gd_service/utils/cache.go

package utils
import (
	"gd_service/errors"
	"time"

	"gd_service/apis"
	"gd_service/common.in/cache"
	"gd_service/consts"
	"github.com/json-iterator/go"
)

func IsReuseTime(reuseTime int64, timestamp int64) bool {
	if timestamp == 0 {
		return false
	}
	reuseSencod := reuseTime * consts.DAYSECOND

	t := time.Unix(timestamp, 0)
	now := time.Now()

	// 60s短时复用
	if reuseTime == 0 {
		if now.Unix()-timestamp > consts.MINUTESECOND {
			return false
		}
		return true
	}

	start := time.Date(t.Year(), t.Month(), t.Day(), 0, 0, 0, 0, t.Location()).Unix()
	end := time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, now.Location()).Unix()
	if end-start >= reuseSencod {
		return false
	}
	return true
}

func GetDataByRedis(redisKey string, reuseTime int64, fn func(data string) (string, error)) (string, error) {
	res, err := cache.Redis.Get(redisKey)
	if err == nil && res != "" {
		rawData := apis.RawData{}
		_ = jsoniter.UnmarshalFromString(res, &rawData)
		if IsReuseTime(reuseTime, rawData.Timestamp) {
			return fn(rawData.Data)
		}
	}

	return "",errors.ServiceError
}

func StoreDataToRedis(redisKey, data string) {
	store := apis.RawData{
		Data:      data,
		Timestamp: time.Now().Unix(),
	}
	str, _ := jsoniter.MarshalToString(store)
	_, _ = cache.Redis.SetEx(redisKey, consts.RedisDataExipred, str)
	return
}