Add: CartProvider

lib/pages/basket.dart

@@ -3,9 +3,11 @@ import 'package:gymlink_module_web/components/app_bar.dart';
 import 'package:gymlink_module_web/components/basket_item_card.dart';
 import 'package:gymlink_module_web/components/heading.dart';
 import 'package:gymlink_module_web/pages/order_confirmation.dart';
+import 'package:gymlink_module_web/providers/cart.dart';
 import 'package:gymlink_module_web/tools/prefs.dart';
 import 'package:gymlink_module_web/tools/routes.dart';
 import 'package:lazy_load_scrollview/lazy_load_scrollview.dart';
+import 'package:provider/provider.dart';
 
 List<Map<String, dynamic>> cart = [
   {
@@ -73,6 +75,10 @@ class _BasketPageState extends State<BasketPage> {
     });
   }
 
+  void _updateCart() {
+    Provider.of<CartProvider>(context, listen: false).updateCartLength();
+  }
+
   void removeItem(String id) async {
     final item = cartItems.firstWhere((element) => element['id'] == id);
     bool toDelete = false;
@@ -136,6 +142,9 @@ class _BasketPageState extends State<BasketPage> {
                 setState(() {
                   cartItems.removeWhere((element) => element['id'] == id);
                 });
+                if (mounted) {
+                  _updateCart();
+                }
                 Navigator.of(context).pop();
               },
             ),
@@ -173,6 +182,9 @@ class _BasketPageState extends State<BasketPage> {
                 setState(() {
                   cartItems = [];
                 });
+                if (mounted) {
+                  _updateCart();
+                }
                 Navigator.of(context).pop();
               },
             ),