}
else
{
throw new InvalidOperationException("Could not generate ID from topic.");
}
}
var body = ReadBody(root, file, url) ?? string.Empty;
if (!string.IsNullOrWhiteSpace(body))
{
// Read the file and separate front matter from content.
var content = _contentParser.ParseString(body);
if (content != null)
{
body = _contentProcessor.PreProcess(content.Body);
body = _contentConverter.ConvertToHtml(content, body);
}
// Process the content.
body = _contentProcessor.PostProcess(body) ?? body;
}
return(new Topic(id, title, body, hidden, file, url));
}
private Topic ReadTopic(XmlReader reader, DirectoryPath root)
{
var file = reader.GetAttribute("file");
if (string.IsNullOrWhiteSpace(file))
{
return(null);
}
var id = reader.GetAttribute("id");
var title = reader.GetAttribute("title");
var body = string.Empty;
if (string.IsNullOrWhiteSpace(id))
{
if (!string.IsNullOrWhiteSpace(file))
{
id = Path.GetFileNameWithoutExtension(file);
}
else if (!string.IsNullOrWhiteSpace(title))
{
id = title.ToSlug();
}
else
{
throw new InvalidOperationException("Could not generate ID from topic.");
}
}
var path = root.CombineWithFilePath(file);
if (_fileSystem.Exist(path))
{
// Read the file and separate front matter from content.
var content = _contentParser.Parse(path);
if (content != null)
{
body = _contentProcessor.PreProcess(content.Body);
body = _contentConverter.ConvertToHtml(content, body);
}
// Process the content.
body = _contentProcessor.PostProcess(body) ?? body;
}
return(new Topic(id, title, body, file));
}