Adding scaffolding for Logout page

- Removing Identity route from startup

src/Web/Areas/Identity/Pages/Account/Logout.cshtml

@@ -0,0 +1,10 @@
+@page
+@model LogoutModel
+@{
+    ViewData["Title"] = "Log out";
+}
+
+<header>
+    <h1>@ViewData["Title"]</h1>
+    <p>You have successfully logged out of the application.</p>
+</header>

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

@@ -0,0 +1,41 @@
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.eShopWeb.Infrastructure.Identity;
+using Microsoft.Extensions.Logging;
+
+namespace Microsoft.eShopWeb.Web.Areas.Identity.Pages.Account
+{
+    [AllowAnonymous]
+    public class LogoutModel : PageModel
+    {
+        private readonly SignInManager<ApplicationUser> _signInManager;
+        private readonly ILogger<LogoutModel> _logger;
+
+        public LogoutModel(SignInManager<ApplicationUser> signInManager, ILogger<LogoutModel> logger)
+        {
+            _signInManager = signInManager;
+            _logger = logger;
+        }
+
+        public void OnGet()
+        {
+        }
+
+        public async Task<IActionResult> OnPost(string returnUrl = null)
+        {
+            await _signInManager.SignOutAsync();
+            _logger.LogInformation("User logged out.");
+            if (returnUrl != null)
+            {
+                return LocalRedirect(returnUrl);
+            }
+            else
+            {
+                return Page();
+            }
+        }
+    }
+}

src/Web/Startup.cs

@@ -174,7 +174,7 @@ namespace Microsoft.eShopWeb.Web
                 options.Cookie.HttpOnly = true;
                 options.ExpireTimeSpan = TimeSpan.FromHours(1);
                 options.LoginPath = "/Account/Login";
-                options.LogoutPath = "/Account/Signout";
+                options.LogoutPath = "/Account/Logout";
                 options.Cookie = new CookieBuilder
                 {
                     IsEssential = true // required for auth to work without explicit user consent; adjust to suit your privacy policy
@@ -236,10 +236,6 @@ namespace Microsoft.eShopWeb.Web
 
             app.UseMvc(routes =>
             {
-                routes.MapRoute(
-                name: "identity",
-                template: "Identity/{controller=Account}/{action=Register}/{id?}");
-
                 routes.MapRoute(
                     name: "default",
                     template: "{controller:slugify=Home}/{action:slugify=Index}/{id?}");

src/Web/Views/Shared/_LoginPartial.cshtml

@@ -2,7 +2,7 @@
 {
     <section class="col-lg-4 col-md-5 col-xs-12">
         <div class="esh-identity">
-            <form asp-area="" asp-controller="Account" asp-action="SignOut" method="post" id="logoutForm" class="navbar-right">
+            <form asp-area="Identity" asp-page="/Account/Logout" method="post" id="logoutForm" class="navbar-right">
                 <section class="esh-identity-section">
                     <div class="esh-identity-name">@Context.User.Identity.Name</div>
                     <img class="esh-identity-image" src="~/images/arrow-down.png">

src/Web/Web.csproj

@@ -18,8 +18,9 @@
     <PackageReference Include="BuildBundlerMinifier" Version="2.9.406" Condition="'$(Configuration)'=='Release'" PrivateAssets="All" />
     <PackageReference Include="Microsoft.AspNetCore.App" />
     <PackageReference Include="Microsoft.AspNetCore.Razor.Design" Version="2.2.0" PrivateAssets="All" />
+    <PackageReference Include="Microsoft.CodeAnalysis" Version="3.1.0" />
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="2.2.3" />
-    <PackageReference Include="Microsoft.Web.LibraryManager.Build" Version="1.0.172" />
+    <PackageReference Include="Microsoft.Web.LibraryManager.Build" Version="2.0.48" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="4.0.1" />
   </ItemGroup>
   <ItemGroup>