Wired up login form to API

Connected the login form button to the Authentication endpoint (/token). Gets back bearer token or exception if failed

RMWPFUserInterface/App.config

@@ -1,6 +1,17 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
+	<appSettings>
+		<add key="api" value="https://localhost:44372/" />
+	</appSettings>
     <startup> 
         <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
     </startup>
+  <runtime>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <dependentAssembly>
+        <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-13.0.0.0" newVersion="13.0.0.0" />
+      </dependentAssembly>
+    </assemblyBinding>
+  </runtime>
 </configuration>

RMWPFUserInterface/BootStrapper.cs

@@ -29,7 +29,8 @@ namespace RMWPFUserInterface
 
             _container
                 .Singleton<IWindowManager, WindowManager>()
-                .Singleton<IEventAggregator, EventAggregator>();
+                .Singleton<IEventAggregator, EventAggregator>()
+                .Singleton<IAPIHelper, APIHelper>();    
 
             GetType().Assembly.GetTypes()
                 .Where(type => type.IsClass)

RMWPFUserInterface/Helpers/APIHelper.cs

@@ -0,0 +1,53 @@
+using RMWPFUserInterface.Models;
+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Linq;
+using System.Net.Http;
+using System.Net.Http.Headers;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace RMWPFUserInterface.Helpers
+{
+    public class APIHelper : IAPIHelper
+    {
+        private HttpClient apiClient;
+        public APIHelper()
+        {
+            InitializeClient();
+        }
+        private void InitializeClient()
+        {
+            string api = ConfigurationManager.AppSettings["api"];
+
+            apiClient = new HttpClient();
+            apiClient.BaseAddress = new Uri(api);
+            apiClient.DefaultRequestHeaders.Accept.Clear();
+            apiClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
+        }
+
+        public async Task<AuthenticatedUser> Authenticate(string username, string password)
+        {
+            var data = new FormUrlEncodedContent(new[]
+            {
+                new KeyValuePair<string, string>("grant_type", "password"),
+                new KeyValuePair<string, string>("username", username),
+                new KeyValuePair<string, string>("password", password),
+            });
+
+            using (HttpResponseMessage response = await apiClient.PostAsync("/Token", data))
+            {
+                if (response.IsSuccessStatusCode)
+                {
+                    var result = await response.Content.ReadAsAsync<AuthenticatedUser>();
+                    return result;
+                }
+                else
+                {
+                    throw new Exception(response.ReasonPhrase);
+                }
+            }
+        }
+    }
+}

RMWPFUserInterface/Helpers/IAPIHelper.cs

@@ -0,0 +1,10 @@
+using RMWPFUserInterface.Models;
+using System.Threading.Tasks;
+
+namespace RMWPFUserInterface.Helpers
+{
+    public interface IAPIHelper
+    {
+        Task<AuthenticatedUser> Authenticate(string username, string password);
+    }
+}

RMWPFUserInterface/Models/AuthenticatedUser.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace RMWPFUserInterface.Models
+{
+    public class AuthenticatedUser
+    {
+        public string Access_Token { get; set; }
+        public string UserName { get; set; }
+    }
+}

RMWPFUserInterface/RMWPFUserInterface.csproj

@@ -47,8 +47,15 @@
     <Reference Include="Microsoft.Xaml.Behaviors, Version=1.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Xaml.Behaviors.Wpf.1.1.19\lib\net45\Microsoft.Xaml.Behaviors.dll</HintPath>
     </Reference>
+    <Reference Include="Newtonsoft.Json, Version=13.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
+      <HintPath>..\packages\Newtonsoft.Json.13.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
+    </Reference>
     <Reference Include="System" />
+    <Reference Include="System.Configuration" />
     <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http.Formatting, Version=5.2.9.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.AspNet.WebApi.Client.5.2.9\lib\net45\System.Net.Http.Formatting.dll</HintPath>
+    </Reference>
     <Reference Include="System.Runtime.Serialization" />
     <Reference Include="System.Runtime.Serialization.Primitives, Version=4.1.2.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\System.Runtime.Serialization.Primitives.4.3.0\lib\net46\System.Runtime.Serialization.Primitives.dll</HintPath>
@@ -74,7 +81,10 @@
       <SubType>Designer</SubType>
     </ApplicationDefinition>
     <Compile Include="BootStrapper.cs" />
+    <Compile Include="Helpers\APIHelper.cs" />
+    <Compile Include="Helpers\IAPIHelper.cs" />
     <Compile Include="Helpers\PasswordBoxHelper.cs" />
+    <Compile Include="Models\AuthenticatedUser.cs" />
     <Compile Include="ViewModels\LoginViewModel.cs" />
     <Compile Include="ViewModels\ShellViewModel.cs" />
     <Compile Include="Views\LoginView.xaml.cs">
@@ -123,8 +133,6 @@
   <ItemGroup>
     <None Include="App.config" />
   </ItemGroup>
-  <ItemGroup>
+  <ItemGroup />
-    <Folder Include="Models\" />
-  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>

RMWPFUserInterface/ViewModels/LoginViewModel.cs

@@ -1,4 +1,5 @@
 using Caliburn.Micro;
+using RMWPFUserInterface.Helpers;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -11,6 +12,12 @@ namespace RMWPFUserInterface.ViewModels
     {
         private string _userName;
         private string _password;
+        private IAPIHelper _apiHelper;
+
+        public LoginViewModel(IAPIHelper apiHelper)
+        {
+            _apiHelper = apiHelper;
+        }
         public string UserName
         {
             get { return _userName; }
@@ -49,9 +56,16 @@ namespace RMWPFUserInterface.ViewModels
             }
         }
 
-        public void LogIn()
+        public async Task LogIn()
         {
-            Console.WriteLine();
+            try
+            {
+                var result = await _apiHelper.Authenticate(UserName, Password);
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine(ex.Message);
+            }
         }
     }
 }

RMWPFUserInterface/packages.config

@@ -2,6 +2,8 @@
 <packages>
   <package id="Caliburn.Micro" version="4.0.210" targetFramework="net472" />
   <package id="Caliburn.Micro.Core" version="4.0.210" targetFramework="net472" />
+  <package id="Microsoft.AspNet.WebApi.Client" version="5.2.9" targetFramework="net472" />
   <package id="Microsoft.Xaml.Behaviors.Wpf" version="1.1.19" targetFramework="net472" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net472" />
   <package id="System.Runtime.Serialization.Primitives" version="4.3.0" targetFramework="net472" />
 </packages>