from flask import session
from models.users.user import User
from controllers.database.user import UserController


def is_logged_in() -> User | None:
    """ Returns the user object if the user is logged in
        Otherwise returns a None type
     """
    user_id = session.get('user_id')

    if user_id is not None:
        db = UserController()
        return db.read_id(user_id)
    return None


def is_role(role: str) -> bool:
    """ Function that returns true if the user is logged in as"""
    user = is_logged_in()

    if user is not None:
        return user.role == role

    # User isn't logged in
    return False