package utils

import (
	"strconv"
	"time"

	"github.com/zeromicro/go-zero/core/stores/redis"
)

func GenerateNo(redis *redis.Redis, prefix string) (string, error) {
	v := time.Now().UnixNano()
	key := prefix + strconv.Itoa(int(v))
	no, err := redis.Incr(key)
	if err != nil {
		return "", err
	}

	redis.Expire(key, 5)
	return key + strconv.Itoa(int(no)), nil
}