< Summary - Jellyfin

Information
Class: Emby.Server.Implementations.Playlists.PlaylistManager
Assembly: Emby.Server.Implementations
File(s): /srv/git/jellyfin/Emby.Server.Implementations/Playlists/PlaylistManager.cs
Line coverage
3%
Covered lines: 11
Uncovered lines: 320
Coverable lines: 331
Total lines: 688
Line coverage: 3.3%
Branch coverage
2%
Covered branches: 4
Total branches: 146
Branch coverage: 2.7%
Method coverage

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Coverage history

Coverage history 0 25 50 75 100 1/23/2026 - 12:11:06 AM Line coverage: 9.7% (14/143) Branch coverage: 6.9% (5/72) Total lines: 6602/15/2026 - 12:13:43 AM Line coverage: 9.4% (14/148) Branch coverage: 6.9% (5/72) Total lines: 6884/19/2026 - 12:14:27 AM Line coverage: 4.2% (14/331) Branch coverage: 3.4% (5/146) Total lines: 6885/4/2026 - 12:15:16 AM Line coverage: 3.3% (11/331) Branch coverage: 2.7% (4/146) Total lines: 688 1/23/2026 - 12:11:06 AM Line coverage: 9.7% (14/143) Branch coverage: 6.9% (5/72) Total lines: 6602/15/2026 - 12:13:43 AM Line coverage: 9.4% (14/148) Branch coverage: 6.9% (5/72) Total lines: 6884/19/2026 - 12:14:27 AM Line coverage: 4.2% (14/331) Branch coverage: 3.4% (5/146) Total lines: 6885/4/2026 - 12:15:16 AM Line coverage: 3.3% (11/331) Branch coverage: 2.7% (4/146) Total lines: 688

Coverage delta

Coverage delta 6 -6

Metrics

File(s)

/srv/git/jellyfin/Emby.Server.Implementations/Playlists/PlaylistManager.cs

#LineLine coverage
 1#nullable disable
 2
 3#pragma warning disable CS1591
 4
 5using System;
 6using System.Collections.Generic;
 7using System.Globalization;
 8using System.IO;
 9using System.Linq;
 10using System.Threading;
 11using System.Threading.Tasks;
 12using Jellyfin.Data.Enums;
 13using Jellyfin.Database.Implementations.Entities;
 14using Jellyfin.Extensions;
 15using MediaBrowser.Controller.Dto;
 16using MediaBrowser.Controller.Entities;
 17using MediaBrowser.Controller.Entities.Audio;
 18using MediaBrowser.Controller.Extensions;
 19using MediaBrowser.Controller.Library;
 20using MediaBrowser.Controller.Playlists;
 21using MediaBrowser.Controller.Providers;
 22using MediaBrowser.Model.Entities;
 23using MediaBrowser.Model.IO;
 24using MediaBrowser.Model.Playlists;
 25using Microsoft.Extensions.Configuration;
 26using Microsoft.Extensions.Logging;
 27using PlaylistsNET.Content;
 28using PlaylistsNET.Models;
 29using Genre = MediaBrowser.Controller.Entities.Genre;
 30using MusicAlbum = MediaBrowser.Controller.Entities.Audio.MusicAlbum;
 31
 32namespace Emby.Server.Implementations.Playlists
 33{
 34    public class PlaylistManager : IPlaylistManager
 35    {
 36        private readonly ILibraryManager _libraryManager;
 37        private readonly IFileSystem _fileSystem;
 38        private readonly ILibraryMonitor _iLibraryMonitor;
 39        private readonly ILogger<PlaylistManager> _logger;
 40        private readonly IUserManager _userManager;
 41        private readonly IProviderManager _providerManager;
 42        private readonly IConfiguration _appConfig;
 43
 44        public PlaylistManager(
 45            ILibraryManager libraryManager,
 46            IFileSystem fileSystem,
 47            ILibraryMonitor iLibraryMonitor,
 48            ILogger<PlaylistManager> logger,
 49            IUserManager userManager,
 50            IProviderManager providerManager,
 51            IConfiguration appConfig)
 52        {
 1553            _libraryManager = libraryManager;
 1554            _fileSystem = fileSystem;
 1555            _iLibraryMonitor = iLibraryMonitor;
 1556            _logger = logger;
 1557            _userManager = userManager;
 1558            _providerManager = providerManager;
 1559            _appConfig = appConfig;
 1560        }
 61
 62        public Playlist GetPlaylistForUser(Guid playlistId, Guid userId)
 63        {
 064            return GetPlaylists(userId).Where(p => p.Id.Equals(playlistId)).FirstOrDefault();
 65        }
 66
 67        public IEnumerable<Playlist> GetPlaylists(Guid userId)
 68        {
 069            var user = _userManager.GetUserById(userId);
 070            return _libraryManager.GetItemList(new InternalItemsQuery
 071            {
 072                IncludeItemTypes = [BaseItemKind.Playlist],
 073                Recursive = true,
 074                DtoOptions = new DtoOptions(false)
 075            })
 076            .Cast<Playlist>()
 077            .Where(p => p.IsVisible(user));
 78        }
 79
 80        public async Task<PlaylistCreationResult> CreatePlaylist(PlaylistCreationRequest request)
 81        {
 082            var name = request.Name;
 083            var folderName = _fileSystem.GetValidFilename(name);
 084            var parentFolder = GetPlaylistsFolder(request.UserId);
 085            if (parentFolder is null)
 86            {
 087                throw new ArgumentException(nameof(parentFolder));
 88            }
 89
 090            if (request.MediaType is null || request.MediaType == MediaType.Unknown)
 91            {
 092                foreach (var itemId in request.ItemIdList)
 93                {
 094                    var item = _libraryManager.GetItemById(itemId) ?? throw new ArgumentException("No item exists with t
 095                    if (item.MediaType != MediaType.Unknown)
 96                    {
 097                        request.MediaType = item.MediaType;
 98                    }
 099                    else if (item is MusicArtist || item is MusicAlbum || item is MusicGenre)
 100                    {
 0101                        request.MediaType = MediaType.Audio;
 102                    }
 0103                    else if (item is Genre)
 104                    {
 0105                        request.MediaType = MediaType.Video;
 106                    }
 107                    else
 108                    {
 0109                        if (item is Folder folder)
 110                        {
 0111                            request.MediaType = folder.GetRecursiveChildren(i => !i.IsFolder && i.SupportsAddingToPlayli
 0112                                .Select(i => i.MediaType)
 0113                                .FirstOrDefault(i => i != MediaType.Unknown);
 114                        }
 115                    }
 116
 0117                    if (request.MediaType is not null && request.MediaType != MediaType.Unknown)
 118                    {
 119                        break;
 120                    }
 121                }
 122            }
 123
 0124            if (request.MediaType is null || request.MediaType == MediaType.Unknown)
 125            {
 0126                request.MediaType = MediaType.Audio;
 127            }
 128
 0129            var user = _userManager.GetUserById(request.UserId);
 0130            var path = Path.Combine(parentFolder.Path, folderName);
 0131            path = GetTargetPath(path);
 132
 0133            _iLibraryMonitor.ReportFileSystemChangeBeginning(path);
 134
 135            try
 136            {
 0137                var info = Directory.CreateDirectory(path);
 0138                var playlist = new Playlist
 0139                {
 0140                    Name = name,
 0141                    Path = path,
 0142                    OwnerUserId = request.UserId,
 0143                    Shares = request.Users ?? [],
 0144                    OpenAccess = request.Public ?? false,
 0145                    DateCreated = info.CreationTimeUtc,
 0146                    DateModified = info.LastWriteTimeUtc
 0147                };
 148
 0149                playlist.SetMediaType(request.MediaType);
 0150                parentFolder.AddChild(playlist);
 151
 0152                await playlist.RefreshMetadata(new MetadataRefreshOptions(new DirectoryService(_fileSystem)) { ForceSave
 0153                    .ConfigureAwait(false);
 154
 0155                if (request.ItemIdList.Count > 0)
 156                {
 0157                    await AddToPlaylistInternal(playlist.Id, request.ItemIdList, user, new DtoOptions(false)
 0158                    {
 0159                        EnableImages = true
 0160                    }).ConfigureAwait(false);
 161                }
 162
 0163                return new PlaylistCreationResult(playlist.Id.ToString("N", CultureInfo.InvariantCulture));
 164            }
 165            finally
 166            {
 167                // Refresh handled internally
 0168                _iLibraryMonitor.ReportFileSystemChangeComplete(path, false);
 169            }
 0170        }
 171
 172        private List<Playlist> GetUserPlaylists(Guid userId)
 173        {
 0174            var user = _userManager.GetUserById(userId);
 0175            var playlistsFolder = GetPlaylistsFolder(userId);
 0176            if (playlistsFolder is null)
 177            {
 0178                return [];
 179            }
 180
 0181            return playlistsFolder.GetChildren(user, true).OfType<Playlist>().ToList();
 182        }
 183
 184        private static string GetTargetPath(string path)
 185        {
 0186            while (Directory.Exists(path))
 187            {
 0188                path += "1";
 189            }
 190
 0191            return path;
 192        }
 193
 194        private IReadOnlyList<BaseItem> GetPlaylistItems(IEnumerable<Guid> itemIds, User user, DtoOptions options)
 195        {
 0196            var items = itemIds.Select(_libraryManager.GetItemById).Where(i => i is not null);
 197
 0198            return Playlist.GetPlaylistItems(items, user, options);
 199        }
 200
 201        public Task AddItemToPlaylistAsync(Guid playlistId, IReadOnlyCollection<Guid> itemIds, int? position, Guid userI
 202        {
 0203            var user = userId.IsEmpty() ? null : _userManager.GetUserById(userId);
 204
 0205            return AddToPlaylistInternal(
 0206                playlistId,
 0207                itemIds,
 0208                user,
 0209                new DtoOptions(false)
 0210                {
 0211                    EnableImages = true
 0212                },
 0213                position);
 214        }
 215
 216        private async Task AddToPlaylistInternal(Guid playlistId, IReadOnlyCollection<Guid> newItemIds, User user, DtoOp
 217        {
 218            // Retrieve the existing playlist
 0219            var playlist = _libraryManager.GetItemById(playlistId) as Playlist
 0220                ?? throw new ArgumentException("No Playlist exists with Id " + playlistId);
 221
 222            // Retrieve all the items to be added to the playlist
 0223            var newItems = GetPlaylistItems(newItemIds, user, options)
 0224                .Where(i => i.SupportsAddingToPlaylist);
 225
 226            // Filter out duplicate items
 0227            var existingIds = playlist.LinkedChildren.Select(c => c.ItemId).ToHashSet();
 0228            newItems = newItems
 0229                .Where(i => !existingIds.Contains(i.Id))
 0230                .Distinct();
 231
 232            // Create a list of the new linked children to add to the playlist
 0233            var childrenToAdd = newItems
 0234                .Select(LinkedChild.Create)
 0235                .ToList();
 236
 237            // Log duplicates that have been ignored, if any
 0238            int numDuplicates = newItemIds.Count - childrenToAdd.Count;
 0239            if (numDuplicates > 0)
 240            {
 0241                _logger.LogWarning("Ignored adding {DuplicateCount} duplicate items to playlist {PlaylistName}.", numDup
 242            }
 243
 244            // Do nothing else if there are no items to add to the playlist
 0245            if (childrenToAdd.Count == 0)
 246            {
 0247                return;
 248            }
 249
 250            // Update the playlist in the repository
 0251            if (position.HasValue)
 252            {
 0253                if (position.Value <= 0)
 254                {
 0255                    playlist.LinkedChildren = [.. childrenToAdd, .. playlist.LinkedChildren];
 256                }
 0257                else if (position.Value >= playlist.LinkedChildren.Length)
 258                {
 0259                    playlist.LinkedChildren = [.. playlist.LinkedChildren, .. childrenToAdd];
 260                }
 261                else
 262                {
 0263                    playlist.LinkedChildren = [
 0264                        .. playlist.LinkedChildren[0..position.Value],
 0265                        .. childrenToAdd,
 0266                        .. playlist.LinkedChildren[position.Value..playlist.LinkedChildren.Length]
 0267                    ];
 268                }
 269            }
 270            else
 271            {
 0272                playlist.LinkedChildren = [.. playlist.LinkedChildren, .. childrenToAdd];
 273            }
 274
 0275            playlist.DateLastMediaAdded = DateTime.UtcNow;
 276
 0277            await UpdatePlaylistInternal(playlist).ConfigureAwait(false);
 278
 279            // Refresh playlist metadata
 0280            _providerManager.QueueRefresh(
 0281                playlist.Id,
 0282                new MetadataRefreshOptions(new DirectoryService(_fileSystem))
 0283                {
 0284                    ForceSave = true
 0285                },
 0286                RefreshPriority.High);
 0287        }
 288
 289        public async Task RemoveItemFromPlaylistAsync(string playlistId, IEnumerable<string> entryIds)
 290        {
 0291            if (_libraryManager.GetItemById(playlistId) is not Playlist playlist)
 292            {
 0293                throw new ArgumentException("No Playlist exists with the supplied Id");
 294            }
 295
 0296            var children = playlist.GetManageableItems().ToList();
 297
 0298            var idList = entryIds.ToList();
 299
 0300            var removals = children.Where(i => idList.Contains(i.Item1.ItemId?.ToString("N", CultureInfo.InvariantCultur
 301
 0302            playlist.LinkedChildren = children.Except(removals)
 0303                .Select(i => i.Item1)
 0304                .ToArray();
 305
 0306            await UpdatePlaylistInternal(playlist).ConfigureAwait(false);
 307
 0308            _providerManager.QueueRefresh(
 0309                playlist.Id,
 0310                new MetadataRefreshOptions(new DirectoryService(_fileSystem))
 0311                {
 0312                    ForceSave = true
 0313                },
 0314                RefreshPriority.High);
 0315        }
 316
 317        internal static int DetermineAdjustedIndex(int newPriorIndexAllChildren, int newIndex)
 318        {
 3319            if (newIndex == 0)
 320            {
 2321                return newPriorIndexAllChildren > 0 ? newPriorIndexAllChildren - 1 : 0;
 322            }
 323
 1324            return newPriorIndexAllChildren + 1;
 325        }
 326
 327        public async Task MoveItemAsync(string playlistId, string entryId, int newIndex, Guid callingUserId)
 328        {
 0329            if (_libraryManager.GetItemById(playlistId) is not Playlist playlist)
 330            {
 0331                throw new ArgumentException("No Playlist exists with the supplied Id");
 332            }
 333
 0334            var user = _userManager.GetUserById(callingUserId);
 0335            var children = playlist.GetManageableItems().ToList();
 0336            var accessibleChildren = children.Where(c => c.Item2.IsVisible(user)).ToArray();
 337
 0338            var oldIndexAll = children.FindIndex(i => string.Equals(entryId, i.Item1.ItemId?.ToString("N", CultureInfo.I
 0339            var oldIndexAccessible = accessibleChildren.FindIndex(i => string.Equals(entryId, i.Item1.ItemId?.ToString("
 340
 0341            if (oldIndexAccessible == newIndex)
 342            {
 0343                return;
 344            }
 345
 0346            var newPriorItemIndex = Math.Max(newIndex - 1, 0);
 0347            var newPriorItemId = accessibleChildren[newPriorItemIndex].Item1.ItemId;
 0348            var newPriorItemIndexOnAllChildren = children.FindIndex(c => c.Item1.ItemId.Equals(newPriorItemId));
 0349            var adjustedNewIndex = DetermineAdjustedIndex(newPriorItemIndexOnAllChildren, newIndex);
 350
 0351            var item = playlist.LinkedChildren.FirstOrDefault(i => string.Equals(entryId, i.ItemId?.ToString("N", Cultur
 0352            if (item is null)
 353            {
 0354                _logger.LogWarning("Modified item not found in playlist. ItemId: {ItemId}, PlaylistId: {PlaylistId}", en
 355
 0356                return;
 357            }
 358
 0359            var newList = playlist.LinkedChildren.ToList();
 0360            newList.Remove(item);
 361
 0362            if (newIndex >= newList.Count)
 363            {
 0364                newList.Add(item);
 365            }
 366            else
 367            {
 0368                newList.Insert(adjustedNewIndex, item);
 369            }
 370
 0371            playlist.LinkedChildren = [.. newList];
 372
 0373            await UpdatePlaylistInternal(playlist).ConfigureAwait(false);
 0374        }
 375
 376        /// <inheritdoc />
 377        public void SavePlaylistFile(Playlist item)
 378        {
 379            // this is probably best done as a metadata provider
 380            // saving a file over itself will require some work to prevent this from happening when not needed
 0381            var playlistPath = item.Path;
 0382            var extension = Path.GetExtension(playlistPath.AsSpan());
 383
 0384            if (extension.Equals(".wpl", StringComparison.OrdinalIgnoreCase))
 385            {
 0386                var playlist = new WplPlaylist();
 0387                foreach (var child in item.GetLinkedChildren())
 388                {
 0389                    var entry = new WplPlaylistEntry()
 0390                    {
 0391                        Path = NormalizeItemPath(playlistPath, child.Path),
 0392                        TrackTitle = child.Name,
 0393                        AlbumTitle = child.Album
 0394                    };
 395
 0396                    if (child is IHasAlbumArtist hasAlbumArtist)
 397                    {
 0398                        entry.AlbumArtist = hasAlbumArtist.AlbumArtists.Count > 0 ? hasAlbumArtist.AlbumArtists[0] : nul
 399                    }
 400
 0401                    if (child is IHasArtist hasArtist)
 402                    {
 0403                        entry.TrackArtist = hasArtist.Artists.Count > 0 ? hasArtist.Artists[0] : null;
 404                    }
 405
 0406                    if (child.RunTimeTicks.HasValue)
 407                    {
 0408                        entry.Duration = TimeSpan.FromTicks(child.RunTimeTicks.Value);
 409                    }
 410
 0411                    playlist.PlaylistEntries.Add(entry);
 412                }
 413
 0414                string text = new WplContent().ToText(playlist);
 0415                File.WriteAllText(playlistPath, text);
 416            }
 0417            else if (extension.Equals(".zpl", StringComparison.OrdinalIgnoreCase))
 418            {
 0419                var playlist = new ZplPlaylist();
 0420                foreach (var child in item.GetLinkedChildren())
 421                {
 0422                    var entry = new ZplPlaylistEntry()
 0423                    {
 0424                        Path = NormalizeItemPath(playlistPath, child.Path),
 0425                        TrackTitle = child.Name,
 0426                        AlbumTitle = child.Album
 0427                    };
 428
 0429                    if (child is IHasAlbumArtist hasAlbumArtist)
 430                    {
 0431                        entry.AlbumArtist = hasAlbumArtist.AlbumArtists.Count > 0 ? hasAlbumArtist.AlbumArtists[0] : nul
 432                    }
 433
 0434                    if (child is IHasArtist hasArtist)
 435                    {
 0436                        entry.TrackArtist = hasArtist.Artists.Count > 0 ? hasArtist.Artists[0] : null;
 437                    }
 438
 0439                    if (child.RunTimeTicks.HasValue)
 440                    {
 0441                        entry.Duration = TimeSpan.FromTicks(child.RunTimeTicks.Value);
 442                    }
 443
 0444                    playlist.PlaylistEntries.Add(entry);
 445                }
 446
 0447                string text = new ZplContent().ToText(playlist);
 0448                File.WriteAllText(playlistPath, text);
 449            }
 0450            else if (extension.Equals(".m3u", StringComparison.OrdinalIgnoreCase))
 451            {
 0452                var playlist = new M3uPlaylist
 0453                {
 0454                    IsExtended = true
 0455                };
 0456                foreach (var child in item.GetLinkedChildren())
 457                {
 0458                    var entry = new M3uPlaylistEntry()
 0459                    {
 0460                        Path = NormalizeItemPath(playlistPath, child.Path),
 0461                        Title = child.Name,
 0462                        Album = child.Album
 0463                    };
 464
 0465                    if (child is IHasAlbumArtist hasAlbumArtist)
 466                    {
 0467                        entry.AlbumArtist = hasAlbumArtist.AlbumArtists.Count > 0 ? hasAlbumArtist.AlbumArtists[0] : nul
 468                    }
 469
 0470                    if (child.RunTimeTicks.HasValue)
 471                    {
 0472                        entry.Duration = TimeSpan.FromTicks(child.RunTimeTicks.Value);
 473                    }
 474
 0475                    playlist.PlaylistEntries.Add(entry);
 476                }
 477
 0478                string text = new M3uContent().ToText(playlist);
 0479                File.WriteAllText(playlistPath, text);
 480            }
 0481            else if (extension.Equals(".m3u8", StringComparison.OrdinalIgnoreCase))
 482            {
 0483                var playlist = new M3uPlaylist
 0484                {
 0485                    IsExtended = true
 0486                };
 487
 0488                foreach (var child in item.GetLinkedChildren())
 489                {
 0490                    var entry = new M3uPlaylistEntry()
 0491                    {
 0492                        Path = NormalizeItemPath(playlistPath, child.Path),
 0493                        Title = child.Name,
 0494                        Album = child.Album
 0495                    };
 496
 0497                    if (child is IHasAlbumArtist hasAlbumArtist)
 498                    {
 0499                        entry.AlbumArtist = hasAlbumArtist.AlbumArtists.Count > 0 ? hasAlbumArtist.AlbumArtists[0] : nul
 500                    }
 501
 0502                    if (child.RunTimeTicks.HasValue)
 503                    {
 0504                        entry.Duration = TimeSpan.FromTicks(child.RunTimeTicks.Value);
 505                    }
 506
 0507                    playlist.PlaylistEntries.Add(entry);
 508                }
 509
 0510                string text = new M3uContent().ToText(playlist);
 0511                File.WriteAllText(playlistPath, text);
 512            }
 0513            else if (extension.Equals(".pls", StringComparison.OrdinalIgnoreCase))
 514            {
 0515                var playlist = new PlsPlaylist();
 0516                foreach (var child in item.GetLinkedChildren())
 517                {
 0518                    var entry = new PlsPlaylistEntry()
 0519                    {
 0520                        Path = NormalizeItemPath(playlistPath, child.Path),
 0521                        Title = child.Name
 0522                    };
 523
 0524                    if (child.RunTimeTicks.HasValue)
 525                    {
 0526                        entry.Length = TimeSpan.FromTicks(child.RunTimeTicks.Value);
 527                    }
 528
 0529                    playlist.PlaylistEntries.Add(entry);
 530                }
 531
 0532                string text = new PlsContent().ToText(playlist);
 0533                File.WriteAllText(playlistPath, text);
 534            }
 0535        }
 536
 537        private static string NormalizeItemPath(string playlistPath, string itemPath)
 538        {
 0539            return MakeRelativePath(Path.GetDirectoryName(playlistPath), itemPath);
 540        }
 541
 542        private static string MakeRelativePath(string folderPath, string fileAbsolutePath)
 543        {
 0544            ArgumentException.ThrowIfNullOrEmpty(folderPath);
 0545            ArgumentException.ThrowIfNullOrEmpty(fileAbsolutePath);
 546
 0547            if (!folderPath.EndsWith(Path.DirectorySeparatorChar))
 548            {
 0549                folderPath += Path.DirectorySeparatorChar;
 550            }
 551
 0552            var folderUri = new Uri(folderPath);
 0553            var fileAbsoluteUri = new Uri(fileAbsolutePath);
 554
 555            // path can't be made relative
 0556            if (folderUri.Scheme != fileAbsoluteUri.Scheme)
 557            {
 0558                return fileAbsolutePath;
 559            }
 560
 0561            var relativeUri = folderUri.MakeRelativeUri(fileAbsoluteUri);
 0562            string relativePath = Uri.UnescapeDataString(relativeUri.ToString());
 563
 0564            if (fileAbsoluteUri.Scheme.Equals("file", StringComparison.OrdinalIgnoreCase))
 565            {
 0566                relativePath = relativePath.Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar);
 567            }
 568
 0569            return relativePath;
 570        }
 571
 572        /// <inheritdoc />
 573        public Folder GetPlaylistsFolder()
 574        {
 0575            return GetPlaylistsFolder(Guid.Empty);
 576        }
 577
 578        /// <inheritdoc />
 579        public Folder GetPlaylistsFolder(Guid userId)
 580        {
 581            const string TypeName = "PlaylistsFolder";
 582
 0583            return _libraryManager.RootFolder.Children.OfType<Folder>().FirstOrDefault(i => string.Equals(i.GetType().Na
 0584                _libraryManager.GetUserRootFolder().Children.OfType<Folder>().FirstOrDefault(i => string.Equals(i.GetTyp
 585        }
 586
 587        /// <inheritdoc />
 588        public async Task RemovePlaylistsAsync(Guid userId)
 589        {
 0590            var playlists = GetUserPlaylists(userId);
 0591            foreach (var playlist in playlists)
 592            {
 593                // Update owner if shared
 0594                var rankedShares = playlist.Shares.OrderByDescending(x => x.CanEdit).ToList();
 0595                if (rankedShares.Count > 0)
 596                {
 0597                    playlist.OwnerUserId = rankedShares[0].UserId;
 0598                    playlist.Shares = rankedShares.Skip(1).ToArray();
 0599                    await UpdatePlaylistInternal(playlist).ConfigureAwait(false);
 600                }
 0601                else if (!playlist.OpenAccess)
 602                {
 603                    // Remove playlist if not shared
 0604                    _libraryManager.DeleteItem(
 0605                        playlist,
 0606                        new DeleteOptions
 0607                        {
 0608                            DeleteFileLocation = false,
 0609                            DeleteFromExternalProvider = false
 0610                        },
 0611                        playlist.GetParent(),
 0612                        false);
 613                }
 614            }
 0615        }
 616
 617        public async Task UpdatePlaylist(PlaylistUpdateRequest request)
 618        {
 0619            var playlist = GetPlaylistForUser(request.Id, request.UserId);
 620
 0621            if (request.Ids is not null)
 622            {
 0623                playlist.LinkedChildren = [];
 0624                await UpdatePlaylistInternal(playlist).ConfigureAwait(false);
 625
 0626                var user = _userManager.GetUserById(request.UserId);
 0627                await AddToPlaylistInternal(request.Id, request.Ids, user, new DtoOptions(false)
 0628                {
 0629                    EnableImages = true
 0630                }).ConfigureAwait(false);
 631
 0632                playlist = GetPlaylistForUser(request.Id, request.UserId);
 633            }
 634
 0635            if (request.Name is not null)
 636            {
 0637                playlist.Name = request.Name;
 638            }
 639
 0640            if (request.Users is not null)
 641            {
 0642                playlist.Shares = request.Users;
 643            }
 644
 0645            if (request.Public is not null)
 646            {
 0647                playlist.OpenAccess = request.Public.Value;
 648            }
 649
 0650            await UpdatePlaylistInternal(playlist).ConfigureAwait(false);
 0651        }
 652
 653        public async Task AddUserToShares(PlaylistUserUpdateRequest request)
 654        {
 0655            var userId = request.UserId;
 0656            var playlist = GetPlaylistForUser(request.Id, userId);
 0657            var shares = playlist.Shares.ToList();
 0658            var existingUserShare = shares.FirstOrDefault(s => s.UserId.Equals(userId));
 0659            if (existingUserShare is not null)
 660            {
 0661                shares.Remove(existingUserShare);
 662            }
 663
 0664            shares.Add(new PlaylistUserPermissions(userId, request.CanEdit ?? false));
 0665            playlist.Shares = shares;
 0666            await UpdatePlaylistInternal(playlist).ConfigureAwait(false);
 0667        }
 668
 669        public async Task RemoveUserFromShares(Guid playlistId, Guid userId, PlaylistUserPermissions share)
 670        {
 0671            var playlist = GetPlaylistForUser(playlistId, userId);
 0672            var shares = playlist.Shares.ToList();
 0673            shares.Remove(share);
 0674            playlist.Shares = shares;
 0675            await UpdatePlaylistInternal(playlist).ConfigureAwait(false);
 0676        }
 677
 678        private async Task UpdatePlaylistInternal(Playlist playlist)
 679        {
 0680            await playlist.UpdateToRepositoryAsync(ItemUpdateType.MetadataEdit, CancellationToken.None).ConfigureAwait(f
 681
 0682            if (playlist.IsFile)
 683            {
 0684                SavePlaylistFile(playlist);
 685            }
 0686        }
 687    }
 688}