Using shared service for Cart management

MidrandBookshop/Components/Layout/MainLayout.razor.cs

@@ -1,5 +1,5 @@
-using MidrandBookshop.Services.ShoppingCart;
+using LiteCharms.Features.MidrandBooks.Payments;
-using MidrandBookshop.Services.ShoppingCart.Models;
+using LiteCharms.Features.MidrandBooks.Payments.Models;
 
 namespace MidrandBookshop.Components.Layout;
 

MidrandBookshop/Components/Pages/CartReview.razor.cs

@@ -1,11 +1,11 @@
-using MidrandBookshop.Services.ShoppingCart;
+using LiteCharms.Features.MidrandBooks.Payments;
-using MidrandBookshop.Services.ShoppingCart.Models;
+using LiteCharms.Features.MidrandBooks.Payments.Models;
 
 namespace MidrandBookshop.Components.Pages;
 
-public partial class Cart(CartService cartService)
+public partial class CartReview(CartService cartService)
 {
-    protected Services.ShoppingCart.Models.Cart ShoppingCart => cartService?.ShoppingCart!;
+    protected Cart ShoppingCart => cartService?.ShoppingCart!;
 
     protected async void IncreaseQty(CartItem item)
     {

MidrandBookshop/Components/Pages/Checkout.razor.cs

@@ -1,5 +1,5 @@
-using MidrandBookshop.Services.ShoppingCart;
+using LiteCharms.Features.MidrandBooks.Payments;
-using MidrandBookshop.Services.ShoppingCart.Models;
+using LiteCharms.Features.MidrandBooks.Payments.Models;
 
 namespace MidrandBookshop.Components.Pages;
 
@@ -8,7 +8,7 @@ public partial class Checkout(CartService cartService)
     [Inject]
     private AuthenticationStateProvider AuthStateProvider { get; set; } = default!;
 
-    private Services.ShoppingCart.Models.Cart ShoppingCart => cartService.ShoppingCart;
+    private LiteCharms.Features.MidrandBooks.Payments.Models.Cart ShoppingCart => cartService.ShoppingCart;
 
     private AuthenticationState? AuthState { get; set; }
     private System.Security.Claims.ClaimsPrincipal? User { get; set; }

MidrandBookshop/Components/Pages/ProductView.razor.cs

@@ -1,10 +1,10 @@
 using LiteCharms.Features;
 using LiteCharms.Features.MidrandBooks.Authors;
 using LiteCharms.Features.MidrandBooks.Authors.Models;
+using LiteCharms.Features.MidrandBooks.Payments;
+using LiteCharms.Features.MidrandBooks.Payments.Models;
 using LiteCharms.Features.MidrandBooks.Products;
 using LiteCharms.Features.MidrandBooks.Products.Models;
-using Microsoft.AspNetCore.Cors.Infrastructure;
-using MidrandBookshop.Services.ShoppingCart;
 
 namespace MidrandBookshop.Components.Pages;
 
@@ -17,7 +17,7 @@ public partial class ProductView : ComponentBase
     [Inject] private NavigationManager Navigation { get; set; } = default!;
     [Inject] private CartService CartService { get; set; } = default!;
 
-    protected Services.ShoppingCart.Models.Cart ShoppingCart => CartService?.ShoppingCart!;
+    protected Cart ShoppingCart => CartService?.ShoppingCart!;
 
     protected bool IsLoading { get; private set; } = true;
     protected Product? CurrentProduct { get; private set; }

MidrandBookshop/MidrandBookshop.csproj

@@ -18,13 +18,13 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="LiteCharms.Features" Version="1.101.0" />
+    <PackageReference Include="LiteCharms.Features" Version="1.102.0" />
   </ItemGroup>
 
   <!-- UI -->
   <ItemGroup>
     <PackageReference Include="ANM.Blazored.Toast" Version="0.1.1" />
-    <PackageReference Include="LiteCharms.Features.MidrandBooks" Version="1.101.0" />
+    <PackageReference Include="LiteCharms.Features.MidrandBooks" Version="1.102.0" />
     
     <!-- Global Usings -->
     <Using Include="Blazored.Toast.Services" />

MidrandBookshop/Program.cs

@@ -3,7 +3,6 @@ using LiteCharms.Features.Mediator;
 using LiteCharms.Features.MidrandBooks.Extensions;
 using Microsoft.AspNetCore.HttpOverrides;
 using MidrandBookshop.Components;
-using MidrandBookshop.Services.ShoppingCart;
 using static LiteCharms.Features.Extensions.Quartz;
 
 var builder = WebApplication.CreateBuilder(args);
@@ -27,7 +26,6 @@ builder.Services.AddEmailServiceBus();
 
 builder.Services.AddHttpClient();
 builder.Services.AddShopServices();
-builder.Services.AddScoped<CartService>();
 builder.Services.AddHashServices(builder.Configuration);
 builder.Services.AddMidrandShopDatabase(builder.Configuration);
 

MidrandBookshop/Services/ShoppingCart/CartService.cs

@@ -1,153 +0,0 @@
-using LiteCharms.Features.Browser;
-using LiteCharms.Features.Hasher;
-using LiteCharms.Features.MidrandBooks.Authors.Models;
-using LiteCharms.Features.MidrandBooks.Products.Models;
-using MidrandBookshop.Services.ShoppingCart.Models;
-
-namespace MidrandBookshop.Services.ShoppingCart;
-
-public sealed class CartService(LocalStorageService localStorage)
-{
-    private readonly string CartStorageKey = HashService.ToMd5Hash(nameof(Cart)).Value;
-
-    public Cart ShoppingCart { get; private set; } = new();
-
-    public event Action? OnCartChanged;
-
-    public static Func<Cart, long, int> GetCartItemQuantity = (shoppingCart, productPriceId) =>
-        shoppingCart.Items.FirstOrDefault(p => p.Price!.Id == productPriceId)?.Quantity ?? 1;
-
-    public Cart GetCart() => ShoppingCart;
-
-    public void NotifyStateChanged() => OnCartChanged?.Invoke();
-
-    public async Task LoadCartFromStorageAsync()
-    {
-        var loadResult = await localStorage.GetAsync<Cart>(CartStorageKey);
-
-        if (loadResult.IsFailed) await localStorage.SaveAsync(CartStorageKey, ShoppingCart);
-
-        if (loadResult.IsSuccess) ShoppingCart = loadResult.Value;
-
-        NotifyStateChanged();
-    }
-
-    public async Task SaveCartToStorageAsync() => await localStorage.SaveAsync(CartStorageKey, ShoppingCart);
-
-    public void AddItem(ProductPrice productPrice, Product product, Author author)
-    {
-        var itemExists = false;
-
-        for (var i = 0; i < ShoppingCart.Items.Count; i++)
-        {
-            if (ShoppingCart.Items[i].Price!.Id == productPrice.Id)
-            {
-                ShoppingCart.Items[i].Quantity++;
-                ShoppingCart.Items[i].Amount += productPrice.Amount;
-
-                itemExists = true;
-
-                break;
-            }
-        }
-
-        if (!itemExists)
-            ShoppingCart.Items.Add(new CartItem
-            {
-                Product = product,
-                Author = author,
-                Price = productPrice,
-                Amount = productPrice.Amount,
-                Quantity = 1,
-            });
-
-        CalculateTotalPrice();
-        NotifyStateChanged();
-    }
-
-    public void UpdateQuantity(long productPriceId, int delta)
-    {
-        for (var i = 0; i < ShoppingCart.Items.Count; i++)
-        {
-            if (ShoppingCart.Items[i].Price!.Id == productPriceId)
-            {
-                var oldQuantity = ShoppingCart.Items[i].Quantity;
-                var pricePerUnit = ShoppingCart.Items[i].Price!.Amount;
-
-                ShoppingCart.Items[i].Quantity += delta;
-                ShoppingCart.Items[i].Amount = pricePerUnit * ShoppingCart.Items[i].Quantity;
-                break;
-            }
-        }
-
-        CalculateTotalPrice();
-        NotifyStateChanged();
-    }
-
-    public void RemoveOneItem(long productPriceId)
-    {
-        for (var i = 0; i < ShoppingCart.Items.Count; i++)
-        {
-            if (ShoppingCart.Items[i].Price!.Id == productPriceId)
-            {
-                if (ShoppingCart.Items[i].Quantity <= 1)
-                {
-                    ShoppingCart.Items.Remove(ShoppingCart.Items[i]);
-
-                    break;
-                }
-                else
-                {
-                    ShoppingCart.Items[i].Quantity--;
-                    ShoppingCart.Items[i].Amount -= ShoppingCart.Items[i].Price!.Amount;
-                }
-
-                break;
-            }
-        }
-
-        CalculateTotalPrice();
-        NotifyStateChanged();
-    }
-
-    public void RemoveAllSameItem(long productPriceId)
-    {
-        if (ShoppingCart.Items.Count == 0) return;
-
-        var item = ShoppingCart.Items.FirstOrDefault(i => i.Price?.Id == productPriceId);
-
-        if (item is not null) ShoppingCart.Items.Remove(item);
-
-        CalculateTotalPrice();
-        NotifyStateChanged();
-    }
-
-    public void Clear()
-    {
-        if(ShoppingCart.CustomerId is not null || ShoppingCart.OrderId is not null)
-        {
-            ShoppingCart.TotalAmount = 0;
-            ShoppingCart.TotalVat = 0;
-            ShoppingCart.Items.Clear();
-
-            return;
-        }
-
-        ShoppingCart = new Cart();
-
-        NotifyStateChanged();
-    }
-
-    public decimal CalculateTotalPrice()
-    {
-        if (ShoppingCart.Items.Count == 0) return 0;
-
-        var gross = ShoppingCart.Items.Sum(i => i.Amount);
-
-        if (!ShoppingCart.IsVatInclusive) ShoppingCart.TotalVat = gross * ShoppingCart.VatRate;
-
-        ShoppingCart.TotalAmount = gross + ShoppingCart.TotalVat;
-
-        return ShoppingCart.TotalAmount;
-    }
-}

MidrandBookshop/Services/ShoppingCart/Models/Cart.cs

@@ -1,18 +0,0 @@
-namespace MidrandBookshop.Services.ShoppingCart.Models;
-
-public sealed class Cart
-{
-    public long? CustomerId { get; set; }
-
-    public long? OrderId { get; set; }
-
-    public decimal TotalAmount { get; set; }
-
-    public decimal TotalVat { get; set; }
-
-    public decimal VatRate { get; set; } = 0.15m;
-
-    public bool IsVatInclusive { get; set; } = true;
-
-    public IList<CartItem> Items { get; set; } = [];
-}

MidrandBookshop/Services/ShoppingCart/Models/CartItem.cs

@@ -1,17 +0,0 @@
-using LiteCharms.Features.MidrandBooks.Authors.Models;
-using LiteCharms.Features.MidrandBooks.Products.Models;
-
-namespace MidrandBookshop.Services.ShoppingCart.Models;
-
-public sealed class CartItem
-{
-    public Author? Author { get; set; }
-
-    public Product? Product { get; set; }
-
-    public ProductPrice? Price { get; set; }
-
-    public int Quantity { get; set; }
-
-    public decimal Amount { get; set; }
-}