- fix very rare sql error (duplicate key) for rating

git-svn-id: http://piwigo.org/svn/branches/branch-1_7@2099 68402e56-0260-453c-a942-63ccdbb3a9ee

include/functions_rate.inc.php

@@ -50,15 +50,15 @@ function rate_picture($image_id, $rate)
     return;
   }
 
+  $ip_components = explode('.', $_SERVER["REMOTE_ADDR"]);
+  if (count($ip_components) > 3)
+  {
+    array_pop($ip_components);
+  }
+  $anonymous_id = implode ('.', $ip_components);
+
   if ($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 != $_COOKIE['pwg_anonymous_rater'])
@@ -78,7 +78,7 @@ DELETE
   FROM '.RATE_TABLE.'
   WHERE user_id = '.$user['id'].'
     AND anonymous_id = \''.$_COOKIE['pwg_anonymous_rater'].'\'
-    AND element_id NOT IN ('.implode(',', $already_there).')
+    AND element_id IN ('.implode(',', $already_there).')
 ;';
            pwg_query($query);
          }
@@ -116,7 +116,7 @@ DELETE
   WHERE element_id = '.$image_id.'
   AND user_id = '.$user['id'].'
 ';
-  if (isset($anonymous_id))
+  if (isset($user_anonymous))
   {
     $query.= ' AND anonymous_id = \''.$anonymous_id.'\'';
   }
@@ -128,7 +128,7 @@ INSERT
   VALUES
   ('
     .$user['id'].','
-    .(isset($anonymous_id) ? '\''.$anonymous_id.'\'' : "''").','
+    .'\''.$anonymous_id.'\','
     .$image_id.','
     .$rate
     .',NOW())