<?php
namespace Wbs24\Lib\Stocks;

use Bitrix\Main\{
    Event,
    EventManager,
    EventResult
};

class Handlers
{
    public const CATALOG_XML_ID = 'aspro_next_catalog_s2';

    public static function OnBeforeBasketAddHandler(&$arFields)
    {
        if (
            $arFields['CATALOG_XML_ID'] == self::CATALOG_XML_ID
            && $arFields['PRODUCT_PROVIDER_CLASS'] == '\Bitrix\Catalog\Product\CatalogProvider'
        ) {
            $wholesale = new Wholesale();
            if ($wholesale->isAllowedGroup()) {
                $arFields['PRODUCT_PROVIDER_CLASS'] = '\Wbs24\Lib\Stocks\CatalogProvider';
            }
        }
    }
}