How can you define multiple isAuthenticated functions in Passport.js?

I am building an app using Express/Node.js with Passport.js(passport-local) & Mongoose.

There are two kind of users:

1. regular users (they login using /user-login page and passport strategy 'local-user-login'; regular users are stored in "Users" MongoDB collection)


2. admins (they login using /admin-login page and passport strategy 'local-admin-login'; admins are stored in "Admins" MongoDB collection)

I also have 2 pages: /user_home (needs to be accessible to logged regular users only) and /admin_home (for logged admins only)

Route for /user_home:

app.get('/user_home', isLoggedIn, function(req, res) {
    // render the page
});

function isLoggedIn(req, res, next) {
    if (req.isAuthenticated())
        return next();
    res.redirect('/login');
}

If I log in as an admin and try to access /user_home, it doesn't allow me, which is fine. My question is: how can I define another "isLoggedIn" function that checks if I am logged in as an admin rather than a regular user? Ideally I would like to have a function "isLoggedInAsUser" and another one "isLoggedInAsAdmin".

So far I tried defining the /admin_home route the same way:

app.get('/admin_home', isLoggedIn, function(req, res) {
    // render the page
});

But it's obvious why it doesn't work. The code doesn't know that I want it to check if it's an admin rather than a regular user.