/// <summary>
/// Converts an xml list of items into an RSS feed
/// </summary>
/// <param name="title"></param>
/// <param name="link"></param>
/// <param name="description"></param>
/// <param name="copyright"></param>
/// <param name="postTableName"></param>
/// <param name="postItemTitleFieldName"></param>
/// <param name="postItemDescriptionFieldName"></param>
/// <param name="postItemUrlFieldName"></param>
/// <param name="postItemDatePostedFieldName"></param>
/// <param name="xmlData"></param>
/// <param name="maxItemsToReturn"></param>
/// <param name="eventLog"></param>
/// <returns></returns>
public static String XmlToRss(String title, String link, String description, String copyright, String postTableName, String postItemTitleFieldName, String postItemDescriptionFieldName, String postItemUrlFieldName, String postItemDatePostedFieldName, String xmlData, Int32 maxItemsToReturn, IEventLog eventLog)
{
var builder = new StringBuilder();
var settings = new XmlWriterSettings {
Encoding = Encoding.UTF8, Indent = true
};
var feedWriter = XmlWriter.Create(builder, settings);
feedWriter.WriteStartDocument();
// These are RSS Tags
feedWriter.WriteStartElement("rss");
feedWriter.WriteAttributeString("version", "2.0");
feedWriter.WriteStartElement("channel");
feedWriter.WriteElementString("title", title);
feedWriter.WriteElementString("link", link);
feedWriter.WriteElementString("description", description);
feedWriter.WriteElementString("copyright", copyright);
var posts = DataSetHelper.ConvertXmlStringToDataSet(xmlData, false);
// Write all Posts in the rss feed
int[] itemCount = { 0 };
foreach (var post in posts.Tables[postTableName].Rows.Cast <DataRow>().Where(post => itemCount[0] <= maxItemsToReturn || maxItemsToReturn == 0))
{
feedWriter.WriteStartElement("item");
feedWriter.WriteElementString("title", post[postItemTitleFieldName].ToString());
feedWriter.WriteElementString("description", post[postItemDescriptionFieldName].ToString());
feedWriter.WriteElementString("link", post[postItemUrlFieldName].ToString());
feedWriter.WriteElementString("pubDate", post[postItemDatePostedFieldName].ToString());
feedWriter.WriteEndElement();
itemCount[0]++;
}
// Close all open tags tags
feedWriter.WriteEndElement();
feedWriter.WriteEndElement();
feedWriter.WriteEndDocument();
feedWriter.Flush();
feedWriter.Close();
return(builder.ToString());
}
