// Logueja un usuari
public boolean correctUserLogin(String username, String password) {
if (dataController.existUser(username, password)) {
currentUser.username = username;
currentUser.password = password;
return true;
}
return false;
}
public void logOut() {
currentUser.username = "";
currentUser.password = "";
}
public void changePassword(String password) {
dataController.changePassword(currentUser.username, password);
currentUser.password = password;
}