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Diffstat (limited to 'include/functions_rate.inc.php')
| -rw-r--r-- | include/functions_rate.inc.php | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/include/functions_rate.inc.php b/include/functions_rate.inc.php new file mode 100644 index 000000000..6eef19af6 --- /dev/null +++ b/include/functions_rate.inc.php @@ -0,0 +1,165 @@ +<?php +// +-----------------------------------------------------------------------+ +// | PhpWebGallery - a PHP based picture gallery | +// | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net | +// | Copyright (C) 2003-2006 PhpWebGallery Team - http://phpwebgallery.net | +// +-----------------------------------------------------------------------+ +// | branch : BSF (Best So Far) +// | file : $RCSfile$ +// | last update : $Date: 2006-03-15 03:26:25 +0100 (mer, 15 mar 2006) $ +// | last modifier : $Author: rvelices $ +// | revision : $Revision: 1081 $ +// | revision : $Revision: 1081 $ +// +-----------------------------------------------------------------------+ +// | This program is free software; you can redistribute it and/or modify | +// | it under the terms of the GNU General Public License as published by | +// | the Free Software Foundation | +// | | +// | This program is distributed in the hope that it will be useful, but | +// | WITHOUT ANY WARRANTY; without even the implied warranty of | +// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | +// | General Public License for more details. | +// | | +// | You should have received a copy of the GNU General Public License | +// | along with this program; if not, write to the Free Software | +// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | +// | USA. | +// +-----------------------------------------------------------------------+ + +/** + * rate a picture by a user + * + * @param int user identifier + * @param int image identifier + * @param int rate + * @return void + */ +function rate_picture($user_id, $image_id, $rate) +{ + global $conf; + + $query = ' +SELECT status + FROM '.USER_INFOS_TABLE.' + WHERE user_id = '.$user_id.' +;'; + list($user_status) = mysql_fetch_array(pwg_query($query)); + + if ('guest' == $user_status + or 'generic' == $user_status) + { + $user_anonymous = true; + } + else + { + $user_anonymous = false; + } + + if (isset($rate) + and $conf['rate'] + and (!$user_anonymous or $conf['rate_anonymous']) + and in_array($rate, $conf['rate_items'])) + { + if ($user_anonymous) + { + $ip_components = explode('.', $_SERVER["REMOTE_ADDR"]); + if (count($ip_components) > 3) + { + array_pop($ip_components); + } + $anonymous_id = implode ('.', $ip_components); + + if (isset($_COOKIE['pwg_anonymous_rater'])) + { + if ($anonymous_id != $_COOKIE['pwg_anonymous_rater']) + { // client has changed his IP adress or he's trying to fool us + $query = ' +SELECT element_id + FROM '.RATE_TABLE.' + WHERE user_id = '.$user['id'].' + AND anonymous_id = \''.$anonymous_id.'\' +;'; + $already_there = array_from_query($query, 'element_id'); + + if (count($already_there) > 0) + { + $query = ' +DELETE + FROM '.RATE_TABLE.' + WHERE user_id = '.$user['id'].' + AND anonymous_id = \''.$_COOKIE['pwg_anonymous_rater'].'\' + AND element_id NOT IN ('.implode(',', $already_there).') +;'; + pwg_query($query); + } + + $query = ' +UPDATE + '.RATE_TABLE.' + SET anonymous_id = \'' .$anonymous_id.'\' + WHERE user_id = '.$user['id'].' + AND anonymous_id = \'' . $_COOKIE['pwg_anonymous_rater'].'\' +;'; + pwg_query($query); + + setcookie( + 'pwg_anonymous_rater', + $anonymous_id, + strtotime('+10 years'), + cookie_path() + ); + } + } + else + { + setcookie( + 'pwg_anonymous_rater', + $anonymous_id, + strtotime('+10 years'), + cookie_path() + ); + } + } + + $query = ' +DELETE + FROM '.RATE_TABLE.' + WHERE element_id = '.$image_id.' + AND user_id = '.$user_id.' +'; + if (isset($anonymous_id)) + { + $query.= ' AND anonymous_id = \''.$anonymous_id.'\''; + } + pwg_query($query); + $query = ' +INSERT + INTO '.RATE_TABLE.' + (user_id,anonymous_id,element_id,rate,date) + VALUES + (' + .$user_id.',' + .(isset($anonymous_id) ? '\''.$anonymous_id.'\'' : "''").',' + .$image_id.',' + .$rate + .',NOW()) +;'; + pwg_query($query); + + // update of images.average_rate field + $query = ' +SELECT ROUND(AVG(rate),2) AS average_rate + FROM '.RATE_TABLE.' + WHERE element_id = '.$image_id.' +;'; + $row = mysql_fetch_array(pwg_query($query)); + $query = ' +UPDATE '.IMAGES_TABLE.' + SET average_rate = '.$row['average_rate'].' + WHERE id = '.$image_id.' +;'; + pwg_query($query); + } +} + +?>
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