Vehicle/WPF01/pages/Authorization.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Timers;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace WPF01.pages
{
    using db;

    /// <summary>
    /// Логика взаимодействия для Authorization.xaml
    /// </summary>
    public partial class Authorization : Page
    {

		// Количество неверно веденного пароля
		int count = 0;

		Timer timer = new Timer();

        public Authorization()
        {
            InitializeComponent();

            timer.Interval = 5000;
            timer.Elapsed += new ElapsedEventHandler(Timeout);
        }

        void Timeout(object sender, ElapsedEventArgs e)
        {
            Dispatcher.Invoke(new Action(() =>
            {
                buttonLogin.IsEnabled = true;
                timer.Stop();
            }));
        }

        private void ButtonClick(object sender, RoutedEventArgs e)
        {
            string login = textBoxLogin.Text;
            string password = textBoxPassword.Password;

            if (login.Length < 4 || password.Length < 4)
            {
                return;
            }

            IQueryable<Manager> man = Database.Context.Manager.Where(
                m => m.Login == login && m.Password == password);

            Database.User = man.FirstOrDefault();
            if (Database.User == null)
            {
                MessageBox.Show("Неверный логин/пароль");
				count++;

				if (count >= 3)
				{
					buttonLogin.IsEnabled = false;
					timer.Start();
				}
                return;
            }

			switch (Database.User.Role)
			{
				case "Директор":
					NavigationService.Navigate(PageNavigation.director);
					break;

				case "Менеджер":
					NavigationService.Navigate(PageNavigation.mainPage);
					break;

				case "Администратор":
					NavigationService.Navigate(PageNavigation.mainPage);
					break;

				default:
					NavigationService.Navigate(PageNavigation.mainPage);
					break;
			}

			PageNavigation.mainWindow.userInfoButton.Visibility = Visibility.Visible;
        }

        private void TextBoxInput(object sender, KeyEventArgs e)
        {
            if (textBoxLogin.Text.Length >= 4 && textBoxPassword.Password.Length >= 4)
            {
                buttonLogin.IsEnabled = true;
            }
            else
            {
                buttonLogin.IsEnabled = false;
            }
        }

        private void Label_MouseUp(object sender, MouseButtonEventArgs e)
        {
            NavigationService.Navigate(PageNavigation.registration);
        }

    }
}