first upload all files

Modules/Payment/Responses/PayPalResponse.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace Modules\Payment\Responses;
+
+use PayPalHttp\HttpResponse;
+use Modules\Order\Entities\Order;
+use Modules\Payment\GatewayResponse;
+use Modules\Payment\HasTransactionReference;
+
+class PayPalResponse extends GatewayResponse implements HasTransactionReference
+{
+    private $order;
+    private $httpResponse;
+
+    public function __construct(Order $order, HttpResponse $httpResponse)
+    {
+        $this->order = $order;
+        $this->httpResponse = $httpResponse;
+    }
+
+    public function getOrderId()
+    {
+        return $this->order->id;
+    }
+
+    public function getTransactionReference()
+    {
+        return $this->httpResponse->result->purchase_units[0]->payments->captures[0]->id;
+    }
+
+    public function toArray()
+    {
+        return parent::toArray() + ['resourceId' => $this->httpResponse->result->id];
+    }
+}