Implemented AddToCart functionality on home page

MidrandBookshop/Components/BookCard.razor.cs

@@ -1,4 +1,9 @@
-namespace MidrandBookshop.Components;
+using LiteCharms.Features.MidrandBooks.AuthorBooks;
+using LiteCharms.Features.MidrandBooks.Authors;
+using LiteCharms.Features.MidrandBooks.Payments;
+using LiteCharms.Features.MidrandBooks.Products;
+
+namespace MidrandBookshop.Components;
 
 public partial class BookCard
 {
@@ -11,4 +16,29 @@ public partial class BookCard
     [Parameter] public string BookImageUrl { get; set; } = string.Empty;
 
     [Parameter] public EventCallback OnCardClick { get; set; }
+
+    [Inject] private CartService CartService { get; set; } = default!;
+    [Inject] private ProductService ProductService { get; set; } = default!;
+    [Inject] private AuthorService AuthorService { get; set; } = default!;
+    [Inject] private BooksService BooksService { get; set; } = default!;
+    [Inject] private IToastService ToastService { get; set; } = default!;
+    [Inject] private CancellationToken CancellationToken { get; set; } = default!;
+
+    private async Task HandleAddToCart()
+    {
+        try
+        {
+            var bookFetch = await BooksService.GetBookByProductIdAsync(Id, CancellationToken);            
+            var authorFetch = await AuthorService.GetAuthorAsync(bookFetch.Value.AuthorId, CancellationToken);
+            var productPriceFetch = await ProductService.GetProductPriceAsync(Id, CancellationToken);
+
+            CartService.AddItem(productPriceFetch.Value, bookFetch.Value.Product!, authorFetch.Value);
+
+            ToastService.ShowSuccess($"Added '{Title}' to your order.", "Add To Cart");
+        }
+        catch
+        {
+            ToastService.ShowError("Could not update cart. Please try again.");
+        }
+    }
 }