Imported Upstream version 6.6.0.89

Former-commit-id: b39a328747c2f3414dc52e009fb6f0aa80ca2492

external/illinker-test-assets/wasm/BlazingPizza.Client/Pages/Checkout.razor

@@ -0,0 +1,83 @@
+@page "/checkout"
+@inject OrderState OrderState
+@inject HttpClient HttpClient
+@inject IUriHelper UriHelper
+@inject IJSRuntime JSRuntime
+
+<div class="main">
+    <AuthorizeView Context="authContext">
+        <NotAuthorized>
+            <h2>Redirecting you...</h2>
+        </NotAuthorized>
+        <Authorized>
+            <EditForm Model="@OrderState.Order.DeliveryAddress" OnValidSubmit="@PlaceOrder">
+                <div class="checkout-cols">
+                    <div class="checkout-order-details">
+                        <h4>Review order</h4>
+                        <OrderReview Order="@OrderState.Order" />
+                    </div>
+
+                    <div class="checkout-delivery-address">
+                        <h4>Deliver to...</h4>
+                        <AddressEditor Address="@OrderState.Order.DeliveryAddress" />
+                    </div>
+                </div>
+
+                <button type="submit" class="checkout-button btn btn-warning" disabled="@isSubmitting">
+                    Place order
+                </button>
+
+                <DataAnnotationsValidator />
+            </EditForm>
+        </Authorized>
+    </AuthorizeView>
+</div>
+
+@functions {
+    bool isSubmitting;
+    [CascadingParameter] Task<AuthenticationState> AuthenticationStateTask { get; set; }
+
+    protected override async Task OnInitAsync()
+    {
+        var authState = await AuthenticationStateTask;
+        if (!authState.User.Identity.IsAuthenticated)
+        {
+            // The server won't accept orders from unauthenticated users, so avoid
+            // an error by making them log in at this point
+            await LocalStorage.SetAsync(JSRuntime, "currentorder", OrderState.Order);
+            UriHelper.NavigateTo("user/signin?redirectUri=/checkout", true);
+        }
+
+        // Try to recover any temporary saved order
+        if (!OrderState.Order.Pizzas.Any())
+        {
+            var savedOrder = await LocalStorage.GetAsync<Order>(JSRuntime, "currentorder");
+            if (savedOrder != null)
+            {
+                OrderState.ReplaceOrder(savedOrder);
+                await LocalStorage.DeleteAsync(JSRuntime, "currentorder");
+            }
+            else
+            {
+                // There's nothing check out - go to home
+                UriHelper.NavigateTo("");
+            }
+        }
+    }
+
+    async Task PlaceOrder()
+    {
+        isSubmitting = true;
+
+        try
+        {
+            var newOrderId = await HttpClient.PostJsonAsync<int>("orders", OrderState.Order);
+            OrderState.ResetOrder();
+            UriHelper.NavigateTo($"myorders/{newOrderId}");
+        }
+        finally
+        {
+            isSubmitting = false;
+        }
+    }
+}