public Article(string id, string source, string subject, string title, string summary, List<Author> authors, DateTime lastUpdateTime, DateTime publishDate, Content content)
{
Id = id;
Source = source;
Title = title;
Authors = authors;
Content = content;
Summary = summary;
Subject = subject;
PublishDate = publishDate.ToUniversalTime();
LastUpdateTime = lastUpdateTime.ToUniversalTime();
}
public Dictionary<string, Article> Fetch(string uri)
{
var xmlReader = XmlReader.Create(uri);
SyndicationFeed feed = SyndicationFeed.Load(xmlReader);
xmlReader.Close();
if (feed == null)
{
return null;
}
var articles = new Dictionary<string, Article>();
foreach (var item in feed.Items)
{
string subject = item.Title.Text;
string summary = item.Summary.Text;
List<Author> authors = new List<Author>(item.Authors.Count);
authors.AddRange(item.Authors.Select(author => new Author(author.Name, author.Email)));
string articleContent = "";
foreach (SyndicationElementExtension ext in item.ElementExtensions)
{
if (ext.GetObject<XElement>().Name.LocalName == "encoded")
{
articleContent = ext.GetObject<XElement>().Value;
}
}
var content = new Content(articleContent, "Html");
DateTime lastUpdateTime = item.LastUpdatedTime.DateTime;
DateTime publishDate = item.PublishDate.DateTime;
var article = new Article(item.Id, uri, subject, item.Title.Text, summary, authors, lastUpdateTime, publishDate, content);
string key = string.Format("{0}.{1}", uri, item.Id);
articles.Add(key, article);
}
return articles;
}
