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authorrvelices <rv-github@modusoptimus.com>2014-01-21 22:50:06 +0000
committerrvelices <rv-github@modusoptimus.com>2014-01-21 22:50:06 +0000
commiteecb7cf42c71082e3f93cecaf1ebff2a673f72a6 (patch)
tree5d74cae2ba84460e0e08c96c23b2e75670deddb5 /admin/rating_user.php
parent9848d104e01901ada5d23a65cdb884f6b04ac25b (diff)
admin rating user improvements
- add last rate date for user - add consensus deviation but only based on the best rated photos (e.g. how much this user tries to change the best rated photos) git-svn-id: http://piwigo.org/svn/trunk@26900 68402e56-0260-453c-a942-63ccdbb3a9ee
Diffstat (limited to 'admin/rating_user.php')
-rw-r--r--admin/rating_user.php33
1 files changed, 29 insertions, 4 deletions
diff --git a/admin/rating_user.php b/admin/rating_user.php
index 5781903a7..746538610 100644
--- a/admin/rating_user.php
+++ b/admin/rating_user.php
@@ -35,6 +35,12 @@ if (isset($_GET['f_min_rates']))
$filter_min_rates = (int)$_GET['f_min_rates'];
}
+$consensus_top_number = $conf['top_number'];
+if (isset($_GET['consensus_top_number']))
+{
+ $consensus_top_number = (int)$_GET['consensus_top_number'];
+}
+
// build users
global $conf;
$query = 'SELECT DISTINCT
@@ -60,7 +66,7 @@ foreach($conf['rate_items'] as $rate)
$by_user_rating_model['rates'][$rate] = array();
}
-
+// by user aggregation
$image_ids = array();
$by_user_ratings = array();
$query = '
@@ -87,6 +93,7 @@ while ($row = pwg_db_fetch_assoc($result))
$rating = $by_user_rating_model;
$rating['uid'] = (int)$row['user_id'];
$rating['aid'] = $usr['anon'] ? $row['anonymous_id'] : '';
+ $rating['last_date'] = $row['date'];
}
$rating['rates'][$row['rate']][] = array(
'id' => $row['element_id'],
@@ -113,6 +120,7 @@ if (count($image_ids) > 0 )
}
}
+//all image averages
$query='SELECT element_id,
AVG(rate) AS avg
FROM '.RATE_TABLE.'
@@ -124,9 +132,16 @@ while ($row = pwg_db_fetch_assoc($result))
$all_img_sum[(int)$row['element_id']] = array( 'avg'=>(float)$row['avg'] );
}
+$query='SELECT id
+ FROM '.IMAGES_TABLE.'
+ ORDER by rating_score DESC
+ LIMIT '.$consensus_top_number;
+$best_rated = array_flip( array_from_query($query, 'id'));
+
+// by user stats
foreach($by_user_ratings as $id => &$rating)
{
- $c=0; $s=0; $ss=0; $consensus_dev=0;
+ $c=0; $s=0; $ss=0; $consensus_dev=0; $consensus_dev_top=0; $consensus_dev_top_count=0;
foreach($rating['rates'] as $rate => $rates)
{
$ct = count($rates);
@@ -135,11 +150,19 @@ foreach($by_user_ratings as $id => &$rating)
$ss += $ct * $rate * $rate;
foreach($rates as $id_date)
{
- $consensus_dev += abs($rate - $all_img_sum[$id_date['id']]['avg']);
+ $dev = abs($rate - $all_img_sum[$id_date['id']]['avg']);
+ $consensus_dev += $dev;
+ if (isset($best_rated[$id_date['id']]))
+ {
+ $consensus_dev_top += $dev;
+ $consensus_dev_top_count++;
+ }
}
}
$consensus_dev /= $c;
+ if ($consensus_dev_top_count)
+ $consensus_dev_top /= $consensus_dev_top_count;
$var = ($ss - $s*$s/$c)/$c;
$rating += array(
@@ -147,7 +170,8 @@ foreach($by_user_ratings as $id => &$rating)
'count' => $c,
'avg' => $s/$c,
'cv' => $s==0 ? -1 : sqrt($var)/($s/$c), // http://en.wikipedia.org/wiki/Coefficient_of_variation
- 'cd' => $consensus_dev
+ 'cd' => $consensus_dev,
+ 'cdtop' => $consensus_dev_top_count ? $consensus_dev_top : ''
);
}
unset($rating);
@@ -213,6 +237,7 @@ $x = uasort($by_user_ratings, $available_order_by[$order_by_index][1] );
$template->assign( array(
'F_ACTION' => get_root_url().'admin.php',
'F_MIN_RATES' => $filter_min_rates,
+ 'CONSENSUS_TOP_NUMBER' => $consensus_top_number,
'available_rates' => $conf['rate_items'],
'ratings' => $by_user_ratings,
'image_urls' => $image_urls,