diff options
author | Evan Prodromou <evan@status.net> | 2010-03-17 09:38:39 -0500 |
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committer | Evan Prodromou <evan@status.net> | 2010-03-17 09:38:39 -0500 |
commit | 4761c07ad8d76f7c34d4db53d32d15e806ba1e88 (patch) | |
tree | eb3d78ccde1778037165c92b6ec36c7465b54345 /lib/deluserqueuehandler.php | |
parent | f21f78364a9cbde2ca535a3983b384707ad097ae (diff) | |
parent | f62b8a80cf33ac8529d0736c51dc060a9d235369 (diff) |
Merge branch 'testing' of git@gitorious.org:statusnet/mainline into testing
Diffstat (limited to 'lib/deluserqueuehandler.php')
-rw-r--r-- | lib/deluserqueuehandler.php | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/lib/deluserqueuehandler.php b/lib/deluserqueuehandler.php new file mode 100644 index 000000000..4a1233a5e --- /dev/null +++ b/lib/deluserqueuehandler.php @@ -0,0 +1,95 @@ +<?php +/* + * StatusNet - the distributed open-source microblogging tool + * Copyright (C) 2010, 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/>. + */ + +/** + * Background job to delete prolific users without disrupting front-end too much. + * + * Up to 50 messages are deleted on each run through; when all messages are gone, + * the actual account is deleted. + * + * @package QueueHandler + * @maintainer Brion Vibber <brion@status.net> + */ + +class DelUserQueueHandler extends QueueHandler +{ + const DELETION_WINDOW = 50; + + public function transport() + { + return 'deluser'; + } + + public function handle($user) + { + if (!($user instanceof User)) { + common_log(LOG_ERR, "Got a bogus user, not deleting"); + return true; + } + + $user = User::staticGet('id', $user->id); + if (!$user) { + common_log(LOG_INFO, "User {$user->nickname} was deleted before we got here."); + return true; + } + + if (!$user->hasRole(Profile_role::DELETED)) { + common_log(LOG_INFO, "User {$user->nickname} is not pending deletion; aborting."); + return true; + } + + $notice = $this->getNextBatch($user); + if ($notice->N) { + common_log(LOG_INFO, "Deleting next {$notice->N} notices by {$user->nickname}"); + while ($notice->fetch()) { + $del = clone($notice); + $del->delete(); + } + + // @todo improve reliability in case we died during the above deletions + // with a fatal error. If the job is lost, we should perform some kind + // of garbage collection later. + + // Queue up the next batch. + $qm = QueueManager::get(); + $qm->enqueue($user, 'deluser'); + } else { + // Out of notices? Let's finish deleting this guy! + $user->delete(); + common_log(LOG_INFO, "User $user->id $user->nickname deleted."); + return true; + } + + return true; + } + + /** + * Fetch the next self::DELETION_WINDOW messages for this user. + * @return Notice + */ + protected function getNextBatch(User $user) + { + $notice = new Notice(); + $notice->profile_id = $user->id; + $notice->limit(self::DELETION_WINDOW); + $notice->find(); + return $notice; + } + +} |