WP Simple Pay: Copy Payment Metadata to Customer Metadata

/**

 * @link https://library.wpcode.com/snippet/e5wng05d/

 * 

 * @param \Stripe\Event $event Stripe Event.

 * @param \Stripe\Subscription|\Stripe\PaymentIntent $object Stripe Subscription or PaymentIntent

 */

function simpay_add_metadata_to_customer( $event, $object ) {

	$customer_id = $object->customer->id;

	$customer    = \SimplePay\Core\Payments\Stripe_API::request( 'Customer', 'update', $customer_id, array(

		'metadata' => $object->metadata->toArray(),

	) );

}

add_action( 'simpay_webhook_subscription_created', __NAMESPACE__ . '\\simpay_add_metadata_to_customer', 10, 2 );

add_action( 'simpay_webhook_payment_intent_succeeded', __NAMESPACE__ . '\\simpay_add_metadata_to_customer', 10, 2 );