wikimedia/mediawiki-extensions-DonationInterface

<?php

class ReturnUrl implements StagingHelper {

    public function stage( GatewayType $adapter, $normalized, &$staged ) {
        $specialName = str_replace( 'Adapter', 'GatewayResult', get_class( $adapter ) );
        $returnTitle = Title::newFromText( "Special:$specialName" );

        $querySringParams = [
            'order_id' => $normalized['order_id'],
            'wmf_token' => $adapter->token_getSaltedSessionToken(),
            'amount' => $normalized['amount'],
            'currency' => $normalized['currency'],
            'payment_method' => $normalized['payment_method'] ?? '',
            'payment_submethod' => $normalized['payment_submethod'] ?? '',
        ];
        if ( !empty( $normalized['utm_source'] ) ) {
            $querySringParams['utm_source'] = $normalized['utm_source'];
        }
        if ( !empty( $normalized['utm_campaign'] ) ) {
            $querySringParams['utm_campaign'] = $normalized['utm_campaign'];
        }
        if ( !empty( $normalized['utm_medium'] ) ) {
            $querySringParams['utm_medium'] = $normalized['utm_medium'];
        }
        if ( $normalized['recurring'] ) {
            $querySringParams['recurring'] = 1;
        }

        $staged['return_url'] = $returnTitle->getFullURL( $querySringParams, false, PROTO_CURRENT );
    }
}