GroupStepper::execute

public function execute(array &$option)
{
	if (!Loader::includeModule(self::$moduleId))
	{
		return false;
	}

	try
	{
		$queue = $this->getQueue();
		$this->setQueue($queue);
		$queueOption = $this->getQueueOption();
		if (empty($queueOption))
		{
			$this->deleteQueueOption();
			return !$this->isQueueEmpty();
		}

		$groupId = ($queueOption["groupId"] ?: 0);
		$copiedGroupId = ($queueOption["copiedGroupId"] ?: 0);
		$iblockTypeId = ($queueOption["iblockTypeId"] ?: "");
		$errorOffset = ($queueOption["errorOffset"] ?: 0);

		$limit = 5;
		$offset = $this->getOffset($iblockTypeId, $copiedGroupId) + $errorOffset;

		$iblockIds = $this->getIblockIdsToCopy($iblockTypeId, $groupId);
		$count = count($iblockIds);
		$iblockIds = array_slice($iblockIds, $offset, $limit);
		$features = ($queueOption["features"] ?: []);

		if ($iblockIds)
		{
			$option["count"] = $count;

			$copyManager = new Manager($iblockTypeId, $iblockIds, $groupId);
			$copyManager->setTargetLocation($iblockTypeId, $copiedGroupId);
			$copyManager->setIblockImplementer(new Iblock());
			$copyManager->setFieldImplementer(new Field());
			$copyManager->setWorkflowImplementer(new Workflow($iblockTypeId));

			if (!in_array("field", $features))
			{
				$copyManager->removeFeature("field");
			}
			if (!in_array("section", $features))
			{
				$copyManager->removeFeature("section");
			}
			if (!in_array("element", $features))
			{
				$copyManager->removeFeature("element");
			}
			if (!in_array("workflow", $features))
			{
				$copyManager->removeFeature("workflow");
			}

			$result = $copyManager->startCopy();
			if (!$result->isSuccess())
			{
				$queueOption["errorOffset"] += $this->getErrorOffset($copyManager);
				$this->saveQueueOption($queueOption);
			}

			$option["steps"] = $offset;

			return true;
		}
		else
		{
			$this->deleteQueueOption();
			return !$this->isQueueEmpty();
		}
	}
	catch (Exception $exception)
	{
		$this->writeToLog($exception);
		$this->deleteQueueOption();
		return false;
	}
}