Authandreg_workNine/RegAuth/ViewModels/MainWindowViewModel.cs

using Avalonia.Controls;
using Microsoft.EntityFrameworkCore;
using ReactiveUI;
using RegAuth.Models;
using System.Collections.Generic;
using System.Linq;

namespace RegAuth.ViewModels
{
    public class MainWindowViewModel : ViewModelBase
    {
        public static MainWindowViewModel Instance;
        public static _43pBezaeva2Context myConnection = new _43pBezaeva2Context();
        List<User> _listUsers;
     
        public List<User> SortUsers { get => _listUsers; set => this.RaiseAndSetIfChanged(ref _listUsers, value); }
        int role = 1;
  
       
        public MainWindowViewModel()
        {
            Instance = this;
            SortUsers = myConnection.Users.ToList();

            // Проверяем наличие пользователей с ролью админа
            if (SortUsers.Any(user => user.Roleid == 1))
            {
               Uc = new Main(); // Устанавливаем UserControl на Main
               
            }
            else
            {
                 Uc = new Adminadd(); // Меняем UserControl на Adminadd
               
            }
        }
        
       private UserControl _uc;
        public UserControl Uc { get => _uc; set => this.RaiseAndSetIfChanged(ref _uc, value); }
        public void ChangeControl(UserControl newControl)//манипуляция контролом
        {
            Uc = newControl;
        }
       
        
    }
   
}