Revert "去掉最近访问的人 todo"

This reverts commit f25299ec.

domain/model/group_m/room.go

@@ -424,7 +424,6 @@ func GetRoomMicUsers(model *domain.Model, groupIds []string) (map[string][]uint6
 
 // 批量查询房间最近N天的访问人数。使用二级缓存
 func BatchGetRoomVisitCount(logE *logrus.Entry, groupIds []string) (map[string]int64, error) {
-	return make(map[string]int64), nil // todo
 	//roomVisitCount, err := redis.GetAllRoomVisitCount()
 	roomVisitCount, err := room_c.MGetRoomVisitCount(groupIds)
 	if err != nil {