app/src/main/java/com/stormtales/notevault/data/dao/SongDao.java

@@ -24,5 +24,6 @@ public interface SongDao {
     @Delete
     void deleteNoteSheets(List<NoteSheet> noteSheets);
 
+    @Query("SELECT * FROM NoteSheet WHERE songID = :songID")
     List<NoteSheet> getNoteSheetsBySong(int songID);
 }

app/src/main/java/com/stormtales/notevault/data/repositories/SongRepository.java

@@ -10,7 +10,9 @@ import com.stormtales.notevault.data.dao.SongDao;
 import com.stormtales.notevault.data.entities.NoteSheet;
 import com.stormtales.notevault.data.entities.Song;
 import com.stormtales.notevault.data.sync.SyncStatus;
+import com.stormtales.notevault.utils.NoteSheetsUtil;
 
+import java.io.IOException;
 import java.util.List;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
@@ -59,7 +61,19 @@ public class SongRepository {
     }
 
     public void deleteSong(Song song) {
-        song.setSyncStatus(SyncStatus.DELETED);
-        songDao.update(song);
+        Executors.newSingleThreadExecutor().execute(() -> {
+            song.setSyncStatus(SyncStatus.DELETED);
+            songDao.update(song);
+
+            List<NoteSheet> noteSheets = songDao.getNoteSheetsBySong(song.getLocalID());
+            for(NoteSheet noteSheet : noteSheets) {
+                try {
+                    NoteSheetsUtil.deleteNoteSheet(noteSheet.getLocalFileName());
+                } catch (IOException e) {
+                    throw new RuntimeException(e);
+                }
+            }
+            songDao.deleteNoteSheets(noteSheets);
+        });
     }
 }

app/src/main/java/com/stormtales/notevault/utils/NoteSheetsUtil.java

@@ -84,4 +84,8 @@ public class NoteSheetsUtil {
             return null;
         }
     }
+
+    public static void deleteNoteSheet(String filePath) throws IOException {
+        Files.delete(new File(filePath).toPath());
+    }
 }