//This is in the old Javascript File
function sendArrays() {
    var arrays = {
        'inProgressArray[]': inProgressTasks,
        'completedArray[]': completedTasks,
        'archivedArray[]': archivedTasks
    }
    $.ajax({
        url: "http://127.0.0.1:8081/array",
        type: "POST",
        dataType: 'json',
        contentType: 'application/json',
        data: JSON.stringify(arrays)

    });
}
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//inside the /login post method in Node js

if(loggedIn) {
                req.session.email = email;
                res.sendFile(__dirname + "/projectPH1 23 69/" + "ToDoList.html");
                 try {
                    data = fs.readFileSync(__dirname + "/database/data/" + "user" + req.session.userID + ".json");
                    req.session.arrays = JSON.parse(data);
                    req.session.arrays["name"] = req.session.userName
                } catch (ex) {
                    console.log(ex);
                }
            }
else {
              res.sendFile(__dirname + "/projectPH1 23 69/" + "Login Error.html")
}

________________________________________________________________________________________________________
//inside the /array post method
app.post('/array', function(req, res) {
    var data = req.body;
    fs.writeFile(__dirname + "/database/data/" + "user" + req.session.userID +  ".json",JSON.stringify(data), function (err) {
        if (err) {
            console.log(err);
        }
    });
    req.session.arrays = data; //THIS IS THE IMPORTANT ONE
    req.session.arrays["name"] = req.session.userName; //don't care much about it but it's important considering you have the same approach
    console.log(req.session.arrays);
    res.send('success'); //don't care about this shit
});