function perform_action($oEntity)
{
// TODO find a way to do bulk email
$exportCode = $_SESSION['exportcode'];
$this->oZip = ZipFolder::get($exportCode);
$oQueue = new DownloadQueue();
$config = KTConfig::getSingleton();
$useQueue = $config->get('export/useDownloadQueue');
if (is_a($oEntity, 'Document')) {
$oDocument = $oEntity;
if ($oDocument->isSymbolicLink()) {
$oDocument->switchToLinkedCore();
}
if ($useQueue) {
DownloadQueue::addItem($this->sExportCode, $this->oFolder->getId(), $oDocument->iId, 'document');
} else {
$oQueue->addDocument($this->oZip, $oDocument->iId);
}
} else {
if (is_a($oEntity, 'Folder')) {
$aDocuments = array();
$oFolder = $oEntity;
if ($oFolder->isSymbolicLink()) {
$oFolder = $oFolder->getLinkedFolder();
}
$sFolderId = $oFolder->getId();
if ($useQueue) {
DownloadQueue::addItem($this->sExportCode, $this->oFolder->getId(), $sFolderId, 'folder');
} else {
$oQueue->addFolder($this->oZip, $sFolderId);
}
}
}
return "DownloadDocument";
}
