$this->validate($request, ['turbo' => 'required|boolean']);

        $user = auth()->user();
        $time = Carbon::now();

        $teacher = $user->teacher;
        $teacher->turbo = ($request->turbo ? 1 : 0);
        $teacher->last_turbo_payment = $time;
        $teacher->save();

        $time = $time->timestamp;
        if ($user->teacher->turbo == 1) {
            Redis::set("teacher.turbo.{$user->id}", $time);
        }
        return response()->json(['turbo' => ($user->teacher->turbo == 1), 'unix' => $time ?? 0]);