Fixed Offline Payment method for Customer

modules/OfflinePayment/Http/Requests/Show.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Modules\OfflinePayment\Http\Requests;
+
+use App\Http\Requests\Request;
+
+class Show extends Request
+{
+    /**
+     * Determine if the user is authorized to make this request.
+     *
+     * @return bool
+     */
+    public function authorize()
+    {
+        return true;
+    }
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array
+     */
+    public function rules()
+    {
+        return [
+            'payment_method' => 'required|string',
+        ];
+    }
+}