created a way to manage users and their roles

RMDataManager/Controllers/UserController.cs

@@ -5,6 +5,8 @@ using RMDataManagerLibrary.Models;
 using System.Web;
 using Microsoft.AspNet.Identity;
 using System.Linq;
+using Microsoft.AspNet.Identity.EntityFramework;
+using RMDataManager.Models;
 
 namespace RMDataManager.Controllers
 {
@@ -20,5 +22,39 @@ namespace RMDataManager.Controllers
 
             return data.GetUserById(userId).First();
         }
+        [Authorize(Roles = "Admin")]
+        [HttpGet]
+        [Route("api/User/Admin/GetAllUsers")]
+        public List<ApplicationUserModel> GetAllUsers()
+        {
+            List<ApplicationUserModel> output = new List<ApplicationUserModel>();
+
+            using (var context = new ApplicationDbContext())
+            {
+                var userStore = new UserStore<ApplicationUser>(context);
+                var userManager = new UserManager<ApplicationUser>(userStore);
+
+                var users = userManager.Users.ToList();
+                var roles = context.Roles.ToList();
+
+                foreach (var user in users)
+                {
+                    ApplicationUserModel u = new ApplicationUserModel
+                    {
+                        Id = user.Id,
+                        EmailAddress = user.Email
+                    };
+
+                    foreach (var role in user.Roles)
+                    {
+                        u.Roles.Add(role.RoleId, roles.Where(x => x.Id == role.RoleId).First().Name);
+                    }
+
+                    output.Add(u);
+                }
+            }
+
+            return output;
+        }
     }
 }

RMDataManager/Models/ApplicationUserModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Web;
+
+namespace RMDataManager.Models
+{
+    public class ApplicationUserModel
+    {
+        public string Id { get; set; }
+        public string EmailAddress { get; set; }
+        public Dictionary<string, string> Roles { get; set; } = new Dictionary<string, string>();
+    }
+}

RMDataManager/RMDataManager.csproj

@@ -222,6 +222,7 @@
     </Compile>
     <Compile Include="Models\AccountBindingModels.cs" />
     <Compile Include="Models\AccountViewModels.cs" />
+    <Compile Include="Models\ApplicationUserModel.cs" />
     <Compile Include="Models\IdentityModels.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Providers\ApplicationOAuthProvider.cs" />

RMWPFInterfaceLibrary/Api/IUserEndPoint.cs

@@ -0,0 +1,11 @@
+using RMWPFInterfaceLibrary.Models;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace RMWPFInterfaceLibrary.Api
+{
+    public interface IUserEndPoint
+    {
+        Task<List<UserModel>> GetAll();
+    }
+}

RMWPFInterfaceLibrary/Api/UserEndPoint.cs

@@ -0,0 +1,36 @@
+using RMWPFInterfaceLibrary.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Http;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace RMWPFInterfaceLibrary.Api
+{
+    public class UserEndPoint : IUserEndPoint
+    {
+        private readonly IAPIHelper _apiHelper;
+        public UserEndPoint(IAPIHelper apiHelper)
+        {
+            _apiHelper = apiHelper;
+        }
+
+        public async Task<List<UserModel>> GetAll()
+        {
+            using (HttpResponseMessage response = await _apiHelper.ApiClient.GetAsync("/api/User/Admin/GetAllUsers"))
+            {
+                if (response.IsSuccessStatusCode)
+                {
+                    var result = await response.Content.ReadAsAsync<List<UserModel>>();
+
+                    return result;
+                }
+                else
+                {
+                    throw new Exception(response.ReasonPhrase);
+                }
+            }
+        }
+    }
+}

RMWPFInterfaceLibrary/Models/UserModel.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace RMWPFInterfaceLibrary.Models
+{
+    public class UserModel
+    {
+        public string Id { get; set; }
+        public string EmailAddress { get; set; }
+        public Dictionary<string, string> Roles { get; set; } = new Dictionary<string, string>();
+        public string RoleList
+        {
+            get 
+            {
+                return string.Join(", ", Roles.Select(x => x.Value));
+            }
+        }
+
+    }
+}

RMWPFInterfaceLibrary/RMWPFInterfaceLibrary.csproj

@@ -52,10 +52,13 @@
     <Compile Include="Api\IAPIHelper.cs" />
     <Compile Include="Api\IProductEndPoint.cs" />
     <Compile Include="Api\ISaleEndPoint.cs" />
+    <Compile Include="Api\IUserEndPoint.cs" />
     <Compile Include="Api\ProductEndPoint.cs" />
     <Compile Include="Api\SaleEndPoint.cs" />
+    <Compile Include="Api\UserEndPoint.cs" />
     <Compile Include="Helpers\ConfigHelper.cs" />
     <Compile Include="Helpers\IConfigHelper.cs" />
+    <Compile Include="Models\UserModel.cs" />
     <Compile Include="Models\AuthenticatedUser.cs" />
     <Compile Include="Models\CartItemModel.cs" />
     <Compile Include="Models\ILoggedInUserModel.cs" />

RMWPFUserInterface/BootStrapper.cs

@@ -34,7 +34,9 @@ namespace RMWPFUserInterface
 
             _container.Instance(_container)
                 .PerRequest<IProductEndPoint, ProductEndPoint>()
-                .PerRequest<ISaleEndPoint, SaleEndPoint>();    
+                .PerRequest<ISaleEndPoint, SaleEndPoint>()
+                .PerRequest<IUserEndPoint, UserEndPoint>();
+                
 
             _container
                 .Singleton<IWindowManager, WindowManager>()

RMWPFUserInterface/RMWPFUserInterface.csproj

@@ -92,6 +92,7 @@
     <Compile Include="ViewModels\SalesViewModel.cs" />
     <Compile Include="ViewModels\ShellViewModel.cs" />
     <Compile Include="ViewModels\StatusInfoViewModel.cs" />
+    <Compile Include="ViewModels\UserDisplayViewModel.cs" />
     <Compile Include="Views\LoginView.xaml.cs">
       <DependentUpon>LoginView.xaml</DependentUpon>
     </Compile>
@@ -108,6 +109,9 @@
     <Compile Include="Views\StatusInfoView.xaml.cs">
       <DependentUpon>StatusInfoView.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Views\UserDisplayView.xaml.cs">
+      <DependentUpon>UserDisplayView.xaml</DependentUpon>
+    </Compile>
     <Page Include="Views\LoginView.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
@@ -124,6 +128,10 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="Views\UserDisplayView.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs">

RMWPFUserInterface/ViewModels/ShellViewModel.cs

@@ -50,6 +50,11 @@ namespace RMWPFUserInterface.ViewModels
             TryCloseAsync();
         }
 
+        public void UserManagement()
+        {
+            ActivateItemAsync(IoC.Get<UserDisplayViewModel>());
+        }
+
         public void LogOut()
         {
             _user.ResetUserModel();

RMWPFUserInterface/ViewModels/UserDisplayViewModel.cs

@@ -0,0 +1,76 @@
+using Caliburn.Micro;
+using RMWPFInterfaceLibrary.Api;
+using RMWPFInterfaceLibrary.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Dynamic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace RMWPFUserInterface.ViewModels
+{
+    public class UserDisplayViewModel : Screen
+    {
+        private readonly StatusInfoViewModel _status;
+        private readonly IWindowManager _window;
+        private readonly IUserEndPoint _userEndpoint;
+
+        private BindingList<UserModel> _users;
+        public BindingList<UserModel> Users
+        {
+            get
+            {
+                return _users;
+            }
+            set
+            {
+                _users = value;
+                NotifyOfPropertyChange(() => Users);
+            }
+        }
+        public UserDisplayViewModel(StatusInfoViewModel status, IWindowManager window, IUserEndPoint user)
+        {
+            _status = status;
+            _window = window;
+            _userEndpoint = user;
+        }
+
+        protected override async void OnViewLoaded(object view)
+        {
+            base.OnViewLoaded(view);
+            try
+            {
+                await LoadUsers();
+            }
+            catch (Exception ex)
+            {
+                dynamic settings = new ExpandoObject();
+                settings.WindowStartUpLocation = WindowStartupLocation.CenterOwner;
+                settings.ResizeMode = ResizeMode.NoResize;
+                settings.Title = "System Error";
+
+                if (ex.Message == "Unauthorized")
+                {
+                    _status.UpdateMessage("Unauthorized Access", "You do not have permission to interact with Sales Form.");
+                    _window.ShowDialogAsync(_status, null, settings);
+                }
+                else
+                {
+                    _status.UpdateMessage("Fatal exception", ex.Message);
+                    _window.ShowDialogAsync(_status, null, settings);
+                }
+
+                TryCloseAsync();
+            }
+        }
+
+        private async Task LoadUsers()
+        {
+            var userList = await _userEndpoint.GetAll();
+            Users = new BindingList<UserModel>(userList);
+        }
+    }
+}

RMWPFUserInterface/Views/ShellView.xaml

@@ -11,6 +11,9 @@
             <MenuItem Header="_File">
                 <MenuItem x:Name="ExitApplication" Header="E_xit"/>
             </MenuItem>
+            <MenuItem Header="_Users">
+                <MenuItem x:Name="UserManagement" Header="User_Management"/>
+            </MenuItem>
             <MenuItem Header="_Account"  Visibility="{Binding IsLoggedIn, Converter={StaticResource BooleanToVisibilityConverter}, FallbackValue=Collapsed}">
                 <MenuItem x:Name="LogOut" Header="_Log Out"/>
             </MenuItem>

RMWPFUserInterface/Views/UserDisplayView.xaml

@@ -0,0 +1,46 @@
+<UserControl x:Class="RMWPFUserInterface.Views.UserDisplayView"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+             xmlns:local="clr-namespace:RMWPFUserInterface.Views"
+             mc:Ignorable="d" Background="White" FontSize="24"
+             d:DesignHeight="550" d:DesignWidth="800">
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="auto"/>
+            <RowDefinition Height="auto" />
+            <RowDefinition Height="auto" />
+            <RowDefinition Height="auto" />
+            <RowDefinition Height="auto" />
+            <RowDefinition Height="auto" />
+            <RowDefinition Height="auto" />
+            <RowDefinition Height="auto" />
+            <RowDefinition Height="*" />
+        </Grid.RowDefinitions>
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="auto"/>
+            <ColumnDefinition Width="auto"/>
+            <ColumnDefinition Width="auto"/>
+            <ColumnDefinition Width="auto"/>
+            <ColumnDefinition Width="*"/>
+        </Grid.ColumnDefinitions>
+        <!-- Header -->
+        <TextBlock Text="User Administration" FontSize="48" 
+                   Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="3"
+                   Margin="0 0 0 30"/>
+        <!-- Column 0 -->
+        <TextBlock Text="Users" Grid.Row="1" Grid.Column="0"/>
+        <ListBox x:Name="Users" Grid.Row="2" Grid.Column="0" 
+                  MinHeight="200" MinWidth="150">
+            <ListBox.ItemTemplate>
+                <DataTemplate>
+                    <StackPanel Orientation="Vertical">
+                        <TextBlock Text="{Binding EmailAddress}"/>
+                        <TextBlock Text="{Binding RoleList}" FontSize="18" />
+                    </StackPanel>
+                </DataTemplate>
+            </ListBox.ItemTemplate>
+        </ListBox>
+    </Grid>
+</UserControl>

RMWPFUserInterface/Views/UserDisplayView.xaml.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace RMWPFUserInterface.Views
+{
+    /// <summary>
+    /// Interaction logic for UserDisplayView.xaml
+    /// </summary>
+    public partial class UserDisplayView : UserControl
+    {
+        public UserDisplayView()
+        {
+            InitializeComponent();
+        }
+    }
+}