/*

  *   SONEWS News Server

  *   see AUTHORS for the list of contributors

  *

  *   This program is free software: you can redistribute it and/or modify

  *   it under the terms of the GNU 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 General Public License for more details.

  *

  *   You should have received a copy of the GNU General Public License

  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.

  */

 package org.sonews.util;

 import org.sonews.daemon.Config;

 import org.sonews.daemon.storage.Database;

 import org.sonews.daemon.storage.Article;

 import java.util.Date;

 /**

  * The purger is started in configurable intervals to search

  * for old messages that can be purged.

  * @author Christian Lins

  * @since sonews/0.5.0

  */

 public class Purger

 {

   private long lifetime;

   public Purger()

   {

     this.lifetime = Config.getInstance().get("sonews.article.lifetime", 30) 

       * 24L * 60L * 60L * 1000L; // in Milliseconds

   }

   /**

    * Loops through all messages and deletes them if their time

    * has come.

    */

   void purge()

     throws Exception

   {

     System.out.println("Purging old messages...");

     for (;;)

     {

       // TODO: Delete articles directly in database

       Article art = null; //Database.getInstance().getOldestArticle();

       if (art == null) // No articles in the database

       {

         break;

       }

 /*      if (art.getDate().getTime() < (new Date().getTime() + this.lifetime))

       {

  //       Database.getInstance().delete(art);

         System.out.println("Deleted: " + art);

       }

       else

       {

         break;

       }*/

     }

   }

   public static void main(String[] args)

   {

     try

     {

       Purger purger = new Purger();

       purger.purge();

       System.exit(0);

     }

     catch(Exception ex)

     {

       ex.printStackTrace();

       System.exit(1);

     }

   }

 }