public override void DeleteFeedItems(ISession session)
{
XmlNodeList FeedXmlItems = XmlFeed.SelectNodes("/atom:feed/atom:entry", AtomNamespaceManager);
foreach (XmlNode XmlNodeItem in FeedXmlItems)
{
XmlNode xmlLink = XmlNodeItem.SelectSingleNode("atom:link[@rel='service.edit']", AtomNamespaceManager);
if (xmlLink == null)
{
throw new Exception("Missing /feed/entry/link[@rel='service.edit' in '" + AtomNamespace + "'.");
}
XmlAttribute xmlHref = xmlLink.Attributes["href"];
if (xmlHref == null)
{
throw new Exception("Element /feed/entry/link[@rel='service.edit'] is missing an href attribute.");
}
HttpWebRequest DeleteRequest = (HttpWebRequest)WebRequest.Create(xmlHref.InnerText);
if (!string.IsNullOrEmpty(mFeed.Username))
{
DeleteRequest.Credentials = new NetworkCredential(mFeed.Username, mFeed.Password, null);
}
DeleteRequest.Method = "DELETE";
DeleteRequest.UserAgent = "DBlog.NET/1.0";
string rx = new StreamReader(DeleteRequest.GetResponse().GetResponseStream()).ReadToEnd();
}
}
protected override int UpdateFeedItems(ISession session)
{
int result = 0;
if (!string.IsNullOrEmpty(mFeed.Xsl))
{
StringBuilder TransformedString = new StringBuilder();
XslCompiledTransform FeedXsl = new XslCompiledTransform();
FeedXsl.Load(new XmlTextReader(new StringReader(mFeed.Xsl)), null, null);
StringWriter StringWriter = new StringWriter(TransformedString);
XmlTextWriter TextWriter = new XmlTextWriter(StringWriter);
FeedXsl.Transform(new XmlNodeReader(XmlFeed.DocumentElement), TextWriter);
XmlFeed.LoadXml(TransformedString.ToString());
}
XmlNodeList FeedXmlItems = XmlFeed.SelectNodes("descendant::channel/item");
List <FeedItem> updated = new List <FeedItem>();
foreach (XmlNode XmlNodeItem in FeedXmlItems)
{
XmlNode xmlLink = XmlNodeItem.SelectSingleNode("link");
string link = (xmlLink != null) ? xmlLink.InnerText : null;
FeedItem current = null;
if (!string.IsNullOrEmpty(link))
{
for (int i = 0; i < mFeed.FeedItems.Count; i++)
{
FeedItem item = (FeedItem)mFeed.FeedItems[i];
if (item.Link == link)
{
current = item;
updated.Add(item);
mFeed.FeedItems.RemoveAt(i);
break;
}
}
}
if (current == null)
{
result++;
current = new FeedItem();
current.Feed = mFeed;
current.Link = link;
}
XmlNode xmlDescription = XmlNodeItem.SelectSingleNode("description");
current.Description = (xmlDescription != null) ? xmlDescription.InnerText : null;
XmlNode xmlTitle = XmlNodeItem.SelectSingleNode("title");
current.Title = (xmlTitle != null) ? xmlTitle.InnerText : null;
session.Save(current);
}
foreach (FeedItem item in mFeed.FeedItems)
{
session.Delete(item);
}
mFeed.FeedItems = updated;
return(result);
}