private void LoginButton_Click(object sender, EventArgs e)
{
_ = new User();
User_Service userService = new User_Service();
if ((UsernameTxtBox.Text.Length < 1) || (PasswordTxtBox.Text.Length < 1))
{
MessageBox.Show("Missing credentials!");
}
else
{
if (userService.IsUsernamePresent(UsernameTxtBox.Text))
{
User user = userService.GetUserByName(UsernameTxtBox.Text);
if (PasswordTxtBox.Text.Equals(user.password))
{
this.Hide();
new Dashboard(user).Show();
user.rememberMe = RememberMeBox.Checked;
}
else
{
MessageBox.Show("Incorrect username or password"); //password doesn't match
}
}
else
{
MessageBox.Show("Incorrect username or password"); //username does not exist in the db
}
}
}
private User CheckUser() //checks if user with username is
{ //present in db and returns User object
_ = new User();
User_Service userService = new User_Service();
if (userService.IsUsernamePresent(UsernameTxtBox.Text))
{
User user = userService.GetUserByName(UsernameTxtBox.Text);
return(user);
}
else
{
return(null);
}
}
//Checks if the username is already in the database.
private bool isUserValid()
{
if (service.IsUsernamePresent(txtUsername.Text))
{
MessageBox.Show("Username is already taken please pick another one", "Invalid username", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
else if (String.IsNullOrWhiteSpace(txtUsername.Text) || String.IsNullOrWhiteSpace(txtPassword.Text) || String.IsNullOrWhiteSpace(txtName.Text) || String.IsNullOrWhiteSpace(txtEmailAddress.Text) || String.IsNullOrWhiteSpace(txtlastName.Text))
{
MessageBox.Show("Please fill all the fields properly(all fields must be filled", "Missing field", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
else if (txtPassword.Text.Length < 4 || txtUsername.Text.Length < 4)
{
MessageBox.Show("Username and password field must have more than 4 characters", "Invalid username/password", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
return(true);
}