protected function insertEffortEstimation(Request $request, $id)
 {
     $effort = EffortEstimation::where('Project_FK', '=', $id)->first();
     if (!empty($effort)) {
         $effort->content = json_encode($request->input('content'));
         $effort->save();
     } else {
         $effort = new EffortEstimation();
         $effort->Project_FK = $id;
         $effort->content = json_encode($request->input('content'));
         $effort->save();
     }
 }