lib/custom/src/MShop/Service/Provider/Payment/Datatrans.php
public function repay( \Aimeos\MShop\Order\Item\Iface $order )
	{
		$base = $this->getOrderBase( $order->getBaseId() );

		if( ( $cfg = $this->getCustomerData( $base->getCustomerId(), 'repay' ) ) === null )
		{
			$msg = sprintf( 'No reoccurring payment data available for customer ID "%1$s"', $base->getCustomerId() );
			throw new \Aimeos\MShop\Service\Exception( $msg );
		}

		if( !isset( $cfg['token'] ) )
		{
			$msg = sprintf( 'No payment token available for customer ID "%1$s"', $base->getCustomerId() );
			throw new \Aimeos\MShop\Service\Exception( $msg );
		}

		$data = array(
			'transactionId' => $order->getId(),
			'currency' => $base->getPrice()->getCurrencyId(),
			'amount' => $this->getAmount( $base->getPrice() ),
			'cardReference' => $cfg['token'],
			'paymentPage' => false,
		);

		if( isset( $cfg['month'] ) && isset( $cfg['year'] ) )
		{
			$data['card'] = new \Omnipay\Common\CreditCard( [
				'expiryMonth' => $cfg['month'],
				'expiryYear' => $cfg['year'],
			] );
		}

		$response = $this->getXmlProvider()->purchase( $data )->send();

		if( $response->isSuccessful() )
		{
			$this->saveTransationRef( $base, $response->getTransactionReference() );
			$order->setPaymentStatus( \Aimeos\MShop\Order\Item\Base::PAY_RECEIVED );
			$this->saveOrder( $order );
		}
		else
		{
			$msg = ( method_exists( $response, 'getMessage' ) ? $response->getMessage() : '' );
			throw new \Aimeos\MShop\Service\Exception( sprintf( 'Token based payment failed: %1$s', $msg ) );
		}
	}
public function repay( \Aimeos\MShop\Order\Item\Iface $order )
	{
		$base = $this->getOrderBase( $order->getBaseId() );

		if( ( $cfg = $this->getCustomerData( $base->getCustomerId(), 'repay' ) ) === null )
		{
			$msg = sprintf( 'No reoccurring payment data available for customer ID "%1$s"', $base->getCustomerId() );
			throw new \Aimeos\MShop\Service\Exception( $msg );
		}

		if( !isset( $cfg['token'] ) )
		{
			$msg = sprintf( 'No payment token available for customer ID "%1$s"', $base->getCustomerId() );
			throw new \Aimeos\MShop\Service\Exception( $msg );
		}

		$data = array(
			'transactionId' => $order->getId(),
			'currency' => $base->getPrice()->getCurrencyId(),
			'amount' => $this->getAmount( $base->getPrice() ),
			'cardReference' => $cfg['token'],
			'paymentPage' => false,
		);

		if( isset( $cfg['month'] ) && isset( $cfg['year'] ) )
		{
			$data['card'] = new \Omnipay\Common\CreditCard( [
				'expiryMonth' => $cfg['month'],
				'expiryYear' => $cfg['year'],
			] );
		}

		$response = $this->getXmlProvider()->purchase( $data )->send();

		if( $response->isSuccessful() )
		{
			$this->saveTransationRef( $base, $response->getTransactionReference() );
			$order->setPaymentStatus( \Aimeos\MShop\Order\Item\Base::PAY_RECEIVED );
			$this->saveOrder( $order );
		}
		else
		{
			$msg = ( method_exists( $response, 'getMessage' ) ? $response->getMessage() : '' );
			throw new \Aimeos\MShop\Service\Exception( sprintf( 'Token based payment failed: %1$s', $msg ) );
		}
	}
Executes the payment again for the given order if supported.
This requires support of the payment gateway and token based payment

@param \Aimeos\MShop\Order\Item\Iface $order Order invoice object
@return void