/**
* Retrieve list of files to be harvested, filter by date
*
* @throws Exception
* @return string[]
*/
protected function retrieveFileList()
{
$list = parent::retrieveFileList();
// Take only the latest file
if ($list) {
$list = [array_pop($list)];
}
return $list;
}
/**
* Fetch a file to be harvested
*
* @param string $filename File to retrieve
*
* @return string xml
* @throws Exception
*/
protected function retrieveFile($filename)
{
$data = parent::retrieveFile($filename);
$data = str_replace('<collection xmlns="http://www.loc.gov/MARC21/slim">', '<collection>', $data);
return $data;
}
