/**
* Edit the user's name, provided in the editing form
*
* @param $new_user_name string The new username
*
* @return bool success status
*/
public static function editUserName($new_user_name)
{
// new username same as old one ?
if ($new_user_name == Session::get('user_name')) {
Session::add('feedback_negative', Text::get('FEEDBACK_USERNAME_SAME_AS_OLD_ONE'));
return false;
}
// username cannot be empty and must be azAZ09 and 2-64 characters
if (!preg_match("/^[a-zA-Z0-9]{2,64}\$/", $new_user_name)) {
Session::add('feedback_negative', Text::get('FEEDBACK_USERNAME_DOES_NOT_FIT_PATTERN'));
return false;
}
// clean the input, strip usernames longer than 64 chars (maybe fix this ?)
$new_user_name = substr(strip_tags($new_user_name), 0, 64);
// check if new username already exists
if (UserModel::doesUsernameAlreadyExist($new_user_name)) {
Session::add('feedback_negative', Text::get('FEEDBACK_USERNAME_ALREADY_TAKEN'));
return false;
}
$status_of_action = UserModel::saveNewUserName(Session::get('user_id'), $new_user_name);
if ($status_of_action) {
Session::set('user_name', $new_user_name);
Session::add('feedback_positive', Text::get('FEEDBACK_USERNAME_CHANGE_SUCCESSFUL'));
return true;
} else {
Session::add('feedback_negative', Text::get('FEEDBACK_UNKNOWN_ERROR'));
return false;
}
}
