$categories = POS::getProductsbyCategory($category, $pag, $ticketstate);
     echo json_encode($categories);
 } else {
     if ($action == 'getCategories') {
         //$parentcategory = intval($data['data']);
         $parentcategory = intval(GETPOST('parentcategory', 'int'));
         $categories = POS::getCategories($parentcategory);
         echo json_encode($categories);
     } elseif ($action == 'newTicket') {
         //$html.=	POS::CreateTicket();
         //$jorge = $html;
     } elseif ($action == 'getProduct') {
         if (isset($data['data'])) {
             $product_id = intval($data['data']['product']);
             $customer_id = intval($data['data']['customer']);
             $product = POS::getProductbyId($product_id, $customer_id);
             echo json_encode($product);
         }
     } elseif ($action == 'getProductFk') {
         if (isset($data['data'])) {
             $product_id = intval($data['data']['product']);
             $customer_id = intval($data['data']['customer']);
             $product = POS::getProductbyIdFk($product_id, $customer_id);
             echo json_encode($product);
         }
     } elseif ($action == 'getTicket') {
         if (sizeof($data)) {
             $ticketId = $data['data'];
             $ticket = POS::getTicket($ticketId);
             echo json_encode($ticket);
         }