facets.install

<?php

/**
 * @file
 * Update hooks for the facets module.
 */

use Drupal\facets\Entity\Facet;
use Drupal\facets\Entity\FacetSource;

/**
 * Convert facets on Search Api facet sources to use the display plugin.
 */
function facets_update_8001() {
  // We changed the way we work with search api facet sources, we're now using
  // the SearchApiDisplay plugins that search api ships with. This consolidates
  // the external points for facets, sorts, autocomplete and others. This
  // refactor made us a better member of the Search API family. It also makes it
  // easier for other modules that provide a display to support facets, for
  // example, for the search_api_page module.
  //
  // This only works for the 3 default plugins that we previously shipped. So
  // only views that have a page, block, or rest display. The id will get
  // replaced from views_page:foo to search_api:views_page__foo.

  $old_ids = ['views_page', 'views_block', 'views_rest'];

  /** @var \Drupal\facets\FacetInterface[] $entities */
  $entities = Facet::loadMultiple();
  foreach ($entities as $entity) {
    $facetSourceId = $entity->getFacetSourceId();
    foreach ($old_ids as $id) {
      if (strpos($facetSourceId, $id) !== FALSE) {
        $new_id = str_replace($id . ':', 'search_api:' . $id . '__', $facetSourceId);
        $entity->setFacetSourceId($new_id);
        $entity->save();
      }
    }
  }

  /** @var \Drupal\facets\FacetSourceInterface[] $facetsources */
  $facetsources = FacetSource::loadMultiple();
  foreach ($facetsources as $facetsource) {
    $as_array = $facetsource->toArray();

    // Replace id and name to new naming scheme.
    foreach ($old_ids as $id) {
      if (strpos($as_array['id'], $id) !== FALSE) {
        $as_array['id'] = str_replace($id . '__', 'search_api__' . $id . '__', $as_array['id']);
        $as_array['name'] = str_replace($id . ':', 'search_api:' . $id . '__', $as_array['name']);
      }
    }

    // Create new source.
    unset($as_array['uuid']);
    $existing = FacetSource::load($as_array['id']);
    if (!$existing) {
      FacetSource::create($as_array)->save();

      // Delete old facet source.
      $facetsource->delete();
    }
  }
}

/**
 * Remove 'other_facet' plugin for older versions of facets.
 */
function facets_update_8002() {
  $database = \Drupal::database();
  $query = $database
    ->query("SELECT * FROM {config} WHERE data LIKE '%other_facet%'");
  $results = $query->fetchAll();

  foreach ($results as $result) {
    $data = unserialize($result->data);
    if (isset($data['visibility']['other_facet'])) {
      unset($data['visibility']['other_facet']);
    }

    $database->update('config')
      ->fields(array(
        'data' => serialize($data),
      ))
      ->condition('name', $result->name)
      ->execute();
  }
}