public function SearchApiAlterAddHierarchy::propertyInfo in Search API 7

Implements SearchApiAlterCallbackInterface::propertyInfo().

Overrides SearchApiAbstractAlterCallback::propertyInfo

File

includes/callback_add_hierarchy.inc, line 119

Contains SearchApiAlterAddHierarchy.

Class

SearchApiAlterAddHierarchy

Adds all ancestors for hierarchical fields.

Code

public function propertyInfo() {
  if (empty($this->options['fields'])) {
    return array();
  }
  $ret = array();
  $wrapper = $this->index
    ->entityWrapper(NULL, FALSE);
  foreach ($this->options['fields'] as $field) {
    list($key, $prop) = explode(':', $field);
    if (!isset($wrapper->{$key})) {
      continue;
    }
    $child = $wrapper->{$key};
    while (search_api_is_list_type($child
      ->type())) {
      $child = $child[0];
    }
    if (!isset($child->{$prop})) {
      continue;
    }
    if (!isset($ret[$key])) {
      $ret[$key] = $child
        ->info();
      $type = search_api_extract_inner_type($ret[$key]['type']);
      $ret[$key]['type'] = "list<{$type}>";
      $ret[$key]['getter callback'] = 'entity_property_verbatim_get';

      // The return value of info() has some additional internal values set,
      // which we have to unset for the use here.
      unset($ret[$key]['name'], $ret[$key]['parent'], $ret[$key]['langcode'], $ret[$key]['clear'], $ret[$key]['property info alter'], $ret[$key]['property defaults']);
    }
    if (isset($ret[$key]['bundle'])) {
      $info = $child->{$prop}
        ->info();
      if (empty($info['bundle']) || $ret[$key]['bundle'] != $info['bundle']) {
        unset($ret[$key]['bundle']);
      }
    }
  }
  return $ret;
}