private string RewriteLinks(string content)
{
// Load the document.
var document = new HtmlDocument();
document.LoadHtml(content);
// Find all links in the document.
var linkQuery = document.DocumentNode.Descendants("a");
foreach (var linkNode in linkQuery.ToList())
{
if (linkNode.HasAttributes)
{
var url = linkNode.GetAttributeValue("href", "#");
if (!url.Equals("#", StringComparison.Ordinal))
{
var parts = url.Split(new[] { "://" }, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length == 2)
{
var protocol = parts[0];
if (protocol != null)
{
if (protocol.Equals("api", StringComparison.OrdinalIgnoreCase))
{
// Resolve the API member.
var data = parts[1].TrimStart('/');
// Update the link.
linkNode.SetAttributeValue("href", _resolver.GetUrl(data) ?? url);
}
else if (protocol.Equals("dsl", StringComparison.OrdinalIgnoreCase))
{
// Resolve the DSL member.
var data = parts[1].TrimStart('/');
// Update the link.
// TODO: Centralize resolving of URL.
var category = _dslModel.FindCategory(data);
var link = category != null?string.Concat("/dsl/", category.Slug) : url;
linkNode.SetAttributeValue("href", link);
}
else if (protocol.Equals("docs", StringComparison.OrdinalIgnoreCase))
{
// Resolve the documentation id.
var data = parts[1].TrimStart('/');
// Update the link.
linkNode.SetAttributeValue("href", string.Concat("/docs/", data));
}
}
}
}
}
}
return(document.DocumentNode.OuterHtml);
}
public ActionResult Index(string path)
{
if (string.IsNullOrWhiteSpace(path))
{
return(View(_model));
}
// Try to find the category.
var category = _model.FindCategory(path);
if (category != null)
{
return(View("Category", category));
}
// The category could not be found.
var message = $"Could not find DSL category '{path}'.";
return(HttpNotFound(message));
}