function search_facetapi_facetapi_facet_info in Faceted Navigation for Search 7

Implements hook_facetapi_facet_info().

File

./search_facetapi.facetapi.inc, line 44

Facet API hook implementations.

Code

function search_facetapi_facetapi_facet_info(array $searcher_info) {
  $facets = array();
  if ('search' == $searcher_info['adapter'] && isset($searcher_info['types']['node'])) {
    $entity_type = 'node';

    // Gets field mappings.
    $mappings = module_invoke_all('search_facetapi_field_mappings');
    drupal_alter('search_facetapi_field_mappings', $mappings);

    // Iterates over fields and builds facet definitions.
    $instances = field_info_instances($entity_type);
    foreach (field_info_fields() as $field_name => $field) {

      // Makes sure the field is mapped and attached to a bundle in the entity
      // we are indexing.
      if (isset($mappings[$field['type']]) && isset($field['bundles'][$entity_type])) {
        $label = FALSE;

        // If we don't have a label, the field should not be faceted on.
        foreach ($field['bundles'][$entity_type] as $bundle) {
          $display = $instances[$bundle][$field_name]['display'];
          if (empty($display['search_index']) || 'hidden' != $display['search_index']) {
            $label = $instances[$bundle][$field_name]['label'];
          }
        }
        if ($label) {
          $facets[$field_name] = $mappings[$field['type']] + array(
            'label' => check_plain($label),
            'field api name' => $field_name,
            'dependency plugins' => array(
              'bundle',
              'role',
            ),
            'description' => t('Filter by field of type @type.', array(
              '@type' => $field['type'],
            )),
          );
        }
      }
    }
  }
  return $facets;
}