public function SearchApiMultiViewsQuery::get_result_wrappers in Search API Multi-Index Searches 7

Returns the according metadata wrappers for the given query results.

This is necessary to support generic entity handlers and plugins with this query backend.

Overrides SearchApiViewsQuery::get_result_wrappers

File

views/query.inc, line 116

Class

SearchApiMultiViewsQuery

Views query class using a Search API index as the data source.

Code

public function get_result_wrappers($results, $relationship = NULL, $field = NULL) {
  $wrappers = array();
  $load_items = array();
  $entity_types = entity_get_info();
  $indexes = $this
    ->getIndexes();

  // Entity property info for the results.
  $info = array();
  foreach ($indexes as $index_id => $index) {
    $entity_type = $index
      ->getEntityType();
    $info['property info'][$index_id] = array(
      'label' => t('@index results', array(
        '@index' => $index->name,
      )),
      'type' => $entity_type ? $entity_type : $index->item_type,
      'description' => t('Results from the @index index.', array(
        '@index' => $index->name,
      )),
    );
    if (!$entity_type) {
      $info['property info'][$index_id] += $index
        ->entityWrapper()
        ->info();
    }
  }

  // Pick out all results that need to be loaded.
  foreach ($results as $row_index => $row) {
    $index_id = $row->_entity_properties['search_api_multi_index'];
    if (isset($row->entity) && !empty($indexes[$index_id])) {
      $index = $indexes[$index_id];

      // If this item isn't loaded, register it for pre-loading.
      if (is_scalar($row->entity)) {
        $load_items[$index->item_type][$row->entity] = $row->entity;
      }
    }
  }

  // Load the results in bulk, by item type, and create the wrappers.
  if (!empty($load_items)) {
    foreach ($load_items as $type => $ids) {
      try {
        $load_items[$type] = search_api_get_datasource_controller($type)
          ->loadItems($ids);
      } catch (SearchApiException $e) {
        watchdog_exception('search_api_multi', $e);
      }
    }
  }

  // Create wrappers for all results.
  foreach ($results as $row_index => $row) {
    $index_id = $row->_entity_properties['search_api_multi_index'];
    if ($indexes[$index_id]) {
      if (is_scalar($row->entity)) {
        $index = $indexes[$index_id];
        if (empty($load_items[$index->item_type][$row->entity])) {
          continue;
        }
        $row->entity = $load_items[$index->item_type][$row->entity];
      }
      $item = $row->entity;
      $data = new stdClass();
      $data->{$index_id} = $item;
      $wrappers[$row_index] = entity_metadata_wrapper('search_api_multi', $data, $info);
    }
  }

  // Apply the relationship, if necessary.
  $type = 'search_api_multi';
  $selector_suffix = '';
  if ($field && ($pos = strrpos($field, ':'))) {
    $selector_suffix = substr($field, 0, $pos);
  }
  if ($selector_suffix || $relationship && !empty($this->view->relationship[$relationship])) {

    // Use EntityFieldHandlerHelper to compute the correct data selector for
    // the relationship.
    $handler = (object) array(
      'view' => $this->view,
      'relationship' => $relationship,
      'real_field' => '',
    );
    $selector = EntityFieldHandlerHelper::construct_property_selector($handler);
    $selector .= ($selector ? ':' : '') . $selector_suffix;
    list($type, $wrappers) = EntityFieldHandlerHelper::extract_property_multiple($wrappers, $selector);
  }
  return array(
    $type,
    $wrappers,
  );
}