001    /**
002     * Copyright (c) 2000-2012 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.journal.social;
016    
017    import com.liferay.portal.kernel.util.StringPool;
018    import com.liferay.portal.kernel.util.Validator;
019    import com.liferay.portal.security.permission.ActionKeys;
020    import com.liferay.portal.security.permission.PermissionChecker;
021    import com.liferay.portal.theme.ThemeDisplay;
022    import com.liferay.portal.util.PortalUtil;
023    import com.liferay.portlet.journal.model.JournalArticle;
024    import com.liferay.portlet.journal.model.JournalArticleConstants;
025    import com.liferay.portlet.journal.service.JournalArticleLocalServiceUtil;
026    import com.liferay.portlet.journal.service.permission.JournalArticlePermission;
027    import com.liferay.portlet.journal.service.permission.JournalPermission;
028    import com.liferay.portlet.social.model.BaseSocialActivityInterpreter;
029    import com.liferay.portlet.social.model.SocialActivity;
030    import com.liferay.portlet.social.model.SocialActivityFeedEntry;
031    
032    /**
033     * @author Roberto Diaz
034     */
035    public class JournalActivityInterpreter extends BaseSocialActivityInterpreter {
036    
037            public String[] getClassNames() {
038                    return _CLASS_NAMES;
039            }
040    
041            @Override
042            protected SocialActivityFeedEntry doInterpret(
043                            SocialActivity activity, ThemeDisplay themeDisplay)
044                    throws Exception {
045    
046                    PermissionChecker permissionChecker =
047                            themeDisplay.getPermissionChecker();
048    
049                    int activityType = activity.getType();
050    
051                    JournalArticle article =
052                            JournalArticleLocalServiceUtil.getJournalArticle(
053                                    activity.getClassPK());
054    
055                    if ((activityType == JournalActivityKeys.ADD_ARTICLE) &&
056                            !JournalPermission.contains(
057                                    permissionChecker, activity.getGroupId(),
058                                    ActionKeys.ADD_ARTICLE)) {
059    
060                            return null;
061                    }
062                    else if ((activityType == JournalActivityKeys.UPDATE_ARTICLE) &&
063                                     !JournalArticlePermission.contains(
064                                             permissionChecker, article, ActionKeys.UPDATE)) {
065    
066                            return null;
067                    }
068    
069                    String groupName = StringPool.BLANK;
070    
071                    if (activity.getGroupId() != themeDisplay.getScopeGroupId()) {
072                            groupName = getGroupName(activity.getGroupId(), themeDisplay);
073                    }
074    
075                    String creatorUserName = getUserName(
076                            activity.getUserId(), themeDisplay);
077    
078                    // Link
079    
080                    String link = null;
081    
082                    JournalArticle lastestArticle =
083                            JournalArticleLocalServiceUtil.getLatestArticle(
084                                    article.getGroupId(), article.getArticleId());
085    
086                    if (Validator.isNotNull(lastestArticle.getLayoutUuid()) &&
087                            !article.isInTrash()) {
088    
089                            String groupFriendlyURL = PortalUtil.getGroupFriendlyURL(
090                                    themeDisplay.getScopeGroup(), false, themeDisplay);
091    
092                            link =
093                                    groupFriendlyURL.concat(
094                                            JournalArticleConstants.CANONICAL_URL_SEPARATOR).concat(
095                                                    lastestArticle.getUrlTitle());
096                    }
097    
098                    // Title
099    
100                    String titlePattern = null;
101    
102                    if (activityType == JournalActivityKeys.ADD_ARTICLE) {
103                            if (Validator.isNull(groupName)) {
104                                    titlePattern = "activity-journal-add-article";
105                            }
106                            else {
107                                    titlePattern = "activity-journal-add-article-in";
108                            }
109                    }
110                    else if (activityType == JournalActivityKeys.UPDATE_ARTICLE) {
111                            if (Validator.isNull(groupName)) {
112                                    titlePattern = "activity-journal-update-article";
113                            }
114                            else {
115                                    titlePattern = "activity-journal-update-article-in";
116                            }
117                    }
118    
119                    String articleTitle = getValue(
120                            activity.getExtraData(), "title", article.getTitle());
121    
122                    Object[] titleArguments = null;
123    
124                    if (Validator.isNotNull(link)) {
125                            titleArguments = new Object[] {
126                                    groupName, creatorUserName, wrapLink(link, articleTitle)
127                            };
128                    }
129                    else {
130                            titleArguments = new Object[] {
131                                    groupName, creatorUserName, articleTitle,
132                            };
133                    }
134    
135                    String title = themeDisplay.translate(titlePattern, titleArguments);
136    
137                    // Body
138    
139                    String body = StringPool.BLANK;
140    
141                    return new SocialActivityFeedEntry(link, title, body);
142            }
143    
144            private static final String[] _CLASS_NAMES = new String[] {
145                    JournalArticle.class.getName()
146            };
147    
148    }