private void NameAndPassword_TextChanged(object sender, EventArgs e)
{
lbl_Info.ResetText();
lbl_Info.ForeColor = Color.DarkRed;
string modifiedUsername = txtBxName.Text.Trim();
string modifiedPassword = txtBxPassword.Text.Trim();
if (modifiedUsername != thisUser.Username ||
modifiedPassword != thisUser.Password)
{
if (modifiedPassword.Length < 6 ||
modifiedUsername.Length < 6)
{
lbl_Info.Text = "Username or Password must be at least 6 characters long.";
return;
}
//input checking
if (acctReader.AccountExists(modifiedUsername) && modifiedUsername != thisUser.Username)
{
lbl_Info.Text = "That username is already used.";
}
else
{
userHasBeenModified = true;
lbl_Info.Text = "User has been modified.";
lbl_Info.ForeColor = Color.Yellow;
}
}
else
{
userHasBeenModified = false;
lbl_Info.Text = "";
}
}
private void btnAddUser_Click(object sender, EventArgs e)
{
string username = txtBxName.Text.Trim();
string password = txtBxPassword.Text.Trim();
string passwordConf = txtBxPasswordConf.Text.Trim();
if (username == "" ||
password == "" ||
username.Length < 6 ||
password.Length < 6)
{
lbl_Info.Text = "Username and password must be at least 6 characters long.";
}
else if (acctReader.AccountExists(username))
{
lbl_Info.Text = "Username is already used. Please enter another.";
}
else if (password != passwordConf)
{
lbl_Info.Text = "Passwords don't match.";
}
else
{
if (chkBxIsAdmin.Checked)
{
acctReader.WriteAdminAccount(username, password);
lbl_Info.ForeColor = Color.Green;
lbl_Info.Text = "New admin successfully added!";
MessageBox.Show("New admin successfully added!", "Add User", MessageBoxButtons.OK, MessageBoxIcon.Information, MessageBoxDefaultButton.Button1);
this.newAdmin = acctReader.GetAdminAccount(username, password);
this.Close();
}
else
{
acctReader.WriteUserAccount(username, password);
lbl_Info.ForeColor = Color.Green;
lbl_Info.Text = "New user successfully added!";
MessageBox.Show("New user successfully added!", "Add User", MessageBoxButtons.OK, MessageBoxIcon.Information, MessageBoxDefaultButton.Button1);
this.newUser = acctReader.GetUserAccount(username, password);
this.Close();
}
}
}
private void btnSignIn_Click(object sender, EventArgs e)
{
string userName = txtBxUser.Text.Trim();
string passWord = txtBxPass.Text.Trim();
string confPW = txtBxConfPw.Text.Trim();
//Check first if input is valid
if (!ValidateInput(userName, passWord))
{
return;
}
//Sign In
if (btnSignIn.Text == "Sign In")
{
//Verify login details
if (acctAcc.IsValidAccount(userName, passWord))
{
//distinguish between user and admin account,
//start with user account first
if (acctAcc.IsAdminAccount(userName, passWord))
{
//get admin account
var adminAccount = acctAcc.GetAdminAccount(userName, passWord);
MessageBox.Show("Admin verified, welcome " + adminAccount.Username + '!', "Login", MessageBoxButtons.OK, MessageBoxIcon.Information);
//admin window here
User_Interface.AdminUI ui_admin = new User_Interface.AdminUI(this, adminAccount);
txtBxUser.ResetText();
txtBxPass.ResetText();
this.Hide();
ui_admin.Show();
}
else
{
//get user account
var userAccount = acctAcc.GetUserAccount(userName, passWord);
MessageBox.Show("Login success!", "Login", MessageBoxButtons.OK, MessageBoxIcon.Information);
//Instantiate the MainMenu
MainWindowUI ui_main = new MainWindowUI(this, userAccount);
txtBxUser.ResetText();
txtBxPass.ResetText();
this.Hide();
ui_main.Show();
}
}
//If no match, inform user
else
{
MessageBox.Show("Incorrect username or password entered.", "Login", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtBxPass.Focus();
txtBxPass.SelectAll();
}
}
//Sign Up
else
{
//Verify login details
if (acctAcc.AccountExists(userName))
{
MessageBox.Show("Username is already used. Please enter a new one.", "Sign Up", MessageBoxButtons.OK, MessageBoxIcon.Information);
txtBxUser.Focus();
txtBxUser.SelectAll();
return;
}
else if (confPW != passWord)
{
MessageBox.Show("Passwords don't match.", "Login", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtBxConfPw.ResetText();
txtBxPass.Focus();
txtBxPass.SelectAll();
return;
}
//If no match, create account and inform user
else
{
acctAcc.WriteUserAccount(userName, passWord);
MessageBox.Show("Account creation success!", "Sign Up", MessageBoxButtons.OK, MessageBoxIcon.Information);
txtBxPass.ResetText();
txtBxPass.Focus();
btnSignIn.Text = "Sign In";
lblSign.Text = "Don't have an account?";
lnkLblSignUp.Text = "Sign up now.";
lblConfPw.Enabled = false;
lblConfPw.Visible = false;
txtBxConfPw.ResetText();
txtBxConfPw.Enabled = false;
txtBxConfPw.Visible = false;
}
}
}
private void btnVerify_Click(object sender, EventArgs e)
{
string input = txtBxInput.Text.Trim();
//password entering phase
if (lbl_Input.Text == "Password: "******"Password must be at least 6 characters long.";
lbl_Info.ForeColor = Color.DarkRed;
}
else if (input != adminUser.Password)
{
lbl_Info.Text = "Incorrect password entered.";
lbl_Info.ForeColor = Color.DarkRed;
}
else
{
lbl_Info.Text = "Enter your new username.";
lbl_Input.Text = "New username: "******"Username must be at least 6 characters long.";
lbl_Info.ForeColor = Color.DarkRed;
}
else if (acctReader.AccountExists(input))
{
lbl_Info.Text = "Username is already used. Please enter another.";
lbl_Info.ForeColor = Color.DarkRed;
}
else
{
lbl_Info.Text = "Enter your new username.";
lbl_Info.ForeColor = Color.Black;
//confirm username change
DialogResult response = MessageBox.Show("Change username?", "Reset Username",
MessageBoxButtons.YesNo, MessageBoxIcon.Information, MessageBoxDefaultButton.Button2);
if (response == DialogResult.Yes)
{
//change username
if (acctReader.UpdateAccount(adminUser.Id, input, adminUser.Password))
{
adminUser = acctReader.GetAdminAccount(input, adminUser.Password);
MessageBox.Show("Username changed!", "Reset Username", MessageBoxButtons.OK,
MessageBoxIcon.Information, MessageBoxDefaultButton.Button1);
lbl_Info.Text = "Username successfully changed!";
lbl_Info.ForeColor = Color.Green;
usernameChanged = true;
this.Close();
}
else
{
Trace.WriteLine("Failed to update new username: "******", with password: "******", and ID: " + adminUser.Id);
MessageBox.Show("Failed to change username.", "Reset Username", MessageBoxButtons.OK,
MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
lbl_Info.Text = "Enter your new username.";
lbl_Info.ForeColor = Color.Black;
}
}
}
}
}
/// <summary>
///
/// </summary>
/// <param name="username"></param>
/// <returns>
/// true if username exists in database, false otherwise
/// </returns>
public bool IsValidUsername(string username)
{
return(accountManager.AccountExists(username));
}