Task::copyComments

private function copyComments(Container $parentContainer, int $taskId, int $copiedTaskId)
{
	if (!$this->commentCopier)
	{
		return new Result();
	}

	$dictionary = $parentContainer->getDictionary();
	if (empty($dictionary['FORUM_TOPIC_ID']))
	{
		return new Result();
	}

	$topicId = $dictionary['FORUM_TOPIC_ID'];

	$queryObject = TaskTable::getList([
		'filter' => ['ID' => $copiedTaskId],
		'select' => ['FORUM_TOPIC_ID'],
	]);
	if ($taskData = $queryObject->fetch())
	{
		$copiedTopicId = $taskData['FORUM_TOPIC_ID'];
	}
	else
	{
		return new Result();
	}

	$containerCollection = new ContainerCollection();

	$dictionary = new Dictionary(['XML_ID' => 'TASK_' . $copiedTaskId]);

	$queryObject = CForumMessage::getList([], ['TOPIC_ID' => $topicId]);
	while ($forumMessage = $queryObject->Fetch())
	{
		$container = new Container($forumMessage["ID"]);
		$container->setParentId($copiedTopicId);
		$container->setDictionary($dictionary);

		$containerCollection[] = $container;
	}

	$results = [];

	if (!$containerCollection->isEmpty())
	{
		$results[] = $this->commentCopier->copy($containerCollection);
	}

	$result = $this->getResult($results);

	if (!$result->getErrors())
	{
		$this->addSocnetLog(
			$copiedTaskId,
			$copiedTopicId,
			$this->commentCopier->getMapIdsByImplementer(
				CommentImplementer::class,
				$result->getData()
			)
		);
	}

	return $result;
}