/**
* OLAT - Online Learning and Training<br>
* http://www.olat.org
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS, <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Copyright (c) 2008 frentix GmbH, Switzerland<br>
* <p>
*/
package org.olat.user.notification;
import java.util.Date;
import java.util.List;
import java.util.Locale;
import org.olat.core.gui.translator.Translator;
import org.olat.core.gui.util.CSSHelper;
import org.olat.core.id.Identity;
import org.olat.core.logging.OLog;
import org.olat.core.logging.Tracing;
import org.olat.core.util.Util;
import org.olat.core.util.notifications.NotificationHelper;
import org.olat.core.util.notifications.NotificationsHandler;
import org.olat.core.util.notifications.NotificationsManager;
import org.olat.core.util.notifications.Publisher;
import org.olat.core.util.notifications.Subscriber;
import org.olat.core.util.notifications.SubscriptionInfo;
import org.olat.core.util.notifications.items.SubscriptionListItem;
import org.olat.core.util.notifications.items.TitleItem;
/**
*
* Description:<br>
* This is an implementation of the NotificationsHandler for newly created
* users.
* <P>
* Initial Date: 18 august 2009 <br>
*
* @author srosse, stephane.rosse@frentix.com
*/
public class NewUsersNotificationHandler implements NotificationsHandler {
private static final OLog log = Tracing.createLoggerFor(NewUsersNotificationHandler.class);
private List<Identity> identities;
public SubscriptionInfo createSubscriptionInfo(Subscriber subscriber, Locale locale, Date compareDate) {
Publisher p = subscriber.getPublisher();
Date latestNews = p.getLatestNewsDate();
SubscriptionInfo si;
Translator translator = Util.createPackageTranslator(this.getClass(), locale);
// there could be news for me, investigate deeper
try {
if (NotificationsManager.getInstance().isPublisherValid(p) && compareDate.before(latestNews)) {
identities = UsersSubscriptionManager.getInstance().getNewIdentityCreated(compareDate);
if (identities.isEmpty()) {
si = NotificationsManager.getInstance().getNoSubscriptionInfo();
} else {
translator = Util.createPackageTranslator(this.getClass(), locale);
si = new SubscriptionInfo(new TitleItem(getItemTitle(translator), CSSHelper.CSS_CLASS_GROUP), null);
SubscriptionListItem subListItem;
for (Identity newUser : identities) {
String desc = translator.translate("notifications.entry", new String[] { NotificationHelper.getFormatedName(newUser) });
String businessPath = "[Identity:" + newUser.getKey() + "]";
String urlToSend = NotificationHelper.getURLFromBusinessPathString(p, businessPath);
Date modDate = newUser.getCreationDate();
subListItem = new SubscriptionListItem(desc, urlToSend, modDate, CSSHelper.CSS_CLASS_USER);
si.addSubscriptionListItem(subListItem);
}
}
} else {
si = NotificationsManager.getInstance().getNoSubscriptionInfo();
}
} catch (Exception e) {
log.error("Error creating new identity's notifications for subscriber: " + subscriber.getKey(), e);
si = NotificationsManager.getInstance().getNoSubscriptionInfo();
}
return si;
}
private String getItemTitle(Translator translator) {
String numOfNewUsers = Integer.toString(identities.size());
if (identities.size() > 1) { return translator.translate("notifications.title", new String[] { numOfNewUsers }); }
return translator.translate("notifications.titleOne");
}
@Override
public String createTitleInfo(Subscriber subscriber, Locale locale) {
Translator translator = Util.createPackageTranslator(this.getClass(), locale);
return translator.translate("notifications.table.title");
}
}