Integrate Apple Pay as express payment method (#9)

CHANGELOG.MD

@@ -1,5 +1,12 @@
 This changelog follows the specifications of https://keepachangelog.com. Please, follow the specs when adding a new entry
 
+## [1.3.0] - 2025-01-24
+
+### Added
+
+- Apple Pay as express checkout
+
+
 ## [1.2.0] - 2024-10-23
 
 ### Added

bp-plugin-woocommerce-api2.php

@@ -3,14 +3,16 @@
  * Plugin Name: Better Payment WooCommerce Extension
  * Plugin URI: https://github.com/better-payment/bp-plugin-woocommerce-api2
  * Description: Better Payment plugin to implement payment methods using API2
- * Version: 1.2.0
+ * Version: 1.3.0
  * Author: Better Payment
  * Author URI: https://betterpayment.de
  * Text Domain: bp-plugin-woocommerce-api2
  * Domain Path: /languages
  */
 
-//defined( 'ABSPATH' ) || exit;
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
 
 use Automattic\WooCommerce\Blocks\Payments\PaymentMethodRegistry;
 use Automattic\WooCommerce\Utilities\FeaturesUtil;
@@ -44,6 +46,7 @@ public function init() {
 			add_filter( 'woocommerce_integrations', array( $this, 'add_integration' ) );
 
 			// Include payment methods
+			include_once 'includes/payment-gateways/abstract-betterpayment-gateway.php';
 			include_once 'includes/payment-gateways/credit-card.php';
 			include_once 'includes/payment-gateways/paypal.php';
 			include_once 'includes/payment-gateways/paydirekt.php';
@@ -56,14 +59,18 @@ public function init() {
 			include_once 'includes/payment-gateways/sepa-direct-debit-b2b.php';
 			include_once 'includes/payment-gateways/invoice.php';
 			include_once 'includes/payment-gateways/invoice-b2b.php';
+			include_once 'includes/payment-gateways/apple-pay.php';
+
 			// Register payment methods
 			add_filter('woocommerce_payment_gateways', array($this, 'add_betterpayment_gateways'));
 
 			// Include helpers
 			include_once 'includes/helpers/config-reader.php';
 
-			// Include webhook route endpoint
-			include_once 'includes/webhook.php';
+			// Include custom endpoints
+			include_once 'includes/api/webhook.php';
+			include_once 'includes/api/apple-pay-session.php';
+			include_once 'includes/api/betterpayment-payment-request.php';
 
 			// Load translations
 			load_plugin_textdomain( 'bp-plugin-woocommerce-api2', false, dirname( plugin_basename( __FILE__ ) ) . '/languages' );
@@ -98,6 +105,7 @@ public function add_betterpayment_gateways($methods) {
 			$methods[] = 'BetterPayment_Sepa_Direct_Debit_B2B';
 			$methods[] = 'BetterPayment_Invoice';
 			$methods[] = 'BetterPayment_Invoice_B2B';
+			$methods[] = 'BetterPayment_Apple_Pay';
 
 			return $methods;
 		}
@@ -124,6 +132,8 @@ public function betterpayment_blocks_support() {
 				include_once 'includes/blocks/payments/sepa-direct-debit.php';
 				include_once 'includes/blocks/payments/sepa-direct-debit-b2b.php';
 
+				include_once 'includes/blocks/payments/apple-pay.php';
+
 				add_action(
 					'woocommerce_blocks_payment_method_type_registration',
 					function( PaymentMethodRegistry $payment_method_registry ) {
@@ -140,6 +150,8 @@ function( PaymentMethodRegistry $payment_method_registry ) {
 						$payment_method_registry->register( new BetterPayment_Invoice_B2B_Block() );
 						$payment_method_registry->register( new BetterPayment_Sepa_Direct_Debit_Block() );
 						$payment_method_registry->register( new BetterPayment_Sepa_Direct_Debit_B2B_Block() );
+
+						$payment_method_registry->register( new BetterPayment_ApplePay_Block() );
 					}
 				);
 			}

includes/api/apple-pay-session.php

@@ -0,0 +1,35 @@
+<?php
+add_action('rest_api_init', function () {
+	register_rest_route('betterpayment', 'apple-pay-session', array(
+		'methods' => 'POST',
+		'callback' => 'fetch_apple_pay_session',
+		'permission_callback' => '__return_true', // Adjust permissions as needed
+	));
+});
+
+function fetch_apple_pay_session(): WP_REST_Response {
+	$url = Config_Reader::get_api_url() . '/db_apple_pay_merchants';
+
+	$headers = [
+		'Content-Type' => 'application/json',
+		'Authorization' => 'Basic ' . base64_encode( Config_Reader::get_api_key() . ':' . Config_Reader::get_outgoing_key())
+	];
+
+	$body = wp_json_encode([
+		'initiative_context' => parse_url(home_url(), PHP_URL_HOST),
+	]);
+
+	$response = wp_remote_post( $url, [
+		'headers' => $headers,
+		'body' => $body,
+	]);
+
+	if ( 200 === wp_remote_retrieve_response_code( $response ) ) {
+		$responseBody = json_decode( wp_remote_retrieve_body( $response ), true );
+
+		return new WP_REST_Response($responseBody, 200);
+	}
+	else {
+		return new WP_REST_Response(wp_remote_retrieve_body($response), wp_remote_retrieve_response_code($response));
+	}
+}

includes/api/betterpayment-payment-request.php

@@ -0,0 +1,29 @@
+<?php
+add_action('rest_api_init', function () {
+	register_rest_route('betterpayment', 'payment', array(
+		'methods' => 'POST',
+		'callback' => 'payment',
+		'permission_callback' => '__return_true', // Adjust permissions as needed
+	));
+});
+
+// Only used for Apple Pay
+function payment(WP_REST_Request $request): WP_REST_Response {
+	$url     = Config_Reader::get_api_url() . '/rest/payment';
+	$body    = $request->get_body_params();
+
+	// Add the payment type to the body
+	$body['payment_type'] = 'applepay';
+
+	$headers = [
+		'Content-Type'  => 'application/json',
+		'Authorization' => 'Basic ' . base64_encode( Config_Reader::get_api_key() . ':' . Config_Reader::get_outgoing_key() )
+	];
+
+	$response = wp_remote_post( $url, [
+		'headers' => $headers,
+		'body'    => wp_json_encode($body),
+	] );
+
+	return new WP_REST_Response(wp_remote_retrieve_body($response), wp_remote_retrieve_response_code($response));
+}