deductdocument.php

<?php
namespace Bitrix\Catalog\Product\Store\DistributionStrategy;
 
use Bitrix\Catalog\EO_StoreDocumentElement;
use Bitrix\Catalog\EO_StoreBatchDocumentElement_Collection;
use Bitrix\Catalog\EO_StoreBatch;
use Bitrix\Catalog\Product\Store\BatchManager;
use Bitrix\Catalog\StoreBatchDocumentElementTable;
use Bitrix\Main\Result;
 
final class DeductDocument extends Base
{
    private EO_StoreDocumentElement $documentElement;
    public function __construct(BatchManager $batchManager, EO_StoreDocumentElement $documentElement)
    {
        parent::__construct($batchManager, $documentElement->getStoreFrom());
 
        $this->documentElement = $documentElement;
    }
 
    protected function addRegistryItem(EO_StoreBatch $batchItem, float $amount): Result
    {
        return StoreBatchDocumentElementTable::add([
            'DOCUMENT_ELEMENT_ID' => $this->documentElement->getId(),
            'AMOUNT' => -$amount,
            'PRODUCT_BATCH_ID' => $batchItem->getId(),
            'BATCH_PRICE' => $batchItem->getPurchasingPrice(),
            'BATCH_CURRENCY' => $batchItem->getPurchasingCurrency(),
        ]);
    }
 
    protected function getRegistryItems(): EO_StoreBatchDocumentElement_Collection
    {
        return StoreBatchDocumentElementTable::getList([
                'filter' => [
                    '=DOCUMENT_ELEMENT_ID' => $this->documentElement->getId(),
                    '<AMOUNT' => 0,
                ],
            ])
            ->fetchCollection()
        ;
    }
}