storeselector.php

См. документацию.

<?php
 
namespace Bitrix\Catalog\Controller;
 
use Bitrix\Catalog\Access\AccessController;
use Bitrix\Catalog\Access\ActionDictionary;
use Bitrix\Catalog\StoreProductTable;
use Bitrix\Catalog\StoreTable;
use Bitrix\Main\Engine\Action;
use Bitrix\Main\Engine\ActionFilter;
use Bitrix\Main\Engine\JsonController;
use Bitrix\Main\Error;
 
class StoreSelector extends JsonController
{
    private AccessController $accessController;

    protected function init()
    {
        parent::init();
 
        $this->accessController = AccessController::getCurrent();
    }
 
    protected function getDefaultPreFilters()
    {
        return array_merge(
            parent::getDefaultPreFilters(),
            [
                new ActionFilter\HttpMethod([ActionFilter\HttpMethod::METHOD_POST]),
                new ActionFilter\Scope(ActionFilter\Scope::AJAX),
            ]
        );
    }
 
    protected function processBeforeAction(Action $action)
    {
        if (
            $this->accessController->check(ActionDictionary::ACTION_CATALOG_READ)
            || $this->accessController->check(ActionDictionary::ACTION_CATALOG_VIEW)
        )
        {
            return parent::processBeforeAction($action);
        }
 
        $this->addError(new Error('Access denied'));
 
        return false;
    }

    public function getProductStoresAction(int $productId): array
    {
        $iterator = \CIBlockElement::GetList(
            [],
            [
                'ID' => $productId,
                'ACTIVE' => 'Y',
                'ACTIVE_DATE' => 'Y',
                'CHECK_PERMISSIONS' => 'Y',
                'MIN_PERMISSION' => 'R',
            ],
            false,
            false,
            ['ID', 'IBLOCK_ID', 'TYPE']
        );
        $element = $iterator->Fetch();
        if (!$element)
        {
            return [];
        }
 
        $filter = [
            '=PRODUCT_ID' => $productId,
        ];
 
        $accessFilter = $this->accessController->getEntityFilter(
            ActionDictionary::ACTION_STORE_VIEW,
            StoreProductTable::class
        );
        if ($accessFilter)
        {
            $filter[] = $accessFilter;
        }
 
        $storeAmounts = StoreProductTable::getList([
            'filter' => $filter,
            'select' => [
                'AMOUNT',
                'QUANTITY_RESERVED',
                'STORE_ID',
                'STORE_TITLE' => 'STORE.TITLE'
            ]
        ]);
 
        return $storeAmounts->fetchAll();
    }
 
    public function createStoreAction(string $name): ?array
    {
        if (!$this->accessController->check(ActionDictionary::ACTION_STORE_MODIFY))
        {
            $this->addError(new Error('Access denied'));
            return null;
        }
 
        $result = StoreTable::add([
            'TITLE' => $name,
            'ADDRESS' => $name,
        ]);
 
        if (!$result->isSuccess())
        {
            $this->addErrors($result->getErrors());
 
            return [];
        }
 
        return [
            'id' => $result->getId(),
        ];
    }
}