first upload all files

Modules/Order/Http/Requests/StoreOrderRequest.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace Modules\Order\Http\Requests;
+
+use Modules\Support\Country;
+use Illuminate\Validation\Rule;
+use Modules\Payment\Facades\Gateway;
+use Modules\Core\Http\Requests\Request;
+
+class StoreOrderRequest extends Request
+{
+    /**
+     * Available attributes.
+     *
+     * @var string
+     */
+    protected $availableAttributes = 'checkout::attributes';
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array
+     */
+    public function rules()
+    {
+        return [
+            'customer_email' => ['required', 'email', $this->emailUniqueRule()],
+            'customer_phone' => ['required'],
+            'billing.first_name' => 'required',
+            'billing.last_name' => 'required',
+            'billing.address_1' => 'required',
+            'billing.city' => 'required',
+            'billing.zip' => 'required',
+            'billing.country' => ['required', Rule::in(Country::supportedCodes())],
+            'billing.state' => 'required',
+            'create_an_account' => 'boolean',
+            'password' => 'required_if:create_an_account,1',
+           'ship_to_a_different_address' => 'boolean',
+            'shipping.first_name' => 'required_if:ship_to_a_different_address,1',
+            'shipping.last_name' => 'required_if:ship_to_a_different_address,1',
+            'shipping.address_1' => 'required_if:ship_to_a_different_address,1',
+            'shipping.city' => 'required_if:ship_to_a_different_address,1',
+            'shipping.zip' => 'required_if:ship_to_a_different_address,1',
+            'shipping.country' => ['required_if:ship_to_a_different_address,1', Rule::in(Country::supportedCodes())],
+            'shipping.state' => 'required_if:ship_to_a_different_address,1',
+            'payment_method' => ['required', Rule::in(Gateway::names())],
+            'terms_and_conditions' => 'accepted',
+        ];
+    }
+
+    private function emailUniqueRule()
+    {
+        return $this->create_an_account ? Rule::unique('users', 'email') : null;
+    }
+}