How is Magento\Vault\Observer\PaymentTokenAssigner::execute() implemented and used?

dmitry_fedyuk · June 6, 2017, 4:34pm

Context: How are the payment data assigned to the Vault payment method instance on an order placement?

The single usage

It is a handler of the payment_method_assign_data_vault event:

magento/magento2/blob/2.1.7/app/code/Magento/Vault/etc/events.xml#L15-L17


<event name="payment_method_assign_data_vault">
    <observer name="vault_data_assigner" instance="Magento\Vault\Observer\PaymentTokenAssigner" />
</event>

This event is triggered by the Magento\Vault\Model\Method\Vault::assignData() method.
Context: How are the payment data assigned to the Vault payment method instance on an order placement?

Implementation

github.com

magento/magento2/blob/2.1.7/app/code/Magento/Vault/Observer/PaymentTokenAssigner.php#L33-L73


/**
 * @param Observer $observer
 * @return void
 */
public function execute(Observer $observer)
{
    $dataObject = $this->readDataArgument($observer);


    $additionalData = $dataObject->getData(PaymentInterface::KEY_ADDITIONAL_DATA);


    if (!is_array($additionalData) || !isset($additionalData[PaymentTokenInterface::PUBLIC_HASH])) {
        return;
    }


    $tokenPublicHash = $additionalData[PaymentTokenInterface::PUBLIC_HASH];


    if ($tokenPublicHash === null) {
        return;
    }


    /** @var Payment $paymentModel */
    $paymentModel = $this->readPaymentModelArgument($observer);
    if (!$paymentModel instanceof Payment) {
        return;
    }


    $quote = $paymentModel->getQuote();
    $customerId = (int) $quote->getCustomer()->getId();


    $paymentToken = $this->paymentTokenManagement->getByPublicHash($tokenPublicHash, $customerId);
    if ($paymentToken === null) {
        return;
    }


    $paymentModel->setAdditionalInformation(
        [
            PaymentTokenInterface::CUSTOMER_ID => $customerId,
            PaymentTokenInterface::PUBLIC_HASH => $tokenPublicHash
        ]
    );
}

dmitry_fedyuk · June 6, 2017, 4:34pm