IncomingManager::importSections

public function importSections(): Result
{
	// In this case we can guess, they were deleted on the vendor side.
	$resultData = [
		'links' => [
			'updated' => [],
			'imported' => [],
			'skipped' => [],
		],
		'vendorSections' => [],
	];
	$result = new Result();

	$getResult = $this->getFactory()->getIncomingSectionManager()->getSections();
	if ($getResult->isSuccess())
	{
		$sections = $getResult->getData()['externalSyncSectionMap'];

		$mapper = $this->mapperFactory->getSection();
		/** @var SyncSection $syncSection */
		foreach ($sections as $syncSection)
		{
			$link = null;
			try {
				if ($link = $this->getSectionLinkByVendorId($syncSection->getSectionConnection()->getVendorSectionId()))
				{
					$resultData['linkedSectionIds'][] = $link->getSection()->getId();
					if (!$link->isActive())
					{
						$resultData['links']['skipped'][] = $link;
						continue;
					}
					if (
						!empty($syncSection->getAction() === 'updated')
						&& $syncSection->getSection()->getDateModified() > $link->getSection()->getDateModified()
					)
					{
						$section = $this->mergeSections($link->getSection(), $syncSection->getSection());
						$mapper->update($section, [
							'originalFrom' => $this->connection->getVendor()->getCode(),
						]);
						(new CoreMappersSectionConnection())->update($link);

						$resultData['importedSectionIds'][] = $link->getSection()->getId();
						$resultData['links']['updated'][] = $link;
					}
				}
				else
				{
					$link = $this->importSectionSimple(
						$syncSection->getSection(),
						$syncSection->getSectionConnection()->getVendorSectionId(),
						$syncSection->getSectionConnection()->getVersionId() ?? null,
						$syncSection->getSectionConnection()->isPrimary() ?? null,
					);
					$resultData['links']['imported'][] = $link;
				}
				if (!empty($link))
				{
					$resultData['importedSectionIds'][] = $link->getSection()->getId();
				}

			}
			catch (SystemException $e)
			{
				$resultData['sections'][$syncSection['id']] = Dictionary::SYNC_STATUS['failed'];
			}
		}

		return $result->setData($resultData);
	}
	else
	{
		$result->addErrors($getResult->getErrors());
		return $result;
	}
}