Add ppcp_create_paypal_order_for_wc_order

api/order-functions.php

@@ -21,6 +21,7 @@ use WooCommerce\PayPalCommerce\PPCP;
 use WooCommerce\PayPalCommerce\WcGateway\Gateway\PayPalGateway;
 use WooCommerce\PayPalCommerce\WcGateway\Helper\RefundFeesUpdater;
 use WooCommerce\PayPalCommerce\WcGateway\Processor\AuthorizedPaymentsProcessor;
+use WooCommerce\PayPalCommerce\WcGateway\Processor\OrderProcessor;
 use WooCommerce\PayPalCommerce\WcGateway\Processor\RefundProcessor;
 
 /**
@@ -47,6 +48,19 @@ function ppcp_get_paypal_order( $paypal_id_or_wc_order ): Order {
 	return $order_endpoint->order( $paypal_id_or_wc_order );
 }
 
+/**
+ * Creates a PayPal order for the given WC order.
+ *
+ * @param WC_Order $wc_order The WC order.
+ * @throws Exception When the operation fails.
+ */
+function ppcp_create_paypal_order_for_wc_order( WC_Order $wc_order ): Order {
+	$order_processor = PPCP::container()->get( 'wcgateway.order-processor' );
+	assert( $order_processor instanceof OrderProcessor );
+
+	return $order_processor->create_order( $wc_order );
+}
+
 /**
  * Captures the PayPal order.
  *

tests/PHPUnit/Api/CreateOrderForWcOrderTest.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace WooCommerce\PayPalCommerce\Api;
+
+use Mockery;
+use RuntimeException;
+use WC_Order;
+use WooCommerce\PayPalCommerce\ApiClient\Entity\Order;
+use WooCommerce\PayPalCommerce\ModularTestCase;
+use WooCommerce\PayPalCommerce\WcGateway\Processor\OrderProcessor;
+
+class CreateOrderForWcOrderTest extends ModularTestCase
+{
+	private $orderProcesor;
+
+	public function setUp(): void {
+		parent::setUp();
+
+		$this->orderProcesor = Mockery::mock(OrderProcessor::class);
+
+		$this->bootstrapModule([
+			'wcgateway.order-processor' => function () {
+				return $this->orderProcesor;
+			},
+		]);
+	}
+
+	public function testSuccess(): void {
+		$wcOrder = Mockery::mock(WC_Order::class);
+		$ret = Mockery::mock(Order::class);
+		$this->orderProcesor
+			->expects('create_order')
+			->with($wcOrder)
+			->andReturn($ret)
+			->once();
+
+		self::assertEquals($ret, ppcp_create_paypal_order_for_wc_order($wcOrder));
+	}
+
+	public function testFailure(): void {
+		$wcOrder = Mockery::mock(WC_Order::class);
+		$this->orderProcesor
+			->expects('create_order')
+			->with($wcOrder)
+			->andThrow(new RuntimeException())
+			->once();
+
+		$this->expectException(RuntimeException::class);
+
+		ppcp_create_paypal_order_for_wc_order($wcOrder);
+	}
+}