/**
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*/
package com.liferay.knowledgebase.util;
import com.liferay.knowledgebase.model.KBArticle;
import com.liferay.knowledgebase.model.KBFolder;
import com.liferay.knowledgebase.model.KBFolderConstants;
import com.liferay.knowledgebase.service.KBArticleLocalServiceUtil;
import com.liferay.knowledgebase.service.KBFolderServiceUtil;
import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.exception.SystemException;
import com.liferay.portal.kernel.util.GetterUtil;
import com.liferay.portal.kernel.workflow.WorkflowConstants;
import com.liferay.portal.util.PortalUtil;
import com.liferay.portlet.PortalPreferences;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import javax.portlet.PortletPreferences;
import javax.portlet.PortletRequest;
/**
* @author Adolfo PĂ©rez
*/
public class KBNavigationDisplayContext {
public KBNavigationDisplayContext(
PortletRequest portletRequest, PortalPreferences portalPreferences,
PortletPreferences portletPreferences, KBArticle kbArticle) {
_portletRequest = portletRequest;
_portalPreferences = portalPreferences;
_portletPreferences = portletPreferences;
_kbArticle = kbArticle;
}
public List<Long> getAncestorResourcePrimaryKeys()
throws PortalException, SystemException {
List<Long> ancestorResourcePrimaryKeys = new ArrayList<Long>();
if (_kbArticle != null) {
KBArticle latestKBArticle =
KBArticleLocalServiceUtil.getLatestKBArticle(
_kbArticle.getResourcePrimKey(),
WorkflowConstants.STATUS_APPROVED);
ancestorResourcePrimaryKeys =
latestKBArticle.getAncestorResourcePrimaryKeys();
Collections.reverse(ancestorResourcePrimaryKeys);
}
else {
ancestorResourcePrimaryKeys.add(
KBFolderConstants.DEFAULT_PARENT_FOLDER_ID);
}
return ancestorResourcePrimaryKeys;
}
public String getCurrentKBFolderURLTitle()
throws PortalException, SystemException {
String currentKBFolderURLTitle =
KnowledgeBaseUtil.getPreferredKBFolderURLTitle(
_portalPreferences, getContentRootPrefix());
long rootResourcePrimKey = getRootResourcePrimKey();
if (rootResourcePrimKey != KBFolderConstants.DEFAULT_PARENT_FOLDER_ID) {
KBFolder kbFolder = KBFolderServiceUtil.getKBFolder(
rootResourcePrimKey);
currentKBFolderURLTitle = kbFolder.getUrlTitle();
}
return currentKBFolderURLTitle;
}
public String getPageTitle() throws PortalException, SystemException {
long rootResourcePrimKey = getRootResourcePrimKey();
String pageTitle = null;
if (rootResourcePrimKey != KBFolderConstants.DEFAULT_PARENT_FOLDER_ID) {
KBFolder kbFolder = KBFolderServiceUtil.getKBFolder(
rootResourcePrimKey);
pageTitle = getContentRootPrefix() + " " + kbFolder.getName();
if (_kbArticle != null) {
pageTitle = _kbArticle.getTitle() + " - " + pageTitle;
}
}
else {
if (_kbArticle != null) {
pageTitle = _kbArticle.getTitle();
}
}
return pageTitle;
}
public long getRootResourcePrimKey()
throws PortalException, SystemException {
if (_rootResourcePrimKey == null) {
_rootResourcePrimKey = KBFolderConstants.DEFAULT_PARENT_FOLDER_ID;
if (_kbArticle != null) {
_rootResourcePrimKey = KnowledgeBaseUtil.getKBFolderId(
_kbArticle.getParentResourceClassNameId(),
_kbArticle.getParentResourcePrimKey());
}
if (_rootResourcePrimKey ==
KBFolderConstants.DEFAULT_PARENT_FOLDER_ID) {
_rootResourcePrimKey = KnowledgeBaseUtil.getRootResourcePrimKey(
_portletRequest,
PortalUtil.getScopeGroupId(_portletRequest),
getResourceClassNameId(), getResourcePrimKey());
}
}
return _rootResourcePrimKey;
}
public boolean isLeftNavigationVisible()
throws PortalException, SystemException {
if (_leftNavigationVisible == null) {
_leftNavigationVisible = hasMultipleDescendantKBArticles();
}
return _leftNavigationVisible;
}
public boolean isTopNavigationVisible()
throws PortalException, SystemException {
long kbFolderClassNameId = PortalUtil.getClassNameId(
KBFolderConstants.getClassName());
if ((getResourceClassNameId() == kbFolderClassNameId) &&
!isLeftNavigationVisible()) {
return true;
}
return false;
}
protected String getContentRootPrefix() {
return GetterUtil.getString(
_portletPreferences.getValue("contentRootPrefix", null));
}
protected long getResourceClassNameId() {
if (_resourceClassNameId == null) {
_resourceClassNameId = GetterUtil.getLong(
_portletPreferences.getValue("resourceClassNameId", null),
PortalUtil.getClassNameId(KBFolderConstants.getClassName()));
}
return _resourceClassNameId;
}
protected long getResourcePrimKey() {
if (_resourcePrimKey == null) {
_resourcePrimKey = GetterUtil.getLong(
_portletPreferences.getValue("resourcePrimKey", null));
}
return _resourcePrimKey;
}
protected boolean hasMultipleDescendantKBArticles()
throws PortalException, SystemException {
long scopeGroupId = PortalUtil.getScopeGroupId(_portletRequest);
long kbFolderClassNameId = PortalUtil.getClassNameId(
KBFolderConstants.getClassName());
if (getResourceClassNameId() == kbFolderClassNameId) {
List<KBFolder> kbFolders =
KnowledgeBaseUtil.getAlternateRootKBFolders(
scopeGroupId, getResourcePrimKey());
if (kbFolders.size() > 1) {
int maxKBArticlesCount = 0;
for (KBFolder kbFolder : kbFolders) {
int kbArticlesCount =
KBArticleLocalServiceUtil.getKBFolderKBArticlesCount(
scopeGroupId, kbFolder.getKbFolderId(),
WorkflowConstants.STATUS_APPROVED);
if (kbArticlesCount > maxKBArticlesCount) {
maxKBArticlesCount = kbArticlesCount;
}
}
if (maxKBArticlesCount > 1) {
return true;
}
return false;
}
}
boolean showNavigation = true;
long rootResourcePrimKey = getRootResourcePrimKey();
int kbArticlesCount = KBArticleLocalServiceUtil.getKBArticlesCount(
scopeGroupId, rootResourcePrimKey,
WorkflowConstants.STATUS_APPROVED);
if (kbArticlesCount == 0) {
showNavigation = false;
}
else if (kbArticlesCount == 1) {
List<KBArticle> kbArticles =
KBArticleLocalServiceUtil.getKBArticles(
scopeGroupId, rootResourcePrimKey,
WorkflowConstants.STATUS_APPROVED, 0, 1, null);
KBArticle navigationKBArticle = kbArticles.get(0);
int navigationKBArticleChildCount =
KBArticleLocalServiceUtil.getKBArticlesCount(
scopeGroupId, navigationKBArticle.getResourcePrimKey(),
WorkflowConstants.STATUS_APPROVED);
if (navigationKBArticleChildCount == 0) {
showNavigation = false;
}
}
return showNavigation;
}
private final KBArticle _kbArticle;
private Boolean _leftNavigationVisible;
private final PortalPreferences _portalPreferences;
private final PortletPreferences _portletPreferences;
private final PortletRequest _portletRequest;
private Long _resourceClassNameId;
private Long _resourcePrimKey;
private Long _rootResourcePrimKey;
}