Frontend user list and modal dialog fixes

src/frontend/js/app/ui/menu/main.js

@@ -1,10 +1,39 @@
 'use strict';
 
-const Mn       = require('backbone.marionette');
-const template = require('./main.ejs');
+const $          = require('jquery');
+const Mn         = require('backbone.marionette');
+const Controller = require('../../controller');
+const Cache      = require('../../cache');
+const template   = require('./main.ejs');
 
 module.exports = Mn.View.extend({
     id:        'menu',
     className: 'header collapse d-lg-flex p-0',
-    template:  template
+    template:  template,
+
+    ui: {
+        link: 'a'
+    },
+
+    events: {
+        'click @ui.link': function (e) {
+            e.preventDefault();
+            let href = $(e.currentTarget).attr('href');
+
+            switch (href) {
+                case '/':
+                    Controller.showDashboard();
+                    break;
+                case '/users':
+                    Controller.showUsers();
+                    break;
+            }
+        }
+    },
+
+    templateContext: {
+        showUsers: function () {
+            return Cache.User.isAdmin();
+        }
+    }
 });