Strictly::getOperatorsQueue

public function getOperatorsQueue($currentOperator = 0): array
{
	$queueTime = $this->getQueueTime();

	$result = [
		'RESULT' => false,
		'OPERATOR_ID' => 0,
		'OPERATOR_LIST' => [],
		'DATE_QUEUE' => (new DateTime())->add($queueTime . ' SECONDS'),
		'QUEUE_HISTORY' => [],
	];

	$operators = [];
	$queueHistory = $this->session['QUEUE_HISTORY'];
	$operatorId = 0;
	$fullCountOperators = 0;

	$select = [
		'ID',
		'USER_ID'
	];

	$filter = ['=CONFIG_ID' => $this->config['ID']];
	$order = [
		'SORT' => 'ASC',
		'ID' => 'ASC'
	];

	$res = ImOpenLinesQueue::getList([
		'select' => $select,
		'filter' => $filter,
		'order' => $order
	]);

	while($queueUser = $res->fetch())
	{
		$fullCountOperators++;
		if($this->isOperatorAvailable($queueUser['USER_ID'], $currentOperator))
		{
			$operators[$queueUser['USER_ID']] = $queueUser;
		}
	}

	$this->processingEmptyQueue($this->config['ID'], $fullCountOperators);

	if(!empty($operators))
	{
		foreach ($operators as $operator)
		{
			if(!empty($queueHistory[$operator['USER_ID']]))
			{
				continue;
			}

			$operatorId = $operator['USER_ID'];

			break;
		}

		if(empty($operatorId))
		{
			$operatorId = reset($operators)['USER_ID'];
			$queueHistory = [$operatorId => true];
		}
		else
		{
			$queueHistory[$operatorId] = true;
		}

		$result = [
			'RESULT' => true,
			'OPERATOR_ID' => $operatorId,
			'OPERATOR_LIST' => [$operatorId],
			'DATE_QUEUE' => (new DateTime())->add($queueTime . ' SECONDS'),
			'QUEUE_HISTORY' => $queueHistory,
		];
	}

	return $result;
}