src/Worker/MergeContact.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\Post;
  28
  29 class MergeContact
  30 {
  31         /**
  32          * Replace all occurences of the given contact id and replace it
  33          *
  34          * @param integer $new_cid
  35          * @param integer $old_cid
  36          * @param integer $uid
  37          */
  38         public static function execute(int $new_cid, int $old_cid, int $uid)
  39         {
  40                 if (empty($new_cid) || empty($old_cid) || ($new_cid == $old_cid)) {
  41                         // Invalid request
  42                         return;
  43                 }
  44
  45                 Logger::info('Handling duplicate', ['search' => $old_cid, 'replace' => $new_cid]);
  46
  47                 // Search and replace
  48                 Post::update(['contact-id' => $new_cid], ['contact-id' => $old_cid]);
  49                 DBA::update('mail', ['contact-id' => $new_cid], ['contact-id' => $old_cid]);
  50                 DBA::update('photo', ['contact-id' => $new_cid], ['contact-id' => $old_cid]);
  51                 DBA::update('event', ['cid' => $new_cid], ['cid' => $old_cid]);
  52                 if (DBStructure::existsTable('item')) {
  53                         DBA::update('item', ['contact-id' => $new_cid], ['contact-id' => $old_cid]);
  54                 }
  55                 if (DBStructure::existsTable('thread')) {
  56                         DBA::update('thread', ['contact-id' => $new_cid], ['contact-id' => $old_cid]);
  57                 }
  58
  59                 // These fields only contain public contact entries (uid = 0)
  60                 if ($uid == 0) {
  61                         DBA::update('post-tag', ['cid' => $new_cid], ['cid' => $old_cid]);
  62                         DBA::delete('post-tag', ['cid' => $old_cid]);
  63                         Post::update(['author-id' => $new_cid], ['author-id' => $old_cid]);
  64                         Post::update(['owner-id' => $new_cid], ['owner-id' => $old_cid]);
  65                         Post::update(['causer-id' => $new_cid], ['causer-id' => $old_cid]);
  66                         if (DBStructure::existsTable('item')) {
  67                                 DBA::update('item', ['author-id' => $new_cid], ['author-id' => $old_cid]);
  68                                 DBA::update('item', ['owner-id' => $new_cid], ['owner-id' => $old_cid]);
  69                                 DBA::update('item', ['causer-id' => $new_cid], ['causer-id' => $old_cid]);
  70                         }
  71                         if (DBStructure::existsTable('thread')) {
  72                                 DBA::update('thread', ['author-id' => $new_cid], ['author-id' => $old_cid]);
  73                                 DBA::update('thread', ['owner-id' => $new_cid], ['owner-id' => $old_cid]);
  74                                 DBA::update('thread', ['causer-id' => $new_cid], ['causer-id' => $old_cid]);
  75                         }
  76                 } else {
  77                         /// @todo Check if some other data needs to be adjusted as well, possibly the "rel" status?
  78                 }
  79
  80                 // Remove the duplicate
  81                 DBA::delete('contact', ['id' => $old_cid]);
  82         }
  83 }