[104] Fix filtering 104 complete (#109)

Author: willlarche

mdc_100_series/lib/home.dart

@@ -25,6 +25,6 @@ class HomePage extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return AsymmetricView(products: ProductsRepository.loadProducts());
+    return AsymmetricView(products: ProductsRepository.loadProducts(category));
   }
 }

mdc_100_series/lib/model/products_repository.dart

@@ -15,8 +15,8 @@
 import 'product.dart';
 
 class ProductsRepository {
-  static List<Product> loadProducts() {
-    return const [
+  static List<Product> loadProducts(Category category) {
+    const allProducts = <Product> [
       Product(
         category: Category.accessories,
         id: 0,
@@ -284,5 +284,12 @@ class ProductsRepository {
         price: 58,
       ),
     ];
+    if (category == Category.all) {
+      return allProducts;
+    } else {
+      return allProducts.where((Product p) {
+        return p.category == category;
+      }).toList();
+    }
   }
 }