friendica/src/Worker/RemoveUnusedAvatars.php

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<?php
/**
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* @copyright Copyright (C) 2010-2022, 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\DBA;
use Friendica\Model\Contact;
use Friendica\Model\Photo;
/**
* Removes cached avatars from public contacts that aren't in use
*/
class RemoveUnusedAvatars
{
public static function execute()
{
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$sql = "FROM `contact` INNER JOIN `photo` ON `contact`.`id` = `contact-id`
WHERE `contact`.`uid` = ? AND NOT `self` AND (`photo` != ? OR `thumb` != ? OR `micro` != ?)
AND NOT `nurl` IN (SELECT `nurl` FROM `contact` WHERE `uid` != ?)
AND NOT `contact`.`id` IN (SELECT `author-id` FROM `post-user`)
AND NOT `contact`.`id` IN (SELECT `owner-id` FROM `post-user`)
AND NOT `contact`.`id` IN (SELECT `causer-id` FROM `post-user` WHERE `causer-id` IS NOT NULL)
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AND NOT `contact`.`id` IN (SELECT `cid` FROM `post-tag`)
AND NOT `contact`.`id` IN (SELECT `contact-id` FROM `post-user`);";
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$ret = DBA::fetchFirst("SELECT COUNT(*) AS `total` " . $sql, 0, '', '', '', 0);
$total = $ret['total'] ?? 0;
Logger::notice('Starting removal', ['total' => $total]);
$count = 0;
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$contacts = DBA::p("SELECT `contact`.`id` " . $sql, 0, '', '', '', 0);
while ($contact = DBA::fetch($contacts)) {
Contact::update(['photo' => '', 'thumb' => '', 'micro' => ''], ['id' => $contact['id']]);
Photo::delete(['contact-id' => $contact['id'], 'photo-type' => [Photo::CONTACT_AVATAR, Photo::CONTACT_BANNER]]);
if ((++$count % 1000) == 0) {
if (!Worker::isInMaintenanceWindow()) {
Logger::notice('We are outside of the maintenance window, quitting');
return;
}
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Logger::info('In removal', ['count' => $count, 'total' => $total]);
}
}
DBA::close($contacts);
Logger::notice('Removal done', ['count' => $count, 'total' => $total]);
self::fixPhotoContacts();
self::deleteDuplicates();
}
private static function fixPhotoContacts()
{
$total = 0;
$deleted = 0;
$updated1 = 0;
$updated2 = 0;
Logger::notice('Starting contact fix');
$photos = DBA::select('photo', [], ["`uid` = ? AND `contact-id` IN (SELECT `id` FROM `contact` WHERE `uid` != ?) AND `contact-id` != ? AND `scale` IN (?, ?, ?)", 0, 0, 0, 4, 5, 6]);
while ($photo = DBA::fetch($photos)) {
$total++;
$photo_contact = Contact::getById($photo['contact-id']);
$resource = Photo::ridFromURI($photo_contact['photo']);
if ($photo['resource-id'] == $resource) {
$contact = DBA::selectFirst('contact', [], ['nurl' => $photo_contact['nurl'], 'uid' => 0]);
if (!empty($contact['photo']) && ($contact['photo'] == $photo_contact['photo'])) {
Logger::notice('Photo updated to public user', ['id' => $photo['id'], 'contact-id' => $contact['id']]);
DBA::update('photo', ['contact-id' => $contact['id']], ['id' => $photo['id']]);
$updated1++;
}
} else {
$updated = false;
$contacts = DBA::select('contact', [], ['nurl' => $photo_contact['nurl']]);
while ($contact = DBA::fetch($contacts)) {
if ($photo['resource-id'] == Photo::ridFromURI($contact['photo'])) {
Logger::notice('Photo updated to given user', ['id' => $photo['id'], 'contact-id' => $contact['id'], 'uid' => $contact['uid']]);
DBA::update('photo', ['contact-id' => $contact['id'], 'uid' => $contact['uid']], ['id' => $photo['id']]);
$updated = true;
$updated2++;
}
}
DBA::close($contacts);
if (!$updated) {
Logger::notice('Photo deleted', ['id' => $photo['id']]);
Photo::delete(['id' => $photo['id']]);
$deleted++;
}
}
}
DBA::close($photos);
Logger::notice('Contact fix done', ['total' => $total, 'updated1' => $updated1, 'updated2' => $updated2, 'deleted' => $deleted]);
}
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private static function deleteDuplicates()
{
$size = [4 => 'photo', 5 => 'thumb', 6 => 'micro'];
$total = 0;
$deleted = 0;
Logger::notice('Starting duplicate removal');
$photos = DBA::p("SELECT `photo`.`id`, `photo`.`uid`, `photo`.`scale`, `photo`.`album`, `photo`.`contact-id`, `photo`.`resource-id`, `contact`.`photo`, `contact`.`thumb`, `contact`.`micro` FROM `photo` INNER JOIN `contact` ON `contact`.`id` = `photo`.`contact-id` and `photo`.`contact-id` != ? AND `photo`.`scale` IN (?, ?, ?)", 0, 4, 5, 6);
while ($photo = DBA::fetch($photos)) {
$resource = Photo::ridFromURI($photo[$size[$photo['scale']]]);
if ($resource != $photo['resource-id'] && !empty($resource)) {
$total++;
if (DBA::exists('photo', ['resource-id' => $resource, 'scale' => $photo['scale']])) {
Logger::notice('Photo deleted', ['id' => $photo['id']]);
Photo::delete(['id' => $photo['id']]);
$deleted++;
}
}
}
DBA::close($photos);
Logger::notice('Duplicate removal done', ['total' => $total, 'deleted' => $deleted]);
}
}