public void AddArticle(Article article)
{
if (Start > article.PublishDate)
{
return;
}
foreach (var existing in Articles.Where(x => x.UniqueId == article.UniqueId).ToList())
{
Articles.Remove(existing);
article.Id = existing.Id;
article.PublishDate = existing.PublishDate;
}
Articles.Add(article);
article.ChunkId = Id;
if (Articles.Any(x => x.PublishDate > article.PublishDate))
{
Articles = Articles.OrderBy(x => x.PublishDate).ToList();
}
}
private Article ReadArticle(XElement xentry, DateTime now)
{
var article = new Article();
// RSS stuffs
Elem(xentry, "title", v => article.Title = v);
Elem(xentry, "author", v => article.Authors.Add(new Author { Name = v }));
Elem(xentry, elements + "creator", v => article.Authors.Add(new Author { Name = v }));
Elem(xentry, "description", v => article.Description = v);
Elem(xentry, "guid", v => article.UniqueId = v);
Elem(xentry, "pubDate", v => article.PublishDate = DateTime.Parse(v), v => TryParseRfc1123(v, ref article.PublishDate));
ElemLink(xentry, "link", v => article.Link = v);
ElemLink(xentry, "comments", v => article.CommentLink = v);
// Atom stuffs
Elem(xentry, atom + "id", v => article.UniqueId = v);
Elem(xentry, atom + "title", v => article.Title = v);
ReadAuthors(xentry, "author", article.Authors);
ReadAuthors(xentry, "contributor", article.Authors);
ElemAttrLink(xentry, v => article.Link = v);
if (string.IsNullOrEmpty(article.UniqueId))
{
// Hash the XML element itself to get a unique ID.
// This will be hell on porting if that ever comes up...
article.UniqueId = xentry.ToString().GetHashCode().ToString();
}
if (article.PublishDate == DateTime.MinValue)
{
// Atom uses ISO8601 rather than RFC1123. Yay!
Elem(xentry, atom + "published", v => article.PublishDate = DateTime.Parse(v).ToUniversalTime());
if (article.PublishDate == DateTime.MinValue)
{
Elem(xentry, atom + "updated", v => article.PublishDate = DateTime.Parse(v).ToUniversalTime());
if (article.PublishDate == DateTime.MinValue)
{
article.PublishDate = now;
}
}
}
Elem(xentry, atom + "summary", v => article.Summary = v);
// Should pay attention to the content type.
var content = xentry.Elements(atom + "content").FirstOrDefault();
if (content == null)
{
content = xentry.Elements(FeedParser.content + "encoded").FirstOrDefault();
}
if (content != null)
{
if (!string.IsNullOrWhiteSpace(content.Value))
{
article.Description = content.Value;
var type = content.Attribute("type");
if (type != null &&
type.Value.Contains("html") &&
!article.Description.Contains("<") &&
article.Description.Contains("&"))
{
// A lot of people seem to double-encode this -- atomenabled.org says you should.
// It's pretty f*****g stupid, but there you go.
article.Description = WebUtility.HtmlDecode(article.Description);
}
}
var attr = content.Attribute("src");
if (attr != null)
{
if (article.Link == null)
{
// Maybe just have a series of links, with optional tag?
Uri.TryCreate(attr.Value, UriKind.Absolute, out article.Link);
}
}
}
return article;
}