friendica/src/Worker/ExpirePosts.php

266 lines
9.8 KiB
PHP

<?php
/**
* @copyright Copyright (C) 2010-2021, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
* 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 <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Worker;
use Friendica\Core\Logger;
use Friendica\Core\Worker;
use Friendica\Database\Database;
use Friendica\Database\DBA;
use Friendica\Database\DBStructure;
use Friendica\DI;
use Friendica\Model\Item;
use Friendica\Model\Post;
class ExpirePosts
{
/**
* Expire posts and remove unused item-uri entries
*
* @return void
*/
public static function execute()
{
self::deleteExpiredOriginPosts();
self::deleteOrphanedEntries();
self::deleteUnusedItemUri();
self::deleteExpiredExternalPosts();
if (DI::config()->get('system', 'add_missing_posts')) {
self::addMissingEntries();
}
// Set the expiry for origin posta
Worker::add(PRIORITY_LOW, 'Expire');
// update nodeinfo data after everything is cleaned up
Worker::add(PRIORITY_LOW, 'NodeInfo');
}
/**
* Delete expired origin posts and orphaned post related table entries
*
* @return void
*/
private static function deleteExpiredOriginPosts()
{
Logger::notice('Delete expired posts');
// physically remove anything that has been deleted for more than two months
$condition = ["`gravity` = ? AND `deleted` AND `changed` < UTC_TIMESTAMP() - INTERVAL 60 DAY", GRAVITY_PARENT];
$rows = Post::select(['guid', 'uri-id', 'uid'], $condition);
while ($row = Post::fetch($rows)) {
Logger::info('Delete expired item', ['uri-id' => $row['uri-id'], 'guid' => $row['guid']]);
Post\User::delete(['parent-uri-id' => $row['uri-id'], 'uid' => $row['uid']]);
}
DBA::close($rows);
Logger::notice('Delete expired posts - done');
}
/**
* Delete orphaned entries in the post related tables
*
* @return void
*/
private static function deleteOrphanedEntries()
{
Logger::notice('Delete orphaned entries');
// "post-user" is the leading table. So we delete every entry that isn't found there
$tables = ['item', 'post', 'post-content', 'post-thread', 'post-thread-user'];
foreach ($tables as $table) {
if (($table == 'item') && !DBStructure::existsTable('item')) {
continue;
}
Logger::notice('Start collecting orphaned entries', ['table' => $table]);
$uris = DBA::select($table, ['uri-id'], ["NOT `uri-id` IN (SELECT `uri-id` FROM `post-user`)"]);
$affected_count = 0;
Logger::notice('Deleting orphaned entries - start', ['table' => $table]);
while ($rows = DBA::toArray($uris, false, 100)) {
$ids = array_column($rows, 'uri-id');
DBA::delete($table, ['uri-id' => $ids]);
$affected_count += DBA::affectedRows();
}
DBA::close($uris);
Logger::notice('Orphaned entries deleted', ['table' => $table, 'rows' => $affected_count]);
}
Logger::notice('Delete orphaned entries - done');
}
/**
* Add missing entries in some post related tables
*
* @return void
*/
private static function addMissingEntries()
{
Logger::notice('Adding missing entries');
$rows = 0;
$userposts = DBA::select('post-user', [], ["`uri-id` not in (select `uri-id` from `post`)"], ['group_by' => ['uri-id']]);
while ($fields = DBA::fetch($userposts)) {
$post_fields = DBStructure::getFieldsForTable('post', $fields);
DBA::insert('post', $post_fields, Database::INSERT_IGNORE);
$rows++;
}
DBA::close($userposts);
if ($rows > 0) {
Logger::notice('Added post entries', ['rows' => $rows]);
} else {
Logger::notice('No post entries added');
}
$rows = 0;
$userposts = DBA::select('post-user', [], ["`gravity` = ? AND `uri-id` not in (select `uri-id` from `post-thread`)", GRAVITY_PARENT], ['group_by' => ['uri-id']]);
while ($fields = DBA::fetch($userposts)) {
$post_fields = DBStructure::getFieldsForTable('post-thread', $fields);
$post_fields['commented'] = $post_fields['changed'] = $post_fields['created'];
DBA::insert('post-thread', $post_fields, Database::INSERT_IGNORE);
$rows++;
}
DBA::close($userposts);
if ($rows > 0) {
Logger::notice('Added post-thread entries', ['rows' => $rows]);
} else {
Logger::notice('No post-thread entries added');
}
$rows = 0;
$userposts = DBA::select('post-user', [], ["`gravity` = ? AND `id` not in (select `post-user-id` from `post-thread-user`)", GRAVITY_PARENT]);
while ($fields = DBA::fetch($userposts)) {
$post_fields = DBStructure::getFieldsForTable('post-thread-user', $fields);
$post_fields['commented'] = $post_fields['changed'] = $post_fields['created'];
DBA::insert('post-thread-user', $post_fields, Database::INSERT_IGNORE);
$rows++;
}
DBA::close($userposts);
if ($rows > 0) {
Logger::notice('Added post-thread-user entries', ['rows' => $rows]);
} else {
Logger::notice('No post-thread-user entries added');
}
}
/**
* Delete unused item-uri entries
*/
private static function deleteUnusedItemUri()
{
// We have to avoid deleting newly created "item-uri" entries.
// So we fetch a post that had been stored yesterday and only delete older ones.
$item = Post::selectFirst(['uri-id'], ["`uid` = ? AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY", 0, 1],
['order' => ['received' => true]]);
if (empty($item['uri-id'])) {
Logger::warning('No item with uri-id found - we better quit here');
return;
}
Logger::notice('Start collecting orphaned URI-ID', ['last-id' => $item['uri-id']]);
$uris = DBA::select('item-uri', ['id'], ["`id` < ?
AND NOT EXISTS(SELECT `uri-id` FROM `post-user` WHERE `uri-id` = `item-uri`.`id`)
AND NOT EXISTS(SELECT `parent-uri-id` FROM `post-user` WHERE `parent-uri-id` = `item-uri`.`id`)
AND NOT EXISTS(SELECT `thr-parent-id` FROM `post-user` WHERE `thr-parent-id` = `item-uri`.`id`)
AND NOT EXISTS(SELECT `external-id` FROM `post-user` WHERE `external-id` = `item-uri`.`id`)", $item['uri-id']]);
Logger::notice('Start deleting orphaned URI-ID', ['last-id' => $item['uri-id']]);
$affected_count = 0;
while ($rows = DBA::toArray($uris, false, 100)) {
$ids = array_column($rows, 'id');
DBA::delete('item-uri', ['id' => $ids]);
$affected_count += DBA::affectedRows();
Logger::info('Deleted', ['rows' => $affected_count]);
}
DBA::close($uris);
Logger::notice('Orphaned URI-ID entries removed', ['rows' => $affected_count]);
}
/**
* Delete old external post entries
*/
private static function deleteExpiredExternalPosts()
{
$expire_days = DI::config()->get('system', 'dbclean-expire-days');
$expire_days_unclaimed = DI::config()->get('system', 'dbclean-expire-unclaimed');
if (empty($expire_days_unclaimed)) {
$expire_days_unclaimed = $expire_days;
}
$limit = DI::config()->get('system', 'dbclean-expire-limit');
if (empty($limit)) {
return;
}
if (!empty($expire_days)) {
Logger::notice('Start collecting expired threads', ['expiry_days' => $expire_days]);
$uris = DBA::select('item-uri', ['id'], ["`id` IN
(SELECT `uri-id` FROM `post-thread` WHERE `received` < UTC_TIMESTAMP() - INTERVAL ? DAY
AND NOT `uri-id` IN (SELECT `uri-id` FROM `post-thread-user`
WHERE (`mention` OR `starred` OR `wall` OR `pinned`) AND `uri-id` = `post-thread`.`uri-id`)
AND NOT `uri-id` IN (SELECT `uri-id` FROM `post-category`
WHERE `uri-id` = `post-thread`.`uri-id`)
AND NOT `uri-id` IN (SELECT `uri-id` FROM `post-media`
WHERE `uri-id` = `post-thread`.`uri-id`)
AND NOT `uri-id` IN (SELECT `parent-uri-id` FROM `post-user` INNER JOIN `contact` ON `contact`.`id` = `contact-id` AND `notify_new_posts`
WHERE `parent-uri-id` = `post-thread`.`uri-id`)
AND NOT `uri-id` IN (SELECT `parent-uri-id` FROM `post-user`
WHERE (`origin` OR `event-id` != 0 OR `post-type` = ?) AND `parent-uri-id` = `post-thread`.`uri-id`)
AND NOT `uri-id` IN (SELECT `uri-id` FROM `post-content`
WHERE `resource-id` != 0 AND `uri-id` = `post-thread`.`uri-id`))",
$expire_days, Item::PT_PERSONAL_NOTE]);
Logger::notice('Start deleting expired threads');
$affected_count = 0;
while ($rows = DBA::toArray($uris, false, 100)) {
$ids = array_column($rows, 'id');
DBA::delete('item-uri', ['id' => $ids]);
$affected_count += DBA::affectedRows();
}
DBA::close($uris);
Logger::notice('Deleted expired threads', ['rows' => $affected_count]);
}
if (!empty($expire_days_unclaimed)) {
Logger::notice('Start collecting unclaimed public items', ['expiry_days' => $expire_days_unclaimed]);
$uris = DBA::select('item-uri', ['id'], ["`id` IN
(SELECT `uri-id` FROM `post-user` WHERE `gravity` = ? AND `uid` = ? AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY
AND NOT `uri-id` IN (SELECT `parent-uri-id` FROM `post-user` AS `i` WHERE `i`.`uid` != ?
AND `i`.`parent-uri-id` = `post-user`.`uri-id`)
AND NOT `uri-id` IN (SELECT `parent-uri-id` FROM `post-user` AS `i` WHERE `i`.`uid` = ?
AND `i`.`parent-uri-id` = `post-user`.`uri-id` AND `i`.`received` > UTC_TIMESTAMP() - INTERVAL ? DAY))",
GRAVITY_PARENT, 0, $expire_days_unclaimed, 0, 0, $expire_days_unclaimed]);
Logger::notice('Start deleting unclaimed public items');
$affected_count = 0;
while ($rows = DBA::toArray($uris, false, 100)) {
$ids = array_column($rows, 'id');
DBA::delete('item-uri', ['id' => $ids]);
$affected_count += DBA::affectedRows();
}
DBA::close($uris);
Logger::notice('Deleted unclaimed public items', ['rows' => $affected_count]);
}
}
}