WasteInformationServer/src/resources/wwwroot/js/adminpanel.js

$(document).ready(function () {
    new AdminPanel();
});

class AdminPanel {
    constructor() {
        this.checkLoginState();
        this.addClickListeners();
    }

    checkLoginState(){
        $.post('/senddata/checkloginstate', 'action=getloginstate', function (data) {
            console.log(data);
            if (data.loggedin == true) {
                $("#userlabel").html(" " + data.username);
                if (data.permission > 0) {
                    $("#adminpanel").show();
                }
            } else {
                $("#userlabel").html(" not logged in!!");
            }
        }, 'json');
    }

    addClickListeners(){
        $("#btn-shutdown").click(function (event) {
            console.log("shutting down server");

            $.post('/senddata/admindata', 'action=shutdownserver', function (data) {
                console.log(data);

            }, 'json');

        });

        $("#btn-restart").click(function (event) {
            console.log("restarting server");

            $.post('/senddata/admindata', 'action=restartserver', function (data) {
                console.log(data);

            }, 'json');
        });
    }
}