Heidelpay - Paypal Debit Workflow
  • Updated on 22 Nov 2019
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Heidelpay - Paypal Debit Workflow

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Setup

The following configuration should be made after Heidelpay has been installed and integrated.

Configuration

Example (for testing only):

$config[HeidelpayConstants::CONFIG_HEIDELPAY_TRANSACTION_CHANNEL_PAYPAL] = '31HA07BC8142C5A171749A60D979B6E4';

This value should be taken from HEIDELPAY

Checkout Payment Step Display

Displays payment method name with radio button. No extra input fields are required.

Payment step submit

No extra actions needed, quote being filled with payment method selection as default.

Workflow

Summary Review and Order Submit

On "save order" event - save Heidelpay payment
per order and items, as usual.

When state machine is initialized, an event "send debit request" will trigger debit request. In case of success, payment system will return a redirect url for customer, where the payment can be completed. Request and response will be fully persisted in the database (spy_payment_heidelpay_transaction_log).

On "post save hook" event, we check in transaction log table if the debit request was sent successfully and if so, we set external redirect response (URL is obtained from the previous step) and redirect customer to the Paypal website where the customer confirms the payment. 
Below is the code sample from HeidelpayPostSavePlugin:

 * @method \SprykerEco\Zed\Heidelpay\Business\HeidelpayFacadeInterface getFacade()
 * @method \SprykerEco\Zed\Heidelpay\Business\HeidelpayBusinessFactory getFactory()
 */
class HeidelpayPostSavePlugin extends BaseAbstractPlugin implements CheckoutPostCheckPluginInterface
{
   /**
	* @param \Generated\Shared\Transfer\QuoteTransfer $quoteTransfer
	* @param \Generated\Shared\Transfer\CheckoutResponseTransfer $checkoutResponseTransfer
	*
	* @return void
	*/
   public function execute(QuoteTransfer $quoteTransfer, CheckoutResponseTransfer $checkoutResponseTransfer)
   {
	  $this->getFacade()->postSaveHook($quoteTransfer, $checkoutResponseTransfer);
   }
}

On payment confirmation response is sent to the Heidelpay and Heidelpay makes an asynchronous POST request to the shop's CONFIG_HEIDELPAY_PAYMENT_RESPONSE_URL
URL (Yves), with the result of payment (see HeidelpayController::paymentAction() ). This is called "external response transaction", the result will be persisted in spy_payment_heidelpay_transaction_log as usual.

The most important data here is the payment reference ID which can be used for further transactions like capture/cancel/etc.

In the response Heidelpay expects an URL string which shows where customer has to be redirected. In case if customer successfully confirmed payment, there should be a link to checkout order success step, in case of failure - checkout payment failed action with error code (seeHeidelpayController::paymentFailedAction() and Heidelpay - Workflow for Errors section). Heidelpay redirects customer to the given URL and payment process is finished.

Now the order can be considered as "paid".

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