store more data in session

middleware/auth/session_redis.go

 package auth
 
 import (
+	"encoding/json"
 	"time"
 
 	"git.links123.net/links123.com/pkg/utils"
 	"github.com/go-redis/redis"
 )
 
-type RedisSessionStore struct{ client *redis.Client }
+type (
+	RedisSessionStore struct{ client *redis.Client }
+
+	item map[string]interface{}
+)
 
 func NewRedisSessionStore(address string, password string) *RedisSessionStore {
 	session := &RedisSessionStore{}
 
 func (rss *RedisSessionStore) StoreJwtToken(token string, uid int64, timeout int64) error {
 	k := utils.Md5(token)
-	v := map[string]int64{"user_id": uid, "created": time.Now().Unix()}
+	v := item{"user_id": uid, "created": time.Now().Unix()}
 
 	return rss.client.Set(k, v, time.Duration(timeout)*time.Second).Err()
 }
 
 	return rss.client.Del(k).Val() == 1
 }
+
+func (i item) MarshalBinary() (data []byte, err error) {
+	return json.Marshal(i)
+}