TYPO3 Shop Extension

TYPO3 Shop

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PayPal Checkout configuration

Warning: PayPal Checkout requires the Pro version of the shop extension

PayPal Account

You will need a PayPal account. Login to PayPal and open https://developer.paypal.com. Go to My Apps & Credentials in the menu and create a new app. Take note of whether you want to create a Live or a Sandbox account. After creating it, you should have the following information

  • (Sandbox) Account: This is an email address.
  • Client ID: This is a hash value that identifies the client.
  • Secret: This is also a hash value. Make sure you keep it secret!

For testing purposes you will need an extra account which you can set up under https://developer.paypal.com/developer/accounts/.

Warning:

If your environment is password protected the webhook can't be executed. Please make sure that the webhook can be accessed.

If the callback is executed successfully, a signal is dispatched and a slot can be registered.

1 A slot must be created for this:

<?php
namespace YourNameSpace\YourExtension\Slot;

use CodingMs\Shop\Domain\Model\BasketOrder;

class DoSomeThingSlot
{
    public function doSomeThingFunction(BasketOrder $basketOrder)
    {
        /* Do something */
    }
}

2 The slot must also be registered in ext_localconf.php:

$signalSlotDispatcher = TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(\TYPO3\CMS\Extbase\SignalSlot\Dispatcher::class);
$signalSlotDispatcher->connect(
    \CodingMs\Shop\Controller\BasketOrderController::class,
    'afterPayPalCallback',
    \YourNameSpace\YourExtension\Slot\DoSomeThingSlot::class,
    'doSomeThingFunction'
);

Checkout configuration

  • active Activate/deactivate checkout
  • checkoutPid Enter the page Uid of the checkout page.
  • successPid Enter the page Uid of the success page. This is the page you will be redirected to after successful payment.
  • cancelPid Enter the page Uid of the cancel page. This is the page you will be redirected to if you cancel the payment process.
  • callbackPid Enter the page Uid of the callback page. The callback page is accessed asynchronously by Paypal to confirm payment.
  • service The checkout service PHP class is assigned here. This can be modified if the process needs to be changed.
  • sandbox Activate/deactivate the sandbox.
  • payPalId Enter the (sandbox) account name created in PayPal.

Debugging

If a callback does not work, you can activate debugging. Read how this works in the How To/Debugging section.

Testing

PayPal callbacks are best tested by logging in to https://developer.paypal.com (using your real login data). Access the IPN Simulator under SANDBOX.

Enter your callback URL in the IPN handler URL then under Transaction type select Cart checkout. A large number of form fields will appear below the form. In the item_number field enter the Uid of your basket order so that the callback can find the right order.