FrontOffice/src/FrontOffice.Main/Pages/Store/Cart.razor.cs

using Microsoft.AspNetCore.Components;
using FrontOffice.Main.Utilities;

namespace FrontOffice.Main.Pages.Store;

public partial class Cart : ComponentBase, IDisposable
{
    [Inject] private CartService CartService { get; set; } = default!;
    // Navigation and Snackbar are available via _Imports.razor
    private CartService CartData => CartService;

    protected override void OnInitialized()
    {
        CartService.OnChange += StateHasChanged;
    }

    private async Task ChangeQty(long productId, int value)
    {
        await CartService.UpdateQuantity(productId, value);
    }

    private async Task Remove(long productId)
    {
        await CartService.Remove(productId);
    }

    private void ProceedCheckout()
    {
        Navigation.NavigateTo(RouteConstants.Store.CheckoutSummary);
    }

    private static string FormatPrice(long price) => string.Format("{0:N0} تومان", price);

    public void Dispose()
    {
        CartService.OnChange -= StateHasChanged;
    }
}