3 * @copyright Copyright (C) 2020, Friendica
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Worker;
24 use Friendica\Core\Logger;
25 use Friendica\Core\Protocol;
26 use Friendica\Database\DBA;
27 use Friendica\Database\DBStructure;
28 use Friendica\Model\Photo;
31 * Removes public contacts that aren't in use
33 class RemoveUnusedContacts
35 public static function execute()
37 $condition = ["`uid` = ? AND NOT `self` AND NOT `nurl` IN (SELECT `nurl` FROM `contact` WHERE `uid` != ?)
38 AND (NOT `network` IN (?, ?, ?, ?, ?, ?) OR (`archive` AND `success_update` < UTC_TIMESTAMP() - INTERVAL ? DAY))
39 AND NOT `id` IN (SELECT `author-id` FROM `post-user`) AND NOT `id` IN (SELECT `owner-id` FROM `post-user`)
40 AND NOT `id` IN (SELECT `causer-id` FROM `post-user`) AND NOT `id` IN (SELECT `cid` FROM `post-tag`)
41 AND NOT `id` IN (SELECT `contact-id` FROM `post-user`) AND NOT `id` IN (SELECT `cid` FROM `user-contact`)
42 AND NOT `id` IN (SELECT `cid` FROM `event`) AND NOT `id` IN (SELECT `contact-id` FROM `group_member`)
43 AND `created` < UTC_TIMESTAMP() - INTERVAL ? DAY",
44 0, 0, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, Protocol::FEED, Protocol::MAIL, Protocol::ACTIVITYPUB, 365, 30];
46 $total = DBA::count('contact', $condition);
47 Logger::notice('Starting removal', ['total' => $total]);
49 $contacts = DBA::select('contact', ['id', 'uid'], $condition);
50 while ($contact = DBA::fetch($contacts)) {
51 if (Photo::delete(['uid' => $contact['uid'], 'contact-id' => $contact['id']])) {
52 if (DBStructure::existsTable('thread')) {
53 DBA::delete('thread', ['owner-id' => $contact['id']]);
54 DBA::delete('thread', ['author-id' => $contact['id']]);
56 if (DBStructure::existsTable('item')) {
57 DBA::delete('item', ['owner-id' => $contact['id']]);
58 DBA::delete('item', ['author-id' => $contact['id']]);
59 DBA::delete('item', ['causer-id' => $contact['id']]);
62 // There should be none entry for the contact in these tables when none was found in "post-user".
63 // But we want to be sure since the foreign key prohibits deletion otherwise.
64 DBA::delete('post', ['owner-id' => $contact['id']]);
65 DBA::delete('post', ['author-id' => $contact['id']]);
66 DBA::delete('post', ['causer-id' => $contact['id']]);
68 DBA::delete('post-thread', ['owner-id' => $contact['id']]);
69 DBA::delete('post-thread', ['author-id' => $contact['id']]);
70 DBA::delete('post-thread', ['causer-id' => $contact['id']]);
72 DBA::delete('post-thread-user', ['owner-id' => $contact['id']]);
73 DBA::delete('post-thread-user', ['author-id' => $contact['id']]);
74 DBA::delete('post-thread-user', ['causer-id' => $contact['id']]);
76 DBA::delete('contact', ['id' => $contact['id']]);
77 if ((++$count % 1000) == 0) {
78 Logger::notice('In removal', ['count' => $count, 'total' => $total]);
82 DBA::close($contacts);
83 Logger::notice('Removal done', ['count' => $count, 'total' => $total]);