Deal::getContactIds

protected function getContactIds(array $idList)
{
	$dealContactIds = [];
	$contactsRawData = DealContactTable::getList([
		'filter' => ['DEAL_ID' => $idList],
		'select' => ['DEAL_ID', 'CONTACT_ID']
	]);

	while ($contact = $contactsRawData->fetch())
	{
		$dealContactIds[$contact['DEAL_ID']][] = $contact['CONTACT_ID'];
	}
	return $dealContactIds;
}