private function addToTotals($data, $currencyId, $field, $value)
{
$currencyId = $currencyId ?: Auth::user()->account->getCurrencyId();
if (!isset($data[$currencyId][$field])) {
$data[$currencyId][$field] = 0;
}
$data[$currencyId][$field] += $value;
return $data;
}