<?php
/**
* @version $Id: search.php 3723 2006-05-29 16:14:03Z stingrey $
* @package Joomla
* @subpackage Search
* @copyright Copyright (C) 2005 Open Source Matters. All rights reserved.
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/

// no direct access
defined( '_VALID_MOS' ) or die( 'Restricted access' );

require_once( $mainframe->getPath( 'front_html' ) );
if($_REQUEST['searchphrase']=='')
{
$_REQUEST['searchphrase']=$_GET['searchphrase']='exact';
}

// page title
$mainframe->setPageTitle( _SEARCH_TITLE );

switch ( $task ) {
   default:
      viewSearch();
      break;
}

function viewSearch() {
   global $mainframe, $mosConfig_absolute_path, $mosConfig_lang, $my;
   global $Itemid, $database, $_MAMBOTS;
   global $mosConfig_list_limit;
//$mosConfig_list_limit=50;

   $restriction = 0;
   
   // try to find search component's Itemid
   $query = "SELECT id"
      . "\n FROM #__menu"
      . "\n WHERE type = 'components'"
      . "\n AND published = 1"
      . "\n AND link = 'index.php?option=com_search'"
      ;
   $database->setQuery( $query );
   $_Itemid = $database->loadResult();

   if ($_Itemid != "") {
      $Itemid = $_Itemid;
   }

   $gid = $my->gid;

   // Adds parameter handling
   if( $Itemid > 0 && $Itemid != 99999999 ) {
      $menu = $mainframe->get( 'menu' );
      $params = new mosParameters( $menu->params );
      $params->def( 'page_title', 1 );
      $params->def( 'pageclass_sfx', '' );
      $params->def( 'header', $menu->name, _SEARCH_TITLE );
      $params->def( 'back_button', $mainframe->getCfg( 'back_button' ) );
   } else {
      $params = new mosParameters('');
      $params->def( 'page_title', 1 );
      $params->def( 'pageclass_sfx', '' );
      $params->def( 'header', _SEARCH_TITLE );
      $params->def( 'back_button', $mainframe->getCfg( 'back_button' ) );
   }

   // html output
   search_html::openhtml( $params );

   $searchword = strval( mosGetParam( $_REQUEST, 'searchword', '' ) );
   $searchword = $database->getEscaped( trim( $searchword ) );
   
   // limit searchword to 20 characters
   if ( strlen( $searchword ) > 20 ) {
      $searchword    = substr( $searchword, 0, 19 );
      $restriction    = 1;
   }
   
   // searchword must contain a minimum of 3 characters
   if ( $searchword && strlen( $searchword ) < 3 ) {
      $searchword    = '';
      $restriction    = 1;
   }

   $search_ignore = array();
   @include "$mosConfig_absolute_path/language/$mosConfig_lang.ignore.php";

   $orders = array();
   $orders[] = mosHTML::makeOption( 'newest', _SEARCH_NEWEST );
   $orders[] = mosHTML::makeOption( 'oldest', _SEARCH_OLDEST );
   $orders[] = mosHTML::makeOption( 'popular', _SEARCH_POPULAR );
   $orders[] = mosHTML::makeOption( 'alpha', _SEARCH_ALPHABETICAL );
   $orders[] = mosHTML::makeOption( 'category', _SEARCH_CATEGORY );
   $ordering = strtolower( strval( mosGetParam( $_REQUEST, 'ordering', 'newest') ) );
   $lists = array();
   $lists['ordering'] = mosHTML::selectList( $orders, 'ordering', 'id="search_ordering" class="inputbox"', 'value', 'text', $ordering );

   $searchphrase = strtolower( strval( mosGetParam( $_REQUEST, 'searchphrase', 'exact' ) ) );
   $searchphrases = array();

   $phrase = new stdClass();
   $phrase->value       = 'any';
   $phrase->text       = _SEARCH_ANYWORDS;
   $searchphrases[]    = $phrase;

   $phrase = new stdClass();
   $phrase->value       = 'all';
   $phrase->text       = _SEARCH_ALLWORDS;
   $searchphrases[]    = $phrase;

   $phrase = new stdClass();
   $phrase->value       = 'exact';
   $phrase->text       = _SEARCH_PHRASE;
   $searchphrases[]    = $phrase;

   $lists['searchphrase']= mosHTML::radioList( $searchphrases, 'searchphrase', '', $searchphrase );

   // html output
   search_html::searchbox( htmlspecialchars( stripslashes( $searchword ) ), $lists, $params );

   if (!$searchword) {
      if ( count( $_POST ) ) {
         // html output
         // no matches found
         search_html::message( _NOKEYWORD, $params );
      } else if ( $restriction ) {
         // html output
         search_html::message( _SEARCH_MESSAGE, $params );
      }
   } else if ( in_array( $searchword, $search_ignore ) ) {
      // html output
      search_html::message( _IGNOREKEYWORD, $params );
   } else {
      // html output      
      
      if ( $restriction ) {
         // html output
         search_html::message( _SEARCH_MESSAGE, $params );
      }
      
      $searchword_clean = htmlspecialchars( stripslashes( $searchword ) );
      
      search_html::searchintro( $searchword_clean, $params );

      mosLogSearch( $searchword );
      $phrase    = strval( mosGetParam( $_REQUEST, 'searchphrase', '' ) );
      $ordering    = strval( mosGetParam( $_REQUEST, 'ordering', '' ) );

      $_MAMBOTS->loadBotGroup( 'search' );
      $results    = $_MAMBOTS->trigger( 'onSearch', array( $searchword, $phrase, $ordering ) );
      $totalRows    = 0;

      $rows = array();
      for ($i = 0, $n = count( $results); $i < $n; $i++) {
         $rows = array_merge( (array)$rows, (array)$results[$i] );
      }

      $totalRows = count( $rows );

      for ($i=0; $i < $totalRows; $i++) {
         $text = &$rows[$i]->text;
         
         if ($phrase == 'exact') {
            $searchwords    = array($searchword);
            $needle       = $searchword;
         } else {
            $searchwords    = explode(' ', $searchword);
            $needle       = $searchwords[0];
         }
         
         $text = mosPrepareSearchContent( $text, 200, $needle );
   
           foreach ($searchwords as $hlword) {
            $text = preg_replace( '/' . preg_quote( $hlword, '/' ) . '/i', '<span class="highlight">\0</span>', $text );
         }
         
         if ( strpos( $rows[$i]->href, 'http' ) == false ) {
            $url = parse_url( $rows[$i]->href );
            parse_str( @$url['query'], $link );

            // determines Itemid for Content items where itemid has not been included
            if ( isset($rows[$i]->type) && @$link['task'] == 'view' && isset($link['id']) && !isset($link['Itemid']) ) {
               $itemid    = '';
               $_itemid = $mainframe->getItemid( $link['id'], 0 );
               
               if ($_itemid) {
                  $itemid = '&Itemid='. $_itemid;
               }
               
               $rows[$i]->href = $rows[$i]->href . $itemid;
            }
         }
      }

      $mainframe->setPageTitle( _SEARCH_TITLE );

      $total       = $totalRows;
      $limit      = intval( mosGetParam( $_GET, 'limit', $mosConfig_list_limit ) );
      $limitstart = intval( mosGetParam( $_GET, 'limitstart', 0 ) );
      
      // prepares searchword for proper display in url
      $searchword_clean = urlencode(stripslashes($searchword_clean));
      
      if ( $n ) {
      // html output
         require_once( $GLOBALS['mosConfig_absolute_path'] . '/includes/pageNavigation.php' );
         $pageNav = new mosPageNav( $total, $limitstart, $limit );

         search_html::display( $rows, $params, $pageNav, $limitstart, $limit, $total, $totalRows, $searchword_clean );
      } else {
      // html output
         search_html::displaynoresult();
      }

      // html output
      search_html::conclusion( $searchword_clean, $pageNav );
   }

   // displays back button
   echo '<br/>';
   mosHTML::BackButton ( $params, 0 );
}

function mosLogSearch( $search_term ) {
   global $database;
   global $mosConfig_enable_log_searches;

   if ( @$mosConfig_enable_log_searches ) {
      $query = "SELECT hits"
      . "\n FROM #__core_log_searches"
      . "\n WHERE LOWER( search_term ) = '$search_term'"
      ;
      $database->setQuery( $query );
      $hits = intval( $database->loadResult() );
      if ( $hits ) {
         $query = "UPDATE #__core_log_searches"
         . "\n SET hits = ( hits + 1 )"
         . "\n WHERE LOWER( search_term ) = '$search_term'"
         ;
         $database->setQuery( $query );
         $database->query();
      } else {
         $query = "INSERT INTO #__core_log_searches VALUES ( '$search_term', 1 )"
         ;
         $database->setQuery( $query );
         $database->query();
      }
   }
}
?>