/**
* Establishes base settings for making recommendations.
*
* @param string $settings Settings from config.ini
* @param \VuFind\RecordDriver\AbstractBase $driver Record driver object
*
* @return void
*/
public function init($settings, $driver)
{
// Create array of query parts:
$parts = [];
// Add Dewey class to query
$deweyClass = $driver->tryMethod('getDeweyCallNumber');
if (!empty($deweyClass)) {
// Skip "English Fiction" Dewey class -- this won't give us useful
// matches because there's too much of it and it's too broad.
if (substr($deweyClass, 0, 3) != '823') {
$parts[] = 'srw.dd any "' . $deweyClass . '"';
}
}
// Add author to query
$author = $driver->getPrimaryAuthor();
if (!empty($author)) {
$parts[] = 'srw.au all "' . $author . '"';
}
// Add subjects to query
$subjects = $driver->getAllSubjectHeadings();
foreach ($subjects as $current) {
$parts[] = 'srw.su all "' . implode(' ', $current) . '"';
}
// Add title to query
$title = $driver->getTitle();
if (!empty($title)) {
$parts[] = 'srw.ti any "' . str_replace('"', '', $title) . '"';
}
// Build basic query:
$query = '(' . implode(' or ', $parts) . ')';
// Not current record ID if this is already a WorldCat record:
if ($driver->getSourceIdentifier() == 'WorldCat') {
$id = $driver->getUniqueId();
$query .= " not srw.no all \"{$id}\"";
}
// Perform the search and save results:
$queryObj = new \VuFindSearch\Query\Query($query);
$result = $this->searchService->search('WorldCat', $queryObj, 0, 5);
$this->results = $result->getRecords();
}