public function rebuildZipFile($workshopId)
{
$documents = $this->getDocumentsForWorkshop($workshopId);
$config = Zend_Registry::get('config');
if (!is_readable($config->user->fileUploadPathWorkshop->val)) {
throw new Ot_Exception_Data('Target directory is not readable');
}
$zip = new Zip($config->user->fileUploadPathWorkshop->val . '/' . $workshopId . '/all_handouts.zip');
$filesToAdd = array();
foreach ($documents as $d) {
$target = $config->user->fileUploadPathWorkshop->val . '/' . $workshopId . '/' . $d['name'];
if (is_file($target)) {
$filesToAdd[] = $target;
} else {
throw new Ot_Exception_Data('File not found: ' . $target);
}
}
$zip->addFiles($filesToAdd);
$zip->createZipFile();
}
