From 4bc9da3910288594b9ae8c8b33eb82d5c5f56bec Mon Sep 17 00:00:00 2001
From: skiffer-git <44203734@qq.com>
Date: Mon, 13 Jun 2022 17:19:48 +0800
Subject: [PATCH] set groupID

---
 internal/rpc/group/group.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/internal/rpc/group/group.go b/internal/rpc/group/group.go
index ad98775f6..348efcc05 100644
--- a/internal/rpc/group/group.go
+++ b/internal/rpc/group/group.go
@@ -17,6 +17,7 @@ import (
 	pbUser "Open_IM/pkg/proto/user"
 	"Open_IM/pkg/utils"
 	"context"
+	"math/big"
 	"net"
 	"strconv"
 	"strings"
@@ -101,9 +102,13 @@ func (s *groupServer) CreateGroup(ctx context.Context, req *pbGroup.CreateGroupR
 
 	groupId := req.GroupInfo.GroupID
 	if groupId == "" {
-		groupId = utils.Md5(strconv.FormatInt(time.Now().UnixNano(), 10))
+		groupId = utils.Md5(req.OperationID + strconv.FormatInt(time.Now().UnixNano(), 10))
+		bi := big.NewInt(0)
+		bi.SetString(groupId[0:8], 16)
+		groupId = bi.String()
 	}
 	//to group
+
 	groupInfo := db.Group{}
 	utils.CopyStructFields(&groupInfo, req.GroupInfo)
 	groupInfo.CreatorUserID = req.OpUserID