orderByDesc('id') ->get() ->all(); } public function listActive(): array { return DiscountVoucher::query() ->where('is_active', 1) ->orderByDesc('id') ->get() ->all(); } public function create(array $payload): DiscountVoucher { return DiscountVoucher::query()->create($payload); } public function update(int $id, array $payload): DiscountVoucher { $voucher = DiscountVoucher::query()->findOrFail($id); $voucher->fill($payload); $voucher->save(); return $voucher; } public function find(int $id): DiscountVoucher { return DiscountVoucher::query()->findOrFail($id); } public function delete(int $id): void { DiscountVoucher::query()->whereKey($id)->delete(); } }