private Task <User> GetUserFromLogin(DataAccess.AppContext context, string login)
{
return(Task.Run(() =>
{
return context.Users.SingleOrDefault(seatchingUser => seatchingUser.Login == login);
}));
}
private Task CreateUser(DataAccess.AppContext context, User user)
{
return(Task.Run(() =>
{
context.Users.Add(user);
}));
}
private async void SignInButtonClick(object sender, RoutedEventArgs e)
{
var login = loginTextBox.Text;
var password = passwordBox.Password;
if (string.IsNullOrWhiteSpace(login) || string.IsNullOrWhiteSpace(password))
{
MessageBox.Show("Заполните все поля!");
return;
}
signInButton.IsEnabled = false;
registrationButton.IsEnabled = false;
using (var context = new DataAccess.AppContext())
{
var user = await GetUserFromLogin(context, login);
if (user == null || !SecurityHasher.VerifyPassword(password, user.Password))
{
MessageBox.Show("Неверный логин или пароль");
}
else
{
new CabinetWindow().Show();
Close();
}
}
signInButton.IsEnabled = true;
registrationButton.IsEnabled = true;
}
private async void RegistrationButtonClick(object sender, RoutedEventArgs e)
{
string login = loginTextBox.Text;
string password = passwordTextBox.Password;
if (string.IsNullOrEmpty(login) || string.IsNullOrEmpty(password))
{
MessageBox.Show("Заполните все поля!");
return;
}
registrationButton.IsEnabled = false;
using (var context = new DataAccess.AppContext())
{
var user = await GetUserFromLogin(context, login);
if (user == null)
{
await CreateUser(context, new User
{
Login = login,
Password = SecurityHasher.HashPassword(password)
});
await context.SaveChangesAsync();
MessageBox.Show("Учетная запись успешно создана!");
Close();
}
else
{
MessageBox.Show("Логин уже занят!");
}
}
registrationButton.IsEnabled = true;
}