protected function translateQueries(CriteriaList $criteria_list)
{
if ($criteria_list->isEmpty()) {
return ['match_all' => []];
} else {
// @todo atm we only support global search on the _all field
// more complex search query building will follow up
$search_criteria = $criteria_list->getFirst();
if (!$search_criteria instanceof SearchCriteria) {
throw new RuntimeError(sprintf('Only instances of %s supported as search-criteria.', SearchCriteria::CLASS));
}
$phrase = $search_criteria->getPhrase();
if (preg_match('~^suggest:([\\.\\w]+)=(.+)~', $phrase, $matches)) {
$suggest_field_parts = [];
// strip the 'type' portion of the attribute-path, to address props the way ES expects
foreach (explode('.', $matches[1]) as $i => $field_part) {
if ($i % 2 === 0) {
$suggest_field_parts[] = $field_part;
}
}
$suggest_field = implode('.', $suggest_field_parts);
$suggest_field .= '.suggest';
// convention: multi field for suggestions
$suggest_term = $matches[2];
return ['match_phrase_prefix' => [$suggest_field => ['query' => $suggest_term, 'max_expansions' => 15]]];
} else {
return $this->buildSearchQuery($search_criteria);
}
}
}
