Base::getBigDataServiceRequestParams

protected function getBigDataServiceRequestParams($type = '')
{
	$params = array(
		'uid' => ($_COOKIE['BX_USER_ID'] ?? ''),
		'aid' => MainAnalyticsCounter::getAccountId(),
		'count' => max($this->arParams['PAGE_ELEMENT_COUNT'] * 2, 30)
	);

	// random choices
	if ($type === 'any_similar')
	{
		$possible = array('similar_sell', 'similar_view', 'similar');
		$type = $possible[array_rand($possible)];
	}
	elseif ($type === 'any_personal')
	{
		$possible = array('bestsell', 'personal');
		$type = $possible[array_rand($possible)];
	}
	elseif ($type === 'any')
	{
		$possible = array('similar_sell', 'similar_view', 'similar', 'bestsell', 'personal');
		$type = $possible[array_rand($possible)];
	}

	// configure
	switch ($type)
	{
		case 'bestsell':
			$params['op'] = 'sim_domain_items';
			$params['type'] = 'order';
			$params['domain'] = MainContext::getCurrent()->getServer()->getHttpHost();
			break;
		case 'personal':
			$params['op'] = 'recommend';
			break;
		case 'similar_sell':
			$params['op'] = 'simitems';
			$params['eid'] = $this->arParams['RCM_PROD_ID'];
			$params['type'] = 'order';
			break;
		case 'similar_view':
			$params['op'] = 'simitems';
			$params['eid'] = $this->arParams['RCM_PROD_ID'];
			$params['type'] = 'view';
			break;
		case 'similar':
			$params['op'] = 'simitems';
			$params['eid'] = $this->arParams['RCM_PROD_ID'];
			break;
		default:
			$params['op'] = 'recommend';
	}

	$iblocks = array();

	if (!empty($this->storage['IBLOCK_PARAMS']))
	{
		$iblocks = array_keys($this->storage['IBLOCK_PARAMS']);
	}
	else
	{
		$iblockList = array();
		/* catalog */
		$iblockIterator = CatalogCatalogIblockTable::getList(array(
			'select' => array('IBLOCK_ID', 'PRODUCT_IBLOCK_ID')
		));
		while ($iblock = $iblockIterator->fetch())
		{
			$iblock['IBLOCK_ID'] = (int)$iblock['IBLOCK_ID'];
			$iblock['PRODUCT_IBLOCK_ID'] = (int)$iblock['PRODUCT_IBLOCK_ID'];
			$iblockList[$iblock['IBLOCK_ID']] = $iblock['IBLOCK_ID'];

			if ($iblock['PRODUCT_IBLOCK_ID'] > 0)
			{
				$iblockList[$iblock['PRODUCT_IBLOCK_ID']] = $iblock['PRODUCT_IBLOCK_ID'];
			}
		}

		/* iblock */
		$iblockIterator = IblockIblockSiteTable::getList(array(
			'select' => array('IBLOCK_ID'),
			'filter' => array('@IBLOCK_ID' => $iblockList, '=SITE_ID' => $this->getSiteId())
		));
		while ($iblock = $iblockIterator->fetch())
		{
			$iblocks[] = $iblock['IBLOCK_ID'];
		}
	}

	$params['ib'] = join('.', $iblocks);

	return $params;
}