fix(group): persist request handler details

internal/rpc/group/group.go

@@ -896,7 +896,8 @@ func (g *groupServer) GroupApplicationResponse(ctx context.Context, req *pbgroup
 		}
 	}
 	log.ZDebug(ctx, "GroupApplicationResponse", "inGroup", inGroup, "HandleResult", req.HandleResult, "member", member)
-	if err := g.db.HandlerGroupRequest(ctx, req.GroupID, req.FromUserID, req.HandledMsg, req.HandleResult, member); err != nil {
+	handledRequest := convert.Pb2DbGroupRequest(req, mcontext.GetOpUserID(ctx))
+	if err := g.db.HandlerGroupRequest(ctx, handledRequest, member); err != nil {
 		return nil, err
 	}
 	switch req.HandleResult {

pkg/common/storage/controller/group.go

@@ -81,7 +81,7 @@ type GroupDatabase interface {
 	// SearchGroupMember searches for group members based on a keyword, group ID, and pagination settings.
 	SearchGroupMember(ctx context.Context, keyword string, groupID string, pagination pagination.Pagination) (int64, []*model.GroupMember, error)
 	// HandlerGroupRequest processes a group join request with a specified result.
-	HandlerGroupRequest(ctx context.Context, groupID string, userID string, handledMsg string, handleResult int32, member *model.GroupMember) error
+	HandlerGroupRequest(ctx context.Context, request *model.GroupRequest, member *model.GroupMember) error
 	// DeleteGroupMember removes specified users from a group.
 	DeleteGroupMember(ctx context.Context, groupID string, userIDs []string) error
 	// MapGroupMemberUserID maps group IDs to their members' simplified user IDs.
@@ -358,9 +358,9 @@ func (g *groupDatabase) SearchGroupMember(ctx context.Context, keyword string, g
 	return g.groupMemberDB.SearchMember(ctx, keyword, groupID, pagination)
 }
 
-func (g *groupDatabase) HandlerGroupRequest(ctx context.Context, groupID string, userID string, handledMsg string, handleResult int32, member *model.GroupMember) error {
+func (g *groupDatabase) HandlerGroupRequest(ctx context.Context, request *model.GroupRequest, member *model.GroupMember) error {
 	return g.ctxTx.Transaction(ctx, func(ctx context.Context) error {
-		if err := g.groupRequestDB.UpdateHandler(ctx, groupID, userID, handledMsg, handleResult); err != nil {
+		if err := g.groupRequestDB.UpdateHandler(ctx, request); err != nil {
 			return err
 		}
 		if member != nil {
@@ -368,14 +368,14 @@ func (g *groupDatabase) HandlerGroupRequest(ctx context.Context, groupID string,
 			if err := g.groupMemberDB.Create(ctx, []*model.GroupMember{member}); err != nil {
 				return err
 			}
-			c = c.DelGroupMembersHash(groupID).
-				DelGroupMembersInfo(groupID, member.UserID).
-				DelGroupMemberIDs(groupID).
-				DelGroupsMemberNum(groupID).
+			c = c.DelGroupMembersHash(request.GroupID).
+				DelGroupMembersInfo(request.GroupID, member.UserID).
+				DelGroupMemberIDs(request.GroupID).
+				DelGroupsMemberNum(request.GroupID).
 				DelJoinedGroupID(member.UserID).
-				DelGroupRoleLevel(groupID, []int32{member.RoleLevel}).
-				DelMaxJoinGroupVersion(userID).
-				DelMaxGroupMemberVersion(groupID)
+				DelGroupRoleLevel(request.GroupID, []int32{member.RoleLevel}).
+				DelMaxJoinGroupVersion(request.UserID).
+				DelMaxGroupMemberVersion(request.GroupID)
 			if err := c.ChainExecDel(ctx); err != nil {
 				return err
 			}

pkg/common/storage/database/group_request.go

@@ -24,7 +24,7 @@ import (
 type GroupRequest interface {
 	Create(ctx context.Context, groupRequests []*model.GroupRequest) (err error)
 	Delete(ctx context.Context, groupID string, userID string) (err error)
-	UpdateHandler(ctx context.Context, groupID string, userID string, handledMsg string, handleResult int32) (err error)
+	UpdateHandler(ctx context.Context, request *model.GroupRequest) (err error)
 	Take(ctx context.Context, groupID string, userID string) (groupRequest *model.GroupRequest, err error)
 	FindGroupRequests(ctx context.Context, groupID string, userIDs []string) ([]*model.GroupRequest, error)
 	Page(ctx context.Context, userID string, groupIDs []string, handleResults []int, pagination pagination.Pagination) (total int64, groups []*model.GroupRequest, err error)

pkg/common/storage/database/mgo/group_request.go

@@ -65,8 +65,17 @@ func (g *GroupRequestMgo) Delete(ctx context.Context, groupID string, userID str
 	return mongoutil.DeleteOne(ctx, g.coll, bson.M{"group_id": groupID, "user_id": userID})
 }
 
-func (g *GroupRequestMgo) UpdateHandler(ctx context.Context, groupID string, userID string, handledMsg string, handleResult int32) (err error) {
-	return mongoutil.UpdateOne(ctx, g.coll, bson.M{"group_id": groupID, "user_id": userID}, bson.M{"$set": bson.M{"handle_msg": handledMsg, "handle_result": handleResult}}, true)
+func (g *GroupRequestMgo) UpdateHandler(ctx context.Context, request *model.GroupRequest) (err error) {
+	return mongoutil.UpdateOne(ctx, g.coll, bson.M{"group_id": request.GroupID, "user_id": request.UserID}, bson.M{"$set": groupRequestHandlerUpdate(request)}, true)
+}
+
+func groupRequestHandlerUpdate(request *model.GroupRequest) bson.M {
+	return bson.M{
+		"handled_msg":    request.HandledMsg,
+		"handle_result":  request.HandleResult,
+		"handle_user_id": request.HandleUserID,
+		"handled_time":   request.HandledTime,
+	}
 }
 
 func (g *GroupRequestMgo) Take(ctx context.Context, groupID string, userID string) (groupRequest *model.GroupRequest, err error) {

pkg/common/storage/database/mgo/group_request_test.go

@@ -0,0 +1,32 @@
+package mgo
+
+import (
+	"testing"
+	"time"
+
+	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/model"
+	"github.com/openimsdk/protocol/constant"
+)
+
+func TestGroupRequestHandlerUpdate(t *testing.T) {
+	handledTime := time.Date(2026, time.September, 17, 12, 0, 0, 0, time.UTC)
+	update := groupRequestHandlerUpdate(&model.GroupRequest{
+		HandleResult: constant.GroupResponseAgree,
+		HandledMsg:   "approved",
+		HandleUserID: "admin",
+		HandledTime:  handledTime,
+	})
+
+	if _, ok := update["handle_msg"]; ok {
+		t.Fatal("handler update contains obsolete handle_msg field")
+	}
+	want := map[string]any{
+		"handled_msg": "approved", "handle_result": constant.GroupResponseAgree,
+		"handle_user_id": "admin", "handled_time": handledTime,
+	}
+	for key, expected := range want {
+		if got := update[key]; got != expected {
+			t.Fatalf("handler update %s = %v, want %v", key, got, expected)
+		}
+	}
+}