/**
* Update dedup candidate keys for the given record
*
* @param array $record Database record
* @param object $metadataRecord Metadata record for the used format
*
* @return boolean Whether anything was changed
*/
public function updateDedupCandidateKeys(&$record, $metadataRecord)
{
$result = false;
if ($metadataRecord->getAccessRestrictions()) {
$result = isset($record['title_keys']) || isset($record['isbn_keys']) || isset($record['id_keys']);
unset($record['title_keys']);
unset($record['isbn_keys']);
unset($record['id_keys']);
return $result;
}
$keys = [MetadataUtils::createTitleKey($metadataRecord->getTitle(true))];
if (!isset($record['title_keys']) || !is_array($record['title_keys']) || array_diff($record['title_keys'], $keys)) {
$record['title_keys'] = $keys;
$result = true;
}
if (empty($record['title_keys'])) {
unset($record['title_keys']);
}
$keys = $metadataRecord->getISBNs();
if (!isset($record['isbn_keys']) || !is_array($record['isbn_keys']) || array_diff($record['isbn_keys'], $keys)) {
$record['isbn_keys'] = $keys;
$result = true;
}
if (empty($record['isbn_keys'])) {
unset($record['isbn_keys']);
}
$keys = $metadataRecord->getUniqueIDs();
if (!isset($record['id_keys']) || !is_array($record['id_keys']) || array_diff($record['id_keys'], $keys)) {
$record['id_keys'] = $keys;
$result = true;
}
if (empty($record['id_keys'])) {
unset($record['id_keys']);
}
return $result;
}
