fix: move group push work off topic loop

server/store/group_message_runtime.go

@@ -111,6 +111,7 @@ type groupMessageRuntime interface {
 	RefreshUserPresence(tenantID types.TenantID, uid types.Uid, sid, nodeID string) error
 	MarkUserOffline(tenantID types.TenantID, uid types.Uid, sid, nodeID string) (int, error)
 	GetUserPresence(tenantID types.TenantID, uid types.Uid) (*UserPresence, error)
+	GetUsersPresence(tenantID types.TenantID, uids []types.Uid) (map[types.Uid]*UserPresence, error)
 	MarkTopicMemberOnline(tenantID types.TenantID, topic string, uid types.Uid, nodeID string) error
 	MarkTopicMemberOffline(tenantID types.TenantID, topic string, uid types.Uid, nodeID string) error
 	GetTopicNodeOnlineMembers(tenantID types.TenantID, topic, nodeID string) ([]types.Uid, error)
@@ -339,6 +340,14 @@ func GetUserPresence(tenantID types.TenantID, uid types.Uid) (*UserPresence, err
 	return groupMsgRuntime.GetUserPresence(tenantID, uid)
 }
 
+func GetUsersPresence(tenantID types.TenantID, uids []types.Uid) (map[types.Uid]*UserPresence, error) {
+	result := make(map[types.Uid]*UserPresence, len(uids))
+	if groupMsgRuntime == nil || !tenantID.IsValid() || len(uids) == 0 {
+		return result, nil
+	}
+	return groupMsgRuntime.GetUsersPresence(tenantID, uids)
+}
+
 func UserPresenceEnabled() bool {
 	return groupMsgRuntime != nil
 }
@@ -1027,6 +1036,40 @@ func (r *redisGroupMessageRuntime) GetUserPresence(tenantID types.TenantID, uid
 	return presence, nil
 }
 
+func (r *redisGroupMessageRuntime) GetUsersPresence(tenantID types.TenantID, uids []types.Uid) (map[types.Uid]*UserPresence, error) {
+	result := make(map[types.Uid]*UserPresence, len(uids))
+	if len(uids) == 0 {
+		return result, nil
+	}
+	ctx := context.Background()
+	pipe := r.client.Pipeline()
+	commands := make(map[types.Uid]*redis.MapStringStringCmd, len(uids))
+	for _, uid := range uids {
+		if !uid.IsZero() {
+			commands[uid] = pipe.HGetAll(ctx, r.presenceUserKey(tenantID, uid))
+		}
+	}
+	if _, err := pipe.Exec(ctx); err != nil && err != redis.Nil {
+		return nil, err
+	}
+	for uid, command := range commands {
+		raw, err := command.Result()
+		if err != nil && err != redis.Nil {
+			return nil, err
+		}
+		presence := &UserPresence{}
+		if len(raw) > 0 {
+			presence.Online = raw["online"] == "1"
+			presence.NodeID = raw["node_id"]
+			presence.SessionCount, _ = strconv.Atoi(raw["session_count"])
+			presence.LastActiveAt, _ = time.Parse(time.RFC3339Nano, raw["last_active_at"])
+			presence.LastSeenAt, _ = time.Parse(time.RFC3339Nano, raw["last_seen_at"])
+		}
+		result[uid] = presence
+	}
+	return result, nil
+}
+
 func (r *redisGroupMessageRuntime) MarkTopicMemberOnline(tenantID types.TenantID, topic string, uid types.Uid, nodeID string) error {
 	if nodeID == "" {
 		nodeID = "local"