backup. before shop update

lib/pages/product_detail_page.dart

@@ -0,0 +1,34 @@
+
+import 'package:flutter/material.dart';
+import 'package:responsive_builder/responsive_builder.dart';
+
+import '../models/business.dart';
+import '../models/product.dart';
+import '../store/actions.dart';
+import '../store/store.dart';
+import '../widgets/desktop/desktop_product_detail_page.dart';
+import '../widgets/mobile/mobile_product_detail_page.dart';
+
+class ProductDetailPage extends StatelessWidget {
+  final Business business;
+  final Product product;
+
+  const ProductDetailPage({this.business, this.product, Key key}) :
+      super(key: key);
+
+
+  @override
+  Widget build(BuildContext context) {
+    store.dispatch(UpdateContext(context));
+
+    return ResponsiveBuilder(
+      builder: (context, sizingInformation) =>
+          ScreenTypeLayout(
+            mobile: MobileProductDetailPage(business: business, product: product,),
+            tablet: DesktopProductDetailPage(business: business, product: product,),
+            desktop: DesktopProductDetailPage(business: business, product: product,),
+          ),
+    );
+  }
+
+}