<?php
// $Revision: 1.1.4.1.2.6 $
// ------------------------------------------------------------------------- //
//  XooNIps - Neuroinformatics Base Platform System                          //
//  Copyright (C) 2005-2008 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();
}

include_once XOOPS_ROOT_PATH.'/modules/xoonips/include/lib.php';
include_once XOOPS_ROOT_PATH.'/modules/xoonips/include/AL.php';

/**
 *
 * @brief data object of searchtext
 *
 * @li getVar('file_id') :
 * @li getVar('search_text') :
 *
 */
class XooNIpsOrmSearchText extends XooNIpsTableObject {
  function XooNIpsOrmSearchText() {
    parent::XooNIpsTableObject();
    $this->initVar( 'file_id', XOBJ_DTYPE_INT, 0, false );
    $this->initVar( 'search_text', XOBJ_DTYPE_TXTBOX, null, false );
  }
}

/**
 * @brief data object of searchtext
 */
class XooNIpsOrmSearchTextHandler extends XooNIpsTableObjectHandler {
  function XooNIpsOrmSearchTextHandler( &$db ) {
    parent::XooNIpsTableObjectHandler( $db );
    $this->__initHandler( 'XooNIpsOrmSearchText', 'xoonips_search_text', 'file_id', false );
  }

  /**
   * @brief scan file and create search text
   *
   * @param file_id file ID
   * @return true if succeeded
   */
  function scanFile( $file_id ) {
    $modules = xnpGetFileSearchModules();
    list( $result, $errorMessage ) = xnpExtractText( $file_id, $modules );
    return $result;
  }

  /**
   * @brief search file
   *
   * @param query query
   * @param limit the maximum number of rows to return
   * @param offset the offset of the first row to return
   * @param uid user ID
   * @return array of item id
   */
  function search( $query, $limit, $offset, $uid ) {
    $msg = false;
    $iids = false;
    $dummy = false;
    $search_cache_id = false;
    $_SESSION['XNPSID'] = session_id();
    $member_handler =& xoops_gethandler( 'member' );
    if ( empty( $GLOBALS['xoopsUser'] ) ) {
      $GLOBALS['xoopsUser'] = $member_handler->getUser( $uid );
    }
    if ( xnpSearchExec( 'quicksearch', $query, 'all', false, $dummy, $dummy, $dummy, $search_cache_id, false, 'file' ) ) {
      // search_cache_id -> file_ids
      $criteria = new Criteria( 'search_cache_id', $search_cache_id );
      $criteria->setSort( 'item_id' );
      $criteria->setStart( $offset );
      if ( $limit ) {
        $criteria->setLimit( $limit );
      }
      $join = new XooNIpsJoinCriteria( 'xoonips_search_cache_file', 'file_id', 'file_id', 'LEFT' );
      $file_handler =& xoonips_getormhandler( 'xoonips', 'file' );
      $files =& $file_handler->getObjects( $criteria, false, 'item_id', true, $join );
      if ( false === $files ) {
        return false;
      }
      $item_ids = array();
      foreach ( $files as $file ) {
        $item_ids[] = $file->get( 'item_id' );
      }
      return $item_ids;
    } else {
      return false;
    }
  }
}
?>
