Issue #3308792 by pfrenssen, daften, RandalV, mkalkbrenner: Hierarchical...

<?php

/**

 * @file

 * Post-update functions for the Facets module.

 */

/**

 * Add the hierarchy processor to facets that have the hierarchy enabled.

 */

function facets_post_update_8001_8001_8001_8001_8001_8001_8001_8001_add_hierarchy_processor() {

  $config_factory = \Drupal::configFactory();

  // Find all facets that have the hierarchy enabled, but do not use the

  // hierarchy processor.

  foreach ($config_factory->listAll('facets.facet.') as $facet_config_name) {

    $facet = $config_factory->getEditable($facet_config_name);

    if ($facet->get('use_hierarchy')) {

      $processor_configs = $facet->get('processor_configs');

      if (!isset($processor_configs['hierarchy_processor'])) {

        // Enable the hierarchy processor.

        $processor_configs['hierarchy_processor'] = [

          'id' => 'hierarchy_processor',

          'weights' => [

            'build' => 100,

          ],

          'settings' => [],

        ];

        $facet->set('processor_configs', $processor_configs);

        $facet->save(TRUE);

      }

    }

  }

}