Stable payment and order process

MidrandBookshop/Components/Pages/Checkout.razor.cs

@@ -19,7 +19,6 @@ public partial class Checkout()
     [Inject] public IOptions<PayfastSettings> PayfastOptions { get; set; } = default!;
     [Inject] private AuthenticationStateProvider AuthStateProvider { get; set; } = default!;
     [Inject] public IJSRuntime JSRuntime { get; set; } = default!;
-    [Inject] private HydrationService HydrationService { get; set; } = default!;
     [Inject] private CancellationToken CancellationToken { get; set; } = default!;
 
     private Cart ShoppingCart => CartService.ShoppingCart;
@@ -38,19 +37,6 @@ public partial class Checkout()
 
         Navigation.LocationChanged += OnLocationChanged;
         CartService.OnCartChanged += CartService_OnCartChanged;
-
-        await CartService.LoadCartFromStorageAsync();
-    }
-
-    protected override async Task OnAfterRenderAsync(bool firstRender)
-    {
-        if (firstRender == false && HydrationService.CartHydrated == false)
-        {
-            await HydrationService.EnsureCustomerExistsAsync(CancellationToken);
-            await HydrationService.RehydrateCartFromPendingOrderAsync(CancellationToken);
-
-            CartService.NotifyStateChanged();
-        }
     }
 
     private async void CartService_OnCartChanged() => await InvokeAsync(StateHasChanged);
@@ -117,13 +103,26 @@ public partial class Checkout()
             var orderHash = HashService.HashEncodeLongId(orderId).Value;
             var paymentGen = await PaymentService.CreatePaymentAsync(ShoppingCart.TotalAmount, orderId, orderHash, CancellationToken);
 
+            long paymentId = 0;
+
+            if (paymentGen.IsSuccess) paymentId = paymentGen.Value;
+
+            if(paymentGen.IsFailed)
+            {
+                var paymentFetch = await PaymentService.GetOrderPaymentAsync(orderId, CancellationToken);
+
+                if (paymentFetch.IsFailed) return;
+
+                paymentId = paymentFetch.Value.Id;
+            }
+
             CreateLedgerEntry ledgerRequest = new()
             {
                 OrderId = orderId,
                 CustomerId = customerId,
-                PaymentGatewayId = 1, // TODO: lookup value to match user selection
+                PaymentGatewayId = 1,
                 PaymentGatewayReference = orderHash,
-                PaymentId = paymentGen.Value,
+                PaymentId = paymentId,
                 Status = LiteCharms.Features.LedgerStatuses.Sent,
             };
             await PaymentService.WriteLedgerEntryAsync(ledgerRequest, CancellationToken);
@@ -135,8 +134,8 @@ public partial class Checkout()
             {
                 { "merchant_id", PayfastOptions.Value.MerchantId! },
                 { "merchant_key", PayfastOptions.Value.MerchantKey! },
-                { "return_url", $"{hostAddress}/payment-success" },
-                { "cancel_url", $"{hostAddress}/payment-failed" },
+                { "return_url", $"{hostAddress}/payment-success?reference={orderHash}" },
+                { "cancel_url", $"{hostAddress}/payment-failed?reference={orderHash}" },
                 { "notify_url", "https://api.uat.midrandbooks.co.za/v1/payments/payfast/confirm" },
                 { "email_address", User?.Claims.FirstOrDefault(c => c.Type == ClaimTypes.Email)!.Value! },
                 { "m_payment_id", orderHash },