private Track GetTrackWithFreshYoutubeUrl(Track originalTrack)
{
IEnumerable <Track> tracks = playlistManager.ReadTracks().Where(t => t.Artist == originalTrack.Artist && t.Title == originalTrack.Title);
DateTime timeTrackRequested = new DateTime(1970, 1, 1, 0, 0, 0);
Track trackWithLatestYoutubeUrl = null;
string youTubeVideo = null;
foreach (Track track in tracks)
{
if (track.Url != null)
{
Match match = Regex.Match(track.Url, @"lmt(\=[^&]*)?(?=&|$)|^lmt(\=[^&]*)?(&|$)");
if (match.Success)
{
string timestamp;
timestamp = match.Groups[1].Value;
timestamp.Replace("lmt=", "");
DateTime datetime = new DateTime(1970, 1, 1, 0, 0, 0).AddMilliseconds(Convert.ToDouble(timestamp));
if (datetime > timeTrackRequested)
{
timeTrackRequested = datetime;
trackWithLatestYoutubeUrl = track;
}
}
}
}
if (timeTrackRequested.AddHours(6) >= DateTime.UtcNow || trackWithLatestYoutubeUrl == null)
{
var youTube = YouTube.Default; // starting point for YouTube actions
youTubeVideo = youTube.GetVideo(originalTrack.TrackSource.Url).Uri; // gets a Video object with info about the video
}
else
{
youTubeVideo = trackWithLatestYoutubeUrl.Url;
}
Track newTrack = new Track()
{
Id = originalTrack.Id,
Artist = originalTrack.Artist,
CoverArtUrl = originalTrack.CoverArtUrl,
Duration = originalTrack.Duration,
TrackSource = new TrackSource()
{
Id = originalTrack.TrackSource.Id,
SourceType = originalTrack.TrackSource.SourceType,
TrackId = originalTrack.TrackSource.TrackId,
Url = originalTrack.TrackSource.Url
},
Title = originalTrack.Title,
Url = youTubeVideo
};
return(newTrack);
}