public async Task<PlaylistCreationResult> CreatePlaylist(PlaylistCreationRequest options)
        {
            var name = options.Name;

            var folderName = _fileSystem.GetValidFilename(name) + " [playlist]";

            var parentFolder = GetPlaylistsFolder(null);

            if (parentFolder == null)
            {
                throw new ArgumentException();
            }

            if (string.IsNullOrWhiteSpace(options.MediaType))
            {
                foreach (var itemId in options.ItemIdList)
                {
                    var item = _libraryManager.GetItemById(itemId);

                    if (item == null)
                    {
                        throw new ArgumentException("No item exists with the supplied Id");
                    }

                    if (!string.IsNullOrWhiteSpace(item.MediaType))
                    {
                        options.MediaType = item.MediaType;
                    }
                    else if (item is MusicArtist || item is MusicAlbum || item is MusicGenre)
                    {
                        options.MediaType = MediaType.Audio;
                    }
                    else if (item is Genre)
                    {
                        options.MediaType = MediaType.Video;
                    }
                    else
                    {
                        var folder = item as Folder;
                        if (folder != null)
                        {
                            options.MediaType = folder.GetRecursiveChildren()
                                .Where(i => !i.IsFolder && i.SupportsAddingToPlaylist)
                                .Select(i => i.MediaType)
                                .FirstOrDefault(i => !string.IsNullOrWhiteSpace(i));
                        }
                    }

                    if (!string.IsNullOrWhiteSpace(options.MediaType))
                    {
                        break;
                    }
                }
            }

            if (string.IsNullOrWhiteSpace(options.MediaType))
            {
                throw new ArgumentException("A playlist media type is required.");
            }

            var user = _userManager.GetUserById(new Guid(options.UserId));

            var path = Path.Combine(parentFolder.Path, folderName);
            path = GetTargetPath(path);

            _iLibraryMonitor.ReportFileSystemChangeBeginning(path);

            try
            {
                Directory.CreateDirectory(path);

                var playlist = new Playlist
                {
                    Name = name,
                    Parent = parentFolder,
                    Path = path,
                    OwnerUserId = options.UserId
                };

                playlist.SetMediaType(options.MediaType);

                await parentFolder.AddChild(playlist, CancellationToken.None).ConfigureAwait(false);

                await playlist.RefreshMetadata(new MetadataRefreshOptions { ForceSave = true }, CancellationToken.None)
                    .ConfigureAwait(false);

                if (options.ItemIdList.Count > 0)
                {
                    await AddToPlaylistInternal(playlist.Id.ToString("N"), options.ItemIdList, user);
                }

                return new PlaylistCreationResult
                {
                    Id = playlist.Id.ToString("N")
                };
            }
            finally
            {
                // Refresh handled internally
                _iLibraryMonitor.ReportFileSystemChangeComplete(path, false);
            }
        }
        private async Task CreateNewPlaylist(List<BaseItemDto> items)
        {
            var request = new PlaylistCreationRequest
            {
                UserId = AuthenticationService.Current.LoggedInUserId,
                MediaType = items.Any(x => x.IsAudio) ? "Audio" : "Video",
                ItemIdList = items.Select(x => x.Id).ToList(),
                Name = PlaylistName
            };

            try
            {
                SetProgressBar(AppResources.SysTrayAddingToPlaylist);

                var result = await ApiClient.CreatePlaylist(request);

                var playlist = new BaseItemDto
                {
                    Name = PlaylistName,
                    Id = result.Id,
                    MediaType = request.MediaType
                };

                Playlists.Add(playlist);

                PlaylistName = string.Empty;

                if (NavigationService.CanGoBack)
                {
                    NavigationService.GoBack();
                }
            }
            catch (HttpException ex)
            {
                Utils.HandleHttpException(ex, "CreateNewPlaylist()", NavigationService, Log);
                App.ShowMessage(AppResources.ErrorAddingToPlaylist);
            }

            SetProgressBar();
        }