/// <summary>
/// Metodo encargado de buscarcanciones en una carpeta para su importaci'on en la biblioteca de usuario
/// </summary>
/// <param name="directoryPath">Ruta de acceso a directorio</param>
public void ImportSongsToLibrary(String directoryPath)
{
List<TrackInfo> tracksToInsert = new List<TrackInfo>();
SessionManager sessionManager= SessionManager.Instance;
string unknownFrame = "Unknown";
string[] musicFiles = Directory.GetFiles(directoryPath, "*.mp3");
foreach (string musicFile in musicFiles)
{
UserTrackRepository userTrackRepository = new UserTrackRepository();
TrackRepository trackRepository = new TrackRepository();
using (var mp3 = new Mp3File(musicFile))
{
TrackInfo currentTrack = new TrackInfo() {TrackId = Guid.NewGuid()};
if (mp3.HasTags)
{
Id3Tag tag = mp3.GetTag(Id3TagFamily.FileStartTag);
if (tag != null)
{
currentTrack.Title = tag.Title.IsAssigned ? tag.Title.Value : unknownFrame;
currentTrack.AlbumTitle = tag.Album.IsAssigned ? tag.Album.Value : unknownFrame;
currentTrack.ArtistTitle = tag.Artists.IsAssigned ? tag.Artists : unknownFrame;
currentTrack.Genre = getGenre(tag.Genre.Value);
if (tag.Lyrics.Count != 0)
{
currentTrack.Lyric = tag.Lyrics[0].IsAssigned ? tag.Lyrics[0].Lyrics : "";
}
else
{
currentTrack.Lyric = "";
}
if (tag.Year.IsAssigned)
{
int year;
if (Int32.TryParse(tag.Year.Value, out year))
{
currentTrack.Year = year;
}
}
}
else
{
currentTrack.Title = unknownFrame;
currentTrack.AlbumTitle =unknownFrame;
currentTrack.ArtistTitle = unknownFrame;
currentTrack.Genre = unknownFrame;
currentTrack.Lyric = "";
currentTrack.Year = 0;
}
currentTrack.SongPath = musicFile;
currentTrack.TrackId = Guid.NewGuid();
tracksToInsert.Add(currentTrack);
}
else
{
currentTrack.Title =unknownFrame;
currentTrack.AlbumTitle = unknownFrame;
currentTrack.ArtistTitle =unknownFrame;
currentTrack.Genre = unknownFrame;
currentTrack.Lyric = "";
currentTrack.SongPath = musicFile;
currentTrack.TrackId= Guid.NewGuid();
currentTrack.Year = 0;
tracksToInsert.Add(currentTrack);
}
}
}
this.userTracks.AddRange(tracksToInsert);
this.InsertIntoDatabase(tracksToInsert);
}
/// <summary>
/// Metodo encargado de inicializar la biblioteca, carga los datos de las canciones desde la base de datos
/// </summary>
public void InitializeLibrary()
{
FileManager fileManager =new FileManager();
fileManager.CreateUserDirectory();
SessionManager sessionManager = SessionManager.Instance;
TrackRepository trackRepo = new TrackRepository();
UserTrackRepository userTrackRepo =new UserTrackRepository();
List<Track> userStoredTracks= trackRepo.GetTraksByUserId(sessionManager.UserId);
foreach (var userTrack in userStoredTracks)
{
TrackInfo trackInfo =new TrackInfo() {Title = userTrack.Title,TrackId = userTrack.TrackID,AlbumTitle = userTrack.Album.Title,
ArtistTitle = userTrack.Album.Artist.Title,SongPath = userTrack.Path,Year = userTrack.Album.ReleaseYear,
Lyric = userTrack.Lyrics,Genre = userTrack.Genre};
trackInfo.isSynced = userTrackRepo.GetUserTrackByPK(sessionManager.UserId,trackInfo.TrackId).IsSync;
this.userTracks.Add(trackInfo);
}
trackRepo.Dispose();
userTrackRepo.Dispose();
}
/// <summary>
/// Metodo encargado de interactuar con la capa de datos para realizar las inserciones en la base de datos local
/// </summary>
/// <param name="tracksToInsert">Lista de tracks por ingresar</param>
private void InsertIntoDatabase(List<TrackInfo> tracksToInsert)
{
ArtistRepository artistRepo = new ArtistRepository();
AlbumRepository albumRepo =new AlbumRepository();
TrackRepository trackRepo =new TrackRepository();
UserTrackRepository usertracksRepo = new UserTrackRepository();
foreach (TrackInfo trackInfo in tracksToInsert)
{
Artist trackArtist = GetArtistByTitle(trackInfo.ArtistTitle);
if (trackArtist == null)
{
//Creates new artist and insert into database
trackArtist = new Artist() {ArtistID = Guid.NewGuid(), Title = trackInfo.ArtistTitle};
artistRepo.Add(trackArtist);
artistRepo.SaveChanges();
}
else
{
//artistRepo.Attach(trackArtist);
}
Album trackAlbum = GetAlbumByTitleAndArtistTitle(trackInfo.AlbumTitle,trackArtist.Title);
if (trackAlbum == null)
{
//Set trackAlbum as new Album
trackAlbum= new Album() {AlbumID = Guid.NewGuid(),ArtistID = trackArtist.ArtistID,Title = trackInfo.AlbumTitle, ReleaseYear = trackInfo.Year};
albumRepo.Add(trackAlbum);
albumRepo.SaveChanges();
}
else
{
//albumRepo.Attach(trackAlbum);
}
//Creates new track
Track newTrack=new Track() {AlbumID = trackAlbum.AlbumID,Title = trackInfo.Title, Genre =trackInfo.Genre,Lyrics = trackInfo.Lyric,Path = trackInfo.SongPath,TrackID = trackInfo.TrackId};
usertracksRepo.Add(new UserTrack() {UserID = SessionManager.Instance.UserId,TrackID = trackRepo.Add(newTrack).TrackID,IsSync = false});
//artistRepo.SaveChanges();
trackRepo.SaveChanges();
}
usertracksRepo.SaveChanges();
artistRepo.Dispose();
trackRepo.Dispose();
usertracksRepo.Dispose();
}