public async Task LoadNewEpisodesAsync()
{
int newEpisodesCount = 0;
var allEpisodes = allPodcasts.SelectMany(p => p.Episodes).ToList();
var episodes = allEpisodes.ToList();
var newEpisodes = await PodcastService.CheckForNewEpisodes(allPodcasts.Select(p => p.Podcast));
episodes.AddRange(from episode in newEpisodes
select new EpisodeViewModel(episode));
foreach (var episode in episodes)
{
if (!allEpisodes.Contains(episode))
{
allEpisodes.Add(episode);
newEpisodesCount++;
}
}
allEpisodes = allEpisodes.OrderByDescending(e => e.Episode.Published).ToList();
var episodesToAdd = allEpisodes.Take(newEpisodesCount).ToList();
foreach (var episode in episodesToAdd)
{
_episodes.Insert(episodesToAdd.Count - newEpisodesCount, episode);
newEpisodesCount--;
}
await SavePodcastsAsync();
}