discountmanager.php

<?php
namespace Bitrix\Catalog\Discount;
 
use Bitrix\Main,
    Bitrix\Main\Localization\Loc,
    Bitrix\Main\Loader,
    Bitrix\Main\Type\Collection,
    Bitrix\Catalog,
    Bitrix\Iblock,
    Bitrix\Sale;
 
Loc::loadMessages(__FILE__);
 
class DiscountManager
{
    protected static $discountCache = [];
    protected static $typeCache = [];
    protected static $editUrlTemplate = [];
    protected static $saleIncluded = null;
    protected static $preloadedPriceData = [];
    protected static $preloadedProductsData = [];
    protected static $productProperties = [];
 
    public static function catalogDiscountManager(Main\Event $event): Main\EventResult
    {
        return new Main\EventResult(
            Main\EventResult::SUCCESS,
            [
                'prepareData' => [__CLASS__, 'prepareData'],
                'getEditUrl' => [__CLASS__, 'getEditUrl'],
                'calculateApplyCoupons' => [__CLASS__, 'calculateApplyCoupons'],
                'roundBasket' => [__CLASS__, 'roundBasket']
            ],
            'catalog'
        );
    }
 
    public static function prepareData(array $discount, $params = [])
    {
        if (empty($discount) || empty($discount['ID']))
            return false;
 
        $discountId = (int)$discount['ID'];
        if ($discountId <= 0)
            return false;
        if (!isset(self::$discountCache[$discountId]))
        {
            self::$discountCache[$discountId] = false;
 
            $loadData = self::loadFromDatabase($discountId, $discount);
            if (!empty($loadData))
            {
                $loadData['LAST_LEVEL_DISCOUNT'] = 'N';
                if ($loadData['CURRENCY'] != $params['CURRENCY'])
                    Catalog\DiscountTable::convertCurrency($loadData, $params['CURRENCY']);
                self::createSaleAction($loadData, $params);
                $loadData['EDIT_PAGE_URL'] = self::getEditUrl([
                    'ID' => $discountId, 'TYPE' => $loadData['TYPE']
                ]);
                self::$discountCache[$discountId] = $loadData;
            }
        }
        $result = self::$discountCache[$discountId];
        if (empty($result))
            return $result;
        if ($result['USE_COUPONS'] == 'Y')
        {
            if (isset($discount['COUPON']))
                $result['COUPON'] = $discount['COUPON'];
        }
 
        return $result;
    }
 
    public static function getEditUrl(array $discount): string
    {
        if (empty(self::$editUrlTemplate))
        {
            self::$editUrlTemplate = [
                Catalog\DiscountTable::TYPE_DISCOUNT => '/bitrix/admin/cat_discount_edit.php?lang='.LANGUAGE_ID.'&ID=',
                Catalog\DiscountTable::TYPE_DISCOUNT_SAVE => '/bitrix/admin/cat_discsave_edit.php?lang='.LANGUAGE_ID.'&ID='
            ];
        }
        $result = '';
        if (empty($discount['ID']) || (int)$discount['ID'] <= 0)
            return $result;
 
        $id = (int)$discount['ID'];
        $type = -1;
        if (isset($discount['TYPE']))
            $type = (int)$discount['TYPE'];
 
        if ($type != Catalog\DiscountTable::TYPE_DISCOUNT && $type != Catalog\DiscountTable::TYPE_DISCOUNT_SAVE)
        {
            if (isset(self::$typeCache[$id]))
            {
                $type = self::$typeCache[$id];
            }
            else
            {
                $discountIterator = Catalog\DiscountTable::getList([
                    'select' => ['ID', 'TYPE'],
                    'filter' => ['=ID' => $id]
                ]);
                $data = $discountIterator->fetch();
                if (!empty($data))
                {
                    $type = (int)$data['TYPE'];
                    self::$typeCache[$id] = $type;
                }
                unset($data, $discountIterator);
            }
        }
        if (isset(self::$editUrlTemplate[$type]))
            $result = self::$editUrlTemplate[$type].$id;
        unset($type, $id);
        return $result;
    }
 
    public static function calculateApplyCoupons(array $couponsList, array $basket, array $params): array
    {
        $result = [];
 
        if (empty($couponsList))
            return $result;
        if (empty($basket))
            return $result;
        $filteredBasket = array_filter($basket, '\Bitrix\Catalog\Discount\DiscountManager::basketFilter');
        if (empty($filteredBasket))
            return $result;
        $filteredBasket = array_filter($filteredBasket, '\Bitrix\Catalog\Discount\DiscountManager::lastDiscountFilter');
        if (empty($filteredBasket))
            return $result;
 
        $filteredCoupons = [];
        foreach ($couponsList as $coupon)
        {
            if (!isset($coupon['COUPON']) || $coupon['COUPON'] == '')
                continue;
            if (!isset($coupon['DISCOUNT_ID']) || (int)$coupon['DISCOUNT_ID'] <= 0)
                continue;
            $filteredCoupons[] = $coupon['COUPON'];
        }
        unset($coupon);
        if (empty($filteredCoupons))
            return $result;
 
        $discountIds = [];
        $discountCoupons = [];
        $oneRowCoupons = [];
        $couponsIterator = Catalog\DiscountCouponTable::getList([
            'select' => ['ID', 'COUPON', 'DISCOUNT_ID', 'TYPE'],
            'filter' => ['@COUPON' => $filteredCoupons, 'ACTIVE' => 'Y']
        ]);
        while ($coupon = $couponsIterator->fetch())
        {
            $discountIds[$coupon['DISCOUNT_ID']] = true;
            $discountCoupons[$coupon['COUPON']] = $coupon['COUPON'];
            if ($coupon['TYPE'] == Catalog\DiscountCouponTable::TYPE_ONE_ROW)
                $oneRowCoupons[$coupon['COUPON']] = true;
        }
        unset($coupon, $couponsIterator);
        if (empty($discountCoupons))
            return $result;
 
        $userId = (isset($params['USER_ID']) ? (int)$params['USER_ID'] : 0);
        if ($userId <= 0)
            return $result;
        $userGroups = Main\UserTable::getUserGroupIds($userId);
        $userGroups[] = -1;
 
        $iblockList = [];
        $product2Iblock = [];
        $itemIds = [];
        foreach ($filteredBasket as $basketItem)
        {
            $productId = (int)$basketItem['PRODUCT_ID'];
            $itemIds[$productId] = $productId;
        }
        unset($basketItem);
 
        $itemIterator = Iblock\ElementTable::getList([
            'select' => ['ID', 'IBLOCK_ID'],
            'filter' => ['@ID' => $itemIds, '=ACTIVE' => 'Y']
        ]);
        while ($item = $itemIterator->fetch())
        {
            $id = (int)$item['ID'];
            $iblockId = (int)$item['IBLOCK_ID'];
            if (!isset($iblockList[$iblockId]))
                $iblockList[$iblockId] = [];
            $iblockList[$iblockId][$id] = $id;
            $product2Iblock[$id] = $iblockId;
            unset($iblockId, $id);
        }
        unset($item, $itemIterator);
        unset($itemIds);
 
        if (empty($iblockList))
            return $result;
 
        foreach($iblockList as $iblockId => $elements)
        {
            \CCatalogDiscount::setProductSectionsCache($elements);
            \CCatalogDiscount::setDiscountProductCache($elements, ['IBLOCK_ID' => $iblockId, 'GET_BY_ID' => 'Y']);
        }
        unset($iblockId, $elements);
 
        $discountPercentMode = \CCatalogDiscount::getUseBasePrice();
        if (isset($params['USE_BASE_PRICE']))
            \CCatalogDiscount::setUseBasePrice($params['USE_BASE_PRICE'] == 'Y');
 
        Main\Type\Collection::sortByColumn($filteredBasket, ['PRICE' => SORT_DESC], '', null, true);
        foreach ($filteredBasket as $basketCode => $basketItem)
        {
            $productId = (int)$basketItem['PRODUCT_ID'];
            if (!isset($product2Iblock[$productId]))
                continue;
            if (empty($discountCoupons))
                break;
 
            $discountList = \CCatalogDiscount::getDiscount(
                $productId,
                $product2Iblock[$productId],
                [-1],
                $userGroups,
                'N',
                $params['SITE_ID'],
                $discountCoupons
            );
 
            if (empty($discountList))
                continue;
 
            $itemDiscounts = [];
            foreach ($discountList as $discount)
            {
                if (!isset($discountIds[$discount['ID']]))
                    continue;
                $itemDiscounts[] = $discount;
            }
            unset($discount, $discountList);
            if (empty($itemDiscounts))
                continue;
 
            $itemsDiscountResult = \CCatalogDiscount::applyDiscountList($basketItem['PRICE'], $basketItem['CURRENCY'], $itemDiscounts);
            unset($itemDiscounts);
            if (!empty($itemsDiscountResult['DISCOUNT_LIST']))
            {
                $result[$basketCode] = [];
                foreach ($itemsDiscountResult['DISCOUNT_LIST'] as $discount)
                {
                    $result[$basketCode][] = \CCatalogDiscount::getDiscountDescription($discount);
                    if (!empty($discount['COUPON']) && isset($oneRowCoupons[$discount['COUPON']]))
                        unset($discountCoupons[$discount['COUPON']]);
                }
                unset($discount);
            }
            unset($itemsDiscountResult);
        }
        unset($basketCode, $basketItem, $basketItem);
 
        \CCatalogDiscount::setUseBasePrice($discountPercentMode);
        unset($discountPercentMode);
 
        return $result;
    }
 
    public static function roundPrice(array $basketItem, array $roundData = []): array
    {
        if (empty($basketItem))
            return [];
 
        $result = self::roundBasket([0 => $basketItem], [0 => $roundData], []);
        return (!empty($result[0]) ? $result[0] : []);
    }
 
    public static function roundBasket(array $basket, array $basketRoundData = [], array $order = []): array
    {
        if (empty($basket))
            return [];
 
        $result = [];
        $basket = array_filter($basket, '\Bitrix\Catalog\Discount\DiscountManager::basketFilter');
        if (!empty($basket))
        {
            $priceTypes = [];
            $loadPriceId = [];
            $loadBasketCodes = [];
            foreach ($basket as $basketCode => $basketItem)
            {
                if (!empty($basketRoundData[$basketCode]))
                    continue;
                $priceTypeId = 0;
                if (isset($basketItem['PRICE_TYPE_ID']))
                    $priceTypeId = (int)$basketItem['PRICE_TYPE_ID'];
                if ($priceTypeId <= 0 && isset($basketItem['CATALOG_GROUP_ID']))
                    $priceTypeId = (int)$basketItem['CATALOG_GROUP_ID'];
                if ($priceTypeId <= 0 && isset($basketItem['PRODUCT_PRICE_ID']))
                {
                    $priceId = (int)$basketItem['PRODUCT_PRICE_ID'];
                    if ($priceId > 0)
                    {
                        $cachedPrice = self::getPriceDataByPriceId($priceId);
                        if (!empty($cachedPrice))
                            $priceTypeId = (int)$cachedPrice['CATALOG_GROUP_ID'];
                        if ($priceTypeId <= 0)
                        {
                            $loadPriceId[] = $priceId;
                            $loadBasketCodes[$priceId] = $basketCode;
                        }
                    }
                }
 
                $basket[$basketCode]['PRICE_TYPE_ID'] = $priceTypeId;
                if ($priceTypeId > 0)
                    $priceTypes[$priceTypeId] = $priceTypeId;
 
            }
            unset($priceId, $priceTypeId, $basketCode, $basketItem);
 
            if (!empty($loadPriceId))
            {
                sort($loadPriceId);
                foreach (array_chunk($loadPriceId, 500) as $pageIds)
                {
                    $iterator = Catalog\PriceTable::getList([
                        'select' => ['ID', 'CATALOG_GROUP_ID'],
                        'filter' => ['@ID' => $pageIds]
                    ]);
                    while ($row = $iterator->fetch())
                    {
                        $id = (int)$row['ID'];
                        $priceTypeId = (int)$row['CATALOG_GROUP_ID'];
                        if (!isset($loadBasketCodes[$id]))
                            continue;
                        $basket[$loadBasketCodes[$id]]['PRICE_TYPE_ID'] = $priceTypeId;
                        $priceTypes[$priceTypeId] = $priceTypeId;
                    }
                    unset($priceTypeId, $id, $row, $iterator);
                }
            }
            unset($loadBasketCodes, $loadPriceId);
 
            if (!empty($priceTypes))
                Catalog\Product\Price::loadRoundRules($priceTypes);
            unset($priceTypes);
 
            foreach ($basket as $basketCode => $basketItem)
            {
                if (!empty($basketRoundData[$basketCode]))
                {
                    $roundData = $basketRoundData[$basketCode];
                }
                else
                {
                    $roundData = Catalog\Product\Price::searchRoundRule(
                        $basketItem['PRICE_TYPE_ID'],
                        $basketItem['PRICE'],
                        $basketItem['CURRENCY']
                    );
                }
 
                if (empty($roundData))
                {
                    continue;
                }
 
                $result[$basketCode] = self::getRoundResult($basketItem, $roundData);
            }
            unset($roundData, $basketCode, $basketItem, $basketRoundData);
        }
        unset($basket);
 
        return $result;
    }
 
    public static function applyDiscount(&$product, $discount): void
    {
        if (empty($product) || !is_array($product))
            return;
        if (empty($discount) || empty($discount['TYPE']))
            return;
        if (isset($discount['CURRENCY']) && $discount['CURRENCY'] != $product['CURRENCY'])
            return;
        if (!isset($product['DISCOUNT_PRICE']))
            $product['DISCOUNT_PRICE'] = 0;
        $getPercentFromBasePrice = (isset($discount['USE_BASE_PRICE']) && $discount['USE_BASE_PRICE'] == 'Y');
        $basePrice = (float)(
            isset($product['BASE_PRICE'])
            ? $product['BASE_PRICE']
            : $product['PRICE'] + $product['DISCOUNT_PRICE']
        );
 
        switch ($discount['TYPE'])
        {
            case Catalog\DiscountTable::VALUE_TYPE_PERCENT:
                $discount['VALUE'] = -$discount['VALUE'];
                $discountValue = self::roundValue(
                    ((
                        $getPercentFromBasePrice
                            ? $basePrice
                            : $product['PRICE']
                        )*$discount['VALUE'])/100,
                    $product['CURRENCY']
                );
                if (isset($discount['MAX_VALUE']) && $discount['MAX_VALUE'] > 0)
                {
                    if ($discountValue + $discount['MAX_VALUE'] <= 0)
                        $discountValue = -$discount['MAX_VALUE'];
                }
                $product['PRICE'] += $discountValue;
                $product['DISCOUNT_PRICE'] -= $discountValue;
                if (!empty($product['DISCOUNT_RESULT']))
                {
                    $product['DISCOUNT_RESULT']['BASKET'][0]['RESULT_VALUE'] = (string)abs($discountValue);
                    $product['DISCOUNT_RESULT']['BASKET'][0]['RESULT_UNIT'] = $product['CURRENCY'];
                }
                unset($discountValue);
                break;
            case Catalog\DiscountTable::VALUE_TYPE_FIX:
                $discount['VALUE'] = self::roundValue($discount['VALUE'], $product['CURRENCY']);
                $product['PRICE'] -= $discount['VALUE'];
                $product['DISCOUNT_PRICE'] += $discount['VALUE'];
                break;
            case Catalog\DiscountTable::VALUE_TYPE_SALE:
                $discount['VALUE'] = self::roundValue($discount['VALUE'], $product['CURRENCY']);
                $product['DISCOUNT_PRICE'] += ($product['PRICE'] - $discount['VALUE']);
                $product['PRICE'] = $discount['VALUE'];
                break;
        }
    }
 
    public static function getPriceDataByProductId(int $productId, int $catalogGroupId): ?array
    {
        if (!isset(self::$preloadedPriceData[$productId.'-'.$catalogGroupId]))
        {
            self::$preloadedPriceData[$productId.'-'.$catalogGroupId] = null;
            self::preloadPriceData([$productId], [$catalogGroupId]);
        }
        return self::$preloadedPriceData[$productId.'-'.$catalogGroupId];
    }
 
    public static function setProductPropertiesCache($productId, $props)
    {
        if (!is_array($props))
            return;
 
        self::$productProperties[$productId] = $props;
    }
 
    public static function clearProductPropertiesCache()
    {
        self::$productProperties = [];
    }
 
    public static function clearProductsCache()
    {
        self::$preloadedProductsData = [];
    }
 
    public static function clearProductPricesCache()
    {
        self::$preloadedPriceData = [];
    }
 
    public static function preloadPriceData(array $productIds, array $catalogGroups)
    {
        if (empty($productIds) || empty($catalogGroups))
            return;
        Collection::normalizeArrayValuesByInt($productIds);
        if (empty($productIds))
            return;
        Collection::normalizeArrayValuesByInt($catalogGroups);
        if (empty($catalogGroups))
            return;
 
        $productIds = self::extendProductIdsToOffer($productIds);
 
        foreach($productIds as $i => $productId)
        {
            if(isset(self::$preloadedPriceData[$productId]))
            {
                unset($productIds[$i]);
            }
        }
 
        if(empty($productIds))
        {
            return;
        }
 
        $dbPrice = Catalog\PriceTable::getList([
            'select' => ['*'],
            'filter' => ['@PRODUCT_ID' => $productIds, '@CATALOG_GROUP_ID' => $catalogGroups]
        ]);
        while($priceRow = $dbPrice->fetch())
        {
            self::$preloadedPriceData[$priceRow['PRODUCT_ID'].'-'.$priceRow['CATALOG_GROUP_ID']] = $priceRow;
        }
    }
 
    private static function fillByPreloadedPrices(array &$productData, array $priceList)
    {
        foreach ($productData as $productId => $product)
        {
            foreach (self::$preloadedPriceData as $priceData)
            {
                if ($priceData['PRODUCT_ID'] != $productId)
                {
                    continue;
                }
 
                if(!in_array($priceData['ID'], $priceList))
                {
                    continue;
                }
 
                $productData[$productId]['CATALOG_GROUP_ID'] = $priceData['CATALOG_GROUP_ID'];
            }
        }
    }
 
    public static function preloadProductDataToExtendOrder(array $productIds, array $userGroups)
    {
        if (empty($productIds) || empty($userGroups))
            return;
        Collection::normalizeArrayValuesByInt($productIds, true);
        if (empty($productIds))
            return;
        Collection::normalizeArrayValuesByInt($userGroups, true);
        if (empty($userGroups))
            return;
 
        if(self::$saleIncluded === null)
            self::$saleIncluded = Loader::includeModule('sale');
 
        if(!self::$saleIncluded)
            return;
 
        $discountCache = Sale\Discount\RuntimeCache\DiscountCache::getInstance();
 
        $discountIds = $discountCache->getDiscountIds($userGroups);
        if(!$discountIds)
        {
            return;
        }
 
        Collection::normalizeArrayValuesByInt($discountIds, true);
 
        $entityList = $discountCache->getDiscountEntities($discountIds);
        if(!$entityList || empty($entityList['catalog']))
        {
            return;
        }
 
        $entityData = self::prepareEntity($entityList);
        if(!$entityData)
        {
            return;
        }
 
        $productIds = self::extendProductIdsToOffer($productIds);
 
        $iblockData = self::getProductIblocks($productIds);
        self::fillProductPropertyList($entityData, $iblockData);
 
        $productData = array_fill_keys($productIds, []);
        if(empty($iblockData['iblockElement']))
        {
            return;
        }
 
        self::getProductData($productData, $entityData, $iblockData);
 
        $cacheKeyForEntityList = self::getCacheKeyForEntityList($entityList);
        if(!isset(self::$preloadedProductsData[$cacheKeyForEntityList]))
        {
            self::$preloadedProductsData[$cacheKeyForEntityList] = [];
        }
 
        foreach($productData as $productId => $data)
        {
            self::$preloadedProductsData[$cacheKeyForEntityList][$productId] = $data;
        }
    }
 
    public static function extendOrderData(Main\Event $event): Main\EventResult
    {
        $process = true;
        $resultData = [];
        $orderData = $event->getParameter('ORDER');
        $entityList = $event->getParameter('ENTITY');
        $cacheKeyForEntityList = self::getCacheKeyForEntityList($entityList);
 
        if (empty($orderData) || !is_array($orderData))
        {
            $process = false;
        }
        else
        {
            if (!isset($orderData['BASKET_ITEMS']) || !is_array($orderData['BASKET_ITEMS']))
                $process = false;
        }
 
        $entityData = false;
        $iblockData = false;
        if (
            $process
            && !empty($orderData['BASKET_ITEMS'])
        )
        {
            $entityData = self::prepareEntity($entityList);
            if (empty($entityData))
                $process = false;
        }
        if ($process)
        {
            $productMap = [];
            $productList = [];
            $productData = [];
            $priceList = [];
 
            $basket = array_filter($orderData['BASKET_ITEMS'], '\Bitrix\Catalog\Discount\DiscountManager::basketFilter');
            if (!empty($basket))
            {
                foreach ($basket as $basketCode => $basketItem)
                {
                    $basketItem['PRODUCT_ID'] = (int)$basketItem['PRODUCT_ID'];
                    $productList[] = $basketItem['PRODUCT_ID'];
                    if (!isset($productMap[$basketItem['PRODUCT_ID']]))
                    {
                        $productMap[$basketItem['PRODUCT_ID']] = [];
                    }
                    $productMap[$basketItem['PRODUCT_ID']][] = &$basket[$basketCode];
 
                    if (isset($basketItem['PRODUCT_PRICE_ID']))
                    {
                        $priceList[] = $basketItem['PRODUCT_PRICE_ID'];
                    }
                }
                unset($basketItem, $basketCode);
 
                if(isset(self::$preloadedProductsData[$cacheKeyForEntityList]))
                {
                    $preloadedProductIds = array_keys(self::$preloadedProductsData[$cacheKeyForEntityList]);
                    $loadedProductIds = array_intersect($productList, $preloadedProductIds);
 
                    $productList = array_diff($productList, $preloadedProductIds);
                }
 
                $productData = array_fill_keys($productList, []);
 
                if($productData)
                {
                    $iblockData = self::getProductIblocks($productList);
                    self::fillProductPropertyList($entityData, $iblockData);
                    self::fillProductPriceList($entityData, $priceList);
                }
            }
 
            if (!empty($iblockData['iblockElement']))
            {
                self::getProductData($productData, $entityData, $iblockData);
            }
 
            if(!empty($loadedProductIds))
            {
                foreach($loadedProductIds as $loadedProductId)
                {
                    $productData[$loadedProductId] = self::$preloadedProductsData[$cacheKeyForEntityList][$loadedProductId];
                }
 
                if(!empty($entityData['priceFields']))
                {
                    self::fillByPreloadedPrices($productData, $priceList);
                }
            }
 
            if($productData)
            {
                foreach ($productData as $product => $data)
                {
                    if (empty($productMap[$product]))
                        continue;
                    foreach ($productMap[$product] as &$basketItem)
                        $basketItem['CATALOG'] = $data;
                    unset($basketItem);
                }
                unset($product, $data);
 
                $resultData['BASKET_ITEMS'] = $basket;
            }
            unset($basket, $productData, $productMap, $productList);
        }
 
        if ($process)
            $result = new Main\EventResult(Main\EventResult::SUCCESS, $resultData, 'catalog');
        else
            $result = new Main\EventResult(Main\EventResult::ERROR, null, 'catalog');
        unset($process, $resultData);
 
        return $result;
    }
 
    protected static function getCacheKeyForEntityList(array $entityList): string
    {
        return md5(serialize($entityList));
    }
 
    protected static function extendProductIdsToOffer(array $productIds): array
    {
        static $cache = [];
 
        Collection::normalizeArrayValuesByInt($productIds);
        if (empty($productIds))
            return [];
        $key = md5(implode('|', $productIds));
 
        if(!isset($cache[$key]))
        {
            $extendedList = array_combine($productIds, $productIds);
            foreach(\CCatalogSku::getOffersList($productIds) as $mainProduct)
            {
                foreach(array_keys($mainProduct) as $offerId)
                {
                    if(!isset($extendedList[$offerId]))
                    {
                        $extendedList[$offerId] = $offerId;
                    }
                }
            }
 
            $cache[$key] = $extendedList;
        }
 
        return $cache[$key];
    }
 
    protected static function basketFilter(array $basketItem): bool
    {
        return (
            (
                (isset($basketItem['MODULE']) && $basketItem['MODULE'] == 'catalog')
                || (isset($basketItem['MODULE_ID']) && $basketItem['MODULE_ID'] == 'catalog')
            )
            && (isset($basketItem['PRODUCT_ID']) && (int)$basketItem['PRODUCT_ID'] > 0)
        );
    }
 
    protected static function lastDiscountFilter(array $basketItem): bool
    {
        return (
            !isset($basketItem['LAST_DISCOUNT'])
            || $basketItem['LAST_DISCOUNT'] != 'Y'
        );
    }
 
    protected static function loadFromDatabase(int $id, array $discount)
    {
        $select = [];
        if (!isset($discount['NAME']))
            $select['NAME'] = true;
        if (empty($discount['CONDITIONS']))
            $select['CONDITIONS_LIST'] = true;
        if (empty($discount['UNPACK']))
            $select['UNPACK'] = true;
        if (empty($discount['USE_COUPONS']))
            $discount['USE_COUPONS'] = (!empty($discount['COUPON']) ? 'Y' : 'N');
        if (!isset($discount['SORT']))
            $select['SORT'] = true;
        if (!isset($discount['PRIORITY']))
            $select['PRIORITY'] = true;
        if (!isset($discount['LAST_DISCOUNT']))
            $select['LAST_DISCOUNT'] = true;
 
        if (
            !isset($discount['TYPE'])
            || ($discount['TYPE'] != Catalog\DiscountTable::TYPE_DISCOUNT && $discount['TYPE'] != Catalog\DiscountTable::TYPE_DISCOUNT_SAVE)
        )
            $select['TYPE'] = true;
        if (!isset($discount['VALUE_TYPE']))
        {
            $select['VALUE_TYPE'] = true;
            $select['VALUE'] = true;
            $select['MAX_DISCOUNT'] = true;
            $select['CURRENCY'] = true;
        }
        else
        {
            if (!isset($discount['VALUE']))
                $select['VALUE'] = true;
            if (!isset($discount['CURRENCY']))
                $select['CURRENCY'] = true;
            if ($discount['VALUE_TYPE'] == Catalog\DiscountTable::VALUE_TYPE_PERCENT && !isset($discount['MAX_VALUE']))
                $select['MAX_DISCOUNT'] = true;
        }
        $selectKeys = array_keys($select);
 
        if (!empty($select))
        {
            $discountIterator = Catalog\DiscountTable::getList([
                'select' => $selectKeys,
                'filter' => ['=ID' => $id]
            ]);
            $loadData = $discountIterator->fetch();
            if (empty($loadData))
                return false;
            $discount = array_merge($loadData, $discount);
            if (isset($discount['CONDITIONS_LIST']))
            {
                $discount['CONDITIONS'] = $discount['CONDITIONS_LIST'];
                unset($discount['CONDITIONS_LIST']);
            }
            if (isset($discount['MAX_DISCOUNT']))
            {
                $discount['MAX_VALUE'] = $discount['MAX_DISCOUNT'];
                unset($discount['MAX_DISCOUNT']);
            }
            unset($loadData, $discountIterator);
        }
        $discount['DISCOUNT_ID'] = $id;
        if (empty($discount['MODULE_ID']))
            $discount['MODULE_ID'] = 'catalog';
        if (array_key_exists('HANDLERS', $discount))
        {
            if (!empty($discount['HANDLERS']['MODULES']) && empty($discount['MODULES']))
                $discount['MODULES'] = $discount['HANDLERS']['MODULES'];
            unset($discount['HANDLERS']);
        }
        if (empty($discount['MODULES']))
        {
            $discount['MODULES'] = [];
 
            $conn = Main\Application::getConnection();
            $helper = $conn->getSqlHelper();
            $moduleIterator = $conn->query(
                'select MODULE_ID from '.$helper->quote('b_catalog_discount_module').' where '.$helper->quote('DISCOUNT_ID').' = '.$id
            );
            while ($module = $moduleIterator->fetch())
                $discount['MODULES'][] = $module['MODULE_ID'];
            unset($module, $moduleIterator, $helper, $conn);
            if (!in_array('catalog', $discount['MODULES']))
                $discount['MODULES'][] = 'catalog';
        }
        self::$typeCache[$id] = $discount['TYPE'];
 
        return $discount;
    }
 
    protected static function prepareEntity($entityList)
    {
        $result = [
            'iblockFields' => [],
            'sections' => false,
            'iblockProperties' => [],
            'iblockPropertiesMap' => [],
            'catalogFields' => [],
            'priceFields' => []
        ];
 
        if (!is_array($entityList))
            return false;
 
        if (empty($entityList['catalog']))
            return $result;
 
        if (!empty($entityList['catalog']))
        {
            if (!empty($entityList['catalog']['ELEMENT']) && is_array($entityList['catalog']['ELEMENT']))
            {
                foreach ($entityList['catalog']['ELEMENT'] as $entity)
                {
                    if ($entity['FIELD_ENTITY'] == 'SECTION_ID')
                    {
                        $result['sections'] = true;
                        continue;
                    }
                    $result['iblockFields'][$entity['FIELD_TABLE']] = $entity['FIELD_ENTITY'];
                }
                unset($entity);
            }
            if (!empty($entityList['catalog']['ELEMENT_PROPERTY']) && is_array($entityList['catalog']['ELEMENT_PROPERTY']))
            {
                foreach ($entityList['catalog']['ELEMENT_PROPERTY'] as $entity)
                {
                    $propertyData = explode(':', $entity['FIELD_TABLE']);
                    if (!is_array($propertyData) || count($propertyData) != 2)
                        continue;
                    $iblock = (int)$propertyData[0];
                    $property = (int)$propertyData[1];
                    unset($propertyData);
                    if (!isset($result['iblockProperties'][$iblock]))
                        $result['iblockProperties'][$iblock] = [];
                    $result['iblockProperties'][$iblock][] = $property;
                    if (!isset($result['iblockPropertiesMap'][$iblock]))
                        $result['iblockPropertiesMap'][$iblock] = [];
                    $result['iblockPropertiesMap'][$iblock][$property] = $entity['FIELD_ENTITY'];
                }
                unset($iblock, $property, $entity);
            }
 
            if (!empty($entityList['catalog']['PRODUCT']) && is_array($entityList['catalog']['PRODUCT']))
            {
                foreach ($entityList['catalog']['PRODUCT'] as $entity)
                    $result['catalogFields'][$entity['FIELD_TABLE']] = $entity['FIELD_ENTITY'];
                unset($entity);
            }
 
            if (!empty($entityList['catalog']['PRICE']) && is_array($entityList['catalog']['PRICE']))
            {
                foreach ($entityList['catalog']['PRICE'] as $entity)
                    $result['priceFields'][$entity['FIELD_TABLE']] = $entity['FIELD_ENTITY'];
                unset($entity);
            }
        }
 
        return $result;
    }
 
    protected static function getProductIblocks(array $productList): array
    {
        $result = [
            'iblockElement' => [],
            'iblockList' => [],
            'skuIblockList' => []
        ];
 
        if (empty($productList))
            return $result;
 
        $elementIterator = Iblock\ElementTable::getList([
            'select' => ['ID', 'IBLOCK_ID'],
            'filter' => ['@ID' => $productList]
        ]);
        while ($element = $elementIterator->fetch())
        {
            $element['ID'] = (int)$element['ID'];
            $element['IBLOCK_ID'] = (int)$element['IBLOCK_ID'];
            if (!isset($result['iblockElement'][$element['IBLOCK_ID']]))
                $result['iblockElement'][$element['IBLOCK_ID']] = [];
            $result['iblockElement'][$element['IBLOCK_ID']][] = $element['ID'];
        }
        unset($element, $elementIterator);
        if (!empty($result['iblockElement']))
        {
            $result['iblockList'] = array_keys($result['iblockElement']);
 
            $skuIterator = Catalog\CatalogIblockTable::getList([
                'select' => ['IBLOCK_ID', 'PRODUCT_IBLOCK_ID', 'SKU_PROPERTY_ID'],
                'filter' => ['@IBLOCK_ID' => $result['iblockList'], '!=PRODUCT_IBLOCK_ID' => 0]
            ]);
            while ($sku = $skuIterator->fetch())
            {
                $sku['IBLOCK_ID'] = (int)$sku['IBLOCK_ID'];
                $sku['PRODUCT_IBLOCK_ID'] = (int)$sku['PRODUCT_IBLOCK_ID'];
                $sku['SKU_PROPERTY_ID'] = (int)$sku['SKU_PROPERTY_ID'];
                $result['skuIblockList'][$sku['IBLOCK_ID']] = $sku;
            }
            unset($sku, $skuIterator);
        }
 
        return $result;
    }
 
    protected static function fillProductPropertyList(array &$entityData, array $iblockData): void
    {
        $entityData['needProperties'] = [];
        if (!empty($entityData['iblockProperties']) && !empty($iblockData['iblockList']))
        {
            foreach ($iblockData['iblockList'] as $iblock)
            {
                if (!empty($entityData['iblockProperties'][$iblock]))
                    $entityData['needProperties'][$iblock] = $entityData['iblockProperties'][$iblock];
            }
            unset($iblock);
        }
        if (!empty($iblockData['skuIblockList']))
        {
            foreach ($iblockData['skuIblockList'] as $skuData)
            {
                if (!isset($entityData['needProperties'][$skuData['IBLOCK_ID']]))
                    $entityData['needProperties'][$skuData['IBLOCK_ID']] = [];
                $entityData['needProperties'][$skuData['IBLOCK_ID']][] = $skuData['SKU_PROPERTY_ID'];
                $entityData['iblockPropertiesMap'][$skuData['IBLOCK_ID']][$skuData['SKU_PROPERTY_ID']] = 'PARENT_ID';
                if (!empty($entityData['iblockProperties'][$skuData['PRODUCT_IBLOCK_ID']]))
                    $entityData['needProperties'][$skuData['PRODUCT_IBLOCK_ID']] = $entityData['iblockProperties'][$skuData['PRODUCT_IBLOCK_ID']];
            }
            unset($skuData);
        }
    }
 
    protected static function convertProperties(&$productData, $propertyValues, $entityData, $iblockData): void
    {
        if (empty($productData) || !is_array($productData))
            return;
        if (empty($propertyValues) || !is_array($propertyValues))
            return;
        if (empty($entityData) || !is_array($entityData))
            return;
        if (empty($iblockData) || !is_array($iblockData))
            return;
 
        if (empty($entityData['needProperties']) || !is_array($entityData['needProperties']))
            return;
        $propertyIblocks = array_keys($entityData['needProperties']);
        foreach ($propertyIblocks as $iblock)
        {
            if (empty($iblockData['iblockElement'][$iblock]))
                continue;
            $propertyMap = $entityData['iblockPropertiesMap'][$iblock];
            foreach ($iblockData['iblockElement'][$iblock] as $element)
            {
                if (empty($propertyValues[$element]))
                    continue;
                foreach ($propertyValues[$element] as $property)
                {
                    if (empty($property) || empty($property['ID']))
                        continue;
                    if ($property['PROPERTY_TYPE'] == Iblock\PropertyTable::TYPE_FILE)
                        continue;
                    $property['ID'] = (int)$property['ID'];
                    if (empty($propertyMap[$property['ID']]))
                        continue;
                    $propertyKey = $propertyMap[$property['ID']];
                    $value = '';
 
                    $check = false;
                    if ($property['MULTIPLE'] == 'N')
                    {
                        if (!empty($property['USER_TYPE']))
                        {
                            switch($property['USER_TYPE'])
                            {
                                case 'DateTime':
                                case 'Date':
                                    $property['VALUE'] = (string)$property['VALUE'];
                                    if ($property['VALUE'] != '')
                                    {
                                        $propertyFormat = false;
                                        if ($property['USER_TYPE'] == 'DateTime')
                                        {
                                            if (defined('FORMAT_DATETIME'))
                                                $propertyFormat = FORMAT_DATETIME;
                                        }
                                        else
                                        {
                                            if (defined('FORMAT_DATE'))
                                                $propertyFormat = FORMAT_DATE;
                                        }
                                        $intStackTimestamp = (int)$property['VALUE'];
                                        $property['VALUE'] = (
                                            $intStackTimestamp.'!' != $property['VALUE'].'!'
                                            ? (int)MakeTimeStamp($property['VALUE'], $propertyFormat)
                                            : $intStackTimestamp
                                        );
                                    }
                                    $value = $property['VALUE'];
                                    $check = true;
                                    break;
                            }
                        }
                        if (!$check)
                        {
                            switch ($property['PROPERTY_TYPE'])
                            {
                                case Iblock\PropertyTable::TYPE_LIST:
                                    $property['VALUE_ENUM_ID'] = (int)$property['VALUE_ENUM_ID'];
                                    $value = ($property['VALUE_ENUM_ID'] > 0 ? $property['VALUE_ENUM_ID'] : -1);
                                    break;
                                case Iblock\PropertyTable::TYPE_ELEMENT:
                                case Iblock\PropertyTable::TYPE_SECTION:
                                    $property['VALUE'] = (int)$property['VALUE'];
                                    $value = ($property['VALUE'] > 0 ? $property['VALUE'] : -1);
                                    break;
                                default:
                                    $value = $property['VALUE'];
                                    break;
                            }
                        }
                    }
                    else
                    {
                        $value = [];
                        if (!empty($property['USER_TYPE']))
                        {
                            switch($property['USER_TYPE'])
                            {
                                case 'DateTime':
                                case 'Date':
                                    if (!empty($property['VALUE']) && is_array($property['VALUE']))
                                    {
                                        $propertyFormat = false;
                                        if ($property['USER_TYPE'] == 'DateTime')
                                        {
                                            if (defined('FORMAT_DATETIME'))
                                                $propertyFormat = FORMAT_DATETIME;
                                        }
                                        else
                                        {
                                            if (defined('FORMAT_DATE'))
                                                $propertyFormat = FORMAT_DATE;
                                        }
                                        foreach ($property['VALUE'] as &$oneValue)
                                        {
                                            $oneValue = (string)$oneValue;
                                            if ('' != $oneValue)
                                            {
                                                $intStackTimestamp = (int)$oneValue;
                                                if ($intStackTimestamp.'!' != $oneValue.'!')
                                                    $oneValue = (int)MakeTimeStamp($oneValue, $propertyFormat);
                                                else
                                                    $oneValue = $intStackTimestamp;
                                            }
                                            $value[] = $oneValue;
                                        }
                                        unset($oneValue, $propertyFormat);
                                    }
                                    $check = true;
                                    break;
                            }
                        }
                        if (!$check)
                        {
                            switch ($property['PROPERTY_TYPE'])
                            {
                                case Iblock\PropertyTable::TYPE_LIST:
                                    if (!empty($property['VALUE_ENUM_ID']) && is_array($property['VALUE_ENUM_ID']))
                                    {
                                        foreach ($property['VALUE_ENUM_ID'] as &$oneValue)
                                        {
                                            $oneValue = (int)$oneValue;
                                            if ($oneValue > 0)
                                                $value[] = $oneValue;
                                        }
                                        unset($oneValue);
                                    }
                                    if (empty($value))
                                        $value = [-1];
                                    break;
                                case Iblock\PropertyTable::TYPE_ELEMENT:
                                case Iblock\PropertyTable::TYPE_SECTION:
                                    if (!empty($property['VALUE']) && is_array($property['VALUE']))
                                    {
                                        foreach ($property['VALUE'] as &$oneValue)
                                        {
                                            $oneValue = (int)$oneValue;
                                            if ($oneValue > 0)
                                                $value[] = $oneValue;
                                        }
                                        unset($oneValue);
                                    }
                                    if (empty($value))
                                        $value = [-1];
                                    break;
                                default:
                                    $value = $property['VALUE'];
                                    break;
                            }
                        }
                    }
                    $productData[$element][$propertyKey] = (is_array($value) ? $value : [$value]);
                }
            }
            unset($element);
        }
        unset($iblock);
    }
 
    protected static function fillEmptyProperties(array &$propertyValues, int $iblockId, array $itemIds, array $propertyIds): void
    {
        if ($iblockId <= 0 || empty($itemIds) || empty($propertyIds))
        {
            return;
        }
        $propertyList = [];
        $iterator = Iblock\PropertyTable::getList([
            'select' => ['ID', 'PROPERTY_TYPE', 'MULTIPLE', 'USER_TYPE'],
            'filter' => ['=IBLOCK_ID' => $iblockId, '@ID' => $propertyIds]
        ]);
        while ($row = $iterator->fetch())
        {
            $id = (int)$row['ID'];
            $multiple = ($row['MULTIPLE'] == 'Y');
            if ($multiple)
            {
                $row = $row
                    + [
                        'VALUE_ENUM' => null,
                        'VALUE_XML_ID' => null,
                        'VALUE_SORT' => null,
                        'VALUE' => false,
                        'PROPERTY_VALUE_ID' => false,
                        'DESCRIPTION' => false,
                        '~DESCRIPTION' => false,
                        '~VALUE' => false
                    ];
            }
            else
            {
                $row = $row
                    + [
                        'VALUE_ENUM' => null,
                        'VALUE_XML_ID' => null,
                        'VALUE_SORT' => null,
                        'VALUE' => '',
                        'PROPERTY_VALUE_ID' => null,
                        'DESCRIPTION' => '',
                        '~DESCRIPTION' => '',
                        '~VALUE' => '',
                    ];
            }
            if ($row['PROPERTY_TYPE'] == Iblock\PropertyTable::TYPE_LIST)
            {
                $row['VALUE_ENUM_ID'] = ($multiple ? false : null);
            }
 
            $propertyList[$id] = $row;
        }
        unset($row, $iterator);
 
        foreach ($itemIds as $id)
        {
            if (!empty($propertyValues[$id]))
            {
                continue;
            }
            $propertyValues[$id] = $propertyList;
        }
        unset($propertyList);
    }
 
    protected static function getParentProducts(&$productData, $entityData, $iblockData): void
    {
        if (empty($iblockData['skuIblockList']))
            return;
        if (empty($productData) || !is_array($productData))
            return;
        $parentMap = [];
        $parentData = [];
        $parentIblockData = [
            'iblockElement' => [],
            'iblockList' => []
        ];
        if (!empty($entityData['iblockFields']))
        {
            foreach ($entityData['iblockFields'] as &$value)
                $value = 'PARENT_'.$value;
        }
        if (array_key_exists('catalogFields', $entityData))
            unset($entityData['catalogFields']);
        foreach ($iblockData['skuIblockList'] as $skuData)
        {
            if (empty($iblockData['iblockElement'][$skuData['IBLOCK_ID']]))
                continue;
            foreach ($iblockData['iblockElement'][$skuData['IBLOCK_ID']] as $element)
            {
                if (empty($productData[$element]['PARENT_ID']))
                    continue;
                $parentId = (int)(
                    is_array($productData[$element]['PARENT_ID'])
                    ? current($productData[$element]['PARENT_ID'])
                    : $productData[$element]['PARENT_ID']
                );
                if ($parentId <= 0)
                    continue;
                if (!isset($parentMap[$parentId]))
                    $parentMap[$parentId] = [];
                $parentMap[$parentId][] = $element;
                $parentData[$parentId] = [];
                if (!isset($parentIblockData['iblockElement'][$skuData['PRODUCT_IBLOCK_ID']]))
                    $parentIblockData['iblockElement'][$skuData['PRODUCT_IBLOCK_ID']] = [];
                $parentIblockData['iblockElement'][$skuData['PRODUCT_IBLOCK_ID']][] = $parentId;
            }
            unset($parentId, $element);
        }
        unset($skuData);
        if (empty($parentIblockData['iblockElement']))
            return;
        $parentIblockData['iblockList'] = array_keys($parentIblockData['iblockElement']);
 
        self::getProductData($parentData, $entityData, $parentIblockData);
 
        foreach ($parentData as $parentId => $data)
        {
            $parentSections = [];
            if ($entityData['sections'])
            {
                $parentSections = $data['SECTION_ID'];
                unset($data['SECTION_ID']);
            }
            if(!isset($parentMap[$parentId]))
            {
                continue;
            }
            foreach ($parentMap[$parentId] as $element)
            {
                $productData[$element] = array_merge($productData[$element], $data);
                if ($entityData['sections'])
                {
                    $productData[$element]['SECTION_ID'] = (
                        empty($productData['SECTION_ID'])
                        ? $parentSections
                        : array_merge($productData[$element]['SECTION_ID'], $parentSections)
                    );
                }
            }
            unset($element, $parentSections);
        }
        unset($parentId, $data);
    }
 
    protected static function loadIblockFields(array $productIds, array $fields): array
    {
        if (isset($fields['DATE_ACTIVE_FROM']))
        {
            $fields['ACTIVE_FROM'] = $fields['DATE_ACTIVE_FROM'];
            unset($fields['DATE_ACTIVE_FROM']);
        }
        if (isset($fields['DATE_ACTIVE_TO']))
        {
            $fields['ACTIVE_TO'] = $fields['DATE_ACTIVE_TO'];
            unset($fields['DATE_ACTIVE_TO']);
        }
 
        $productData = [];
 
        \CTimeZone::Disable();
        $elementIterator = Iblock\ElementTable::getList([
            'select' => array_merge(['ID'], array_keys($fields)),
            'filter' => ['@ID' => $productIds]
        ]);
        while ($element = $elementIterator->fetch())
        {
            $element['ID'] = (int)$element['ID'];
            foreach ($fields as $key => $alias)
            {
                if ($element[$key] instanceof Main\Type\DateTime)
                    $productData[$element['ID']][$alias] = $element[$key]->getTimestamp();
                else
                    $productData[$element['ID']][$alias] = $element[$key];
            }
        }
        \CTimeZone::Enable();
 
        return $productData;
    }
 
    protected static function loadSections(array $productIds): array
    {
        $productSection = array_fill_keys($productIds, []);
        $elementSectionIterator = Iblock\SectionElementTable::getList([
            'select' => ['*'],
            'filter' => ['@IBLOCK_ELEMENT_ID' => $productIds]
        ]);
        while ($elementSection = $elementSectionIterator->fetch())
        {
            $elementSection['IBLOCK_ELEMENT_ID'] = (int)$elementSection['IBLOCK_ELEMENT_ID'];
            $elementSection['IBLOCK_SECTION_ID'] = (int)$elementSection['IBLOCK_SECTION_ID'];
            $elementSection['ADDITIONAL_PROPERTY_ID'] = (int)$elementSection['ADDITIONAL_PROPERTY_ID'];
            if ($elementSection['ADDITIONAL_PROPERTY_ID'] > 0)
                continue;
            $productSection[$elementSection['IBLOCK_ELEMENT_ID']][$elementSection['IBLOCK_SECTION_ID']] = true;
            $parentSectionIterator = \CIBlockSection::GetNavChain(0, $elementSection['IBLOCK_SECTION_ID'], ['ID']);
            while ($parentSection = $parentSectionIterator->fetch())
            {
                $parentSection['ID'] = (int)$parentSection['ID'];
                $productSection[$elementSection['IBLOCK_ELEMENT_ID']][$parentSection['ID']] = true;
            }
            unset($parentSection, $parentSectionIterator);
        }
        unset($elementSection, $elementSectionIterator);
 
        return $productSection;
    }
 
    protected static function loadCatalogFields(array $productIds, array $fields): array
    {
        $productData = [];
 
        $productIterator = Catalog\ProductTable::getList([
            'select' => array_merge(['ID'], array_keys($fields)),
            'filter' => ['@ID' => $productIds]
        ]);
        while ($product = $productIterator->fetch())
        {
            $product['ID'] = (int)$product['ID'];
            foreach ($fields as $key => $alias)
            {
                $productData[$product['ID']][$alias] = $product[$key];
            }
        }
 
        return $productData;
    }
 
    protected static function fillProperties(array &$productData, array $productIds, array $iblockData, array $entityData)
    {
        $propertyValues = array_fill_keys($productIds, []);
        foreach ($entityData['needProperties'] as $iblock => $propertyList)
        {
            if (empty($iblockData['iblockElement'][$iblock]))
            {
                continue;
            }
 
            $needToLoad = array_fill_keys($iblockData['iblockElement'][$iblock], true);
            if(self::$productProperties)
            {
                foreach ($iblockData['iblockElement'][$iblock] as $productId)
                {
                    $allExist = true;
                    foreach ($propertyList as $prop)
                    {
                        $propData = self::getCachedProductProperty($productId, $prop);
                        if (!empty($propData))
                        {
                            $propertyValues[$productId][$propData['ID']] = $propData;
                        }
                        else
                        {
                            $allExist = false;
                            break;
                        }
                    }
                    unset($prop);
                    if (!$allExist)
                    {
                        // if property value is not exist
                        $propertyValues[$productId] = [];
                    }
                    else
                    {
                        unset($needToLoad[$productId]);
                    }
                    unset($allExist);
                }
            }
 
            if(!empty($needToLoad))
            {
                $needProductIds = array_keys($needToLoad);
                sort($needProductIds);
                $iblockPropertyValues = array_fill_keys($needProductIds, []);
 
                \CTimeZone::Disable();
                foreach (array_chunk($needProductIds, 500) as $pageIds)
                {
                    $filter = [
                        'ID' => $pageIds,
                        'IBLOCK_ID' => $iblock
                    ];
 
                    \CIBlockElement::GetPropertyValuesArray(
                        $iblockPropertyValues,
                        $iblock,
                        $filter,
                        ['ID' => $propertyList],
                        [
                            'USE_PROPERTY_ID' => 'Y',
                            'PROPERTY_FIELDS' => ['ID', 'PROPERTY_TYPE', 'MULTIPLE', 'USER_TYPE']
                        ]
                    );
                    foreach ($iblockPropertyValues as $productId => $data)
                    {
                        if (!empty($data))
                        {
                            $propertyValues[$productId] = $data;
                            unset($needToLoad[$productId]);
                        }
                    }
                    unset($productId, $data);
                }
                unset($pageIds);
                \CTimeZone::Enable();
                unset($iblockPropertyValues, $needProductIds);
 
                if (!empty($needToLoad))
                {
                    self::fillEmptyProperties($propertyValues, $iblock, array_keys($needToLoad), $propertyList);
                }
            }
        }
 
        self::convertProperties($productData, $propertyValues, $entityData, $iblockData);
    }
 
    protected static function getProductData(&$productData, $entityData, $iblockData): void
    {
        if (!empty($iblockData['iblockElement']))
        {
            $productList = array_keys($productData);
            if (!empty($entityData['iblockFields']))
            {
                foreach(self::loadIblockFields($productList, $entityData['iblockFields']) as $productId => $fields)
                {
                    $productData[$productId] = (
                        empty($productData[$productId])
                        ? $fields
                        : array_merge($productData[$productId], $fields)
                    );
                }
                unset($fields);
            }
            if ($entityData['sections'])
            {
                foreach(self::loadSections($productList) as $element => $sections)
                {
                    $productData[$element]['SECTION_ID'] = array_keys($sections);
                }
            }
            if (!empty($entityData['needProperties']))
            {
                self::fillProperties($productData, $productList, $iblockData, $entityData);
            }
            if (!empty($entityData['catalogFields']))
            {
                foreach(self::loadCatalogFields($productList, $entityData['catalogFields']) as $productId => $fields)
                {
                    $productData[$productId] = (
                        empty($productData[$productId])
                        ? $fields
                        : array_merge($productData[$productId], $fields)
                    );
                }
                unset($fields);
            }
            if (!empty($entityData['priceFields']) && !empty($entityData['priceData']))
            {
                foreach($entityData['priceData'] as $productId => $priceId)
                {
                    $productData[$productId]['CATALOG_GROUP_ID'] = $priceId;
                }
                unset($product, $productIterator);
            }
 
            if (!empty($iblockData['skuIblockList']))
                self::getParentProducts($productData, $entityData, $iblockData);
        }
    }
 
    protected static function createSaleAction(&$discount, $params): void
    {
        $data = [
            'TYPE' => $discount['VALUE_TYPE'],
            'VALUE' => $discount['VALUE'],
            'CURRENCY' => $discount['CURRENCY'],
            'USE_BASE_PRICE' => $params['USE_BASE_PRICE']
        ];
        if ($discount['TYPE'] == Catalog\DiscountTable::VALUE_TYPE_PERCENT)
            $data['MAX_VALUE'] = $discount['MAX_VALUE'];
 
        $action = '\Bitrix\Catalog\Discount\DiscountManager::applyDiscount('.$params['BASKET_ITEM'].', '.var_export($data, true).');';
        $discount['APPLICATION'] = 'function (&'.$params['BASKET_ITEM'].'){'.$action.'};';
        $discount['ACTIONS'] = $data;
        unset($action, $data);
 
        if (self::$saleIncluded === null)
            self::$saleIncluded = Loader::includeModule('sale');
        if (!self::$saleIncluded)
            return;
 
        $type = '';
        $descr = [
            'VALUE_ACTION' => (
                $discount['TYPE'] == Catalog\DiscountTable::TYPE_DISCOUNT_SAVE
                ? Sale\Discount\Formatter::VALUE_ACTION_CUMULATIVE
                : Sale\Discount\Formatter::VALUE_ACTION_DISCOUNT
            ),
            'VALUE' => $discount['VALUE']
        ];
        switch ($discount['VALUE_TYPE'])
        {
            case Catalog\DiscountTable::VALUE_TYPE_PERCENT:
                $type = (
                    $discount['MAX_VALUE'] > 0
                    ? Sale\Discount\Formatter::TYPE_LIMIT_VALUE
                    : Sale\Discount\Formatter::TYPE_VALUE
                );
                $descr['VALUE_TYPE'] = Sale\Discount\Formatter::VALUE_TYPE_PERCENT;
                if ($discount['MAX_VALUE'] > 0)
                {
                    $descr['LIMIT_TYPE'] = Sale\Discount\Formatter::LIMIT_MAX;
                    $descr['LIMIT_UNIT'] = $discount['CURRENCY'];
                    $descr['LIMIT_VALUE'] = $discount['MAX_VALUE'];
                }
                break;
            case Catalog\DiscountTable::VALUE_TYPE_FIX:
                $type = Sale\Discount\Formatter::TYPE_VALUE;
                $descr['VALUE_TYPE'] = Sale\Discount\Formatter::VALUE_TYPE_CURRENCY;
                $descr['VALUE_UNIT'] = $discount['CURRENCY'];
                break;
            case Catalog\DiscountTable::VALUE_TYPE_SALE:
                $type = Sale\Discount\Formatter::TYPE_FIXED;
                $descr['VALUE_UNIT'] = $discount['CURRENCY'];
                break;
        }
        $descrResult = Sale\Discount\Formatter::prepareRow($type, $descr);
        if ($descrResult !== null)
        {
            $discount['ACTIONS_DESCR'] = [
                'BASKET' => [
                    0 => $descrResult
                ]
            ];
        }
        unset($descrResult, $descr, $type);
    }
 
    protected static function fillProductPriceList(&$entityData, $priceIds)
    {
        $entityData['priceData'] = [];
        if(empty($entityData['priceFields']) || empty($priceIds))
        {
            return;
        }
 
        $priceData = [];
        $priceList = Catalog\PriceTable::getList([
            'select' => ['PRODUCT_ID', 'CATALOG_GROUP_ID'],
            'filter' => ['@ID' => $priceIds],
        ]);
        while($price = $priceList->fetch())
        {
            if(!isset($priceData[$price['PRODUCT_ID']]))
            {
                $priceData[$price['PRODUCT_ID']] = [];
            }
            $priceData[$price['PRODUCT_ID']] = $price['CATALOG_GROUP_ID'];
        }
 
        $entityData['priceData'] = $priceData;
    }
 
    protected static function roundValue($value, string $currency): float
    {
        if (self::$saleIncluded === null)
            self::$saleIncluded = Loader::includeModule('sale');
        if (self::$saleIncluded)
            return Sale\Discount\Actions::roundValue($value, $currency);
        else
            return roundEx($value, CATALOG_VALUE_PRECISION);
    }
 
    private static function getRoundResult(array $basketItem, array $roundData): array
    {
        $result = [
            'ROUND_RULE' => $roundData
        ];
        $result['PRICE'] = Catalog\Product\Price::roundValue(
            $basketItem['PRICE'],
            $roundData['ROUND_PRECISION'],
            $roundData['ROUND_TYPE']
        );
 
        if (isset($basketItem['BASE_PRICE']))
        {
            $result['DISCOUNT_PRICE'] = $basketItem['BASE_PRICE'] - $result['PRICE'];
        }
        else
        {
            if (!isset($result['DISCOUNT_PRICE']))
                $result['DISCOUNT_PRICE'] = 0;
            $result['DISCOUNT_PRICE'] += ($basketItem['PRICE'] - $result['PRICE']);
        }
 
        return $result;
    }
 
    private static function getPriceDataByPriceId($priceId)
    {
        foreach(self::$preloadedPriceData as $priceData)
        {
            if($priceData['ID'] == $priceId)
            {
                return $priceData;
            }
        }
 
        return null;
    }
 
    private static function getCachedProductProperty($productId, $propertyId)
    {
        if(!isset(self::$productProperties[$productId]))
        {
            return null;
        }
 
        foreach(self::$productProperties[$productId] as $props)
        {
            if($props['ID'] == $propertyId)
            {
                return $props;
            }
        }
 
        return null;
    }
}