Added user feedback toaster messages

MidrandBookshop/Components/Pages/Checkout.razor.cs

@@ -20,6 +20,7 @@ public partial class Checkout()
     [Inject] private AuthenticationStateProvider AuthStateProvider { get; set; } = default!;
     [Inject] public IJSRuntime JSRuntime { get; set; } = default!;
     [Inject] private CancellationToken CancellationToken { get; set; } = default!;
+    [Inject] public IToastService ToastService { get; set; } = default!;
 
     private Cart ShoppingCart => CartService.ShoppingCart;
     private ClaimsPrincipal? User { get; set; }
@@ -63,7 +64,12 @@ public partial class Checkout()
 
     private async Task PayNow(MouseEventArgs args)
     {
-        if (IsProcessing) return;
+        if (IsProcessing)
+        {
+            ToastService.ShowWarning("Please wait, completing your payment", "Busy...");
+
+            return;
+        }
 
         try
         {
@@ -111,7 +117,12 @@ public partial class Checkout()
             {
                 var paymentFetch = await PaymentService.GetOrderPaymentAsync(orderId, CancellationToken);
 
-                if (paymentFetch.IsFailed) return;
+                if (paymentFetch.IsFailed)
+                {
+                    ToastService.ShowError("Failed to get fetch your previously made payment", "Payment Check");
+
+                    return;
+                }
 
                 paymentId = paymentFetch.Value.Id;
             }
@@ -150,8 +161,10 @@ public partial class Checkout()
 
             await JSRuntime.InvokeVoidAsync("eval", "document.getElementById('payfastForm').submit();");
         }
-        catch
+        catch(Exception ex)
         {
+            ToastService.ShowError($"Failed to perform checkout: {ex.Message}", "Checkout");
+
             IsProcessing = false;
             StateHasChanged();
         }