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/**
* Created by GoLand.
* User: link1st
* Date: 2019-07-25
* Time: 17:28
*/
package cache
import (
"encoding/json"
"fmt"
"github.com/go-redis/redis"
"gowebsocket/lib/redislib"
"gowebsocket/models"
)
const (
userOnlinePrefix = "acc:user:online:" // 用户在线状态
userOnlineCacheTime = 24 * 60 * 60
)
/********************* 查询用户是否在线 ************************/
func getUserOnlineKey(userKey string) (key string) {
key = fmt.Sprintf("%s%s", userOnlinePrefix, userKey)
return
}
func GetUserOnlineInfo(userKey string) (userOnline *models.UserOnline, err error) {
redisClient := redislib.GetClient()
key := getUserOnlineKey(userKey)
data, err := redisClient.Get(key).Bytes()
if err != nil {
if err == redis.Nil {
fmt.Println("GetUserOnlineInfo", userKey, err)
return
}
fmt.Println("GetUserOnlineInfo", userKey, err)
return
}
userOnline = &models.UserOnline{}
err = json.Unmarshal(data, userOnline)
if err != nil {
fmt.Println("获取用户在线数据 json Unmarshal", userKey, err)
return
}
fmt.Println("获取用户在线数据", userKey, "time", userOnline.LoginTime, userOnline.HeartbeatTime, "AccIp", userOnline.AccIp, userOnline.IsLogoff)
return
}
// 设置用户在线数据
func SetUserOnlineInfo(userKey string, userOnline *models.UserOnline) (err error) {
redisClient := redislib.GetClient()
key := getUserOnlineKey(userKey)
valueByte, err := json.Marshal(userOnline)
if err != nil {
fmt.Println("设置用户在线数据 json Marshal", key, err)
return
}
_, err = redisClient.Do("setEx", key, userOnlineCacheTime, string(valueByte)).Result()
if err != nil {
fmt.Println("设置用户在线数据 ", key, err)
return
}
return
}