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