add nickname to group member payloads

server/im_http.go

@@ -7556,6 +7556,7 @@ func groupMemberPayload(sub types.Subscription, mentionable bool, remark string)
 	access := sub.ModeGiven & sub.ModeWant
 	user := &types.User{ObjHeader: types.ObjHeader{Id: sub.User}, Public: sub.GetPublic(), Trusted: sub.GetTrusted()}
 	data := userSummaryPayload(user, remark)
+	copyUserNickname(data, sub.GetPublic())
 	if private := groupPrivateMap(sub.Private); stringFromAny(private["nickname"]) != "" {
 		data["group_nickname"] = stringFromAny(private["nickname"])
 	}
@@ -7573,6 +7574,7 @@ func groupBusinessMemberPayload(member types.GroupMember, remark string) map[str
 	access := groupMemberAccess(member)
 	user := &types.User{ObjHeader: types.ObjHeader{Id: member.UserID.String()}, Public: member.Public, Trusted: member.Trusted}
 	data := userSummaryPayload(user, remark)
+	copyUserNickname(data, member.Public)
 	if nickname := strings.TrimSpace(member.Nickname); nickname != "" {
 		data["group_nickname"] = nickname
 	}
@@ -7586,6 +7588,21 @@ func groupBusinessMemberPayload(member types.GroupMember, remark string) map[str
 	return data
 }
 
+func copyUserNickname(data map[string]any, public any) {
+	var fields map[string]any
+	if value, ok := public.(map[string]any); ok {
+		fields = value
+	} else if value, ok := public.(types.KVMap); ok {
+		fields = map[string]any(value)
+	}
+	if fields == nil {
+		return
+	}
+	if nickname := strings.TrimSpace(fmt.Sprint(fields["nickname"])); nickname != "" {
+		data["nickname"] = nickname
+	}
+}
+
 func groupMemberRemarkMap(tenantID types.TenantID, viewer types.Uid, members []types.GroupMember) map[types.Uid]string {
 	remarks := make(map[types.Uid]string)
 	for _, member := range members {