/**
* Builds a search query from a give search term.
* @return SearchQuery
*/
protected function getSearchQuery($keywords)
{
$categoryIDs = array();
$categoryFilterID = $this->request->requestVar(self::$search_category_key);
$categories = $this->Categories();
if ($categories->count() == 0) {
$categories = FAQ::getRootCategory()->Children();
}
$filterCategory = $categories->filter('ID', $categoryFilterID)->first();
$categoryIDs = array();
if ($filterCategory && $filterCategory->exists()) {
$categoryIDs = $this->getSelectedIDs(array($filterCategory));
} else {
$categoryIDs = $this->Categories()->column('ID');
}
$query = new SearchQuery();
$query->classes = self::$classes_to_search;
if (count($categoryIDs) > 0) {
$query->filter('FAQ_Category_ID', array_filter($categoryIDs, 'intval'));
}
$query->search($keywords);
// Artificially lower the amount of results to prevent too high resource usage.
// on subsequent canView check loop.
$query->limit(100);
return $query;
}