function apachesolr_date_default_indexing_callback in Apache Solr Search 8

Same name and namespace in other branches

1. 6.3 apachesolr.index.inc \apachesolr_date_default_indexing_callback()
2. 7 apachesolr.index.inc \apachesolr_date_default_indexing_callback()

This function is used during indexing to normalize the DATE and DATETIME fields into the appropriate format for Apache Solr.

Parameters

object $entity:

string $field_name:

string $index_key:

array $field_info:

Return value

array $fields

1 string reference to 'apachesolr_date_default_indexing_callback'

date_apachesolr_field_mappings in ./apachesolr.module

Implements hook_apachesolr_field_mappings() on behalf of date module.

File

./apachesolr.index.inc, line 1152

Functions related to Apache Solr indexing operations.

Code

function apachesolr_date_default_indexing_callback($entity, $field_name, $index_key, array $field_info) {
  $fields = array();
  if (!empty($entity->{$field_name})) {
    $field = $entity->{$field_name};
    list($lang, $values) = each($field);

    // Construct a Solr-ready date string in UTC time zone based on the field's date string and time zone.
    $tz = new DateTimeZone(isset($field['timezone']) ? $field['timezone'] : 'UTC');

    // $fields may end up having two values; one for the start date
    // and one for the end date.
    foreach ($values as $value) {
      if ($date = date_create($value['value'], $tz)) {
        $index_value = apachesolr_date_iso($date
          ->format('U'));
        $fields[] = array(
          'key' => $index_key,
          'value' => $index_value,
        );
      }
      if (isset($value['value2'])) {
        if ($date = date_create($value['value2'], $tz)) {
          $index_value = apachesolr_date_iso($date
            ->format('U'));
          $fields[] = array(
            // The value2 element is the end date. Therefore it gets indexed
            // into its own Solr field.
            'key' => $index_key . '_end',
            'value' => $index_value,
          );
        }
      }
    }
  }
  return $fields;
}