Add OtpDialogService for mobile-friendly OTP authentication dialog

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

@@ -0,0 +1,31 @@
+using Microsoft.AspNetCore.Components;
+using FrontOffice.Main.Utilities;
+
+namespace FrontOffice.Main.Pages.Store;
+
+public partial class ProductDetail : ComponentBase
+{
+    [Inject] private ProductService ProductService { get; set; } = default!;
+    [Inject] private CartService Cart { get; set; } = default!;
+
+    [Parameter] public long id { get; set; }
+
+    private Product? _product;
+    private bool _loading;
+    private int _qty = 1;
+
+    protected override async Task OnParametersSetAsync()
+    {
+        _loading = true;
+        _product = await ProductService.GetByIdAsync(id);
+        _loading = false;
+    }
+
+    private void AddToCart()
+    {
+        if (_product is null) return;
+        Cart.Add(_product, _qty);
+    }
+
+    private static string FormatPrice(long price) => string.Format("{0:N0} تومان", price);
+}