/* This file is part of Subsonic. Subsonic is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. Subsonic is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Subsonic. If not, see . Copyright 2009 (C) Sindre Mehus */ package github.daneren2005.subphonic.service; import java.io.File; import java.io.FileInputStream; import java.io.InputStream; import java.io.Reader; import java.io.FileReader; import java.util.ArrayList; import java.util.Collections; import java.util.HashSet; import java.util.LinkedList; import java.util.List; import java.util.Random; import java.util.Set; import android.content.Context; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import github.daneren2005.subphonic.domain.Artist; import github.daneren2005.subphonic.domain.Indexes; import github.daneren2005.subphonic.domain.JukeboxStatus; import github.daneren2005.subphonic.domain.Lyrics; import github.daneren2005.subphonic.domain.MusicDirectory; import github.daneren2005.subphonic.domain.MusicFolder; import github.daneren2005.subphonic.domain.Playlist; import github.daneren2005.subphonic.domain.SearchCritera; import github.daneren2005.subphonic.domain.SearchResult; import github.daneren2005.subphonic.service.parser.PlaylistParser; import github.daneren2005.subphonic.util.Constants; import github.daneren2005.subphonic.util.FileUtil; import github.daneren2005.subphonic.util.ProgressListener; import github.daneren2005.subphonic.util.Util; /** * @author Sindre Mehus */ public class OfflineMusicService extends RESTMusicService { @Override public boolean isLicenseValid(Context context, ProgressListener progressListener) throws Exception { return true; } @Override public Indexes getIndexes(String musicFolderId, boolean refresh, Context context, ProgressListener progressListener) throws Exception { List artists = new ArrayList(); File root = FileUtil.getMusicDirectory(context); for (File file : FileUtil.listFiles(root)) { if (file.isDirectory()) { Artist artist = new Artist(); artist.setId(file.getPath()); artist.setIndex(file.getName().substring(0, 1)); artist.setName(file.getName()); artists.add(artist); } } return new Indexes(0L, Collections.emptyList(), artists); } @Override public MusicDirectory getMusicDirectory(String id, boolean refresh, Context context, ProgressListener progressListener) throws Exception { File dir = new File(id); MusicDirectory result = new MusicDirectory(); result.setName(dir.getName()); Set names = new HashSet(); for (File file : FileUtil.listMusicFiles(dir)) { String name = getName(file); if (name != null & !names.contains(name)) { names.add(name); result.addChild(createEntry(context, file, name)); } } return result; } private String getName(File file) { String name = file.getName(); if (file.isDirectory()) { return name; } if (name.endsWith(".partial") || name.contains(".partial.") || name.equals(Constants.ALBUM_ART_FILE)) { return null; } name = name.replace(".complete", ""); return FileUtil.getBaseName(name); } private MusicDirectory.Entry createEntry(Context context, File file, String name) { MusicDirectory.Entry entry = new MusicDirectory.Entry(); entry.setDirectory(file.isDirectory()); entry.setId(file.getPath()); entry.setParent(file.getParent()); entry.setSize(file.length()); String root = FileUtil.getMusicDirectory(context).getPath(); entry.setPath(file.getPath().replaceFirst("^" + root + "/" , "")); if (file.isFile()) { entry.setArtist(file.getParentFile().getParentFile().getName()); entry.setAlbum(file.getParentFile().getName()); } entry.setTitle(name); entry.setSuffix(FileUtil.getExtension(file.getName().replace(".complete", ""))); File albumArt = FileUtil.getAlbumArtFile(context, entry); if (albumArt.exists()) { entry.setCoverArt(albumArt.getPath()); } return entry; } @Override public Bitmap getCoverArt(Context context, MusicDirectory.Entry entry, int size, boolean saveToFile, ProgressListener progressListener) throws Exception { InputStream in = new FileInputStream(entry.getCoverArt()); try { byte[] bytes = Util.toByteArray(in); Bitmap bitmap = BitmapFactory.decodeByteArray(bytes, 0, bytes.length); return Bitmap.createScaledBitmap(bitmap, size, size, true); } finally { Util.close(in); } } @Override public List getMusicFolders(boolean refresh, Context context, ProgressListener progressListener) throws Exception { throw new OfflineException("Music folders not available in offline mode"); } @Override public SearchResult search(SearchCritera criteria, Context context, ProgressListener progressListener) throws Exception { throw new OfflineException("Search not available in offline mode"); } @Override public List getPlaylists(boolean refresh, Context context, ProgressListener progressListener) throws Exception { List playlists = new ArrayList(); File root = FileUtil.getPlaylistDirectory(); for (File file : FileUtil.listFiles(root)) { Playlist playlist = new Playlist(file.getName(), file.getName()); playlists.add(playlist); } return playlists; } @Override public MusicDirectory getPlaylist(String id, String name, Context context, ProgressListener progressListener) throws Exception { DownloadService downloadService = DownloadServiceImpl.getInstance(); if (downloadService == null) { return new MusicDirectory(); } Reader reader = null; try { reader = new FileReader(FileUtil.getPlaylistFile(name)); MusicDirectory fullList = new PlaylistParser(context).parse(reader, progressListener); MusicDirectory playlist = new MusicDirectory(); for(MusicDirectory.Entry song: fullList.getChildren()) { DownloadFile downloadFile = downloadService.forSong(song); File completeFile = downloadFile.getCompleteFile(); if(completeFile.exists()) { playlist.addChild(song); } } return playlist; } finally { Util.close(reader); } } @Override public void createPlaylist(String id, String name, List entries, Context context, ProgressListener progressListener) throws Exception { throw new OfflineException("Playlists not available in offline mode"); } @Override public Lyrics getLyrics(String artist, String title, Context context, ProgressListener progressListener) throws Exception { throw new OfflineException("Lyrics not available in offline mode"); } @Override public void scrobble(String id, boolean submission, Context context, ProgressListener progressListener) throws Exception { throw new OfflineException("Scrobbling not available in offline mode"); } @Override public MusicDirectory getAlbumList(String type, int size, int offset, Context context, ProgressListener progressListener) throws Exception { throw new OfflineException("Album lists not available in offline mode"); } @Override public String getVideoUrl(Context context, String id) { return null; } @Override public JukeboxStatus updateJukeboxPlaylist(List ids, Context context, ProgressListener progressListener) throws Exception { throw new OfflineException("Jukebox not available in offline mode"); } @Override public JukeboxStatus skipJukebox(int index, int offsetSeconds, Context context, ProgressListener progressListener) throws Exception { throw new OfflineException("Jukebox not available in offline mode"); } @Override public JukeboxStatus stopJukebox(Context context, ProgressListener progressListener) throws Exception { throw new OfflineException("Jukebox not available in offline mode"); } @Override public JukeboxStatus startJukebox(Context context, ProgressListener progressListener) throws Exception { throw new OfflineException("Jukebox not available in offline mode"); } @Override public JukeboxStatus getJukeboxStatus(Context context, ProgressListener progressListener) throws Exception { throw new OfflineException("Jukebox not available in offline mode"); } @Override public JukeboxStatus setJukeboxGain(float gain, Context context, ProgressListener progressListener) throws Exception { throw new OfflineException("Jukebox not available in offline mode"); } @Override public MusicDirectory getRandomSongs(int size, Context context, ProgressListener progressListener) throws Exception { File root = FileUtil.getMusicDirectory(context); List children = new LinkedList(); listFilesRecursively(root, children); MusicDirectory result = new MusicDirectory(); if (children.isEmpty()) { return result; } Random random = new Random(); for (int i = 0; i < size; i++) { File file = children.get(random.nextInt(children.size())); result.addChild(createEntry(context, file, getName(file))); } return result; } private void listFilesRecursively(File parent, List children) { for (File file : FileUtil.listMusicFiles(parent)) { if (file.isFile()) { children.add(file); } else { listFilesRecursively(file, children); } } } }