<?php
// $Revision: 1.1.2.8 $
// ------------------------------------------------------------------------- //
//  XooNIps - Neuroinformatics Base Platform System                          //
//  Copyright (C) 2005-2011 RIKEN, Japan All rights reserved.                //
//  http://xoonips.sourceforge.jp/                                           //
// ------------------------------------------------------------------------- //
//  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 2 of the License, or        //
//  (at your option) any later version.                                      //
//                                                                           //
//  You may not change or alter any portion of this comment or credits       //
//  of supporting developers from this source code or any supporting         //
//  source code which is considered copyrighted (c) material of the          //
//  original comment or credit authors.                                      //
//                                                                           //
//  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, write to the Free Software              //
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA //
// ------------------------------------------------------------------------- //
if ( ! defined( 'XOOPS_ROOT_PATH' ) ) {
  exit();
}

require_once dirname( __FILE__ ).'/abstract_ranking.class.php';

/**
 * @brief data object of ranking viewed item
 *
 * @li getVar('item_id') :
 * @li getVar('count') :
 */
class XooNIpsOrmRankingViewedItem extends XooNIpsTableObject {
  function XooNIpsOrmRankingViewedItem() {
    parent::XooNIpsTableObject();
    $this->initVar( 'item_id', XOBJ_DTYPE_INT, 0, true );
    $this->initVar( 'count', XOBJ_DTYPE_INT, 0, true );
  }
}

/**
 * @brief handler object of ranking viewed item
 *
 */
class XooNIpsOrmRankingViewedItemHandler extends XooNIpsOrmAbstractRankingHandler {
  function XooNIpsOrmRankingViewedItemHandler( &$db ) {
    parent::XooNIpsTableObjectHandler( $db );
    $this->__initHandler( 'XooNIpsOrmRankingViewedItem', 'xoonips_ranking_viewed_item', 'item_id', false );
    $this->_set_columns( array( 'item_id', 'count' ) );
  }

  /**
   * insert/upldate/replace object
   *
   * @access public
   * @param object &$obj
   * @param bool $force force operation
   * @return bool false if failed
   */
  function insert( &$obj, $force = false ) {
    $item_id = $obj->get( 'item_id' );
    if ( $item_id == 0 ) {
      // ignore if item id is zero
      return true;
    }
    return parent::insert( $obj, $force );
  }

  /**
   * increment item viewed counter for updating/rebuilding rankings
   *
   * @param int $item_id item id
   * @param int $delta counter delta
   * @return bool FALSE if failed
   */
  function increment( $item_id, $delta ) {
    $obj =& $this->get( $item_id );
    if ( is_object( $obj ) ) {
      $delta += $obj->get( 'count' );
    } else {
      $obj =& $this->create();
      $obj->set( 'item_id', $item_id );
    }
    $obj->set( 'count', $delta );
    // force insertion
    return $this->insert( $obj, true );
  }
}

?>
