function search_api_combined_facetapi_facet_info_alter in Search API Combined Fields 7

Implements hook_facetapi_facet_info_alter to chance the field and type of the combined facets to match the selected imitation

Parameters

array $facet_info:

array $searcher_info:

File

./search_api_combined.module, line 23

Code

function search_api_combined_facetapi_facet_info_alter(array &$facet_info, array $searcher_info) {
  $processor_info = search_api_get_processors();
  $index = search_api_index_load($searcher_info['instance']);
  $options = empty($index->options) ? array() : $index->options;
  $callbacks = empty($options['data_alter_callbacks']) ? array() : $options['data_alter_callbacks'];
  if (TRUE === isset($callbacks['search_api_alter_add_combined']['settings']['fields']) && 1 == $callbacks['search_api_alter_add_combined']['status']) {
    foreach ($callbacks['search_api_alter_add_combined']['settings']['fields'] as $key => $combined) {
      if (FALSE === empty($combined['imitate']) && TRUE === isset($facet_info[$combined['imitate']])) {
        $facet_info[$key]['field type'] = $facet_info[$combined['imitate']]['field type'];
        $facet_info[$key]['map options']['field'] = array_merge($facet_info[$key]['map options']['field'], $facet_info[$combined['imitate']]['map options']['field']);
      }

      // Carry over callback functions from facets being imitated
      foreach (array(
        'values callback',
        'hierarchy callback',
        'map callback',
        'min callback',
        'max callback',
      ) as $callback) {
        if (isset($facet_info[$combined['imitate']]) && $facet_info[$key][$callback] != $facet_info[$combined['imitate']][$callback]) {
          $facet_info[$key][$callback] = $facet_info[$combined['imitate']][$callback];
        }
      }
    }
  }
}