Filter out disbanded groups

pkg/common/db/RedisModel.go

@@ -18,6 +18,7 @@ import (
 	"strconv"
 	"time"
 )
+
 const (
 	accountTempCode               = "ACCOUNT_TEMP_CODE"
 	resetPwdTempCode              = "RESET_PWD_TEMP_CODE"
@@ -35,9 +36,9 @@ const (
 	SignalCache                   = "SIGNAL_CACHE:"
 	SignalListCache               = "SIGNAL_LIST_CACHE:"
 	GlobalMsgRecvOpt              = "GLOBAL_MSG_RECV_OPT"
+	groupUserMinSeq               = "GROUP_USER_MIN_SEQ:"
 )
 
-
 //func  (d *  DataBases)pubMessage(channel, msg string) {
 //   d.rdb.Publish(context.Background(),channel,msg)
 //}
@@ -95,6 +96,16 @@ func (d *DataBases) GetUserMinSeq(uid string) (uint64, error) {
 	return uint64(utils.StringToInt(seq)), err
 }
 
+func (d *DataBases) SetGroupUserMinSeq(groupID, userID string, minSeq uint32) (err error) {
+	key := groupUserMinSeq + "g:" + groupID + "u:" + userID
+	return d.rdb.Set(context.Background(), key, minSeq, 0).Err()
+}
+func (d *DataBases) GetGroupUserMinSeq(groupID, userID string) (uint64, error) {
+	key := groupUserMinSeq + "g:" + groupID + "u:" + userID
+	seq, err := d.rdb.Get(context.Background(), key).Result()
+	return uint64(utils.StringToInt(seq)), err
+}
+
 //Store userid and platform class to redis
 func (d *DataBases) AddTokenFlag(userID string, platformID int, token string, flag int) error {
 	key := uidPidToken + userID + ":" + constant.PlatformIDToName(platformID)