/**
  * Update the specified resource in storage.
  *
  * @param  \Illuminate\Http\Request  $request
  * @param  int  $id
  * @return \Illuminate\Http\Response
  */
 public function update(Requests\ActivityEditRequest $request, $id)
 {
     $data = $request->all();
     $act = Activity::where('name', '=', $request->get('name'))->whereNotIn('id', [$request->get('id')])->first();
     if ($act != null) {
         return response()->json('exists');
     } else {
         $actividad = Activity::find($id);
         $actividad->fill($data);
         $actividad->save();
         $activities = Activity::leftJoin('activity_stage', 'activity_stage.activity_id', '=', 'activities.id')->leftJoin('stages', 'stages.id', '=', 'activity_stage.stage_id')->leftJoin('desing_stage', 'desing_stage.stage_id', '=', 'stages.id')->leftJoin('designs', 'designs.id', '=', 'desing_stage.desing_id')->leftJoin('projects', 'projects.desing_id', '=', 'designs.id')->orderBy('activities.name', 'ASC')->groupBy('activities.id')->get(['activities.*', DB::raw("GROUP_CONCAT(stages.name SEPARATOR ',') AS stage_name"), DB::raw("GROUP_CONCAT(projects.name SEPARATOR ',') AS name_project")]);
         return response()->json(['activiteis' => $activities, 'valid' => true]);
     }
 }