src/Model/Conversation.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\Model;
  23
  24 use Friendica\Core\Logger;
  25 use Friendica\Core\Protocol;
  26 use Friendica\Database\DBA;
  27 use Friendica\Util\DateTimeFormat;
  28
  29 class Conversation
  30 {
  31         /*
  32          * These constants represent the parcel format used to transport a conversation independently of the message protocol.
  33          * It currently is stored in the "protocol" field for legacy reasons.
  34          */
  35         const PARCEL_ACTIVITYPUB        = 0;
  36         const PARCEL_DFRN               = 1;
  37         const PARCEL_DIASPORA           = 2;
  38         const PARCEL_SALMON             = 3;
  39         const PARCEL_FEED               = 4; // Deprecated
  40         const PARCEL_SPLIT_CONVERSATION = 6;
  41         const PARCEL_TWITTER            = 67;
  42         const PARCEL_UNKNOWN            = 255;
  43
  44         public static function getByItemUri($item_uri)
  45         {
  46                 return DBA::selectFirst('conversation', [], ['item-uri' => $item_uri]);
  47         }
  48
  49         /**
  50          * Store the conversation data
  51          *
  52          * @param array $arr Item array with conversation data
  53          * @return array Item array with removed conversation data
  54          * @throws \Exception
  55          */
  56         public static function insert(array $arr)
  57         {
  58                 if (in_array(($arr['network'] ?? '') ?: Protocol::PHANTOM,
  59                         [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, Protocol::TWITTER]) && !empty($arr['uri'])) {
  60                         $conversation = ['item-uri' => $arr['uri'], 'received' => DateTimeFormat::utcNow()];
  61
  62                         if (isset($arr['parent-uri']) && ($arr['parent-uri'] != $arr['uri'])) {
  63                                 $conversation['reply-to-uri'] = $arr['parent-uri'];
  64                         }
  65
  66                         if (isset($arr['thr-parent']) && ($arr['thr-parent'] != $arr['uri'])) {
  67                                 $conversation['reply-to-uri'] = $arr['thr-parent'];
  68                         }
  69
  70                         if (isset($arr['conversation-uri'])) {
  71                                 $conversation['conversation-uri'] = $arr['conversation-uri'];
  72                         }
  73
  74                         if (isset($arr['conversation-href'])) {
  75                                 $conversation['conversation-href'] = $arr['conversation-href'];
  76                         }
  77
  78                         if (isset($arr['protocol'])) {
  79                                 $conversation['protocol'] = $arr['protocol'];
  80                         }
  81
  82                         if (isset($arr['source'])) {
  83                                 $conversation['source'] = $arr['source'];
  84                         }
  85
  86                         $fields = ['item-uri', 'reply-to-uri', 'conversation-uri', 'conversation-href', 'protocol', 'source'];
  87                         $old_conv = DBA::selectFirst('conversation', $fields, ['item-uri' => $conversation['item-uri']]);
  88                         if (DBA::isResult($old_conv)) {
  89                                 // Don't update when only the source has changed.
  90                                 // Only do this when there had been no source before.
  91                                 if ($old_conv['source'] != '') {
  92                                         unset($old_conv['source']);
  93                                 }
  94                                 // Update structure data all the time but the source only when its from a better protocol.
  95                                 if (
  96                                         empty($conversation['source'])
  97                                         || (
  98                                                 !empty($old_conv['source'])
  99                                                 && ($old_conv['protocol'] < (($conversation['protocol'] ?? '') ?: self::PARCEL_UNKNOWN))
 100                                         )
 101                                 ) {
 102                                         unset($conversation['protocol']);
 103                                         unset($conversation['source']);
 104                                 }
 105                                 if (!DBA::update('conversation', $conversation, ['item-uri' => $conversation['item-uri']], $old_conv)) {
 106                                         Logger::log('Conversation: update for ' . $conversation['item-uri'] . ' from ' . $old_conv['protocol'] . ' to ' . $conversation['protocol'] . ' failed',
 107                                                 Logger::DEBUG);
 108                                 }
 109                         } else {
 110                                 if (!DBA::insert('conversation', $conversation, true)) {
 111                                         Logger::log('Conversation: insert for ' . $conversation['item-uri'] . ' (protocol ' . $conversation['protocol'] . ') failed',
 112                                                 Logger::DEBUG);
 113                                 }
 114                         }
 115                 }
 116
 117                 unset($arr['conversation-uri']);
 118                 unset($arr['conversation-href']);
 119                 unset($arr['protocol']);
 120                 unset($arr['source']);
 121
 122                 return $arr;
 123         }
 124 }