Refactored gcalhelper to avoid double read for tasks with empty gcal property

astrid/plugin-src/com/todoroo/astrid/gcal/GCalHelper.java

@@ -4,6 +4,7 @@ import android.content.ContentResolver;
 import android.database.Cursor;
 import android.net.Uri;
 import android.text.TextUtils;
+import android.util.Log;
 
 import com.todoroo.andlib.service.ContextManager;
 import com.todoroo.astrid.core.PluginServices;
@@ -11,17 +12,19 @@ import com.todoroo.astrid.data.Task;
 
 public class GCalHelper {
     public static void deleteTaskEvent(Task task) {
-        String uri = task.getValue(Task.CALENDAR_URI);
+        String uri;
-        Uri calendarUri = null;
+        if(task.containsNonNullValue(Task.CALENDAR_URI))
-
+            uri = task.getValue(Task.CALENDAR_URI);
-        if (TextUtils.isEmpty(uri)) {
+        else {
-            task = PluginServices.getTaskService().fetchById(task.getId(), Task.ID, Task.CALENDAR_URI);
+            task = PluginServices.getTaskService().fetchById(task.getId(), Task.CALENDAR_URI);
+            if(task == null)
+                return;
             uri = task.getValue(Task.CALENDAR_URI);
         }
 
         if(!TextUtils.isEmpty(uri)) {
             try {
-                calendarUri = Uri.parse(uri);
+                Uri calendarUri = Uri.parse(uri);
 
                 // try to load calendar
                 ContentResolver cr = ContextManager.getContext().getContentResolver();
@@ -33,7 +36,7 @@ public class GCalHelper {
                     cr.delete(calendarUri, null, null);
                 }
             } catch (Exception e) {
-                e.printStackTrace();
+                Log.e("astrid-gcal", "error-deleting-calendar-event", e); //$NON-NLS-1$ //$NON-NLS-2$
             }
         }
     }