| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. The ASF licenses this file to You |
| * under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. For additional information regarding |
| * copyright in this work, please see the NOTICE file in the top level |
| * directory of this distribution. |
| */ |
| |
| package org.apache.roller.weblogger.ui.rendering.model; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.roller.weblogger.WebloggerException; |
| import org.apache.roller.planet.business.PlanetManager; |
| import org.apache.roller.planet.pojos.Planet; |
| import org.apache.roller.planet.pojos.PlanetGroup; |
| import org.apache.roller.planet.pojos.Subscription; |
| import org.apache.roller.weblogger.business.URLStrategy; |
| import org.apache.roller.weblogger.business.WebloggerFactory; |
| import org.apache.roller.weblogger.config.WebloggerConfig; |
| import org.apache.roller.weblogger.pojos.ThemeTemplate; |
| import org.apache.roller.weblogger.pojos.Weblog; |
| import org.apache.roller.weblogger.ui.rendering.pagers.Pager; |
| import org.apache.roller.weblogger.ui.rendering.pagers.PlanetEntriesPager; |
| import org.apache.roller.weblogger.ui.rendering.util.WeblogPageRequest; |
| import org.apache.roller.weblogger.ui.rendering.util.WeblogRequest; |
| |
| /** |
| * Model that provides access to planet aggregations, feeds and subscriptions. |
| */ |
| public class PlanetModel implements Model { |
| |
| public static final String DEFAULT_PLANET_HANDLE = "default"; |
| |
| private static Log log = LogFactory.getLog(PlanetModel.class); |
| |
| private WeblogRequest weblogRequest = null; |
| private String pageLink = null; |
| private int pageNum = 0; |
| private Weblog weblog = null; |
| |
| private URLStrategy urlStrategy = null; |
| private org.apache.roller.planet.business.PlanetURLStrategy planetUrlStrategy = null; |
| |
| |
| @Override |
| public String getModelName() { |
| return "planet"; |
| } |
| |
| @Override |
| public void init(Map initData) throws WebloggerException { |
| |
| if (!WebloggerConfig.getBooleanProperty("planet.aggregator.enabled")) { |
| return; |
| } |
| |
| // we expect the init data to contain a weblogRequest object |
| this.weblogRequest = (WeblogRequest) initData.get("parsedRequest"); |
| if(this.weblogRequest == null) { |
| throw new WebloggerException("expected weblogRequest from init data"); |
| } |
| |
| if (weblogRequest instanceof WeblogPageRequest) { |
| ThemeTemplate weblogPage = ((WeblogPageRequest)weblogRequest).getWeblogPage(); |
| pageLink = (weblogPage != null) ? weblogPage.getLink() : null; |
| pageNum = ((WeblogPageRequest)weblogRequest).getPageNum(); |
| } |
| |
| // look for url strategy |
| urlStrategy = (URLStrategy) initData.get("urlStrategy"); |
| if(urlStrategy == null) { |
| urlStrategy = WebloggerFactory.getWeblogger().getUrlStrategy(); |
| } |
| |
| planetUrlStrategy = WebloggerFactory.getWeblogger().getPlanetURLStrategy(); |
| |
| // extract weblog object |
| weblog = weblogRequest.getWeblog(); |
| } |
| |
| |
| /** |
| * Get pager for PlanetEntry objects from 'all' and |
| * 'exernal' Planet groups. in reverse chrono order. |
| * @param length Max number of results to return |
| */ |
| public Pager getAggregationPager(int sinceDays, int length) { |
| |
| String pagerUrl = urlStrategy.getWeblogPageURL(weblog, |
| weblogRequest.getLocale(), pageLink, |
| null, null, null, null, 0, false); |
| |
| return new PlanetEntriesPager( |
| urlStrategy, |
| null, |
| null, |
| pagerUrl, |
| sinceDays, |
| pageNum, |
| length); |
| } |
| |
| |
| /** |
| * Get pager for WeblogEntry objects from specified |
| * Planet groups in reverse chrono order. |
| * @param length Max number of results to return |
| */ |
| public Pager getAggregationPager(String groupHandle, int sinceDays, int length) { |
| |
| String pagerUrl = urlStrategy.getWeblogPageURL(weblog, |
| weblogRequest.getLocale(), pageLink, |
| null, null, null, null, 0, false); |
| |
| return new PlanetEntriesPager( |
| urlStrategy, |
| null, |
| groupHandle, |
| pagerUrl, |
| sinceDays, |
| pageNum, |
| length); |
| } |
| |
| |
| /** |
| * Get pager for WeblogEntry objects from specified |
| * Planet feed in reverse chrono order. |
| * @param length Max number of results to return |
| */ |
| public Pager getFeedPager(String feedURL, int length) { |
| |
| String pagerUrl = urlStrategy.getWeblogPageURL(weblog, |
| weblogRequest.getLocale(), pageLink, |
| null, null, null, null, 0, false); |
| |
| return new PlanetEntriesPager( |
| urlStrategy, |
| feedURL, |
| null, |
| pagerUrl, |
| -1, |
| pageNum, |
| length); |
| } |
| |
| |
| /** |
| * Get PlanetSubscription objects in descending order by Planet ranking. |
| * @param sinceDays Only consider weblogs updated in the last sinceDays |
| * @param length Max number of results to return |
| */ |
| public List<Subscription> getRankedSubscriptions(int sinceDays, int length) { |
| return getRankedSubscriptions(null, sinceDays, length); |
| } |
| |
| |
| /** |
| * Get PlanetSubscription objects in descending order by Planet ranking. |
| * @param groupHandle Only consider weblogs updated in the last sinceDays |
| * @param sinceDays Only consider weblogs updated in the last sinceDays |
| * @param length Max number of results to return |
| */ |
| public List<Subscription> getRankedSubscriptions(String groupHandle, int sinceDays, int length) { |
| List<Subscription> list = new ArrayList<>(); |
| try { |
| PlanetManager planetManager = WebloggerFactory.getWeblogger().getPlanetManager(); |
| Planet defaultPlanet = planetManager.getWeblogger(DEFAULT_PLANET_HANDLE); |
| PlanetGroup planetGroup = planetManager.getGroup(defaultPlanet, groupHandle); |
| List<Subscription> subs = planetManager.getTopSubscriptions(planetGroup, 0, length); |
| for (Subscription sub : subs) { |
| // TODO needs pojo wrapping from planet |
| list.add(sub); |
| } |
| } catch (Exception e) { |
| log.error("ERROR: get ranked blogs", e); |
| } |
| return list; |
| } |
| |
| |
| /** |
| * Get PlanetGroups defined. |
| * @return List of Planet groups defined. |
| */ |
| public List<PlanetGroup> getGroups() { |
| List list = new ArrayList<PlanetGroup>(); |
| try { |
| PlanetManager planetManager = WebloggerFactory.getWeblogger().getPlanetManager(); |
| Planet defaultPlanet = planetManager.getWeblogger(DEFAULT_PLANET_HANDLE); |
| Set<PlanetGroup> groups = defaultPlanet.getGroups(); |
| for (PlanetGroup group : groups) { |
| // TODO needs pojo wrapping from planet |
| list.add(group); |
| } |
| } catch (Exception e) { |
| log.error("ERROR: getting groups", e); |
| } |
| return list; |
| } |
| |
| |
| /** |
| * Get PlanetGroup by handle. |
| * @param groupHandle Handle of PlanetGroup to fetch. |
| * @return PlaneGroup specified by handle. |
| */ |
| public PlanetGroup getGroup(String groupHandle) { |
| PlanetGroup group = null; |
| try { |
| PlanetManager planetManager = WebloggerFactory.getWeblogger().getPlanetManager(); |
| Planet defaultPlanet = planetManager.getWeblogger(DEFAULT_PLANET_HANDLE); |
| // TODO needs pojo wrapping from planet |
| group = planetManager.getGroup(defaultPlanet, groupHandle); |
| } catch (Exception e) { |
| log.error("ERROR: getting group", e); |
| } |
| return group; |
| } |
| |
| |
| public String getWebloggerURL() { |
| return planetUrlStrategy.getPlanetURL("ignored"); |
| } |
| |
| |
| public String getWebloggerGroupURL(String group, int pageNum) { |
| return planetUrlStrategy.getPlanetGroupURL("ignored", group, pageNum); |
| } |
| |
| |
| public String getWebloggerFeedURL(String group, String format) { |
| return planetUrlStrategy.getPlanetGroupFeedURL("ignored", group, format); |
| } |
| } |