public async Task SetPlaylist(DataForTrackSaving tracksInfo, string provider, int index) { _socialNetworkApi = SocialNetworkApiFactory.GetSocialNetworkApi(provider); bool tracksToEnd = index == -1; using (var unitOfWork = _unitOfWorkFactory.NewUnitOfWork()) { var playlistTrackRepository = unitOfWork.GetRepository<PlaylistTrack>(); var trackRepository = unitOfWork.GetRepository<Track>(); List<VkTrackResponse.Audio> trackDatas = null; //get checked tracks var socialNetworkData = GetSocialNetworkData(unitOfWork, provider); trackDatas = await _socialNetworkApi.GetSelectedTracks(tracksInfo, socialNetworkData.AccessToken); if (trackDatas.Any()) { var playlist = unitOfWork.PlaylistRepository.GetOne(pl => pl.Id == tracksInfo.PlaylistId); playlist.PlaylistTracks = playlistTrackRepository.Get(s => s.Identifier.Playlist.Id == tracksInfo.PlaylistId).ToList(); int i = 0; //create Track objects var artistRepo = unitOfWork.GetRepository<Artist>(); try { foreach (var trackData in trackDatas) { if (trackData.Artist.Length > 50) { trackData.Artist = trackData.Artist.Substring(0, 50); } if (trackData.Title.Length > 50) { trackData.Title = trackData.Title.Substring(0, 50); } var artist = new Artist { Name = trackData.Artist }; var album = new Album { Name = "", Artist = artist, }; artist.Albums.Add(album); artistRepo.AddItem(artist); var track = new Track { Duration = trackData.Duration.ToString(CultureInfo.InvariantCulture), //Lyrics = // await _socialNetworkApi.GetLyricsById(socialNetworkData.ThirdPartId, trackData.Id, // socialNetworkData.AccessToken), Name = trackData.Title, Album = album, ThirdPartId = Convert.ToString(trackData.Id), OwnerId = Convert.ToString(trackData.OwnerId), Genre = trackData.GenreId.ToString(), }; track.Playlists.Add(playlist); album.Tracks.Add(track); trackRepository.AddItem(track); if (index == -1) { index = (playlist.Tracks.Any()) ? playlist.Tracks.Count() : 0; } var playlistTrack = new PlaylistTrack { Identifier = new PlaylistTracksIdentifier { Playlist = playlist, Track = track }, TrackPosition = index + i++ }; playlistTrackRepository.AddItem(playlistTrack); playlist.PlaylistTracks.Add(playlistTrack); } } catch (Exception exp) { var s = exp; } if (tracksToEnd == false) { playlist.PlaylistTracks.ForEach((item, n) => { if (n < playlist.PlaylistTracks.Count - i && item.TrackPosition >= index) { item.TrackPosition += i; } }); } } unitOfWork.Commit(); } }
public void PutTrackToPlaylist(int id, Track track) { using (var unitOfWork = _unitOfWorkFactory.NewUnitOfWork()) { var playlist = unitOfWork.PlaylistRepository.GetOne(pl => pl.Id == id); if (playlist == null) { throw new InstanceNotFoundException("Playlist with specified id does not exist"); } playlist.Tracks.Add(track); unitOfWork.Commit(); } }