public void InsertArticle(Article article)
{
WriteConcernResult writeConsernResult = _collection.Insert(article);
if (!writeConsernResult.Ok)
{
throw new ApplicationException(string.Format("Cannot insert article because {0}", writeConsernResult.Response));
}
}
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;
}
private bool Equals(Article other)
{
bool authorsEquals = Authors.Count == other.Authors.Count;
if (!authorsEquals) return false;
for(int i=0; i<Authors.Count; i++)
{
authorsEquals = Authors[i].Equals(other.Authors[i]);
if (!authorsEquals) return false;
}
return string.Equals(Id, other.Id) && string.Equals(Source, other.Source) && string.Equals(Subject, other.Subject)
&& string.Equals(Title, other.Title) && PublishDate.Equals(other.PublishDate) && LastUpdateTime.Equals(other.LastUpdateTime)
&& Content.Equals(other.Content) && authorsEquals && string.Equals(Summary, other.Summary);
}