Refactored TokenService into IdentityService.

Author: David Britch

src/Mobile/eShopOnContainers/eShopOnContainers.Core/Services/Identity/IIdentityService.cs

@@ -1,8 +1,12 @@
-namespace eShopOnContainers.Core.Services.Identity
+using eShopOnContainers.Core.Models.Token;
+using System.Threading.Tasks;
+
+namespace eShopOnContainers.Core.Services.Identity
 {
     public interface IIdentityService
     {
         string CreateAuthorizationRequest();
         string CreateLogoutRequest(string token);
+        Task<UserToken> GetTokenAsync(string code);
     }
 }

src/Mobile/eShopOnContainers/eShopOnContainers.Core/Services/Identity/IdentityService.cs

@@ -1,11 +1,22 @@
 using IdentityModel.Client;
 using System;
 using System.Collections.Generic;
+using System.Net;
+using System.Threading.Tasks;
+using eShopOnContainers.Core.Services.RequestProvider;
+using eShopOnContainers.Core.Models.Token;
 
 namespace eShopOnContainers.Core.Services.Identity
 {
     public class IdentityService : IIdentityService
     {
+		private readonly IRequestProvider _requestProvider;
+
+		public IdentityService(IRequestProvider requestProvider)
+		{
+			_requestProvider = requestProvider;
+		}
+
         public string CreateAuthorizationRequest()
         {
             // Create URI to authorization endpoint
@@ -40,5 +51,12 @@ public string CreateLogoutRequest(string token)
                 token,
                 GlobalSetting.Instance.LogoutCallback);
         }
+
+		public async Task<UserToken> GetTokenAsync(string code)
+		{
+			string data = string.Format("grant_type=authorization_code&code={0}&redirect_uri={1}", code, WebUtility.UrlEncode(GlobalSetting.Instance.IdentityCallback));
+			var token = await _requestProvider.PostAsync<UserToken>(GlobalSetting.Instance.TokenEndpoint, data, GlobalSetting.Instance.ClientId, GlobalSetting.Instance.ClientSecret);
+			return token;
+		}
     }
 }

src/Mobile/eShopOnContainers/eShopOnContainers.Core/Services/Token/ITokenService.cs

@@ -8,7 +8,6 @@
 using eShopOnContainers.Core.Services.RequestProvider;
 using eShopOnContainers.Core.Services.Basket;
 using eShopOnContainers.Core.Services.Identity;
-using eShopOnContainers.Core.Services.Token;
 using eShopOnContainers.Core.Services.Order;
 using eShopOnContainers.Core.Services.User;
 using Xamarin.Forms;
@@ -54,7 +53,6 @@ public static void RegisterDependencies(bool useMockServices)
 			builder.RegisterType<DialogService>().As<IDialogService>();
 			builder.RegisterType<OpenUrlService>().As<IOpenUrlService>();
 			builder.RegisterType<IdentityService>().As<IIdentityService>();
-            builder.RegisterType<TokenService>().As<ITokenService>();
 			builder.RegisterType<RequestProvider>().As<IRequestProvider>();
             builder.RegisterType<LocationService>().As<ILocationService>().SingleInstance();
 

src/Mobile/eShopOnContainers/eShopOnContainers.Core/Services/Token/TokenService.cs

@@ -1,7 +1,6 @@
 using eShopOnContainers.Core.Helpers;
 using eShopOnContainers.Core.Models.User;
 using eShopOnContainers.Core.Services.Identity;
-using eShopOnContainers.Core.Services.Token;
 using eShopOnContainers.Core.Services.OpenUrl;
 using eShopOnContainers.Core.Validations;
 using eShopOnContainers.Core.ViewModels.Base;
@@ -25,16 +24,13 @@ public class LoginViewModel : ViewModelBase
 
         private IOpenUrlService _openUrlService;
         private IIdentityService _identityService;
-        private ITokenService _tokenService;
 
         public LoginViewModel(
             IOpenUrlService openUrlService,
-            IIdentityService identityService,
-            ITokenService tokenService)
+            IIdentityService identityService)
         {
             _openUrlService = openUrlService;
             _identityService = identityService;
-            _tokenService = tokenService;
 
             _userName = new ValidatableObject<string>();
             _password = new ValidatableObject<string>();
@@ -238,7 +234,7 @@ private async Task NavigateAsync(string url)
                 var authResponse = new AuthorizeResponse(url);
                 if (!string.IsNullOrWhiteSpace(authResponse.Code))
                 {
-                    var userToken = await _tokenService.GetTokenAsync(authResponse.Code);
+                    var userToken = await _identityService.GetTokenAsync(authResponse.Code);
                     string accessToken = userToken.AccessToken;
 
                     if (!string.IsNullOrWhiteSpace(accessToken))

src/Mobile/eShopOnContainers/eShopOnContainers.Core/ViewModels/Base/ViewModelLocator.cs

@@ -170,8 +170,6 @@
     <Compile Include="Effects\EntryLineColorEffect.cs" />
     <Compile Include="Behaviors\LineColorBehavior.cs" />
     <Compile Include="Models\Token\UserToken.cs" />
-    <Compile Include="Services\Token\TokenService.cs" />
-    <Compile Include="Services\Token\ITokenService.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="app.config" />
@@ -267,7 +265,6 @@
   </ItemGroup>
   <ItemGroup>
     <Folder Include="Models\Token\" />
-    <Folder Include="Services\Token\" />
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">