NewsHelper.java
/*
* Copyright (C) 2000 - 2025 Silverpeas
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* As a special exception to the terms and conditions of version 3.0 of
* the GPL, you may redistribute this Program in connection with Free/Libre
* Open Source Software ("FLOSS") applications as described in Silverpeas's
* FLOSS exception. You should have received a copy of the text describing
* the FLOSS exception, and it is also available here:
* "https://www.silverpeas.org/legal/floss_exception.html"
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.silverpeas.mobile.server.services.helpers;
import org.silverpeas.components.delegatednews.model.DelegatedNews;
import org.silverpeas.components.delegatednews.service.DelegatedNewsService;
import org.silverpeas.components.quickinfo.NewsByStatus;
import org.silverpeas.components.quickinfo.model.News;
import org.silverpeas.components.quickinfo.model.QuickInfoService;
import org.silverpeas.components.quickinfo.model.QuickInfoServiceProvider;
import org.silverpeas.core.admin.service.AdminException;
import org.silverpeas.core.admin.service.Administration;
import org.silverpeas.core.admin.service.OrganizationController;
import org.silverpeas.core.admin.user.model.UserDetail;
import org.silverpeas.core.contribution.publication.model.PublicationDetail;
import org.silverpeas.core.contribution.model.Thumbnail;
import org.silverpeas.core.util.CollectionUtil;
import org.silverpeas.core.web.util.viewgenerator.html.GraphicElementFactory;
import org.silverpeas.kernel.bundle.ResourceLocator;
import org.silverpeas.kernel.bundle.SettingBundle;
import org.silverpeas.kernel.logging.SilverLogger;
import org.silverpeas.kernel.util.StringUtil;
import org.silverpeas.mobile.shared.dto.news.NewsDTO;
import java.text.SimpleDateFormat;
import java.util.*;
/**
* @author svu
*/
public class NewsHelper {
private static NewsHelper instance;
private final OrganizationController organizationController = OrganizationController.get();
private final SimpleDateFormat sdf = new SimpleDateFormat("dd MMMM yyyy");
public static NewsHelper getInstance() {
if (instance == null) {
instance = new NewsHelper();
}
return instance;
}
public List<News> getLastNews(String userId, String spaceId, int maxNews) throws Exception {
if (spaceId != null) {
List<String> appIds = new ArrayList<>();
String[] cIds = organizationController.getAvailCompoIds(spaceId, userId);
for (String id : cIds) {
if (StringUtil.startsWithIgnoreCase(id, "quickinfo")) {
appIds.add(id);
}
}
QuickInfoService service = QuickInfoServiceProvider.getQuickInfoService();
List<News> news = new ArrayList<>();
for (String appId : appIds) {
news.addAll(service.getVisibleNews(appId));
}
news = sortAndTruncate(maxNews, news, false);
return news;
} else {
// News on main page
List<News> news = new ArrayList<>();
SettingBundle settings = GraphicElementFactory.getLookSettings(UserHelper.getInstance().getUserLook(userId));
String newsSource = null;
try{
newsSource = settings.getString("home.news");
} catch (MissingResourceException e) {}
if (newsSource != null && newsSource.isEmpty() == false) {
if (newsSource.trim().startsWith("quickinfo")) {
String [] sources = newsSource.split(" ");
for (String source : sources) {
news.addAll(getNewsByComponentId(source.trim(), false, userId, maxNews, true));
}
news = sortAndTruncate(maxNews, news, true);
} else if (newsSource.trim().equals("*")) {
news = getAllNews(userId, maxNews);
news = sortAndTruncate(maxNews, news, true);
} else {
news = getDelegatedNews(userId, maxNews);
}
}
return news;
}
}
private boolean isVisibleNews(PublicationDetail news) {
return news.isValid() && news.isVisible();
}
private List<News> getDelegatedNews(String userId, int maxNews) throws Exception {
List<News> news = new ArrayList();
List<DelegatedNews> delegatedNews = DelegatedNewsService.get().getAllValidDelegatedNews();
UserDetail u = Administration.get().getUserDetail(userId);
Date now = new Date();
int count = 0;
for (DelegatedNews delegated : delegatedNews) {
if (count >= maxNews) break;
News aNews = null;
if (delegated.getBeginDate() == null && delegated.getEndDate() == null) {
aNews = getNews(delegated, u);
} else if (delegated.getBeginDate() != null && now.after(delegated.getBeginDate())
&& delegated.getEndDate() != null && now.before(delegated.getEndDate())) {
aNews = getNews(delegated, u);
} else if (delegated.getBeginDate() != null && now.after(delegated.getBeginDate()) && delegated.getEndDate() == null) {
aNews = getNews(delegated, u);
} else if (delegated.getEndDate() != null && now.before(delegated.getEndDate())) {
aNews = getNews(delegated, u);
}
if (aNews != null) {
news.add(aNews);
count++;
}
}
return news;
}
private News getNews(DelegatedNews delegated, UserDetail u) {
News aNews = QuickInfoService.get().getNewsByForeignId(delegated.getPubId());
if (!aNews.canBeAccessedBy(u)) aNews = null;
return aNews;
}
public List<News> getNewsByAppId(String appId, boolean managerAccess, String userId) {
QuickInfoService service = QuickInfoServiceProvider.getQuickInfoService();
List<News> news = new ArrayList<>();
if (managerAccess) {
NewsByStatus nbs = service.getAllNewsByStatus(appId, userId);
news.addAll(nbs.getDrafts());
news.addAll(nbs.getNotYetVisibles());
news.addAll(nbs.getVisibles());
news.addAll(nbs.getNoMoreVisibles());
} else {
news = service.getVisibleNews(appId);
}
return news;
}
private List<News> getAllNews(String userId, int maxNews) throws AdminException {
List<News> news = new ArrayList<>();
List<String> apps = CollectionUtil
.asList(organizationController.getComponentIdsForUser(userId, "quickinfo"));
for (String appId : apps) {
news.addAll(getNewsByComponentId(appId, false, userId, maxNews, true));
}
news = sortAndTruncate(maxNews, news, false);
return news;
}
private List<News> getNewsByComponentId(String appId, boolean managerAccess, String userId, int maxNews, boolean reverse) throws AdminException {
QuickInfoService service = QuickInfoServiceProvider.getQuickInfoService();
List<News> news = new ArrayList<>();
if (Administration.get().isComponentAvailableToUser(appId, userId)) {
if (managerAccess) {
news = service.getAllNews(appId);
} else {
news = service.getVisibleNews(appId);
}
}
news = sortAndTruncate(maxNews, news, reverse);
return news;
}
private static List<News> sortAndTruncate(int maxNews, List<News> news, boolean reverse) {
Collections.sort(news, (o1, o2) -> o1.getUpdateDate().compareTo(o2.getUpdateDate()));
if (reverse) Collections.reverse(news);
if (news != null && news.size() > maxNews) {
news = news.subList(0, maxNews);
}
return news;
}
public NewsDTO populate(News n, boolean resizeImage) {
NewsDTO news = new NewsDTO();
news.setId(n.getPublication().getId());
news.setTitle(n.getPublication().getTitle());
news.setDescription(n.getPublication().getDescription());
news.setImportant(n.isImportant());
news.setUpdateDate(sdf.format(n.getLastUpdateDate()));
news.setContent(n.getContent());
news.setDraft(n.getPublication().isDraft());
news.setVisible(n.getPublication().isVisible());
news.setStartDate(n.getVisibility().getPeriod().getStartDate().toString().replaceAll("Z", ""));
news.setEndDate(n.getVisibility().getPeriod().getEndDate().toString().replaceAll("Z", ""));
news.setIdNews(n.getId());
try {
news.setVignette(getThumbnailUrl(n.getPublication()));
} catch(Exception e) {SilverLogger.getLogger(this).error(e);}
news.setInstanceId(n.getPublication().getInstanceId());
return news;
}
public List<NewsDTO> populate(List<News> news, boolean managerAccess) {
List<NewsDTO> dtos = new ArrayList<NewsDTO>();
if (news != null) {
for (News n : news) {
NewsDTO dto = populate(n, true);
dto.setManagable(managerAccess);
dtos.add(dto);
}
}
return dtos;
}
public NewsDTO populate(PublicationDetail pub, boolean resizeImage) {
NewsDTO news = new NewsDTO();
news.setId(pub.getId());
news.setTitle(pub.getTitle());
news.setDescription(pub.getDescription());
news.setUpdateDate(sdf.format(pub.getLastUpdateDate()));
news.setDraft(pub.isDraft());
news.setVisible(pub.isVisible());
try {
news.setVignette(getThumbnailUrl(pub));
} catch(Exception e) {SilverLogger.getLogger(this).error(e);}
news.setInstanceId(pub.getInstanceId());
return news;
}
public List<NewsDTO> populatePub(List<PublicationDetail> pubs, boolean managerAccess, boolean resizeImage) {
List<NewsDTO> dtos = new ArrayList<NewsDTO>();
if (pubs != null) {
for (PublicationDetail pub : pubs) {
NewsDTO dto = populate(pub, resizeImage);
dto.setManagable(managerAccess);
dtos.add(dto);
}
}
return dtos;
}
private String getThumbnailUrl(PublicationDetail publication) {
Thumbnail thumbnail = publication.getThumbnail();
return thumbnail != null ? thumbnail.getURL() : null;
}
}