<?php

// config/config.php
$GLOBALS['ISO_HOOKS']['preCheckout'][] = array('MyIsotope', 'storeProductIds');
$GLOBALS['ISO_HOOKS']['postCheckout'][] = array('MyIsotope', 'updateProductsQuantity');


// MyIsotope.php
class MyIsotope extends Frontend
{

    public function storeProductIds($objOrder)
    {
        $arrProducts = $objOrder->getProducts();

        foreach ($arrProducts as $objProduct)
        {
            $_SESSION['ISO_UPDATE_QUANTITY'][] = $objProduct->id;
        }
    }


    public function updateProductsQuantity()
    {
        if (is_array($_SESSION['ISO_UPDATE_QUANTITY']) && !empty($_SESSION['ISO_UPDATE_QUANTITY']))
        {
print_r($_SESSION['ISO_UPDATE_QUANTITY']);exit;
            $this->Database->execute("UPDATE tl_iso_products SET iloscwmagazynie=iloscwmagazynie-1 WHERE id IN (" . implode(',', array_map('intval', $_SESSION['ISO_UPDATE_QUANTITY'])) . ")");
        }
    }
}