public async Task<PodcastFeed> GetPodcastFeedAsync(Podcast podcast)
{
await LoadFileAsync();
var results = await EvaluatePodcastFeedAsync(podcast.Location);
if (results.RedirectUri != null)
{
var record = new Podcast(podcast);
record.Location = results.RedirectUri;
await SaveUpdatedPodcastToFileAsync(record);
podcast.Update(record);
}
return results.Feed;
}