function apachesolr_entity_fields in Apache Solr Search 6.3

Same name and namespace in other branches

1. 8 apachesolr.module \apachesolr_entity_fields()
2. 7 apachesolr.module \apachesolr_entity_fields()

Returns array containing information about node fields that should be indexed

3 calls to apachesolr_entity_fields()

apachesolr_entity_field_facets in ./apachesolr.module

Returns an array of facets for the provided entity type's fields.

apachesolr_field_name_map in ./apachesolr.module

Try to map a schema field name to a human-readable description.

content_apachesolr_index_document_build in ./apachesolr.module

Implements hook_apachesolr_index_document_build() on behalf of content module.

File

./apachesolr.module, line 2058

Integration with the Apache Solr search application.

Code

function apachesolr_entity_fields($entity_type = 'node') {
  static $fields = array();
  if (!isset($fields[$entity_type])) {
    $fields[$entity_type] = array();

    // Get the field mappings from apachesolr_field_mappings() implementations.
    $mappings = apachesolr_get_field_mappings($entity_type);

    // Only CCK can add extra fields so we don't support anything if we do not
    // have CCK
    if (module_exists('content')) {

      //$modules = system_get_info('module');
      foreach (content_fields() as $field_name => $field) {
        $row = array();
        if (isset($mappings['per-field'][$field_name]) || isset($mappings[$field['type']])) {

          // Find the mapping.
          if (isset($mappings['per-field'][$field_name])) {
            $row = $mappings['per-field'][$field_name];
          }
          else {
            $row = $mappings[$field['type']];
          }

          // The field info array.
          $row['field'] = $field;

          // @todo: for fields like taxonomy we are indexing multiple Solr fields
          // per entity field, but are keying on a single Solr field name here.
          $function = !empty($row['name callback']) ? $row['name callback'] : NULL;
          if ($function && is_callable($function)) {
            $row['name'] = $function($field);
          }
          else {
            $row['name'] = $field['field_name'];
          }
          $row['module_name'] = $field['widget']['module'];

          // Get content types which use this field.
          $result = db_query("SELECT nt.type FROM {" . content_instance_tablename() . "} nfi " . "LEFT JOIN {node_type} nt ON nt.type = nfi.type_name " . "WHERE nfi.field_name = '%s' " . "AND nfi.widget_active = 1", $field['field_name']);

          // Display this field if at least one content type which uses the
          // field does not exclude it from the search index.
          // In the worst case it's empty, but field values are still rendered.
          while ($type = db_fetch_array($result)) {
            $bundle = content_types($type['type']);
            $field_display = isset($bundle['fields'][$field_name]['display_settings']) ? $bundle['fields'][$field_name]['display_settings'] : array();
            if (empty($field_display[NODE_BUILD_SEARCH_INDEX]) || !$field_display[NODE_BUILD_SEARCH_INDEX]['exclude'] && $field_display[NODE_BUILD_SEARCH_INDEX]['format'] != 'hidden') {
              $row['display_name'] = $bundle['fields'][$field_name]['widget']['label'];
              $row['bundles'][] = $bundle['fields'][$field_name]['type_name'];
            }
          }

          // Only add to the $fields array if some instances are displayed for the search index.
          if (!empty($row['bundles'])) {

            // Use the Solr index key as the array key.
            $fields[$entity_type][apachesolr_index_key($row)][] = $row;
          }
        }
      }
    }

    // Construct pseudo-fields for taxonomy
    if (module_exists('taxonomy')) {
      foreach (taxonomy_get_vocabularies() as $vid => $vocabulary) {

        //@todo: think $row should be renamed to $field and $field to $field_info, $row is confusing, but this should be done in d7 and back-ported

        //@todo: remove this and the above comment before commit
        $field = $mappings['taxonomy_term'];
        $field['name'] = 'taxonomy_vid_' . $vid;
        $field['module_name'] = $vocabulary->module;
        $field['display_name'] = $vocabulary->name;
        $field['bundles'] = $vocabulary->nodes;
        $field['multiple'] = true;

        // Faux field-info
        $field['field'] = array();
        $field['field']['field_name'] = 'taxonomy';
        $field['field']['vid'] = $vid;
        $field['field']['type'] = 'taxonomy_term';
        if (!empty($field['bundles'])) {
          $fields[$entity_type][apachesolr_index_key($field)] = array(
            $field,
          );
        }
      }
    }
  }
  return $fields[$entity_type];
}