public List<KBArticle> getSectionsKBArticles(
      long groupId,
      String[] sections,
      int status,
      int start,
      int end,
      OrderByComparator orderByComparator)
      throws SystemException {

    String[] array = AdminUtil.escapeSections(sections);

    for (int i = 0; i < array.length; i++) {
      array[i] = StringUtil.quote(array[i], StringPool.PERCENT);
    }

    if (status == WorkflowConstants.STATUS_ANY) {
      return kbArticlePersistence.findByG_P_S_L(
          groupId,
          KBArticleConstants.DEFAULT_PARENT_RESOURCE_PRIM_KEY,
          array,
          true,
          start,
          end,
          orderByComparator);
    } else if (status == WorkflowConstants.STATUS_APPROVED) {
      return kbArticlePersistence.findByG_P_S_M(
          groupId,
          KBArticleConstants.DEFAULT_PARENT_RESOURCE_PRIM_KEY,
          array,
          true,
          start,
          end,
          orderByComparator);
    }

    return kbArticlePersistence.findByG_P_S_S(
        groupId,
        KBArticleConstants.DEFAULT_PARENT_RESOURCE_PRIM_KEY,
        array,
        status,
        start,
        end,
        orderByComparator);
  }
  public int getSectionsKBArticlesCount(long groupId, String[] sections, int status)
      throws SystemException {

    String[] array = AdminUtil.escapeSections(sections);

    for (int i = 0; i < array.length; i++) {
      array[i] = StringUtil.quote(array[i], StringPool.PERCENT);
    }

    if (status == WorkflowConstants.STATUS_ANY) {
      return kbArticlePersistence.countByG_P_S_L(
          groupId, KBArticleConstants.DEFAULT_PARENT_RESOURCE_PRIM_KEY, array, true);
    } else if (status == WorkflowConstants.STATUS_APPROVED) {
      return kbArticlePersistence.countByG_P_S_M(
          groupId, KBArticleConstants.DEFAULT_PARENT_RESOURCE_PRIM_KEY, array, true);
    }

    return kbArticlePersistence.countByG_P_S_S(
        groupId, KBArticleConstants.DEFAULT_PARENT_RESOURCE_PRIM_KEY, array, status);
  }
  protected Map<String, String> getEmailKBArticleDiffs(KBArticle kbArticle) {
    Map<String, String> emailKBArticleDiffs = new HashMap<String, String>();

    for (String param : new String[] {"content", "title"}) {
      String value = BeanPropertiesUtil.getString(kbArticle, param);

      try {
        value =
            AdminUtil.getKBArticleDiff(
                kbArticle.getResourcePrimKey(),
                kbArticle.getVersion() - 1,
                kbArticle.getVersion(),
                param);
      } catch (Exception e) {
        _log.error(e, e);
      }

      emailKBArticleDiffs.put(param, value);
    }

    return emailKBArticleDiffs;
  }
  public KBArticle updateKBArticle(
      long userId,
      long resourcePrimKey,
      String title,
      String content,
      String description,
      String[] sections,
      String dirName,
      ServiceContext serviceContext)
      throws PortalException, SystemException {

    // KB article

    User user = userPersistence.findByPrimaryKey(userId);
    int version = KBArticleConstants.DEFAULT_VERSION;
    int status = WorkflowConstants.STATUS_DRAFT;

    validate(title, content);

    KBArticle oldKBArticle = getLatestKBArticle(resourcePrimKey, WorkflowConstants.STATUS_ANY);

    long oldResourcePrimKey = oldKBArticle.getResourcePrimKey();
    long oldGroupId = oldKBArticle.getGroupId();
    Date oldCreateDate = oldKBArticle.getCreateDate();
    long oldRootResourcePrimKey = oldKBArticle.getRootResourcePrimKey();
    long oldParentResourcePrimKey = oldKBArticle.getParentResourcePrimKey();
    int oldVersion = oldKBArticle.getVersion();
    double oldPriority = oldKBArticle.getPriority();
    int oldViewCount = oldKBArticle.getViewCount();
    int oldStatus = oldKBArticle.getStatus();

    KBArticle kbArticle = null;

    if (oldStatus == WorkflowConstants.STATUS_APPROVED) {
      long kbArticleId = counterLocalService.increment();

      kbArticle = kbArticlePersistence.create(kbArticleId);
      version = oldVersion + 1;
    } else {
      kbArticle = oldKBArticle;
      version = oldVersion;
    }

    if (oldStatus == WorkflowConstants.STATUS_PENDING) {
      status = WorkflowConstants.STATUS_PENDING;
    }

    kbArticle.setResourcePrimKey(oldResourcePrimKey);
    kbArticle.setGroupId(oldGroupId);
    kbArticle.setCompanyId(user.getCompanyId());
    kbArticle.setUserId(user.getUserId());
    kbArticle.setUserName(user.getFullName());
    kbArticle.setCreateDate(oldCreateDate);
    kbArticle.setModifiedDate(serviceContext.getModifiedDate(null));
    kbArticle.setRootResourcePrimKey(oldRootResourcePrimKey);
    kbArticle.setParentResourcePrimKey(oldParentResourcePrimKey);
    kbArticle.setVersion(version);
    kbArticle.setTitle(title);
    kbArticle.setContent(content);
    kbArticle.setDescription(description);
    kbArticle.setPriority(oldPriority);
    kbArticle.setSections(StringUtil.merge(AdminUtil.escapeSections(sections)));
    kbArticle.setViewCount(oldViewCount);
    kbArticle.setLatest(true);
    kbArticle.setMain(false);
    kbArticle.setStatus(status);

    kbArticlePersistence.update(kbArticle, false);

    if (oldVersion < version) {
      oldKBArticle.setLatest(false);

      kbArticlePersistence.update(oldKBArticle, false);
    }

    // Resources

    if ((serviceContext.getGroupPermissions() != null)
        || (serviceContext.getGuestPermissions() != null)) {

      updateKBArticleResources(
          kbArticle, serviceContext.getGroupPermissions(), serviceContext.getGuestPermissions());
    }

    // Asset

    updateKBArticleAsset(
        userId, kbArticle, serviceContext.getAssetCategoryIds(), serviceContext.getAssetTagNames());

    // Attachments

    updateKBArticleAttachments(kbArticle, oldVersion, dirName, serviceContext);

    // Workflow

    WorkflowHandlerRegistryUtil.startWorkflowInstance(
        user.getCompanyId(),
        kbArticle.getGroupId(),
        userId,
        KBArticle.class.getName(),
        resourcePrimKey,
        kbArticle,
        serviceContext);

    return kbArticle;
  }
  protected void notifySubscribers(KBArticle kbArticle, ServiceContext serviceContext)
      throws PortalException, SystemException {

    if (Validator.isNull(serviceContext.getLayoutFullURL())) {
      return;
    }

    PortletPreferences preferences = ServiceContextUtil.getPortletPreferences(serviceContext);

    if (preferences == null) {
      long ownerId = kbArticle.getGroupId();
      int ownerType = PortletKeys.PREFS_OWNER_TYPE_GROUP;
      long plid = PortletKeys.PREFS_PLID_SHARED;
      String portletId = PortletKeys.KNOWLEDGE_BASE_ADMIN;
      String defaultPreferences = null;

      preferences =
          portletPreferencesLocalService.getPreferences(
              kbArticle.getCompanyId(), ownerId, ownerType, plid, portletId, defaultPreferences);
    }

    if (serviceContext.isCommandAdd() && !AdminUtil.getEmailKBArticleAddedEnabled(preferences)) {

      return;
    }

    if (serviceContext.isCommandUpdate()
        && !AdminUtil.getEmailKBArticleUpdatedEnabled(preferences)) {

      return;
    }

    String fromName = AdminUtil.getEmailFromName(preferences);
    String fromAddress = AdminUtil.getEmailFromAddress(preferences);

    String kbArticleContent =
        StringUtil.replace(
            kbArticle.getContent(),
            new String[] {"href=\"/", "src=\"/"},
            new String[] {
              "href=\"" + serviceContext.getPortalURL() + "/",
              "src=\"" + serviceContext.getPortalURL() + "/"
            });

    Map<String, String> kbArticleDiffs = getEmailKBArticleDiffs(kbArticle);

    for (String key : kbArticleDiffs.keySet()) {
      String value =
          StringUtil.replace(
              kbArticleDiffs.get(key),
              new String[] {"href=\"/", "src=\"/"},
              new String[] {
                "href=\"" + serviceContext.getPortalURL() + "/",
                "src=\"" + serviceContext.getPortalURL() + "/"
              });

      kbArticleDiffs.put(key, value);
    }

    String subject = null;
    String body = null;

    if (serviceContext.isCommandAdd()) {
      subject = AdminUtil.getEmailKBArticleAddedSubject(preferences);
      body = AdminUtil.getEmailKBArticleUpdatedBody(preferences);
    } else {
      subject = AdminUtil.getEmailKBArticleUpdatedSubject(preferences);
      body = AdminUtil.getEmailKBArticleUpdatedBody(preferences);
    }

    SubscriptionSender subscriptionSender = new AdminSubscriptionSender(kbArticle, serviceContext);

    subscriptionSender.setBody(body);
    subscriptionSender.setCompanyId(kbArticle.getCompanyId());
    subscriptionSender.setContextAttributes(
        "[$ARTICLE_CONTENT$]",
        kbArticleContent,
        "[$ARTICLE_CONTENT_DIFF$]",
        kbArticleDiffs.get("content"),
        "[$ARTICLE_TITLE$]",
        kbArticle.getTitle(),
        "[$ARTICLE_TITLE_DIFF$]",
        kbArticleDiffs.get("title"));
    subscriptionSender.setContextUserPrefix("ARTICLE");
    subscriptionSender.setFrom(fromAddress, fromName);
    subscriptionSender.setHtmlFormat(true);
    subscriptionSender.setMailId("kb_article", kbArticle.getKbArticleId());
    subscriptionSender.setPortletId(serviceContext.getPortletId());
    subscriptionSender.setReplyToAddress(fromAddress);
    subscriptionSender.setScopeGroupId(kbArticle.getGroupId());
    subscriptionSender.setSubject(subject);
    subscriptionSender.setUserId(kbArticle.getUserId());

    subscriptionSender.addPersistedSubscribers(KBArticle.class.getName(), kbArticle.getGroupId());
    subscriptionSender.addPersistedSubscribers(
        KBArticle.class.getName(), kbArticle.getResourcePrimKey());

    while (!kbArticle.isRoot()) {
      kbArticle =
          getLatestKBArticle(
              kbArticle.getParentResourcePrimKey(), WorkflowConstants.STATUS_APPROVED);

      subscriptionSender.addPersistedSubscribers(
          KBArticle.class.getName(), kbArticle.getResourcePrimKey());
    }

    subscriptionSender.flushNotificationsAsync();
  }
  public KBArticle addKBArticle(
      long userId,
      long parentResourcePrimKey,
      String title,
      String content,
      String description,
      String[] sections,
      String dirName,
      ServiceContext serviceContext)
      throws PortalException, SystemException {

    // KB article

    User user = userPersistence.findByPrimaryKey(userId);
    long groupId = serviceContext.getScopeGroupId();
    double priority = getPriority(groupId, parentResourcePrimKey);
    Date now = new Date();

    validate(title, content);

    long kbArticleId = counterLocalService.increment();

    long resourcePrimKey = counterLocalService.increment();

    long rootResourcePrimKey = getRootResourcePrimKey(resourcePrimKey, parentResourcePrimKey);

    KBArticle kbArticle = kbArticlePersistence.create(kbArticleId);

    kbArticle.setUuid(serviceContext.getUuid());
    kbArticle.setResourcePrimKey(resourcePrimKey);
    kbArticle.setGroupId(groupId);
    kbArticle.setCompanyId(user.getCompanyId());
    kbArticle.setUserId(user.getUserId());
    kbArticle.setUserName(user.getFullName());
    kbArticle.setCreateDate(serviceContext.getCreateDate(now));
    kbArticle.setModifiedDate(serviceContext.getModifiedDate(now));
    kbArticle.setRootResourcePrimKey(rootResourcePrimKey);
    kbArticle.setParentResourcePrimKey(parentResourcePrimKey);
    kbArticle.setVersion(KBArticleConstants.DEFAULT_VERSION);
    kbArticle.setTitle(title);
    kbArticle.setContent(content);
    kbArticle.setDescription(description);
    kbArticle.setPriority(priority);
    kbArticle.setSections(StringUtil.merge(AdminUtil.escapeSections(sections)));
    kbArticle.setViewCount(0);
    kbArticle.setLatest(true);
    kbArticle.setMain(false);
    kbArticle.setStatus(WorkflowConstants.STATUS_DRAFT);

    kbArticlePersistence.update(kbArticle, false);

    // Resources

    resourceLocalService.addModelResources(kbArticle, serviceContext);

    // Asset

    updateKBArticleAsset(
        userId, kbArticle, serviceContext.getAssetCategoryIds(), serviceContext.getAssetTagNames());

    // Attachments

    addKBArticleAttachments(kbArticle, dirName, serviceContext);

    // Workflow

    WorkflowHandlerRegistryUtil.startWorkflowInstance(
        user.getCompanyId(),
        groupId,
        userId,
        KBArticle.class.getName(),
        resourcePrimKey,
        kbArticle,
        serviceContext);

    return kbArticle;
  }
  protected PortletURL getKBArticleURL(
      long plid, boolean privateLayout, KBArticle kbArticle, HttpServletRequest request)
      throws Exception {

    PortletURL firstMatchPortletURL = null;

    List<Layout> layouts = getCandidateLayouts(plid, privateLayout, kbArticle);

    for (Layout layout : layouts) {
      LayoutTypePortlet layoutTypePortlet = (LayoutTypePortlet) layout.getLayoutType();

      List<Portlet> portlets = layoutTypePortlet.getAllPortlets();

      for (Portlet portlet : portlets) {
        String rootPortletId = PortletConstants.getRootPortletId(portlet.getPortletId());

        if (rootPortletId.equals(PortletKeys.KNOWLEDGE_BASE_DISPLAY)) {
          PortletPreferences portletPreferences =
              PortletPreferencesFactoryUtil.getPortletSetup(
                  layout, portlet.getPortletId(), StringPool.BLANK);

          long kbFolderClassNameId = PortalUtil.getClassNameId(KBFolderConstants.getClassName());

          long resourceClassNameId =
              GetterUtil.getLong(
                  portletPreferences.getValue("resourceClassNameId", null), kbFolderClassNameId);
          long resourcePrimKey =
              GetterUtil.getLong(
                  portletPreferences.getValue("resourcePrimKey", null),
                  KBFolderConstants.DEFAULT_PARENT_FOLDER_ID);

          if (resourceClassNameId == kbFolderClassNameId) {
            if (isParentFolder(resourcePrimKey, kbArticle.getKbFolderId())) {

              return getKBArticleURL(layout.getPlid(), portlet.getPortletId(), kbArticle, request);
            }
          } else if (resourcePrimKey == kbArticle.getResourcePrimKey()) {

            return getKBArticleURL(layout.getPlid(), portlet.getPortletId(), kbArticle, request);
          }

          if (firstMatchPortletURL == null) {
            firstMatchPortletURL =
                getKBArticleURL(layout.getPlid(), portlet.getPortletId(), kbArticle, request);
          }
        }

        if (rootPortletId.equals(PortletKeys.KNOWLEDGE_BASE_SECTION)) {
          PortletPreferences portletPreferences =
              PortletPreferencesFactoryUtil.getPortletSetup(
                  layout, portlet.getPortletId(), StringPool.BLANK);

          String[] kbArticlesSections =
              portletPreferences.getValues("kbArticlesSections", new String[0]);

          KBArticle rootKBArticle =
              KBArticleLocalServiceUtil.fetchLatestKBArticle(
                  kbArticle.getRootResourcePrimKey(), WorkflowConstants.STATUS_APPROVED);

          if (rootKBArticle == null) {
            continue;
          }

          String[] sections = AdminUtil.unescapeSections(rootKBArticle.getSections());

          for (String section : sections) {
            if (!ArrayUtil.contains(kbArticlesSections, section)) {
              continue;
            }

            return getKBArticleURL(layout.getPlid(), portlet.getPortletId(), kbArticle, request);
          }
        }

        if (rootPortletId.equals(PortletKeys.KNOWLEDGE_BASE_ARTICLE)) {
          PortletPreferences portletPreferences =
              PortletPreferencesFactoryUtil.getPortletSetup(
                  layout, portlet.getPortletId(), StringPool.BLANK);

          long resourcePrimKey =
              GetterUtil.getLong(portletPreferences.getValue("resourcePrimKey", null));

          KBArticle selKBArticle =
              KBArticleLocalServiceUtil.fetchLatestKBArticle(
                  resourcePrimKey, WorkflowConstants.STATUS_APPROVED);

          if (selKBArticle == null) {
            continue;
          }

          long rootResourcePrimKey = kbArticle.getRootResourcePrimKey();
          long selRootResourcePrimKey = selKBArticle.getRootResourcePrimKey();

          if (rootResourcePrimKey == selRootResourcePrimKey) {
            return getKBArticleURL(layout.getPlid(), portlet.getPortletId(), kbArticle, request);
          }

          if (firstMatchPortletURL == null) {
            firstMatchPortletURL =
                getKBArticleURL(layout.getPlid(), portlet.getPortletId(), kbArticle, request);
          }
        }
      }
    }

    return firstMatchPortletURL;
  }
  protected void notifySubscribers(KBComment kbComment, ServiceContext serviceContext)
      throws PortalException {

    PortletPreferences preferences =
        portletPreferencesLocalService.getPreferences(
            kbComment.getCompanyId(),
            kbComment.getGroupId(),
            PortletKeys.PREFS_OWNER_TYPE_GROUP,
            PortletKeys.PREFS_PLID_SHARED,
            PortletKeys.KNOWLEDGE_BASE_ADMIN,
            null);

    if (!AdminUtil.isSuggestionStatusChangeNotificationEnabled(
        kbComment.getStatus(), preferences)) {

      return;
    }

    String fromName = AdminUtil.getEmailFromName(preferences, serviceContext.getCompanyId());
    String fromAddress = AdminUtil.getEmailFromAddress(preferences, kbComment.getCompanyId());

    String subject =
        AdminUtil.getEmailKBArticleSuggestionNotificationSubject(
            kbComment.getStatus(), preferences);
    String body =
        AdminUtil.getEmailKBArticleSuggestionNotificationBody(kbComment.getStatus(), preferences);

    KBArticle kbArticle =
        kbArticleLocalService.getLatestKBArticle(
            kbComment.getClassPK(), WorkflowConstants.STATUS_APPROVED);

    String kbArticleContent =
        StringUtil.replace(
            kbArticle.getContent(),
            new String[] {"href=\"/", "src=\"/"},
            new String[] {
              "href=\"" + serviceContext.getPortalURL() + "/",
              "src=\"" + serviceContext.getPortalURL() + "/"
            });

    SubscriptionSender subscriptionSender = new AdminSubscriptionSender(kbArticle, serviceContext);

    subscriptionSender.setBody(body);
    subscriptionSender.setCompanyId(kbArticle.getCompanyId());
    subscriptionSender.setContextAttribute("[$ARTICLE_CONTENT$]", kbArticleContent, false);
    subscriptionSender.setContextAttribute("[$ARTICLE_TITLE$]", kbArticle.getTitle(), false);
    subscriptionSender.setContextAttribute("[$COMMENT_CONTENT$]", kbComment.getContent(), false);
    subscriptionSender.setContextUserPrefix("ARTICLE");
    subscriptionSender.setFrom(fromAddress, fromName);
    subscriptionSender.setHtmlFormat(true);
    subscriptionSender.setMailId("kb_article", kbArticle.getKbArticleId());
    subscriptionSender.setPortletId(serviceContext.getPortletId());
    subscriptionSender.setReplyToAddress(fromAddress);
    subscriptionSender.setScopeGroupId(kbArticle.getGroupId());
    subscriptionSender.setSubject(subject);
    subscriptionSender.setUserId(kbArticle.getUserId());

    User user = userLocalService.getUser(kbComment.getUserId());

    subscriptionSender.addRuntimeSubscribers(user.getEmailAddress(), user.getFullName());

    subscriptionSender.flushNotificationsAsync();
  }
  @Override
  protected void doImportStagedModel(PortletDataContext portletDataContext, KBArticle kbArticle)
      throws Exception {

    long userId = portletDataContext.getUserId(kbArticle.getUserUuid());

    if (kbArticle.getParentResourcePrimKey() != KBFolderConstants.DEFAULT_PARENT_FOLDER_ID) {

      if (kbArticle.getClassNameId() == kbArticle.getParentResourceClassNameId()) {

        StagedModelDataHandlerUtil.importReferenceStagedModels(
            portletDataContext, kbArticle, KBArticle.class);
      } else {
        StagedModelDataHandlerUtil.importReferenceStagedModels(
            portletDataContext, kbArticle, KBFolder.class);
      }
    }

    Map<Long, Long> kbArticleResourcePrimKeys =
        (Map<Long, Long>) portletDataContext.getNewPrimaryKeysMap(KBArticle.class);

    long parentResourcePrimKey =
        MapUtil.getLong(
            kbArticleResourcePrimKeys,
            kbArticle.getParentResourcePrimKey(),
            KBFolderConstants.DEFAULT_PARENT_FOLDER_ID);

    long resourcePrimaryKey =
        MapUtil.getLong(kbArticleResourcePrimKeys, kbArticle.getResourcePrimKey(), 0);

    if (parentResourcePrimKey == KBFolderConstants.DEFAULT_PARENT_FOLDER_ID) {

      Map<Long, Long> kbFolderResourcePrimKeys =
          (Map<Long, Long>) portletDataContext.getNewPrimaryKeysMap(KBFolder.class);

      parentResourcePrimKey =
          MapUtil.getLong(
              kbFolderResourcePrimKeys,
              kbArticle.getParentResourcePrimKey(),
              KBFolderConstants.DEFAULT_PARENT_FOLDER_ID);
    }

    String[] sections = AdminUtil.unescapeSections(kbArticle.getSections());

    ServiceContext serviceContext = portletDataContext.createServiceContext(kbArticle);

    KBArticle importedKBArticle = null;

    if (portletDataContext.isDataStrategyMirror()) {
      KBArticle existingKBArticle =
          KBArticleUtil.fetchByR_V(resourcePrimaryKey, kbArticle.getVersion());

      if (existingKBArticle == null) {
        existingKBArticle =
            fetchStagedModelByUuidAndGroupId(
                kbArticle.getUuid(), portletDataContext.getScopeGroupId());
      }

      if (existingKBArticle == null) {
        serviceContext.setUuid(kbArticle.getUuid());

        existingKBArticle =
            KBArticleLocalServiceUtil.fetchLatestKBArticle(
                resourcePrimaryKey, WorkflowConstants.STATUS_ANY);

        if (existingKBArticle == null) {
          importedKBArticle =
              KBArticleLocalServiceUtil.addKBArticle(
                  userId,
                  kbArticle.getParentResourceClassNameId(),
                  parentResourcePrimKey,
                  kbArticle.getTitle(),
                  kbArticle.getUrlTitle(),
                  kbArticle.getContent(),
                  kbArticle.getDescription(),
                  kbArticle.getSourceURL(),
                  sections,
                  null,
                  serviceContext);

          KBArticleLocalServiceUtil.updatePriority(
              importedKBArticle.getResourcePrimKey(), kbArticle.getPriority());
        } else {
          KBArticleLocalServiceUtil.updateKBArticle(
              userId,
              existingKBArticle.getResourcePrimKey(),
              kbArticle.getTitle(),
              kbArticle.getContent(),
              kbArticle.getDescription(),
              kbArticle.getSourceURL(),
              sections,
              null,
              null,
              serviceContext);

          KBArticleLocalServiceUtil.moveKBArticle(
              userId,
              existingKBArticle.getResourcePrimKey(),
              existingKBArticle.getParentResourceClassNameId(),
              parentResourcePrimKey,
              kbArticle.getPriority());

          importedKBArticle =
              KBArticleLocalServiceUtil.getLatestKBArticle(
                  existingKBArticle.getResourcePrimKey(), WorkflowConstants.STATUS_APPROVED);
        }
      } else {
        importedKBArticle = existingKBArticle;
      }
    } else {
      importedKBArticle =
          KBArticleLocalServiceUtil.addKBArticle(
              userId,
              kbArticle.getParentResourceClassNameId(),
              parentResourcePrimKey,
              kbArticle.getTitle(),
              kbArticle.getUrlTitle(),
              kbArticle.getContent(),
              kbArticle.getDescription(),
              kbArticle.getSourceURL(),
              sections,
              null,
              serviceContext);

      KBArticleLocalServiceUtil.updatePriority(
          importedKBArticle.getResourcePrimKey(), kbArticle.getPriority());
    }

    importKBArticleAttachments(portletDataContext, kbArticle, importedKBArticle);

    portletDataContext.importClassedModel(kbArticle, importedKBArticle);

    if (!kbArticle.isMain()) {
      kbArticleResourcePrimKeys.put(
          kbArticle.getResourcePrimKey(), importedKBArticle.getResourcePrimKey());
    }
  }