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local/modules/FreeOrder/FreeOrder.php

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+<?php
+/*************************************************************************************/
+/*      This file is part of the Thelia package.                                     */
+/*                                                                                   */
+/*      Copyright (c) OpenStudio                                                     */
+/*      email : dev@thelia.net                                                       */
+/*      web : http://www.thelia.net                                                  */
+/*                                                                                   */
+/*      For the full copyright and license information, please view the LICENSE.txt  */
+/*      file that was distributed with this source code.                             */
+/*************************************************************************************/
+
+namespace FreeOrder;
+
+use Thelia\Core\Event\Order\OrderEvent;
+use Thelia\Core\Event\TheliaEvents;
+use Thelia\Model\Order;
+use Thelia\Model\OrderStatusQuery;
+use Thelia\Module\BaseModule;
+use Thelia\Module\PaymentModuleInterface;
+
+class FreeOrder extends BaseModule implements PaymentModuleInterface
+{
+    public function isValidPayment()
+    {
+        return round($this->getCurrentOrderTotalAmount(), 4) == 0;
+    }
+
+    public function pay(Order $order)
+    {
+        $event = new OrderEvent($order);
+        $event->setStatus(OrderStatusQuery::getPaidStatus()->getId());
+        $this->getDispatcher()->dispatch(TheliaEvents::ORDER_UPDATE_STATUS, $event);
+    }
+
+    public function manageStockOnCreation()
+    {
+        return false;
+    }
+}