|
<?php defined('SYSPATH') or die('No direct script access.');
|
|
/*
|
|
* This file is part of open source system FreenetIS
|
|
* and it is released under GPLv3 licence.
|
|
*
|
|
* More info about licence can be found:
|
|
* http://www.gnu.org/licenses/gpl-3.0.html
|
|
*
|
|
* More info about project can be found:
|
|
* http://www.freenetis.org/
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* Controller handles search throught whole system.
|
|
*
|
|
* @author Michal Kliment
|
|
*/
|
|
class Search_Controller extends Controller
|
|
{
|
|
/**
|
|
* Array with results of search
|
|
*
|
|
* @var array
|
|
*/
|
|
private $results = array();
|
|
|
|
/**
|
|
* Only redirects to method simple
|
|
*
|
|
* @author Michal Kliment
|
|
*/
|
|
public function index()
|
|
{
|
|
url::redirect('search/simple/' . $this->input->get('keyword'));
|
|
}
|
|
|
|
/**
|
|
* Base method, makes search.
|
|
* Search result is placed to property $results
|
|
*
|
|
* @author Michal Kliment
|
|
* @param string $keyword
|
|
*/
|
|
private function search($keyword = NULL)
|
|
{
|
|
$keywords = explode(" ", trim($keyword));
|
|
|
|
$keys = array();
|
|
|
|
// finds all possible variations
|
|
for ($i = count($keywords); $i > 0; $i--)
|
|
$keys = arr::merge($keys, arr::variation($keywords, $i));
|
|
|
|
$search_model = new Search_Model();
|
|
|
|
$sums = array();
|
|
$counts = array();
|
|
$total_counts = array();
|
|
$values = array();
|
|
|
|
// foreach all search rules
|
|
foreach (Search_Model::$rules as $rule)
|
|
{
|
|
// foreach variations
|
|
foreach ($keys as $key)
|
|
{
|
|
if (isset($total_counts[$rule['model']]))
|
|
$total_counts[$rule['model']]++;
|
|
else
|
|
$total_counts[$rule['model']] = 1;
|
|
|
|
$result = $search_model->{$rule['method']}($key);
|
|
|
|
foreach ($result as $row)
|
|
{
|
|
// test how much are texts similar
|
|
similar_text(url::title($row->value, " "), url::title($key, " "), $percent);
|
|
if (!isset($sums[$rule['model']][$row->id]))
|
|
{
|
|
$sums[$rule['model']][$row->id] = 0;
|
|
$counts[$rule['model']][$row->id] = 0;
|
|
$values[$rule['model']][$row->id] = $row;
|
|
}
|
|
$sums[$rule['model']][$row->id] += $percent;
|
|
$counts[$rule['model']][$row->id]++;
|
|
}
|
|
}
|
|
}
|
|
|
|
$result_sums = array();
|
|
$result_counts = array();
|
|
|
|
// transforms to 1-dimensional array
|
|
foreach ($sums as $model => $model_sums)
|
|
{
|
|
foreach ($model_sums as $id => $sum)
|
|
{
|
|
$result_sums[] = $sum;
|
|
$result_counts[] = $counts[$model][$id] / $total_counts[$model];
|
|
$this->results[] = $values[$model][$id];
|
|
}
|
|
}
|
|
|
|
// sorts results
|
|
array_multisort($result_sums, SORT_DESC, $this->results, SORT_DESC);
|
|
}
|
|
|
|
/**
|
|
* Simple searching, uses method search
|
|
*
|
|
* @author Michal Kliment
|
|
* @param string $keyword
|
|
* @param integer $limit_results
|
|
* @param integer $page_word
|
|
* @param integer $page
|
|
*/
|
|
public function simple(
|
|
$keyword = NULL, $limit_results = 20, $page_word = 'page', $page = 1)
|
|
{
|
|
//$profiler = new Profiler();
|
|
// bad parameter
|
|
if (!$keyword)
|
|
Controller::warning(PARAMETER);
|
|
|
|
// searching
|
|
$this->search($keyword);
|
|
|
|
$pagination = new Pagination(array
|
|
(
|
|
'base_url' => Config::get('lang') . '/search/simple/'
|
|
. $keyword . '/' . $limit_results,
|
|
'uri_segment' => 'page',
|
|
'total_items' => count($this->results),
|
|
'items_per_page' => $limit_results
|
|
));
|
|
|
|
$from = ($page - 1) * $limit_results;
|
|
$to = $page * $limit_results;
|
|
|
|
if ($to >= count($this->results))
|
|
$to = count($this->results) - 1;
|
|
|
|
$view = new View('main');
|
|
$view->keyword = $keyword;
|
|
$view->title = $keyword . ' - ' . __('Searching');
|
|
$view->content = new View('search/simple');
|
|
$view->content->keyword = $keyword;
|
|
$view->content->total_items = count($this->results);
|
|
$view->content->pagination = $pagination;
|
|
$view->content->results = $this->results;
|
|
$view->content->from = $from;
|
|
$view->content->to = $to;
|
|
$view->render(TRUE);
|
|
|
|
//echo $profiler->render(TRUE);
|
|
}
|
|
|
|
/**
|
|
* Ajax searching (for whisper)
|
|
*
|
|
* @author Michal Kliment
|
|
* @param integer $count
|
|
*/
|
|
public function ajax($count = 100)
|
|
{
|
|
$this->search($this->input->get('q'));
|
|
|
|
$counter = 0;
|
|
|
|
// prints all results
|
|
foreach ($this->results as $result)
|
|
{
|
|
$counter++;
|
|
?>
|
|
<a href="<?php echo url_lang::base() . $result->link . $result->id ?>" class="whisper_search_result">
|
|
<b><?php echo $result->return_value ?></b><br />
|
|
<i><?php echo $result->desc ?></i>
|
|
</a>
|
|
<?php
|
|
if ($counter == $count)
|
|
break;
|
|
}
|
|
|
|
// no results
|
|
if (!$counter)
|
|
{
|
|
?>
|
|
<div class="whisper_search_result"><?php echo __('No items found.') ?></div>
|
|
<?php
|
|
}
|
|
}
|
|
|
|
}
|