Domain\Student\Http\Requests\UpdateRequest::rules PHP Метод

    public function rules()
    {
        $id = $this->route('student');
        $user_id = 'NULL';
        $student = Student::find($id);
        $user = $student->user;
        if (isset($user)) {
            $user_id = $user->id;
        }
        return ['name' => 'required|max:45', 'sex' => 'required|in:male,female', 'father' => 'max:45', 'mother' => 'max:45', 'responsible' => 'required|max:45', 'cpf_responsible' => 'cpf|unique:students,cpf_responsible,' . $id, 'phone_father' => 'max:11|phone_br', 'phone_mother' => 'max:11|phone_br', 'phone_responsible' => 'required|max:11|phone_br', 'postcode' => 'required|max:8|regex:/[0-9]/', 'street' => 'required|max:60', 'number' => 'required|max:10', 'district' => 'required|max:60', 'city' => 'required|max:60', 'state' => 'required|max:2', 'phone' => 'required|max:10|phone_br', 'cellphone' => 'required|max:11|cellphone_br', 'complement' => 'max:30', 'monthly_payment' => 'required|numeric|positive', 'day_of_payment' => 'required|integer|min:1|max:31', 'installments' => 'integer', 'user' => 'required|array', 'user.username' => 'required|max:30|unique:users,username,' . $user_id . ',id,owner_type,Domain\\Student\\Student', 'user.email' => 'required|max:255|email|unique:users,email,' . $user_id . ',id,owner_type,Domain\\Student\\Student', 'status' => 'boolean'];
    }