<?php
/**
* Since 2013 Ovidiu Cimpean.
*
* Ovidiu Cimpean - Newsletter Pro © All rights reserved.
*
* DISCLAIMER
*
* Do not edit, modify or copy this file.
* If you wish to customize it, contact us at addons4prestashop@gmail.com.
*
* @author    Ovidiu Cimpean <addons4prestashop@gmail.com>
* @copyright Since 2013 Ovidiu Cimpean
* @license   Do not edit, modify or copy this file
*
* @version   Release: 4
*/

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

function upgrade_module_4_4_4($module)
{
    $upgrade = $module->upgrade;

    $upgrade->updateConfiguration('SHOW_CLEAR_CACHE', 1);

    $old_mails_dir = $module->dir_location.'mails/';
    $new_mails_dir = $module->dir_location.'mail_templates/';
    $temp_mails_dir = $module->dir_location.'mail_templates_temp/';

    if (file_exists($old_mails_dir) && is_writable($old_mails_dir) && file_exists($new_mails_dir) && is_writable($new_mails_dir)) {
        @NewsletterProTools::recurseCopy($new_mails_dir, $old_mails_dir);

        if (@rename($new_mails_dir, $temp_mails_dir)) {
            if (@rename($old_mails_dir, $new_mails_dir)) {
                // for security
                if (false !== strpos(str_replace('\\', '/', $temp_mails_dir), str_replace('\\', '/', '/modules/newsletterpro/mail_templates_temp'))) {
                    @NewsletterProTools::deleteDirAndFiles($temp_mails_dir);
                }
            } else {
                @rename($temp_mails_dir, $new_mails_dir);
            }
        }
    }

    return $upgrade->success();
}