source: trunk/admin/rating_user.php @ 25843

Last change on this file since 25843 was 19703, checked in by plg, 12 years ago

update Piwigo headers to 2013 (the end of the world didn't occur as expected on r12922)

  • Property svn:eol-style set to LF
File size: 6.5 KB
Line 
1<?php
2// +-----------------------------------------------------------------------+
3// | Piwigo - a PHP based photo gallery                                    |
4// +-----------------------------------------------------------------------+
5// | Copyright(C) 2008-2013 Piwigo Team                  http://piwigo.org |
6// | Copyright(C) 2003-2008 PhpWebGallery Team    http://phpwebgallery.net |
7// | Copyright(C) 2002-2003 Pierrick LE GALL   http://le-gall.net/pierrick |
8// +-----------------------------------------------------------------------+
9// | This program is free software; you can redistribute it and/or modify  |
10// | it under the terms of the GNU General Public License as published by  |
11// | the Free Software Foundation                                          |
12// |                                                                       |
13// | This program is distributed in the hope that it will be useful, but   |
14// | WITHOUT ANY WARRANTY; without even the implied warranty of            |
15// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      |
16// | General Public License for more details.                              |
17// |                                                                       |
18// | You should have received a copy of the GNU General Public License     |
19// | along with this program; if not, write to the Free Software           |
20// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
21// | USA.                                                                  |
22// +-----------------------------------------------------------------------+
23
24defined('PHPWG_ROOT_PATH') or die ("Hacking attempt!");
25
26include_once(PHPWG_ROOT_PATH.'admin/include/tabsheet.class.php');
27$tabsheet = new tabsheet();
28$tabsheet->set_id('rating');
29$tabsheet->select('rating_user');
30$tabsheet->assign();
31
32$filter_min_rates = 2;
33if (isset($_GET['f_min_rates']))
34{
35  $filter_min_rates = (int)$_GET['f_min_rates'];
36}
37
38// build users
39global $conf;
40$query = 'SELECT DISTINCT
41  u.'.$conf['user_fields']['id'].' AS id,
42  u.'.$conf['user_fields']['username'].' AS name,
43  ui.status
44  FROM '.USERS_TABLE.' AS u INNER JOIN '.USER_INFOS_TABLE.' AS ui
45    ON u.'.$conf['user_fields']['id'].' = ui.user_id';
46
47$users_by_id = array();
48$result = pwg_query($query);
49while ($row = pwg_db_fetch_assoc($result))
50{
51  $users_by_id[(int)$row['id']] = array(
52    'name' => $row['name'],
53    'anon' => is_autorize_status(ACCESS_CLASSIC, $row['status']) ? false : true
54  );
55}
56
57$by_user_rating_model = array( 'rates' => array() );
58foreach($conf['rate_items'] as $rate)
59{
60  $by_user_rating_model['rates'][$rate] = array();
61}
62
63
64$image_ids = array();
65$by_user_ratings = array();
66$query = '
67SELECT * FROM '.RATE_TABLE.' ORDER by date DESC';
68$result = pwg_query($query);
69while ($row = pwg_db_fetch_assoc($result))
70{
71  if (!isset($users_by_id[$row['user_id']]))
72  {
73    $users_by_id[$row['user_id']] = array('name' => '???'.$row['user_id'], 'anon' => false);
74  }
75  $usr = $users_by_id[$row['user_id']];
76  if ($usr['anon'])
77  {
78    $user_key = $usr['name'].'('.$row['anonymous_id'].')';
79  }
80  else
81  {
82    $user_key = $usr['name'];
83  }
84  $rating = & $by_user_ratings[$user_key];
85  if ( is_null($rating) )
86  {
87    $rating = $by_user_rating_model;
88    $rating['uid'] = (int)$row['user_id'];
89    $rating['aid'] = $usr['anon'] ? $row['anonymous_id'] : '';
90  }
91  $rating['rates'][$row['rate']][] = array(
92    'id' => $row['element_id'],
93    'date' => $row['date'],
94  );
95  $image_ids[$row['element_id']] = 1;
96  unset($rating);
97}
98
99// get image tn urls
100$image_urls = array();
101if (count($image_ids) > 0 )
102{
103  $query = 'SELECT id, name, file, path, representative_ext
104  FROM '.IMAGES_TABLE.'
105  WHERE id IN ('.implode(',', array_keys($image_ids)).')';
106  $result = pwg_query($query);
107  while ($row = pwg_db_fetch_assoc($result))
108  {
109    $image_urls[ $row['id'] ] = array(
110      'tn' => DerivativeImage::thumb_url($row),
111      'page' => make_picture_url( array('image_id'=>$row['id'], 'image_file'=>$row['file']) ),
112    );
113  }
114}
115
116$query='SELECT element_id,
117    AVG(rate) AS avg
118  FROM '.RATE_TABLE.'
119  GROUP BY element_id';
120$all_img_sum = array();
121$result = pwg_query($query);
122while ($row = pwg_db_fetch_assoc($result))
123{
124  $all_img_sum[(int)$row['element_id']] = array( 'avg'=>(float)$row['avg'] );
125}
126
127foreach($by_user_ratings as $id => &$rating)
128{
129  $c=0; $s=0; $ss=0; $consensus_dev=0;
130  foreach($rating['rates'] as $rate => $rates)
131  {
132    $ct = count($rates);
133    $c += $ct;
134    $s += $ct * $rate;
135    $ss += $ct * $rate * $rate;
136    foreach($rates as $id_date)
137    {
138      $consensus_dev += abs($rate - $all_img_sum[$id_date['id']]['avg']);
139    }
140  }
141
142  $consensus_dev /= $c;
143
144  $var = ($ss - $s*$s/$c)/$c;
145  $rating += array(
146    'id' => $id,
147    'count' => $c,
148    'avg' => $s/$c,
149    'cv'  => $s==0 ? -1 : sqrt($var)/($s/$c), // http://en.wikipedia.org/wiki/Coefficient_of_variation
150    'cd'  => $consensus_dev
151  );
152}
153unset($rating);
154
155// filter
156foreach($by_user_ratings as $id => $rating)
157{
158  if ($rating['count'] <= $filter_min_rates)
159  {
160    unset($by_user_ratings[$id]);
161  }
162}
163
164
165function avg_compare($a, $b)
166{
167  $d = $a['avg'] - $b['avg'];
168  return ($d==0) ? 0 : ($d<0 ? -1 : 1);
169}
170
171function count_compare($a, $b)
172{
173  $d = $a['count'] - $b['count'];
174  return ($d==0) ? 0 : ($d<0 ? -1 : 1);
175}
176
177function cv_compare($a, $b)
178{
179  $d = $b['cv'] - $a['cv']; //desc
180  return ($d==0) ? 0 : ($d<0 ? -1 : 1);
181}
182
183function consensus_dev_compare($a, $b)
184{
185  $d = $b['cd'] - $a['cd']; //desc
186  return ($d==0) ? 0 : ($d<0 ? -1 : 1);
187}
188
189$order_by_index=3;
190if (isset($_GET['order_by']) and is_numeric($_GET['order_by']))
191{
192  $order_by_index = $_GET['order_by'];
193}
194
195$available_order_by= array(
196    array(l10n('Average rate'), 'avg_compare'),
197    array(l10n('Number of rates'), 'count_compare'),
198    array(l10n('Variation'), 'cv_compare'),
199    array(l10n('Consensus deviation'), 'consensus_dev_compare'),
200  );
201
202for ($i=0; $i<count($available_order_by); $i++)
203{
204  $template->append(
205    'order_by_options',
206    $available_order_by[$i][0]
207    );
208}
209$template->assign('order_by_options_selected', array($order_by_index) );
210
211$x = uasort($by_user_ratings, $available_order_by[$order_by_index][1] );
212
213$template->assign( array(
214  'F_ACTION' => get_root_url().'admin.php',
215  'F_MIN_RATES' => $filter_min_rates,
216  'available_rates' => $conf['rate_items'],
217  'ratings' => $by_user_ratings,
218  'image_urls' => $image_urls,
219  'TN_WIDTH' => 28+2*ImageStdParams::get_by_type(IMG_THUMB)->sizing->ideal_size[0],
220  ) );
221$template->set_filename('rating', 'rating_user.tpl');
222$template->assign_var_from_handle('ADMIN_CONTENT', 'rating');
223
224?>
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