Handle order completion after checkout properly

Author: Zales0123

src/Controller/CompletePayPalOrderAction.php

@@ -4,7 +4,10 @@
 
 namespace Sylius\PayPalPlugin\Controller;
 
+use Doctrine\Persistence\ObjectManager;
+use SM\Factory\FactoryInterface;
 use Sylius\Component\Core\Model\PaymentInterface;
+use Sylius\Component\Core\OrderCheckoutTransitions;
 use Sylius\PayPalPlugin\Manager\PaymentStateManagerInterface;
 use Sylius\PayPalPlugin\Provider\OrderProviderInterface;
 use Symfony\Component\HttpFoundation\JsonResponse;
@@ -23,25 +26,42 @@ final class CompletePayPalOrderAction
     /** @var OrderProviderInterface */
     private $orderProvider;
 
+    /** @var FactoryInterface */
+    private $stateMachineFactory;
+
+    /** @var ObjectManager */
+    private $orderManager;
+
     public function __construct(
         PaymentStateManagerInterface $paymentStateManager,
         UrlGeneratorInterface $router,
-        OrderProviderInterface $orderProvider
+        OrderProviderInterface $orderProvider,
+        FactoryInterface $stateMachineFactory,
+        ObjectManager $orderManager
     ) {
         $this->paymentStateManager = $paymentStateManager;
         $this->router = $router;
         $this->orderProvider = $orderProvider;
+        $this->stateMachineFactory = $stateMachineFactory;
+        $this->orderManager = $orderManager;
     }
 
     public function __invoke(Request $request): Response
     {
-        $token = (string) $request->attributes->get('token');
-        $order = $this->orderProvider->provideOrderByToken($token);
+        $id = (int) $request->attributes->get('id');
+        $order = $this->orderProvider->provideOrderById($id);
+
         /** @var PaymentInterface $payment */
         $payment = $order->getLastPayment(PaymentInterface::STATE_PROCESSING);
-
         $this->paymentStateManager->complete($payment);
 
+        $stateMachine = $this->stateMachineFactory->get($order, OrderCheckoutTransitions::GRAPH);
+        $stateMachine->apply(OrderCheckoutTransitions::TRANSITION_COMPLETE);
+
+        $this->orderManager->flush();
+
+        $request->getSession()->set('sylius_order_id', $order->getId());
+
         return new JsonResponse([
             'orderID' => $payment->getDetails()['paypal_order_id'],
             'status' => $payment->getState(),

src/Resources/config/services/controller.xml

@@ -29,8 +29,8 @@
             <argument type="service" id="Sylius\PayPalPlugin\Manager\PaymentStateManagerInterface" />
             <argument type="service" id="router" />
             <argument type="service" id="Sylius\PayPalPlugin\Provider\OrderProviderInterface" />
-            <argument type="service" id="Sylius\PayPalPlugin\Api\AuthorizeClientApiInterface" />
-            <argument type="service" id="Sylius\PayPalPlugin\Api\CompleteOrderApiInterface" />
+            <argument type="service" id="sm.factory" />
+            <argument type="service" id="sylius.manager.order" />
         </service>
 
         <service id="Sylius\PayPalPlugin\Controller\CreatePayPalOrderFromPaymentPageAction" public="true">

src/Resources/config/shop_routing.yaml

@@ -11,7 +11,7 @@ sylius_paypal_plugin_create_paypal_order_from_cart:
         _controller: Sylius\PayPalPlugin\Controller\CreatePayPalOrderFromCartAction
 
 sylius_paypal_plugin_complete_paypal_order:
-    path: /complete-pay-pal-order/{token}
+    path: /complete-pay-pal-order/{id}
     methods: [POST]
     defaults:
         _controller: Sylius\PayPalPlugin\Controller\CompletePayPalOrderAction

src/Resources/views/payWithPaypal.html.twig

@@ -182,7 +182,7 @@
 <script src="https://www.paypal.com/sdk/js?components=hosted-fields,buttons,funding-eligibility&locale={{ locale }}&currency={{ currency }}&vault=false&client-id={{ client_id }}&merchant-id={{ merchant_id }}&intent=capture" data-partner-attribution-id="{{ partner_attribution_id }}" data-enable-3ds data-client-token="{{ client_token }}"></script>
 <script>
     let createPayPalOrderUrl = "{{ path('sylius_paypal_plugin_create_paypal_order_from_payment_page', { 'id': order_id }) }}";
-    let completePayPalOrderUrl = "{{ path('sylius_paypal_plugin_complete_paypal_order_from_payment_page', { 'id': order_id }) }}"
+    let completePayPalOrderUrl = "{{ path('sylius_paypal_plugin_complete_paypal_order', { 'id': order_id }) }}"
     let errorPayPalPaymentUrl = "{{ path('sylius_paypal_plugin_payment_error') }}";
     let availableCountries = {{ available_countries|json_encode|raw }};
     let cancelPayPalPaymentUrl = "{{ path('sylius_paypal_plugin_cancel_payment') }}";