1 files changed, 204 insertions, 0 deletions
diff --git a/MediaBrowser.Server.Implementations/Playlists/PlaylistManager.cs b/MediaBrowser.Server.Implementations/Playlists/PlaylistManager.cs
new file mode 100644
index 000000000..79b673283
--- /dev/null
+++ b/MediaBrowser.Server.Implementations/Playlists/PlaylistManager.cs
@@ -0,0 +1,204 @@
+using MediaBrowser.Common.IO;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Entities.Audio;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Playlists;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Logging;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.Server.Implementations.Playlists
+{
+    public class PlaylistManager : IPlaylistManager
+    {
+        private readonly ILibraryManager _libraryManager;
+        private readonly IFileSystem _fileSystem;
+        private readonly ILibraryMonitor _iLibraryMonitor;
+        private readonly ILogger _logger;
+        private readonly IUserManager _userManager;
+
+        public PlaylistManager(ILibraryManager libraryManager, IFileSystem fileSystem, ILibraryMonitor iLibraryMonitor, ILogger logger, IUserManager userManager)
+        {
+            _libraryManager = libraryManager;
+            _fileSystem = fileSystem;
+            _iLibraryMonitor = iLibraryMonitor;
+            _logger = logger;
+            _userManager = userManager;
+        }
+
+        public IEnumerable<Playlist> GetPlaylists(string userId)
+        {
+            var user = _userManager.GetUserById(new Guid(userId));
+
+            return GetPlaylistsFolder(userId).GetChildren(user, true).OfType<Playlist>();
+        }
+
+        public async Task<Playlist> CreatePlaylist(PlaylistCreationOptions 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)
+                                .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 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 AddToPlaylist(playlist.Id.ToString("N"), options.ItemIdList);
+                }
+
+                return playlist;
+            }
+            finally
+            {
+                // Refresh handled internally
+                _iLibraryMonitor.ReportFileSystemChangeComplete(path, false);
+            }
+        }
+
+        private string GetTargetPath(string path)
+        {
+            while (Directory.Exists(path))
+            {
+                path += "1";
+            }
+
+            return path;
+        }
+
+        private IEnumerable<BaseItem> GetPlaylistItems(IEnumerable<string> itemIds, string playlistMediaType, User user)
+        {
+            var items = itemIds.Select(i => _libraryManager.GetItemById(i)).Where(i => i != null);
+
+            return Playlist.GetPlaylistItems(playlistMediaType, items, user);
+        }
+
+        public async Task AddToPlaylist(string playlistId, IEnumerable<string> itemIds)
+        {
+            var playlist = _libraryManager.GetItemById(playlistId) as Playlist;
+
+            if (playlist == null)
+            {
+                throw new ArgumentException("No Playlist exists with the supplied Id");
+            }
+
+            var list = new List<LinkedChild>();
+            var itemList = new List<BaseItem>();
+
+            foreach (var itemId in itemIds)
+            {
+                var item = _libraryManager.GetItemById(itemId);
+
+                if (item == null)
+                {
+                    throw new ArgumentException("No item exists with the supplied Id");
+                }
+
+                itemList.Add(item);
+
+                list.Add(LinkedChild.Create(item));
+            }
+
+            playlist.LinkedChildren.AddRange(list);
+
+            await playlist.UpdateToRepository(ItemUpdateType.MetadataEdit, CancellationToken.None).ConfigureAwait(false);
+            await playlist.RefreshMetadata(new MetadataRefreshOptions{
+            
+                ForceSave = true
+
+            }, CancellationToken.None).ConfigureAwait(false);
+        }
+
+        public Task RemoveFromPlaylist(string playlistId, IEnumerable<int> indeces)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Folder GetPlaylistsFolder(string userId)
+        {
+            return _libraryManager.RootFolder.Children.OfType<PlaylistsFolder>()
+                .FirstOrDefault();
+        }
+    }
+}