public async Task GetFeed()
{
try
{
SyndicationClient client = new SyndicationClient();
SyndicationFeed feed;
// Although most HTTP servers do not require User-Agent header,
// others will reject the request or return a different response if this header is missing.
// Use the setRequestHeader() method to add custom headers.
client.SetRequestHeader("User-Agent", "Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; WOW64; Trident/6.0)");
feed = await client.RetrieveFeedAsync(this.uri);
// Retrieve the title of the feed and store it in a string.
string title = feed.Title.Text;
// Iterate through each feed item.
feedItems = new List <T>();
foreach (SyndicationItem item in feed.Items)
{
try
{
feedItems.Add(ObjectFactory(item));
}
catch { }
}
RSSItemsChanged?.Invoke(this, new EventArgs());
lastUpdated = DateTime.Now;
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
Debug.WriteLine(ex.StackTrace);
}
}
private void LoadOrDownload()
{
var appStorage = IsolatedStorageFile.GetUserStoreForApplication();
try
{
using (var feedFile = appStorage.OpenFile($@"feed.json", System.IO.FileMode.Open))
{
DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(List <T>));
feedItems = serializer.ReadObject(feedFile) as List <T>;
feedFile.Close();
RSSItemsChanged?.Invoke(this, new EventArgs());
GetFeed();
}
}
catch (Exception ex)
{
GetFeed();
}
}
