function search_api_federated_solr_search_api_solr_field_mapping_alter in Search API Federated Solr 8

Same name and namespace in other branches

1. 8.3 search_api_federated_solr.module \search_api_federated_solr_search_api_solr_field_mapping_alter()
2. 8.2 search_api_federated_solr.module \search_api_federated_solr_search_api_solr_field_mapping_alter()

Change the way the index's field names are mapped to Solr field names.

Parameters

\Drupal\search_api\IndexInterface $index: The index whose field mappings are altered.

array $fields: An associative array containing the index field names mapped to their Solr counterparts. The special fields 'search_api_id' and 'search_api_relevance' are also included.

File

./search_api_federated_solr.module, line 80

Contains hook implementations for the Federated Solr Search API Module.

Code

function search_api_federated_solr_search_api_solr_field_mapping_alter(IndexInterface $index, array &$fields) {
  $singleFieldsMap = [
    // Field name => new single value for solr.
    "url" => "ss_url",
  ];

  // Iterate through the index fields and remap solr values where necessary.
  foreach (array_keys($fields) as $key) {

    // If this field is in our singleFieldsMap, remap it to its single value.
    if (array_key_exists($key, $singleFieldsMap)) {
      $fields[$key] = $singleFieldsMap[$key];
    }

    // Map all "mapped_field" property fields to their single value in solr.
    $field = $index
      ->getField($key);
    if (method_exists($field, 'getPropertyPath') && 'mapped_field' == $field
      ->getPropertyPath()) {
      $fields[$key] = preg_replace("/^(\\w)m_/", "\$1s_", $fields[$key], 1);
    }
  }
}