1 files changed, 153 insertions, 0 deletions
diff --git a/app/src/main/java/github/daneren2005/dsub/service/sync/PlaylistSyncAdapter.java b/app/src/main/java/github/daneren2005/dsub/service/sync/PlaylistSyncAdapter.java
new file mode 100644
index 00000000..a0996628
--- /dev/null
+++ b/app/src/main/java/github/daneren2005/dsub/service/sync/PlaylistSyncAdapter.java
@@ -0,0 +1,153 @@
+/*
+ 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));
+		}
+	}
+}