diff options
Diffstat (limited to 'classes')
-rw-r--r-- | classes/Notice_inbox.php | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/classes/Notice_inbox.php b/classes/Notice_inbox.php new file mode 100644 index 000000000..b39006542 --- /dev/null +++ b/classes/Notice_inbox.php @@ -0,0 +1,184 @@ +<?php +/* + * 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 + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * 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 Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); } + +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); +define('NOTICE_INBOX_SOURCE_REPLY', 3); +define('NOTICE_INBOX_SOURCE_FORWARD', 4); +define('NOTICE_INBOX_SOURCE_GATEWAY', -1); + +class Notice_inbox extends Memcached_DataObject +{ + ###START_AUTOCODE + /* the code below is auto generated do not remove the above tag */ + + public $__table = 'notice_inbox'; // table name + public $user_id; // int(4) primary_key not_null + public $notice_id; // int(4) primary_key not_null + public $created; // datetime() not_null + public $source; // tinyint(1) default_1 + + /* Static get */ + function staticGet($k,$v=null) + { return Memcached_DataObject::staticGet('Notice_inbox',$k,$v); } + + /* the code above is auto generated do not remove the tag below */ + ###END_AUTOCODE + + function stream($user_id, $offset, $limit, $since_id, $max_id, $since, $own=false) + { + return Notice::stream(array('Notice_inbox', '_streamDirect'), + array($user_id, $own), + ($own) ? 'notice_inbox:by_user:'.$user_id : + 'notice_inbox:by_user_own:'.$user_id, + $offset, $limit, $since_id, $max_id, $since); + } + + function _streamDirect($user_id, $own, $offset, $limit, $since_id, $max_id, $since) + { + $inbox = new Notice_inbox(); + + $inbox->user_id = $user_id; + + if (!$own) { + $inbox->whereAdd('source != ' . NOTICE_INBOX_SOURCE_GATEWAY); + } + + if ($since_id != 0) { + $inbox->whereAdd('notice_id > ' . $since_id); + } + + if ($max_id != 0) { + $inbox->whereAdd('notice_id <= ' . $max_id); + } + + if (!is_null($since)) { + $inbox->whereAdd('created > \'' . date('Y-m-d H:i:s', $since) . '\''); + } + + $inbox->orderBy('created DESC'); + + if (!is_null($offset)) { + $inbox->limit($offset, $limit); + } + + $ids = array(); + + if ($inbox->find()) { + while ($inbox->fetch()) { + $ids[] = $inbox->notice_id; + } + } + + return $ids; + } + + function &pkeyGet($kv) + { + 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(',', $notices).')'); + } + + static function bulkInsert($notice_id, $created, $ni) + { + $cnt = 0; + + $qryhdr = 'INSERT INTO notice_inbox (user_id, notice_id, source, created) VALUES '; + $qry = $qryhdr; + + foreach ($ni as $id => $source) { + if ($cnt > 0) { + $qry .= ', '; + } + $qry .= '('.$id.', '.$notice_id.', '.$source.", '".$created. "') "; + $cnt++; + if (rand() % NOTICE_INBOX_SOFT_LIMIT == 0) { + // FIXME: Causes lag in replicated servers + // Notice_inbox::gc($id); + } + if ($cnt >= MAX_BOXCARS) { + $inbox = new Notice_inbox(); + $result = $inbox->query($qry); + if (PEAR::isError($result)) { + common_log_db_error($inbox, $qry); + } + $qry = $qryhdr; + $cnt = 0; + } + } + + if ($cnt > 0) { + $inbox = new Notice_inbox(); + $result = $inbox->query($qry); + if (PEAR::isError($result)) { + common_log_db_error($inbox, $qry); + } + } + + return; + } +} |