skutree.php

<?php
 
namespace Bitrix\Catalog\Controller;
 
use Bitrix\Catalog\v2\IoC\ServiceContainer;
use Bitrix\Catalog\v2\Sku\BaseSku;
use Bitrix\Main\Engine\ActionFilter;
use Bitrix\Main\Engine\JsonController;
 
class SkuTree extends JsonController
{
    public function configureActions()
    {
        return [
            'getSku' => [
                '+prefilters' => [
                    new ActionFilter\CloseSession(),
                ],
                '-prefilters' => [
                    ActionFilter\Authentication::class,
                ],
            ],
            'getIblockProperties' => [
                '-prefilters' => [
                    ActionFilter\Authentication::class,
                ],
            ],
        ];
    }
    protected function getDefaultPreFilters()
    {
        return array_merge(
            parent::getDefaultPreFilters(),
            [
                new ActionFilter\HttpMethod([ActionFilter\HttpMethod::METHOD_POST]),
                new ActionFilter\Scope(ActionFilter\Scope::AJAX),
            ]
        );
    }
 
    public function getIblockPropertiesAction(int $iblockId): array
    {
        if ($iblockId <= 0)
        {
            return [];
        }
 
        $skuTree = ServiceContainer::make('sku.tree', ['iblockId' => $iblockId]);
        if ($skuTree)
        {
            return $skuTree->getTreeProperties();
        }
 
        return [];
    }
 
    public function getSkuAction(int $skuId): array
    {
        $iterator = \CIBlockElement::GetList(
            [],
            [
                'ID' => $skuId,
                'ACTIVE' => 'Y',
                'ACTIVE_DATE' => 'Y',
                'CHECK_PERMISSIONS' => 'Y',
                'MIN_PERMISSION' => 'R',
            ],
            false,
            false,
            ['ID', 'IBLOCK_ID']
        );
        $element = $iterator->Fetch();
        if (!$element)
        {
            return [];
        }
        unset($iterator);
 
        $skuRepository = ServiceContainer::getSkuRepository($element['IBLOCK_ID']);
        if (!$skuRepository)
        {
            return [];
        }
 
        $sku = $skuRepository->getEntityById($skuId);
 
        if (!$sku || $sku->isSimple())
        {
            return [];
        }
 
        $parentProduct = $sku->getParent();
        if (!$parentProduct)
        {
            return [];
        }
 
        $skuTree = ServiceContainer::make('sku.tree', [
            'iblockId' => $parentProduct->getIblockId(),
        ]);
 
        if (!$skuTree)
        {
            return [];
        }
 
        $productId = $parentProduct->getId();
 
        $offers = $skuTree->loadWithSelectedOffers([
            $productId => $skuId,
        ]);
 
        if ($offers[$productId][$skuId] && is_array($offers[$productId][$skuId]['OFFERS']))
        {
            foreach ($offers[$productId][$skuId]['OFFERS'] as $offer)
            {
                if ((int)$offer['ID'] === $skuId)
                {
                    unset($offer['DISPLAY_PROPERTIES'], $offer['PROPERTIES']);
                    return $offer;
                }
            }
        }
 
        return [];
    }
}