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Edit File: WCPaymentGatewayPreInstallWCPayPromotion.php

<?php
/**
 * Class WCPaymentGatewayPreInstallWCPayPromotion
 *
 * @package WooCommerce\Admin
 */

namespace Automattic\WooCommerce\Internal\Admin\WCPayPromotion;

use Automattic\WooCommerce\Enums\PaymentGatewayFeature;

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * A pseudo WCPay gateway class.
 *
 * @extends \WC_Payment_Gateway
 */
class WCPaymentGatewayPreInstallWCPayPromotion extends \WC_Payment_Gateway {

const GATEWAY_ID = 'pre_install_woocommerce_payments_promotion';

/**
	 * Constructor
	 */
	public function __construct() {
		$wc_pay_spec = Init::get_wc_pay_promotion_spec();
		if ( ! $wc_pay_spec ) {
			return;
		}
		$this->id           = static::GATEWAY_ID;
		$this->method_title = $wc_pay_spec->title;
		if ( property_exists( $wc_pay_spec, 'sub_title' ) ) {
			$this->title = sprintf( '<span class="gateway-subtitle" >%s</span>', $wc_pay_spec->sub_title );
		}
		$this->method_description = $wc_pay_spec->content;
		$this->has_fields         = false;

// Set the promotion pseudo-gateway support features.
		// If the promotion spec provides the supports property, use it.
		if ( property_exists( $wc_pay_spec, 'supports' ) ) {
			$this->supports = $wc_pay_spec->supports;
		} else {
			// Otherwise, use the default supported features in line with WooPayments ones.
			// We include all features here, even if some of them are behind settings, since this is for info only.
			$this->supports = array(
				// Regular features.
				PaymentGatewayFeature::PRODUCTS,
				PaymentGatewayFeature::REFUNDS,
				// Subscriptions features.
				PaymentGatewayFeature::SUBSCRIPTIONS,
				PaymentGatewayFeature::MULTIPLE_SUBSCRIPTIONS,
				PaymentGatewayFeature::SUBSCRIPTION_CANCELLATION,
				PaymentGatewayFeature::SUBSCRIPTION_REACTIVATION,
				PaymentGatewayFeature::SUBSCRIPTION_SUSPENSION,
				PaymentGatewayFeature::SUBSCRIPTION_AMOUNT_CHANGES,
				PaymentGatewayFeature::SUBSCRIPTION_DATE_CHANGES,
				PaymentGatewayFeature::SUBSCRIPTION_PAYMENT_METHOD_CHANGE_ADMIN,
				PaymentGatewayFeature::SUBSCRIPTION_PAYMENT_METHOD_CHANGE_CUSTOMER,
				PaymentGatewayFeature::SUBSCRIPTION_PAYMENT_METHOD_CHANGE,
				// Saved cards features.
				PaymentGatewayFeature::TOKENIZATION,
				PaymentGatewayFeature::ADD_PAYMENT_METHOD,
			);
		}

// Get setting values.
		$this->enabled = false;

// Load the settings.
		$this->init_form_fields();
		$this->init_settings();
	}

/**
	 * Initialise Gateway Settings Form Fields.
	 */
	public function init_form_fields() {
		$this->form_fields = array(
			'is_dismissed' => array(
				'title'   => __( 'Dismiss', 'woocommerce' ),
				'type'    => 'checkbox',
				'label'   => __( 'Dismiss the gateway', 'woocommerce' ),
				'default' => 'no',
			),
		);
	}

/**
	 * Check if the promotional gateway has been dismissed.
	 *
	 * @return bool
	 */
	public static function is_dismissed() {
		$settings = get_option( 'woocommerce_' . self::GATEWAY_ID . '_settings', array() );
		return isset( $settings['is_dismissed'] ) && 'yes' === $settings['is_dismissed'];
	}
}

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