Add process payment for bancontact gateway (WIP)

modules/ppcp-api-client/services.php

@@ -241,10 +241,11 @@ return array(
 			$bn_code
 		);
 	},
-	'api.endpoint.orders' => static function (ContainerInterface $container): Orders {
+	'api.endpoint.orders'                            => static function ( ContainerInterface $container ): Orders {
 		return new Orders(
 			$container->get( 'api.host' ),
-			$container->get( 'api.bearer' )
+			$container->get( 'api.bearer' ),
+			$container->get( 'woocommerce.logger.woocommerce' )
 		);
 	},
 	'api.endpoint.billing-agreements'                => static function ( ContainerInterface $container ): BillingAgreementsEndpoint {

modules/ppcp-api-client/src/Endpoint/Orders.php

@@ -10,6 +10,7 @@ declare(strict_types=1);
 
 namespace WooCommerce\PayPalCommerce\ApiClient\Endpoint;
 
+use Psr\Log\LoggerInterface;
 use RuntimeException;
 use WooCommerce\PayPalCommerce\ApiClient\Authentication\Bearer;
 use WP_Error;
@@ -19,6 +20,8 @@ use WP_Error;
  */
 class Orders {
 
+	use RequestTrait;
+
 	/**
 	 * The host.
 	 *
@@ -33,21 +36,39 @@ class Orders {
 	 */
 	private $bearer;
 
+	/**
+	 * The logger.
+	 *
+	 * @var LoggerInterface
+	 */
+	private $logger;
+
 	/**
 	 * Orders constructor.
 	 *
-	 * @param string $host
-	 * @param Bearer $bearer
+	 * @param string          $host The host.
+	 * @param Bearer          $bearer The bearer.
+	 * @param LoggerInterface $logger The logger.
 	 */
 	public function __construct(
 		string $host,
-		Bearer $bearer
+		Bearer $bearer,
+		LoggerInterface $logger
 	) {
 		$this->host   = $host;
 		$this->bearer = $bearer;
+		$this->logger = $logger;
 	}
 
-	public function create(array $request_body, array $headers = array()): array {
+	/**
+	 * Creates a PayPal order.
+	 *
+	 * @param array $request_body The request body.
+	 * @param array $headers The request headers.
+	 * @return array
+	 * @throws RuntimeException If something is wrong with the request.
+	 */
+	public function create( array $request_body, array $headers = array() ): array {
 		$bearer = $this->bearer->bearer();
 		$url    = trailingslashit( $this->host ) . 'v2/checkout/orders';
 
@@ -66,7 +87,7 @@ class Orders {
 			'body'    => wp_json_encode( $request_body ),
 		);
 
-		$response = wp_remote_get( $url, $args );
+		$response = $this->request( $url, $args );
 		if ( $response instanceof WP_Error ) {
 			throw new RuntimeException( $response->get_error_message() );
 		}

modules/ppcp-local-alternative-payment-methods/services.php

@@ -13,6 +13,9 @@ use WooCommerce\PayPalCommerce\Vendor\Psr\Container\ContainerInterface;
 
 return array(
 	'ppcp-local-apms.bancontact.wc-gateway' => static function ( ContainerInterface $container ): BancontactGateway {
-		return new BancontactGateway();
+		return new BancontactGateway(
+			$container->get( 'api.endpoint.orders' ),
+			$container->get( 'api.factory.purchase-unit' )
+		);
 	},
 );

modules/ppcp-local-alternative-payment-methods/src/BancontactGateway.php

@@ -10,12 +10,40 @@ declare(strict_types=1);
 namespace WooCommerce\PayPalCommerce\LocalAlternativePaymentMethods;
 
 use WC_Payment_Gateway;
+use WooCommerce\PayPalCommerce\ApiClient\Endpoint\Orders;
+use WooCommerce\PayPalCommerce\ApiClient\Factory\PurchaseUnitFactory;
 
+/**
+ * Class BancontactGateway
+ */
 class BancontactGateway extends WC_Payment_Gateway {
 
 	const ID = 'ppcp-bancontact';
 
-	public function __construct() {
+	/**
+	 * PayPal Orders endpoint.
+	 *
+	 * @var Orders
+	 */
+	private $orders_endpoint;
+
+	/**
+	 * Purchase unit factory.
+	 *
+	 * @var PurchaseUnitFactory
+	 */
+	private $purchase_unit_factory;
+
+	/**
+	 * BancontactGateway constructor.
+	 *
+	 * @param Orders              $orders_endpoint PayPal Orders endpoint.
+	 * @param PurchaseUnitFactory $purchase_unit_factory Purchase unit factory.
+	 */
+	public function __construct(
+		Orders $orders_endpoint,
+		PurchaseUnitFactory $purchase_unit_factory
+	) {
 		$this->id = self::ID;
 
 		$this->method_title       = __( 'Bancontact', 'woocommerce-paypal-payments' );
@@ -30,8 +58,14 @@ class BancontactGateway extends WC_Payment_Gateway {
 		$this->init_settings();
 
 		add_action( 'woocommerce_update_options_payment_gateways_' . $this->id, array( $this, 'process_admin_options' ) );
+
+		$this->orders_endpoint       = $orders_endpoint;
+		$this->purchase_unit_factory = $purchase_unit_factory;
 	}
 
+	/**
+	 * Initialize the form fields.
+	 */
 	public function init_form_fields() {
 		$this->form_fields = array(
 			'enabled'     => array(
@@ -59,14 +93,63 @@ class BancontactGateway extends WC_Payment_Gateway {
 		);
 	}
 
+	/**
+	 * Processes the order.
+	 *
+	 * @param int $order_id The WC order ID.
+	 * @return array
+	 */
 	public function process_payment( $order_id ) {
 		$wc_order = wc_get_order( $order_id );
+		$wc_order->update_status( 'on-hold', __( 'Awaiting Bancontact to confirm the payment.', 'woocommerce-paypal-payments' ) );
 
+		$purchase_unit = $this->purchase_unit_factory->from_wc_order( $wc_order );
+		$amount        = $purchase_unit->amount()->to_array();
 
+		$request_body = array(
+			'intent'                 => 'CAPTURE',
+			'payment_source'         => array(
+				'bancontact' => array(
+					'country_code' => 'BE',
+					'name'         => 'John Doe',
+				),
+			),
+			'processing_instruction' => 'ORDER_COMPLETE_ON_PAYMENT_APPROVAL',
+			'purchase_units'         => array(
+				array(
+					'reference_id' => $purchase_unit->reference_id(),
+					'amount'       => array(
+						'currency_code' => $amount['currency_code'],
+						'value'         => $amount['value'],
+					),
+					'custom_id'    => $purchase_unit->custom_id(),
+					'invoice_id'   => $purchase_unit->invoice_id(),
+				),
+			),
+			'application_context'    => array(
+				'locale'     => 'en-BE',
+				'return_url' => $this->get_return_url( $wc_order ),
+				'cancel_url' => $this->get_return_url( $wc_order ),
+			),
+		);
+
+		$headers = array(
+			'PayPal-Request-Id' => uniqid( 'ppcp-', true ),
+		);
+
+		$response = $this->orders_endpoint->create( $request_body, $headers );
+		$body     = json_decode( $response['body'] );
+
+		$payer_action = '';
+		foreach ( $body->links as $link ) {
+			if ( $link->rel === 'payer-action' ) {
+				$payer_action = $link->href;
+			}
+		}
 
 		return array(
 			'result'   => 'success',
-			'redirect' => $this->get_return_url( $wc_order ),
+			'redirect' => esc_url( $payer_action ),
 		);
 	}
 }