KOKINIO - MANAGER

Edit File: class-wc-woomercadopago-stock-manager.php

<?php
/**
 * Part of Woo Mercado Pago Module
 * Author - Mercado Pago
 * Developer
 * Copyright - Copyright(c) MercadoPago [https://www.mercadopago.com]
 * License - https://www.gnu.org/licenses/gpl.html GPL version 2 or higher
 *
 * @package MercadoPago
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Class WC_WooMercadoPago_Stock_Manager
 */
class WC_WooMercadoPago_Stock_Manager {

/**
	 * WC_WooMercadoPago_Stock_Manager constructor.
	 */
	public function __construct() {
		// MP status pending logic!
		add_action( 'woocommerce_order_status_pending_to_cancelled', array( 'WC_WooMercadoPago_Stock_Manager', 'restore_stock_item' ), 10, 1 );
		add_action( 'woocommerce_order_status_pending_to_failed', array( 'WC_WooMercadoPago_Stock_Manager', 'restore_stock_item' ), 10, 1 );

// Mp status approved logic!
		add_action( 'woocommerce_order_status_processing_to_refunded', array( 'WC_WooMercadoPago_Stock_Manager', 'restore_stock_item' ), 10, 1 );
		add_action( 'woocommerce_order_status_on-hold_to_refunded', array( 'WC_WooMercadoPago_Stock_Manager', 'restore_stock_item' ), 10, 1 );
	}

/**
	 * Restore Stock Item
	 *
	 * @param int $order_id Order ID.
	 */
	public static function restore_stock_item( $order_id ) {
		$order = wc_get_order( $order_id );

if ( ! $order || 'yes' !== get_option( 'woocommerce_manage_stock' ) || ! apply_filters( 'woocommerce_can_reduce_order_stock', true, $order ) ) {
			return;
		}

if ( $order->get_payment_method() !== 'woo-mercado-pago-ticket' ) {
			return;
		}

$mp_ticket_settings = get_option( 'woocommerce_woo-mercado-pago-ticket_settings' );
		if ( empty( $mp_ticket_settings ) || in_array( 'stock_reduce_mode', $mp_ticket_settings, true ) || 'no' === $mp_ticket_settings['stock_reduce_mode'] ) {
			return;
		}

foreach ( $order->get_items() as $item ) {
			if ( $item['product_id'] > 0 ) {
				$_product = wc_get_product( $item['product_id'] );
				if ( $_product && $_product->exists() && $_product->managing_stock() ) {
					$qty = apply_filters( 'woocommerce_order_item_quantity', $item['qty'], $order, $item );
					wc_update_product_stock( $_product, $qty, 'increase' );
					do_action( 'woocommerce_auto_stock_restored', $_product, $item );
				}
			}
		}
	}
}

new WC_WooMercadoPago_Stock_Manager();