function getUniqueFilename($oFolder, $sFilename)
{
// this is just a quick refactoring. We should look at a more optimal way of doing this as there are
// quite a lot of queries.
$iFolderId = $oFolder->getId();
while (KTDocumentUtil::fileExists($oFolder, $sFilename)) {
$oDoc = Document::getByFilenameAndFolder($sFilename, $iFolderId);
$sFilename = KTDocumentUtil::generateNewDocumentFilename($oDoc->getFileName());
}
return $sFilename;
}
