public function RangeSliderProcessor::build in Facets 8

Runs before the renderable array is created.

Parameters

\Drupal\facets\FacetInterface $facet: The facet being changed.

\Drupal\facets\Result\ResultInterface[] $results: The results being changed.

Return value

\Drupal\facets\Result\ResultInterface[] The changed results.

Overrides BuildProcessorInterface::build

File

modules/facets_range_widget/src/Plugin/facets/processor/RangeSliderProcessor.php, line 45

Class

RangeSliderProcessor

Provides a processor that adds all range values between an min and max range.

Namespace

Drupal\facets_range_widget\Plugin\facets\processor

Code

public function build(FacetInterface $facet, array $results) {

  /** @var \Drupal\facets\Plugin\facets\processor\UrlProcessorHandler $url_processor_handler */
  $url_processor_handler = $facet
    ->getProcessors()['url_processor_handler'];
  $url_processor = $url_processor_handler
    ->getProcessor();
  $active_filters = $url_processor
    ->getActiveFilters();
  if (isset($active_filters[''])) {
    unset($active_filters['']);
  }

  /** @var \Drupal\facets\Result\ResultInterface[] $results */
  foreach ($results as &$result) {
    $new_active_filters = $active_filters;
    unset($new_active_filters[$facet
      ->id()]);

    // Add one generic query filter with the min and max placeholder.
    $new_active_filters[$facet
      ->id()][] = '(min:__range_slider_min__,max:__range_slider_max__)';
    $url = \Drupal::service('facets.utility.url_generator')
      ->getUrl($new_active_filters, FALSE);
    $result
      ->setUrl($url);
  }
  return $results;
}