private void prevPageBtn_Click(object sender, RoutedEventArgs e)
{
if (SQLiteDataAccess.LoadUsers().Count() != 0)
{
MenuWindow menuWindow = new MenuWindow();
menuWindow.Show();
this.Close();
}
}
/*
* Upon application startup, the Login window is intialized.
* If there are no stored users in db, start add user form to add inital user.
*/
public Login()
{
InitializeComponent();
if (SQLiteDataAccess.LoadUsers().Count() == 0)
{
MessageBox.Show("Welcome new user!");
AddUser addUser = new AddUser();
addUser.Show();
this.Close();
}
}
/// <summary>
/// Returns the index of an EasyPayUser based on username
/// </summary>
/// <param name="enteredUser">String username</param>
/// <returns>int index of location on LoadUsers, otherwise -1 if nonexistent() list</returns>
public static int indexOfUser(String enteredUser)
{
List <EasyPayUser> userList = SQLiteDataAccess.LoadUsers();
foreach (EasyPayUser user in userList)
{
if (user.User_Name == enteredUser)
{
return(userList.IndexOf(user));
}
}
return(-1);
}
/// <summary>
/// Checks for a match between password entered and pasword saved in database for a given user based on index of
/// the EasyPayUser in the List returned.
/// </summary>
/// <param name="index">int index of EasyPayUser location in List</param>
/// <param name="pw">String password entered in login screen</param>
/// <returns>True if password mathches pw at given index</returns>
public static Boolean validPassword(int index, String pw)
{
List <EasyPayUser> userList = SQLiteDataAccess.LoadUsers();
EasyPayUser currentUser = userList.ElementAt(index);
if (Encode_Decode.Decrypt(currentUser.Password) == pw)
{
return(true);
}
else
{
return(false);
}
}
