public function SearchApiGranular::build in Facets 8

Builds the facet information, so it can be rendered.

Overrides QueryTypeRangeBase::build

File

src/Plugin/facets/query_type/SearchApiGranular.php, line 34

Class

SearchApiGranular

Basic support for numeric facets grouping by a granularity value.

Namespace

Drupal\facets\Plugin\facets\query_type

Code

public function build() {

  // If there were no results or no query object, we can't do anything.
  if (empty($this->results)) {
    return $this->facet;
  }
  $supportedFeatures = array_flip($this->query
    ->getIndex()
    ->getServerInstance()
    ->getBackend()
    ->getSupportedFeatures());

  // Range grouping is supported.
  if (isset($supportedFeatures['search_api_granular'])) {
    $query_operator = $this->facet
      ->getQueryOperator();
    $facet_results = [];
    foreach ($this->results as $result) {
      if ($result['count'] || $query_operator == 'or') {
        $result_filter = trim($result['filter'], '"');
        $facet_results[] = new Result($this->facet, $result_filter, $result_filter, $result['count']);
      }
    }
    $this->facet
      ->setResults($facet_results);
    return $this->facet;
  }
  return parent::build();
}