a distributed -> the distributed

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

diff --git a/classes/Notice_inbox.php b/classes/Notice_inbox.php
index 940381f84cd1e258ba0a8563ea79bae62c6b4b8a..77cf79347febe1608027ced3c374ecc4880de371 100644 (file)
--- a/classes/Notice_inbox.php
+++ b/classes/Notice_inbox.php
@@ -1,7 +1,7 @@
 <?php
 /*
- * Laconica - a distributed open-source microblogging tool
- * Copyright (C) 2008, 2009, Control Yourself, Inc.
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2008, 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
@@ -24,6 +24,10 @@ require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
 // We keep 5 pages of inbox notices in memcache, +1 for pagination check
 
 define('INBOX_CACHE_WINDOW', 101);
+define('NOTICE_INBOX_GC_BOXCAR', 128);
+define('NOTICE_INBOX_GC_MAX', 12800);
+define('NOTICE_INBOX_LIMIT', 1000);
+define('NOTICE_INBOX_SOFT_LIMIT', 1000);
 
 define('NOTICE_INBOX_SOURCE_SUB', 1);
 define('NOTICE_INBOX_SOURCE_GROUP', 2);
@@ -100,4 +104,41 @@ class Notice_inbox extends Memcached_DataObject
     {
         return Memcached_DataObject::pkeyGet('Notice_inbox', $kv);
     }
+
+    static function gc($user_id)
+    {
+        $entry = new Notice_inbox();
+        $entry->user_id = $user_id;
+        $entry->orderBy('created DESC');
+        $entry->limit(NOTICE_INBOX_LIMIT - 1, NOTICE_INBOX_GC_MAX);
+
+        $total = $entry->find();
+
+        if ($total > 0) {
+            $notices = array();
+            $cnt = 0;
+            while ($entry->fetch()) {
+                $notices[] = $entry->notice_id;
+                $cnt++;
+                if ($cnt >= NOTICE_INBOX_GC_BOXCAR) {
+                    self::deleteMatching($user_id, $notices);
+                    $notices = array();
+                    $cnt = 0;
+                }
+            }
+
+            if ($cnt > 0) {
+                self::deleteMatching($user_id, $notices);
+                $notices = array();
+            }
+        }
+    }
+
+    static function deleteMatching($user_id, $notices)
+    {
+        $entry = new Notice_inbox();
+        return $entry->query('DELETE FROM notice_inbox '.
+                             'WHERE user_id = ' . $user_id . ' ' .
+                             'AND notice_id in ('.implode(',', $notices).')');
+    }
 }