plugins/SpecialSearch.php
author Dan
Sun, 01 Jul 2007 14:15:46 -0400
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child 36 425261984266
permissions -rw-r--r--
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<?php
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/*
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Plugin Name: Search UI/frontend
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Plugin URI: http://www.enanocms.org/
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Description: Provides the page Special:Search, which is a frontend to the Enano search engine.
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Author: Dan Fuhry
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Version: 1.0
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Author URI: http://www.enanocms.org/
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*/
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/*
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 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
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 * Version 1.0 release candidate 2
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 * Copyright (C) 2006-2007 Dan Fuhry
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 *
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 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
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 */
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$plugins->attachHook('base_classes_initted', '
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  global $paths;
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    $paths->add_page(Array(
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      \'name\'=>\'Rebuild search index\',
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      \'urlname\'=>\'SearchRebuild\',
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      \'namespace\'=>\'Special\',
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      \'special\'=>0,\'visible\'=>0,\'comments_on\'=>0,\'protected\'=>1,\'delvotes\'=>0,\'delvote_ips\'=>\'\',
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      ));
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    $paths->add_page(Array(
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      \'name\'=>\'Search\',
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      \'urlname\'=>\'Search\',
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      \'namespace\'=>\'Special\',
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      \'special\'=>0,\'visible\'=>1,\'comments_on\'=>0,\'protected\'=>1,\'delvotes\'=>0,\'delvote_ips\'=>\'\',
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      ));
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    ');
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function page_Special_SearchRebuild()
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{
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  global $db, $session, $paths, $template, $plugins; // Common objects
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  if(!$session->get_permissions('mod_misc')) die_friendly('Unauthorized', '<p>You need to be an administrator to rebuild the search index</p>');
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  $template->header();
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  if($paths->rebuild_search_index())
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    echo '<p>Index rebuilt!</p>';
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  else
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    echo '<p>Index was not rebuilt due to an error.';
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  $template->footer();
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}
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function page_Special_Search()
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{
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  global $db, $session, $paths, $template, $plugins; // Common objects
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  if(!$q = $paths->getParam(0)) $q = ( isset($_GET['q']) ) ? $_GET['q'] : false;
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  if(isset($_GET['words_any']))
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  {
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    $q = '';
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    if(!empty($_GET['words_any']))
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    {
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      $q .= $_GET['words_any'] . ' ';
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    }
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    if(!empty($_GET['exact_phrase']))
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    {
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      $q .= '"' . $_GET['exact_phrase'] . '" ';
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    }
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    if(!empty($_GET['exclude_words']))
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    {
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      $not = explode(' ', $_GET['exclude_words']);
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      foreach ( $not as $i => $foo )
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      {
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        $not[$i] = '-' . $not[$i];
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      }
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      $q .= implode(' ', $not);
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    }
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    if(!empty($_GET['require_words']))
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    {
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      $req = explode(' ', $_GET['require_words']);
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      foreach ( $req as $i => $foo )
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      {
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        $req[$i] = '+' . $req[$i];
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      }
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      $q .= implode(' ', $req);
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    }
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  }
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  $template->header();
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  if(!empty($q))
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  {
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    switch(SEARCH_MODE)
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    {
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      case "FULLTEXT":
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        if ( isset($_GET['offset']) )
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        {
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          $offset = intval($_GET['offset']);
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        }
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        else
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        {
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          $offset = 0;
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        }
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        $sql = $db->sql_query('SELECT search_id FROM '.table_prefix.'search_cache WHERE query=\''.$db->escape($q).'\';');
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        if(!$sql)
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        {
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          $db->_die('Error scanning search query cache');
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        }
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        if($db->numrows() > 0)
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        {
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          $row = $db->fetchrow();
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          $db->free_result();
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          search_fetch_fulltext_results(intval($row['search_id']), $offset);
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        }
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        else
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        {
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          // Perform search
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          $search = new MySQL_Fulltext_Search();
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          // Parse the query
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          $parse = new Searcher();
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          $query = $parse->parseQuery($q);
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          unset($parse);
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          // Send query to MySQL
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          $sql = $search->search($q);
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          $results = Array();
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          if ( $row = $db->fetchrow($sql) )
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          {
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            do {
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              $results[] = $row;
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            } while ( $row = $db->fetchrow($sql) );
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          }
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          else
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          {
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            // echo '<div class="warning-box">No pages that matched your search criteria could be found.</div>';
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          }
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          $texts = Array();
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          foreach ( $results as $result )
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          {
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            $texts[] = render_fulltext_result($result, $query);
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          }
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          // Store the result in the search cache...if someone makes the same query later we can skip searching and rendering
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          // This cache is cleared when an affected page is saved.
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          $results = serialize($texts);
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          $sql = $db->sql_query('INSERT INTO '.table_prefix.'search_cache(search_time,query,results) VALUES('.time().', \''.$db->escape($q).'\', \''.$db->escape($results).'\');');
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          if($sql)
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          {
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            search_render_fulltext_results(unserialize($results), $offset, $q);
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          }
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          else
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          {
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            $db->_die('Error inserting search into cache');
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          }
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        }
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        break;
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parents:
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   159
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      case "BUILTIN":
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        $titles = $paths->makeTitleSearcher(isset($_GET['match_case']));
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        if ( isset($_GET['offset']) )
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parents:
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        {
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          $offset = intval($_GET['offset']);
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parents:
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        }
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parents:
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   166
        else
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parents:
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   167
        {
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   168
          $offset = 0;
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parents:
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   169
        }
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        $sql = $db->sql_query('SELECT search_id FROM '.table_prefix.'search_cache WHERE query=\''.$db->escape($q).'\';');
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        if(!$sql)
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parents:
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        {
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          $db->_die('Error scanning search query cache');
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        }
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        if($db->numrows() > 0)
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parents:
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        {
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          $row = $db->fetchrow();
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          $db->free_result();
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          search_show_results(intval($row['search_id']), $offset);
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   180
        }
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        else
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parents:
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        {
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          $titles->search($q, $paths->get_page_titles());
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          $search = $paths->makeSearcher(isset($_GET['match_case']));
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          $texts = $paths->fetch_page_search_resource();
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   186
          $search->searchMySQL($q, $texts);
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   187
          
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   188
          $results = Array();
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   189
          $results['text'] = $search->results;
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          $results['page'] = $titles->results;
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   191
          $results['warn'] = $search->warnings;
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parents:
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   192
          
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   193
          $results = serialize($results);
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parents:
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   194
          
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   195
          $sql = $db->sql_query('INSERT INTO '.table_prefix.'search_cache(search_time,query,results) VALUES('.time().', \''.$db->escape($q).'\', \''.$db->escape($results).'\');');
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   196
          if($sql)
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parents:
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   197
          {
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   198
            search_render_results(unserialize($results), $offset, $q);
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   199
          }
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   200
          else
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parents:
diff changeset
   201
          {
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   202
            $db->_die('Error inserting search into cache');
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   203
          }
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parents:
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   204
        }
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parents:
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   205
        break;
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parents:
diff changeset
   206
    }
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   207
    $code = $plugins->setHook('search_results'); // , Array('query'=>$q));
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   208
    foreach ( $code as $cmd )
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   209
    {
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   210
      eval($cmd);
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diff changeset
   211
    }
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parents:
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   212
    ?>
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parents:
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   213
    <form action="<?php echo makeUrl($paths->page); ?>" method="get">
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   214
      <p>
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   215
        <input type="text" name="q" size="40" value="<?php echo htmlspecialchars( $q ); ?>" />  <input type="submit" value="Search" />  <small><a href="<?php echo makeUrlNS('Special', 'Search'); ?>">Advanced Search</a></small>
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diff changeset
   216
      </p>
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diff changeset
   217
    </form>
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parents:
diff changeset
   218
    <?php
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parents:
diff changeset
   219
  }
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parents:
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   220
  else
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parents:
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   221
  {
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diff changeset
   222
  ?>
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   223
    <br />
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parents:
diff changeset
   224
    <form action="<?php echo makeUrl($paths->page); ?>" method="get">
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   225
      <div class="tblholder">
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   226
        <table border="0" style="width: 100%;" cellspacing="1" cellpadding="4">
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   227
          <tr><th colspan="2">Advanced Search</th></tr>
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diff changeset
   228
          <tr>
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   229
            <td class="row1">Search for pages with <b>any of these words</b>:</td>
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   230
            <td class="row1"><input type="text" name="words_any" size="40" /></td>
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   231
          </tr>
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   232
          <tr>
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            <td class="row2">with <b>this exact phrase</b>:</td>
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   234
            <td class="row2"><input type="text" name="exact_phrase" size="40" /></td>
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   235
          </tr>
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   236
          <tr>
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            <td class="row1">with <b>none of these words</b>:</td>
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   238
            <td class="row1"><input type="text" name="exclude_words" size="40" /></td>
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   239
          </tr>
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          <tr>
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            <td class="row2">with <b>all of these words</b>:</td>
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diff changeset
   242
            <td class="row2"><input type="text" name="require_words" size="40" /></td>
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diff changeset
   243
          </tr>
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          <tr>
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   245
            <td class="row1">
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diff changeset
   246
              <label for="chk_case">Case-sensitive search:</label>
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diff changeset
   247
            </td>
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parents:
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   248
            <td class="row1">
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parents:
diff changeset
   249
              <input type="checkbox" name="match_case" id="chk_case" />
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diff changeset
   250
            </td>
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   251
          </tr>
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   252
          <tr>
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   253
            <th colspan="2" class="subhead">
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parents:
diff changeset
   254
              <input type="submit" name="do_search" value="Search" />
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diff changeset
   255
            </td>
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diff changeset
   256
          </tr>
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diff changeset
   257
        </table>
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   258
      </div>
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diff changeset
   259
    </form>
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diff changeset
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  <?php
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diff changeset
   261
  }
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   262
  $template->footer();
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diff changeset
   263
}
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parents:
diff changeset
   264
902822492a68 Initial population
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   265
function search_show_results($search_id, $start = 0)
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diff changeset
   266
{
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   267
  global $db, $session, $paths, $template, $plugins; // Common objects
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diff changeset
   268
  $q = $db->sql_query('SELECT query,results,search_time FROM '.table_prefix.'search_cache WHERE search_id='.intval($search_id).';');
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diff changeset
   269
  if(!$q)
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diff changeset
   270
    return $db->get_error('Error selecting cached search results');
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diff changeset
   271
  $row = $db->fetchrow();
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diff changeset
   272
  $db->free_result();
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diff changeset
   273
  $results = unserialize($row['results']);
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diff changeset
   274
  search_render_results($results, $start, $row['query']);
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parents:
diff changeset
   275
}
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diff changeset
   276
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   277
function search_render_results($results, $start = 0, $q = '')
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parents:
diff changeset
   278
{
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   279
  global $db, $session, $paths, $template, $plugins; // Common objects
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parents:
diff changeset
   280
  $nr1 = sizeof($results['page']);
902822492a68 Initial population
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parents:
diff changeset
   281
  $nr2 = sizeof($results['text']);
902822492a68 Initial population
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parents:
diff changeset
   282
  $nr  = ( $nr1 > $nr2 ) ? $nr1 : $nr2;
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parents:
diff changeset
   283
  $results['page'] = array_slice($results['page'], $start, SEARCH_RESULTS_PER_PAGE);
902822492a68 Initial population
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parents:
diff changeset
   284
  $results['text'] = array_slice($results['text'], $start, SEARCH_RESULTS_PER_PAGE);
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parents:
diff changeset
   285
  
902822492a68 Initial population
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parents:
diff changeset
   286
  // Pagination
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parents:
diff changeset
   287
  $pagination = '';
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parents:
diff changeset
   288
  if ( $nr1 > SEARCH_RESULTS_PER_PAGE || $nr2 > SEARCH_RESULTS_PER_PAGE )
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parents:
diff changeset
   289
  {
902822492a68 Initial population
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parents:
diff changeset
   290
    $pagination .= '<div class="tblholder" style="padding: 0; display: table; margin: 0 0 0 auto; float: right;">
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parents:
diff changeset
   291
          <table border="0" style="width: 100%;" cellspacing="1" cellpadding="4">
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parents:
diff changeset
   292
          <tr>
902822492a68 Initial population
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parents:
diff changeset
   293
          <th>Page:</th>';
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parents:
diff changeset
   294
    $num_pages = ceil($nr / SEARCH_RESULTS_PER_PAGE);
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parents:
diff changeset
   295
    $j = 0;
902822492a68 Initial population
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parents:
diff changeset
   296
    for ( $i = 1; $i <= $num_pages; $i++ ) 
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parents:
diff changeset
   297
    {
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parents:
diff changeset
   298
      if ($j == $start)
902822492a68 Initial population
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parents:
diff changeset
   299
        $pagination .= '<td class="row1"><b>' . $i . '</b></td>';
902822492a68 Initial population
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parents:
diff changeset
   300
      else
902822492a68 Initial population
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parents:
diff changeset
   301
        $pagination .= '<td class="row1"><a href="' . makeUrlNS('Special', 'Search', 'q=' . urlencode($q) . '&offset=' . $j, true) . '">' . $i . '</a></td>';
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parents:
diff changeset
   302
      $j = $j + SEARCH_RESULTS_PER_PAGE;
902822492a68 Initial population
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parents:
diff changeset
   303
    }
902822492a68 Initial population
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parents:
diff changeset
   304
    $pagination .= '</tr></table></div>';
902822492a68 Initial population
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parents:
diff changeset
   305
  }
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   306
  
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   307
  echo $pagination;
902822492a68 Initial population
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parents:
diff changeset
   308
  
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   309
  if ( $nr1 >= $start )
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   310
  {
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   311
    echo '<h3>Page title matches</h3>';
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   312
    if(count($results['page']) < 1)
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   313
    {
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   314
      echo '<div class="error-box">No pages with a title that matched your search criteria could be found.</div>';
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   315
    }
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   316
    else
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   317
    {
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   318
      echo '<p>';
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   319
      foreach($results['page'] as $page => $text)
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   320
      {
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   321
        echo '<a href="'.makeUrl($page).'">'.$paths->pages[$page]['name'].'</a><br />';
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   322
      }
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   323
      echo '</p>';
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   324
    }
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   325
  }
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   326
  if ( $nr2 >= $start )
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   327
  {
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   328
    echo '<h3>Page text matches</h3>';
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   329
    if(count($results['text']) < 1)
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   330
    {
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   331
      echo '<div class="error-box">No page text that matched your search criteria could be found.</div>';
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   332
    }
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   333
    else
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   334
    {
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   335
      foreach($results['text'] as $kpage => $text)
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   336
      {
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   337
        preg_match('#^ns=('.implode('|', array_keys($paths->nslist)).');pid=(.*?)$#i', $kpage, $matches);
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   338
        $page = $paths->nslist[$matches[1]] . $matches[2];
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   339
        echo '<p><span style="font-size: larger;"><a href="'.makeUrl($page).'">'.$paths->pages[$page]['name'].'</a></span><br />'.$text.'</p>';
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   340
      }
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   341
    }
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   342
  }
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   343
  if(count($results['warn']) > 0)
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   344
    echo '<div class="warning-box"><b>Your search may not include all results.</b><br />The following errors were encountered during the search:<br /><ul><li>'.implode('</li><li>', $results['warn']).'</li></ul></div>';
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   345
  echo $pagination;
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   346
}
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   347
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   348
function render_fulltext_result($result, $query)
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   349
{
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   350
  global $db, $session, $paths, $template, $plugins; // Common objects
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   351
  preg_match('#^ns=('.implode('|', array_keys($paths->nslist)).');pid=(.*?)$#i', $result['page_identifier'], $matches);
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   352
  $page = $paths->nslist[$matches[1]] . $matches[2];
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   353
  //$score = round($result['score'] * 100, 1);
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   354
  $score = number_format($result['score'], 2);
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   355
  $char_length = $result['length'];
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   356
  $result_template = <<<TPLCODE
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   357
  <div class="search-result">
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   358
    <h3><a href="{HREF}">{TITLE}</a></h3>
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   359
    <p>{TEXT}</p>
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   360
    <p>
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   361
      <span class="search-result-info">{NAMESPACE} - Relevance score: {SCORE} ({LENGTH} bytes)</span>
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   362
    </p>
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   363
  </div>
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   364
TPLCODE;
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   365
  $parser = $template->makeParserText($result_template);
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   366
  
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   367
  $pt =& $result['page_text'];
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   368
  $space_chars = Array("\t", "\n", "\r", " ");
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   369
  
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   370
  $words = array_merge($query['any'], $query['req']);
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   371
  $pt = htmlspecialchars($pt);
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   372
  $words2 = array();
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   373
  
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   374
  for ( $i = 0; $i < sizeof($words); $i++)
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   375
  {
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   376
    if(!empty($words[$i]))
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   377
      $words2[] = preg_quote($words[$i]);
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   378
  }
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   379
  
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   380
  $regex = '/(' . implode('|', $words2) . ')/i';
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   381
  $pt = preg_replace($regex, '<span class="search-term">\\1</span>', $pt);
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   382
  
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   383
  $title = preg_replace($regex, '<span class="title-search-term">\\1</span>', $paths->pages[$page]['name']);
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   384
  
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   385
  $cut_off = false;
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   386
  
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   387
  foreach ( $words as $word )
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   388
  {
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   389
    // Boldface searched words
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   390
    $ptlen = strlen($pt);
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   391
    for ( $i = 0; $i < $ptlen; $i++ )
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   392
    {
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   393
      $len = strlen($word);
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   394
      if ( strtolower(substr($pt, $i, $len)) == strtolower($word) )
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   395
      {
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   396
        $chunk1 = substr($pt, 0, $i);
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   397
        $chunk2 = substr($pt, $i, $len);
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   398
        $chunk3 = substr($pt, ( $i + $len ));
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   399
        $pt = $chunk1 . $chunk2 . $chunk3;
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   400
        $ptlen = strlen($pt);
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   401
        // Cut off text to 150 chars or so
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   402
        if ( !$cut_off )
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   403
        {
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   404
          $cut_off = true;
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   405
          if ( $i - 75 > 0 )
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   406
          {
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   407
            // Navigate backwards until a space character is found
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   408
            $chunk = substr($pt, 0, ( $i - 75 ));
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   409
            $final_chunk = $chunk;
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   410
            for ( $j = strlen($chunk); $j > 0; $j = $j - 1 )
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   411
            {
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   412
              if ( in_array($chunk{$j}, $space_chars) )
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   413
              {
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   414
                $final_chunk = substr($chunk, $j + 1);
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   415
                break;
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   416
              }
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   417
            }
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   418
            $mid_chunk = substr($pt, ( $i - 75 ), 75);
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   419
            
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   420
            $clipped = '...' . $final_chunk . $mid_chunk . $chunk2;
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   421
            
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   422
            $chunk = substr($pt, ( $i + strlen($chunk2) + 75 ));
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   423
            $final_chunk = $chunk;
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   424
            for ( $j = 0; $j < strlen($chunk); $j++ )
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   425
            {
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   426
              if ( in_array($chunk{$j}, $space_chars) )
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   427
              {
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   428
                $final_chunk = substr($chunk, 0, $j);
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   429
                break;
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   430
              }
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   431
            }
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   432
            
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   433
            $end_chunk = substr($pt, ( $i + strlen($chunk2) ), 75 );
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   434
            
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   435
            $clipped .= $end_chunk . $final_chunk . '...';
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   436
            
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   437
            $pt = $clipped;
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   438
          }
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   439
          else if ( strlen($pt) > 200 )
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   440
          {
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   441
            $mid_chunk = substr($pt, ( $i - 75 ), 75);
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   442
            
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   443
            $clipped = $chunk1 . $chunk2;
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   444
            
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   445
            $chunk = substr($pt, ( $i + strlen($chunk2) + 75 ));
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   446
            $final_chunk = $chunk;
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   447
            for ( $j = 0; $j < strlen($chunk); $j++ )
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   448
            {
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   449
              if ( in_array($chunk{$j}, $space_chars) )
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   450
              {
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   451
                $final_chunk = substr($chunk, 0, $j);
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   452
                break;
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   453
              }
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   454
            }
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   455
            
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   456
            $end_chunk = substr($pt, ( $i + strlen($chunk2) ), 75 );
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   457
            
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   458
            $clipped .= $end_chunk . $final_chunk . '...';
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   459
            
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   460
            $pt = $clipped;
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   461
            
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   462
          }
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   463
          break 2;
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   464
        }
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   465
      }
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   466
    }
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   467
    $cut_off = false;
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   468
  }
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   469
  
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   470
  $parser->assign_vars(Array(
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   471
      'TITLE' => $title,
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   472
      'TEXT' => $pt,
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   473
      'NAMESPACE' => $matches[1],
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   474
      'SCORE' => $score,
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   475
      'LENGTH' => $char_length,
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   476
      'HREF' => makeUrl($page)
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   477
    ));
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   478
  
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   479
  return $parser->run();
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   480
  
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   481
}
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   482
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   483
function search_fetch_fulltext_results($search_id, $offset = 0)
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   484
{
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   485
  global $db, $session, $paths, $template, $plugins; // Common objects
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   486
  $q = $db->sql_query('SELECT query,results,search_time FROM '.table_prefix.'search_cache WHERE search_id='.intval($search_id).';');
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   487
  if(!$q)
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   488
    return $db->get_error('Error selecting cached search results');
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   489
  $row = $db->fetchrow();
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   490
  $db->free_result();
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   491
  $results = unserialize($row['results']);
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   492
  search_render_fulltext_results($results, $offset, $row['query']);
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   493
}
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   494
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   495
function search_render_fulltext_results($results, $offset = 0, $query)
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   496
{
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   497
  $num_results = sizeof($results);
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   498
  $slice = array_slice($results, $offset, SEARCH_RESULTS_PER_PAGE);
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   499
  
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   500
  if ( $num_results < 1 )
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   501
  {
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   502
    echo '<div class="warning-box">No pages that matched your search criteria could be found.</div>';
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   503
    return null;
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   504
  }
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   505
  
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   506
  $html = paginate_array($results, sizeof($results), makeUrlNS('Special', 'Search', 'q=' . urlencode($query) . '&offset=%s'), $offset, 10);
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   507
  echo $html . '<br />';
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   508
  
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   509
}
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   510
902822492a68 Initial population
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   511
?>