public MainWindow()
{
CartComparer = new CartComparer();
UserDBManager = new UserDBManager();
UserLoginManager = new UserLoginManager(UserDBManager);
LoginWindow = new LoginWindow(UserLoginManager);
LoginWindow.ShowDialog();
UserDetailsViewModel = new UserDetailsViewModel(UserLoginManager.LoggedInUser.Username);
DataContext = UserDetailsViewModel;
InitializeComponent();
WiseCartManager = new WiseCartManager();
Task T1 = Task.Factory.StartNew(() => WiseCartManager.InitializeData());
Task T2 = T1.ContinueWith(t => ProductsDataGridLoaded());
}
public UserLoginManager(UserDBManager userDBManager)
{
ValidUserNameRegex = new Regex(@"^(?=[a-zA-Z])[-\w.]{0,23}([a-zA-Z\d]|(?<![-.])_)$");
LoggedInUser = null;
UserDBManager = userDBManager;
}