All::getCountFreeSlots

public function getCountFreeSlots(): int
{
	$result = 0;

	$res = ImOpenLinesQueue::getList([
		'select' => [
			'ID',
			'USER_ID'
		],
		'filter' => ['=CONFIG_ID' => $this->configLine['ID']],
		'order' => [
			'SORT' => 'ASC',
			'ID' => 'ASC'
		]
	]);

	while($queueUser = $res->fetch())
	{
		if($this->isOperatorActive($queueUser['USER_ID']) === true)
		{
			$result += ImOpenLinesQueue::getCountFreeSlotOperator($queueUser['USER_ID'], $this->configLine['ID']);
		}
	}

	return $result;
}