CVoxImplantIncoming::findCallToIntercept

static function findCallToIntercept($userId)
{
	$hourAgo = new FieldTypeDateTime();
	$hourAgo->add('-1 hour');
	$userId = (int)$userId;

	$row = VIModelCallTable::getRow([
		'select' => [
			'CALL_ID'
		],
		'filter' => [
			'>DATE_CREATE' => $hourAgo,
			'=STATUS' => VIModelCallTable::STATUS_WAITING,
			[
				'LOGIC' => 'OR',
				[
					'=QUEUE.ALLOW_INTERCEPT' => 'Y',
					'=QUEUE.BitrixVoximplantModelQueueUserTable:QUEUE.USER_ID' => $userId
				],
				[
					'INCOMING' => CVoxImplantMain::CALL_INCOMING,
					'@USER_ID' => new BitrixMainDBSqlExpression("
						SELECT 
							QU.USER_ID 
						FROM 
							b_voximplant_queue_user QU
							JOIN b_voximplant_queue Q ON Q.ID = QU.QUEUE_ID
						WHERE
							Q.ALLOW_INTERCEPT='Y'
							AND EXISTS(SELECT 'X' FROM b_voximplant_queue_user QU2 WHERE QU2.QUEUE_ID = Q.ID AND QU2.USER_ID = $userId)
					")
				]
			]
		],
	]);

	return $row ? $row['CALL_ID'] : false;
}