private function getFuzzySuggestions($searchResults = array())
{
$suggestions = array();
//look for similar search terms
if (!empty($this->query) && (empty($searchResults) || count($searchResults) < 1)) {
$terms = Plugin::fuzzyFindTerms($this->query, $this->frontendIndex, 3);
if (empty($terms) || count($terms) < 1) {
$terms = Plugin::fuzzyFindTerms($this->query, $this->frontendIndex, 0);
}
if (is_array($terms)) {
$counter = 0;
foreach ($terms as $term) {
$t = $term->text;
$hits = NULL;
$query = new \Zend_Search_Lucene_Search_Query_Boolean();
$userQuery = \Zend_Search_Lucene_Search_QueryParser::parse($t, 'utf-8');
$query->addSubquery($userQuery, TRUE);
$this->addLanguageQuery($query);
$this->addCategoryQuery($query);
$this->addCountryQuery($query);
$this->addRestrictionQuery($query);
$validHits = $this->getValidHits($this->frontendIndex->find($query));
if (count($validHits) > 0 && !in_array($t, $suggestions)) {
$suggestions[] = $t;
if ($counter >= $this->maxSuggestions) {
break;
}
$counter++;
}
}
}
}
return $suggestions;
}