Файл: contao-3.5.8/system/modules/core/modules/ModuleSearch.php
Строк: 197
<?php
/**
* Contao Open Source CMS
*
* Copyright (c) 2005-2016 Leo Feyer
*
* @license LGPL-3.0+
*/
namespace Contao;
/**
* Front end module "search".
*
* @author Leo Feyer <https://github.com/leofeyer>
*/
class ModuleSearch extends Module
{
/**
* Template
* @var string
*/
protected $strTemplate = 'mod_search';
/**
* Display a wildcard in the back end
*
* @return string
*/
public function generate()
{
if (TL_MODE == 'BE')
{
/** @var BackendTemplate|object $objTemplate */
$objTemplate = new BackendTemplate('be_wildcard');
$objTemplate->wildcard = '### ' . utf8_strtoupper($GLOBALS['TL_LANG']['FMD']['search'][0]) . ' ###';
$objTemplate->title = $this->headline;
$objTemplate->id = $this->id;
$objTemplate->link = $this->name;
$objTemplate->href = 'contao/main.php?do=themes&table=tl_module&act=edit&id=' . $this->id;
return $objTemplate->parse();
}
return parent::generate();
}
/**
* Generate the module
*/
protected function compile()
{
/** @var PageModel $objPage */
global $objPage;
// Mark the x and y parameter as used (see #4277)
if (isset($_GET['x']))
{
Input::get('x');
Input::get('y');
}
// Trigger the search module from a custom form
if (!isset($_GET['keywords']) && Input::post('FORM_SUBMIT') == 'tl_search')
{
$_GET['keywords'] = Input::post('keywords');
$_GET['query_type'] = Input::post('query_type');
$_GET['per_page'] = Input::post('per_page');
}
$blnFuzzy = $this->fuzzy;
$strQueryType = Input::get('query_type') ?: $this->queryType;
$strKeywords = trim(Input::get('keywords'));
/** @var FrontendTemplate|object $objFormTemplate */
$objFormTemplate = new FrontendTemplate((($this->searchType == 'advanced') ? 'mod_search_advanced' : 'mod_search_simple'));
$objFormTemplate->uniqueId = $this->id;
$objFormTemplate->queryType = $strQueryType;
$objFormTemplate->keyword = specialchars($strKeywords);
$objFormTemplate->keywordLabel = $GLOBALS['TL_LANG']['MSC']['keywords'];
$objFormTemplate->optionsLabel = $GLOBALS['TL_LANG']['MSC']['options'];
$objFormTemplate->search = specialchars($GLOBALS['TL_LANG']['MSC']['searchLabel']);
$objFormTemplate->matchAll = specialchars($GLOBALS['TL_LANG']['MSC']['matchAll']);
$objFormTemplate->matchAny = specialchars($GLOBALS['TL_LANG']['MSC']['matchAny']);
$objFormTemplate->id = (Config::get('disableAlias') && Input::get('id')) ? Input::get('id') : false;
$objFormTemplate->action = ampersand(Environment::get('indexFreeRequest'));
// Redirect page
if ($this->jumpTo && ($objTarget = $this->objModel->getRelated('jumpTo')) !== null)
{
/** @var PageModel $objTarget */
$objFormTemplate->action = $objTarget->getFrontendUrl();
}
$this->Template->form = $objFormTemplate->parse();
$this->Template->pagination = '';
$this->Template->results = '';
// Execute the search if there are keywords
if ($strKeywords != '' && $strKeywords != '*' && !$this->jumpTo)
{
// Reference page
if ($this->rootPage > 0)
{
$intRootId = $this->rootPage;
$arrPages = $this->Database->getChildRecords($this->rootPage, 'tl_page');
array_unshift($arrPages, $this->rootPage);
}
// Website root
else
{
$intRootId = $objPage->rootId;
$arrPages = $this->Database->getChildRecords($objPage->rootId, 'tl_page');
}
// HOOK: add custom logic (see #5223)
if (isset($GLOBALS['TL_HOOKS']['customizeSearch']) && is_array($GLOBALS['TL_HOOKS']['customizeSearch']))
{
foreach ($GLOBALS['TL_HOOKS']['customizeSearch'] as $callback)
{
$this->import($callback[0]);
$this->{$callback[0]}->{$callback[1]}($arrPages, $strKeywords, $strQueryType, $blnFuzzy);
}
}
// Return if there are no pages
if (!is_array($arrPages) || empty($arrPages))
{
$this->log('No searchable pages found', __METHOD__, TL_ERROR);
return;
}
$arrResult = null;
$strChecksum = md5($strKeywords . $strQueryType . $intRootId . $blnFuzzy);
$query_starttime = microtime(true);
$strCacheFile = 'system/cache/search/' . $strChecksum . '.json';
// Load the cached result
if (file_exists(TL_ROOT . '/' . $strCacheFile))
{
$objFile = new File($strCacheFile, true);
if ($objFile->mtime > time() - 1800)
{
$arrResult = json_decode($objFile->getContent(), true);
}
else
{
$objFile->delete();
}
}
// Cache the result
if ($arrResult === null)
{
try
{
$objSearch = Search::searchFor($strKeywords, ($strQueryType == 'or'), $arrPages, 0, 0, $blnFuzzy);
$arrResult = $objSearch->fetchAllAssoc();
}
catch (Exception $e)
{
$this->log('Website search failed: ' . $e->getMessage(), __METHOD__, TL_ERROR);
$arrResult = array();
}
File::putContent($strCacheFile, json_encode($arrResult));
}
$query_endtime = microtime(true);
// Sort out protected pages
if (Config::get('indexProtected') && !BE_USER_LOGGED_IN)
{
$this->import('FrontendUser', 'User');
foreach ($arrResult as $k=>$v)
{
if ($v['protected'])
{
if (!FE_USER_LOGGED_IN)
{
unset($arrResult[$k]);
}
else
{
$groups = deserialize($v['groups']);
if (!is_array($groups) || empty($groups) || !count(array_intersect($groups, $this->User->groups)))
{
unset($arrResult[$k]);
}
}
}
}
$arrResult = array_values($arrResult);
}
$count = count($arrResult);
$this->Template->count = $count;
$this->Template->page = null;
$this->Template->keywords = $strKeywords;
// No results
if ($count < 1)
{
$this->Template->header = sprintf($GLOBALS['TL_LANG']['MSC']['sEmpty'], $strKeywords);
$this->Template->duration = substr($query_endtime-$query_starttime, 0, 6) . ' ' . $GLOBALS['TL_LANG']['MSC']['seconds'];
return;
}
$from = 1;
$to = $count;
// Pagination
if ($this->perPage > 0)
{
$id = 'page_s' . $this->id;
$page = (Input::get($id) !== null) ? Input::get($id) : 1;
$per_page = Input::get('per_page') ?: $this->perPage;
// Do not index or cache the page if the page number is outside the range
if ($page < 1 || $page > max(ceil($count/$per_page), 1))
{
/** @var PageError404 $objHandler */
$objHandler = new $GLOBALS['TL_PTY']['error_404']();
$objHandler->generate($objPage->id);
}
$from = (($page - 1) * $per_page) + 1;
$to = (($from + $per_page) > $count) ? $count : ($from + $per_page - 1);
// Pagination menu
if ($to < $count || $from > 1)
{
$objPagination = new Pagination($count, $per_page, Config::get('maxPaginationLinks'), $id);
$this->Template->pagination = $objPagination->generate("n ");
}
$this->Template->page = $page;
}
// Get the results
for ($i=($from-1); $i<$to && $i<$count; $i++)
{
/** @var FrontendTemplate|object $objTemplate */
$objTemplate = new FrontendTemplate($this->searchTpl ?: 'search_default');
$objTemplate->url = $arrResult[$i]['url'];
$objTemplate->link = $arrResult[$i]['title'];
$objTemplate->href = $arrResult[$i]['url'];
$objTemplate->title = specialchars($arrResult[$i]['title']);
$objTemplate->class = (($i == ($from - 1)) ? 'first ' : '') . (($i == ($to - 1) || $i == ($count - 1)) ? 'last ' : '') . (($i % 2 == 0) ? 'even' : 'odd');
$objTemplate->relevance = sprintf($GLOBALS['TL_LANG']['MSC']['relevance'], number_format($arrResult[$i]['relevance'] / $arrResult[0]['relevance'] * 100, 2) . '%');
$objTemplate->filesize = $arrResult[$i]['filesize'];
$objTemplate->matches = $arrResult[$i]['matches'];
$arrContext = array();
$arrMatches = trimsplit(',', $arrResult[$i]['matches']);
// Get the context
foreach ($arrMatches as $strWord)
{
$arrChunks = array();
preg_match_all('/(^|b.{0,'.$this->contextLength.'}PL)' . str_replace('+', '\+', $strWord) . '(PL.{0,'.$this->contextLength.'}b|$)/ui', $arrResult[$i]['text'], $arrChunks);
foreach ($arrChunks[0] as $strContext)
{
$arrContext[] = ' ' . $strContext . ' ';
}
}
// Shorten the context and highlight all keywords
if (!empty($arrContext))
{
$objTemplate->context = trim(StringUtil::substrHtml(implode('…', $arrContext), $this->totalLength));
$objTemplate->context = preg_replace('/(PL)(' . implode('|', $arrMatches) . ')(PL)/ui', '$1<span class="highlight">$2</span>$3', $objTemplate->context);
$objTemplate->hasContext = true;
}
$this->Template->results .= $objTemplate->parse();
}
$this->Template->header = vsprintf($GLOBALS['TL_LANG']['MSC']['sResults'], array($from, $to, $count, $strKeywords));
$this->Template->duration = substr($query_endtime-$query_starttime, 0, 6) . ' ' . $GLOBALS['TL_LANG']['MSC']['seconds'];
}
}
}