private async Task<RedirectionResolution> EvaluatePodcastFeedAsync(
Uri podcastUri, IUriResolution uriResolver)
{
var previouslyTriedUris = new List<Uri>();
for(var i = 0; i < MaximumDepth; i++)
{
PodcastFeed feed;
using (var stream = await uriResolver.GetStreamAsync(podcastUri))
{
feed = await PodcastFeed.LoadFeedAsync(stream).ConfigureAwait(false);
}
if (feed.ITunes.NewFeedUrl == null)
{
return new RedirectionResolution(
location: podcastUri,
feed: feed);
}
previouslyTriedUris.Add(podcastUri);
podcastUri = feed.ITunes.NewFeedUrl;
}
throw new RedirectResolutionMaxDepthExceededException(
maximumDepth: MaximumDepth,
redirections: previouslyTriedUris);
}
public void InitTest()
{
_uriResolution = new TestFeedResolution("TestFeeds");
}
public Task<RedirectionResolution> ResolveUri(Uri location, IUriResolution uriResolver)
{
return EvaluatePodcastFeedAsync(location, uriResolver);
}
