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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.dsub.service.sync;
import android.annotation.TargetApi;
import android.content.Context;
import android.util.Log;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import github.daneren2005.dsub.R;
import github.daneren2005.dsub.domain.MusicDirectory;
import github.daneren2005.dsub.domain.Playlist;
import github.daneren2005.dsub.service.DownloadFile;
import github.daneren2005.dsub.service.parser.SubsonicRESTException;
import github.daneren2005.dsub.util.FileUtil;
import github.daneren2005.dsub.util.Notifications;
import github.daneren2005.dsub.util.SyncUtil;
import github.daneren2005.dsub.util.SyncUtil.SyncSet;
import github.daneren2005.dsub.util.Util;
/**
* Created by Scott on 8/28/13.
*/
public class PlaylistSyncAdapter extends SubsonicSyncAdapter {
private static String TAG = PlaylistSyncAdapter.class.getSimpleName();
// Update playlists every day to make sure they are still valid
private static int MAX_PLAYLIST_AGE = 24;
public PlaylistSyncAdapter(Context context, boolean autoInitialize) {
super(context, autoInitialize);
}
@TargetApi(14)
public PlaylistSyncAdapter(Context context, boolean autoInitialize, boolean allowParallelSyncs) {
super(context, autoInitialize, allowParallelSyncs);
}
@Override
public void onExecuteSync(Context context, int instance) {
String serverName = Util.getServerName(context, instance);
List<Playlist> remainder = null;
try {
// Just update playlist listings so user doesn't have to
remainder = musicService.getPlaylists(true, context, null);
} catch(Exception e) {
Log.e(TAG, "Failed to refresh playlist list for " + serverName);
}
ArrayList<SyncSet> playlistList = SyncUtil.getSyncedPlaylists(context, instance);
List<String> updated = new ArrayList<String>();
boolean removed = false;
for(int i = 0; i < playlistList.size(); i++) {
SyncSet cachedPlaylist = playlistList.get(i);
String id = cachedPlaylist.id;
// Remove playlist from remainder list
if(remainder != null) {
remainder.remove(new Playlist(id, ""));
}
try {
MusicDirectory playlist = musicService.getPlaylist(true, id, serverName, context, null);
// Get list of original paths
List<String> origPathList = new ArrayList<String>();
if(cachedPlaylist.synced != null) {
origPathList.addAll(cachedPlaylist.synced);
} else {
cachedPlaylist.synced = new ArrayList<String>();
}
for(MusicDirectory.Entry entry: playlist.getChildren()) {
DownloadFile file = new DownloadFile(context, entry, true);
String path = file.getCompleteFile().getPath();
while(!file.isSaved() && !file.isFailedMax()) {
file.downloadNow(musicService);
if(file.isSaved() && !updated.contains(playlist.getName())) {
updated.add(playlist.getName());
}
}
// Add to cached path set if saved
if(file.isSaved() && !cachedPlaylist.synced.contains(path)) {
cachedPlaylist.synced.add(path);
}
origPathList.remove(path);
}
// Check to unpin all paths which are no longer in playlist
if(origPathList.size() > 0) {
for(String path: origPathList) {
File saveFile = new File(path);
FileUtil.unpinSong(context, saveFile);
cachedPlaylist.synced.remove(path);
}
removed = true;
}
} catch(SubsonicRESTException e) {
if(e.getCode() == 70) {
SyncUtil.removeSyncedPlaylist(context, id, instance);
Log.i(TAG, "Unsync deleted playlist " + id + " for " + serverName);
}
} catch(Exception e) {
Log.e(TAG, "Failed to get playlist " + id + " for " + serverName, e);
}
if(updated.size() > 0 || removed) {
SyncUtil.setSyncedPlaylists(context, instance, playlistList);
}
}
// For remaining playlists, check to make sure they have been updated recently
if(remainder != null) {
for (Playlist playlist : remainder) {
MusicDirectory dir = FileUtil.deserialize(context, Util.getCacheName(context, instance, "playlist", playlist.getId()), MusicDirectory.class, MAX_PLAYLIST_AGE);
if (dir == null) {
try {
musicService.getPlaylist(true, playlist.getId(), serverName, context, null);
} catch(Exception e) {
Log.w(TAG, "Failed to update playlist for " + playlist.getName());
}
}
}
}
if(updated.size() > 0) {
Notifications.showSyncNotification(context, R.string.sync_new_playlists, SyncUtil.joinNames(updated));
}
}
}
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