$cat = $_POST['cat_name'];
         $position = $_POST['position'];
         $parent_id = $_POST['parent_id'];
         $home = isset($_POST['home']) ? $_POST['home'] : '';
         $id = $_POST['id'];
         if ($cat_obj->updateCat($cat, $parent_id, $position, $home, $id)) {
             header("Location: ../index.php?view=list-cat-product&stt=success");
         } else {
             header("Location: ../index.php?view=list-cat-product&stt=fail");
         }
     }
     break;
 case "xoa":
     $id = $_POST['id'];
     $cat_obj = new category_product();
     if ($cat_obj->delCat($id)) {
         header("Location: ../index.php?view=list-cat-product&stt=success");
     } else {
         header("Location: ../index.php?view=list-cat-product&stt=fail");
     }
     break;
 default:
     if (isset($_POST['cat_name']) && isset($_POST['position']) && isset($_POST['parent_id'])) {
         $cat_obj = new category_product();
         $cat = $_POST['cat_name'];
         $position = $_POST['position'];
         $parent_id = $_POST['parent_id'];
         $home = isset($_POST['home']) ? $_POST['home'] : '';
         if ($cat_obj->insertCat($cat, $parent_id, $position, $home)) {
             header("Location: ../index.php?view=form-cat-product&stt=success");
         } else {