2014-03-30 12:49:40 -04:00
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Entities.Audio;
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using MediaBrowser.Controller.Library;
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2014-12-12 22:56:30 -05:00
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using MediaBrowser.Controller.Playlists;
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2014-03-30 12:49:40 -04:00
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using MediaBrowser.Controller.Dto;
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using MediaBrowser.Model.Querying;
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2014-03-30 12:49:40 -04:00
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namespace Emby.Server.Implementations.Library
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2014-03-30 12:49:40 -04:00
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{
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public class MusicManager : IMusicManager
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{
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private readonly ILibraryManager _libraryManager;
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public MusicManager(ILibraryManager libraryManager)
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{
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_libraryManager = libraryManager;
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}
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public IEnumerable<Audio> GetInstantMixFromSong(Audio item, User user, DtoOptions dtoOptions)
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{
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var list = new List<Audio>
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{
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item
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};
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return list.Concat(GetInstantMixFromGenres(item.Genres, user, dtoOptions));
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}
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public IEnumerable<Audio> GetInstantMixFromArtist(MusicArtist item, User user, DtoOptions dtoOptions)
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{
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return GetInstantMixFromGenres(item.Genres, user, dtoOptions);
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}
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public IEnumerable<Audio> GetInstantMixFromAlbum(MusicAlbum item, User user, DtoOptions dtoOptions)
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{
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return GetInstantMixFromGenres(item.Genres, user, dtoOptions);
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}
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public IEnumerable<Audio> GetInstantMixFromFolder(Folder item, User user, DtoOptions dtoOptions)
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{
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var genres = item
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.GetRecursiveChildren(user, new InternalItemsQuery(user)
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{
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IncludeItemTypes = new[] { typeof(Audio).Name },
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DtoOptions = dtoOptions
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})
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.Cast<Audio>()
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.SelectMany(i => i.Genres)
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.Concat(item.Genres)
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.DistinctNames();
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return GetInstantMixFromGenres(genres, user, dtoOptions);
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}
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public IEnumerable<Audio> GetInstantMixFromPlaylist(Playlist item, User user, DtoOptions dtoOptions)
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{
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return GetInstantMixFromGenres(item.Genres, user, dtoOptions);
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}
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public IEnumerable<Audio> GetInstantMixFromGenres(IEnumerable<string> genres, User user, DtoOptions dtoOptions)
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{
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var genreIds = genres.DistinctNames().Select(i =>
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{
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try
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{
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return _libraryManager.GetMusicGenre(i).Id.ToString("N");
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}
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catch
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{
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return null;
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}
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}).Where(i => i != null);
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return GetInstantMixFromGenreIds(genreIds, user, dtoOptions);
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}
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public IEnumerable<Audio> GetInstantMixFromGenreIds(IEnumerable<string> genreIds, User user, DtoOptions dtoOptions)
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{
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return _libraryManager.GetItemList(new InternalItemsQuery(user)
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2015-10-19 11:33:49 -04:00
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{
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IncludeItemTypes = new[] { typeof(Audio).Name },
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GenreIds = genreIds.ToArray(),
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Limit = 200,
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SortBy = new[] { ItemSortBy.Random },
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DtoOptions = dtoOptions
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2014-03-30 12:49:40 -04:00
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}).Cast<Audio>();
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}
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public IEnumerable<Audio> GetInstantMixFromItem(BaseItem item, User user, DtoOptions dtoOptions)
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{
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var genre = item as MusicGenre;
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if (genre != null)
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{
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return GetInstantMixFromGenreIds(new[] { item.Id.ToString("N") }, user, dtoOptions);
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}
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var playlist = item as Playlist;
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if (playlist != null)
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{
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return GetInstantMixFromPlaylist(playlist, user, dtoOptions);
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}
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var album = item as MusicAlbum;
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if (album != null)
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{
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return GetInstantMixFromAlbum(album, user, dtoOptions);
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}
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var artist = item as MusicArtist;
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if (artist != null)
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{
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return GetInstantMixFromArtist(artist, user, dtoOptions);
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}
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var song = item as Audio;
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if (song != null)
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{
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return GetInstantMixFromSong(song, user, dtoOptions);
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2015-01-26 11:47:15 -05:00
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}
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2015-08-28 00:19:08 -04:00
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var folder = item as Folder;
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if (folder != null)
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{
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return GetInstantMixFromFolder(folder, user, dtoOptions);
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2015-08-28 00:19:08 -04:00
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}
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2015-10-19 11:33:49 -04:00
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2015-01-26 11:47:15 -05:00
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return new Audio[] { };
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}
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2014-03-30 12:49:40 -04:00
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}
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}
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