/**
* Perform a search and return record collection.
*
* @param AbstractQuery $query Search query
* @param integer $offset Search offset
* @param integer $limit Search limit
* @param ParamBag $params Search backend parameters
*
* @return RecordCollectionInterface
*/
public function search(AbstractQuery $query, $offset, $limit, ParamBag $params = null)
{
$baseParams = $this->getQueryBuilder()->build($query);
if (null !== $params) {
$baseParams->mergeWith($params);
}
$args = $this->paramBagToArray($baseParams);
try {
$response = $this->connector->query($args, $offset, $limit);
// Apply default search if necessary:
if ($response['recordCount'] < 1 && isset($this->defaultSearch)) {
$args['search'] = $this->defaultSearch;
$response = $this->connector->query($args, $offset, $limit);
}
} catch (\Exception $e) {
throw new BackendException($e->getMessage(), $e->getCode(), $e);
}
$collection = $this->createRecordCollection($response);
$this->injectSourceIdentifier($collection);
return $collection;
}
/**
* Create the LibGuides connector.
*
* @return Connector
*/
protected function createConnector()
{
// Load credentials:
$iid = isset($this->libGuidesConfig->General->iid) ? $this->libGuidesConfig->General->iid : null;
// Pick version:
$ver = isset($this->libGuidesConfig->General->version) ? $this->libGuidesConfig->General->version : 1;
// Build HTTP client:
$client = $this->serviceLocator->get('VuFind\\Http')->createClient();
$timeout = isset($this->libGuidesConfig->General->timeout) ? $this->libGuidesConfig->General->timeout : 30;
$client->setOptions(['timeout' => $timeout]);
$connector = new Connector($iid, $client, $ver);
$connector->setLogger($this->logger);
return $connector;
}