/**
* Fetch local records for all the found dedup records
*
* @param EventInterface $event Event
*
* @return void
*/
protected function fetchLocalRecords($event)
{
$config = $this->serviceLocator->get('VuFind\\Config');
$searchConfig = $config->get($this->searchConfig);
$dataSourceConfig = $config->get($this->dataSourceConfig);
$recordSources = isset($searchConfig->Records->sources) ? $searchConfig->Records->sources : '';
$sourcePriority = $this->determineSourcePriority($recordSources);
$params = $event->getParam('params');
$buildingPriority = $this->determineBuildingPriority($params);
$idList = [];
// Find out the best records and list their IDs:
$result = $event->getTarget();
foreach ($result->getRecords() as $record) {
$fields = $record->getRawData();
if (!isset($fields['merged_boolean'])) {
continue;
}
$localIds = $fields['local_ids_str_mv'];
$dedupId = $localIds[0];
$priority = 99999;
$undefPriority = 99999;
// Find the document that matches the source priority best:
$dedupData = [];
foreach ($localIds as $localId) {
$localPriority = null;
list($source) = explode('.', $localId, 2);
if (!empty($buildingPriority)) {
if (isset($buildingPriority[$source])) {
$localPriority = -$buildingPriority[$source];
} elseif (isset($dataSourceConfig[$source]['institution'])) {
$institution = $dataSourceConfig[$source]['institution'];
if (isset($buildingPriority[$institution])) {
$localPriority = -$buildingPriority[$institution];
}
}
}
if (!isset($localPriority)) {
if (isset($sourcePriority[$source])) {
$localPriority = $sourcePriority[$source];
} else {
$localPriority = ++$undefPriority;
}
}
if (isset($localPriority) && $localPriority < $priority) {
$dedupId = $localId;
$priority = $localPriority;
}
$dedupData[$source] = ['id' => $localId, 'priority' => isset($localPriority) ? $localPriority : 99999];
}
$fields['dedup_id'] = $dedupId;
$idList[] = $dedupId;
// Sort dedupData by priority:
uasort($dedupData, function ($a, $b) {
return $a['priority'] - $b['priority'];
});
$fields['dedup_data'] = $dedupData;
$record->setRawData($fields);
}
if (empty($idList)) {
return;
}
// Fetch records and assign them to the result:
$localRecords = $this->backend->retrieveBatch($idList)->getRecords();
foreach ($result->getRecords() as $record) {
$dedupRecordData = $record->getRawData();
if (!isset($dedupRecordData['dedup_id'])) {
continue;
}
// Find the corresponding local record in the results:
$foundLocalRecord = null;
foreach ($localRecords as $localRecord) {
if ($localRecord->getUniqueID() == $dedupRecordData['dedup_id']) {
$foundLocalRecord = $localRecord;
break;
}
}
if (!$foundLocalRecord) {
continue;
}
$localRecordData = $foundLocalRecord->getRawData();
// Copy dedup_data for the active data sources:
foreach ($dedupRecordData['dedup_data'] as $dedupDataKey => $dedupData) {
if (!$recordSources || isset($sourcePriority[$dedupDataKey])) {
$localRecordData['dedup_data'][$dedupDataKey] = $dedupData;
}
}
// Copy fields from dedup record to local record
$localRecordData = $this->appendDedupRecordFields($localRecordData, $dedupRecordData, $recordSources, $sourcePriority);
$foundLocalRecord->setRawData($localRecordData);
$foundLocalRecord->setHighlightDetails($record->getHighlightDetails());
$result->replace($record, $foundLocalRecord);
}
}
