public static string LoadAtom()
{
var config = Settings.Load();
string site = config.SiteUrl;
if (string.IsNullOrEmpty(site))
{
return(string.Empty);
}
string id = "DownSiteID";
SyndicationFeed feed = new SyndicationFeed(config.SiteName ?? "Test", config.SiteDescription ?? "Test", new Uri(site), id, DateTime.Now);
List <SyndicationItem> items = new List <SyndicationItem>();
var blog = Database.Db.Select <Article>(x => x.ShowInBlog).OrderByDescending(x => x.Created);
foreach (var a in blog)
{
string html = new CustomMarkdownSharp.Markdown()
{
Static = true
}.Transform(a.Content);
HtmlDocument doc = new HtmlDocument();
doc.LoadHtml(html);
string text = new HtmlToText().ConvertHtml(html);
SyndicationItem item = new SyndicationItem(a.Title, text, new Uri(site + a.Link), a.Id.ToString(), a.Created);
items.Add(item);
}
feed.Items = items;
Atom10FeedFormatter atomFormatter = new Atom10FeedFormatter(feed);
MemoryStream mem = new MemoryStream();
using (var writer = System.Xml.XmlWriter.Create(mem, new System.Xml.XmlWriterSettings()
{
Encoding = Encoding.UTF8, OmitXmlDeclaration = false
}))
atomFormatter.WriteTo(writer);
string ret = Encoding.UTF8.GetString(mem.ToArray());
return(ret);
}
//[AddHeader(ContentType = MimeTypes.Html)]
public object GetHtml(Article request, bool staticpage = false)
{
var preview = Request != null?Request.AbsoluteUri.EndsWith("?preview") : false;
//var article = Database.db.Single<Article>(x => x.Title == request.Title || x.Id == request.Id);
var article = Database.Db.LoadSelect <Article>(x => x.Title == request.Title || x.Id == request.Id).SingleOrDefault();
if (article == null)
{
return(new HttpResult(HttpStatusCode.NotFound, "no such article."));
}
//var author = Database.db.Single<User>(x => x.Id == article.AuthorId);
//var category = string.Join(",", Database.db.Select<Category>(x => x.ArticleId == article.Id).OrderBy(x => x.Name).Select(x => x.Name));
var category = article.Category != null?string.Join(",", article.Category.OrderBy(x => x.Name).Select(x => x.Name)) : "";
if (article.Author != null)
{
article.AuthorName = article.Author.UserName;
}
else
{
article.AuthorName = "unknown author";
}
//var parts = Database.db.Select<Part>(x => x.ArticleId == article.Id).OrderBy(x => x.Number).ToArray();
string header = "<h1>" + article.Title + "</h1><p>" + (article.AuthorName ?? "unknown author") + ", " + article.Created + " [" + category + "]</p>";
string html = "";
string previewtext = "";
if (!string.IsNullOrWhiteSpace(article.Content))
{
if (preview)
{
previewtext += new HtmlToText().ConvertHtml(article.Content);
}
else
{
html += new CustomMarkdownSharp.Markdown()
{
Static = staticpage
}
}.Transform(article.Content);
public static string Preview(string markdown, bool staticpage = false)
{
string html = new CustomMarkdownSharp.Markdown()
{
Static = staticpage
}.Transform(markdown);
HtmlDocument doc = new HtmlDocument();
doc.LoadHtml(html);
string text = new HtmlToText().ConvertHtml(html);
if (text.Length > 50)
{
text = text.Substring(0, 50);
}
bool br_inserted = false;
{
var imgs = doc.DocumentNode.SelectNodes("//img");
if (imgs != null)
{
foreach (HtmlNode img in imgs)
{
string url = img.GetAttributeValue("src", null);
if (url != null && url.Length > 1 && url[0] == '/' && url[1] != '/')
{
if (url.StartsWith("/image/"))
{
url = url.Substring(7);
url = Path.GetFileNameWithoutExtension(url);
url = url.Split(Constants.Seperator[0])[0];
url += Constants.Seperator + "thumb.jpg";
url = "/image/" + url;
if (!br_inserted)
{
text += "<br/>";
br_inserted = true;
}
text += string.Format(@"<img src=""{0}""/>", url);
}
}
}
}
}
{
var videos = doc.DocumentNode.SelectNodes("//video");
if (videos != null)
{
foreach (HtmlNode video in videos)
{
string url = video.GetAttributeValue("src", null);
if (url != null && url.Length > 1 && url[0] == '/' && url[1] != '/')
{
if (url.StartsWith("/image/"))
{
url = url.Substring(7);
url = Path.GetFileNameWithoutExtension(url);
url = url.Split(Constants.Seperator[0])[0];
url += Constants.Seperator + "thumb.jpg";
url = "/image/" + url;
if (!br_inserted)
{
text += "<br/>";
br_inserted = true;
}
text += string.Format(@"<img src=""{0}""/>", url);
}
}
}
}
}
Regex regex = new Regex(@"!\[youtube\]\(([A-Za-z0-9\-]+)\)");
Match match = regex.Match(markdown);
if (match.Success)
{
do
{
string youtube_id = match.Groups[1].Value;
text += string.Format(@"<img src=""{0}""/>", "https://img.youtube.com/vi/" + youtube_id + "/1.jpg");
match = match.NextMatch();
}while (match.Success);
}
return(text);
}
