public async Task <Subscription> CreateSubscription(Uri uri)
{
// Fixup youtube channel url's (get "uploads" playlist)
uri = YouTubeUrlHelper.FixYouTubeChannelUri(uri);
// Running "ExtractInformation" here might be quite slow
var info = await ytdlService.UsingYoutubeDL(async ytdl =>
await ytdl.ExtractInformation(uri.ToString(), false));
if (info.Type != YoutubeDLWrapper.UrlType.Playlist && info.Type != YoutubeDLWrapper.UrlType.MultiVideo)
{
logger.LogDebug($"Subscription type for {uri}: {info.Type}");
throw new Exception("Invalid or unsupported URL format!");
}
// Fetch thumbnail, real channel title
var metadata = new List <KeyValuePair <string, string> >();
if (uri.Host.EndsWith("youtube.com"))
{
metadata = MetadataScraper.ScrapeMetadata(uri).ToList();
}
return(new Subscription()
{
SubscriptionId = info.Id,
SubscriptionProviderId = Id,
Name = GetFirst(metadata, "name", "og:title", "twitter:title") ?? info.Title,
Description = info.Description,
ThumbnailPath = GetFirst(metadata, "link:thumbnailUrl", "link:url", "og:image", "twitter:image") ?? info.Thumbnail?.ToString(),
OriginalUrl = uri.ToString()
});
}
public async Task <bool> CanHandleSubscriptionUrl(Uri uri)
{
try
{
uri = YouTubeUrlHelper.FixYouTubeChannelUri(uri);
var info = await ytdlService.UsingYoutubeDL(async ytdl =>
await ytdl.ExtractInformation(uri.ToString(), false));
return(info.Type == YoutubeDLWrapper.UrlType.Playlist ||
info.Type == YoutubeDLWrapper.UrlType.MultiVideo);
}
catch (Exception ex)
{
logger.LogDebug(ex, $"Cannot handle subscription URL {uri}");
return(false);
}
}
