# SPDX-FileCopyrightText: 2026 Dennis Fink <me+coding@dennisfink.me>
#
# SPDX-License-Identifier: BSD-3-Clause

from flask_login import LoginManager

from . import DATABASE as db
from .models import User

AUTH = LoginManager()

AUTH.login_view = "root.login"


@AUTH.user_loader
def load_user(id: int) -> User | None:
    """
    Load a user from the database by identifier.

    :param id: User identifier stored in the login session.
    :return: Matching user, or ``None`` if no user exists with the identifier.
    """
    return db.session.get(User, int(id))