Update MemberPress transaction number with Pronamic Pay transaction ID

update-memberpress-transaction-with-pronamic-pay-transaction-id.php

<?php

/**
 * Update MemberPress transaction number.
 *
 * @param \Pronamic\WordPress\Pay\Payments\Payment $payment Payment.
 * @retun void
 */
function update_mepr_transaction_number( $payment ) {
	// Check payment source.
	if ( 'memberpress' !== $payment->get_source() ) {
		return;
	}

	// Check transaction ID.
	$transaction_id = $payment->get_transaction_id();

	if ( empty( $transaction_id ) ) {
		return;
	}

	$mp_transaction = new \MeprTransaction( $payment->get_source_id() );

	// Check if update is required.
	if ( $mp_transaction->trans_num === $transaction_id ) {
		return;
	}

	$mp_transaction->trans_num = $transaction_id;

	$mp_transaction->store();
}

\add_action( 'pronamic_pay_update_payment', 'update_mepr_transaction_number' );