public int AddTrackToCd(int? cdId, Track track) { var cdEntity = GetCdEntityFromDataContext(cdId); var trackEntity = new Data.Track { Artist = track.Artist, CD = cdEntity, CDId = cdId, Id = -1, Length = track.Length, Name = track.Name }; if (cdEntity.Tracks == null) { cdEntity.Tracks = new Collection<Data.Track>(); } cdEntity.Tracks.Add(trackEntity); _db.Entry(cdEntity).State = EntityState.Modified; _db.SaveChanges(); return trackEntity.Id; }
public void Delete(Track track) { var entity = _db.Tracks.Find(track.Id); _db.Tracks.Remove(entity); _db.SaveChanges(); }
public void Save(Track track) { var entity = _db.Tracks.FirstOrDefault(x => x.Id == track.Id); if (entity == null) { throw new ObjectNotFoundException("The requested track is not in the databse"); } var cdEntity = GetCdEntityFromDataContext(entity.CDId); entity.Artist = track.Artist; entity.CD = cdEntity; entity.CDId = cdEntity.Id; entity.Length = track.Length; entity.Name = track.Name; _db.Entry(entity).State = EntityState.Modified; _db.SaveChanges(); }
public Track GetTrackDetails(int id) { var trackEntity = _db.Tracks.FirstOrDefault(track => track.Id == id); if (trackEntity == null) { throw new ObjectNotFoundException("The requested Track is not in the databse"); } var trackModel = new Track { Artist = trackEntity.Artist, CDId = trackEntity.CDId, Id = trackEntity.Id, Length = trackEntity.Length, Name = trackEntity.Name }; return trackModel; }