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eShopLite: Don't checkout if there's no user basket #51

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merged 1 commit into from
Nov 29, 2023
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eShopLite: Don't checkout if there's no user basket #51

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17 changes: 7 additions & 10 deletions samples/eShopLite/eShopLite.Frontend/Components/Cart.razor
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@
<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>
Expand All @@ -18,28 +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}");
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Should the NavigateTo only be called if there is a customer basket as well?

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We're still in a POST request so we need to perform the redirect (post-redirect-get).

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