public IList<WebChannelGroup> GetRadioGroupsByRange(int start, int end, string filter = null, WebSortField? sort = WebSortField.User, WebSortOrder? order = WebSortOrder.Asc)
 {
     return RadioChannelGroup.ListAll().Select(chg => chg.ToWebChannelGroup()).Filter(filter).SortGroupList(sort, order).TakeRange(start, end).ToList();
 }

 public IList<WebActor> GetTVShowActorsByRange(int? provider, int start, int end, string filter = null, WebSortField? sort = WebSortField.Title, WebSortOrder? order = WebSortOrder.Asc)
 {
     return TVShowLibraries[provider].GetAllTVShowsBasic().AsQueryable().SelectMany(x => x.Actors).Distinct().Filter(filter).SortMediaItemList(sort, order, WebSortField.Title).TakeRange(start, end).Finalize(provider, ProviderType.TVShow);
 }

 public IList<WebTVShowBasic> GetTVShowsBasic(int? provider, string filter = null, WebSortField? sort = WebSortField.Title, WebSortOrder? order = WebSortOrder.Asc)
 {
     return TVShowLibraries[provider].GetAllTVShowsBasic().AsQueryable().Filter(filter).SortMediaItemList(sort, order).Finalize(provider, ProviderType.TVShow);
 }

 public IList<WebTVEpisodeBasic> GetTVEpisodesBasicForTVShow(int? provider, string id, WebSortField? sort = WebSortField.TVEpisodeNumber, WebSortOrder? order = WebSortOrder.Asc)
 {
     return TVShowLibraries[provider].GetAllEpisodesBasic().AsQueryable().Where(p => p.ShowId == id).SortMediaItemList(sort, order, WebSortField.TVEpisodeNumber).Finalize(provider, ProviderType.TVShow);
 }

 public IList<WebTVEpisodeDetailed> GetTVEpisodesDetailedForTVShowByRange(int? provider, string id, int start, int end, WebSortField? sort = WebSortField.TVEpisodeNumber, WebSortOrder? order = WebSortOrder.Asc)
 {
     return TVShowLibraries[provider].GetAllEpisodesDetailed().AsQueryable().Where(p => p.ShowId == id).SortMediaItemList(sort, order, WebSortField.TVEpisodeNumber).TakeRange(start, end - start).Finalize(provider, ProviderType.TVShow);
 }

 public IList<WebPictureDetailed> GetPicturesDetailed(int? provider, WebSortField? sort = WebSortField.Title, WebSortOrder? order = WebSortOrder.Asc)
 {
     return PictureLibraries[provider].GetAllPicturesDetailed().AsQueryable().SortMediaItemList(sort, order).Finalize(provider, ProviderType.Picture);
 }

 public IList<WebPlaylistItem> GetPlaylistItemsByRange(int? provider, string playlistId, int start, int end, WebSortField? sort = WebSortField.Title, WebSortOrder? order = WebSortOrder.Asc)
 {
     return GetAllPlaylistItems(provider, playlistId).AsQueryable().TakeRange(start, end).Finalize(provider, ProviderType.Music);
 }

 public IList<WebFileBasic> GetFileSystemFiles(int? provider, string id, WebSortField? sort = WebSortField.Title, WebSortOrder? order = WebSortOrder.Asc)
 {
     return FileSystemLibraries[provider].GetFilesListing(id).AsQueryable().SortMediaItemList(sort, order).Finalize(provider, ProviderType.Filesystem).ToList();
 }

 public IList<WebFilesystemItem> GetFileSystemFilesAndFoldersByRange(int? provider, string id, int start, int end, WebSortField? sort = WebSortField.Title, WebSortOrder? order = WebSortOrder.Asc)
 {
     var listA = FileSystemLibraries[provider].GetFilesListing(id).AsQueryable().Select(x => x.ToWebFilesystemItem());
     var listB = FileSystemLibraries[provider].GetFoldersListing(id).AsQueryable().Select(x => x.ToWebFilesystemItem());
     return listA.Concat(listB).SortMediaItemList(sort, order).TakeRange(start, end).Finalize(provider, ProviderType.Filesystem).ToList();
 }

 public IList<WebScheduleBasic> GetSchedulesByRange(int start, int end, string filter = null, WebSortField? sort = WebSortField.Title, WebSortOrder? order = WebSortOrder.Asc)
 {
     return Schedule.ListAll().Select(s => s.ToWebSchedule()).Filter(filter).SortScheduleList(sort, order).TakeRange(start, end).ToList();
 }

 private IEnumerable<Channel> GetRadioChannels(int? groupId, WebSortField? sort, WebSortOrder? order)
 {
     return groupId == null ?
         (IEnumerable<Channel>)Channel.ListAll().Where(ch => ch.IsRadio).OrderBy(ch => sort == WebSortField.User ? ch.SortOrder : 1, order) :
         (IEnumerable<Channel>)_tvBusiness.GetRadioGuideChannelsForGroup(groupId.Value);
 }

 public IList<WebScheduledRecording> GetScheduledRecordingsForToday(string filter = null, WebSortField? sort = WebSortField.Title, WebSortOrder? order = WebSortOrder.Asc)
 {
     return GetScheduledRecordingsForDate(DateTime.Today, filter, sort, order);
 }

 public IList<WebScheduledRecording> GetScheduledRecordingsForDate(DateTime date, string filter = null, WebSortField? sort = WebSortField.Title, WebSortOrder? order = WebSortOrder.Asc)
 {
     return Schedule.ListAll().Select(x => GetScheduledRecording(x, date)).Where(x => x != null).Filter(filter).SortScheduledRecordingList(sort, order).ToList();
 }

 public IList<WebRecordingBasic> GetRecordingsByRange(int start, int end, string filter = null, WebSortField? sort = WebSortField.Title, WebSortOrder? order = WebSortOrder.Asc)
 {
     return Recording.ListAll().Select(rec => rec.ToWebRecording()).Filter(filter).SortRecordingList(sort, order).TakeRange(start, end).ToList();
 }

 public IList<WebMusicTrackDetailed> GetMusicTracksDetailed(int? provider, string filter = null, WebSortField? sort = WebSortField.Title, WebSortOrder? order = WebSortOrder.Asc)
 {
     return MusicLibraries[provider].GetAllTracksDetailed().AsQueryable().Filter(filter).SortMediaItemList(sort, order).Finalize(provider, ProviderType.Music);
 }

 public IList<WebFolderBasic> GetFileSystemFoldersByRange(int? provider, string id, int start, int end, WebSortField? sort = WebSortField.Title, WebSortOrder? order = WebSortOrder.Asc)
 {
     return FileSystemLibraries[provider].GetFoldersListing(id).AsQueryable().SortMediaItemList(sort, order).TakeRange(start, end).Finalize(provider, ProviderType.Filesystem).ToList();
 }

 public IList<WebMusicTrackDetailed> GetMusicTracksDetailedForArtist(int? provider, string id, WebSortField? sort = WebSortField.Title, WebSortOrder? order = WebSortOrder.Asc)
 {
     return MusicLibraries[provider].GetAllTracksDetailed().AsQueryable().Where(p => p.ArtistId.Contains(id)).SortMediaItemList(sort, order).Finalize(provider, ProviderType.Music);
 }

 public IList<WebActor> GetMovieActors(int? provider, string filter = null, WebSortField? sort = WebSortField.Title, WebSortOrder? order = WebSortOrder.Asc)
 {
     return MovieLibraries[provider].GetAllMovies().AsQueryable().SelectMany(x => x.Actors).Distinct().Filter(filter).SortMediaItemList(sort, order, WebSortField.Title).Finalize(provider, ProviderType.Movie);
 }

 public IList<Interfaces.Playlist.WebPlaylistItem> GetPlaylistItems(int? provider, string playlistId, WebSortField? sort = WebSortField.Title, WebSortOrder? order = WebSortOrder.Asc)
 {
     return PlaylistLibraries[provider].GetPlaylistItems(playlistId).Finalize(provider, ProviderType.Music);
 }

 public IList<WebCategory> GetMovieCategories(int? provider, WebSortField? sort = WebSortField.Title, WebSortOrder? order = WebSortOrder.Asc)
 {
     return MovieLibraries[provider].GetAllCategories().AsQueryable().SortMediaItemList(sort, order).Finalize(provider, ProviderType.Movie);
 }