/** * Cancels a transaction * * @param \DateTime $transactionAt * @return null|int */ protected function cancelTransaction($transactionAt) { $monthNo = $transactionAt->format('m'); $year = $transactionAt->format('Y'); $this->transData = $this->transaction->getLatestTransactionByTermId($this->termId, $monthNo, $year); if ($this->transData) { if ($this->transData->getInvoiceID() > 0) { $this->transactionAmount += $this->transData->getAmount(); } $this->transData->setStatusId($this->transStatusCancelled); $this->transaction->updateTransaction($this->transData); $previousId = $this->transData->getId(); $this->tsData = $this->transactionSupport->getTransactionSupport($previousId); $this->tsData->setTransDate($transactionAt->format('Y-m-d'))->setBand($this->band); $this->transactionSupport->updateTransactionSupport($this->tsData); return $previousId; } return null; }