function apachesolr_multilingual_date_default_indexing_callback_implementation in Apache Solr Multilingual 7

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 call to apachesolr_multilingual_date_default_indexing_callback_implementation()

apachesolr_multilingual_date_default_indexing_callback in ./apachesolr_multilingual.module

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

File

./apachesolr_multilingual.index.inc, line 81

Code

function apachesolr_multilingual_date_default_indexing_callback_implementation($entity, $field_name, $index_key, array $field_info) {
  $fields = array();
  if (!empty($entity->{$field_name})) {
    $field = $entity->{$field_name};
    $values = array();
    if (array_key_exists($entity->language, $field) && is_array($field[$entity->language])) {
      $values = $field[$entity->language];
    }
    else {
      list($lang, $values) = each($field);
      if (!is_array($values)) {
        $values = array();
      }
    }

    // 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;
}