Authandreg_workNine/RegAuth/ViewModels/AdminViewModel.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Runtime.CompilerServices;
using System.Security.Cryptography;
using System.Text;
using ReactiveUI;
using RegAuth.Models;

namespace RegAuth.ViewModels
{
    internal class AdminViewModel : ViewModelBase, INotifyPropertyChanged
    {
        private readonly validViewModel _otherViewModel;
        public AdminViewModel()
        {
            _otherViewModel = new validViewModel(); // Create an instance of the other ViewModel
        }
        public void ToAdmin()
        {

            MainWindowViewModel.Instance.Uc = new CreateAdmin();
        }
        User _newAdmin = new User();
      
        public User NewAdmin { get => _newAdmin; set => this.RaiseAndSetIfChanged(ref _newAdmin, value); }
        string _password;
        private string _passwordError;

        public string Password
        {
            get => _password;
            set
            {
                if (this.RaiseAndSetIfChanged(ref _password, value))
                {
                    // Ïðîâåðÿåì ïàðîëü è óñòàíàâëèâàåì ñîîáùåíèå îá îøèáêå
                    PasswordError = _otherViewModel.ValidatePassword(value);
                }
            }
        }

        public string PasswordError
        {
            get => _passwordError;
            private set
            {
                this.RaiseAndSetIfChanged(ref _passwordError, value); // Óâåäîìëÿåì îá èçìåíåíèè
            }
        }
        public event PropertyChangedEventHandler PropertyChanged;
        public void addAdmin()//ôóíêöèÿ äëÿ äîáàâëåíèÿ àäìèíà â áàçó
        {
            Console.WriteLine("Àäìèíà â áàçå íåò");
            if (!string.IsNullOrEmpty(Password) && string.IsNullOrEmpty(PasswordError))//åñëè ó íàñ ïàðîëü íå ïóñò è îøèáîê íå íàáëþäàåòñÿ, òîãäà ìåòîä ðàáîòàåò äàëüøå è ðåàëèçóåò äîáàâëåíèå â áä
            {
                NewAdmin.Password = MD5.HashData(Encoding.ASCII.GetBytes(Password));
                NewAdmin.Roleid = 1;
                MainWindowViewModel.myConnection.Users.Add(NewAdmin);
                MainWindowViewModel.myConnection.SaveChanges();
                MainWindowViewModel.Instance.Uc = new Main();
            }
           
        }
        protected bool RaiseAndSetIfChanged<T>(ref T field, T value, [CallerMemberName] string propertyName = null)//ýòî íàì íàäî, ÷òîáû êîððåêòíî îáðàáîòàòü ðåçóëüòàò â RaiseAndSetIfChanged
        {
            if (EqualityComparer<T>.Default.Equals(field, value)) return false; // Åñëè çíà÷åíèå íå èçìåíèëîñü, âîçâðàùàåì false
            field = value; // Îáíîâëÿåì ïîëå
            OnPropertyChanged(propertyName); // Âûçûâàåì ñîáûòèå èçìåíåíèÿ ñâîéñòâà
            return true; // Âîçâðàùàåì true, åñëè çíà÷åíèå èçìåíèëîñü
        }
        public void OnPropertyChanged(string propertyName)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
        }

    }
}