private async void DataCacheServiceOnDataChanged(object sender, EventArgs eventArgs)
{
var feeds = (await _dataCacheService.GetNewsFeeds(it => it.UnreadCount > 0)).OrderBy(ob => ob.Title).ToList();
// Add items
foreach (var feed in feeds)
{
var item = FeedItemSource.FirstOrDefault(x => x.Id == feed.Id);
if (item == null)
{
FeedItemSource.Add(feed);
}
}
// Remove items
foreach (var feed in FeedItemSource.ToList())
{
var item = feeds.FirstOrDefault(x => x.Id == feed.Id);
if (item == null)
{
FeedItemSource.Remove(feed);
}
}
}
private async Task ProcessFeedUpdates(NewsFeedResponse results)
{
_dataCacheService.BeginWrite();
foreach (var item in results.Feeds)
//foreach (var item in results.feeds.FeedItems.Where(t => t.properties.feed_title == "AnandTech"))
{
//TODO: dependency inject the realmness
var thisFeed = (await _dataCacheService.GetNewsFeeds(fe => fe.Id == item.Id)).FirstOrDefault();
if (thisFeed == null)
{
try
{
Debug.WriteLine(item.LastStoryDate);
thisFeed = new NewsFeed()
{
Id = item.Id,
FeedUri = item.FeedAddress,
Title = item.FeedTitle,
IconUri = item.FaviconUrl,
Active = item.Active,
LastStoryDateFromService = !string.IsNullOrEmpty(item.LastStoryDate) ? DateTimeOffset.Parse(item.LastStoryDate) : DateTimeOffset.MinValue
};
_dataCacheService.AddFeed(thisFeed);
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
}
else
{
if (item.LastStoryDate != null)
{
thisFeed.LastStoryDateFromService = DateTimeOffset.Parse(item.LastStoryDate);
}
}
//thisFeed.UnreadCount = DataModelManager.RealmInstance.All<Story>().Where(st => st.ReadStatus == 0 && st.FeedId == thisFeed.Id).Count();
}
_dataCacheService.Commit();
}