mirror of
https://github.com/YunoHost-Apps/piwigo_ynh.git
synced 2024-09-03 20:06:03 +02:00
249 lines
No EOL
7.3 KiB
PHP
249 lines
No EOL
7.3 KiB
PHP
<?php
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// +-----------------------------------------------------------------------+
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// | Piwigo - a PHP based photo gallery |
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// +-----------------------------------------------------------------------+
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// | Copyright(C) 2008-2014 Piwigo Team http://piwigo.org |
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// | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net |
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// | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick |
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// +-----------------------------------------------------------------------+
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// | This program is free software; you can redistribute it and/or modify |
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// | it under the terms of the GNU General Public License as published by |
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// | the Free Software Foundation |
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// | |
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// | This program is distributed in the hope that it will be useful, but |
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// | WITHOUT ANY WARRANTY; without even the implied warranty of |
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// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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// | General Public License for more details. |
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// | |
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// | You should have received a copy of the GNU General Public License |
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// | along with this program; if not, write to the Free Software |
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// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
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// | USA. |
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// +-----------------------------------------------------------------------+
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defined('PHPWG_ROOT_PATH') or die ("Hacking attempt!");
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include_once(PHPWG_ROOT_PATH.'admin/include/tabsheet.class.php');
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$tabsheet = new tabsheet();
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$tabsheet->set_id('rating');
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$tabsheet->select('rating_user');
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$tabsheet->assign();
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$filter_min_rates = 2;
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if (isset($_GET['f_min_rates']))
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{
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$filter_min_rates = (int)$_GET['f_min_rates'];
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}
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$consensus_top_number = $conf['top_number'];
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if (isset($_GET['consensus_top_number']))
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{
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$consensus_top_number = (int)$_GET['consensus_top_number'];
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}
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// build users
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global $conf;
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$query = 'SELECT DISTINCT
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u.'.$conf['user_fields']['id'].' AS id,
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u.'.$conf['user_fields']['username'].' AS name,
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ui.status
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FROM '.USERS_TABLE.' AS u INNER JOIN '.USER_INFOS_TABLE.' AS ui
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ON u.'.$conf['user_fields']['id'].' = ui.user_id';
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$users_by_id = array();
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$result = pwg_query($query);
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while ($row = pwg_db_fetch_assoc($result))
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{
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$users_by_id[(int)$row['id']] = array(
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'name' => $row['name'],
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'anon' => is_autorize_status(ACCESS_CLASSIC, $row['status']) ? false : true
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);
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}
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$by_user_rating_model = array( 'rates' => array() );
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foreach($conf['rate_items'] as $rate)
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{
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$by_user_rating_model['rates'][$rate] = array();
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}
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// by user aggregation
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$image_ids = array();
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$by_user_ratings = array();
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$query = '
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SELECT * FROM '.RATE_TABLE.' ORDER by date DESC';
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$result = pwg_query($query);
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while ($row = pwg_db_fetch_assoc($result))
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{
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if (!isset($users_by_id[$row['user_id']]))
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{
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$users_by_id[$row['user_id']] = array('name' => '???'.$row['user_id'], 'anon' => false);
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}
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$usr = $users_by_id[$row['user_id']];
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if ($usr['anon'])
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{
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$user_key = $usr['name'].'('.$row['anonymous_id'].')';
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}
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else
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{
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$user_key = $usr['name'];
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}
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$rating = & $by_user_ratings[$user_key];
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if ( is_null($rating) )
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{
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$rating = $by_user_rating_model;
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$rating['uid'] = (int)$row['user_id'];
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$rating['aid'] = $usr['anon'] ? $row['anonymous_id'] : '';
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$rating['last_date'] = $row['date'];
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}
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$rating['rates'][$row['rate']][] = array(
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'id' => $row['element_id'],
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'date' => $row['date'],
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);
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$image_ids[$row['element_id']] = 1;
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unset($rating);
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}
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// get image tn urls
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$image_urls = array();
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if (count($image_ids) > 0 )
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{
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$query = 'SELECT id, name, file, path, representative_ext
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FROM '.IMAGES_TABLE.'
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WHERE id IN ('.implode(',', array_keys($image_ids)).')';
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$result = pwg_query($query);
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while ($row = pwg_db_fetch_assoc($result))
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{
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$image_urls[ $row['id'] ] = array(
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'tn' => DerivativeImage::thumb_url($row),
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'page' => make_picture_url( array('image_id'=>$row['id'], 'image_file'=>$row['file']) ),
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);
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}
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}
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//all image averages
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$query='SELECT element_id,
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AVG(rate) AS avg
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FROM '.RATE_TABLE.'
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GROUP BY element_id';
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$all_img_sum = array();
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$result = pwg_query($query);
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while ($row = pwg_db_fetch_assoc($result))
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{
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$all_img_sum[(int)$row['element_id']] = array( 'avg'=>(float)$row['avg'] );
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}
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$query='SELECT id
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FROM '.IMAGES_TABLE.'
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ORDER by rating_score DESC
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LIMIT '.$consensus_top_number;
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$best_rated = array_flip( array_from_query($query, 'id'));
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// by user stats
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foreach($by_user_ratings as $id => &$rating)
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{
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$c=0; $s=0; $ss=0; $consensus_dev=0; $consensus_dev_top=0; $consensus_dev_top_count=0;
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foreach($rating['rates'] as $rate => $rates)
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{
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$ct = count($rates);
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$c += $ct;
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$s += $ct * $rate;
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$ss += $ct * $rate * $rate;
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foreach($rates as $id_date)
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{
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$dev = abs($rate - $all_img_sum[$id_date['id']]['avg']);
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$consensus_dev += $dev;
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if (isset($best_rated[$id_date['id']]))
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{
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$consensus_dev_top += $dev;
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$consensus_dev_top_count++;
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}
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}
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}
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$consensus_dev /= $c;
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if ($consensus_dev_top_count)
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$consensus_dev_top /= $consensus_dev_top_count;
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$var = ($ss - $s*$s/$c)/$c;
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$rating += array(
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'id' => $id,
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'count' => $c,
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'avg' => $s/$c,
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'cv' => $s==0 ? -1 : sqrt($var)/($s/$c), // http://en.wikipedia.org/wiki/Coefficient_of_variation
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'cd' => $consensus_dev,
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'cdtop' => $consensus_dev_top_count ? $consensus_dev_top : ''
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);
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}
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unset($rating);
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// filter
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foreach($by_user_ratings as $id => $rating)
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{
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if ($rating['count'] <= $filter_min_rates)
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{
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unset($by_user_ratings[$id]);
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}
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}
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function avg_compare($a, $b)
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{
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$d = $a['avg'] - $b['avg'];
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return ($d==0) ? 0 : ($d<0 ? -1 : 1);
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}
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function count_compare($a, $b)
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{
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$d = $a['count'] - $b['count'];
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return ($d==0) ? 0 : ($d<0 ? -1 : 1);
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}
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function cv_compare($a, $b)
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{
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$d = $b['cv'] - $a['cv']; //desc
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return ($d==0) ? 0 : ($d<0 ? -1 : 1);
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}
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function consensus_dev_compare($a, $b)
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{
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$d = $b['cd'] - $a['cd']; //desc
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return ($d==0) ? 0 : ($d<0 ? -1 : 1);
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}
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$order_by_index=3;
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if (isset($_GET['order_by']) and is_numeric($_GET['order_by']))
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{
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$order_by_index = $_GET['order_by'];
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}
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$available_order_by= array(
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array(l10n('Average rate'), 'avg_compare'),
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array(l10n('Number of rates'), 'count_compare'),
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array(l10n('Variation'), 'cv_compare'),
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array(l10n('Consensus deviation'), 'consensus_dev_compare'),
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);
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for ($i=0; $i<count($available_order_by); $i++)
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{
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$template->append(
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'order_by_options',
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$available_order_by[$i][0]
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);
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}
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$template->assign('order_by_options_selected', array($order_by_index) );
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$x = uasort($by_user_ratings, $available_order_by[$order_by_index][1] );
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$template->assign( array(
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'F_ACTION' => get_root_url().'admin.php',
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'F_MIN_RATES' => $filter_min_rates,
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'CONSENSUS_TOP_NUMBER' => $consensus_top_number,
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'available_rates' => $conf['rate_items'],
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'ratings' => $by_user_ratings,
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'image_urls' => $image_urls,
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'TN_WIDTH' => 28+2*ImageStdParams::get_by_type(IMG_THUMB)->sizing->ideal_size[0],
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) );
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$template->set_filename('rating', 'rating_user.tpl');
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$template->assign_var_from_handle('ADMIN_CONTENT', 'rating');
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?>
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