inventory.php

<?php
 
namespace Bitrix\Sale\TradingPlatform\Ebay\Feed\Data\Converters;
 
use Bitrix\Main\ArgumentNullException;
use \Bitrix\Main\SystemException;
 
class Inventory extends DataConverter
{
    protected $maxProductQuantity = null;
 
    public function __construct($params)
    {
        if(!isset($params["SITE_ID"]) || $params["SITE_ID"] == '')
            throw new ArgumentNullException("SITE_ID");
 
        $ebay = \Bitrix\Sale\TradingPlatform\Ebay\Ebay::getInstance();
        $settings = $ebay->getSettings();
 
        if(!empty($settings[$params["SITE_ID"]]['MAX_PRODUCT_QUANTITY']))
            $this->maxProductQuantity = (float)$settings[$params["SITE_ID"]]['MAX_PRODUCT_QUANTITY'];
    }
 
    public function convert($data)
    {
        $result = "";
 
        if(isset($data["OFFERS"]) && is_array($data["OFFERS"]) && !empty($data["OFFERS"]))
        {
            foreach($data["OFFERS"] as $offer)
                $result .= $this->getItemData($offer, $data["IBLOCK_ID"]."_".$data["ID"]."_");
        }
        else
        {
            $result .= $this->getItemData($data, $data["IBLOCK_ID"]."_");
        }
 
        return $result;
    }
 
    protected function getItemData($data, $skuPrefix = "")
    {
        if(!isset($data["PRICES"]["MIN"]) || $data["PRICES"]["MIN"] <= 0)
            throw new SystemException("Can't find the price for product id: ".$data["ID"]." ! ".__METHOD__);
 
        if((float)$data["QUANTITY"] <= 0)
            return '';
 
        $quantity = (float)$data["QUANTITY"];
 
        if($this->maxProductQuantity !== null && $quantity > $this->maxProductQuantity)
            $quantity = $this->maxProductQuantity;
 
        $result = "\t<Inventory>\n";
        $result .= "\t\t<SKU>".$skuPrefix.$data["ID"]."</SKU>\n";
        $result .= "\t\t<Price>".$data["PRICES"]["MIN"]."</Price>\n";
        $result .= "\t\t<Quantity>".$quantity."</Quantity>\n";
        $result .= "\t</Inventory>\n";
    
        return $result;
    }
}