Added options to remove songs from playlists

5 files changed, 102 insertions, 11 deletions

diff --git a/subsonic-android/src/github/daneren2005/dsub/activity/SelectAlbumActivity.java b/subsonic-android/src/github/daneren2005/dsub/activity/SelectAlbumActivity.java
index fea1cfd0..891c2edd 100644
--- a/subsonic-android/src/github/daneren2005/dsub/activity/SelectAlbumActivity.java
+++ b/subsonic-android/src/github/daneren2005/dsub/activity/SelectAlbumActivity.java
@@ -34,16 +34,11 @@ import android.widget.*;
 import com.actionbarsherlock.view.Menu;
 import github.daneren2005.dsub.R;
 import github.daneren2005.dsub.domain.MusicDirectory;
-import github.daneren2005.dsub.service.DownloadFile;
-import github.daneren2005.dsub.service.MusicService;
-import github.daneren2005.dsub.service.MusicServiceFactory;
+import github.daneren2005.dsub.service.*;
 import github.daneren2005.dsub.util.*;
 import java.io.File;
 
-import java.util.ArrayList;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
+import java.util.*;
 
 public class SelectAlbumActivity extends SubsonicTabActivity {
 
@@ -115,10 +110,17 @@ public class SelectAlbumActivity extends SubsonicTabActivity {
 			inflater.inflate(R.menu.select_album, menu);
 			hideButtons = false;
 		} else {
-			if(Util.isOffline(this))
+			if(Util.isOffline(this)) {
 				inflater.inflate(R.menu.select_song_offline, menu);
-			else
+			}
+			else {
 				inflater.inflate(R.menu.select_song, menu);
+				
+				String playlistId = getIntent().getStringExtra(Constants.INTENT_EXTRA_NAME_PLAYLIST_ID);
+				if(playlistId == null) {
+					menu.removeItem(R.id.menu_remove_playlist);
+				}
+			}
 		}
         return true;
     }
@@ -157,6 +159,11 @@ public class SelectAlbumActivity extends SubsonicTabActivity {
 			case R.id.menu_add_playlist:
 				addToPlaylist(getSelectedSongs());
 				return true;
+			case R.id.menu_remove_playlist:
+				String playlistId = getIntent().getStringExtra(Constants.INTENT_EXTRA_NAME_PLAYLIST_ID);
+				String playlistName = getIntent().getStringExtra(Constants.INTENT_EXTRA_NAME_PLAYLIST_NAME);
+				removeFromPlaylist(playlistId, playlistName, getSelectedIndexes());
+				return true;
             case R.id.menu_exit:
                 intent = new Intent(this, MainActivity.class);
                 intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
@@ -226,10 +233,16 @@ public class SelectAlbumActivity extends SubsonicTabActivity {
 				inflater.inflate(R.menu.select_album_context, menu);
         } else if(!entry.isVideo()) {
             MenuInflater inflater = getMenuInflater();
-			if(Util.isOffline(this))
+			if(Util.isOffline(this)) {
 				inflater.inflate(R.menu.select_song_context_offline, menu);
-			else
+			}
+			else {
 				inflater.inflate(R.menu.select_song_context, menu);
+				String playlistId = getIntent().getStringExtra(Constants.INTENT_EXTRA_NAME_PLAYLIST_ID);
+				if(playlistId == null) {
+					menu.removeItem(R.id.song_menu_remove_playlist);
+				}
+			}
         } else {
 			MenuInflater inflater = getMenuInflater();
 			if(Util.isOffline(this))
@@ -298,6 +311,11 @@ public class SelectAlbumActivity extends SubsonicTabActivity {
 			case R.id.song_menu_play_external:
 				playExternalPlayer(entry);
 				break;
+			case R.id.song_menu_remove_playlist:
+				String playlistId = getIntent().getStringExtra(Constants.INTENT_EXTRA_NAME_PLAYLIST_ID);
+				String playlistName = getIntent().getStringExtra(Constants.INTENT_EXTRA_NAME_PLAYLIST_NAME);
+				removeFromPlaylist(playlistId, playlistName, Arrays.<Integer>asList(info.position - 1));
+				break;
             default:
                 return super.onContextItemSelected(menuItem);
         }
@@ -425,6 +443,19 @@ public class SelectAlbumActivity extends SubsonicTabActivity {
         }
         return songs;
     }
+	
+	private List<Integer> getSelectedIndexes() {
+		List<Integer> indexes = new ArrayList<Integer>();
+		
+		int count = entryList.getCount();
+        for (int i = 0; i < count; i++) {
+            if (entryList.isItemChecked(i)) {
+                indexes.add(i - 1);
+            }
+        }
+		
+		return indexes;
+	}
 
     private void download(final boolean append, final boolean save, final boolean autoplay, final boolean playNext, final boolean shuffle) {
         if (getDownloadService() == null) {
@@ -651,4 +682,33 @@ public class SelectAlbumActivity extends SubsonicTabActivity {
 
         return header;
     }
+	
+	public void removeFromPlaylist(final String id, final String name, final List<Integer> indexes) {
+		new LoadingTask<Void>(this, true) {
+            @Override
+            protected Void doInBackground() throws Throwable {				
+                MusicService musicService = MusicServiceFactory.getMusicService(SelectAlbumActivity.this);
+				musicService.removeFromPlaylist(id, indexes, SelectAlbumActivity.this, null);
+                return null;
+            }
+            
+            @Override
+            protected void done(Void result) {
+				refresh();
+                Util.toast(SelectAlbumActivity.this, getResources().getString(R.string.removed_playlist, indexes.size(), name));
+            }
+            
+            @Override
+            protected void error(Throwable error) {            	
+            	String msg;
+            	if (error instanceof OfflineException || error instanceof ServerTooOldException) {
+            		msg = getErrorMessage(error);
+            	} else {
+            		msg = getResources().getString(R.string.updated_playlist_error, name) + " " + getErrorMessage(error);
+            	}
+            	
+        		Util.toast(SelectAlbumActivity.this, msg, false);
+            }
+        }.execute();
+	}
 }
diff --git a/subsonic-android/src/github/daneren2005/dsub/service/CachedMusicService.java b/subsonic-android/src/github/daneren2005/dsub/service/CachedMusicService.java
index 42fd8e57..c9233d01 100644
--- a/subsonic-android/src/github/daneren2005/dsub/service/CachedMusicService.java
+++ b/subsonic-android/src/github/daneren2005/dsub/service/CachedMusicService.java
@@ -161,6 +161,11 @@ public class CachedMusicService implements MusicService {
 	}
 	
 	@Override
+	public void removeFromPlaylist(String id, List<Integer> toRemove, Context context, ProgressListener progressListener) throws Exception {
+		musicService.removeFromPlaylist(id, toRemove, context, progressListener);
+	}
+	
+	@Override
 	public void updatePlaylist(String id, String name, String comment, Context context, ProgressListener progressListener) throws Exception {
 		musicService.updatePlaylist(id, name, comment, context, progressListener);
 	}
diff --git a/subsonic-android/src/github/daneren2005/dsub/service/MusicService.java b/subsonic-android/src/github/daneren2005/dsub/service/MusicService.java
index ebcfe9aa..67e4bed5 100644
--- a/subsonic-android/src/github/daneren2005/dsub/service/MusicService.java
+++ b/subsonic-android/src/github/daneren2005/dsub/service/MusicService.java
@@ -65,6 +65,8 @@ public interface MusicService {
 	
 	void addToPlaylist(String id, List<MusicDirectory.Entry> toAdd, Context context, ProgressListener progressListener) throws Exception;
 	
+	void removeFromPlaylist(String id, List<Integer> toRemove, Context context, ProgressListener progressListener) throws Exception;
+	
 	void updatePlaylist(String id, String name, String comment, Context context, ProgressListener progressListener) throws Exception;
 
     Lyrics getLyrics(String artist, String title, Context context, ProgressListener progressListener) throws Exception;
diff --git a/subsonic-android/src/github/daneren2005/dsub/service/OfflineMusicService.java b/subsonic-android/src/github/daneren2005/dsub/service/OfflineMusicService.java
index 135a1e12..ce353740 100644
--- a/subsonic-android/src/github/daneren2005/dsub/service/OfflineMusicService.java
+++ b/subsonic-android/src/github/daneren2005/dsub/service/OfflineMusicService.java
@@ -295,6 +295,11 @@ public class OfflineMusicService extends RESTMusicService {
 	}
 	
 	@Override
+	public void removeFromPlaylist(String id, List<Integer> toRemove, Context context, ProgressListener progressListener) throws Exception {
+		throw new OfflineException("Removing from playlist not available in offline mode");
+	}
+	
+	@Override
 	public void updatePlaylist(String id, String name, String comment, Context context, ProgressListener progressListener) throws Exception {
 		throw new OfflineException("Updating playlist not available in offline mode");
 	}
diff --git a/subsonic-android/src/github/daneren2005/dsub/service/RESTMusicService.java b/subsonic-android/src/github/daneren2005/dsub/service/RESTMusicService.java
index 25bacb61..00e9f2b1 100644
--- a/subsonic-android/src/github/daneren2005/dsub/service/RESTMusicService.java
+++ b/subsonic-android/src/github/daneren2005/dsub/service/RESTMusicService.java
@@ -423,6 +423,25 @@ public class RESTMusicService implements MusicService {
 	}
 	
 	@Override
+	public void removeFromPlaylist(String id, List<Integer> toRemove, Context context, ProgressListener progressListener) throws Exception {
+		checkServerVersion(context, "1.8", "Updating playlists is not supported.");
+		List<String> names = new ArrayList<String>();
+		List<Object> values = new ArrayList<Object>();
+		names.add("playlistId");
+		values.add(id);
+		for(Integer song: toRemove) {
+			names.add("songIndexToRemove");
+			values.add(song);
+		}
+		Reader reader = getReader(context, progressListener, "updatePlaylist", null, names, values);
+    	try {
+            new ErrorParser(context).parse(reader);
+        } finally {
+            Util.close(reader);
+        }
+	}
+	
+	@Override
 	public void updatePlaylist(String id, String name, String comment, Context context, ProgressListener progressListener) throws Exception {
 		checkServerVersion(context, "1.8", "Updating playlists is not supported.");
 		Reader reader = getReader(context, progressListener, "updatePlaylist", null, Arrays.asList("playlistId", "name", "comment"), Arrays.<Object>asList(id, name, comment));