models.Feed.java Source code

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Here is the source code for models.Feed.java

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/*
Kyberia Haiku - advanced community web application
Copyright (C) 2010 Robert Hritz
    
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.
    
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 models;

import com.google.code.morphia.annotations.Transient;
import com.google.common.collect.Lists;
import com.mongodb.BasicDBObject;
import com.mongodb.DBCursor;
import com.mongodb.DBObject;
import com.mongodb.ObjectId;
import java.util.List;
import play.Logger;
import play.cache.Cache;
import plugins.MongoDB;

public class Feed extends MongoEntity {

    private String name;
    private ObjectId owner;
    private List<ObjectId> nodes;
    private Integer maxNodes;

    // + pripadne neskor permisions atd
    // + unique index na name? alebo cez ID
    @Transient
    private List<NodeContent> content;
    @Transient
    private String ownerName; //?

    // pridaj 'clanok' do feedu
    public static void addToFeed(String feedName, ObjectId contentId) {
        // test na pocet
    }

    public static Feed loadContent(ObjectId feedId) {
        Feed toLoad = load(feedId);
        if (toLoad != null)
            toLoad.loadContent();
        return toLoad;
    }

    public void loadContent() {
        content = NodeContent.load(nodes);
    }

    public static Feed load(ObjectId id) {
        // Logger.info("About to load node " + id);
        Feed n = Cache.get("feed_" + id, Feed.class);
        if (n != null)
            return n;
        try {
            DBObject iobj = MongoDB.getDB().getCollection(MongoDB.CFeed)
                    .findOne(new BasicDBObject().append("_id", id));
            if (iobj != null) {
                n = MongoDB.getMorphia().fromDBObject(Feed.class, (BasicDBObject) iobj);
                Cache.add("feed_" + id, n);
            }
        } catch (Exception ex) {
            Logger.info("load feed");
            ex.printStackTrace();
            Logger.info(ex.toString());
        }
        return n;
    }

    static List<Feed> load(List<ObjectId> feedIds) {
        List<Feed> feeds = null;
        try {
            DBObject query = new BasicDBObject("_id",
                    new BasicDBObject().append("$in", feedIds.toArray(new ObjectId[feedIds.size()])));
            DBCursor iobj = MongoDB.getDB().getCollection(MongoDB.CFeed).find(query);
            if (iobj != null)
                feeds = Lists.transform(iobj.toArray(), MongoDB.getSelf().toFeed()); //? .toFeedWithContent()
        } catch (Exception ex) {
            Logger.info("load feeds::");
            ex.printStackTrace();
            Logger.info(ex.toString());
        }
        return feeds;
    }

    String getName() {
        return name;
    }
}