src/Worker/RemoveContact.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2020, Friendica
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   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.
  11  *
  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.
  16  *
  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/>.
  19  *
  20  */
  21
  22 namespace Friendica\Worker;
  23
  24 use Friendica\Core\Logger;
  25 use Friendica\Database\DBA;
  26 use Friendica\Database\DBStructure;
  27 use Friendica\Model\Photo;
  28 use Friendica\Model\Post;
  29
  30 /**
  31  * Removes orphaned data from deleted contacts
  32  */
  33 class RemoveContact {
  34         public static function execute($id) {
  35                 // Only delete if the contact is to be deleted
  36                 $contact = DBA::selectFirst('contact', ['uid'], ['deleted' => true, 'id' => $id]);
  37                 if (!DBA::isResult($contact)) {
  38                         return;
  39                 }
  40
  41                 Logger::info('Start deleting contact', ['id' => $id]);
  42                 // Now we delete the contact and all depending tables
  43                 if ($contact['uid'] == 0) {
  44                         DBA::delete('post-tag', ['cid' => $id]);
  45                         $condition = ["`author-id` = ? OR `owner-id` = ? OR `causer-id` = ? OR `contact-id` = ?",
  46                                 $id, $id, $id, $id];
  47                 } else {
  48                         $condition = ['uid' => $contact['uid'], 'contact-id' => $id];
  49                 }
  50                 do {
  51                         $items = Post::select(['item-id', 'post-user-id', 'uri-id', 'guid'], $condition, ['limit' => 100]);
  52                         while ($item = Post::fetch($items)) {
  53                                 Logger::info('Delete removed contact item', ['id' => $item['item-id'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
  54                                 if (DBStructure::existsTable('item')) {
  55                                         DBA::delete('item', ['id' => $item['item-id']]);
  56                                 }
  57                                 Post::delete(['uri-id' => $item['uri-id']]);
  58                                 Post\ThreadUser::delete(['post-user-id' => $item['post-user-id']]);
  59                                 Post\Thread::delete(['uri-id' => $item['uri-id']]);
  60                                 Post\User::delete(['id' => $item['post-user-id']]);
  61                         }
  62                         DBA::close($items);
  63                 } while (Post::exists($condition));
  64
  65                 Photo::delete(['contact-id' => $id]);
  66                 $ret = DBA::delete('contact', ['id' => $id]);
  67                 Logger::info('Deleted contact', ['id' => $id, 'result' => $ret]);
  68         }
  69 }