public static void Logout(User user)
{
// The following is just test code
//User user = new User("Ted", "Password", 5000.00);
//user.Holdings.Add(new Holding("GOOG"));
//DateTime newDate = new DateTime();
//user.WatchList.Add(new Company("test", "GOOG", "Something", "Something", "Something", 50.00));
//user.Transactions.Add(new Transaction("Test", "Test", 50.00, 50, DateTime.Now));
System.Xml.Serialization.XmlSerializer writer =
new System.Xml.Serialization.XmlSerializer(typeof(User));
//Construct the filepath
string filepath = Directory.GetCurrentDirectory() + "\\" + user.Username + ".txt";
// Clear the file
if (File.Exists(filepath) )
{
File.WriteAllText(filepath, string.Empty);
}
System.IO.StreamWriter file = new System.IO.StreamWriter(
filepath);
writer.Serialize(file, user);
file.Close();
}
public Settings(User user)
{
InitializeComponent();
this.user = user;
if (!user.EnforceMarketClosure)
{
marketCloseBox.Text = "No";
}
settingsFeesBox.Text = user.transactionFee.ToString();
}
public static User CreateNewUser(string username, string password, double startingCash)
{
//Construct the filepath
string filepath = Directory.GetCurrentDirectory() + "\\" + username + ".txt";
// User already exists
if (File.Exists(filepath))
return null;
User user = new User(username, password, startingCash);
Logout(user);
return user;
}
public void showLogin()
{
Login login = new Login();
DialogResult result = login.ShowDialog();
if (result == DialogResult.Cancel)
{
Environment.Exit(0);
return;
}
user = LoginController.Login(login.getUsername(), login.getPassword());
if (user == null)
{
MessageBox.Show("Invalid username or password.");
showLogin();
}
}
public static User Login(string username, string password)
{
//Construct the filepath
string filepath = Directory.GetCurrentDirectory() + "\\" + username + ".txt";
// User already exists
if (File.Exists(filepath))
{
System.Xml.Serialization.XmlSerializer reader =
new System.Xml.Serialization.XmlSerializer(typeof(User));
System.IO.StreamReader file = new System.IO.StreamReader(filepath);
User user = new User();
user = (User)reader.Deserialize(file);
file.Close();
if (user.Password == password)
return user;
else
return null;
}
else
{
// User not found
return null;
}
}
private void preferencesToolStripMenuItem_Click(object sender, EventArgs e)
{
Settings settings = new Settings(user);
settings.ShowDialog();
user=settings.getUser();
statusUserCash.Text = user.Cash.ToString("C2");
}