CAllCrmInvoice::createOfferIBlocks

static function createOfferIBlocks()
{
	if (!Loader::includeModule('iblock'))
		return false;
	$quota = new \CDiskQuota();
	if(!$quota->checkDiskQuota([]))
		return false;
	if (!Loader::includeModule('catalog'))
		return true;

	$simpleCatalogs = [];
	$parentIblocks = [];
	$iterator = Catalog\CatalogIblockTable::getList([
		'select' => ['IBLOCK_ID', 'PRODUCT_IBLOCK_ID']
	]);
	while ($row = $iterator->fetch())
	{
		$row['IBLOCK_ID'] = (int)$row['IBLOCK_ID'];
		$row['PRODUCT_IBLOCK_ID'] = (int)$row['PRODUCT_IBLOCK_ID'];
		if ($row['PRODUCT_IBLOCK_ID'] > 0)
		{
			$parentIblocks[$row['PRODUCT_IBLOCK_ID']] = $row['PRODUCT_IBLOCK_ID'];
			continue;
		}
		$simpleCatalogs[$row['IBLOCK_ID']] = $row['IBLOCK_ID'];
	}
	unset($row, $iterator);

	foreach ($parentIblocks as $id)
	{
		if (isset($simpleCatalogs[$id]))
			unset($simpleCatalogs[$id]);
	}
	unset($id, $parentIblocks);

	if (empty($simpleCatalogs))
		return true;

	$iblockList = [];
	$iterator = Iblock\IblockTable::getList([
		'select' => ['ID', 'NAME', 'XML_ID', 'IBLOCK_TYPE_ID', 'SORT'],
		'filter' => ['@ID' => $simpleCatalogs],
		'order' => ['ID' => 'ASC']
	]);
	while ($row = $iterator->fetch())
	{
		$id = (int)$row['ID'];
		$row['LID'] = [];
		$iblockList[$id] = $row;
	}
	unset($row, $iterator);
	unset($simpleCatalogs);

	if (empty($iblockList))
		return true;

	$iterator = Iblock\IblockSiteTable::getList([
		'select' => ['IBLOCK_ID', 'SITE_ID'],
		'filter' => ['@IBLOCK_ID' => array_keys($iblockList)]
	]);
	while ($row = $iterator->fetch())
	{
		$id = (int)$row['IBLOCK_ID'];
		$iblockList[$id]['LID'][] = $row['SITE_ID'];
	}
	unset($row, $iterator);

	// get default vat
	$iterator = Catalog\VatTable::getList([
		'select' => ['ID', 'SORT'],
		'order' => ['SORT' => 'ASC'],
		'limit' => 1
	]);
	$vat = $iterator->fetch();
	unset($iterator);

	foreach ($iblockList as $id => $data)
	{
		$iblock = new \CIBlock();

		$fields = [
			'NAME' => Loc::getMessage('CRM_CATALOG_OFFERS_TITLE_FORMAT', ['#CATALOG#' => $data['NAME']]),
			'ACTIVE' => 'Y',
			'IBLOCK_TYPE_ID' => $data['IBLOCK_TYPE_ID'],
			'LID' => $data['LID'],
			'SORT' => $data['SORT'] + 10,
			'INDEX_ELEMENT' => 'N',
			'WORKFLOW' => 'N',
			'BIZPROC' => 'N',
			'VERSION' => 1,
			'GROUP_ID' => array(1 => 'X', 2 => 'R'),
			'LIST_MODE' => 'S'
		];
		$xmlId = $data['XML_ID'];
		if (strncmp($xmlId, 'crm_external_', 13) == 0)
			$xmlId = str_replace('crm_external_', 'crm_external_offers_', $xmlId);
		elseif ($xmlId = 'FUTURE-1C-CATALOG')
			$xmlId = 'FUTURE-1C-CATALOG-OFFERS';
		else
			$xmlId .= '_offers';
		$fields['XML_ID'] = $xmlId;
		unset($xmlId);

		$offersId = $iblock->Add($fields);
		if ($offersId === false)
			return false;
		$propertyId = \CIBlockPropertyTools::createProperty(
			$offersId,
			\CIBlockPropertyTools::CODE_SKU_LINK,
			['LINK_IBLOCK_ID' => $id]
		);
		if (!$propertyId)
			return false;
		$offersFields = [
			'IBLOCK_ID' => $offersId,
			'PRODUCT_IBLOCK_ID' => $id,
			'SKU_PROPERTY_ID' => $propertyId,
		];
		if (!empty($vat))
			$offersFields['VAT_ID'] = (int)$vat['ID'];

		if (!\CCatalog::Add($offersFields))
			return false;
	}
	unset($id, $data);
	unset($iblockList);

	return true;
}