public void AddUser(Library.User user)
        {
            User u = Mapper.Map(user);

            u.DefaultLocation = db.Location.Find(user.DefaultLocation.LocationId);
            db.Add(u);
            db.SaveChanges();
            user.UserId = u.UserId;
        }
 //Persisting changes to database
 public void Save()
 {
     s_logger.Info("Saving changes to the database");
     _dbContext.SaveChanges();
 }