first upload all files

Modules/Payment/Gateways/COD.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Modules\Payment\Gateways;
+
+use Illuminate\Http\Request;
+use Modules\Order\Entities\Order;
+use Modules\Payment\GatewayInterface;
+use Modules\Payment\Responses\NullResponse;
+
+class COD implements GatewayInterface
+{
+    public $label;
+    public $description;
+
+    public function __construct()
+    {
+        $this->label = setting('cod_label');
+        $this->description = setting('cod_description');
+    }
+
+    public function purchase(Order $order, Request $request)
+    {
+        return new NullResponse($order);
+    }
+
+    public function complete(Order $order)
+    {
+        return new NullResponse($order);
+    }
+}