Add filters woocommerce_paypal_payments_cart_line_item_name and woocommerce_paypal_payments_order_line_item_name.

modules/ppcp-api-client/src/ApiModule.php

@@ -40,6 +40,21 @@ class ApiModule implements ModuleInterface {
 				WC()->session->set( 'ppcp_fees', $fees );
 			}
 		);
+
+		add_filter(
+			'ppcp_create_order_request_body_data',
+			function( array $data ) use ( $c ) {
+
+				foreach ( $data['purchase_units'] as $purchase_unit_index => $purchase_unit ) {
+					foreach ( $purchase_unit['items'] as $item_index => $item ) {
+						$data['purchase_units'][ $purchase_unit_index ]['items'][ $item_index ]['name'] =
+							apply_filters( 'woocommerce_paypal_payments_cart_line_item_name', $item['name'], $item['cart_item_key'] );
+					}
+				}
+
+				return $data;
+			}
+		);
 	}
 
 	/**

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

@@ -202,6 +202,11 @@ class WebhookEndpoint {
 		$status_code = (int) wp_remote_retrieve_response_code( $response );
 		if ( 204 !== $status_code ) {
 			$json = null;
+			/**
+			 * Use in array as consistency check.
+			 *
+			 * @psalm-suppress RedundantConditionGivenDocblockType
+			 */
 			if ( is_array( $response ) ) {
 				$json = json_decode( $response['body'] );
 			}

modules/ppcp-wc-gateway/src/Processor/OrderProcessor.php

@@ -116,6 +116,13 @@ class OrderProcessor {
 	 */
 	private $order_helper;
 
+	/**
+	 * Array to store temporary order data changes to restore after processing.
+	 *
+	 * @var array
+	 */
+	private $restore_order_data = array();
+
 	/**
 	 * OrderProcessor constructor.
 	 *
@@ -292,8 +299,12 @@ class OrderProcessor {
 	 * @return Order
 	 */
 	public function patch_order( \WC_Order $wc_order, Order $order ): Order {
+		$this->apply_outbound_order_filters( $wc_order );
 		$updated_order = $this->order_factory->from_wc_order( $wc_order, $order );
-		$order         = $this->order_endpoint->patch_order_with( $order, $updated_order );
+		$this->restore_order_from_filters( $wc_order );
+
+		$order = $this->order_endpoint->patch_order_with( $order, $updated_order );
+
 		return $order;
 	}
 
@@ -323,4 +334,48 @@ class OrderProcessor {
 			true
 		);
 	}
+
+	/**
+	 * Applies filters to the WC_Order, so they are reflected only on PayPal Order.
+	 *
+	 * @param WC_Order $wc_order The WoocOmmerce Order.
+	 * @return void
+	 */
+	private function apply_outbound_order_filters( WC_Order $wc_order ): void {
+		$items = $wc_order->get_items();
+
+		$this->restore_order_data['names'] = array();
+
+		foreach ( $items as $item ) {
+			if ( ! $item instanceof \WC_Order_Item ) {
+				continue;
+			}
+
+			$original_name = $item->get_name();
+			$new_name      = apply_filters( 'woocommerce_paypal_payments_order_line_item_name', $original_name, $item->get_id(), $wc_order->get_id() );
+
+			if ( $new_name !== $original_name ) {
+				$this->restore_order_data['names'][ $item->get_id() ] = $original_name;
+				$item->set_name( $new_name );
+			}
+		}
+	}
+
+	/**
+	 * Restores the WC_Order to it's state before filters.
+	 *
+	 * @param WC_Order $wc_order The WooCommerce Order.
+	 * @return void
+	 */
+	private function restore_order_from_filters( WC_Order $wc_order ): void {
+		if ( is_array( $this->restore_order_data['names'] ) ) {
+			foreach ( $this->restore_order_data['names'] as $wc_item_id => $original_name ) {
+				$wc_item = $wc_order->get_item( $wc_item_id, false );
+
+				if ( $wc_item ) {
+					$wc_item->set_name( $original_name );
+				}
+			}
+		}
+	}
 }

modules/ppcp-webhooks/src/Handler/PaymentCaptureRefunded.php

@@ -101,6 +101,11 @@ class PaymentCaptureRefunded implements RequestHandler {
 			)
 		);
 		if ( is_wp_error( $refund ) ) {
+			/**
+			 * Helps to asset type.
+			 *
+			 * @psalm-suppress RedundantCondition
+			 */
 			assert( $refund instanceof WP_Error );
 			$message = sprintf(
 				'Order %1$s could not be refunded. %2$s',

tests/PHPUnit/WcGateway/Processor/OrderProcessorTest.php

@@ -57,6 +57,7 @@ class OrderProcessorTest extends TestCase
             ->andReturn($payments);
 
         $wcOrder = Mockery::mock(\WC_Order::class);
+		$wcOrder->expects('get_items')->andReturn([]);
         $wcOrder->expects('update_meta_data')
             ->with(PayPalGateway::ORDER_PAYMENT_MODE_META_KEY, 'live');
         $wcOrder->shouldReceive('get_id')->andReturn(1);
@@ -193,7 +194,8 @@ class OrderProcessorTest extends TestCase
             ->andReturn($payments);
 
         $wcOrder = Mockery::mock(\WC_Order::class);
-        $orderStatus = Mockery::mock(OrderStatus::class);
+		$wcOrder->expects('get_items')->andReturn([]);
+		$orderStatus = Mockery::mock(OrderStatus::class);
         $orderStatus
             ->shouldReceive('is')
             ->with(OrderStatus::APPROVED)