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.calendar.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.calendar.model.CalEvent;
024    import com.liferay.portlet.calendar.service.CalEventLocalServiceUtil;
025    import com.liferay.portlet.calendar.service.permission.CalEventPermission;
026    import com.liferay.portlet.social.model.BaseSocialActivityInterpreter;
027    import com.liferay.portlet.social.model.SocialActivity;
028    import com.liferay.portlet.social.model.SocialActivityFeedEntry;
029    
030    /**
031     * @author Brian Wing Shun Chan
032     * @author Ryan Park
033     */
034    public class CalendarActivityInterpreter extends BaseSocialActivityInterpreter {
035    
036            public String[] getClassNames() {
037                    return _CLASS_NAMES;
038            }
039    
040            protected SocialActivityFeedEntry doInterpret(
041                            SocialActivity activity, ThemeDisplay themeDisplay)
042                    throws Exception {
043    
044                    PermissionChecker permissionChecker =
045                            themeDisplay.getPermissionChecker();
046    
047                    if (!CalEventPermission.contains(
048                                    permissionChecker, activity.getClassPK(), ActionKeys.VIEW)) {
049    
050                            return null;
051                    }
052    
053                    String groupName = StringPool.BLANK;
054    
055                    if (activity.getGroupId() != themeDisplay.getScopeGroupId()) {
056                            groupName = getGroupName(activity.getGroupId(), themeDisplay);
057                    }
058    
059                    String creatorUserName = getUserName(
060                            activity.getUserId(), themeDisplay);
061    
062                    int activityType = activity.getType();
063    
064                    // Link
065    
066                    CalEvent event = CalEventLocalServiceUtil.getEvent(
067                            activity.getClassPK());
068    
069                    String link =
070                            themeDisplay.getPortalURL() + themeDisplay.getPathMain() +
071                                    "/calendar/find_event?redirect=" +
072                                            themeDisplay.getURLCurrent() + "&eventId=" +
073                                                    activity.getClassPK();
074    
075                    // Title
076    
077                    String titlePattern = null;
078    
079                    if (activityType == CalendarActivityKeys.ADD_EVENT) {
080                            titlePattern = "activity-calendar-add-event";
081                    }
082                    else if (activityType == CalendarActivityKeys.UPDATE_EVENT) {
083                            titlePattern = "activity-calendar-update-event";
084                    }
085    
086                    if (Validator.isNotNull(groupName)) {
087                            titlePattern += "-in";
088                    }
089    
090                    String eventTitle = wrapLink(
091                            link, HtmlUtil.escape(cleanContent(event.getTitle())));
092    
093                    Object[] titleArguments = new Object[] {
094                            groupName, creatorUserName, eventTitle
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                    CalEvent.class.getName()
108            };
109    
110    }