home added

lib/shop_detail_screen.dart

@@ -39,6 +39,7 @@ class _ShopDetailScreenState extends State<ShopDetailScreen> {
   void initState() {
     super.initState();
     _future = _load();
+    widget.repository.addListener(_reload);
     widget.repository
         .getUsedShopTags()
         .then((tags) {
@@ -47,6 +48,12 @@ class _ShopDetailScreenState extends State<ShopDetailScreen> {
         .catchError((_) {});
   }
 
+  @override
+  void dispose() {
+    widget.repository.removeListener(_reload);
+    super.dispose();
+  }
+
   Future<({Shop shop, List<ShopItem> items})> _load() async {
     final shop = await widget.repository.getShop(widget.shopId);
     if (shop == null) {
@@ -57,6 +64,7 @@ class _ShopDetailScreenState extends State<ShopDetailScreen> {
   }
 
   void _reload() {
+    if (!mounted) return;
     setState(() => _future = _load());
   }
 
@@ -276,7 +284,9 @@ class _ShopDetailScreenState extends State<ShopDetailScreen> {
                           formatEuro(item.price),
                           style: theme.textTheme.titleMedium,
                         ),
-                  onTap: _editing ? null : () => _openProduct(item.productId),
+                  onTap: _editing || item.productId == null
+                      ? null
+                      : () => _openProduct(item.productId!),
                 ),
               const Divider(),
               ListTile(