1 files changed, 340 insertions, 0 deletions
diff --git a/subsonic-android/src/github/daneren2005/subdroid/service/OfflineMusicService.java b/subsonic-android/src/github/daneren2005/subdroid/service/OfflineMusicService.java
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+++ b/subsonic-android/src/github/daneren2005/subdroid/service/OfflineMusicService.java
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+/*
+ 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 <http://www.gnu.org/licenses/>.
+
+ Copyright 2009 (C) Sindre Mehus
+ */
+package github.daneren2005.subdroid.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.subdroid.domain.Artist;
+import github.daneren2005.subdroid.domain.Indexes;
+import github.daneren2005.subdroid.domain.JukeboxStatus;
+import github.daneren2005.subdroid.domain.Lyrics;
+import github.daneren2005.subdroid.domain.MusicDirectory;
+import github.daneren2005.subdroid.domain.MusicFolder;
+import github.daneren2005.subdroid.domain.Playlist;
+import github.daneren2005.subdroid.domain.SearchCritera;
+import github.daneren2005.subdroid.domain.SearchResult;
+import github.daneren2005.subdroid.service.parser.PlaylistParser;
+import github.daneren2005.subdroid.util.Constants;
+import github.daneren2005.subdroid.util.FileUtil;
+import github.daneren2005.subdroid.util.ProgressListener;
+import github.daneren2005.subdroid.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<Artist> artists = new ArrayList<Artist>();
+        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.<Artist>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<String> names = new HashSet<String>();
+
+        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<MusicFolder> 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 {
+		List<Artist> artists = new ArrayList<Artist>();
+		List<MusicDirectory.Entry> albums = new ArrayList<MusicDirectory.Entry>();
+		List<MusicDirectory.Entry> songs = new ArrayList<MusicDirectory.Entry>();
+        File root = FileUtil.getMusicDirectory(context);
+        for (File artistFile : FileUtil.listFiles(root)) {
+			String artistName = artistFile.getName();
+            if (artistFile.isDirectory()) {
+				if(matchCriteria(criteria, artistName)) {
+					Artist artist = new Artist();
+					artist.setId(artistFile.getPath());
+					artist.setIndex(artistFile.getName().substring(0, 1));
+					artist.setName(artistName);
+					artists.add(artist);
+				}
+				
+				recursiveAlbumSearch(artistName, artistFile, criteria, context, albums, songs);
+            }
+        }
+		
+		return new SearchResult(artists, albums, songs);
+    }
+	
+	private void recursiveAlbumSearch(String artistName, File file, SearchCritera criteria, Context context, List<MusicDirectory.Entry> albums, List<MusicDirectory.Entry> songs) {
+		for(File albumFile : FileUtil.listMusicFiles(file)) {
+			if(albumFile.isDirectory()) {
+				String albumName = getName(albumFile);
+				if(matchCriteria(criteria, albumName)) {
+					MusicDirectory.Entry album = createEntry(context, albumFile, albumName);
+					album.setArtist(artistName);
+					albums.add(album);
+				}
+
+				for(File songFile : FileUtil.listMusicFiles(albumFile)) {
+					String songName = getName(songFile);
+					if(songFile.isDirectory()) {
+						recursiveAlbumSearch(artistName, songFile, criteria, context, albums, songs);
+					}
+					else if(matchCriteria(criteria, songName)){
+						MusicDirectory.Entry song = createEntry(context, albumFile, songName);
+						song.setArtist(artistName);
+						song.setAlbum(albumName);
+						songs.add(song);
+					}
+				}
+			}
+			else {
+				String songName = getName(albumFile);
+				if(matchCriteria(criteria, songName)) {
+					MusicDirectory.Entry song = createEntry(context, albumFile, songName);
+					song.setArtist(artistName);
+					song.setAlbum(songName);
+					songs.add(song);
+				}
+			}
+		}
+	}
+	private boolean matchCriteria(SearchCritera criteria, String name) {
+		String query = criteria.getQuery().toLowerCase();
+		String[] parts = query.split(" ");
+		name = name.toLowerCase();
+		
+		for(String part : parts) {
+			if(name.indexOf(part) != -1) {
+				return true;
+			}
+		}
+		
+		return false;
+	}
+
+    @Override
+    public List<Playlist> getPlaylists(boolean refresh, Context context, ProgressListener progressListener) throws Exception {
+        List<Playlist> playlists = new ArrayList<Playlist>();
+        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<MusicDirectory.Entry> 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<String> 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<File> children = new LinkedList<File>();
+        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<File> children) {
+        for (File file : FileUtil.listMusicFiles(parent)) {
+            if (file.isFile()) {
+                children.add(file);
+            } else {
+                listFilesRecursively(file, children);
+            }
+        }
+    }
+}