public function fetch($query, $ids)
{
$criteria = [];
foreach ($query as $term) {
$criteria[$term->name] = $term->toparam();
}
$criteria["ids"] = SubscriptionSearch::ids()->in($ids)->toparam();
$path = $this->_config->merchantPath() . '/subscriptions/advanced_search';
$response = $this->_http->post($path, ['search' => $criteria]);
return Util::extractAttributeAsArray($response['subscriptions'], 'subscription');
}