exportoffercreator.php

<?php
namespace Bitrix\Catalog\Ebay;
use Bitrix\Main\SystemException;
 
class ExportOfferCreator
{
    public static function getOfferObject(array $offerParams)
    {
        if(!isset($offerParams["IBLOCK_ID"]) || intval($offerParams["IBLOCK_ID"]) <= 0)
            throw new SystemException("Incorrect iBlock ID  (".__CLASS__."::".__METHOD__.")");
 
        $arCatalog = \CCatalogSku::GetInfoByIBlock($offerParams["IBLOCK_ID"]);
 
        if (empty($arCatalog))
            throw new SystemException("IBlock is not catalog. (".__CLASS__."::".__METHOD__.")");
 
        $catalogType = $arCatalog["CATALOG_TYPE"];
        if (!in_array($catalogType, \CCatalogSku::GetCatalogTypes()))
            throw new SystemException("Unknown type of catalog (".__CLASS__."::".__METHOD__.")");
 
        $result = array();
 
        switch($catalogType)
        {
            case \CCatalogSku::TYPE_CATALOG:
            case \CCatalogSku::TYPE_OFFERS:
                $result = new ExportOffer($catalogType, $offerParams);
                break;
 
            case \CCatalogSku::TYPE_PRODUCT:
            case \CCatalogSku::TYPE_FULL:
                $result = new ExportOfferSKU($catalogType, $offerParams);
                break;
        }
 
        return $result;
    }
}