6db359c622
Change "Piwigo - a PHP based picture gallery" into "Piwigo - a PHP based photo gallery" git-svn-id: http://piwigo.org/svn/trunk@8728 68402e56-0260-453c-a942-63ccdbb3a9ee
136 lines
No EOL
4 KiB
PHP
136 lines
No EOL
4 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) 2008-2011 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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/**
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* rate a picture by a user
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*
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* @param int image identifier
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* @param int rate
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* @return void
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*/
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function rate_picture($image_id, $rate)
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{
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global $conf, $user;
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if (!isset($rate)
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or !$conf['rate']
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or !in_array($rate, $conf['rate_items']))
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{
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return false;
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}
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$user_anonymous = is_autorize_status(ACCESS_CLASSIC) ? false : true;
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if ($user_anonymous and !$conf['rate_anonymous'])
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{
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return false;
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}
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$ip_components = explode('.', $_SERVER["REMOTE_ADDR"]);
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if (count($ip_components) > 3)
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{
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array_pop($ip_components);
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}
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$anonymous_id = implode ('.', $ip_components);
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if ($user_anonymous)
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{
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$save_anonymous_id = pwg_get_cookie_var('anonymous_rater', $anonymous_id);
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if ($anonymous_id != $save_anonymous_id)
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{ // client has changed his IP adress or he's trying to fool us
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$query = '
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SELECT element_id
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FROM '.RATE_TABLE.'
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WHERE user_id = '.$user['id'].'
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AND anonymous_id = \''.$anonymous_id.'\'
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;';
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$already_there = array_from_query($query, 'element_id');
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if (count($already_there) > 0)
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{
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$query = '
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DELETE
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FROM '.RATE_TABLE.'
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WHERE user_id = '.$user['id'].'
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AND anonymous_id = \''.$save_anonymous_id.'\'
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AND element_id IN ('.implode(',', $already_there).')
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;';
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pwg_query($query);
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}
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$query = '
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UPDATE '.RATE_TABLE.'
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SET anonymous_id = \'' .$anonymous_id.'\'
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WHERE user_id = '.$user['id'].'
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AND anonymous_id = \'' . $save_anonymous_id.'\'
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;';
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pwg_query($query);
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} // end client changed ip
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pwg_set_cookie_var('anonymous_rater', $anonymous_id);
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} // end anonymous user
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$query = '
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DELETE
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FROM '.RATE_TABLE.'
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WHERE element_id = '.$image_id.'
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AND user_id = '.$user['id'].'
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';
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if ($user_anonymous)
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{
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$query.= ' AND anonymous_id = \''.$anonymous_id.'\'';
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}
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pwg_query($query);
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$query = '
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INSERT
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INTO '.RATE_TABLE.'
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(user_id,anonymous_id,element_id,rate,date)
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VALUES
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('
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.$user['id'].','
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.'\''.$anonymous_id.'\','
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.$image_id.','
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.$rate
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.',NOW())
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;';
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pwg_query($query);
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// update of images.average_rate field
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$query = '
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SELECT COUNT(rate) AS count
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, ROUND(AVG(rate),2) AS average
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FROM '.RATE_TABLE.'
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WHERE element_id = '.$image_id.'
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;';
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$row = pwg_db_fetch_assoc(pwg_query($query));
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$query = '
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UPDATE '.IMAGES_TABLE.'
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SET average_rate = '.$row['average'].'
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WHERE id = '.$image_id.'
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;';
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pwg_query($query);
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return $row;
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}
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?>
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