Prestashop out of stock products show in the last page

Yes, i can do this changes in prestashop 1.7....please accept my bid now..................................................

Hello, Greetings of the day! I have made a complete look at your requirements and would like to put forth our candidature in order to assist you to show "out of stock" at last page. Please share your website URL so I can check and assist you. I have more than 6+ years experience in Web Design & development Like WordPress, Woocommerce, Shopify, Joomla, Drupal, Prestashop, Magento, opencart and great familiar with MVC framework PHP, CakePHP, Java, Zend, Yii, and Laravel, etc. We have endeavored to give you the best insight according to your requirements and look forward to having the opportunity to discuss the job further. Regards, Shaam

I can do this right away. I know where it is to be done in prestashop. I have done before. Just some simple sorting required in the code so that out of stock will show last in the prestashop page.