whereNull('deleted_at')->find(); } public static function findActiveById(int $id): ?self { return self::where('id', $id)->whereNull('deleted_at')->find(); } public static function findByMiniProgramOpenId(int $miniProgramId, string $openId): ?self { return self::where('mini_program_id', $miniProgramId) ->where('open_id', $openId) ->whereNull('deleted_at') ->find(); } }