From a86b71899ec52c44ddc6c3018e8cc5e9d7ff4d62 Mon Sep 17 00:00:00 2001
From: Andrew Rabert <ar@nullsum.net>
Date: Thu, 27 Dec 2018 18:27:57 -0500
Subject: Add GPL modules

---
 MediaBrowser.Controller/Library/DeleteOptions.cs   |  14 +
 MediaBrowser.Controller/Library/IIntroProvider.cs  |  32 ++
 MediaBrowser.Controller/Library/ILibraryManager.cs | 550 +++++++++++++++++++++
 MediaBrowser.Controller/Library/ILibraryMonitor.cs |  43 ++
 .../Library/ILibraryPostScanTask.cs                |  20 +
 MediaBrowser.Controller/Library/ILiveStream.cs     |  21 +
 .../Library/IMediaSourceManager.cs                 | 100 ++++
 .../Library/IMediaSourceProvider.cs                |  25 +
 .../Library/IMetadataFileSaver.cs                  |  19 +
 MediaBrowser.Controller/Library/IMetadataSaver.cs  |  33 ++
 MediaBrowser.Controller/Library/IMusicManager.cs   |  25 +
 MediaBrowser.Controller/Library/ISearchEngine.cs   |  18 +
 .../Library/IUserDataManager.cs                    |  67 +++
 MediaBrowser.Controller/Library/IUserManager.cs    | 207 ++++++++
 .../Library/IUserViewManager.cs                    |  19 +
 MediaBrowser.Controller/Library/IntroInfo.cs       |  19 +
 .../Library/ItemChangeEventArgs.cs                 |  24 +
 MediaBrowser.Controller/Library/ItemResolveArgs.cs | 281 +++++++++++
 MediaBrowser.Controller/Library/ItemUpdateType.cs  |  14 +
 .../Library/LibraryManagerExtensions.cs            |  13 +
 .../Library/MetadataConfigurationStore.cs          |  29 ++
 MediaBrowser.Controller/Library/NameExtensions.cs  |  26 +
 .../Library/PlaybackProgressEventArgs.cs           |  34 ++
 .../Library/PlaybackStopEventArgs.cs               |  11 +
 MediaBrowser.Controller/Library/Profiler.cs        |  76 +++
 MediaBrowser.Controller/Library/SearchHintInfo.cs  |  22 +
 MediaBrowser.Controller/Library/TVUtils.cs         |  59 +++
 .../Library/UserDataSaveEventArgs.cs               |  39 ++
 28 files changed, 1840 insertions(+)
 create mode 100644 MediaBrowser.Controller/Library/DeleteOptions.cs
 create mode 100644 MediaBrowser.Controller/Library/IIntroProvider.cs
 create mode 100644 MediaBrowser.Controller/Library/ILibraryManager.cs
 create mode 100644 MediaBrowser.Controller/Library/ILibraryMonitor.cs
 create mode 100644 MediaBrowser.Controller/Library/ILibraryPostScanTask.cs
 create mode 100644 MediaBrowser.Controller/Library/ILiveStream.cs
 create mode 100644 MediaBrowser.Controller/Library/IMediaSourceManager.cs
 create mode 100644 MediaBrowser.Controller/Library/IMediaSourceProvider.cs
 create mode 100644 MediaBrowser.Controller/Library/IMetadataFileSaver.cs
 create mode 100644 MediaBrowser.Controller/Library/IMetadataSaver.cs
 create mode 100644 MediaBrowser.Controller/Library/IMusicManager.cs
 create mode 100644 MediaBrowser.Controller/Library/ISearchEngine.cs
 create mode 100644 MediaBrowser.Controller/Library/IUserDataManager.cs
 create mode 100644 MediaBrowser.Controller/Library/IUserManager.cs
 create mode 100644 MediaBrowser.Controller/Library/IUserViewManager.cs
 create mode 100644 MediaBrowser.Controller/Library/IntroInfo.cs
 create mode 100644 MediaBrowser.Controller/Library/ItemChangeEventArgs.cs
 create mode 100644 MediaBrowser.Controller/Library/ItemResolveArgs.cs
 create mode 100644 MediaBrowser.Controller/Library/ItemUpdateType.cs
 create mode 100644 MediaBrowser.Controller/Library/LibraryManagerExtensions.cs
 create mode 100644 MediaBrowser.Controller/Library/MetadataConfigurationStore.cs
 create mode 100644 MediaBrowser.Controller/Library/NameExtensions.cs
 create mode 100644 MediaBrowser.Controller/Library/PlaybackProgressEventArgs.cs
 create mode 100644 MediaBrowser.Controller/Library/PlaybackStopEventArgs.cs
 create mode 100644 MediaBrowser.Controller/Library/Profiler.cs
 create mode 100644 MediaBrowser.Controller/Library/SearchHintInfo.cs
 create mode 100644 MediaBrowser.Controller/Library/TVUtils.cs
 create mode 100644 MediaBrowser.Controller/Library/UserDataSaveEventArgs.cs

(limited to 'MediaBrowser.Controller/Library')

diff --git a/MediaBrowser.Controller/Library/DeleteOptions.cs b/MediaBrowser.Controller/Library/DeleteOptions.cs
new file mode 100644
index 000000000..822fc3dc3
--- /dev/null
+++ b/MediaBrowser.Controller/Library/DeleteOptions.cs
@@ -0,0 +1,14 @@
+
+namespace MediaBrowser.Controller.Library
+{
+    public class DeleteOptions
+    {
+        public bool DeleteFileLocation { get; set; }
+        public bool DeleteFromExternalProvider { get; set; }
+
+        public DeleteOptions()
+        {
+            DeleteFromExternalProvider = true;
+        }
+    }
+}
diff --git a/MediaBrowser.Controller/Library/IIntroProvider.cs b/MediaBrowser.Controller/Library/IIntroProvider.cs
new file mode 100644
index 000000000..611aab387
--- /dev/null
+++ b/MediaBrowser.Controller/Library/IIntroProvider.cs
@@ -0,0 +1,32 @@
+using MediaBrowser.Controller.Entities;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.Controller.Library
+{
+    /// <summary>
+    /// Class BaseIntroProvider
+    /// </summary>
+    public interface IIntroProvider
+    {
+        /// <summary>
+        /// Gets the intros.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <param name="user">The user.</param>
+        /// <returns>IEnumerable{System.String}.</returns>
+        Task<IEnumerable<IntroInfo>> GetIntros(BaseItem item, User user);
+
+        /// <summary>
+        /// Gets all intro files.
+        /// </summary>
+        /// <returns>IEnumerable{System.String}.</returns>
+        IEnumerable<string> GetAllIntroFiles();
+
+        /// <summary>
+        /// Gets the name.
+        /// </summary>
+        /// <value>The name.</value>
+        string Name { get; }
+    }
+}
diff --git a/MediaBrowser.Controller/Library/ILibraryManager.cs b/MediaBrowser.Controller/Library/ILibraryManager.cs
new file mode 100644
index 000000000..d572716fa
--- /dev/null
+++ b/MediaBrowser.Controller/Library/ILibraryManager.cs
@@ -0,0 +1,550 @@
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Entities.Audio;
+using MediaBrowser.Controller.Entities.TV;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Controller.Resolvers;
+using MediaBrowser.Controller.Sorting;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Querying;
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+
+using MediaBrowser.Controller.Configuration;
+using MediaBrowser.Controller.Dto;
+using MediaBrowser.Controller.IO;
+using MediaBrowser.Model.Configuration;
+using MediaBrowser.Model.Dto;
+using MediaBrowser.Model.IO;
+
+namespace MediaBrowser.Controller.Library
+{
+    /// <summary>
+    /// Interface ILibraryManager
+    /// </summary>
+    public interface ILibraryManager
+    {
+        /// <summary>
+        /// Resolves the path.
+        /// </summary>
+        /// <param name="fileInfo">The file information.</param>
+        /// <param name="parent">The parent.</param>
+        /// <returns>BaseItem.</returns>
+        BaseItem ResolvePath(FileSystemMetadata fileInfo,
+            Folder parent = null);
+
+        /// <summary>
+        /// Resolves a set of files into a list of BaseItem
+        /// </summary>
+        IEnumerable<BaseItem> ResolvePaths(IEnumerable<FileSystemMetadata> files,
+            IDirectoryService directoryService,
+            Folder parent,
+            LibraryOptions libraryOptions,
+            string collectionType = null);
+
+        /// <summary>
+        /// Gets the root folder.
+        /// </summary>
+        /// <value>The root folder.</value>
+        AggregateFolder RootFolder { get; }
+
+        /// <summary>
+        /// Gets a Person
+        /// </summary>
+        /// <param name="name">The name.</param>
+        /// <returns>Task{Person}.</returns>
+        Person GetPerson(string name);
+
+        /// <summary>
+        /// Finds the by path.
+        /// </summary>
+        /// <param name="path">The path.</param>
+        /// <returns>BaseItem.</returns>
+        BaseItem FindByPath(string path, bool? isFolder);
+
+        /// <summary>
+        /// Gets the artist.
+        /// </summary>
+        /// <param name="name">The name.</param>
+        /// <returns>Task{Artist}.</returns>
+        MusicArtist GetArtist(string name);
+        MusicArtist GetArtist(string name, DtoOptions options);
+        /// <summary>
+        /// Gets a Studio
+        /// </summary>
+        /// <param name="name">The name.</param>
+        /// <returns>Task{Studio}.</returns>
+        Studio GetStudio(string name);
+
+        /// <summary>
+        /// Gets a Genre
+        /// </summary>
+        /// <param name="name">The name.</param>
+        /// <returns>Task{Genre}.</returns>
+        Genre GetGenre(string name);
+
+        /// <summary>
+        /// Gets the genre.
+        /// </summary>
+        /// <param name="name">The name.</param>
+        /// <returns>Task{MusicGenre}.</returns>
+        MusicGenre GetMusicGenre(string name);
+
+        /// <summary>
+        /// Gets the game genre.
+        /// </summary>
+        /// <param name="name">The name.</param>
+        /// <returns>Task{GameGenre}.</returns>
+        GameGenre GetGameGenre(string name);
+
+        /// <summary>
+        /// Gets a Year
+        /// </summary>
+        /// <param name="value">The value.</param>
+        /// <returns>Task{Year}.</returns>
+        /// <exception cref="System.ArgumentOutOfRangeException"></exception>
+        Year GetYear(int value);
+
+        /// <summary>
+        /// Validate and refresh the People sub-set of the IBN.
+        /// The items are stored in the db but not loaded into memory until actually requested by an operation.
+        /// </summary>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <param name="progress">The progress.</param>
+        /// <returns>Task.</returns>
+        Task ValidatePeople(CancellationToken cancellationToken, IProgress<double> progress);
+
+        /// <summary>
+        /// Reloads the root media folder
+        /// </summary>
+        /// <param name="progress">The progress.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task.</returns>
+        Task ValidateMediaLibrary(IProgress<double> progress, CancellationToken cancellationToken);
+
+        /// <summary>
+        /// Queues the library scan.
+        /// </summary>
+        void QueueLibraryScan();
+
+        void UpdateImages(BaseItem item);
+
+        /// <summary>
+        /// Gets the default view.
+        /// </summary>
+        /// <returns>IEnumerable{VirtualFolderInfo}.</returns>
+        List<VirtualFolderInfo> GetVirtualFolders();
+
+        List<VirtualFolderInfo> GetVirtualFolders(bool includeRefreshState);
+
+        /// <summary>
+        /// Gets the item by id.
+        /// </summary>
+        /// <param name="id">The id.</param>
+        /// <returns>BaseItem.</returns>
+        BaseItem GetItemById(Guid id);
+
+        /// <summary>
+        /// Gets the intros.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <param name="user">The user.</param>
+        /// <returns>IEnumerable{System.String}.</returns>
+        Task<IEnumerable<Video>> GetIntros(BaseItem item, User user);
+
+        /// <summary>
+        /// Gets all intro files.
+        /// </summary>
+        /// <returns>IEnumerable{System.String}.</returns>
+        IEnumerable<string> GetAllIntroFiles();
+
+        /// <summary>
+        /// Adds the parts.
+        /// </summary>
+        /// <param name="rules">The rules.</param>
+        /// <param name="pluginFolders">The plugin folders.</param>
+        /// <param name="resolvers">The resolvers.</param>
+        /// <param name="introProviders">The intro providers.</param>
+        /// <param name="itemComparers">The item comparers.</param>
+        /// <param name="postscanTasks">The postscan tasks.</param>
+        void AddParts(IEnumerable<IResolverIgnoreRule> rules,
+            IEnumerable<IItemResolver> resolvers,
+            IEnumerable<IIntroProvider> introProviders,
+            IEnumerable<IBaseItemComparer> itemComparers,
+            IEnumerable<ILibraryPostScanTask> postscanTasks);
+
+        /// <summary>
+        /// Sorts the specified items.
+        /// </summary>
+        /// <param name="items">The items.</param>
+        /// <param name="user">The user.</param>
+        /// <param name="sortBy">The sort by.</param>
+        /// <param name="sortOrder">The sort order.</param>
+        /// <returns>IEnumerable{BaseItem}.</returns>
+        IEnumerable<BaseItem> Sort(IEnumerable<BaseItem> items, User user, IEnumerable<string> sortBy, SortOrder sortOrder);
+        IEnumerable<BaseItem> Sort(IEnumerable<BaseItem> items, User user, IEnumerable<ValueTuple<string, SortOrder>> orderBy);
+
+        /// <summary>
+        /// Gets the user root folder.
+        /// </summary>
+        /// <returns>UserRootFolder.</returns>
+        Folder GetUserRootFolder();
+
+        /// <summary>
+        /// Creates the item.
+        /// </summary>
+        void CreateItem(BaseItem item, BaseItem parent);
+
+        /// <summary>
+        /// Creates the items.
+        /// </summary>
+        void CreateItems(IEnumerable<BaseItem> items, BaseItem parent, CancellationToken cancellationToken);
+
+        /// <summary>
+        /// Updates the item.
+        /// </summary>
+        void UpdateItems(List<BaseItem> items, BaseItem parent, ItemUpdateType updateReason, CancellationToken cancellationToken);
+        void UpdateItem(BaseItem item, BaseItem parent, ItemUpdateType updateReason, CancellationToken cancellationToken);
+
+        /// <summary>
+        /// Retrieves the item.
+        /// </summary>
+        /// <param name="id">The id.</param>
+        /// <returns>BaseItem.</returns>
+        BaseItem RetrieveItem(Guid id);
+
+        bool IsScanRunning { get; }
+
+        /// <summary>
+        /// Occurs when [item added].
+        /// </summary>
+        event EventHandler<ItemChangeEventArgs> ItemAdded;
+
+        /// <summary>
+        /// Occurs when [item updated].
+        /// </summary>
+        event EventHandler<ItemChangeEventArgs> ItemUpdated;
+        /// <summary>
+        /// Occurs when [item removed].
+        /// </summary>
+        event EventHandler<ItemChangeEventArgs> ItemRemoved;
+
+        /// <summary>
+        /// Finds the type of the collection.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <returns>System.String.</returns>
+        string GetContentType(BaseItem item);
+
+        /// <summary>
+        /// Gets the type of the inherited content.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <returns>System.String.</returns>
+        string GetInheritedContentType(BaseItem item);
+
+        /// <summary>
+        /// Gets the type of the configured content.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <returns>System.String.</returns>
+        string GetConfiguredContentType(BaseItem item);
+
+        /// <summary>
+        /// Gets the type of the configured content.
+        /// </summary>
+        /// <param name="path">The path.</param>
+        /// <returns>System.String.</returns>
+        string GetConfiguredContentType(string path);
+
+        /// <summary>
+        /// Normalizes the root path list.
+        /// </summary>
+        /// <param name="paths">The paths.</param>
+        /// <returns>IEnumerable{System.String}.</returns>
+        List<FileSystemMetadata> NormalizeRootPathList(IEnumerable<FileSystemMetadata> paths);
+
+        /// <summary>
+        /// Registers the item.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        void RegisterItem(BaseItem item);
+
+        /// <summary>
+        /// Deletes the item.
+        /// </summary>
+        void DeleteItem(BaseItem item, DeleteOptions options);
+
+        /// <summary>
+        /// Deletes the item.
+        /// </summary>
+        void DeleteItem(BaseItem item, DeleteOptions options, bool notifyParentItem);
+
+        /// <summary>
+        /// Deletes the item.
+        /// </summary>
+        void DeleteItem(BaseItem item, DeleteOptions options, BaseItem parent, bool notifyParentItem);
+
+        /// <summary>
+        /// Gets the named view.
+        /// </summary>
+        /// <param name="user">The user.</param>
+        /// <param name="name">The name.</param>
+        /// <param name="parentId">The parent identifier.</param>
+        /// <param name="viewType">Type of the view.</param>
+        /// <param name="sortName">Name of the sort.</param>
+        UserView GetNamedView(User user,
+            string name,
+            Guid parentId,
+            string viewType,
+            string sortNamen);
+
+        /// <summary>
+        /// Gets the named view.
+        /// </summary>
+        /// <param name="user">The user.</param>
+        /// <param name="name">The name.</param>
+        /// <param name="viewType">Type of the view.</param>
+        /// <param name="sortName">Name of the sort.</param>
+        UserView GetNamedView(User user,
+            string name,
+            string viewType,
+            string sortName);
+
+        /// <summary>
+        /// Gets the named view.
+        /// </summary>
+        /// <param name="name">The name.</param>
+        /// <param name="viewType">Type of the view.</param>
+        /// <param name="sortName">Name of the sort.</param>
+        UserView GetNamedView(string name,
+            string viewType,
+            string sortName);
+
+        /// <summary>
+        /// Gets the named view.
+        /// </summary>
+        /// <param name="name">The name.</param>
+        /// <param name="parentId">The parent identifier.</param>
+        /// <param name="viewType">Type of the view.</param>
+        /// <param name="sortName">Name of the sort.</param>
+        /// <param name="uniqueId">The unique identifier.</param>
+        UserView GetNamedView(string name,
+            Guid parentId,
+            string viewType,
+            string sortName,
+            string uniqueId);
+
+        /// <summary>
+        /// Gets the shadow view.
+        /// </summary>
+        /// <param name="parent">The parent.</param>
+        /// <param name="viewType">Type of the view.</param>
+        /// <param name="sortName">Name of the sort.</param>
+        UserView GetShadowView(BaseItem parent,
+          string viewType,
+          string sortName);
+
+        /// <summary>
+        /// Determines whether [is video file] [the specified path].
+        /// </summary>
+        /// <param name="path">The path.</param>
+        /// <returns><c>true</c> if [is video file] [the specified path]; otherwise, <c>false</c>.</returns>
+        bool IsVideoFile(string path);
+
+        /// <summary>
+        /// Determines whether [is audio file] [the specified path].
+        /// </summary>
+        /// <param name="path">The path.</param>
+        /// <returns><c>true</c> if [is audio file] [the specified path]; otherwise, <c>false</c>.</returns>
+        bool IsAudioFile(string path);
+
+        bool IsAudioFile(string path, LibraryOptions libraryOptions);
+        bool IsVideoFile(string path, LibraryOptions libraryOptions);
+
+        /// <summary>
+        /// Gets the season number from path.
+        /// </summary>
+        /// <param name="path">The path.</param>
+        /// <returns>System.Nullable&lt;System.Int32&gt;.</returns>
+        int? GetSeasonNumberFromPath(string path);
+
+        /// <summary>
+        /// Fills the missing episode numbers from path.
+        /// </summary>
+        bool FillMissingEpisodeNumbersFromPath(Episode episode, bool forceRefresh);
+
+        /// <summary>
+        /// Parses the name.
+        /// </summary>
+        /// <param name="name">The name.</param>
+        /// <returns>ItemInfo.</returns>
+        ItemLookupInfo ParseName(string name);
+
+        /// <summary>
+        /// Gets the new item identifier.
+        /// </summary>
+        /// <param name="key">The key.</param>
+        /// <param name="type">The type.</param>
+        /// <returns>Guid.</returns>
+        Guid GetNewItemId(string key, Type type);
+
+        /// <summary>
+        /// Finds the trailers.
+        /// </summary>
+        /// <param name="owner">The owner.</param>
+        /// <param name="fileSystemChildren">The file system children.</param>
+        /// <param name="directoryService">The directory service.</param>
+        /// <returns>IEnumerable&lt;Trailer&gt;.</returns>
+        IEnumerable<Video> FindTrailers(BaseItem owner, List<FileSystemMetadata> fileSystemChildren,
+            IDirectoryService directoryService);
+
+        /// <summary>
+        /// Finds the extras.
+        /// </summary>
+        /// <param name="owner">The owner.</param>
+        /// <param name="fileSystemChildren">The file system children.</param>
+        /// <param name="directoryService">The directory service.</param>
+        /// <returns>IEnumerable&lt;Video&gt;.</returns>
+        IEnumerable<Video> FindExtras(BaseItem owner, List<FileSystemMetadata> fileSystemChildren,
+            IDirectoryService directoryService);
+
+        /// <summary>
+        /// Gets the collection folders.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <returns>IEnumerable&lt;Folder&gt;.</returns>
+        List<Folder> GetCollectionFolders(BaseItem item);
+
+        List<Folder> GetCollectionFolders(BaseItem item, List<Folder> allUserRootChildren);
+
+        LibraryOptions GetLibraryOptions(BaseItem item);
+
+        /// <summary>
+        /// Gets the people.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <returns>List&lt;PersonInfo&gt;.</returns>
+        List<PersonInfo> GetPeople(BaseItem item);
+
+        /// <summary>
+        /// Gets the people.
+        /// </summary>
+        /// <param name="query">The query.</param>
+        /// <returns>List&lt;PersonInfo&gt;.</returns>
+        List<PersonInfo> GetPeople(InternalPeopleQuery query);
+
+        /// <summary>
+        /// Gets the people items.
+        /// </summary>
+        /// <param name="query">The query.</param>
+        /// <returns>List&lt;Person&gt;.</returns>
+        List<Person> GetPeopleItems(InternalPeopleQuery query);
+
+        /// <summary>
+        /// Updates the people.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <param name="people">The people.</param>
+        void UpdatePeople(BaseItem item, List<PersonInfo> people);
+
+        /// <summary>
+        /// Gets the item ids.
+        /// </summary>
+        /// <param name="query">The query.</param>
+        /// <returns>List&lt;Guid&gt;.</returns>
+        List<Guid> GetItemIds(InternalItemsQuery query);
+
+        /// <summary>
+        /// Gets the people names.
+        /// </summary>
+        /// <param name="query">The query.</param>
+        /// <returns>List&lt;System.String&gt;.</returns>
+        List<string> GetPeopleNames(InternalPeopleQuery query);
+
+        /// <summary>
+        /// Queries the items.
+        /// </summary>
+        /// <param name="query">The query.</param>
+        /// <returns>QueryResult&lt;BaseItem&gt;.</returns>
+        QueryResult<BaseItem> QueryItems(InternalItemsQuery query);
+
+        string GetPathAfterNetworkSubstitution(string path, BaseItem ownerItem = null);
+
+        /// <summary>
+        /// Substitutes the path.
+        /// </summary>
+        /// <param name="path">The path.</param>
+        /// <param name="from">From.</param>
+        /// <param name="to">To.</param>
+        /// <returns>System.String.</returns>
+        string SubstitutePath(string path, string from, string to);
+
+        /// <summary>
+        /// Converts the image to local.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <param name="image">The image.</param>
+        /// <param name="imageIndex">Index of the image.</param>
+        /// <returns>Task.</returns>
+        Task<ItemImageInfo> ConvertImageToLocal(BaseItem item, ItemImageInfo image, int imageIndex);
+
+        /// <summary>
+        /// Gets the items.
+        /// </summary>
+        /// <param name="query">The query.</param>
+        /// <returns>QueryResult&lt;BaseItem&gt;.</returns>
+        List<BaseItem> GetItemList(InternalItemsQuery query);
+
+        List<BaseItem> GetItemList(InternalItemsQuery query, bool allowExternalContent);
+
+        /// <summary>
+        /// Gets the items.
+        /// </summary>
+        List<BaseItem> GetItemList(InternalItemsQuery query, List<BaseItem> parents);
+
+        /// <summary>
+        /// Gets the items result.
+        /// </summary>
+        /// <param name="query">The query.</param>
+        /// <returns>QueryResult&lt;BaseItem&gt;.</returns>
+        QueryResult<BaseItem> GetItemsResult(InternalItemsQuery query);
+
+        /// <summary>
+        /// Ignores the file.
+        /// </summary>
+        /// <param name="file">The file.</param>
+        /// <param name="parent">The parent.</param>
+        /// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
+        bool IgnoreFile(FileSystemMetadata file, BaseItem parent);
+
+        Guid GetStudioId(string name);
+
+        Guid GetGenreId(string name);
+
+        Guid GetMusicGenreId(string name);
+
+        Guid GetGameGenreId(string name);
+
+        Task AddVirtualFolder(string name, string collectionType, LibraryOptions options, bool refreshLibrary);
+        Task RemoveVirtualFolder(string name, bool refreshLibrary);
+        void AddMediaPath(string virtualFolderName, MediaPathInfo path);
+        void UpdateMediaPath(string virtualFolderName, MediaPathInfo path);
+        void RemoveMediaPath(string virtualFolderName, string path);
+
+        QueryResult<Tuple<BaseItem, ItemCounts>> GetGenres(InternalItemsQuery query);
+        QueryResult<Tuple<BaseItem, ItemCounts>> GetMusicGenres(InternalItemsQuery query);
+        QueryResult<Tuple<BaseItem, ItemCounts>> GetGameGenres(InternalItemsQuery query);
+        QueryResult<Tuple<BaseItem, ItemCounts>> GetStudios(InternalItemsQuery query);
+        QueryResult<Tuple<BaseItem, ItemCounts>> GetArtists(InternalItemsQuery query);
+        QueryResult<Tuple<BaseItem, ItemCounts>> GetAlbumArtists(InternalItemsQuery query);
+        QueryResult<Tuple<BaseItem, ItemCounts>> GetAllArtists(InternalItemsQuery query);
+
+        int GetCount(InternalItemsQuery query);
+
+        void AddExternalSubtitleStreams(List<MediaStream> streams,
+            string videoPath,
+            string[] files);
+    }
+}
\ No newline at end of file
diff --git a/MediaBrowser.Controller/Library/ILibraryMonitor.cs b/MediaBrowser.Controller/Library/ILibraryMonitor.cs
new file mode 100644
index 000000000..e965e47d6
--- /dev/null
+++ b/MediaBrowser.Controller/Library/ILibraryMonitor.cs
@@ -0,0 +1,43 @@
+using System;
+
+namespace MediaBrowser.Controller.Library
+{
+    public interface ILibraryMonitor : IDisposable
+    {
+        /// <summary>
+        /// Starts this instance.
+        /// </summary>
+        void Start();
+
+        /// <summary>
+        /// Stops this instance.
+        /// </summary>
+        void Stop();
+
+        /// <summary>
+        /// Reports the file system change beginning.
+        /// </summary>
+        /// <param name="path">The path.</param>
+        void ReportFileSystemChangeBeginning(string path);
+
+        /// <summary>
+        /// Reports the file system change complete.
+        /// </summary>
+        /// <param name="path">The path.</param>
+        /// <param name="refreshPath">if set to <c>true</c> [refresh path].</param>
+        void ReportFileSystemChangeComplete(string path, bool refreshPath);
+
+        /// <summary>
+        /// Reports the file system changed.
+        /// </summary>
+        /// <param name="path">The path.</param>
+        void ReportFileSystemChanged(string path);
+
+        /// <summary>
+        /// Determines whether [is path locked] [the specified path].
+        /// </summary>
+        /// <param name="path">The path.</param>
+        /// <returns><c>true</c> if [is path locked] [the specified path]; otherwise, <c>false</c>.</returns>
+        bool IsPathLocked(string path);
+    }
+}
\ No newline at end of file
diff --git a/MediaBrowser.Controller/Library/ILibraryPostScanTask.cs b/MediaBrowser.Controller/Library/ILibraryPostScanTask.cs
new file mode 100644
index 000000000..694422907
--- /dev/null
+++ b/MediaBrowser.Controller/Library/ILibraryPostScanTask.cs
@@ -0,0 +1,20 @@
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.Controller.Library
+{
+    /// <summary>
+    /// An interface for tasks that run after the media library scan
+    /// </summary>
+    public interface ILibraryPostScanTask
+    {
+        /// <summary>
+        /// Runs the specified progress.
+        /// </summary>
+        /// <param name="progress">The progress.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task.</returns>
+        Task Run(IProgress<double> progress, CancellationToken cancellationToken);
+    }
+}
diff --git a/MediaBrowser.Controller/Library/ILiveStream.cs b/MediaBrowser.Controller/Library/ILiveStream.cs
new file mode 100644
index 000000000..e00da7340
--- /dev/null
+++ b/MediaBrowser.Controller/Library/ILiveStream.cs
@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Model.Dto;
+
+namespace MediaBrowser.Controller.Library
+{
+    public interface ILiveStream
+    {
+        Task Open(CancellationToken openCancellationToken);
+        Task Close();
+        int ConsumerCount { get; set; }
+        string OriginalStreamId { get; set; }
+        string TunerHostId { get; }
+        bool EnableStreamSharing { get; }
+        MediaSourceInfo MediaSource { get; set; }
+        string UniqueId { get; }
+    }
+}
diff --git a/MediaBrowser.Controller/Library/IMediaSourceManager.cs b/MediaBrowser.Controller/Library/IMediaSourceManager.cs
new file mode 100644
index 000000000..8541c4fd9
--- /dev/null
+++ b/MediaBrowser.Controller/Library/IMediaSourceManager.cs
@@ -0,0 +1,100 @@
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Persistence;
+using MediaBrowser.Model.Dto;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.MediaInfo;
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using System.IO;
+
+namespace MediaBrowser.Controller.Library
+{
+    public interface IMediaSourceManager
+    {
+        /// <summary>
+        /// Adds the parts.
+        /// </summary>
+        /// <param name="providers">The providers.</param>
+        void AddParts(IEnumerable<IMediaSourceProvider> providers);
+
+        /// <summary>
+        /// Gets the media streams.
+        /// </summary>
+        /// <param name="itemId">The item identifier.</param>
+        /// <returns>IEnumerable&lt;MediaStream&gt;.</returns>
+        List<MediaStream> GetMediaStreams(Guid itemId);
+        /// <summary>
+        /// Gets the media streams.
+        /// </summary>
+        /// <param name="mediaSourceId">The media source identifier.</param>
+        /// <returns>IEnumerable&lt;MediaStream&gt;.</returns>
+        List<MediaStream> GetMediaStreams(string mediaSourceId);
+        /// <summary>
+        /// Gets the media streams.
+        /// </summary>
+        /// <param name="query">The query.</param>
+        /// <returns>IEnumerable&lt;MediaStream&gt;.</returns>
+        List<MediaStream> GetMediaStreams(MediaStreamQuery query);
+
+        /// <summary>
+        /// Gets the playack media sources.
+        /// </summary>
+        Task<List<MediaSourceInfo>> GetPlayackMediaSources(BaseItem item, User user, bool allowMediaProbe, bool enablePathSubstitution, CancellationToken cancellationToken);
+
+        /// <summary>
+        /// Gets the static media sources.
+        /// </summary>
+        List<MediaSourceInfo> GetStaticMediaSources(BaseItem item, bool enablePathSubstitution, User user = null);
+
+        /// <summary>
+        /// Gets the static media source.
+        /// </summary>
+        Task<MediaSourceInfo> GetMediaSource(BaseItem item, string mediaSourceId, string liveStreamId, bool enablePathSubstitution, CancellationToken cancellationToken);
+
+        /// <summary>
+        /// Opens the media source.
+        /// </summary>
+        /// <param name="request">The request.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task&lt;MediaSourceInfo&gt;.</returns>
+        Task<LiveStreamResponse> OpenLiveStream(LiveStreamRequest request, CancellationToken cancellationToken);
+
+        Task<Tuple<LiveStreamResponse, IDirectStreamProvider>> OpenLiveStreamInternal(LiveStreamRequest request, CancellationToken cancellationToken);
+
+        /// <summary>
+        /// Gets the live stream.
+        /// </summary>
+        /// <param name="id">The identifier.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task&lt;MediaSourceInfo&gt;.</returns>
+        Task<MediaSourceInfo> GetLiveStream(string id, CancellationToken cancellationToken);
+
+        Task<Tuple<MediaSourceInfo, IDirectStreamProvider>> GetLiveStreamWithDirectStreamProvider(string id, CancellationToken cancellationToken);
+
+        /// <summary>
+        /// Closes the media source.
+        /// </summary>
+        /// <param name="id">The live stream identifier.</param>
+        /// <returns>Task.</returns>
+        Task CloseLiveStream(string id);
+
+        Task<MediaSourceInfo> GetLiveStreamMediaInfo(string id, CancellationToken cancellationToken);
+
+        bool SupportsDirectStream(string path, MediaProtocol protocol);
+
+        MediaProtocol GetPathProtocol(string path);
+
+        void SetDefaultAudioAndSubtitleStreamIndexes(BaseItem item, MediaSourceInfo source, User user);
+
+        Task AddMediaInfoWithProbe(MediaSourceInfo mediaSource, bool isAudio, string cacheKey, bool addProbeDelay, bool isLiveStream, CancellationToken cancellationToken);
+
+        Task<IDirectStreamProvider> GetDirectStreamProviderByUniqueId(string uniqueId, CancellationToken cancellationToken);
+    }
+
+    public interface IDirectStreamProvider
+    {
+        Task CopyToAsync(Stream stream, CancellationToken cancellationToken);
+    }
+}
diff --git a/MediaBrowser.Controller/Library/IMediaSourceProvider.cs b/MediaBrowser.Controller/Library/IMediaSourceProvider.cs
new file mode 100644
index 000000000..eec138532
--- /dev/null
+++ b/MediaBrowser.Controller/Library/IMediaSourceProvider.cs
@@ -0,0 +1,25 @@
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Model.Dto;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using System;
+
+namespace MediaBrowser.Controller.Library
+{
+    public interface IMediaSourceProvider
+    {
+        /// <summary>
+        /// Gets the media sources.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task&lt;IEnumerable&lt;MediaSourceInfo&gt;&gt;.</returns>
+        Task<IEnumerable<MediaSourceInfo>> GetMediaSources(BaseItem item, CancellationToken cancellationToken);
+
+        /// <summary>
+        /// Opens the media source.
+        /// </summary>
+        Task<ILiveStream> OpenMediaSource(string openToken, List<ILiveStream> currentLiveStreams, CancellationToken cancellationToken);
+    }
+}
diff --git a/MediaBrowser.Controller/Library/IMetadataFileSaver.cs b/MediaBrowser.Controller/Library/IMetadataFileSaver.cs
new file mode 100644
index 000000000..e66fbcbc8
--- /dev/null
+++ b/MediaBrowser.Controller/Library/IMetadataFileSaver.cs
@@ -0,0 +1,19 @@
+using MediaBrowser.Controller.Entities;
+
+namespace MediaBrowser.Controller.Library
+{
+    public interface IMetadataFileSaver : IMetadataSaver
+    {
+        /// <summary>
+        /// Gets the save path.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <returns>System.String.</returns>
+        string GetSavePath(BaseItem item);
+    }
+
+    public interface IConfigurableProvider
+    {
+        bool IsEnabled { get; }
+    }
+}
\ No newline at end of file
diff --git a/MediaBrowser.Controller/Library/IMetadataSaver.cs b/MediaBrowser.Controller/Library/IMetadataSaver.cs
new file mode 100644
index 000000000..f71afa656
--- /dev/null
+++ b/MediaBrowser.Controller/Library/IMetadataSaver.cs
@@ -0,0 +1,33 @@
+using MediaBrowser.Controller.Entities;
+using System.Threading;
+
+namespace MediaBrowser.Controller.Library
+{
+    /// <summary>
+    /// Interface IMetadataSaver
+    /// </summary>
+    public interface IMetadataSaver
+    {
+        /// <summary>
+        /// Gets the name.
+        /// </summary>
+        /// <value>The name.</value>
+        string Name { get; }
+
+        /// <summary>
+        /// Determines whether [is enabled for] [the specified item].
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <param name="updateType">Type of the update.</param>
+        /// <returns><c>true</c> if [is enabled for] [the specified item]; otherwise, <c>false</c>.</returns>
+        bool IsEnabledFor(BaseItem item, ItemUpdateType updateType);
+
+        /// <summary>
+        /// Saves the specified item.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task.</returns>
+        void Save(BaseItem item, CancellationToken cancellationToken);
+    }
+}
diff --git a/MediaBrowser.Controller/Library/IMusicManager.cs b/MediaBrowser.Controller/Library/IMusicManager.cs
new file mode 100644
index 000000000..535e6df7e
--- /dev/null
+++ b/MediaBrowser.Controller/Library/IMusicManager.cs
@@ -0,0 +1,25 @@
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Entities.Audio;
+using System.Collections.Generic;
+using MediaBrowser.Controller.Dto;
+
+namespace MediaBrowser.Controller.Library
+{
+    public interface IMusicManager
+    {
+        /// <summary>
+        /// Gets the instant mix from song.
+        /// </summary>
+        List<BaseItem> GetInstantMixFromItem(BaseItem item, User user, DtoOptions dtoOptions);
+
+        /// <summary>
+        /// Gets the instant mix from artist.
+        /// </summary>
+        List<BaseItem> GetInstantMixFromArtist(MusicArtist artist, User user, DtoOptions dtoOptions);
+
+        /// <summary>
+        /// Gets the instant mix from genre.
+        /// </summary>
+        List<BaseItem> GetInstantMixFromGenres(IEnumerable<string> genres, User user, DtoOptions dtoOptions);
+    }
+}
diff --git a/MediaBrowser.Controller/Library/ISearchEngine.cs b/MediaBrowser.Controller/Library/ISearchEngine.cs
new file mode 100644
index 000000000..715f16407
--- /dev/null
+++ b/MediaBrowser.Controller/Library/ISearchEngine.cs
@@ -0,0 +1,18 @@
+using MediaBrowser.Model.Querying;
+using MediaBrowser.Model.Search;
+
+namespace MediaBrowser.Controller.Library
+{
+    /// <summary>
+    /// Interface ILibrarySearchEngine
+    /// </summary>
+    public interface ISearchEngine
+    {
+        /// <summary>
+        /// Gets the search hints.
+        /// </summary>
+        /// <param name="query">The query.</param>
+        /// <returns>Task{IEnumerable{SearchHintInfo}}.</returns>
+        QueryResult<SearchHintInfo> GetSearchHints(SearchQuery query);
+    }
+}
diff --git a/MediaBrowser.Controller/Library/IUserDataManager.cs b/MediaBrowser.Controller/Library/IUserDataManager.cs
new file mode 100644
index 000000000..11d77f81a
--- /dev/null
+++ b/MediaBrowser.Controller/Library/IUserDataManager.cs
@@ -0,0 +1,67 @@
+using System.Collections.Generic;
+using MediaBrowser.Controller.Dto;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Model.Dto;
+using MediaBrowser.Model.Entities;
+using System;
+using System.Threading;
+using MediaBrowser.Model.Querying;
+
+namespace MediaBrowser.Controller.Library
+{
+    /// <summary>
+    /// Interface IUserDataManager
+    /// </summary>
+    public interface IUserDataManager
+    {
+        /// <summary>
+        /// Occurs when [user data saved].
+        /// </summary>
+        event EventHandler<UserDataSaveEventArgs> UserDataSaved;
+
+        /// <summary>
+        /// Saves the user data.
+        /// </summary>
+        /// <param name="userId">The user id.</param>
+        /// <param name="item">The item.</param>
+        /// <param name="userData">The user data.</param>
+        /// <param name="reason">The reason.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task.</returns>
+        void SaveUserData(Guid userId, BaseItem item, UserItemData userData, UserDataSaveReason reason, CancellationToken cancellationToken);
+        void SaveUserData(User userId, BaseItem item, UserItemData userData, UserDataSaveReason reason, CancellationToken cancellationToken);
+
+        UserItemData GetUserData(User user, BaseItem item);
+
+        UserItemData GetUserData(string userId, BaseItem item);
+        UserItemData GetUserData(Guid userId, BaseItem item);
+
+        /// <summary>
+        /// Gets the user data dto.
+        /// </summary>
+        UserItemDataDto GetUserDataDto(BaseItem item, User user);
+
+        UserItemDataDto GetUserDataDto(BaseItem item, BaseItemDto itemDto, User user, DtoOptions dto_options);
+
+        /// <summary>
+        /// Get all user data for the given user
+        /// </summary>
+        /// <param name="userId"></param>
+        /// <returns></returns>
+        List<UserItemData> GetAllUserData(Guid userId);
+
+        /// <summary>
+        /// Save the all provided user data for the given user
+        /// </summary>
+        /// <param name="userId"></param>
+        /// <param name="userData"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        void SaveAllUserData(Guid userId, UserItemData[] userData, CancellationToken cancellationToken);
+
+        /// <summary>
+        /// Updates playstate for an item and returns true or false indicating if it was played to completion
+        /// </summary>
+        bool UpdatePlayState(BaseItem item, UserItemData data, long? positionTicks);
+    }
+}
diff --git a/MediaBrowser.Controller/Library/IUserManager.cs b/MediaBrowser.Controller/Library/IUserManager.cs
new file mode 100644
index 000000000..d29b164ef
--- /dev/null
+++ b/MediaBrowser.Controller/Library/IUserManager.cs
@@ -0,0 +1,207 @@
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Model.Configuration;
+using MediaBrowser.Model.Dto;
+using MediaBrowser.Model.Events;
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Model.Users;
+using MediaBrowser.Controller.Authentication;
+
+namespace MediaBrowser.Controller.Library
+{
+    /// <summary>
+    /// Interface IUserManager
+    /// </summary>
+    public interface IUserManager
+    {
+        /// <summary>
+        /// Gets the users.
+        /// </summary>
+        /// <value>The users.</value>
+        IEnumerable<User> Users { get; }
+
+        /// <summary>
+        /// Occurs when [user updated].
+        /// </summary>
+        event EventHandler<GenericEventArgs<User>> UserUpdated;
+
+        /// <summary>
+        /// Occurs when [user deleted].
+        /// </summary>
+        event EventHandler<GenericEventArgs<User>> UserDeleted;
+
+        event EventHandler<GenericEventArgs<User>> UserCreated;
+        event EventHandler<GenericEventArgs<User>> UserPolicyUpdated;
+        event EventHandler<GenericEventArgs<User>> UserConfigurationUpdated;
+        event EventHandler<GenericEventArgs<User>> UserPasswordChanged;
+        event EventHandler<GenericEventArgs<User>> UserLockedOut;
+
+        /// <summary>
+        /// Gets a User by Id
+        /// </summary>
+        /// <param name="id">The id.</param>
+        /// <returns>User.</returns>
+        /// <exception cref="System.ArgumentNullException"></exception>
+        User GetUserById(Guid id);
+
+        /// <summary>
+        /// Gets the user by identifier.
+        /// </summary>
+        /// <param name="id">The identifier.</param>
+        /// <returns>User.</returns>
+        User GetUserById(string id);
+
+        /// <summary>
+        /// Gets the name of the user by.
+        /// </summary>
+        /// <param name="name">The name.</param>
+        /// <returns>User.</returns>
+        User GetUserByName(string name);
+
+        /// <summary>
+        /// Refreshes metadata for each user
+        /// </summary>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task.</returns>
+        Task RefreshUsersMetadata(CancellationToken cancellationToken);
+
+        /// <summary>
+        /// Renames the user.
+        /// </summary>
+        /// <param name="user">The user.</param>
+        /// <param name="newName">The new name.</param>
+        /// <returns>Task.</returns>
+        /// <exception cref="System.ArgumentNullException">user</exception>
+        /// <exception cref="System.ArgumentException"></exception>
+        Task RenameUser(User user, string newName);
+
+        /// <summary>
+        /// Updates the user.
+        /// </summary>
+        /// <param name="user">The user.</param>
+        /// <exception cref="System.ArgumentNullException">user</exception>
+        /// <exception cref="System.ArgumentException"></exception>
+        void UpdateUser(User user);
+
+        /// <summary>
+        /// Creates the user.
+        /// </summary>
+        /// <param name="name">The name.</param>
+        /// <returns>User.</returns>
+        /// <exception cref="System.ArgumentNullException">name</exception>
+        /// <exception cref="System.ArgumentException"></exception>
+        Task<User> CreateUser(string name);
+
+        /// <summary>
+        /// Deletes the user.
+        /// </summary>
+        /// <param name="user">The user.</param>
+        /// <returns>Task.</returns>
+        /// <exception cref="System.ArgumentNullException">user</exception>
+        /// <exception cref="System.ArgumentException"></exception>
+        Task DeleteUser(User user);
+
+        /// <summary>
+        /// Resets the password.
+        /// </summary>
+        /// <param name="user">The user.</param>
+        /// <returns>Task.</returns>
+        Task ResetPassword(User user);
+
+        /// <summary>
+        /// Gets the offline user dto.
+        /// </summary>
+        /// <param name="user">The user.</param>
+        /// <returns>UserDto.</returns>
+        UserDto GetOfflineUserDto(User user);
+
+        /// <summary>
+        /// Resets the easy password.
+        /// </summary>
+        /// <param name="user">The user.</param>
+        /// <returns>Task.</returns>
+        void ResetEasyPassword(User user);
+        
+        /// <summary>
+        /// Changes the password.
+        /// </summary>
+        Task ChangePassword(User user, string newPassword);
+
+        /// <summary>
+        /// Changes the easy password.
+        /// </summary>
+        void ChangeEasyPassword(User user, string newPassword, string newPasswordSha1);
+        
+        /// <summary>
+        /// Gets the user dto.
+        /// </summary>
+        /// <param name="user">The user.</param>
+        /// <param name="remoteEndPoint">The remote end point.</param>
+        /// <returns>UserDto.</returns>
+        UserDto GetUserDto(User user, string remoteEndPoint = null);
+
+        /// <summary>
+        /// Authenticates the user.
+        /// </summary>
+        Task<User> AuthenticateUser(string username, string password, string passwordSha1, string remoteEndPoint, bool isUserSession);
+
+        /// <summary>
+        /// Starts the forgot password process.
+        /// </summary>
+        /// <param name="enteredUsername">The entered username.</param>
+        /// <param name="isInNetwork">if set to <c>true</c> [is in network].</param>
+        /// <returns>ForgotPasswordResult.</returns>
+        Task<ForgotPasswordResult> StartForgotPasswordProcess(string enteredUsername, bool isInNetwork);
+
+        /// <summary>
+        /// Redeems the password reset pin.
+        /// </summary>
+        /// <param name="pin">The pin.</param>
+        /// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
+        Task<PinRedeemResult> RedeemPasswordResetPin(string pin);
+
+        /// <summary>
+        /// Gets the user policy.
+        /// </summary>
+        /// <param name="user">The user.</param>
+        /// <returns>UserPolicy.</returns>
+        UserPolicy GetUserPolicy(User user);
+
+        /// <summary>
+        /// Gets the user configuration.
+        /// </summary>
+        /// <param name="user">The user.</param>
+        /// <returns>UserConfiguration.</returns>
+        UserConfiguration GetUserConfiguration(User user);
+
+        /// <summary>
+        /// Updates the configuration.
+        /// </summary>
+        /// <param name="userId">The user identifier.</param>
+        /// <param name="newConfiguration">The new configuration.</param>
+        /// <returns>Task.</returns>
+        void UpdateConfiguration(Guid userId, UserConfiguration newConfiguration);
+
+        void UpdateConfiguration(User user, UserConfiguration newConfiguration);
+
+        /// <summary>
+        /// Updates the user policy.
+        /// </summary>
+        /// <param name="userId">The user identifier.</param>
+        /// <param name="userPolicy">The user policy.</param>
+        void UpdateUserPolicy(Guid userId, UserPolicy userPolicy);
+
+        /// <summary>
+        /// Makes the valid username.
+        /// </summary>
+        /// <param name="username">The username.</param>
+        /// <returns>System.String.</returns>
+        string MakeValidUsername(string username);
+
+        void AddParts(IEnumerable<IAuthenticationProvider> authenticationProviders);
+
+        NameIdPair[] GetAuthenticationProviders();
+    }
+}
diff --git a/MediaBrowser.Controller/Library/IUserViewManager.cs b/MediaBrowser.Controller/Library/IUserViewManager.cs
new file mode 100644
index 000000000..f4649777c
--- /dev/null
+++ b/MediaBrowser.Controller/Library/IUserViewManager.cs
@@ -0,0 +1,19 @@
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Model.Library;
+using MediaBrowser.Model.Querying;
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Controller.Dto;
+
+namespace MediaBrowser.Controller.Library
+{
+    public interface IUserViewManager
+    {
+        Folder[] GetUserViews(UserViewQuery query);
+        UserView GetUserSubView(Guid parentId, string type, string localizationKey, string sortName);
+
+        List<Tuple<BaseItem, List<BaseItem>>> GetLatestItems(LatestItemsQuery request, DtoOptions options);
+    }
+}
diff --git a/MediaBrowser.Controller/Library/IntroInfo.cs b/MediaBrowser.Controller/Library/IntroInfo.cs
new file mode 100644
index 000000000..d0e61d0f0
--- /dev/null
+++ b/MediaBrowser.Controller/Library/IntroInfo.cs
@@ -0,0 +1,19 @@
+using System;
+
+namespace MediaBrowser.Controller.Library
+{
+    public class IntroInfo
+    {
+        /// <summary>
+        /// Gets or sets the path.
+        /// </summary>
+        /// <value>The path.</value>
+        public string Path { get; set; }
+
+        /// <summary>
+        /// Gets or sets the item id.
+        /// </summary>
+        /// <value>The item id.</value>
+        public Guid? ItemId { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/MediaBrowser.Controller/Library/ItemChangeEventArgs.cs b/MediaBrowser.Controller/Library/ItemChangeEventArgs.cs
new file mode 100644
index 000000000..e671490d3
--- /dev/null
+++ b/MediaBrowser.Controller/Library/ItemChangeEventArgs.cs
@@ -0,0 +1,24 @@
+using MediaBrowser.Controller.Entities;
+
+namespace MediaBrowser.Controller.Library
+{
+    /// <summary>
+    /// Class ItemChangeEventArgs
+    /// </summary>
+    public class ItemChangeEventArgs
+    {
+        /// <summary>
+        /// Gets or sets the item.
+        /// </summary>
+        /// <value>The item.</value>
+        public BaseItem Item { get; set; }
+
+        public BaseItem Parent { get; set; }
+
+        /// <summary>
+        /// Gets or sets the item.
+        /// </summary>
+        /// <value>The item.</value>
+        public ItemUpdateType UpdateReason { get; set; }
+    }
+}
diff --git a/MediaBrowser.Controller/Library/ItemResolveArgs.cs b/MediaBrowser.Controller/Library/ItemResolveArgs.cs
new file mode 100644
index 000000000..7197425f3
--- /dev/null
+++ b/MediaBrowser.Controller/Library/ItemResolveArgs.cs
@@ -0,0 +1,281 @@
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Providers;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using MediaBrowser.Controller.Configuration;
+using MediaBrowser.Controller.IO;
+using MediaBrowser.Model.Configuration;
+using MediaBrowser.Model.IO;
+
+namespace MediaBrowser.Controller.Library
+{
+    /// <summary>
+    /// These are arguments relating to the file system that are collected once and then referred to
+    /// whenever needed.  Primarily for entity resolution.
+    /// </summary>
+    public class ItemResolveArgs : EventArgs
+    {
+        /// <summary>
+        /// The _app paths
+        /// </summary>
+        private readonly IServerApplicationPaths _appPaths;
+
+        public IDirectoryService DirectoryService { get; private set; }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ItemResolveArgs" /> class.
+        /// </summary>
+        /// <param name="appPaths">The app paths.</param>
+        /// <param name="directoryService">The directory service.</param>
+        public ItemResolveArgs(IServerApplicationPaths appPaths, IDirectoryService directoryService)
+        {
+            _appPaths = appPaths;
+            DirectoryService = directoryService;
+        }
+
+        /// <summary>
+        /// Gets the file system children.
+        /// </summary>
+        /// <value>The file system children.</value>
+        public FileSystemMetadata[] FileSystemChildren { get; set; }
+
+        public LibraryOptions LibraryOptions { get; set; }
+
+        public LibraryOptions GetLibraryOptions()
+        {
+            return LibraryOptions ?? (LibraryOptions = (Parent == null ? new LibraryOptions() : BaseItem.LibraryManager.GetLibraryOptions(Parent)));
+        }
+
+        /// <summary>
+        /// Gets or sets the parent.
+        /// </summary>
+        /// <value>The parent.</value>
+        public Folder Parent { get; set; }
+
+        /// <summary>
+        /// Gets or sets the file info.
+        /// </summary>
+        /// <value>The file info.</value>
+        public FileSystemMetadata FileInfo { get; set; }
+
+        /// <summary>
+        /// Gets or sets the path.
+        /// </summary>
+        /// <value>The path.</value>
+        public string Path { get; set; }
+
+        /// <summary>
+        /// Gets a value indicating whether this instance is directory.
+        /// </summary>
+        /// <value><c>true</c> if this instance is directory; otherwise, <c>false</c>.</value>
+        public bool IsDirectory
+        {
+            get
+            {
+                return FileInfo.IsDirectory;
+            }
+        }
+
+        /// <summary>
+        /// Gets a value indicating whether this instance is vf.
+        /// </summary>
+        /// <value><c>true</c> if this instance is vf; otherwise, <c>false</c>.</value>
+        public bool IsVf
+        {
+            // we should be considered a virtual folder if we are a child of one of the children of the system root folder.
+            //  this is a bit of a trick to determine that...  the directory name of a sub-child of the root will start with
+            //  the root but not be equal to it
+            get
+            {
+                if (!IsDirectory)
+                {
+                    return false;
+                }
+
+                var parentDir = BaseItem.FileSystem.GetDirectoryName(Path) ?? string.Empty;
+
+                return parentDir.Length > _appPaths.RootFolderPath.Length
+                       && parentDir.StartsWith(_appPaths.RootFolderPath, StringComparison.OrdinalIgnoreCase);
+
+            }
+        }
+
+        /// <summary>
+        /// Gets a value indicating whether this instance is physical root.
+        /// </summary>
+        /// <value><c>true</c> if this instance is physical root; otherwise, <c>false</c>.</value>
+        public bool IsPhysicalRoot
+        {
+            get
+            {
+                return IsDirectory && BaseItem.FileSystem.AreEqual(Path, _appPaths.RootFolderPath);
+            }
+        }
+
+        /// <summary>
+        /// Gets or sets the additional locations.
+        /// </summary>
+        /// <value>The additional locations.</value>
+        private List<string> AdditionalLocations { get; set; }
+
+        public bool HasParent<T>()
+            where T : Folder
+        {
+            var parent = Parent;
+
+            if (parent != null)
+            {
+                var item = parent as T;
+
+                // Just in case the user decided to nest episodes. 
+                // Not officially supported but in some cases we can handle it.
+                if (item == null)
+                {
+                    var parents = parent.GetParents();
+                    foreach (var currentParent in parents)
+                    {
+                        if (currentParent is T)
+                        {
+                            return true;
+                        }
+                    }
+                }
+
+                return item != null;
+
+            }
+            return false;
+        }
+
+        /// <summary>
+        /// Adds the additional location.
+        /// </summary>
+        /// <param name="path">The path.</param>
+        /// <exception cref="System.ArgumentNullException"></exception>
+        public void AddAdditionalLocation(string path)
+        {
+            if (string.IsNullOrEmpty(path))
+            {
+                throw new ArgumentNullException();
+            }
+
+            if (AdditionalLocations == null)
+            {
+                AdditionalLocations = new List<string>();
+            }
+
+            AdditionalLocations.Add(path);
+        }
+
+        /// <summary>
+        /// Gets the physical locations.
+        /// </summary>
+        /// <value>The physical locations.</value>
+        public string[] PhysicalLocations
+        {
+            get
+            {
+                var paths = string.IsNullOrEmpty(Path) ? new string[] { } : new[] { Path };
+                return AdditionalLocations == null ? paths : paths.Concat(AdditionalLocations).ToArray();
+            }
+        }
+
+        /// <summary>
+        /// Gets the name of the file system entry by.
+        /// </summary>
+        /// <param name="name">The name.</param>
+        /// <returns>FileSystemInfo.</returns>
+        /// <exception cref="System.ArgumentNullException"></exception>
+        public FileSystemMetadata GetFileSystemEntryByName(string name)
+        {
+            if (string.IsNullOrEmpty(name))
+            {
+                throw new ArgumentNullException();
+            }
+
+            return GetFileSystemEntryByPath(System.IO.Path.Combine(Path, name));
+        }
+
+        /// <summary>
+        /// Gets the file system entry by path.
+        /// </summary>
+        /// <param name="path">The path.</param>
+        /// <returns>FileSystemInfo.</returns>
+        /// <exception cref="System.ArgumentNullException"></exception>
+        public FileSystemMetadata GetFileSystemEntryByPath(string path)
+        {
+            if (string.IsNullOrEmpty(path))
+            {
+                throw new ArgumentNullException();
+            }
+
+            foreach (var file in FileSystemChildren)
+            {
+                if (string.Equals(file.FullName, path, StringComparison.Ordinal))
+                {
+                    return file;
+                }
+            }
+
+            return null;
+        }
+
+        /// <summary>
+        /// Determines whether [contains file system entry by name] [the specified name].
+        /// </summary>
+        /// <param name="name">The name.</param>
+        /// <returns><c>true</c> if [contains file system entry by name] [the specified name]; otherwise, <c>false</c>.</returns>
+        public bool ContainsFileSystemEntryByName(string name)
+        {
+            return GetFileSystemEntryByName(name) != null;
+        }
+
+        public string GetCollectionType()
+        {
+            return CollectionType;
+        }
+
+        public string CollectionType { get; set; }
+
+        #region Equality Overrides
+
+        /// <summary>
+        /// Determines whether the specified <see cref="System.Object" /> is equal to this instance.
+        /// </summary>
+        /// <param name="obj">The object to compare with the current object.</param>
+        /// <returns><c>true</c> if the specified <see cref="System.Object" /> is equal to this instance; otherwise, <c>false</c>.</returns>
+        public override bool Equals(object obj)
+        {
+            return Equals(obj as ItemResolveArgs);
+        }
+
+        /// <summary>
+        /// Returns a hash code for this instance.
+        /// </summary>
+        /// <returns>A hash code for this instance, suitable for use in hashing algorithms and data structures like a hash table.</returns>
+        public override int GetHashCode()
+        {
+            return Path.GetHashCode();
+        }
+
+        /// <summary>
+        /// Equalses the specified args.
+        /// </summary>
+        /// <param name="args">The args.</param>
+        /// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
+        protected bool Equals(ItemResolveArgs args)
+        {
+            if (args != null)
+            {
+                if (args.Path == null && Path == null) return true;
+                return args.Path != null && BaseItem.FileSystem.AreEqual(args.Path, Path);
+            }
+            return false;
+        }
+
+        #endregion
+    }
+
+}
diff --git a/MediaBrowser.Controller/Library/ItemUpdateType.cs b/MediaBrowser.Controller/Library/ItemUpdateType.cs
new file mode 100644
index 000000000..cf6263356
--- /dev/null
+++ b/MediaBrowser.Controller/Library/ItemUpdateType.cs
@@ -0,0 +1,14 @@
+using System;
+
+namespace MediaBrowser.Controller.Library
+{
+    [Flags]
+    public enum ItemUpdateType
+    {
+        None = 1,
+        MetadataImport = 2,
+        ImageUpdate = 4,
+        MetadataDownload = 8,
+        MetadataEdit = 16
+    }
+}
diff --git a/MediaBrowser.Controller/Library/LibraryManagerExtensions.cs b/MediaBrowser.Controller/Library/LibraryManagerExtensions.cs
new file mode 100644
index 000000000..ec69bea6e
--- /dev/null
+++ b/MediaBrowser.Controller/Library/LibraryManagerExtensions.cs
@@ -0,0 +1,13 @@
+using System;
+using MediaBrowser.Controller.Entities;
+
+namespace MediaBrowser.Controller.Library
+{
+    public static class LibraryManagerExtensions
+    {
+        public static BaseItem GetItemById(this ILibraryManager manager, string id)
+        {
+            return manager.GetItemById(new Guid(id));
+        }
+    }
+}
\ No newline at end of file
diff --git a/MediaBrowser.Controller/Library/MetadataConfigurationStore.cs b/MediaBrowser.Controller/Library/MetadataConfigurationStore.cs
new file mode 100644
index 000000000..dc2fa0f99
--- /dev/null
+++ b/MediaBrowser.Controller/Library/MetadataConfigurationStore.cs
@@ -0,0 +1,29 @@
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Model.Configuration;
+using System.Collections.Generic;
+
+namespace MediaBrowser.Controller.Library
+{
+    public class MetadataConfigurationStore : IConfigurationFactory
+    {
+        public IEnumerable<ConfigurationStore> GetConfigurations()
+        {
+            return new ConfigurationStore[]
+            {
+                new ConfigurationStore
+                {
+                     Key = "metadata",
+                     ConfigurationType = typeof(MetadataConfiguration)
+                }
+            };
+        }
+    }
+
+    public static class MetadataConfigurationExtensions
+    {
+        public static MetadataConfiguration GetMetadataConfiguration(this IConfigurationManager config)
+        {
+            return config.GetConfiguration<MetadataConfiguration>("metadata");
+        }
+    }
+}
diff --git a/MediaBrowser.Controller/Library/NameExtensions.cs b/MediaBrowser.Controller/Library/NameExtensions.cs
new file mode 100644
index 000000000..bab334a6d
--- /dev/null
+++ b/MediaBrowser.Controller/Library/NameExtensions.cs
@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using MediaBrowser.Controller.Extensions;
+using MediaBrowser.Model.Extensions;
+
+namespace MediaBrowser.Controller.Library
+{
+    public static class NameExtensions
+    {
+        private static string RemoveDiacritics(string name)
+        {
+            if (name == null)
+            {
+                return string.Empty;
+            }
+
+            //return name;
+            return name.RemoveDiacritics();
+        }
+
+        public static IEnumerable<string> DistinctNames(this IEnumerable<string> names)
+        {
+            return names.DistinctBy(RemoveDiacritics, StringComparer.OrdinalIgnoreCase);
+        }
+    }
+}
diff --git a/MediaBrowser.Controller/Library/PlaybackProgressEventArgs.cs b/MediaBrowser.Controller/Library/PlaybackProgressEventArgs.cs
new file mode 100644
index 000000000..00d9932a7
--- /dev/null
+++ b/MediaBrowser.Controller/Library/PlaybackProgressEventArgs.cs
@@ -0,0 +1,34 @@
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Model.Dto;
+using System;
+using System.Collections.Generic;
+using MediaBrowser.Controller.Session;
+
+namespace MediaBrowser.Controller.Library
+{
+    /// <summary>
+    /// Holds information about a playback progress event
+    /// </summary>
+    public class PlaybackProgressEventArgs : EventArgs
+    {
+        public List<User> Users { get; set; }
+        public long? PlaybackPositionTicks { get; set; }
+        public BaseItem Item { get; set; }
+        public BaseItemDto MediaInfo { get; set; }
+        public string MediaSourceId { get; set; }
+        public bool IsPaused { get; set; }
+        public bool IsAutomated { get; set; }
+
+        public string DeviceId { get; set; }
+        public string DeviceName { get; set; }
+        public string ClientName { get; set; }
+
+        public string PlaySessionId { get; set; }
+        public SessionInfo Session { get; set; }
+
+        public PlaybackProgressEventArgs()
+        {
+            Users = new List<User>();
+        }
+    }
+}
diff --git a/MediaBrowser.Controller/Library/PlaybackStopEventArgs.cs b/MediaBrowser.Controller/Library/PlaybackStopEventArgs.cs
new file mode 100644
index 000000000..b0f6799fc
--- /dev/null
+++ b/MediaBrowser.Controller/Library/PlaybackStopEventArgs.cs
@@ -0,0 +1,11 @@
+namespace MediaBrowser.Controller.Library
+{
+    public class PlaybackStopEventArgs : PlaybackProgressEventArgs
+    {
+        /// <summary>
+        /// Gets or sets a value indicating whether [played to completion].
+        /// </summary>
+        /// <value><c>true</c> if [played to completion]; otherwise, <c>false</c>.</value>
+        public bool PlayedToCompletion { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/MediaBrowser.Controller/Library/Profiler.cs b/MediaBrowser.Controller/Library/Profiler.cs
new file mode 100644
index 000000000..3957c3020
--- /dev/null
+++ b/MediaBrowser.Controller/Library/Profiler.cs
@@ -0,0 +1,76 @@
+using MediaBrowser.Model.Logging;
+using System;
+using System.Diagnostics;
+
+namespace MediaBrowser.Controller.Library
+{
+    /// <summary>
+    /// Class Profiler
+    /// </summary>
+    public class Profiler : IDisposable
+    {
+        /// <summary>
+        /// The name
+        /// </summary>
+        readonly string _name;
+        /// <summary>
+        /// The stopwatch
+        /// </summary>
+        readonly Stopwatch _stopwatch;
+
+        /// <summary>
+        /// The _logger
+        /// </summary>
+        private readonly ILogger _logger;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Profiler" /> class.
+        /// </summary>
+        /// <param name="name">The name.</param>
+        /// <param name="logger">The logger.</param>
+        public Profiler(string name, ILogger logger)
+        {
+            this._name = name;
+
+            _logger = logger;
+
+            _stopwatch = new Stopwatch();
+            _stopwatch.Start();
+        }
+        #region IDisposable Members
+
+        /// <summary>
+        /// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
+        /// </summary>
+        public void Dispose()
+        {
+            Dispose(true);
+        }
+
+        /// <summary>
+        /// Releases unmanaged and - optionally - managed resources.
+        /// </summary>
+        /// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
+        protected virtual void Dispose(bool dispose)
+        {
+            if (dispose)
+            {
+                _stopwatch.Stop();
+                string message;
+                if (_stopwatch.ElapsedMilliseconds > 300000)
+                {
+                    message = string.Format("{0} took {1} minutes.",
+                        _name, ((float)_stopwatch.ElapsedMilliseconds / 60000).ToString("F"));
+                }
+                else
+                {
+                    message = string.Format("{0} took {1} seconds.",
+                        _name, ((float)_stopwatch.ElapsedMilliseconds / 1000).ToString("#0.000"));
+                }
+                _logger.Info(message);
+            }
+        }
+
+        #endregion
+    }
+}
diff --git a/MediaBrowser.Controller/Library/SearchHintInfo.cs b/MediaBrowser.Controller/Library/SearchHintInfo.cs
new file mode 100644
index 000000000..f832811c2
--- /dev/null
+++ b/MediaBrowser.Controller/Library/SearchHintInfo.cs
@@ -0,0 +1,22 @@
+using MediaBrowser.Controller.Entities;
+
+namespace MediaBrowser.Controller.Library
+{
+    /// <summary>
+    /// Class SearchHintInfo
+    /// </summary>
+    public class SearchHintInfo
+    {
+        /// <summary>
+        /// Gets or sets the item.
+        /// </summary>
+        /// <value>The item.</value>
+        public BaseItem Item { get; set; }
+
+        /// <summary>
+        /// Gets or sets the matched term.
+        /// </summary>
+        /// <value>The matched term.</value>
+        public string MatchedTerm { get; set; }
+    }
+}
diff --git a/MediaBrowser.Controller/Library/TVUtils.cs b/MediaBrowser.Controller/Library/TVUtils.cs
new file mode 100644
index 000000000..dc95ba112
--- /dev/null
+++ b/MediaBrowser.Controller/Library/TVUtils.cs
@@ -0,0 +1,59 @@
+using System;
+using System.Collections.Generic;
+
+namespace MediaBrowser.Controller.Library
+{
+    /// <summary>
+    /// Class TVUtils
+    /// </summary>
+    public static class TVUtils
+    {
+        /// <summary>
+        /// The TVDB API key
+        /// </summary>
+        public static readonly string TvdbApiKey = "B89CE93890E9419B";
+        public static readonly string TvdbBaseUrl = "https://www.thetvdb.com/";
+        /// <summary>
+        /// The banner URL
+        /// </summary>
+        public static readonly string BannerUrl = TvdbBaseUrl + "banners/";
+
+        /// <summary>
+        /// Gets the air days.
+        /// </summary>
+        /// <param name="day">The day.</param>
+        /// <returns>List{DayOfWeek}.</returns>
+        public static DayOfWeek[] GetAirDays(string day)
+        {
+            if (!string.IsNullOrEmpty(day))
+            {
+                if (string.Equals(day, "Daily", StringComparison.OrdinalIgnoreCase))
+                {
+                    return new DayOfWeek[]
+                               {
+                                   DayOfWeek.Sunday,
+                                   DayOfWeek.Monday,
+                                   DayOfWeek.Tuesday,
+                                   DayOfWeek.Wednesday,
+                                   DayOfWeek.Thursday,
+                                   DayOfWeek.Friday,
+                                   DayOfWeek.Saturday
+                               };
+                }
+
+                DayOfWeek value;
+
+                if (Enum.TryParse(day, true, out value))
+                {
+                    return new DayOfWeek[]
+                               {
+                                   value
+                               };
+                }
+
+                return new DayOfWeek[]{};
+            }
+            return null;
+        }
+    }
+}
diff --git a/MediaBrowser.Controller/Library/UserDataSaveEventArgs.cs b/MediaBrowser.Controller/Library/UserDataSaveEventArgs.cs
new file mode 100644
index 000000000..d921a7077
--- /dev/null
+++ b/MediaBrowser.Controller/Library/UserDataSaveEventArgs.cs
@@ -0,0 +1,39 @@
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Model.Entities;
+using System;
+using System.Collections.Generic;
+
+namespace MediaBrowser.Controller.Library
+{
+    /// <summary>
+    /// Class UserDataSaveEventArgs
+    /// </summary>
+    public class UserDataSaveEventArgs : EventArgs
+    {
+        /// <summary>
+        /// Gets or sets the user id.
+        /// </summary>
+        /// <value>The user id.</value>
+        public Guid UserId { get; set; }
+
+        public List<string> Keys { get; set; }
+
+        /// <summary>
+        /// Gets or sets the save reason.
+        /// </summary>
+        /// <value>The save reason.</value>
+        public UserDataSaveReason SaveReason { get; set; }
+
+        /// <summary>
+        /// Gets or sets the user data.
+        /// </summary>
+        /// <value>The user data.</value>
+        public UserItemData UserData { get; set; }
+
+        /// <summary>
+        /// Gets or sets the item.
+        /// </summary>
+        /// <value>The item.</value>
+        public BaseItem Item { get; set; }
+    }
+}
-- 
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