init

.idea/.idea.Presence/.idea/.gitignore

@@ -0,0 +1,13 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Rider ignored files
+/projectSettingsUpdater.xml
+/modules.xml
+/contentModel.xml
+/.idea.Presence.iml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/.idea.Presence/.idea/avalonia.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AvaloniaProject">
+    <option name="projectPerEditor">
+      <map>
+        <entry key="Presence/AddOrEditUserWindow.axaml" value="Presence/Presence.csproj" />
+        <entry key="Presence/AttendanceWindow.axaml" value="Presence/Presence.csproj" />
+        <entry key="Presence/GroupsWindow.axaml" value="Presence/Presence.csproj" />
+        <entry key="Presence/MainWindow.axaml" value="Presence/Presence.csproj" />
+        <entry key="Presence/StudentsWindow.axaml" value="Presence/Presence.csproj" />
+      </map>
+    </option>
+  </component>
+</project>

.idea/.idea.Presence/.idea/indexLayout.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="UserContentModel">
+    <attachedFolders />
+    <explicitIncludes />
+    <explicitExcludes />
+  </component>
+</project>

.idea/.idea.Presence/.idea/vcs.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings" defaultProject="true" />
+</project>

Presence.sln

@@ -0,0 +1,40 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Presence", "Presence\Presence.csproj", "{BB0DE670-741D-45E9-9EBE-B8A9EAB65606}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PresenceConsole", "PresenceConsole\PresenceConsole.csproj", "{6C68882B-47D2-4CAC-B4E6-D962E49D101D}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "data", "data\data.csproj", "{7DD0FFD6-9AE3-4E74-ACF2-84874C809D0D}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "domain", "domain\domain.csproj", "{3A0731CE-9C7A-4711-9E2D-14D10219DC1A}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UI", "UI\UI.csproj", "{D6544F65-7A64-4360-8CA6-5B82BC778A14}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{BB0DE670-741D-45E9-9EBE-B8A9EAB65606}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BB0DE670-741D-45E9-9EBE-B8A9EAB65606}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BB0DE670-741D-45E9-9EBE-B8A9EAB65606}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BB0DE670-741D-45E9-9EBE-B8A9EAB65606}.Release|Any CPU.Build.0 = Release|Any CPU
+		{6C68882B-47D2-4CAC-B4E6-D962E49D101D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6C68882B-47D2-4CAC-B4E6-D962E49D101D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6C68882B-47D2-4CAC-B4E6-D962E49D101D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6C68882B-47D2-4CAC-B4E6-D962E49D101D}.Release|Any CPU.Build.0 = Release|Any CPU
+		{7DD0FFD6-9AE3-4E74-ACF2-84874C809D0D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{7DD0FFD6-9AE3-4E74-ACF2-84874C809D0D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{7DD0FFD6-9AE3-4E74-ACF2-84874C809D0D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{7DD0FFD6-9AE3-4E74-ACF2-84874C809D0D}.Release|Any CPU.Build.0 = Release|Any CPU
+		{3A0731CE-9C7A-4711-9E2D-14D10219DC1A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3A0731CE-9C7A-4711-9E2D-14D10219DC1A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3A0731CE-9C7A-4711-9E2D-14D10219DC1A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3A0731CE-9C7A-4711-9E2D-14D10219DC1A}.Release|Any CPU.Build.0 = Release|Any CPU
+		{D6544F65-7A64-4360-8CA6-5B82BC778A14}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{D6544F65-7A64-4360-8CA6-5B82BC778A14}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{D6544F65-7A64-4360-8CA6-5B82BC778A14}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{D6544F65-7A64-4360-8CA6-5B82BC778A14}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal

Presence/AddOrEditUserWindow.axaml

@@ -0,0 +1,21 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        x:Class="Presence.AddOrEditUserWindow"
+        x:CompileBindings="False"
+        Title="Добавить / Редактировать студента" Width="400" Height="250">
+    <StackPanel Margin="20" Spacing="10">
+        <TextBlock Text="ФИО:"/>
+        <TextBox Name="FioTextBox" />
+
+        <TextBlock Text="Группа:"/>
+        <ComboBox Name="GroupComboBox">
+            <ComboBox.ItemTemplate>
+                <DataTemplate>
+                    <TextBlock Text="{Binding Name}" />
+                </DataTemplate>
+            </ComboBox.ItemTemplate>
+        </ComboBox>
+
+        <Button Content="Сохранить" Click="SaveButton_Click" Margin="0,10,0,0"/>
+    </StackPanel>
+</Window>

Presence/AddOrEditUserWindow.axaml.cs

@@ -0,0 +1,77 @@
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using System.Linq;
+using data.RemoteData.RemoteDataBase;
+using data.RemoteData.RemoteDataBase.DAO;
+using Microsoft.EntityFrameworkCore;
+
+namespace Presence
+{
+    public partial class AddOrEditUserWindow : Window
+    {
+        private readonly RemoteDatabaseContext _context;
+        private readonly UserDAO? _userToEdit;
+
+        public AddOrEditUserWindow()
+        {
+            InitializeComponent();
+        }
+
+        public AddOrEditUserWindow(RemoteDatabaseContext context, UserDAO? userToEdit = null) : this()
+        {
+            _context = context;
+            _userToEdit = userToEdit;
+
+            LoadGroups();
+
+            if (_userToEdit != null)
+            {
+                FioTextBox.Text = _userToEdit.FIO;
+                GroupComboBox.SelectedItem = _context.Groups.FirstOrDefault(g => g.Id == _userToEdit.GroupId);
+            }
+        }
+
+        private void LoadGroups()
+        {
+            GroupComboBox.ItemsSource = _context.Groups.ToList();
+        }
+
+        private void SaveButton_Click(object sender, RoutedEventArgs e)
+        {
+            var fio = FioTextBox.Text?.Trim();
+            var selectedGroup = GroupComboBox.SelectedItem as GroupDAO;
+
+            if (string.IsNullOrWhiteSpace(fio) || selectedGroup == null)
+                return;
+
+            if (_userToEdit == null)
+            {
+                // Новый пользователь
+                var newUser = new UserDAO
+                {
+                    FIO = fio,
+                    GroupId = selectedGroup.Id
+                };
+                _context.Users.Add(newUser);
+            }
+            else
+            {
+                // Обновляем существующего пользователя
+                _userToEdit.FIO = fio;
+                _userToEdit.GroupId = selectedGroup.Id;
+
+                if (_context.Entry(_userToEdit).State == EntityState.Detached)
+                {
+                    _context.Users.Attach(_userToEdit);
+                }
+                _context.Entry(_userToEdit).State = EntityState.Modified;
+            }
+
+            _context.SaveChanges();
+            Close();
+        }
+
+        
+
+    }
+}

Presence/App.axaml

@@ -0,0 +1,10 @@
+<Application xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             x:Class="Presence.App"
+             RequestedThemeVariant="Default">
+             <!-- "Default" ThemeVariant follows system theme variant. "Dark" or "Light" are other available options. -->
+
+    <Application.Styles>
+        <FluentTheme />
+    </Application.Styles>
+</Application>

Presence/App.axaml.cs

@@ -0,0 +1,23 @@
+using Avalonia;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Markup.Xaml;
+
+namespace Presence;
+
+public partial class App : Application
+{
+    public override void Initialize()
+    {
+        AvaloniaXamlLoader.Load(this);
+    }
+
+    public override void OnFrameworkInitializationCompleted()
+    {
+        if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+        {
+            desktop.MainWindow = new MainWindow();
+        }
+
+        base.OnFrameworkInitializationCompleted();
+    }
+}

Presence/AttendanceWindow.axaml

@@ -0,0 +1,36 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        x:Class="Presence.AttendanceWindow"
+        x:CompileBindings="False"
+        Title="Посещаемость" Width="800" Height="550">
+    <StackPanel Margin="20" Spacing="10">
+
+        <!-- ПАНЕЛЬ ФИЛЬТРОВ -->
+        <StackPanel Orientation="Horizontal" Spacing="10">
+            <!-- Выбор группы -->
+            <ComboBox Name="GroupComboBox" Width="200">
+                <ComboBox.ItemTemplate>
+                    <DataTemplate>
+                        <TextBlock Text="{Binding Name}" />
+                    </DataTemplate>
+                </ComboBox.ItemTemplate>
+            </ComboBox>
+
+            <!-- Выбор даты -->
+            <DatePicker Name="DatePicker" />
+
+            <!-- Кнопка применить фильтр -->
+            <Button Name="BtnFilter" Content="Показать" Width="100"/>
+        </StackPanel>
+
+        <!-- Список посещаемости -->
+        <ListBox Name="AttendanceList" Height="420">
+            <ListBox.ItemTemplate>
+                <DataTemplate>
+                    <TextBlock Text="{Binding}" />
+                </DataTemplate>
+            </ListBox.ItemTemplate>
+        </ListBox>
+
+    </StackPanel>
+</Window>

Presence/AttendanceWindow.axaml.cs

@@ -0,0 +1,73 @@
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using System;
+using System.Linq;
+using data.RemoteData.RemoteDataBase;
+using data.RemoteData.RemoteDataBase.DAO;
+
+namespace Presence
+{
+    public partial class AttendanceWindow : Window
+    {
+        private readonly RemoteDatabaseContext _context;
+
+        public AttendanceWindow()
+        {
+            InitializeComponent();
+            _context = new RemoteDatabaseContext();
+
+            // Инициализируем фильтры
+            LoadGroups();
+            DatePicker.SelectedDate = DateTime.Today;
+
+            // Навешиваем обработчики
+            BtnFilter.Click += BtnFilter_Click;
+
+            // Загрузка сразу при открытии
+            LoadAttendance();
+        }
+
+        private void LoadGroups()
+        {
+            var groups = _context.Groups.ToList();
+            GroupComboBox.ItemsSource = groups;
+            GroupComboBox.SelectedIndex = 0;
+        }
+
+        private void BtnFilter_Click(object? sender, RoutedEventArgs e)
+        {
+            LoadAttendance();
+        }
+
+        private void LoadAttendance()
+        {
+            // 1) Получаем Nullable<DateTimeOffset> из DatePicker
+            var selectedDto = DatePicker.SelectedDate ?? DateTimeOffset.Now;
+
+            // 2) Преобразуем в DateTime
+            DateTime dt = selectedDto.DateTime;
+
+            // 3) Делаем DateOnly
+            DateOnly date = DateOnly.FromDateTime(dt);
+
+            // Выбранная группа
+            var selectedGroup = GroupComboBox.SelectedItem as GroupDAO;
+
+            // Фильтруем посещаемость по DateOnly и GroupId
+            var records = _context.Presences
+                .Where(a => a.Date == date)  // a.Date — DateOnly
+                .Join(_context.Users,
+                    a => a.UserId,
+                    u => u.UserId,
+                    (a, u) => new { a, u })
+                .Where(x => selectedGroup == null || x.u.GroupId == selectedGroup.Id)
+                .Select(x =>
+                    $"{x.u.FIO} — {x.a.Date:yyyy-MM-dd} — " +
+                    (x.a.IsAttendance ? "Присутствовал" : "Отсутствовал"))
+                .ToList();
+
+            AttendanceList.ItemsSource = records;
+        }
+
+    }
+}

Presence/GroupsWindow.axaml

@@ -0,0 +1,34 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        x:Class="Presence.GroupsWindow"
+        x:CompileBindings="False"
+        Title="Группы" Width="600" Height="550">
+    <StackPanel Margin="20">
+        <ComboBox Name="GroupComboBox" Width="300" Margin="0,0,0,10">
+            <ComboBox.ItemTemplate>
+                <DataTemplate>
+                    <TextBlock Text="{Binding Name}" />
+                </DataTemplate>
+            </ComboBox.ItemTemplate>
+        </ComboBox>
+
+        <ListBox Name="UsersList" Height="350">
+            <ListBox.ItemTemplate>
+                <DataTemplate>
+                    <TextBlock Text="{Binding FIO}" />
+                </DataTemplate>
+            </ListBox.ItemTemplate>
+            <ListBox.ContextMenu>
+                <ContextMenu>
+                    <MenuItem Header="Редактировать" Click="EditUser_Click"/>
+                    <MenuItem Header="Удалить" Click="DeleteUser_Click"/>
+                </ContextMenu>
+            </ListBox.ContextMenu>
+        </ListBox>
+
+        <StackPanel Orientation="Horizontal" Margin="0,10,0,0">
+            <Button Name="BtnAddUser" Content="Добавить студента" Width="150"/>
+            <Button Name="BtnRefresh" Content="Обновить" Width="100" Margin="10,0,0,0"/>
+        </StackPanel>
+    </StackPanel>
+</Window>

Presence/GroupsWindow.axaml.cs

@@ -0,0 +1,80 @@
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using System.Linq;
+using data.RemoteData.RemoteDataBase;
+using data.RemoteData.RemoteDataBase.DAO;
+
+namespace Presence
+{
+    public partial class GroupsWindow : Window
+    {
+        private readonly RemoteDatabaseContext _context;
+
+        public GroupsWindow()
+        {
+            InitializeComponent();
+            _context = new RemoteDatabaseContext();
+
+            LoadGroups();
+
+            GroupComboBox.SelectionChanged += GroupComboBox_SelectionChanged;
+            BtnRefresh.Click += (s, e) => LoadGroups();
+            BtnAddUser.Click += BtnAddUser_Click;
+        }
+
+        private void LoadGroups()
+        {
+            var groups = _context.Groups.ToList();
+            GroupComboBox.ItemsSource = groups;
+            LoadUsers();
+        }
+
+        private void GroupComboBox_SelectionChanged(object? sender, SelectionChangedEventArgs e)
+        {
+            LoadUsers();
+        }
+
+        private void LoadUsers()
+        {
+            if (GroupComboBox.SelectedItem is GroupDAO selectedGroup)
+            {
+                var users = _context.Users
+                    .Where(u => u.GroupId == selectedGroup.Id)
+                    .ToList();
+
+                UsersList.ItemsSource = users;
+            }
+            else
+            {
+                UsersList.ItemsSource = null;
+            }
+        }
+
+        private async void BtnAddUser_Click(object? sender, RoutedEventArgs e)
+        {
+            var addWindow = new AddOrEditUserWindow(_context);
+            await addWindow.ShowDialog(this);
+            LoadUsers();
+        }
+
+        private async void EditUser_Click(object? sender, RoutedEventArgs e)
+        {
+            if (UsersList.SelectedItem is UserDAO selectedUser)
+            {
+                var editWindow = new AddOrEditUserWindow(_context, selectedUser);
+                await editWindow.ShowDialog(this);
+                LoadUsers();
+            }
+        }
+
+        private void DeleteUser_Click(object? sender, RoutedEventArgs e)
+        {
+            if (UsersList.SelectedItem is UserDAO selectedUser)
+            {
+                _context.Users.Remove(selectedUser);
+                _context.SaveChanges();
+                LoadUsers();
+            }
+        }
+    }
+}

Presence/MainWindow.axaml

@@ -0,0 +1,10 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        x:Class="Presence.MainWindow"
+        Title="Presence - Главное окно" Width="800" Height="600">
+    <StackPanel Margin="20">
+        <Button Name="BtnOpenGroups" Content="Открыть группы" Margin="0,0,0,10" />
+        <Button Name="BtnOpenStudents" Content="Открыть студентов" Margin="0,0,0,10" />
+        <Button Name="BtnOpenAttendance" Content="Открыть посещаемость" Margin="0,0,0,10" />
+    </StackPanel>
+</Window>

Presence/MainWindow.axaml.cs

@@ -0,0 +1,35 @@
+using Avalonia.Controls;
+using System;
+
+namespace Presence
+{
+    public partial class MainWindow : Window
+    {
+        public MainWindow()
+        {
+            InitializeComponent();
+
+            BtnOpenGroups.Click += BtnOpenGroups_Click;
+            BtnOpenStudents.Click += BtnOpenStudents_Click;
+            BtnOpenAttendance.Click += BtnOpenAttendance_Click;
+        }
+
+        private void BtnOpenGroups_Click(object? sender, Avalonia.Interactivity.RoutedEventArgs e)
+        {
+            var window = new GroupsWindow();
+            window.Show();
+        }
+
+        private void BtnOpenStudents_Click(object? sender, Avalonia.Interactivity.RoutedEventArgs e)
+        {
+            var window = new StudentsWindow();
+            window.Show();
+        }
+        
+        private void BtnOpenAttendance_Click(object? sender, Avalonia.Interactivity.RoutedEventArgs e)
+        {
+            var window = new AttendanceWindow();
+            window.Show();
+        }
+    }
+}

Presence/Presence.csproj

@@ -0,0 +1,31 @@
+<Project Sdk="Microsoft.NET.Sdk">
+    <PropertyGroup>
+        <OutputType>WinExe</OutputType>
+        <TargetFramework>net9.0</TargetFramework>
+        <Nullable>enable</Nullable>
+        <BuiltInComInteropSupport>true</BuiltInComInteropSupport>
+        <ApplicationManifest>app.manifest</ApplicationManifest>
+        <AvaloniaUseCompiledBindingsByDefault>true</AvaloniaUseCompiledBindingsByDefault>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="Avalonia" Version="11.2.1"/>
+        <PackageReference Include="Avalonia.Desktop" Version="11.2.1"/>
+        <PackageReference Include="Avalonia.Themes.Fluent" Version="11.2.1"/>
+        <PackageReference Include="Avalonia.Fonts.Inter" Version="11.2.1"/>
+        <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
+        <PackageReference Include="Avalonia.Diagnostics" Version="11.2.1">
+            <IncludeAssets Condition="'$(Configuration)' != 'Debug'">None</IncludeAssets>
+            <PrivateAssets Condition="'$(Configuration)' != 'Debug'">All</PrivateAssets>
+        </PackageReference>
+        <PackageReference Include="ClosedXML" Version="0.105.0-rc" />
+        <PackageReference Include="CsvHelper" Version="33.0.1" />
+        <PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.0" />
+        <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="9.0.0-rc.2" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\data\data.csproj" />
+      <ProjectReference Include="..\domain\domain.csproj" />
+    </ItemGroup>
+</Project>

Presence/Program.cs

@@ -0,0 +1,21 @@
+using Avalonia;
+using System;
+
+namespace Presence;
+
+class Program
+{
+    // Initialization code. Don't use any Avalonia, third-party APIs or any
+    // SynchronizationContext-reliant code before AppMain is called: things aren't initialized
+    // yet and stuff might break.
+    [STAThread]
+    public static void Main(string[] args) => BuildAvaloniaApp()
+        .StartWithClassicDesktopLifetime(args);
+
+    // Avalonia configuration, don't remove; also used by visual designer.
+    public static AppBuilder BuildAvaloniaApp()
+        => AppBuilder.Configure<App>()
+            .UsePlatformDetect()
+            .WithInterFont()
+            .LogToTrace();
+}

Presence/StudentsWindow.axaml

@@ -0,0 +1,9 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        x:Class="Presence.StudentsWindow"
+        Title="Студенты" Width="600" Height="400">
+    <StackPanel Margin="20">
+        <ListBox Name="StudentsList" Height="300" />
+        <Button Name="BtnRefreshStudents" Content="Обновить" Margin="0,10,0,0"/>
+    </StackPanel>
+</Window>

Presence/StudentsWindow.axaml.cs

@@ -0,0 +1,28 @@
+using Avalonia.Controls;
+using System.Linq;
+using data;
+using data.RemoteData.RemoteDataBase;
+
+namespace Presence
+{
+    public partial class StudentsWindow : Window
+    {
+        private readonly RemoteDatabaseContext _context;
+
+        public StudentsWindow()
+        {
+            InitializeComponent();
+            _context = new RemoteDatabaseContext();
+
+            LoadStudents();
+
+            BtnRefreshStudents.Click += (s, e) => LoadStudents();
+        }
+
+        private void LoadStudents()
+        {
+            var users = _context.Users.ToList();
+            StudentsList.ItemsSource = users.Select(s => $"{s.FIO}").ToList();
+        }
+    }
+}

Presence/app.manifest

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
+  <!-- This manifest is used on Windows only.
+       Don't remove it as it might cause problems with window transparency and embedded controls.
+       For more details visit https://learn.microsoft.com/en-us/windows/win32/sbscs/application-manifests -->
+  <assemblyIdentity version="1.0.0.0" name="Presence.Desktop"/>
+
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <!-- A list of the Windows versions that this application has been tested on
+           and is designed to work with. Uncomment the appropriate elements
+           and Windows will automatically select the most compatible environment. -->
+
+      <!-- Windows 10 -->
+      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" />
+    </application>
+  </compatibility>
+</assembly>

Presence/bin/Debug/net9.0/Presence.runtimeconfig.json

@@ -0,0 +1,14 @@
+{
+  "runtimeOptions": {
+    "tfm": "net9.0",
+    "framework": {
+      "name": "Microsoft.NETCore.App",
+      "version": "9.0.0"
+    },
+    "configProperties": {
+      "System.Reflection.NullabilityInfoContext.IsSupported": true,
+      "System.Runtime.InteropServices.BuiltInComInterop.IsSupported": true,
+      "System.Runtime.Serialization.EnableUnsafeBinaryFormatterSerialization": false
+    }
+  }
+}