class-wc-heidelpay-push.php

<?php
/**
 * heidelpay push
 *
 * Handles a push notification
 *
 * @license Use of this software requires acceptance of the Evaluation License Agreement. See LICENSE file.
 * @copyright Copyright © 2018-present heidelpay GmbH. All rights reserved.
 *
 * @link  http://dev.heidelpay.com/
 *
 * @author  Florian Evertz
 *
 * @package  woocommerce-heidelpay
 * @category WooCommerce
 */

if (!defined('ABSPATH')) {
    exit; // Exit if accessed directly
}

require_once dirname(__DIR__) . '/vendor/autoload.php';

use Heidelpay\PhpPaymentApi\Push;

class WC_Heidelpay_Push
{
    /** @var Heidelpay\PhpPaymentApi\Push */
    public static $push;

    /**
     * @param $rawPayload
     * @param $secret
     * @throws \Heidelpay\PhpPaymentApi\Exceptions\XmlResponseParserException
     */
    public function init($rawPayload, $secret)
    {
        if (null === self::$push) {
            self::$push = new Push($rawPayload);
        }
        /** @var Heidelpay\PhpPaymentApi\Response $response */
        $response = self::$push->getResponse();

        try {
            $response->verifySecurityHash($secret, $response->getIdentification()->getTransactionId());
        } catch (\Exception $e) {
            $callers = debug_backtrace();
            wc_get_logger()->notice(
                print_r($callers [0] ['function'] . ': Invalid push hash from ' .
                $_SERVER ['REMOTE_ADDR'] . ', suspecting manipulation', 1),
                array('source' => 'heidelpay')
            );
            exit(); //error
        }
        $this->handlePush($response);
    }

    /**
     * @param Heidelpay\PhpPaymentApi\Response $response
     */
    public function handlePush($response)
    {
        $orderID = $response->getIdentification()->getTransactionId();
        $order = wc_get_order($orderID);
        $payCode = explode('.', strtoupper($response->getPayment()->getCode()));

        wc_get_logger()->debug('Processsing Order' . $orderID, ['source' => 'heidelpay']);
        wc_get_logger()->debug('Order has status: '. $order->get_status(), ['source' => 'heidelpay']);

        // Do not process pending transactions.
        if ($response->isPending()) {
            return;
        }

        list($transactionMethod, $transactionType) = $payCode;
        if ($transactionMethod === 'IV' && $response->isSuccess()) {
            switch ($transactionType) {
                case 'FI':
                    $order->update_status(
                        'processing',
                        'Order has been finalized'
                    );
                    break;
                case 'PA':
                    $order->update_status(
                        'on-hold',
                        'Reservation done'
                    );
                    break;
            }
        }

        $paidTransactionTypes = ['CP', 'RC', 'DB'];

        if (in_array($transactionType, $paidTransactionTypes, true)) {
            if ($response->isSuccess() && !$order->is_paid()) {
                if ($order->get_total() === $response->getPresentation()->getAmount()) {
                    $order->payment_complete($response->getIdentification()->getShortId());
                } else {
                    $order->add_order_note(
                        $this->getNote($response),
                        false
                    );
                }
            } elseif ($response->isError()) {
                if ($order->get_status() === 'pending') {
                    $order->update_status('failed');
                }
            }
        }
    }

    /**
     * @param Heidelpay\PhpPaymentApi\Response $response
     * @return string
     */
    private function getNote($response)
    {
        return sprintf(
            __('Payment of %s %s received. Heidelpay ShortID %s', 'woocommerce-heidelpay'),
            $response->getPresentation()->getAmount(),
            $response->getPresentation()->getCurrency(),
            $response->getIdentification()->getShortId()
        );
    }
}