product/lib/Manage.php

<?php

namespace Product\Lib;

use Dever;

class Manage
{
    public function updateCategory($id, $name, $data)
    {
        $info = Dever::param('category', $data);
        if ($info && $info != -1) {
            $update['top_category_id'] = $info[0];
            $num = count($info)+1;
            $update['level'] = $num;
            $parent = Dever::param('category_id', $data);
            $child = Dever::db('product/category')->one(array('category_id' => $id));
            if (!$child) {
                $update['level'] = -1;
            }
            Dever::db('product/category')->update(array('where_id' => $parent, 'level' => $num - 1));
        } else {
            $update['level'] = 1;
            $update['top_category_id'] = -1;
        }

        if (isset($update)) {
            $update['where_id'] = $id;
            Dever::db('product/category')->update($update);
        }
    }
}