From c425e05e8b8ceecccb79893d26755df1b5956ae1 Mon Sep 17 00:00:00 2001
From: TheJoKlLa <thejoklla@gmail.com>
Date: Wed, 1 Feb 2023 02:39:59 +0100
Subject: [PATCH] Added: Create Card Page

---
 Borepin/Borepin.UWP/Package.appxmanifest      |   3 +-
 Borepin/Borepin/App.xaml.cs                   |   1 +
 Borepin/Borepin/Borepin.csproj                |   4 +
 Borepin/Borepin/Model/CardConfig.cs           |  63 +++++
 Borepin/Borepin/Model/FabFireCard.cs          |  34 +++
 Borepin/Borepin/Page/CreateCardPage.xaml      |  65 +++++
 Borepin/Borepin/Page/CreateCardPage.xaml.cs   |  20 ++
 Borepin/Borepin/Page/UserPage.xaml            |   6 +-
 .../Borepin/PageModel/CreateCardPageModel.cs  | 259 ++++++++++++++++++
 .../Borepin/PageModel/MachineListPageModel.cs |   9 -
 .../Borepin/PageModel/UserListPageModel.cs    |   9 -
 Borepin/Borepin/PageModel/UserPageModel.cs    |  65 +++++
 12 files changed, 518 insertions(+), 20 deletions(-)
 create mode 100644 Borepin/Borepin/Model/CardConfig.cs
 create mode 100644 Borepin/Borepin/Model/FabFireCard.cs
 create mode 100644 Borepin/Borepin/Page/CreateCardPage.xaml
 create mode 100644 Borepin/Borepin/Page/CreateCardPage.xaml.cs
 create mode 100644 Borepin/Borepin/PageModel/CreateCardPageModel.cs

diff --git a/Borepin/Borepin.UWP/Package.appxmanifest b/Borepin/Borepin.UWP/Package.appxmanifest
index b945646..82b7c23 100644
--- a/Borepin/Borepin.UWP/Package.appxmanifest
+++ b/Borepin/Borepin.UWP/Package.appxmanifest
@@ -54,6 +54,7 @@
   <Capabilities>
     <Capability Name="internetClient" />
     <Capability Name="privateNetworkClientServer"/>
-    <DeviceCapability Name="pointOfService"/>
+    <uap:Capability Name="sharedUserCertificates"/>
+    <DeviceCapability Name="proximity"/>
   </Capabilities>
 </Package>
\ No newline at end of file
diff --git a/Borepin/Borepin/App.xaml.cs b/Borepin/Borepin/App.xaml.cs
index 0398942..b3effeb 100644
--- a/Borepin/Borepin/App.xaml.cs
+++ b/Borepin/Borepin/App.xaml.cs
@@ -51,6 +51,7 @@ namespace Borepin
 
             containerRegistry.RegisterForNavigation<UserListPage, UserListPageModel>();
             containerRegistry.RegisterForNavigation<UserPage, UserPageModel>();
+            containerRegistry.RegisterForNavigation<CreateCardPage, CreateCardPageModel>();
             containerRegistry.RegisterForNavigation<AddUserPage, AddUserPageModel>();
             containerRegistry.RegisterForNavigation<ProfilePage, ProfilePageModel>();
             #endregion
diff --git a/Borepin/Borepin/Borepin.csproj b/Borepin/Borepin/Borepin.csproj
index 69ae925..32ed436 100644
--- a/Borepin/Borepin/Borepin.csproj
+++ b/Borepin/Borepin/Borepin.csproj
@@ -111,6 +111,9 @@
     <EmbeddedResource Update="Page\AddUserPage.xaml">
       <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
     </EmbeddedResource>
+    <EmbeddedResource Update="Page\CreateCardPage.xaml">
+      <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
+    </EmbeddedResource>
     <EmbeddedResource Update="Page\MachinePage.xaml">
       <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
     </EmbeddedResource>
@@ -156,6 +159,7 @@
     </EmbeddedResource>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\external\NFC\NFC\NFC.csproj" />
     <ProjectReference Include="..\..\FabAccessAPI\FabAccessAPI.csproj" />
   </ItemGroup>
 </Project>
diff --git a/Borepin/Borepin/Model/CardConfig.cs b/Borepin/Borepin/Model/CardConfig.cs
new file mode 100644
index 0000000..51c9524
--- /dev/null
+++ b/Borepin/Borepin/Model/CardConfig.cs
@@ -0,0 +1,63 @@
+using NFC.Helper;
+using System;
+using System.Globalization;
+
+namespace Borepin.Model
+{
+    public class CardConfig
+    {
+        #region Constructors
+        public CardConfig()
+        {
+            PICCKey = ByteOperation.GenerateEmptyArray(16);
+            APPKey = ByteOperation.GenerateEmptyArray(16);
+        }
+        #endregion
+
+        #region Fields
+        public string UserID;
+
+        public byte[] PICCKey;
+        public byte[] APPKey;
+
+        public bool DoFormat;
+
+        public byte[] CardToken;
+        public byte[] MetaInfo;
+        public byte[] SpaceInfo;
+        #endregion
+
+        #region Mehtods
+        public string ConvertToString(byte[] array)
+        {
+            string data = HexConverter.ConvertToHexString(array);
+            data = data.ToUpper(CultureInfo.InvariantCulture);
+
+            for(int i = 2; i < data.Length; i += 3) 
+            {
+                data = data.Insert(i, " ");
+            }
+
+            return data;
+        }
+
+        public byte[] ConvertFromString(string data)
+        {
+            data = data.Trim();
+            data = data.Replace(" ", "");
+
+            byte[] array = HexConverter.ConvertFromHexString(data);
+            return array;
+        }
+
+        public byte[] GenerateRandomKey()
+        {
+            byte[] key = ByteOperation.GenerateEmptyArray(16);
+            Random random= new Random();
+            
+            random.NextBytes(key);
+            return key;
+        }
+        #endregion
+    }
+}
diff --git a/Borepin/Borepin/Model/FabFireCard.cs b/Borepin/Borepin/Model/FabFireCard.cs
new file mode 100644
index 0000000..d4c2c94
--- /dev/null
+++ b/Borepin/Borepin/Model/FabFireCard.cs
@@ -0,0 +1,34 @@
+using Borepin.Service.ErrorMessage;
+using NFC.Interfaces;
+using System;
+
+namespace Borepin.Model
+{
+    public class FabFireCard
+    {
+        #region Private Fields
+        INFCService _NFCService;
+        IErrorMessageService _ErrorMessageService;
+        #endregion
+
+        #region Constructors
+        public FabFireCard(INFCService nfcService, IErrorMessageService errorMessageService)
+        {
+            _NFCService = nfcService;
+            _ErrorMessageService = errorMessageService;
+        }
+        #endregion
+
+        #region Methods
+        public void FormatCard(string readerID, CardConfig cardConfig)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void CreateCard(string readerID, CardConfig cardConfig)
+        {
+            throw new NotImplementedException();
+        }
+        #endregion
+    }
+}
diff --git a/Borepin/Borepin/Page/CreateCardPage.xaml b/Borepin/Borepin/Page/CreateCardPage.xaml
new file mode 100644
index 0000000..7e2df60
--- /dev/null
+++ b/Borepin/Borepin/Page/CreateCardPage.xaml
@@ -0,0 +1,65 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             x:Class="Borepin.Page.CreateCardPage"
+             xmlns:converters="clr-namespace:Borepin.Converter"
+             xmlns:resource_text="clr-namespace:Borepin.Resources.Text" 
+             xmlns:views="clr-namespace:Borepin.View"
+             Title="Create Card">
+    <NavigationPage.TitleView>
+        <Button Text="Refresh" HorizontalOptions="End" BackgroundColor="{StaticResource SecondColor}" TextColor="{StaticResource FirstColor}" Command="{Binding RefreshCommand}"/>
+    </NavigationPage.TitleView>
+    <ContentPage.Resources>
+        <ResourceDictionary>
+            <converters:AllTrueBoolConverter x:Key="AllTrueBoolConverter"/>
+            <converters:InvertBoolConverter x:Key="InvertBoolConverter"/>
+        </ResourceDictionary>
+    </ContentPage.Resources>
+    <ContentPage.Content>
+        <StackLayout Padding="20">
+            <views:ConnectionStateView/>
+            <StackLayout>
+                <StackLayout.IsVisible>
+                    <MultiBinding Converter="{StaticResource AllTrueBoolConverter}">
+                        <Binding Path="IsBusy" Converter="{StaticResource InvertBoolConverter}"/>
+                        <Binding Path="IsConnected" />
+                    </MultiBinding>
+                </StackLayout.IsVisible>
+                <Label Text="NFC Reader" Style="{StaticResource Style_Label_Property_Title}"></Label>
+                <Picker ItemsSource="{Binding ReaderIDs}" SelectedItem="{Binding ReaderID}"></Picker>
+
+                
+                <Label Text="PICC Key" Style="{StaticResource Style_Label_Property_Title}"></Label>
+                <Grid>
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="4*" />
+                        <ColumnDefinition Width="1*" />
+                        <ColumnDefinition Width="1*" />
+                    </Grid.ColumnDefinitions>
+                    <Entry Grid.Column="0" Text="{Binding PICCKey}" IsSpellCheckEnabled="false"/>
+                    <Button Grid.Column="1" Text="Random" Command="{Binding RandomPICCKeyCommand}" Style="{StaticResource Style_Button_Primary}"/>
+                    <Button Grid.Column="2" Text="Scan QR-Code" Command="{Binding ScanPICCKeyCommand}" Style="{StaticResource Style_Button_Primary}"/>
+                </Grid>
+                
+                <Label Text="Application Key" Style="{StaticResource Style_Label_Property_Title}"></Label>
+                <Grid>
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="4*" />
+                        <ColumnDefinition Width="1*" />
+                        <ColumnDefinition Width="1*" />
+                    </Grid.ColumnDefinitions>
+                    <Entry Grid.Column="0" Text="{Binding APPKey}" IsSpellCheckEnabled="false"/>
+                    <Button Grid.Column="1" Text="Random" Command="{Binding RandomAPPKeyCommand}" Style="{StaticResource Style_Button_Primary}"/>
+                    <Button Grid.Column="2" Text="Scan QR-Code" Command="{Binding ScanAPPKeyCommand}" Style="{StaticResource Style_Button_Primary}"/>
+                </Grid>
+
+                <StackLayout Orientation="Horizontal">
+                    <CheckBox IsChecked="{Binding FormatCard}"/>
+                    <Label Text="Format Card" VerticalOptions="Center"/>
+                </StackLayout>
+                
+                <Button Text="Create Card" Command="{Binding CreateCardCommand}" Style="{StaticResource Style_Button_Primary}"/>
+            </StackLayout>
+        </StackLayout>
+    </ContentPage.Content>
+</ContentPage>
\ No newline at end of file
diff --git a/Borepin/Borepin/Page/CreateCardPage.xaml.cs b/Borepin/Borepin/Page/CreateCardPage.xaml.cs
new file mode 100644
index 0000000..7b84549
--- /dev/null
+++ b/Borepin/Borepin/Page/CreateCardPage.xaml.cs
@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using Xamarin.Forms;
+using Xamarin.Forms.Xaml;
+
+namespace Borepin.Page
+{
+    [XamlCompilation(XamlCompilationOptions.Compile)]
+    public partial class CreateCardPage : ContentPage
+    {
+        public CreateCardPage()
+        {
+            InitializeComponent();
+        }
+    }
+}
\ No newline at end of file
diff --git a/Borepin/Borepin/Page/UserPage.xaml b/Borepin/Borepin/Page/UserPage.xaml
index da07ab6..9c6bd6c 100644
--- a/Borepin/Borepin/Page/UserPage.xaml
+++ b/Borepin/Borepin/Page/UserPage.xaml
@@ -40,7 +40,11 @@
                     <Entry Placeholder="{x:Static resource_text:TextResource.UserPage_NewPassword}" Text="{Binding NewPassword}"/>
                     <Button Text="{x:Static resource_text:TextResource.UserPage_UpdatePassword}" Command="{Binding UpdatePasswordCommand}" Style="{StaticResource Style_Button_Primary}"/>
                 </StackLayout>
-                <Button Grid.Row="1" Text="{x:Static resource_text:TextResource.DELETE}" Command="{Binding DeleteCommand}" Style="{StaticResource Style_Button_Admin}" VerticalOptions="End"/>
+                <StackLayout IsVisible="{Binding CanCreateCard}">
+                    <Button Text="Create Card" Command="{Binding CreateCardCommand}" IsVisible="{Binding HasCardBinded, Converter={StaticResource InvertBoolConverter}}" Style="{StaticResource Style_Button_Primary}"/>
+                    <Button Text="Unbind Card" Command="{Binding CreateCardCommand}" IsVisible="{Binding HasCardBinded}" Style="{StaticResource Style_Button_Admin}"/>
+                </StackLayout>
+                <Button Text="{x:Static resource_text:TextResource.DELETE}" Command="{Binding DeleteCommand}" Style="{StaticResource Style_Button_Admin}"/>
             </StackLayout>
         </StackLayout>
     </ContentPage.Content>
diff --git a/Borepin/Borepin/PageModel/CreateCardPageModel.cs b/Borepin/Borepin/PageModel/CreateCardPageModel.cs
new file mode 100644
index 0000000..9df22f4
--- /dev/null
+++ b/Borepin/Borepin/PageModel/CreateCardPageModel.cs
@@ -0,0 +1,259 @@
+using Borepin.Base;
+using Prism.Commands;
+using Prism.Navigation;
+using System.Windows.Input;
+using FabAccessAPI.Schema;
+using Prism.Services;
+using Borepin.Service;
+using System.Threading.Tasks;
+using Borepin.Base.Exceptions;
+using NFC.Interfaces;
+using System.Collections.Generic;
+using Borepin.Model;
+
+namespace Borepin.PageModel
+{
+    public class CreateCardPageModel : ConnectionModelBase
+    {
+        #region Private Fields
+        private CardConfig _CardConfig;
+        private User _User;
+        private INFCService _NFCService;
+        #endregion
+
+        #region Contructors
+        public CreateCardPageModel(INavigationService navigationService, IPageDialogService pageDialogService, IAPIService apiService, INFCService nfcService) : base(navigationService, pageDialogService, apiService)
+        {
+            _NFCService = nfcService;
+            _CardConfig= new CardConfig();
+
+            CreateCardCommand = new DelegateCommand(CreateCardCommandExecute);
+            
+            ScanPICCKeyCommand = new DelegateCommand(ScanPICCKeyCommandExecute);
+            RandomPICCKeyCommand = new DelegateCommand(RandomPICCKeyCommandExecute);
+
+            ScanAPPKeyCommand = new DelegateCommand(ScanAPPKeyCommandExecute);
+            RandomAPPKeyCommand = new DelegateCommand(RandomAPPKeyCommandExecute);
+
+            RefreshCommand = new DelegateCommand(async () => await RefreshCommandExecute().ConfigureAwait(true));
+        }
+        #endregion
+
+        #region Data
+        public override Task LoadInstance(object instance)
+        {
+            if (instance is string)
+            {
+                _CardConfig.UserID  = instance as string;
+            }
+            else
+            {
+                throw new InstanceIncorrectException();
+            }
+
+            return Task.CompletedTask;
+        }
+
+        public override async Task LoadAPIData()
+        {
+            _User = (await _API.Session.UserSystem.Search.GetUserByName(_CardConfig.UserID).ConfigureAwait(false)).Just;
+
+            ReaderIDs = await Task.Run(() => 
+            {
+                return _NFCService.GetReaderIDs();
+            }).ConfigureAwait(false);
+
+            if (ReaderIDs.Count > 0)
+            {
+                ReaderID = ReaderIDs[0];
+            }
+
+            PICCKey = _CardConfig.ConvertToString(_CardConfig.PICCKey);
+            APPKey = _CardConfig.ConvertToString(_CardConfig.APPKey);
+        }
+
+        public override Task<object> CreateInstance()
+        {
+            return Task.FromResult<object>(_CardConfig);
+        }
+        #endregion
+
+        #region Fields
+        private IList<string> _ReaderIDs;
+        public IList<string> ReaderIDs
+        {
+            get => _ReaderIDs;
+            set => SetProperty(ref _ReaderIDs, value);
+        }
+
+        private string _ReaderID;
+        public string ReaderID
+        {
+            get => _ReaderID;
+            set => SetProperty(ref _ReaderID, value);
+        }
+
+        private string _PICCKey;
+        public string PICCKey
+        {
+            get => _PICCKey;
+            set => SetProperty(ref _PICCKey, value);
+        }
+
+        private string _APPKey;
+        public string APPKey
+        {
+            get => _APPKey;
+            set => SetProperty(ref _APPKey, value);
+        }
+
+        private string _FormatCard;
+        public string FormatCard
+        {
+            get => _FormatCard;
+            set => SetProperty(ref _FormatCard, value);
+        }
+        #endregion
+
+        #region Commands
+        private ICommand _RefreshCommand;
+        public ICommand RefreshCommand
+        {
+            get => _RefreshCommand;
+            set => SetProperty(ref _RefreshCommand, value);
+        }
+        public async Task RefreshCommandExecute()
+        {
+            if (_API.IsConnected)
+            {
+                try
+                {
+                    await LoadAPIData().ConfigureAwait(true);
+                }
+                catch (System.Exception)
+                {
+                    // TODO
+                }
+            }
+        }
+
+        private ICommand _CreateCardCommand;
+
+        public ICommand CreateCardCommand
+        {
+            get => _CreateCardCommand;
+            set => SetProperty(ref _CreateCardCommand, value);
+        }
+
+        public async void CreateCardCommandExecute()
+        {
+            IsBusy = true;
+
+            await Task.Delay(1000).ConfigureAwait(false);
+
+            IsBusy = false;
+        }
+
+        #region PICCKey
+        private ICommand _ScanPICCKeyCommand;
+
+        public ICommand ScanPICCKeyCommand
+        {
+            get => _ScanPICCKeyCommand;
+            set => SetProperty(ref _ScanPICCKeyCommand, value);
+        }
+
+        public async void ScanPICCKeyCommandExecute()
+        {
+            IsBusy = true;
+
+            await Task.Delay(1000).ConfigureAwait(false);
+
+            IsBusy = false;
+        }
+
+        private ICommand _RandomPICCKeyCommand;
+
+        public ICommand RandomPICCKeyCommand
+        {
+            get => _RandomPICCKeyCommand;
+            set => SetProperty(ref _RandomPICCKeyCommand, value);
+        }
+
+        public void RandomPICCKeyCommandExecute()
+        {
+            _CardConfig.PICCKey = _CardConfig.GenerateRandomKey();
+            PICCKey = _CardConfig.ConvertToString(_CardConfig.PICCKey);
+        }
+
+        private ICommand _ExportPICCKeyCommand;
+
+        public ICommand ExportPICCKeyCommand
+        {
+            get => _ExportPICCKeyCommand;
+            set => SetProperty(ref _ExportPICCKeyCommand, value);
+        }
+
+        public async void ExportPICCKeyCommandExecute()
+        {
+            IsBusy = true;
+
+            await Task.Delay(1000).ConfigureAwait(false);
+
+            IsBusy = false;
+        }
+        #endregion
+
+        #region APPKey
+        private ICommand _ScanAPPKeyCommand;
+
+        public ICommand ScanAPPKeyCommand
+        {
+            get => _ScanAPPKeyCommand;
+            set => SetProperty(ref _ScanAPPKeyCommand, value);
+        }
+
+        public async void ScanAPPKeyCommandExecute()
+        {
+            IsBusy = true;
+
+            await Task.Delay(1000).ConfigureAwait(false);
+
+            IsBusy = false;
+        }
+
+        private ICommand _RandomAPPKeyCommand;
+
+        public ICommand RandomAPPKeyCommand
+        {
+            get => _RandomAPPKeyCommand;
+            set => SetProperty(ref _RandomAPPKeyCommand, value);
+        }
+
+        public void RandomAPPKeyCommandExecute()
+        {
+            _CardConfig.APPKey = _CardConfig.GenerateRandomKey();
+            APPKey = _CardConfig.ConvertToString(_CardConfig.APPKey);
+        }
+
+        private ICommand _ExportAPPKeyCommand;
+
+        public ICommand ExportAPPKeyCommand
+        {
+            get => _ExportAPPKeyCommand;
+            set => SetProperty(ref _ExportAPPKeyCommand, value);
+        }
+
+        public async void ExportAPPKeyCommandExecute()
+        {
+            IsBusy = true;
+
+            await Task.Delay(1000).ConfigureAwait(false);
+
+            IsBusy = false;
+        }
+        #endregion
+
+        #endregion
+    }
+}
diff --git a/Borepin/Borepin/PageModel/MachineListPageModel.cs b/Borepin/Borepin/PageModel/MachineListPageModel.cs
index 6e05381..5fdbe13 100644
--- a/Borepin/Borepin/PageModel/MachineListPageModel.cs
+++ b/Borepin/Borepin/PageModel/MachineListPageModel.cs
@@ -125,13 +125,6 @@ namespace Borepin.PageModel
             get => _MachineListItemViewModel_List;
             set => SetProperty(ref _MachineListItemViewModel_List, value);
         }
-
-        private bool _IsRefreshing;
-        public bool IsRefreshing
-        {
-            get => _IsRefreshing;
-            set => SetProperty(ref _IsRefreshing, value);
-        }
         #endregion
 
         #region Commands
@@ -155,8 +148,6 @@ namespace Borepin.PageModel
                 }
                 
             }
-            
-            IsRefreshing = false;
         }
 
         private ICommand _ScanCodeCommand;
diff --git a/Borepin/Borepin/PageModel/UserListPageModel.cs b/Borepin/Borepin/PageModel/UserListPageModel.cs
index 937ad9e..bc13b1c 100644
--- a/Borepin/Borepin/PageModel/UserListPageModel.cs
+++ b/Borepin/Borepin/PageModel/UserListPageModel.cs
@@ -64,13 +64,6 @@ namespace Borepin.PageModel
             set => SetProperty(ref _FilteredUserListItemViewModel_List, value);
         }
 
-        private bool _IsRefreshing;
-        public bool IsRefreshing
-        {
-            get => _IsRefreshing;
-            set => SetProperty(ref _IsRefreshing, value);
-        }
-
         private string _SearchUsername;
         public string SearchUsername
         {
@@ -99,8 +92,6 @@ namespace Borepin.PageModel
                     // TODO
                 }
             }
-            
-            IsRefreshing = false;
         }
 
         private ICommand _AddUserCommand;
diff --git a/Borepin/Borepin/PageModel/UserPageModel.cs b/Borepin/Borepin/PageModel/UserPageModel.cs
index adb8524..e2fc337 100644
--- a/Borepin/Borepin/PageModel/UserPageModel.cs
+++ b/Borepin/Borepin/PageModel/UserPageModel.cs
@@ -16,6 +16,7 @@ using NaturalSort.Extension;
 using System.Linq;
 using Prism.Services.Dialogs;
 using Xamarin.Forms;
+using ZXing;
 
 namespace Borepin.PageModel
 {
@@ -34,6 +35,8 @@ namespace Borepin.PageModel
             _DialogService = dialogService;
             DeleteCommand = new DelegateCommand(DeleteCommandExecute);
             UpdatePasswordCommand = new DelegateCommand(UpdatePasswordCommandExecute);
+            CreateCardCommand = new DelegateCommand(CreateCardCommandExecute);
+            UnbindCardCommand = new DelegateCommand(UnbindCardCommandExecute);
         }
         #endregion
 
@@ -44,6 +47,10 @@ namespace Borepin.PageModel
             {
                 _ID = instance as string;
             }
+            else if (instance is CardConfig)
+            {
+                _ID = (instance as CardConfig).UserID;
+            }
             else if(instance == null && _IsDialog)
             {
 
@@ -89,6 +96,10 @@ namespace Borepin.PageModel
 
             CanAdmin = !((UserSystem.ManageInterface_Proxy)_API.Session.UserSystem.Manage).IsNull;
             CanManage = !((User.ManageInterface_Proxy)_User.Manage).IsNull;
+
+            // TODO CanCreateCard = !((User.CardDESFireInterface_Proxy)_User.CardDESFireEV2).IsNull;
+            CanCreateCard = true;
+            HasCardBinded = false;
         }
         #endregion
 
@@ -121,6 +132,20 @@ namespace Borepin.PageModel
             set => SetProperty(ref _CanManage, value);
         }
 
+        private bool _CanCreateCard;
+        public bool CanCreateCard
+        {
+            get => _CanCreateCard;
+            set => SetProperty(ref _CanCreateCard, value);
+        }
+
+        private bool _HasCardBinded;
+        public bool HasCardBinded
+        {
+            get => _HasCardBinded;
+            set => SetProperty(ref _HasCardBinded, value);
+        }
+
         private string _NewPassword;
         public string NewPassword
         {
@@ -208,6 +233,46 @@ namespace Borepin.PageModel
             }
             IsBusy = false;
         }
+
+        private ICommand _UnbindCardCommand;
+        public ICommand UnbindCardCommand
+        {
+            get => _UnbindCardCommand;
+            set => SetProperty(ref _UnbindCardCommand, value);
+        }
+
+        public void UnbindCardCommandExecute()
+        {
+            IsBusy = true;
+            
+            IsBusy = false;
+        }
+
+        private ICommand _CreateCardCommand;
+        public ICommand CreateCardCommand
+        {
+            get => _CreateCardCommand;
+            set => SetProperty(ref _CreateCardCommand, value);
+        }
+
+        public void CreateCardCommandExecute()
+        {
+            IsBusy = true;
+            NavigationParameters parameters = new NavigationParameters
+            {
+                { "instance", _ID },
+            };
+
+            Device.BeginInvokeOnMainThread(async () =>
+            {
+                INavigationResult result_nav = await _NavigationService.NavigateAsync("CreateCardPage", parameters).ConfigureAwait(false);
+                if (result_nav.Exception != null)
+                {
+                    Log.Fatal(result_nav.Exception, "Navigating failed");
+                }
+            });
+            IsBusy = false;
+        }
         #endregion
     }
 }