/**
* @param $queryString
* @param int $offset
* @param int $limit
* @return null|SugarSeachEngineElasticResultSet
*/
public function search($queryString, $offset = 0, $limit = 20, $options = array())
{
if (self::isSearchEngineDown()) {
return null;
}
$appendWildcard = false;
if (!empty($options['append_wildcard']) && $this->canAppendWildcard($queryString)) {
$appendWildcard = true;
}
$queryString = DBManagerFactory::getInstance()->sqlLikeString($queryString, self::WILDCARD_CHAR, $appendWildcard);
$this->logger->info("Going to search with query {$queryString}");
$results = null;
try {
$queryObj = $this->buildQueryObject($queryString, $options);
$s = new \Elastica\Search($this->_client);
$finalTypes = array();
if (!empty($options['moduleFilter'])) {
foreach ($options['moduleFilter'] as $moduleName) {
// only add the module to the list if it can be viewed
if ($this->checkAccess($moduleName)) {
$finalTypes[] = $moduleName;
}
}
if (!empty($finalTypes)) {
$s->addTypes($finalTypes);
}
}
$s->addIndices($this->getReadIndices($finalTypes));
// main filter
$mainFilter = $this->constructMainFilter($finalTypes, $options);
$query = new \Elastica\Query($queryObj);
$query->setFilter($mainFilter);
if (isset($options['sort']) && is_array($options['sort'])) {
foreach ($options['sort'] as $sort) {
$query->addSort($sort);
}
}
$query->setParam('from', $offset);
// set query highlight
$fields = $this->getSearchFields($options, false);
$highlighArray = $this->constructHighlightArray($fields, $options);
$query->setHighlight($highlighArray);
// add facets
$this->addFacets($query, $options, $mainFilter);
$esResultSet = $s->search($query, $limit);
$results = new SugarSeachEngineElasticResultSet($esResultSet);
} catch (Exception $e) {
$this->reportException("Unable to perform search", $e);
$this->checkException($e);
return null;
}
return $results;
}