/**
* Validates user login - required for linking new users
*
* @param string $login
*/
function validateUsersLogin($login)
{
if (empty($login)) {
$this->addValidationError($GLOBALS['strInvalidUsername']);
} elseif (OA_Permission::userNameExists($login)) {
$this->addValidationError($GLOBALS['strDuplicateClientName']);
}
}
/**
* Checks if username is still available and if
* it is allowed to use.
*
* @static
* @param string $newName User name to check
* @param string $oldName When the method check if user name is available it
* could takes into account existing user name. So
* the same username as existing username is allowed
* @return boolean True if allowed
*/
function isUsernameAllowed($newName, $oldName = null)
{
if (!empty($oldName) && !strcasecmp($oldName, $newName)) {
return true;
}
return !OA_Permission::userNameExists($newName);
}