public async Task UpdateMetadata(IEnumerable <Video> videos, bool updateMetadata, bool updateStatistics)
{
foreach (var video in videos)
{
var info = await ytdlService.UsingYoutubeDL(async ytdl =>
await ytdl.ExtractInformation(video.OriginalUrl, false));
if (updateMetadata)
{
video.Name = info.Title;
video.Description = info.Description;
video.Published = info.Timestamp;
video.LastUpdated = DateTimeOffset.Now;
video.ThumbnailPath = info.Thumbnail.ToString();
video.UploaderName = info.Uploader;
}
if (updateStatistics)
{
video.Views = info.ViewCount;
video.Rating = ProviderHelpers.CalculateRating(info.LikeCount, info.DislikeCount);
}
}
}
public async IAsyncEnumerable <Video> FetchVideos(Subscription subscription)
{
int tries = 3;
UrlInformation info;
do
{
info = await ytdlService.UsingYoutubeDL(async ytdl =>
await ytdl.ExtractInformation(subscription.OriginalUrl, true));
}while (info == null && tries-- > 0);
if (info == null)
{
throw new Exception("Failed to fetch videos (timed out)!");
}
Queue <UrlInformation> queue = new Queue <UrlInformation>();
if (info.Entries != null)
{
info.Entries.ForEach(queue.Enqueue);
}
int index = 0;
while (queue.Count > 0)
{
var entry = queue.Dequeue();
switch (entry.Type)
{
case UrlType.Playlist:
case UrlType.MultiVideo:
if (entry.Entries != null)
{
entry.Entries.ForEach(queue.Enqueue);
}
break;
case UrlType.Video:
yield return(new Video()
{
SubscriptionProviderId = entry.Id,
VideoProviderId = Id,
VideoId = entry.Id,
Name = entry.Title,
Description = entry.Description,
Subscription = subscription,
PlaylistIndex = index++,
Published = (entry.Timestamp != DateTime.MinValue) ? entry.Timestamp : DateTimeOffset.Now,
LastUpdated = DateTimeOffset.Now,
ThumbnailPath = entry.Thumbnail?.ToString(),
UploaderName = entry.Uploader,
OriginalUrl = entry.WebpageUrl?.ToString(),
Views = entry.ViewCount,
Rating = ProviderHelpers.CalculateRating(entry.LikeCount, entry.DislikeCount)
});
break;
}
}
}