fixup_deletions.php script to look for notices posted by now-deleted profiles and remove them.
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Brion Vibber
parent
df8c9090c0
commit
13d59e0c76
@ -421,8 +421,10 @@ class Notice extends Memcached_DataObject
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}
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$profile = Profile::staticGet($this->profile_id);
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if (!empty($profile)) {
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$profile->blowNoticeCount();
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}
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}
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/**
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* Clear cache entries related to this notice at delete time.
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166
scripts/fixup_deletions.php
Executable file
166
scripts/fixup_deletions.php
Executable file
@ -0,0 +1,166 @@
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#!/usr/bin/env php
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<?php
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/*
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* StatusNet - a distributed open-source microblogging tool
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* Copyright (C) 2010 StatusNet, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
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$longoptions = array('dry-run', 'start=', 'end=');
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$helptext = <<<END_OF_USERROLE_HELP
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fixup_deletions.php [options]
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Finds notices posted by deleted users and cleans them up.
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Stray incompletely deleted items cause various fun problems!
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--dry-run look but don't touch
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--start=N start looking at profile_id N instead of 1
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--end=N end looking at profile_id N instead of the max
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END_OF_USERROLE_HELP;
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require_once INSTALLDIR.'/scripts/commandline.inc';
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/**
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* Find the highest profile_id currently listed in the notice table;
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* this field is indexed and should return very quickly.
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*
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* We check notice.profile_id rather than profile.id because we're
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* looking for notices left behind after deletion; if the most recent
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* accounts were deleted, we wouldn't have them from profile.
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*
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* @return int
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* @access private
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*/
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function get_max_profile_id()
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{
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$query = 'SELECT MAX(profile_id) AS id FROM notice';
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$profile = new Profile();
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$profile->query($query);
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if ($profile->fetch()) {
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return intval($profile->id);
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} else {
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die("Something went awry; could not look up max used profile_id.");
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}
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}
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/**
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* Check for profiles in the given id range that are missing, presumed deleted.
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*
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* @param int $start beginning profile.id, inclusive
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* @param int $end final profile.id, inclusive
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* @return array of integer profile.ids
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* @access private
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*/
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function get_missing_profiles($start, $end)
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{
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$query = sprintf("SELECT id FROM profile WHERE id BETWEEN %d AND %d",
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$start, $end);
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$profile = new Profile();
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$profile->query($query);
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$all = range($start, $end);
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$known = array();
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while ($row = $profile->fetch()) {
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$known[] = intval($profile->id);
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}
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unset($profile);
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$missing = array_diff($all, $known);
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return $missing;
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}
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/**
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* Look for stray notices from this profile and, if present, kill them.
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*
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* @param int $profile_id
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* @param bool $dry if true, we won't delete anything
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*/
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function cleanup_missing_profile($profile_id, $dry)
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{
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$notice = new Notice();
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$notice->profile_id = $profile_id;
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$notice->find();
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if ($notice->N == 0) {
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return;
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}
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$s = ($notice->N == 1) ? '' : 's';
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print "Deleted profile $profile_id has $notice->N stray notice$s:\n";
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while ($notice->fetch()) {
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print " notice $notice->id";
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if ($dry) {
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print " (skipped; dry run)\n";
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} else {
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$victim = clone($notice);
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try {
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$victim->delete();
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print " (deleted)\n";
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} catch (Exception $e) {
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print " FAILED: ";
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print $e->getMessage();
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print "\n";
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}
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}
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}
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}
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$dry = have_option('dry-run');
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$max_profile_id = get_max_profile_id();
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$chunk = 1000;
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if (have_option('start')) {
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$begin = intval(get_option_value('start'));
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} else {
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$begin = 1;
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}
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if (have_option('end')) {
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$final = min($max_profile_id, intval(get_option_value('end')));
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} else {
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$final = $max_profile_id;
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}
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if ($begin < 1) {
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die("Silly human, you can't begin before profile number 1!\n");
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}
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if ($final < $begin) {
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die("Silly human, you can't end at $final if it's before $begin!\n");
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}
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// Identify missing profiles...
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for ($start = $begin; $start <= $final; $start += $chunk) {
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$end = min($start + $chunk - 1, $final);
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print "Checking for missing profiles between id $start and $end";
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if ($dry) {
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print " (dry run)";
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}
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print "...\n";
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$missing = get_missing_profiles($start, $end);
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foreach ($missing as $profile_id) {
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cleanup_missing_profile($profile_id, $dry);
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}
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}
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echo "done.\n";
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