<?php

/**!info**

{

	"Plugin Name"  : "plugin_specialsearch_title",

	"Plugin URI"   : "http://enanocms.org/",

	"Description"  : "plugin_specialsearch_desc",

	"Author"       : "Dan Fuhry",

	"Version"      : "1.1.6",

	"Author URI"   : "http://enanocms.org/"

}

**!*/

/*

 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between

 * Copyright (C) 2006-2009 Dan Fuhry

 *

 * This program is Free Software; you can redistribute 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.

 *

 * 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 details.

 */

// $plugins->attachHook('session_started', 'SpecialSearch_paths_init();');

function SpecialSearch_paths_init()

{

	register_special_page('SearchRebuild', 'specialpage_search_rebuild');

	register_special_page('Search', 'specialpage_search');

}

function page_Special_SearchRebuild()

{

	global $db, $session, $paths, $template, $plugins; // Common objects

	if ( !$session->get_permissions('mod_misc') )

	{

		die_friendly('Unauthorized', '<p>You need to be an administrator to rebuild the search index</p>');

	}

	$template->header();

	@set_time_limit(0);

	echo '<p>';

	if($paths->rebuild_search_index(true))

		echo '</p><p>Index rebuilt!</p>';

	else

		echo '<p>Index was not rebuilt due to an error.';

	$template->footer();

}

function page_Special_Search()

{

	global $db, $session, $paths, $template, $plugins; // Common objects

	global $aggressive_optimize_html;

	global $lang;

	require_once(ENANO_ROOT.'/includes/search.php');

	$aggressive_optimize_html = false;

	if ( !$q = $paths->getParam(0) )

		$q = ( isset($_GET['q']) ) ? $_GET['q'] : '';

	if(isset($_GET['words_any']))

	{

		$q = '';

		if(!empty($_GET['words_any']))

		{

			$q .= $_GET['words_any'] . ' ';

		}

		if(!empty($_GET['exact_phrase']))

		{

			$q .= '"' . $_GET['exact_phrase'] . '" ';

		}

		if(!empty($_GET['exclude_words']))

		{

			$not = explode(' ', $_GET['exclude_words']);

			foreach ( $not as $i => $foo )

			{

				$not[$i] = '-' . $not[$i];

			}

			$q .= implode(' ', $not) . ' ';

		}

		if(!empty($_GET['require_words']))

		{

			$req = explode(' ', $_GET['require_words']);

			foreach ( $req as $i => $foo )

			{

				$req[$i] = '+' . $req[$i];

			}

			$q .= implode(' ', $req) . ' ';

		}

	}

	$q = trim($q);

	$template->header();

	$qin = ( isset($q) ) ? str_replace('"', '\"', htmlspecialchars($q)) : '';

	$search_form = '<form action="' . makeUrlNS('Special', 'Search') . '">

	<input type="text" tabindex="1" name="q" size="50" value="' . $qin . '" />&nbsp;<input tabindex="2" type="submit" value="' . $lang->get('search_btn_search') . '" />&nbsp;<a href="' . makeUrlNS('Special', 'Search') . '">' . $lang->get('search_btn_advanced_search') . '</a>

	' . ( $session->auth_level > USER_LEVEL_MEMBER ? '<input type="hidden" name="auth" value="' . $session->sid_super . '" />' : '' ) . '

	</form>';

	if ( !empty($q) )

	{

		$search_start = microtime_float();

		$results = perform_search($q, $warn, ( isset($_GET['match_case']) ), $word_list);

		$warn = array_unique($warn);

		if ( file_exists( ENANO_ROOT . '/themes/' . $template->theme . '/search-result.tpl' ) )

		{

			$parser = $template->makeParser('search-result.tpl');

		}

		else

		{

			$tpl_code = <<<LONGSTRING

			<!-- Start search result -->

			<div class="search-result">

				<p>

 				<h3><a href="{RESULT_URL}"><span class="search-result-annotation">{PAGE_NOTE}</span>{PAGE_TITLE}</a></h3>

					{PAGE_TEXT}

					<span class="search-result-url">{PAGE_URL}</span> - 

					<!-- BEGINNOT special_page --><span class="search-result-info">{PAGE_LENGTH} {PAGE_LENGTH_UNIT}</span> -<!-- END special_page --> 

					<span class="search-result-info">{lang:search_lbl_relevance} {RELEVANCE_SCORE}%</span>

				</p>

			</div>

			<!-- Finish search result -->

LONGSTRING;

			$parser = $template->makeParserText($tpl_code);

		}

		foreach ( $results as $i => $_ )

		{

			$result =& $results[$i];

			$result['page_text'] = str_replace(array('<highlight>', '</highlight>'), array('<span class="search-term">', '</span>'), $result['page_text']);

			if ( !empty($result['page_text']) )

				$result['page_text'] .= '<br />';

			$result['page_name'] = str_replace(array('<highlight>', '</highlight>'), array('<span class="title-search-term">', '</span>'), $result['page_name']);

			$result['url_highlight'] = str_replace(array('<highlight>', '</highlight>'), array('<span class="url-search-term">', '</span>'), $result['url_highlight']);

			if ( $result['page_length'] >= 1048576 )

			{

				$result['page_length'] = round($result['page_length'] / 1048576, 1);

				$length_unit = $lang->get('etc_unit_megabytes_short');

			}

			else if ( $result['page_length'] >= 1024 )

			{

				$result['page_length'] = round($result['page_length'] / 1024, 1);

				$length_unit = $lang->get('etc_unit_kilobytes_short');

			}

			else

			{

				$length_unit = $lang->get('etc_unit_bytes');

			}

			//$url = makeUrlComplete($result['namespace'], $result['page_id']);

			//$url = preg_replace('/\?.+$/', '', $url);

			$url = $result['url_highlight'];

			$parser->assign_vars(array(

 				'PAGE_TITLE' => $result['page_name'],

 				'PAGE_TEXT' => $result['page_text'],

 				'PAGE_LENGTH' => $result['page_length'],

 				'RELEVANCE_SCORE' => $result['score'],

 				'RESULT_URL' => makeUrlNS($result['namespace'], $result['page_id'], false, true) . ( isset($result['url_append']) ? $result['url_append'] : '' ),

 				'PAGE_LENGTH_UNIT' => $length_unit,

 				'PAGE_URL' => $url,

 				'PAGE_NOTE' => ( isset($result['page_note']) ? $result['page_note'] . ' ' : '' )

				));

			$has_content = ( $result['namespace'] == 'Special' || !empty($result['zero_length']) );

			$code = $plugins->setHook('search_global_results');

			foreach ( $code as $cmd )

			{

				eval($cmd);

			}

			$parser->assign_bool(array(

					'special_page' => $has_content

				));

			$result = $parser->run();

		}

		unset($result);

		$per_page = 10;

		$start = ( isset($_GET['start']) ? intval($_GET['start']) : 0 );

		// for plugin compatibility:

		$offset =& $start;

		$start_string = $start + 1;

		$per_string = $start_string + $per_page - 1;

		$num_results = count($results);

		if ( $per_string > $num_results )

			$per_string = $num_results;

		$search_time = microtime_float() - $search_start;

		$search_time = round($search_time, 3);

		$q_trim = ( strlen($q) > 30 ) ? substr($q, 0, 27) . '...' : $q;

		$q_trim = htmlspecialchars($q_trim);

		$result_detail = $lang->get('search_msg_result_detail', array(

				'start_string' => $start_string,

				'per_string' => $per_string,

				'q_trim' => $q_trim,

				'num_results' => $num_results,

				'search_time' => $search_time

			));

		$result_string = ( count($results) > 0 ) ? $result_detail : $lang->get('search_msg_no_results');

		echo '<div class="search-hibar">

						<div style="float: right;">

							' . $result_string . '

						</div>

						<b>' . $lang->get('search_lbl_site_search') . '</b>

					</div>

					<div class="search-lobar">

						' . $search_form . '

					</div>';

		if ( count($warn) > 0 )

		{

			echo '<div class="warning-box" style="margin: 10px 0 0 0;">';

			echo '<b>' . $lang->get('search_err_query_title') . '</b><br />

						' . $lang->get('search_err_query_body');

			echo '<ul><li>' . implode('</li><li>', $warn) . '</li></ul>';

			echo '</div>';

		}

		if ( count($results) > 0 )

		{

			$html = paginate_array(

					$results,

					count($results),

					makeUrlNS('Special', 'Search', 'q=' . str_replace('%', '%%', htmlspecialchars(urlencode($q))) . '&start=%s'),

					$start,

					$per_page

				);

			echo $html;

		}

		else

		{

			// No results for the search

			echo '<h3 style="font-weight: normal;">' . $lang->get('search_body_no_results_title', array('query' => htmlspecialchars($q))) . '</h3>';

			echo $lang->get('search_body_no_results_body', array(

					'query' => htmlspecialchars($q),

					'create_url' => makeUrl($q),

					'special_url' => makeUrlNS('Special', 'SpecialPages'),

				));

		}

		$code = $plugins->setHook('search_results');

		foreach ( $code as $cmd )

		{

			eval($cmd);

		}

	}

	else

	{

		?>

		<form action="<?php echo makeUrl($paths->page); ?>" method="get">

			<?php if ( urlSeparator == '&' ): ?>

				<input type="hidden" name="title" value="<?php echo $paths->nslist['Special'] . 'Search'; ?>" />

			<?php 

			echo ( $session->auth_level > USER_LEVEL_MEMBER ? '<input type="hidden" name="auth" value="' . $session->sid_super . '" />' : '' );

			endif; ?>

			<div class="tblholder">

				<table border="0" style="width: 100%;" cellspacing="1" cellpadding="4">

					<tr><th colspan="2"><?php echo $lang->get('search_th_advanced_search'); ?></th></tr>

					<tr>

						<td class="row1"><?php echo $lang->get('search_lbl_field_any'); ?></td>

						<td class="row1"><input type="text" name="words_any" size="40" /></td>

					</tr>

					<tr>

						<td class="row2"><?php echo $lang->get('search_lbl_field_exact'); ?></td>

						<td class="row2"><input type="text" name="exact_phrase" size="40" /></td>

					</tr>

					<tr>

						<td class="row1"><?php echo $lang->get('search_lbl_field_none'); ?></td>

						<td class="row1"><input type="text" name="exclude_words" size="40" /></td>

					</tr>

					<tr>

						<td class="row2"><?php echo $lang->get('search_lbl_field_all'); ?></td>

						<td class="row2"><input type="text" name="require_words" size="40" /></td>

					</tr>

					<tr>

						<td class="row1">

							<label for="chk_case"><?php echo $lang->get('search_lbl_field_casesensitive'); ?></label>

						</td>

						<td class="row1">

							<input type="checkbox" name="match_case" id="chk_case" />

						</td>

					</tr>

					<tr>

						<th colspan="2" class="subhead">

							<input type="submit" name="do_search" value="<?php echo $lang->get('search_btn_search'); ?>" />

						</td>

					</tr>

				</table>

			</div>

		</form>

		<?php

	}

	$template->footer();

}

?>