Move saved card payment logic into vaulting (WIP)

modules/ppcp-vaulting/services.php

@@ -57,4 +57,17 @@ return array(
 			$container->get( 'woocommerce.logger.woocommerce' )
 		);
 	},
+	'vaulting.credit-card-handler' => function(ContainerInterface $container): VaultedCreditCardHandler {
+		return new VaultedCreditCardHandler(
+			$container->get('subscription.helper'),
+			$container->get('vaulting.repository.payment-token'),
+			$container->get( 'api.factory.purchase-unit' ),
+			$container->get( 'api.factory.payer' ),
+			$container->get( 'api.factory.shipping-preference' ),
+			$container->get( 'api.endpoint.order' ),
+			$container->get( 'onboarding.environment' ),
+			$container->get( 'wcgateway.processor.authorized-payments' ),
+			$container->get( 'wcgateway.settings' )
+		);
+	},
 );

modules/ppcp-vaulting/src/VaultedCreditCardHandler.php

@@ -0,0 +1,202 @@
+<?php
+/**
+ * Handles payment through saved credit card.
+ *
+ * @package WooCommerce\PayPalCommerce\Vaulting
+ */
+
+declare(strict_types=1);
+
+namespace WooCommerce\PayPalCommerce\Vaulting;
+
+use Psr\Container\ContainerInterface;
+use WC_Customer;
+use WC_Order;
+use WooCommerce\PayPalCommerce\ApiClient\Endpoint\OrderEndpoint;
+use WooCommerce\PayPalCommerce\ApiClient\Entity\OrderStatus;
+use WooCommerce\PayPalCommerce\ApiClient\Exception\RuntimeException;
+use WooCommerce\PayPalCommerce\ApiClient\Factory\PayerFactory;
+use WooCommerce\PayPalCommerce\ApiClient\Factory\PurchaseUnitFactory;
+use WooCommerce\PayPalCommerce\ApiClient\Factory\ShippingPreferenceFactory;
+use WooCommerce\PayPalCommerce\Onboarding\Environment;
+use WooCommerce\PayPalCommerce\Subscription\FreeTrialHandlerTrait;
+use WooCommerce\PayPalCommerce\Subscription\Helper\SubscriptionHelper;
+use WooCommerce\PayPalCommerce\WcGateway\Processor\AuthorizedPaymentsProcessor;
+use WooCommerce\PayPalCommerce\WcGateway\Processor\OrderMetaTrait;
+use WooCommerce\PayPalCommerce\WcGateway\Processor\PaymentsStatusHandlingTrait;
+use WooCommerce\PayPalCommerce\WcGateway\Processor\TransactionIdHandlingTrait;
+
+class VaultedCreditCardHandler
+{
+	use OrderMetaTrait, TransactionIdHandlingTrait, PaymentsStatusHandlingTrait, FreeTrialHandlerTrait;
+
+	/**
+	 * The subscription helper.
+	 *
+	 * @var SubscriptionHelper
+	 */
+	protected $subscription_helper;
+
+	/**
+	 * The payment token repository.
+	 *
+	 * @var PaymentTokenRepository
+	 */
+	private $payment_token_repository;
+
+	/**
+	 * The purchase unit factory.
+	 *
+	 * @var PurchaseUnitFactory
+	 */
+	private $purchase_unit_factory;
+
+	/**
+	 * The payer factory.
+	 *
+	 * @var PayerFactory
+	 */
+	private $payer_factory;
+
+	/**
+	 * The shipping_preference factory.
+	 *
+	 * @var ShippingPreferenceFactory
+	 */
+	private $shipping_preference_factory;
+
+	/**
+	 * The order endpoint.
+	 *
+	 * @var OrderEndpoint
+	 */
+	private $order_endpoint;
+
+	/**
+	 * The environment.
+	 *
+	 * @var Environment
+	 */
+	protected $environment;
+
+	/**
+	 * The processor for authorized payments.
+	 *
+	 * @var AuthorizedPaymentsProcessor
+	 */
+	protected $authorized_payments_processor;
+
+	/**
+	 * The settings.
+	 *
+	 * @var ContainerInterface
+	 */
+	protected $config;
+
+	public function __construct(
+		SubscriptionHelper $subscription_helper,
+		PaymentTokenRepository $payment_token_repository,
+		PurchaseUnitFactory $purchase_unit_factory,
+		PayerFactory $payer_factory,
+		ShippingPreferenceFactory $shipping_preference_factory,
+		OrderEndpoint $order_endpoint,
+		Environment $environment,
+		AuthorizedPaymentsProcessor $authorized_payments_processor,
+		ContainerInterface $config
+	)
+	{
+		$this->subscription_helper = $subscription_helper;
+		$this->payment_token_repository = $payment_token_repository;
+		$this->purchase_unit_factory = $purchase_unit_factory;
+		$this->payer_factory = $payer_factory;
+		$this->shipping_preference_factory = $shipping_preference_factory;
+		$this->order_endpoint = $order_endpoint;
+		$this->environment = $environment;
+		$this->authorized_payments_processor = $authorized_payments_processor;
+		$this->config = $config;
+	}
+
+	public function handle_payment(
+		string $saved_credit_card,
+		WC_Order $wc_order
+	): WC_Order {
+
+		$change_payment    = filter_input( INPUT_POST, 'woocommerce_change_payment', FILTER_SANITIZE_STRING );
+		if($change_payment) {
+			if ( $this->subscription_helper->has_subscription( $wc_order->get_id() ) && $this->subscription_helper->is_subscription_change_payment() ) {
+				if ( $saved_credit_card ) {
+					update_post_meta( $wc_order->get_id(), 'payment_token_id', $saved_credit_card );
+
+					return $wc_order;
+				}
+			}
+		}
+
+		$user_id  = (int) $wc_order->get_customer_id();
+		$customer = new WC_Customer( $user_id );
+		$tokens   = $this->payment_token_repository->all_for_user_id( (int) $customer->get_id() );
+		$selected_token = null;
+		foreach ( $tokens as $token ) {
+			if ( $token->id() === $saved_credit_card ) {
+				$selected_token = $token;
+				break;
+			}
+		}
+		if ( ! $selected_token ) {
+			throw new RuntimeException('Saved card token not found.');
+		}
+
+		$purchase_unit = $this->purchase_unit_factory->from_wc_order( $wc_order );
+		$payer         = $this->payer_factory->from_customer( $customer );
+		$shipping_preference = $this->shipping_preference_factory->from_state(
+			$purchase_unit,
+			''
+		);
+
+		try {
+			$order = $this->order_endpoint->create(
+				array( $purchase_unit ),
+				$shipping_preference,
+				$payer,
+				$selected_token
+			);
+
+			$this->add_paypal_meta( $wc_order, $order, $this->environment );
+
+			if ( ! $order->status()->is( OrderStatus::COMPLETED ) ) {
+				throw new RuntimeException("Unexpected status for order {$order->id()} using a saved card: {$order->status()->name()}.");
+			}
+
+			if ( ! in_array(
+				$order->intent(),
+				array( 'CAPTURE', 'AUTHORIZE' ),
+				true
+			) ) {
+				throw new RuntimeException("Could neither capture nor authorize order {$order->id()} using a saved card. Status: {$order->status()->name()}. Intent: {$order->intent()}.");
+			}
+
+			if ( $order->intent() === 'AUTHORIZE' ) {
+				$order = $this->order_endpoint->authorize( $order );
+				$wc_order->update_meta_data( AuthorizedPaymentsProcessor::CAPTURED_META_KEY, 'false' );
+			}
+
+			$transaction_id = $this->get_paypal_order_transaction_id( $order );
+			if ( $transaction_id ) {
+				$this->update_transaction_id( $transaction_id, $wc_order );
+			}
+
+			$this->handle_new_order_status( $order, $wc_order );
+
+			if ( $this->is_free_trial_order( $wc_order ) ) {
+				$this->authorized_payments_processor->void_authorizations( $order );
+				$wc_order->payment_complete();
+			} elseif ( $this->config->has( 'intent' ) && strtoupper( (string) $this->config->get( 'intent' ) ) === 'CAPTURE' ) {
+				$this->authorized_payments_processor->capture_authorized_payment( $wc_order );
+			}
+
+			return $wc_order;
+		} catch ( RuntimeException $error ) {
+			throw new RuntimeException($error->getMessage());
+		}
+	}
+}