Refactoring Done

packages/Webkul/Admin/src/Listeners/Order.php

@@ -4,7 +4,6 @@ namespace Webkul\Admin\Listeners;
 
 use Webkul\Admin\Traits\Mails;
 use Webkul\Paypal\Payment\SmartButton;
-use PayPalCheckoutSdk\Orders\OrdersGetRequest;
 
 class Order
 {
@@ -15,33 +14,23 @@ class Order
         $order = $refund->order;
 
         if ($order->payment->method === 'paypal_smart_button') {
+            /* getting smart button instance */
+            $smartButton = new SmartButton;
 
-            try {
-                $paypalOrderID = $order->payment->additional['orderID'];
+            /* getting paypal oder id */
+            $paypalOrderID = $order->payment->additional['orderID'];
 
-                $smartButton = new SmartButton();
-                $client = $smartButton->client();
-
-                /* get order */
-                $paypalOrderDetails = $client->execute(new OrdersGetRequest($paypalOrderID));
-                $captureID = $paypalOrderDetails->result->purchase_units[0]->payments->captures[0]->id;
-
-                /* refunding order */
-                $smartButton->refundOrder($captureID, [
-                    'amount' =>
-                      [
-                        'value' => $refund->grand_total,
-                        'currency_code' => $refund->order_currency_code
-                      ]
-                ]);
-            } catch (\Exception $e) {
-                /* reporting error */
-                report($e);
-
-                /* now aborting whole process */
-                abort(500);
-            }
+            /* getting capture id by paypal order id */
+            $captureID = $smartButton->getCaptureId($paypalOrderID);
 
+            /* now refunding order on the basis of capture id and refund data */
+            $smartButton->refundOrder($captureID, [
+                'amount' =>
+                  [
+                    'value' => $refund->grand_total,
+                    'currency_code' => $refund->order_currency_code
+                  ]
+            ]);
         }
     }
 }

packages/Webkul/Paypal/src/Http/Controllers/SmartButtonController.php

@@ -6,27 +6,25 @@ use Webkul\Checkout\Facades\Cart;
 use Webkul\Paypal\Payment\SmartButton;
 use Webkul\Sales\Repositories\OrderRepository;
 use Webkul\Sales\Repositories\InvoiceRepository;
-use PayPalCheckoutSdk\Orders\OrdersCreateRequest;
-use PayPalCheckoutSdk\Orders\OrdersCaptureRequest;
 
 class SmartButtonController extends Controller
 {
     /**
-     * SmartButton object
+     * SmartButton $smartButton
      *
      * @var \Webkul\Paypal\Payment\SmartButton
      */
-    protected $smartButtonClient;
+    protected $smartButton;
 
     /**
-     * OrderRepository object
+     * OrderRepository $orderRepository
      *
      * @var \Webkul\Sales\Repositories\OrderRepository
      */
     protected $orderRepository;
 
     /**
-     * InvoiceRepository object
+     * InvoiceRepository $invoiceRepository
      *
      * @var \Webkul\Sales\Repositories\InvoiceRepository
      */
@@ -35,21 +33,22 @@ class SmartButtonController extends Controller
     /**
      * Create a new controller instance.
      *
+     * @param  \Webkul\Paypal\Payment\SmartButton  $smartButton
      * @param  \Webkul\Attribute\Repositories\OrderRepository  $orderRepository
      * @param  \Webkul\Sales\Repositories\InvoiceRepository  $invoiceRepository
      * @return void
      */
     public function __construct(
-        SmartButton $smartButtonClient,
+        SmartButton $smartButton,
         OrderRepository $orderRepository,
         InvoiceRepository $invoiceRepository
     )
     {
+        $this->smartButton = $smartButton;
+
         $this->orderRepository = $orderRepository;
 
         $this->invoiceRepository = $invoiceRepository;
-
-        $this->smartButtonClient = $smartButtonClient->client();
     }
 
     /**
@@ -57,24 +56,19 @@ class SmartButtonController extends Controller
      *
      * @return \Illuminate\Http\JsonResponse
      */
-    public function createOrder(OrdersCreateRequest $request)
+    public function createOrder()
     {
-        $request->prefer('return=representation');
-        $request->body = $this->buildRequestBody();
-        $response = $this->smartButtonClient->execute($request);
-        return response()->json($response);
+        return response()->json($this->smartButton->createOrder($this->buildRequestBody()));
     }
 
     /**
-     * Capturing order.
+     * Capturing paypal order after approval.
      *
      * @return \Illuminate\Http\Response
      */
     public function captureOrder()
     {
-        $request = new OrdersCaptureRequest(request()->input('orderData.orderID'));
-        $request->prefer('return=representation');
-        $this->smartButtonClient->execute($request);
+        $this->smartButton->captureOrder(request()->input('orderData.orderID'));
         return $this->saveOrder();
     }
 

packages/Webkul/Paypal/src/Payment/SmartButton.php

@@ -4,7 +4,10 @@ namespace Webkul\Paypal\Payment;
 
 use PayPalCheckoutSdk\Core\PayPalHttpClient;
 use PayPalCheckoutSdk\Core\SandboxEnvironment;
+use PayPalCheckoutSdk\Orders\OrdersGetRequest;
 use PayPalCheckoutSdk\Core\ProductionEnvironment;
+use PayPalCheckoutSdk\Orders\OrdersCreateRequest;
+use PayPalCheckoutSdk\Orders\OrdersCaptureRequest;
 use PayPalCheckoutSdk\Payments\CapturesRefundRequest;
 
 class SmartButton extends Paypal
@@ -38,6 +41,81 @@ class SmartButton extends Paypal
         $this->initialize();
     }
 
+    /**
+     * Returns PayPal HTTP client instance with environment that has access
+     * credentials context. Use this instance to invoke PayPal APIs, provided the
+     * credentials have access.
+     *
+     * @return PayPalCheckoutSdk\Core\PayPalHttpClient
+     */
+    public function client()
+    {
+        return new PayPalHttpClient($this->environment());
+    }
+
+
+    /**
+     * Create order for approval of client.
+     *
+     * @param  array  $body
+     * @return HttpResponse
+     */
+    public function createOrder($body)
+    {
+        $request = new OrdersCreateRequest;
+        $request->prefer('return=representation');
+        $request->body = $body;
+        return $this->client()->execute($request);
+    }
+
+    /**
+     * Capture order after approval.
+     *
+     * @param  string  $orderId
+     * @return HttpResponse
+     */
+    public function captureOrder($orderId)
+    {
+        $request = new OrdersCaptureRequest($orderId);
+        $request->prefer('return=representation');
+        $this->client()->execute($request);
+    }
+
+    /**
+     * Get order details.
+     *
+     * @param  string  $orderId
+     * @return HttpResponse
+     */
+    public function getOrder($orderId)
+    {
+        return $this->client()->execute(new OrdersGetRequest($orderId));
+    }
+
+    /**
+     * Get capture id.
+     *
+     * @param  string  $orderId
+     * @return string
+     */
+    public function getCaptureId($orderId)
+    {
+        $paypalOrderDetails = $this->getOrder($orderId);
+        return $paypalOrderDetails->result->purchase_units[0]->payments->captures[0]->id;
+    }
+
+    /**
+     * Refund order.
+     *
+     * @return HttpResponse
+     */
+    public function refundOrder($captureId, $body = [])
+    {
+        $request = new CapturesRefundRequest($captureId);
+        $request->body = $body;
+        return $this->client()->execute($request);
+    }
+
     /**
      * Return paypal redirect url
      *
@@ -47,32 +125,11 @@ class SmartButton extends Paypal
     {
     }
 
-    /**
-     * Returns PayPal HTTP client instance with environment that has access
-     * credentials context. Use this instance to invoke PayPal APIs, provided the
-     * credentials have access.
-     */
-    public function client()
-    {
-        return new PayPalHttpClient($this->environment());
-    }
-
-    /**
-     * Refund order.
-     */
-    public function refundOrder($captureId, $body = [])
-    {
-        /* generating request */
-        $request = new CapturesRefundRequest($captureId);
-        $request->body = $body;
-
-        /* requesting refund */
-        return $this->client()->execute($request);
-    }
-
     /**
      * Set up and return PayPal PHP SDK environment with PayPal access credentials.
      * This sample uses SandboxEnvironment. In production, use LiveEnvironment.
+     *
+     * @return PayPalCheckoutSdk\Core\SandboxEnvironment|PayPalCheckoutSdk\Core\ProductionEnvironment
      */
     protected function environment()
     {
@@ -87,6 +144,8 @@ class SmartButton extends Paypal
 
     /**
      * Initialize properties.
+     *
+     * @return void
      */
     protected function initialize()
     {