public function searchRelatedEpisodes(Episode $episode, $numberResults = 5)
{
$tagtext = implode(" ", $episode->getTags()->toArray());
$boolQuery = new \Elastica\Query\BoolQuery();
$multiquery = new \Elastica\Query\MultiMatch();
$multiquery->setFields(['name', 'description', 'series']);
$multiquery->setQuery($tagtext);
$multiquery->setType(\Elastica\Query\MultiMatch::TYPE_MOST_FIELDS);
$boolQuery->addMust($multiquery);
$activeQuery = new \Elastica\Query\Term();
$activeQuery->setTerm('is_active', true);
$boolQuery->addMust($activeQuery);
$excludeEpisodeQuery = new \Elastica\Query\Term();
$excludeEpisodeQuery->setTerm('id', $episode->getId());
$boolQuery->addMustNot($excludeEpisodeQuery);
return $this->episodeFinder->find($boolQuery, $numberResults);
}
/**
* Builds a multi match query with the cross_field type.
*
* @param array $boostedField of boosted fields
* @param string $queryString the query
* @param string $minShouldMatch the MinimumShouldMatch value
* @return \Elastica\Query\MultiMatch
*/
private function buildCrossFields(array $boostedFields, $queryString, $minShouldMatch)
{
$fields = array();
foreach ($boostedFields as $f) {
$fields[] = $f['field'] . '^' . $f['boost'];
}
$cross = new \Elastica\Query\MultiMatch();
$cross->setQuery($queryString);
$cross->setFields($fields);
$cross->setType('cross_fields');
$cross->setMinimumShouldMatch($minShouldMatch);
return $cross;
}
