public DownloadManager()
{
this.userManager = ServiceLocator.Usermanager;
// Observe if new users will be added
this.userManager.Users.CollectionChanged += (o, e) =>
{
// and observe his youtube links
var user = (o as ObservableCollection <User>).ElementAt(e.NewStartingIndex) as User;
// beim ersten mussen wirs noch selber machen
this.DownloadYoutubeLink(user.YoutubeLinks[0], user);
user.YoutubeLinks.CollectionChanged += (ob, arg) =>
{
if (arg.NewStartingIndex == -1)
{
return;
}
YoutubeFile youtubeFileToDownload = ((ob as ObservableCollection <YoutubeFile>).ElementAt(arg.NewStartingIndex) as YoutubeFile);
if (youtubeFileToDownload.Downloaded == true)
{
return;
}
this.DownloadYoutubeLink(youtubeFileToDownload, user);
};
};
}
private void PlayNextSong()
{
if (this.IsPaused)
{
return;
}
User user = null;
YoutubeFile youtubeFile = null;
for (int i = 0; i < this.userManager.Users.Count; i++)
{
user = this.ChooseNextUser(i);
youtubeFile = user.YoutubeLinks.FirstOrDefault();
if (youtubeFile != null)
{
break;
}
}
if (youtubeFile == null || string.IsNullOrEmpty(youtubeFile.Path))
{
// there is nothing to play
this.isPlaying = false;
return;
}
else
{
this.isPlaying = true;
user.TimePlayed += youtubeFile.Duration;
this.CurrentPlayingSong = youtubeFile;
Task.Run(() =>
{
//this.soundDevice.Stop(); // not sure about this
this.soundDevice.Initialize(CodecFactory.Instance.GetCodec(youtubeFile.Path));
this.soundDevice.Play();
});
var time = DateTime.Now;
Debug.WriteLine(time.Hour + ":" + time.Minute + ":" + time.Second + " " + youtubeFile.Name);
user.YoutubeLinks.Remove(youtubeFile);
}
}
public User(string name, YoutubeFile youtubeLink)
{
this.Name = name;
this.YoutubeLinks.Add(youtubeLink);
}
private void HandleWaveOutEventPlaybackStopped(object sender, PlaybackStoppedEventArgs e)
{
this.isPlaying = false;
this.CurrentPlayingSong = null;
this.PlayNextSong();
}
private void DownloadYoutubeLink(YoutubeFile youtubeFile, User user)
{
Task.Run(() =>
{
VideoInfo video = null;
try
{
IEnumerable <VideoInfo> videoInfos = DownloadUrlResolver.GetDownloadUrls(youtubeFile.Url);
video = videoInfos.First(info => info.VideoType == VideoType.Mp4);
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
user.YoutubeLinks.Remove(youtubeFile);
return;
}
if (video.RequiresDecryption)
{
DownloadUrlResolver.DecryptDownloadUrl(video);
}
if (!Directory.Exists(Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "/Downloaded"))
{
Directory.CreateDirectory(Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "/Downloaded");
}
var fileName = NormalizeFileName(video.Title);
var videoDownloader = new VideoDownloader(video, Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "/Downloaded", fileName + video.AudioExtension));
try
{
videoDownloader.Execute();
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
user.YoutubeLinks.Remove(youtubeFile);
return;
}
// Convert to mp4 to mp3
// -------------------
var inputFile = new MediaFile {
Filename = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "/Downloaded", fileName + video.AudioExtension)
};
var outputFile = new MediaFile {
Filename = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "/Downloaded", fileName + ".mp3")
};
using (var engine = new Engine())
{
engine.GetMetadata(inputFile);
engine.Convert(inputFile, outputFile);
}
// -------------------
youtubeFile.Name = video.Title;
youtubeFile.Duration = inputFile.Metadata.Duration.TotalSeconds;
youtubeFile.Downloaded = true;
youtubeFile.Path = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "/Downloaded", fileName + ".mp3");
File.Delete(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "/Downloaded", fileName + video.AudioExtension));
this.OnYoutubeFileDownloadFinish();
});
}
