com.liferay.akismet.hook.action.AkismetEditPageAction.java Source code

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Here is the source code for com.liferay.akismet.hook.action.AkismetEditPageAction.java

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/**
 * 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.akismet.hook.action;

import com.liferay.akismet.util.AkismetConstants;
import com.liferay.akismet.util.AkismetUtil;
import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.language.LanguageUtil;
import com.liferay.portal.kernel.servlet.SessionErrors;
import com.liferay.portal.kernel.servlet.SessionMessages;
import com.liferay.portal.kernel.struts.BaseStrutsPortletAction;
import com.liferay.portal.kernel.struts.StrutsPortletAction;
import com.liferay.portal.kernel.util.Constants;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.portal.kernel.workflow.WorkflowConstants;
import com.liferay.portal.security.auth.PrincipalException;
import com.liferay.portal.security.permission.ActionKeys;
import com.liferay.portal.security.permission.PermissionChecker;
import com.liferay.portal.security.permission.PermissionThreadLocal;
import com.liferay.portal.service.ServiceContext;
import com.liferay.portal.service.ServiceContextFactory;
import com.liferay.portal.theme.ThemeDisplay;
import com.liferay.portal.util.PortalUtil;
import com.liferay.portlet.wiki.model.WikiPage;
import com.liferay.portlet.wiki.service.WikiPageLocalServiceUtil;

import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortletConfig;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;
import javax.portlet.ResourceRequest;
import javax.portlet.ResourceResponse;

/**
 * @author Peter Shin
 */
public class AkismetEditPageAction extends BaseStrutsPortletAction {

    @Override
    public void processAction(StrutsPortletAction originalStrutsPortletAction, PortletConfig portletConfig,
            ActionRequest actionRequest, ActionResponse actionResponse) throws Exception {

        String cmd = ParamUtil.getString(actionRequest, Constants.CMD);

        if (cmd.equals("updateSummary")) {
            try {
                updateSummary(actionRequest, actionResponse);

                String redirect = PortalUtil.escapeRedirect(ParamUtil.getString(actionRequest, "redirect"));

                actionResponse.sendRedirect(redirect);
            } catch (PrincipalException pe) {
                throw pe;
            } catch (Exception e) {
                SessionErrors.add(actionRequest, e.getClass());
            }
        } else {
            originalStrutsPortletAction.processAction(portletConfig, actionRequest, actionResponse);
        }
    }

    @Override
    public String render(StrutsPortletAction originalStrutsPortletAction, PortletConfig portletConfig,
            RenderRequest renderRequest, RenderResponse renderResponse) throws Exception {

        return originalStrutsPortletAction.render(portletConfig, renderRequest, renderResponse);
    }

    @Override
    public void serveResource(StrutsPortletAction originalStrutsPortletAction, PortletConfig portletConfig,
            ResourceRequest resourceRequest, ResourceResponse resourceResponse) throws Exception {

        originalStrutsPortletAction.serveResource(portletConfig, resourceRequest, resourceResponse);
    }

    protected void checkPermission(long scopeGroupId) throws PortalException {
        PermissionChecker permissionChecker = PermissionThreadLocal.getPermissionChecker();

        if (!permissionChecker.hasPermission(scopeGroupId, "com.liferay.portlet.wiki", scopeGroupId,
                ActionKeys.ADD_NODE)) {

            throw new PrincipalException();
        }
    }

    protected void updateSummary(ActionRequest actionRequest, ActionResponse actionResponse)
            throws PortalException {

        ThemeDisplay themeDisplay = (ThemeDisplay) actionRequest.getAttribute(WebKeys.THEME_DISPLAY);

        checkPermission(themeDisplay.getScopeGroupId());

        long pageId = ParamUtil.getLong(actionRequest, "pageId");
        boolean spam = ParamUtil.getBoolean(actionRequest, "spam");

        WikiPage wikiPage = WikiPageLocalServiceUtil.getPageByPageId(pageId);

        WikiPage latestVersionWikiPage = AkismetUtil.getWikiPage(wikiPage.getNodeId(), wikiPage.getTitle(),
                wikiPage.getVersion(), false);

        String latestContent = null;
        double latestVersion = -1;

        if (latestVersionWikiPage != null) {
            latestContent = latestVersionWikiPage.getContent();
            latestVersion = latestVersionWikiPage.getVersion();
        }

        WikiPage previousVersionWikiPage = AkismetUtil.getWikiPage(wikiPage.getNodeId(), wikiPage.getTitle(),
                wikiPage.getVersion(), true);

        String previousContent = null;
        double previousVersion = -1;

        if (previousVersionWikiPage != null) {
            previousContent = previousVersionWikiPage.getContent();
            previousVersion = previousVersionWikiPage.getVersion();
        }

        String pattern = StringPool.BLANK;

        ServiceContext serviceContext = ServiceContextFactory.getInstance(actionRequest);

        if (spam) {
            pattern = "version-x-was-marked-as-spam";

            // Selected version

            wikiPage.setStatus(WorkflowConstants.STATUS_APPROVED);
            wikiPage.setSummary(AkismetConstants.WIKI_PAGE_PENDING_APPROVAL);

            wikiPage = WikiPageLocalServiceUtil.updateWikiPage(wikiPage);

            // Latest version

            if ((wikiPage.getVersion() >= latestVersion) && (previousVersionWikiPage != null)) {

                WikiPageLocalServiceUtil.revertPage(themeDisplay.getUserId(), wikiPage.getNodeId(),
                        wikiPage.getTitle(), previousVersion, serviceContext);
            }

            // Akismet

            if (AkismetUtil.isWikiEnabled(themeDisplay.getCompanyId())) {
                AkismetUtil.submitSpam(wikiPage);
            }
        } else {
            pattern = "version-x-was-marked-as-not-spam";

            // Selected version

            wikiPage.setStatus(WorkflowConstants.STATUS_APPROVED);
            wikiPage.setSummary(StringPool.BLANK);

            wikiPage = WikiPageLocalServiceUtil.updateWikiPage(wikiPage);

            // Latest version

            if ((latestContent != null) && ((previousContent == null) || latestContent.equals(previousContent))) {

                WikiPageLocalServiceUtil.revertPage(themeDisplay.getUserId(), wikiPage.getNodeId(),
                        wikiPage.getTitle(), wikiPage.getVersion(), serviceContext);
            } else {
                SessionMessages.add(actionRequest, "anotherUserHasMadeChanges");
            }

            // Akismet

            if (AkismetUtil.isWikiEnabled(themeDisplay.getCompanyId())) {
                AkismetUtil.submitHam(wikiPage);
            }
        }

        String value = LanguageUtil.format(themeDisplay.getLocale(), pattern, String.valueOf(wikiPage.getVersion()),
                false);

        SessionMessages.add(actionRequest, "requestProcessed", value);
    }

}