private void EndGetResponse(IAsyncResult result)
{
try{
var state = result.AsyncState as MainViewModel.RequestState;
WebResponse response = state.Request.EndGetResponse(result);
Rss.Structure.RssFeed rss = RssHelper.ReadRss(response.GetResponseStream());
if (rss.Channel == null)
{
Deployment.Current.Dispatcher.BeginInvoke(() => UrlStatus = invalidRssFeed);
}
else
{
Deployment.Current.Dispatcher.BeginInvoke(() => UrlStatus = validRssFeed);
if (!isolatedStorageSettings.Contains(RssFeedKey))
{
isolatedStorageSettings[RssFeedKey] = new RssFeed();
}
var rssFeed = isolatedStorageSettings[RssFeedKey] as RssFeed;
rssFeed.RssLink = state.Address;
rssFeed.RssTitle = rss.Channel.Title.ToLower();
rssFeed.LastUpdated = DateTime.Now;
rssFeed.Stories = new ObservableCollection <RssStory>(RssFeed.CloneStories(rss));
}
} catch (Exception exception) {
Debug.Assert(exception != null);
Deployment.Current.Dispatcher.BeginInvoke(() => UrlStatus = invalidRssFeed);
}
}
private void EndGetResponse(IAsyncResult result)
{
try
{
var state = result.AsyncState as RequestState;
WebResponse response = state.Request.EndGetResponse(result);
Rss.Structure.RssFeed rss = RssHelper.ReadRss(response.GetResponseStream());
Deployment.Current.Dispatcher.BeginInvoke(() => IsDataLoaded = true);
Deployment.Current.Dispatcher.BeginInvoke(() => UpdateRssFeed(rss, state.RssFeed));
} catch (Exception exception) {
Deployment.Current.Dispatcher.BeginInvoke(() => IsDataLoaded = true);
Deployment.Current.Dispatcher.BeginInvoke(() => MessageBox.Show(exception.Message));
}
}
public static List <RssStory> CloneStories(Rss.Structure.RssFeed rss)
{
var stories = new List <RssStory>();
foreach (var rssItem in rss.Channel.Item)
{
var rssStory = new RssStory();
rssStory.Description = StripTagsCharArray(rssItem.Description);
rssStory.StoryLink = rssItem.Link.Url;
rssStory.Title = StripTagsCharArray(rssItem.Title);
stories.Add(rssStory);
}
return(stories);
}
private void UpdateRssFeed(Rss.Structure.RssFeed rss, RssFeed rssFeed)
{
var miniRss = new RssFeed(rss);
rssFeed.Stories.Clear();
foreach (RssStory story in miniRss.Stories)
{
rssFeed.Stories.Add(story);
}
_applicationSettings.Remove(rssFeed.RssTitle);
rssFeed.RssTitle = miniRss.RssTitle.ToLower();
NotifyPropertyChanged("StorySources");
NotifyPropertyChanged("Stories");
rssFeed.LastUpdated = DateTime.Now;
_applicationSettings[RssFeedsKey] = new Collection <RssFeed> (StorySources);
_applicationSettings.Save();
}
public RssFeed(Rss.Structure.RssFeed rss) : base()
{
this.Stories = new ObservableCollection <RssStory>(CloneStories(rss));
this.RssTitle = rss.Channel.Title;
this.LastUpdated = DateTime.Now;
}
