Stable checkout page

2026-06-11 14:24:42 +02:00
parent e7acb05027
commit 234fb0f2f3
3 changed files with 64 additions and 58 deletions
@@ -0,0 +1,54 @@
+using MidrandBookshop.Services.ShoppingCart;
+using MidrandBookshop.Services.ShoppingCart.Models;
+
+namespace MidrandBookshop.Components.Pages;
+
+public partial class Checkout(CartService cartService)
+{
+    [Inject]
+    private AuthenticationStateProvider AuthStateProvider { get; set; } = default!;
+
+    private Services.ShoppingCart.Models.Cart ShoppingCart => cartService.ShoppingCart;
+
+    private AuthenticationState? AuthState { get; set; }
+    private System.Security.Claims.ClaimsPrincipal? User { get; set; }
+    private bool IsAuthenticated => User?.Identity?.IsAuthenticated ?? false;
+
+    private decimal ShippingCost = 0;
+    private bool IsSameAddress = true;
+
+    private decimal OrderTotalAmount => ShoppingCart.TotalAmount + ShoppingCart.TotalVat + ShippingCost;
+
+    protected override async Task OnInitializedAsync()
+    {
+        AuthState = await AuthStateProvider.GetAuthenticationStateAsync();
+        User = AuthState!.User;
+
+        Navigation.LocationChanged += OnLocationChanged;
+        cartService.OnCartChanged += CartService_OnCartChanged;
+    }
+
+    private async void CartService_OnCartChanged() => await InvokeAsync(StateHasChanged);
+
+    private void OnLocationChanged(object? sender, LocationChangedEventArgs e) => StateHasChanged();
+
+    private async void ChangeQuantity(CartItem item, int delta)
+    {
+        var peekQuantity = item.Quantity + delta;
+
+        if (peekQuantity < 1) return;
+
+        cartService.UpdateQuantity(item.Price!.Id, delta);
+
+        await cartService.SaveCartToStorageAsync();
+    }
+
+    private async void RemoveFromCart(CartItem item)
+    {
+        cartService.RemoveOneItem(item.Price!.Id);
+
+        await cartService.SaveCartToStorageAsync();
+    }
+
+    private void CompletePurchase(MouseEventArgs args) => Navigation.NavigateTo("/payment-confirmation");
+}