public bool VerifyCredentials(string username, string password)
        {
            User getUser = TipezeNyumbaUnitOfWork.Repository <User>()
                           .Get(u => u.phoneNumber == username || u.email == username);

            if (getUser == null)
            {
                return(false);
            }
            bool verifyIfPasswordIsCorrect = _hashPassword.IsPasswordCorrect(getUser, password);

            return(verifyIfPasswordIsCorrect);
        }