void parseRSSFeed(Object sender, OpenReadCompletedEventArgs e)
{
XElement resultXml;
if (e.Error != null)
{
NotifyPropertyChanged("RSS_FEED_Errror");
return;
}
else
{
IList<RSSItem> tmp = new List<RSSItem>();
XNamespace web = "http://www.w3.org/2005/Atom";
try
{
resultXml = XElement.Load(e.Result);
DateTime t;
IsolatedStorageSettings settings = IsolatedStorageSettings.ApplicationSettings;
DateTime lastUpdated = DateTime.MinValue;
if(settings.Contains(RSS_UPDATED))
{
lastUpdated = (DateTime) settings[RSS_UPDATED];
}
foreach (XElement result in resultXml.Descendants(web + "entry"))
{
RSSItem item = new RSSItem();
item.Title = result.Element(web + "title").Value.Trim();
item.Description = result.Element(web + "content").Value.Replace("<br><br>", ". ").Replace("<br>", " ").Trim();
foreach (XAttribute a in result.Element(web + "link").Attributes())
{
if (a.Name.ToString().ToLower() == "href")
{
item.URL = a.Value.Trim();
}
}
item.ID = result.Element(web + "id").Value.Trim();
item.Read = false;
item.Later = false;
item.DateAddedToList = DateTime.Now;
if(DateTime.TryParse(result.Element(web + "updated").Value.Trim(), out t))
{
item.Updated = t;
}
if (item.Updated.CompareTo(lastUpdated) > 0)
{
tmp.Add(item);
}
}
if (!settings.Contains(RSS_UPDATED))
{
settings.Add(RSS_UPDATED, DateTime.Now);
}
else
{
settings[RSS_UPDATED] = DateTime.Now;
}
settings.Save();
foreach (RSSItem ri in tmp.OrderByDescending(x => x.Updated))
{
this.RSSItems.Add(ri);
}
tmp.Clear();
}
catch (System.Xml.XmlException ex)
{
}
NotifyPropertyChanged("RSSItemsRetrived");
}
}
public RSSItem addItem(string title, string description, string url, string id, DateTime date, Boolean read, Boolean later, Boolean starred)
{
RSSItem item = new RSSItem();
item.Title = title;
item.Description = description;
item.URL = url;
item.ID = id;
item.Read = read;
item.Later = later;
item.Starred = starred;
item.Updated = date;
item.DateAddedToList = date;
this.RSSItems.Add(item);
NotifyPropertyChanged("RSSItemsAdded");
return item;
}
