Call::searchActive

static function searchActive($type, $provider, $entityType, $entityId, $currentUserId = 0)
{
	if (!$currentUserId)
	{
		$currentUserId = BitrixImUser::getInstance()->getId();
	}
	$query = CallTable::query()
		->addSelect("*")
		->where("TYPE", $type)
		->where("PROVIDER", $provider)
		->where("ENTITY_TYPE", $entityType)
		->whereNull("END_DATE")
		->setOrder(["ID" => "DESC"])
		->setLimit(1);

	if ($entityType === EntityType::CHAT && strpos($entityId, "chat") !== 0)
	{
		$query->where("INITIATOR_ID", $entityId);
		$query->where("ENTITY_ID", $currentUserId);
	}
	else
	{
		$query->where("ENTITY_ID", $entityId);
	}

	$callFields = $query->exec()->fetch();

	if(!$callFields)
	{
		return null;
	}

	$instance = static::createWithArray($callFields);
	if($instance->hasActiveUsers(false))
	{
		return $instance;
	}
	return null;
}