Merge branch 'testing' of git@gitorious.org:statusnet/mainline into 0.9.x

[quix0rs-gnu-social.git] / classes / Session.php

diff --git a/classes/Session.php b/classes/Session.php
index 93fd99baa817ee2a6ddd75c7e16b95094917f746..2422f8b68ecf975dd3794a051917f6fc495a7a02 100644 (file)
--- a/classes/Session.php
+++ b/classes/Session.php
@@ -2,8 +2,8 @@
 /**
  * Table Definition for session
  *
- * Laconica - a distributed open-source microblogging tool
- * Copyright (C) 2009, Control Yourself, Inc.
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2009, StatusNet, Inc.
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as published by
@@ -19,7 +19,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-if (!defined('LACONICA')) { exit(1); }
+if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
 
 require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
 
@@ -64,8 +64,12 @@ class Session extends Memcached_DataObject
         $session = Session::staticGet('id', $id);
 
         if (empty($session)) {
+            self::logdeb("Couldn't find '$id'");
             return '';
         } else {
+            self::logdeb("Found '$id', returning " .
+                         strlen($session->session_data) .
+                         " chars of data");
             return (string)$session->session_data;
         }
     }
@@ -77,17 +81,45 @@ class Session extends Memcached_DataObject
         $session = Session::staticGet('id', $id);
 
         if (empty($session)) {
+            self::logdeb("'$id' doesn't yet exist; inserting.");
             $session = new Session();
 
             $session->id           = $id;
             $session->session_data = $session_data;
             $session->created      = common_sql_now();
 
-            return $session->insert();
+            $result = $session->insert();
+
+            if (!$result) {
+                common_log_db_error($session, 'INSERT', __FILE__);
+                self::logdeb("Failed to insert '$id'.");
+            } else {
+                self::logdeb("Successfully inserted '$id' (result = $result).");
+            }
+            return $result;
         } else {
-            $session->session_data = $session_data;
+            self::logdeb("'$id' already exists; updating.");
+            if (strcmp($session->session_data, $session_data) == 0) {
+                self::logdeb("Not writing session '$id'; unchanged");
+                return true;
+            } else {
+                self::logdeb("Session '$id' data changed; updating");
+
+                $orig = clone($session);
+
+                $session->session_data = $session_data;
 
-            return $session->update();
+                $result = $session->update($orig);
+
+                if (!$result) {
+                    common_log_db_error($session, 'UPDATE', __FILE__);
+                    self::logdeb("Failed to update '$id'.");
+                } else {
+                    self::logdeb("Successfully updated '$id' (result = $result).");
+                }
+
+                return $result;
+            }
         }
     }
 
@@ -97,8 +129,17 @@ class Session extends Memcached_DataObject
 
         $session = Session::staticGet('id', $id);
 
-        if (!empty($session)) {
-            return $session->delete();
+        if (empty($session)) {
+            self::logdeb("Can't find '$id' to delete.");
+        } else {
+            $result = $session->delete();
+            if (!$result) {
+                common_log_db_error($session, 'DELETE', __FILE__);
+                self::logdeb("Failed to delete '$id'.");
+            } else {
+                self::logdeb("Successfully deleted '$id' (result = $result).");
+            }
+            return $result;
         }
     }
 
@@ -106,16 +147,29 @@ class Session extends Memcached_DataObject
     {
         self::logdeb("garbage collection (maxlifetime = $maxlifetime)");
 
-        $epoch = time() - $maxlifetime;
+        $epoch = common_sql_date(time() - $maxlifetime);
 
-        $qry = 'DELETE FROM session ' .
-          'WHERE modified < "'.$epoch.'"';
+        $ids = array();
 
         $session = new Session();
+        $session->whereAdd('modified < "'.$epoch.'"');
+        $session->selectAdd();
+        $session->selectAdd('id');
+
+        $session->find();
+
+        while ($session->fetch()) {
+            $ids[] = $session->id;
+        }
+
+        $session->free();
 
-        $result = $session->query($qry);
+        self::logdeb("Found " . count($ids) . " ids to delete.");
 
-        self::logdeb("garbage collection result = $result");
+        foreach ($ids as $id) {
+            self::logdeb("Destroying session '$id'.");
+            self::destroy($id);
+        }
     }
 
     static function setSaveHandler()