001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portlet.wiki.social;
016    
017    import com.liferay.portal.kernel.util.HtmlUtil;
018    import com.liferay.portal.kernel.util.StringPool;
019    import com.liferay.portal.kernel.util.Validator;
020    import com.liferay.portal.security.permission.ActionKeys;
021    import com.liferay.portal.security.permission.PermissionChecker;
022    import com.liferay.portal.theme.ThemeDisplay;
023    import com.liferay.portlet.social.model.BaseSocialActivityInterpreter;
024    import com.liferay.portlet.social.model.SocialActivity;
025    import com.liferay.portlet.social.model.SocialActivityFeedEntry;
026    import com.liferay.portlet.wiki.model.WikiPage;
027    import com.liferay.portlet.wiki.model.WikiPageResource;
028    import com.liferay.portlet.wiki.service.WikiPageResourceLocalServiceUtil;
029    import com.liferay.portlet.wiki.service.permission.WikiPagePermission;
030    
031    /**
032     * @author Samuel Kong
033     * @author Ryan Park
034     */
035    public class WikiActivityInterpreter extends BaseSocialActivityInterpreter {
036    
037            public String[] getClassNames() {
038                    return _CLASS_NAMES;
039            }
040    
041            protected SocialActivityFeedEntry doInterpret(
042                            SocialActivity activity, ThemeDisplay themeDisplay)
043                    throws Exception {
044    
045                    PermissionChecker permissionChecker =
046                            themeDisplay.getPermissionChecker();
047    
048                    if (!WikiPagePermission.contains(
049                                    permissionChecker, activity.getClassPK(), ActionKeys.VIEW)) {
050    
051                            return null;
052                    }
053    
054                    String groupName = StringPool.BLANK;
055    
056                    if (activity.getGroupId() != themeDisplay.getScopeGroupId()) {
057                            groupName = getGroupName(activity.getGroupId(), themeDisplay);
058                    }
059    
060                    String creatorUserName = getUserName(
061                            activity.getUserId(), themeDisplay);
062    
063                    int activityType = activity.getType();
064    
065                    // Link
066    
067                    WikiPageResource pageResource =
068                            WikiPageResourceLocalServiceUtil.getPageResource(
069                                    activity.getClassPK());
070    
071                    String link =
072                            themeDisplay.getPortalURL() + themeDisplay.getPathMain() +
073                                    "/wiki/find_page?pageResourcePrimKey=" + activity.getClassPK();
074    
075                    // Title
076    
077                    String titlePattern = null;
078    
079                    if (activityType == WikiActivityKeys.ADD_PAGE) {
080                            titlePattern = "activity-wiki-add-page";
081                    }
082                    else if (activityType == WikiActivityKeys.UPDATE_PAGE) {
083                            titlePattern = "activity-wiki-update-page";
084                    }
085    
086                    if (Validator.isNotNull(groupName)) {
087                            titlePattern += "-in";
088                    }
089    
090                    String pageTitle = wrapLink(
091                            link, HtmlUtil.escape(cleanContent(pageResource.getTitle())));
092    
093                    Object[] titleArguments = new Object[] {
094                            groupName, creatorUserName, pageTitle
095                    };
096    
097                    String title = themeDisplay.translate(titlePattern, titleArguments);
098    
099                    // Body
100    
101                    String body = StringPool.BLANK;
102    
103                    return new SocialActivityFeedEntry(link, title, body);
104            }
105    
106            private static final String[] _CLASS_NAMES = new String[] {
107                    WikiPage.class.getName()
108            };
109    
110    }