progress on batches

lib/navbar.dart

@@ -47,7 +47,7 @@ class _ScaffoldWithNavBarState extends State<ScaffoldWithNavBar> {
                     extended: true,
                     leading: Image(
                       image: AssetImage('assets/velocity.png'),
-                      width: 150
+                      width: 150,
                     ),
                     trailing: _buildLogin(context),
                     labelType: NavigationRailLabelType.none,
@@ -121,6 +121,11 @@ class _ScaffoldWithNavBarState extends State<ScaffoldWithNavBar> {
         "selectedIcon": Icon(Icons.home),
         "label": 'Home',
       },
+      {
+        "icon": Icon(Icons.group_outlined),
+        "selectedIcon": Icon(Icons.group),
+        "label": 'Groups',
+      },
       {
         "icon": Icon(Icons.history_outlined),
         "selectedIcon": Icon(Icons.history),
@@ -130,7 +135,7 @@ class _ScaffoldWithNavBarState extends State<ScaffoldWithNavBar> {
   }
 
   Widget _buildLogin(BuildContext context) {
-    if(_isLoggedIn) {
+    if (_isLoggedIn) {
       return SizedBox();
     }
 
@@ -184,23 +189,19 @@ class _ScaffoldWithNavBarState extends State<ScaffoldWithNavBar> {
       case 0:
         context.go('/home');
         break;
-      // case 1:
-      //   context.go('/recipients');
-      //   break;
       case 1:
+        context.go('/groups');
+        break;
+      case 2:
         context.go('/history');
         break;
-      // case 2:
-      //   context.go('/profile');
-      //   break;
     }
   }
 
   int _calculateSelectedIndex(BuildContext context) {
     final String location = GoRouterState.of(context).uri.path;
-    // if (location.startsWith('/recipients')) return 1;
-    if (location.startsWith('/history')) return 1;
-    // if (location.startsWith('/profile')) return 2;
+    if (location.startsWith('/groups')) return 1;
+    if (location.startsWith('/history')) return 2;
     return 0;
   }
 }