dmeo040225/AdminWindow.axaml.cs

using System;
using System.Linq;
using Avalonia;
using Avalonia.Collections;
using Avalonia.Controls;
using Avalonia.Interactivity;
using Avalonia.Markup.Xaml;
using Avalonia.Media.Imaging;
using dmeo040225.Models;
using dmeo040225.Services;

namespace dmeo040225;

public partial class AdminWindow : Window
{
    public AdminWindow(User user)
    {
        InitializeComponent();

        using var context = new DatabaseContext();
        var role = context.Roles.FirstOrDefault(it => it.Id == user.RoleId).Name;

        Image.Source = new Bitmap(user.Photopath);
        FioName.Text = user.Fio;
        RoleName.Text = role;
        
        TimerService.Instance.TimeUpdated += UpdateTimerText;
        TimerService.Instance.TimerExpired += LogoutUser;
        
        TimerService.Instance.Start();
    }
    
    private void Back_OnClick(object? sender, RoutedEventArgs e)
    {
        TimerService.Instance.Reset();
        Close();
        // MainWindow mainWindow = new MainWindow();
        // mainWindow.ShowDialog(this);
    }

    private void History_OnClick(object? sender, RoutedEventArgs e)
    {
        HistoryWindow historyWindow = new HistoryWindow();
        historyWindow.ShowDialog(this);
    }
    
    private void UpdateTimerText(TimeSpan time)
    {
        TimerText.Text = $"Осталось: {time:mm\\:ss}";
    }

    private void LogoutUser()
    {
        Close();
        var mainWindow = new MainWindow();
        mainWindow.Show();
    }
    
    protected override void OnClosed(EventArgs e)
    {
        TimerService.Instance.TimeUpdated -= UpdateTimerText;
        TimerService.Instance.TimerExpired -= LogoutUser;
        base.OnClosed(e);
    }
}