private function getBonusTotals($dsBegin, $dsEnd)
    {
        $query = $this->qbGetBonusTotals->build();
        $conn = $query->getConnection();
        $bind = [
            QBGetTotals::BND_PERIOD_BEGIN => $dsBegin,
            QBGetTotals::BND_PERIOD_END => $dsEnd
        ];
        $rs = $conn->fetchAll($query, $bind);
        $result = [];
        foreach ($rs as $one) {
            $accId = $one[QBGetTotals::A_ACC_ID];
            $custId = $one[QBGetTotals::A_CUST_ID];
            $total = $one[QBGetTotals::A_TOTAL];
            if ($custId) {
                $item = new DTotal();
                $item->accountId = $accId;
                $item->customerId = $custId;
                $item->total = $total;
                $result[$custId] = $item;
            }
        }
        return $result;
    }