401 fix (#408)

* transfer basket on login

* review page

* unit tests for TransferBasketAsync

src/ApplicationCore/Services/BasketService.cs

@@ -59,11 +59,22 @@ namespace Microsoft.eShopWeb.ApplicationCore.Services
         {
             Guard.Against.NullOrEmpty(anonymousId, nameof(anonymousId));
             Guard.Against.NullOrEmpty(userName, nameof(userName));
-            var basketSpec = new BasketWithItemsSpecification(anonymousId);
-            var basket = (await _basketRepository.FirstOrDefaultAsync(basketSpec));
-            if (basket == null) return;
-            basket.SetNewBuyerId(userName);
-            await _basketRepository.UpdateAsync(basket);
+            var anonymousBasketSpec = new BasketWithItemsSpecification(anonymousId);
+            var anonymousBasket = await _basketRepository.FirstOrDefaultAsync(anonymousBasketSpec);
+            if (anonymousBasket == null) return;
+            var userBasketSpec = new BasketWithItemsSpecification(userName);
+            var userBasket = await _basketRepository.FirstOrDefaultAsync(userBasketSpec);
+            if (userBasket == null)
+            {
+                userBasket = new Basket(userName);
+                await _basketRepository.AddAsync(userBasket);
+            }
+            foreach (var item in anonymousBasket.Items)
+            {
+                userBasket.AddItem(item.CatalogItemId, item.UnitPrice, item.Quantity);
+            }
+            await _basketRepository.UpdateAsync(userBasket);
+            await _basketRepository.DeleteAsync(anonymousBasket);
         }
     }
 }

src/Web/Areas/Identity/Pages/Account/Login.cshtml.cs

@@ -10,6 +10,7 @@ using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.RazorPages;
 using Microsoft.eShopWeb.Infrastructure.Identity;
 using Microsoft.Extensions.Logging;
+using Microsoft.eShopWeb.ApplicationCore.Interfaces;
 
 namespace Microsoft.eShopWeb.Web.Areas.Identity.Pages.Account
 {
@@ -18,11 +19,13 @@ namespace Microsoft.eShopWeb.Web.Areas.Identity.Pages.Account
     {
         private readonly SignInManager<ApplicationUser> _signInManager;
         private readonly ILogger<LoginModel> _logger;
+        private readonly IBasketService _basketService;
 
-        public LoginModel(SignInManager<ApplicationUser> signInManager, ILogger<LoginModel> logger)
+        public LoginModel(SignInManager<ApplicationUser> signInManager, ILogger<LoginModel> logger, IBasketService basketService)
         {
             _signInManager = signInManager;
             _logger = logger;
+            _basketService = basketService;
         }
 
         [BindProperty]
@@ -78,6 +81,7 @@ namespace Microsoft.eShopWeb.Web.Areas.Identity.Pages.Account
                 if (result.Succeeded)
                 {
                     _logger.LogInformation("User logged in.");
+                    await TransferAnonymousBasketToUserAsync(Input.Email);
                     return LocalRedirect(returnUrl);
                 }
                 if (result.RequiresTwoFactor)
@@ -99,5 +103,15 @@ namespace Microsoft.eShopWeb.Web.Areas.Identity.Pages.Account
             // If we got this far, something failed, redisplay form
             return Page();
         }
+
+        private async Task TransferAnonymousBasketToUserAsync(string userName)
+        {
+            if (Request.Cookies.ContainsKey(Constants.BASKET_COOKIENAME))
+            {
+                var anonymousId = Request.Cookies[Constants.BASKET_COOKIENAME];
+                await _basketService.TransferBasketAsync(anonymousId, userName);
+                Response.Cookies.Delete(Constants.BASKET_COOKIENAME);
+            }
+        }
     }
 }

src/Web/Pages/Basket/Checkout.cshtml

@@ -1,7 +1,7 @@
 @page
 @model CheckoutModel
 @{
-    ViewData["Title"] = "Checkout Complete";
+    ViewData["Title"] = "Checkout";
 }
 <section class="esh-catalog-hero">
     <div class="container">
@@ -10,7 +10,77 @@
 </section>
 
 <div class="container">
-    <h1>Thanks for your Order!</h1>
+    <h1>Review</h1>
+    @if (Model.BasketModel.Items.Any())
+    {
+        <form asp-page="Checkout" method="post">
+            <article class="esh-basket-titles row">
+                <br />
+                <section class="esh-basket-title col-xs-3">Product</section>
+                <section class="esh-basket-title col-xs-3 hidden-lg-down"></section>
+                <section class="esh-basket-title col-xs-2">Price</section>
+                <section class="esh-basket-title col-xs-2">Quantity</section>
+                <section class="esh-basket-title col-xs-2">Cost</section>
+            </article>
+            <div class="esh-catalog-items row">
+                <div asp-validation-summary="All" class="text-danger"></div>
+                @for (int i = 0; i < Model.BasketModel.Items.Count; i++)
+                {
+                    var item = Model.BasketModel.Items[i];
+                    <article class="esh-basket-items row">
+                        <div>
+                            <section class="esh-basket-item esh-basket-item--middle col-lg-3 hidden-lg-down">
+                                <img class="esh-basket-image" src="@item.PictureUrl" />
+                            </section>
+                            <section class="esh-basket-item esh-basket-item--middle col-xs-3">@item.ProductName</section>
+                            <section class="esh-basket-item esh-basket-item--middle col-xs-2">$ @item.UnitPrice.ToString("N2")</section>
+                            <section class="esh-basket-item esh-basket-item--middle col-xs-2">
+                                <input type="hidden" name="@("Items[" + i + "].Id")" value="@item.Id" />
+                                <input type="hidden" name="@("Items[" + i + "].Quantity")" value="@item.Quantity" />
+                                @item.Quantity
+                            </section>
+                            <section class="esh-basket-item esh-basket-item--middle esh-basket-item--mark col-xs-2">$ @Math.Round(item.Quantity * item.UnitPrice, 2).ToString("N2")</section>
+                        </div>
+                        <div class="row">
+
+                        </div>
+                    </article>
+                }
+
+                <div class="container">
+                    <article class="esh-basket-titles esh-basket-titles--clean row">
+                        <section class="esh-basket-title col-xs-10"></section>
+                        <section class="esh-basket-title col-xs-2">Total</section>
+                    </article>
+
+                    <article class="esh-basket-items row">
+                        <section class="esh-basket-item col-xs-10"></section>
+                        <section class="esh-basket-item esh-basket-item--mark col-xs-2">$ @Model.BasketModel.Total().ToString("N2")</section>
+                    </article>
 
-    <a asp-page="/Index">Continue Shopping...</a>
+                    <article class="esh-basket-items row">
+                        <section class="esh-basket-item col-xs-7"></section>
+                    </article>
+                </div>
+                <div class="row">
+                    <section class="esh-basket-item col-xs-1">
+                        <a asp-page="Index" class="btn esh-basket-checkout text-white">[ Back ]</a>
+                    </section>
+                    <section class="esh-basket-item col-xs-push-7 col-xs-4 text-right">
+                        <input type="submit" class="btn esh-basket-checkout" value="[ Pay Now ]" />
+                    </section>
+                </div>
+            </div>
+        </form>
+    }
+    else
+    {
+        <h3 class="esh-catalog-items row">
+            Basket is empty.
+        </h3>
+
+        <section class="esh-basket-item">
+            <a asp-page="/Index" class="btn esh-basket-checkout text-white">[ Continue Shopping..]</a>
+        </section>
+    }
 </div>

src/Web/Pages/Basket/Checkout.cshtml.cs

@@ -1,4 +1,5 @@
-using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Identity;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.RazorPages;
@@ -14,6 +15,7 @@ using System.Threading.Tasks;
 
 namespace Microsoft.eShopWeb.Web.Pages.Basket
 {
+    [Authorize]
     public class CheckoutModel : PageModel
     {
         private readonly IBasketService _basketService;
@@ -40,13 +42,7 @@ namespace Microsoft.eShopWeb.Web.Pages.Basket
 
         public async Task OnGet()
         {
-            if (HttpContext.Request.Query.ContainsKey(Constants.BASKET_ID))
-            {
-                var basketId = int.Parse(HttpContext.Request.Query[Constants.BASKET_ID]);
-                await _basketService.TransferBasketAsync(Request.Cookies[Constants.BASKET_COOKIENAME], User.Identity.Name);
-                await _orderService.CreateOrderAsync(basketId, new Address("123 Main St.", "Kent", "OH", "United States", "44240"));
-                await _basketService.DeleteBasketAsync(basketId);
-            }
+            await SetBasketModelAsync();
         }
 
         public async Task<IActionResult> OnPost(IEnumerable<BasketItemViewModel> items)
@@ -72,7 +68,7 @@ namespace Microsoft.eShopWeb.Web.Pages.Basket
                 return RedirectToPage("/Basket/Index");
             }
 
-            return RedirectToPage();
+            return RedirectToPage("Success");
         }
 
         private async Task SetBasketModelAsync()

src/Web/Pages/Basket/Index.cshtml

@@ -71,16 +71,7 @@
                                 asp-page-handler="Update">
                             [ Update ]
                         </button>
-                        @{ 
-                           var data = new Dictionary<string, string>
-                           {
-                               { Constants.BASKET_ID, Model.BasketModel.Id.ToString() },
-                           }; 
-                        }
-                            <input type="submit" asp-page="Checkout"
-                                   class="btn esh-basket-checkout"
-                                   asp-all-route-data=data
-                                   value="[ Checkout ]" name="action" />
+                        <a asp-page="./Checkout" class="btn esh-basket-checkout">[ Checkout ]</a>
                     </section>
                 </div>
             </div>

src/Web/Pages/Basket/Success.cshtml

@@ -0,0 +1,17 @@
+@page
+@model SuccessModel
+@{
+    ViewData["Title"] = "Checkout Complete";
+}
+
+<section class="esh-catalog-hero">
+    <div class="container">
+        <img class="esh-catalog-title" src="~/images/main_banner_text.png" />
+    </div>
+</section>
+
+<div class="container">
+    <h1>Thanks for your Order!</h1>
+
+    <a asp-page="/Index">Continue Shopping...</a>
+</div>

src/Web/Pages/Basket/Success.cshtml.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+
+namespace Microsoft.eShopWeb.Web.Pages.Basket
+{
+    [Authorize]
+    public class SuccessModel : PageModel
+    {
+        public void OnGet()
+        {
+
+        }
+    }
+}

src/Web/Web.csproj

@@ -21,7 +21,7 @@
     <PackageReference Include="BuildBundlerMinifier" Version="2.9.406" Condition="'$(Configuration)'=='Release'" PrivateAssets="All" />
     <PackageReference Include="Microsoft.CodeAnalysis" Version="3.5.0" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="3.1.4" />
-    <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="3.1.2" />
+    <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="3.1.3" />
     <PackageReference Include="Microsoft.Web.LibraryManager.Build" Version="2.1.76" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="5.4.1" />
     <PackageReference Include="Swashbuckle.AspNetCore.SwaggerUI" Version="5.4.1" />

src/Web/wwwroot/css/basket/basket.component.css

@@ -46,3 +46,5 @@
     .esh-basket-checkout:hover {
       background-color: #4a760f;
       transition: all 0.35s; }
+    .esh-basket-checkout:visited {
+      color: #FFFFFF; }

src/Web/wwwroot/css/basket/basket.component.min.css

@@ -1 +1 @@
-.esh-basket{min-height:80vh;}.esh-basket-titles{padding-bottom:1rem;padding-top:2rem;}.esh-basket-titles--clean{padding-bottom:0;padding-top:0;}.esh-basket-title{text-transform:uppercase;}.esh-basket-items--border{border-bottom:1px solid #eee;padding:.5rem 0;}.esh-basket-items--border:last-of-type{border-color:transparent;}.esh-basket-items-margin-left1{margin-left:1px;}.esh-basket-item{font-size:1rem;font-weight:300;}.esh-basket-item--middle{line-height:8rem;}@media screen and (max-width:1024px){.esh-basket-item--middle{line-height:1rem;}}.esh-basket-item--mark{color:#00a69c;}.esh-basket-image{height:8rem;}.esh-basket-input{line-height:1rem;width:100%;}.esh-basket-checkout{background-color:#83d01b;border:0;border-radius:0;color:#fff;display:inline-block;font-size:1rem;font-weight:400;margin-top:1rem;padding:1rem 1.5rem;text-align:center;text-transform:uppercase;transition:all .35s;}.esh-basket-checkout:hover{background-color:#4a760f;transition:all .35s;}
+.esh-basket{min-height:80vh;}.esh-basket-titles{padding-bottom:1rem;padding-top:2rem;}.esh-basket-titles--clean{padding-bottom:0;padding-top:0;}.esh-basket-title{text-transform:uppercase;}.esh-basket-items--border{border-bottom:1px solid #eee;padding:.5rem 0;}.esh-basket-items--border:last-of-type{border-color:transparent;}.esh-basket-items-margin-left1{margin-left:1px;}.esh-basket-item{font-size:1rem;font-weight:300;}.esh-basket-item--middle{line-height:8rem;}@media screen and (max-width:1024px){.esh-basket-item--middle{line-height:1rem;}}.esh-basket-item--mark{color:#00a69c;}.esh-basket-image{height:8rem;}.esh-basket-input{line-height:1rem;width:100%;}.esh-basket-checkout{background-color:#83d01b;border:0;border-radius:0;color:#fff;display:inline-block;font-size:1rem;font-weight:400;margin-top:1rem;padding:1rem 1.5rem;text-align:center;text-transform:uppercase;transition:all .35s;}.esh-basket-checkout:hover{background-color:#4a760f;transition:all .35s;}.esh-basket-checkout:visited{color:#fff;}

src/Web/wwwroot/css/basket/basket.component.scss

@@ -82,6 +82,10 @@
             background-color: $color-secondary-darker;
             transition: all $animation-speed-default;
         }
+
+        &:visited {
+            color: $color-foreground-brighter;
+        }
     }
 }
 

tests/UnitTests/ApplicationCore/Services/BasketServiceTests/TransferBasket.cs

@@ -1,5 +1,12 @@
-using Microsoft.eShopWeb.ApplicationCore.Services;
+using Ardalis.Specification;
+using Microsoft.eShopWeb.ApplicationCore.Entities.BasketAggregate;
+using Microsoft.eShopWeb.ApplicationCore.Interfaces;
+using Microsoft.eShopWeb.ApplicationCore.Services;
+using Microsoft.eShopWeb.ApplicationCore.Specifications;
+using Moq;
 using System;
+using System.Collections.Generic;
+using System.Linq;
 using System.Threading.Tasks;
 using Xunit;
 
@@ -7,6 +14,17 @@ namespace Microsoft.eShopWeb.UnitTests.ApplicationCore.Services.BasketServiceTes
 {
     public class TransferBasket
     {
+        private readonly string _nonexistentAnonymousBasketBuyerId = "nonexistent-anonymous-basket-buyer-id";
+        private readonly string _existentAnonymousBasketBuyerId = "existent-anonymous-basket-buyer-id";
+        private readonly string _nonexistentUserBasketBuyerId = "newuser@microsoft.com";
+        private readonly string _existentUserBasketBuyerId = "testuser@microsoft.com";
+        private readonly Mock<IAsyncRepository<Basket>> _mockBasketRepo;
+
+        public TransferBasket()
+        {
+            _mockBasketRepo = new Mock<IAsyncRepository<Basket>>();
+        }
+
         [Fact]
         public async Task ThrowsGivenNullAnonymousId()
         {
@@ -22,5 +40,66 @@ namespace Microsoft.eShopWeb.UnitTests.ApplicationCore.Services.BasketServiceTes
 
             await Assert.ThrowsAsync<ArgumentNullException>(async () => await basketService.TransferBasketAsync("abcdefg", null));
         }
+
+        [Fact]
+        public async Task InvokesBasketRepositoryFirstOrDefaultAsyncOnceIfAnonymousBasketNotExists()
+        {
+            var anonymousBasket = null as Basket;
+            var userBasket = new Basket(_existentUserBasketBuyerId);
+            _mockBasketRepo.SetupSequence(x => x.FirstOrDefaultAsync(It.IsAny<BasketWithItemsSpecification>()))
+                .ReturnsAsync(anonymousBasket)
+                .ReturnsAsync(userBasket);
+            var basketService = new BasketService(_mockBasketRepo.Object, null);
+            await basketService.TransferBasketAsync(_nonexistentAnonymousBasketBuyerId, _existentUserBasketBuyerId);
+            _mockBasketRepo.Verify(x => x.FirstOrDefaultAsync(It.IsAny<BasketWithItemsSpecification>()), Times.Once);
+        }
+
+        [Fact]
+        public async Task TransferAnonymousBasketItemsWhilePreservingExistingUserBasketItems()
+        {
+            var anonymousBasket = new Basket(_existentAnonymousBasketBuyerId);
+            anonymousBasket.AddItem(1, 10, 1);
+            anonymousBasket.AddItem(3, 55, 7);
+            var userBasket = new Basket(_existentUserBasketBuyerId);
+            userBasket.AddItem(1, 10, 4);
+            userBasket.AddItem(2, 99, 3);
+            _mockBasketRepo.SetupSequence(x => x.FirstOrDefaultAsync(It.IsAny<BasketWithItemsSpecification>()))
+                .ReturnsAsync(anonymousBasket)
+                .ReturnsAsync(userBasket);
+            var basketService = new BasketService(_mockBasketRepo.Object, null);
+            await basketService.TransferBasketAsync(_nonexistentAnonymousBasketBuyerId, _existentUserBasketBuyerId);
+            _mockBasketRepo.Verify(x => x.UpdateAsync(userBasket), Times.Once);
+            Assert.Equal(3, userBasket.Items.Count);
+            Assert.Contains(userBasket.Items, x => x.CatalogItemId == 1 && x.UnitPrice == 10 && x.Quantity == 5);
+            Assert.Contains(userBasket.Items, x => x.CatalogItemId == 2 && x.UnitPrice == 99 && x.Quantity == 3);
+            Assert.Contains(userBasket.Items, x => x.CatalogItemId == 3 && x.UnitPrice == 55 && x.Quantity == 7);
+        }
+
+        [Fact]
+        public async Task RemovesAnonymousBasketAfterUpdatingUserBasket()
+        {
+            var anonymousBasket = new Basket(_existentAnonymousBasketBuyerId);
+            var userBasket = new Basket(_existentUserBasketBuyerId);
+            _mockBasketRepo.SetupSequence(x => x.FirstOrDefaultAsync(It.IsAny<BasketWithItemsSpecification>()))
+                .ReturnsAsync(anonymousBasket)
+                .ReturnsAsync(userBasket);
+            var basketService = new BasketService(_mockBasketRepo.Object, null);
+            await basketService.TransferBasketAsync(_nonexistentAnonymousBasketBuyerId, _existentUserBasketBuyerId);
+            _mockBasketRepo.Verify(x => x.UpdateAsync(userBasket), Times.Once);
+            _mockBasketRepo.Verify(x => x.DeleteAsync(anonymousBasket), Times.Once);
+        }
+
+        [Fact]
+        public async Task CreatesNewUserBasketIfNotExists()
+        {
+            var anonymousBasket = new Basket(_existentAnonymousBasketBuyerId);
+            var userBasket = null as Basket;
+            _mockBasketRepo.SetupSequence(x => x.FirstOrDefaultAsync(It.IsAny<BasketWithItemsSpecification>()))
+                .ReturnsAsync(anonymousBasket)
+                .ReturnsAsync(userBasket);
+            var basketService = new BasketService(_mockBasketRepo.Object, null);
+            await basketService.TransferBasketAsync(_existentAnonymousBasketBuyerId, _nonexistentUserBasketBuyerId);
+            _mockBasketRepo.Verify(x => x.AddAsync(It.Is<Basket>(x => x.BuyerId == _nonexistentUserBasketBuyerId)), Times.Once);
+        }
     }
 }