--- /dev/null
+<?php
+/**
+ * @copyright Copyright (C) 2020, Friendica
+ *
+ * @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\Protocol;
+use Friendica\Core\Worker;
+use Friendica\Database\DBA;
+use Friendica\Model\Photo;
+
+/**
+ * Removes cached avatars from public contacts that aren't in use
+ */
+class RemoveUnusedAvatars
+{
+ public static function execute()
+ {
+ $condition = ["`uid` = ? AND NOT `self` AND NOT `nurl` IN (SELECT `nurl` FROM `contact` WHERE `uid` != ?)
+ AND `id` IN (SELECT `contact-id` FROM `photo`) AND NOT `id` IN (SELECT `author-id` FROM `item`)
+ AND NOT `id` IN (SELECT `owner-id` FROM `item`) AND NOT `id` IN (SELECT `causer-id` FROM `item`)
+ AND NOT `id` IN (SELECT `cid` FROM `post-tag`) AND NOT `id` IN (SELECT `contact-id` FROM `item`)", 0, 0];
+
+ $total = DBA::count('contact', $condition);
+ Logger::notice('Starting removal', ['total' => $total]);
+ $count = 0;
+ $contacts = DBA::select('contact', ['id'], $condition);
+ while ($contact = DBA::fetch($contacts)) {
+ DBA::update('contact', ['photo' => '', 'thumb' => '', 'micro' => ''], ['id' => $contact['id']]);
+ Photo::delete(['contact-id' => $contact['id'], 'album' => Photo::CONTACT_PHOTOS]);
+ if ((++$count % 1000) == 0) {
+ if (!Worker::isInMaintenanceWindow()) {
+ Logger::notice('We are outside of the maintenance window, quitting');
+ return;
+ }
+ Logger::notice('In removal', ['count' => $count, 'total' => $total]);
+ }
+ }
+ DBA::close($contacts);
+ Logger::notice('Removal done', ['count' => $count, 'total' => $total]);
+ }
+}