@login_manager.user_loader
def load_user(user_id):
    if "gitlab_token" in session:
        user_info = gitlab.get("user")
        return User(user_id, session["gitlab_token"][0], user_info.data["name"])
    return None


@login_manager.unauthorized_handler
def unauthorized():
    return redirect(url_for("login"))


@gitlab.tokengetter
def get_token():
    return session.get("gitlab_token")


@app.route("/")
@login_required
def index():
    return render_template("index.html", navitems=navitems)


@app.route("/login")
def login():
    callback_url = url_for("authorized", _external=True)
    return gitlab.authorize(callback=callback_url)


@app.route('/logout', methods=['POST'])
@login_required
def logout():
    logout_user()
    session.pop('gitlab_token', None)
    session.clear()
    #revoke_gitlab_token(session.get('gitlab_token'))
    return redirect(url_for('index'))


@app.route("/login/authorized")
def authorized():
    response = gitlab.authorized_response()
    if response is None or response.get("access_token") is None:
        LOG.error("OAuth authorization failed: %s", response)
        return "Access denied: reason={} error={}".format(
            request.args["error_reason"], request.args["error_description"]
        )
    session["gitlab_token"] = (response["access_token"], "")
    user_info = gitlab.get("user")
    user = User(
        user_info.data["username"], response["access_token"], user_info.data["name"]
    )
    login_user(user)
    return redirect(url_for("index"))