From a8ac29aa10e89d1de6ca9e30aab062346085d9a9 Mon Sep 17 00:00:00 2001
From: Damian Edwards <damian@damianedwards.com>
Date: Wed, 29 Nov 2023 07:50:59 -0800
Subject: [PATCH] Update eShopLite to not call basket checkout if no current
 basket (#1087)

Port of dotnet/aspire-samples#51
---
 .../eShopLite/MyFrontend/Components/Cart.razor | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/samples/eShopLite/MyFrontend/Components/Cart.razor b/samples/eShopLite/MyFrontend/Components/Cart.razor
index 4bf4dfd5fc..1093905777 100644
--- a/samples/eShopLite/MyFrontend/Components/Cart.razor
+++ b/samples/eShopLite/MyFrontend/Components/Cart.razor
@@ -4,12 +4,12 @@
 <div class="justify-content-end">
     @if (basketIsAvailable)
     {
-        <EditForm action="@Navigation.ToAbsolutePath(Navigation.Uri)" Model="this" FormName="checkout" OnSubmit="HandleCheckout" data-enhance>
+        <EditForm Model="this" FormName="checkout" OnSubmit="HandleCheckout" data-enhance>
             <button type="submit" class="align-content-end cart-button">
                 <span class="fa-stack fa-lg cart-stack pa-4">
                     <i class="fa fa-shopping-cart fa-stack-4x"></i>
                     <i class="fa fa-stack-1x badge">
-                        @itemsInCart
+                        @(customerBasket?.TotalItemCount ?? 0)
                     </i>
                 </span>
             </button>
@@ -18,27 +18,25 @@
 </div>
 
 @code {
+    CustomerBasket? customerBasket;
     bool basketIsAvailable;
-    int itemsInCart = 0;
 
     [Parameter]
     public EventCallback<bool> BasketAvailabilityChanged { get; set; }
 
     protected override async Task OnInitializedAsync()
     {
-        var (basket, isAvailable) = await BasketClient.GetBasketAsync("user");
+        (customerBasket, basketIsAvailable) = await BasketClient.GetBasketAsync("user");
 
-        if (basket is not null)
-        {
-            itemsInCart = basket.TotalItemCount;
-        }
-        basketIsAvailable = isAvailable;
         await BasketAvailabilityChanged.InvokeAsync(basketIsAvailable);
     }
 
     private async Task HandleCheckout()
     {
-        await BasketClient.CheckoutBasketAsync("user");
+        if (customerBasket is not null)
+        {
+            await BasketClient.CheckoutBasketAsync("user");
+        }
 
         // Preserve query string
         Navigation.NavigateTo($"/{new Uri(Navigation.Uri).Query}");