/**
* update login name
* @param string new login
* @return boolean true on success; otherwise false
* @access public
* @throws ilUserException
*/
function updateLogin($a_login)
{
global $ilDB, $ilSetting;
if (func_num_args() != 1) {
return false;
}
if (!isset($a_login)) {
return false;
}
$former_login = self::_lookupLogin($this->getId());
// Update not necessary
if (0 == strcmp($a_login, $former_login)) {
return false;
}
try {
$last_history_entry = ilObjUser::_getLastHistoryDataByUserId($this->getId());
} catch (ilUserException $e) {
$last_history_entry = null;
}
// throw exception if the desired loginame is already in history and it is not allowed to reuse it
if ((int) $ilSetting->get('allow_change_loginname') && (int) $ilSetting->get('reuse_of_loginnames') == 0 && self::_doesLoginnameExistInHistory($a_login)) {
throw new ilUserException($this->lng->txt('loginname_already_exists'));
} else {
if ((int) $ilSetting->get('allow_change_loginname') && (int) $ilSetting->get('loginname_change_blocking_time') && is_array($last_history_entry) && $last_history_entry[1] + (int) $ilSetting->get('loginname_change_blocking_time') > time()) {
include_once 'Services/Calendar/classes/class.ilDate.php';
throw new ilUserException(sprintf($this->lng->txt('changing_loginname_not_possible_info'), ilDatePresentation::formatDate(new ilDateTime($last_history_entry[1], IL_CAL_UNIX)), ilDatePresentation::formatDate(new ilDateTime($last_history_entry[1] + (int) $ilSetting->get('loginname_change_blocking_time'), IL_CAL_UNIX))));
} else {
// log old loginname in history
if ((int) $ilSetting->get('allow_change_loginname') && (int) $ilSetting->get('create_history_loginname')) {
ilObjUser::_writeHistory($this->getId(), $former_login);
}
//update login
$this->login = $a_login;
$ilDB->manipulateF('
UPDATE usr_data
SET login = %s
WHERE usr_id = %s', array('text', 'integer'), array($this->getLogin(), $this->getId()));
include_once 'Services/Contact/classes/class.ilAddressbook.php';
ilAddressbook::onLoginNameChange($former_login, $this->getLogin());
}
}
return true;
}