/**
  * Update the specified resource in storage.
  *
  * @param  \Illuminate\Http\Request  $request
  * @param  int  $id
  * @return \Illuminate\Http\Response
  */
 public function update(Request $request, $id)
 {
     $name = Input::get('data');
     if ($name == 'lesson') {
         $data = Person::find($id)->lesson;
     } elseif ($name == 'seminar') {
         $data = Lessons::find($id)->seminar;
     }
     return response()->json($data);
 }