public static string YTUrlParser(string ytLink)
{
// https://youtu.be/Gi-H7C2oHdA
if (ytLink.Contains("youtu.be"))
{
var id = ytLink.Split('/').Last().Trim();
ytLink = "https://www.youtube.com/watch?v=" + id;
}
//https://www.youtube.com/channel/UCgxTPTFbIbCWfTR9I2-5SeQ
//https://www.youtube.com/user/NavalnyRu
//https://www.youtube.com/watch?v=cHqtLrpRQ3Y&
var yc = new YoutubeClient();
string link = ytLink.Trim().Split("&")[0].TrimEnd('/');
string cid = null;
if (link.Contains("watch?v"))
{
cid = yc.GetVideoAuthorChannelAsync(link.Split('=')[1]).Result.Id;
}
if (link.Contains(".com/user"))
{
var text = new WebClient().DownloadString(link);
var match = new Regex("(?:data-channel-external-id=\")(.*?)(?:\")").Match(text);
cid = match.Groups.Last().Value;
}
if (link.Contains(".com/channel"))
{
link = link.Replace("/videos", "");
cid = link.Split("/").Last();
}
return(cid);
}
public async Task YoutubeClient_GetVideoAuthorChannelAsync_Test(string videoId)
{
var client = new YoutubeClient();
var channel = await client.GetVideoAuthorChannelAsync(videoId);
Assert.That(channel, Is.Not.Null);
}
private async Task DownloadMusicFile(HttpClient httpclient, DataRepository _repository, YoutubeClient _ytclient, YouTubeSourceMedia media)
{
_logger.LogInformation($"Getting metadata for {media.YouTubeId}");
try
{
var mediainfo = await _ytclient.GetVideoAsync(media.YouTubeId);
var channel = await _ytclient.GetVideoAuthorChannelAsync(media.YouTubeId);
MediaStreamInfoSet info = null;
info = await _ytclient.GetVideoMediaStreamInfosAsync(media.YouTubeId);
var audioinfo = info.Audio
.OrderBy(x => x.Size)
.Where(x => x.AudioEncoding == AudioEncoding.Aac)
.FirstOrDefault();
media.FilePath = Path.Combine(media.GetType().Name, channel.Id, $"{media.YouTubeId}.m4a")
.GetSafePath();
media.ArtworkPath = Path.Combine(media.GetType().Name, channel.Id, $"{media.YouTubeId}.jpg")
.GetSafePath();
var downloadfilepath = Path.Combine(_config.SourcesPath, media.FilePath).GetSafePath();
var downloadartworkpath = Path.Combine(_config.SourcesPath, media.ArtworkPath).GetSafePath();
_logger.LogInformation($"Downloading file {downloadfilepath}");
Directory.CreateDirectory(Path.GetDirectoryName(downloadfilepath));
await _ytclient.DownloadMediaStreamAsync(audioinfo, downloadfilepath);
await File.WriteAllBytesAsync(downloadartworkpath, await GetThumbnail(httpclient, mediainfo));
media.IsDownloaded = true;
await _repository.UpdateMedia(media);
}
catch (YoutubeExplode.Exceptions.VideoUnplayableException ex)
{
_logger.LogError(ex, $"Unable to download {media.YouTubeId}");
media.IsActive = false;
await _repository.UpdateMedia(media);
return;
}
_logger.LogInformation($"Download for {media.YouTubeId} completed");
}
public void YoutubeClient_GetVideoAuthorChannelAsync_Unavailable_Test(string videoId)
{
var client = new YoutubeClient();
Assert.ThrowsAsync <VideoUnavailableException>(() => client.GetVideoAuthorChannelAsync(videoId));
}
