public function __construct(Role_user $role_user, RoleHelper $roleHelper)
 {
     //	Storage::put('ajax27.txt', 'ajax controller reached');
     $this->middleware('auth');
     if (Auth::check()) {
         //	Storage::put('ajax31.txt', 'auth passed');
         $this->roleHelper = $roleHelper;
         $this->bool_has_role = $role_user->hasRole('admin');
     }
     // end if Auth::check()
 }