コード例 #1
0
        public Task AddPlaylist(UserPlaylist playlist)
        {
            Playlists.Add(playlist);
            PlaylistAdded?.Invoke(this, playlist);

            using (
                var command =
                    new SQLiteCommand(
                        "INSERT INTO `Playlists` (Name, Guid) VALUES (@name, @guid)", _connection))
            {
                command.Parameters.AddWithValue("@name", playlist.Name);
                command.Parameters.AddGuid("@guid", playlist.Id);

                return(command.ExecuteNonQueryAsync());
            }
        }
コード例 #2
0
ファイル: MusicLibrary.cs プロジェクト: djfdyuruiry/Dukebox
        public async Task <Playlist> AddPlaylist(string name, IEnumerable <string> filenames)
        {
            if (name == null)
            {
                throw new ArgumentNullException("name");
            }

            await _dbContextMutex.WaitAsync();

            var existingPlaylist = _dukeboxData.Playlists.FirstOrDefault(a => a.Name.Equals(name, StringComparison.CurrentCulture));

            if (existingPlaylist != null)
            {
                _dbContextMutex.Release();

                logger.WarnFormat("Not adding playlist with name '{0}' as another playlist with the same name already exists in the database", name);
                return(existingPlaylist);
            }

            if (filenames == null)
            {
                throw new ArgumentNullException("filenames");
            }

            var stopwatch   = Stopwatch.StartNew();
            var newPlaylist = new Playlist()
            {
                Name = name, FilenamesCsv = string.Join(",", filenames)
            };

            try
            {
                _dukeboxData.Playlists.Add(newPlaylist);
                await _dukeboxData.SaveChangesAsync();

                // Invalidate playlist cache.
                _allPlaylistsCache = null;

                stopwatch.Stop();
                logger.InfoFormat("Added playlist to library: {0}", newPlaylist.Name);
                logger.DebugFormat("Adding playlist to library took {0}ms. Playlist id: {1}", stopwatch.ElapsedMilliseconds, newPlaylist.Id);

                PlaylistAdded?.Invoke(this.PlaylistAdded, EventArgs.Empty);

                return(newPlaylist);
            }
            catch (DbEntityValidationException ex)
            {
                logger.ErrorFormat("Error adding playlist '{0}' to database due to entity validation errors", newPlaylist.Name);
                _dukeboxData.LogEntityValidationException(ex);
            }
            catch (Exception ex)
            {
                logger.Error(string.Format("Error adding playlist '{0}' to database", newPlaylist.Name), ex);
            }
            finally
            {
                _dbContextMutex.Release();
            }

            return(null);
        }