/**
* @param string $field
* @return array
* @throws \Exception
*/
public function analyseField($field)
{
try {
$data = $this->{$field};
} catch (\Exception $exc) {
throw new \Exception("Property {$field} does not exist for " . get_class());
}
return SearchAnalyser::analyse($data);
}
/**
* Find the entities that have the appropriate keywords in their searchIndex
*
* @param string $searchText
* @param int $maxResults
* @return Collection found entities
*/
public function indexSearch($searchText, $maxResults)
{
// split the phrase into words
$words = SearchAnalyser::analyse($searchText);
if (!$words) {
return [];
}
$query = $this->createQueryBuilder('o')->setMaxResults($maxResults);
$parameters = [];
foreach ($words as $k => $word) {
$subquery = $query->getEntityManager()->createQueryBuilder()->select("i{$k}.keyword")->from($this->getSearchIndexClass(), "i{$k}")->where("i{$k}.object = o")->andWhere("i{$k}.keyword LIKE :search{$k}");
$query->andWhere($query->expr()->exists($subquery->getDql()));
$parameters["search{$k}"] = $word . '%';
}
$query->setParameters($parameters);
//dump($query->getQuery()->getSQL());
$results = $query->getQuery()->execute();
return $results;
}