Administrator / baucenter

<?php

namespace common\modules\product\helpers;

use common\modules\product\models\Brand;
use common\modules\product\models\Category;
use yii\base\Object;

class ProductHelper extends Object {
    public static function getCategories() {
        return Category::find()->getTree();
    }

    public static function getBrands() {
        return Brand::find();
    }
}