/**
* Get result data for the response
*
* @throws RuntimeException
* @param Result $result
* @return array
*/
public function parse($result)
{
$data = $result->getData();
/**
* @var $query Query
*/
$query = $result->getQuery();
// create document instances
$documentClass = $query->getOption('documentclass');
$classes = class_implements($documentClass);
if (!in_array('Solarium\\QueryType\\Select\\Result\\DocumentInterface', $classes) && !in_array('Solarium\\QueryType\\Update\\Query\\Document\\DocumentInterface', $classes)) {
throw new RuntimeException('The result document class must implement a document interface');
}
$documents = array();
if (isset($data['response']['docs'])) {
foreach ($data['response']['docs'] as $doc) {
$fields = (array) $doc;
$documents[] = new $documentClass($fields);
}
}
// component results
$components = array();
foreach ($query->getComponents() as $component) {
$componentParser = $component->getResponseParser();
if ($componentParser) {
$components[$component->getType()] = $componentParser->parse($query, $component, $data);
}
}
if (isset($data['response']['numFound'])) {
$numFound = $data['response']['numFound'];
} else {
$numFound = null;
}
return $this->addHeaderInfo($data, array('numfound' => $numFound, 'documents' => $documents, 'components' => $components));
}
/**
* Lets modules alter the search results returned from a Solr search.
*
* @param \Drupal\search_api\Query\ResultSetInterface $results
* The results array that will be returned for the search.
* @param \Drupal\search_api\Query\QueryInterface $query
* The SearchApiQueryInterface object representing the executed search query.
* @param \Solarium\QueryType\Select\Result\Result $resultset
* The Solarium result object.
*/
function hook_search_api_solr_search_results_alter(\Drupal\search_api\Query\ResultSetInterface $results, \Drupal\search_api\Query\QueryInterface $query, \Solarium\QueryType\Select\Result\Result $resultset)
{
$resultset_data = $resultset->getData();
if (isset($resultset_data['facet_counts']['facet_fields']['custom_field'])) {
// Do something with $results.
}
}
/**
* Extracts facets from a Solarium result set.
*
* @param \Drupal\search_api\Query\QueryInterface $query
* The search query.
* @param \Solarium\QueryType\Select\Result\Result $resultset
* A Solarium select response object.
*
* @return array
* An array describing facets that apply to the current results.
*/
protected function extractFacets(QueryInterface $query, Result $resultset)
{
$facets = array();
if (!$resultset->getFacetSet()) {
return $facets;
}
$index = $query->getIndex();
$field_names = $this->getFieldNames($index);
$fields = $index->getFields();
$extract_facets = $query->getOption('search_api_facets', array());
if ($facet_fields = $resultset->getFacetSet()->getFacets()) {
foreach ($extract_facets as $delta => $info) {
$field = $field_names[$info['field']];
if (!empty($facet_fields[$field])) {
$min_count = $info['min_count'];
$terms = $facet_fields[$field]->getValues();
if ($info['missing']) {
// We have to correctly incorporate the "_empty_" term.
// This will ensure that the term with the least results is dropped,
// if the limit would be exceeded.
if (isset($terms[''])) {
if ($terms[''] < $min_count) {
unset($terms['']);
} else {
arsort($terms);
if ($info['limit'] > 0 && count($terms) > $info['limit']) {
array_pop($terms);
}
}
}
} elseif (isset($terms[''])) {
unset($terms['']);
}
$type = isset($fields[$info['field']]) ? $fields[$info['field']]->getType() : 'string';
foreach ($terms as $term => $count) {
if ($count >= $min_count) {
if ($term === '') {
$term = '!';
} elseif ($type == 'boolean') {
if ($term == 'true') {
$term = '"1"';
} elseif ($term == 'false') {
$term = '"0"';
}
} elseif ($type == 'date') {
$term = $term ? '"' . strtotime($term) . '"' : NULL;
} else {
$term = "\"{$term}\"";
}
if ($term) {
$facets[$delta][] = array('filter' => $term, 'count' => $count);
}
}
}
if (empty($facets[$delta])) {
unset($facets[$delta]);
}
}
}
}
$result_data = $resultset->getData();
if (isset($result_data['facet_counts']['facet_queries'])) {
if ($spatials = $query->getOption('search_api_location')) {
foreach ($result_data['facet_counts']['facet_queries'] as $key => $count) {
if (!preg_match('/^spatial-(.*)-(\\d+(?:\\.\\d+)?)$/', $key, $m)) {
continue;
}
if (empty($extract_facets[$m[1]])) {
continue;
}
$facet = $extract_facets[$m[1]];
if ($count >= $facet['min_count']) {
$facets[$m[1]][] = array('filter' => "[* {$m[2]}]", 'count' => $count);
}
}
}
}
return $facets;
}