first upload all files

Modules/Checkout/Http/Controllers/CheckoutCompleteController.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace Modules\Checkout\Http\Controllers;
+
+use Exception;
+use Modules\Order\Entities\Order;
+use Modules\Payment\Facades\Gateway;
+use Modules\Checkout\Events\OrderPlaced;
+use Modules\Checkout\Services\OrderService;
+
+class CheckoutCompleteController
+{
+    /**
+     * Store a newly created resource in storage.
+     *
+     * @param int $orderId
+     * @param \Modules\Checkout\Services\OrderService $orderService
+     * @return \Illuminate\Http\Response
+     */
+    public function store($orderId, OrderService $orderService)
+    {
+        $order = Order::findOrFail($orderId);
+
+        $gateway = Gateway::get(request('paymentMethod'));
+
+        try {
+            $response = $gateway->complete($order);
+        } catch (Exception $e) {
+            $orderService->delete($order);
+
+            return response()->json([
+                'message' => $e->getMessage(),
+            ], 403);
+        }
+
+        $order->storeTransaction($response);
+
+        event(new OrderPlaced($order));
+
+        if (! request()->ajax()) {
+            return redirect()->route('checkout.complete.show');
+        }
+    }
+
+    /**
+     * Display the specified resource.
+     *
+     * @param int $id
+     * @return \Illuminate\Http\Response
+     */
+    public function show()
+    {
+        $order = session('placed_order');
+
+        if (is_null($order)) {
+            return redirect()->route('home');
+        }
+
+        return view('public.checkout.complete.show', compact('order'));
+    }
+}