part5-cms.html

<script>
    const privatePages = [
        '/private',
        '/members'
    ];
    const publicPages = [
        '/sign-up',
        '/log-in'
    ];

    firebase.auth().onAuthStateChanged(function (user) {
        // Get the current path from the URL bar
        let rawPath = window.location.pathname;
        // Count how many forward slashes it has
        let numSlashes = (rawPath.match(/\//ig) || []).length;
        // Set an undefined variable which will become the root path
        let currentPath;
        // Count the number of slashes
        if (numSlashes > 1) {
            // There were more than 2 slashes (e.g /members/eum-voluptas)
            // so set current path to be everything before the last "/" (e.g /members) 
            currentPath = rawPath.substr(0, rawPath.lastIndexOf("/"));
        } else {
            // There was only 1 forward slash, nothing to change
            currentPath = rawPath;
        }
        if (user) {
            // User is signed in.
            if (publicPages.includes(currentPath)) {
                window.location.replace('/');
            } else {
                console.log('User is logged in!');
                console.log('Email: ' + user.email);
                console.log('UID: ' + user.uid);
                signupLink.style.display = 'none';
                loginLink.style.display = 'none';
                loadingScreen.style.display = 'none';
            }
        } else {
            // User is signed out.
            if (privatePages.includes(currentPath)) {
                window.location.replace('/');
            } else {
                console.log('No user is logged in');
                privateLink.style.display = 'none';
                logoutLink.style.display = 'none';
                loadingScreen.style.display = 'none';
            }
        }
    });
</script>