src/Module/Api/Mastodon/Statuses/Context.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2023, the Friendica project
   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\Module\Api\Mastodon\Statuses;
  23
  24 use Friendica\Core\System;
  25 use Friendica\Database\DBA;
  26 use Friendica\DI;
  27 use Friendica\Model\Item;
  28 use Friendica\Model\Post;
  29 use Friendica\Module\BaseApi;
  30
  31 /**
  32  * @see https://docs.joinmastodon.org/methods/statuses/
  33  */
  34 class Context extends BaseApi
  35 {
  36         /**
  37          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
  38          */
  39         protected function rawContent(array $request = [])
  40         {
  41                 $uid = self::getCurrentUserID();
  42
  43                 if (empty($this->parameters['id'])) {
  44                         DI::mstdnError()->UnprocessableEntity();
  45                 }
  46
  47                 $request = $this->getRequest([
  48                         'max_id'   => 0,     // Return results older than this id
  49                         'since_id' => 0,     // Return results newer than this id
  50                         'min_id'   => 0,     // Return results immediately newer than this id
  51                         'limit'    => 40,    // Maximum number of results to return. Defaults to 40.
  52                         'show_all' => false, // shows posts for all users including blocked and ignored users
  53                 ], $request);
  54
  55                 $id = $this->parameters['id'];
  56
  57                 $parents  = [];
  58                 $children = [];
  59                 $deleted  = [];
  60
  61                 $parent = Post::selectOriginal(['uri-id', 'parent-uri-id'], ['uri-id' => $id]);
  62                 if (DBA::isResult($parent)) {
  63                         $id = $parent['uri-id'];
  64                         $params    = ['order' => ['uri-id' => true]];
  65                         $condition = ['parent-uri-id' => $parent['parent-uri-id'], 'gravity' => [Item::GRAVITY_PARENT, Item::GRAVITY_COMMENT]];
  66
  67                         if (!empty($request['max_id'])) {
  68                                 $condition = DBA::mergeConditions($condition, ["`uri-id` < ?", $request['max_id']]);
  69                         }
  70
  71                         if (!empty($request['since_id'])) {
  72                                 $condition = DBA::mergeConditions($condition, ["`uri-id` > ?", $request['since_id']]);
  73                         }
  74
  75                         if (!empty($request['min_id'])) {
  76                                 $condition = DBA::mergeConditions($condition, ["`uri-id` > ?", $request['min_id']]);
  77                                 $params['order'] = ['uri-id'];
  78                         }
  79
  80                         if (!empty($uid) && !$request['show_all']) {
  81                                 $condition = DBA::mergeConditions(
  82                                         $condition,
  83                                         ["NOT `author-id` IN (SELECT `cid` FROM `user-contact` WHERE `uid` = ? AND (`blocked` OR `ignored`))", $uid]
  84                                 );
  85                         }
  86
  87                         $posts = Post::selectPosts(['uri-id', 'thr-parent-id', 'deleted'], $condition, $params);
  88                         while ($post = Post::fetch($posts)) {
  89                                 if ($post['uri-id'] == $post['thr-parent-id']) {
  90                                         continue;
  91                                 }
  92                                 self::setBoundaries($post['uri-id']);
  93
  94                                 $parents[$post['uri-id']] = $post['thr-parent-id'];
  95
  96                                 $children[$post['thr-parent-id']][] = $post['uri-id'];
  97
  98                                 if ($post['deleted']) {
  99                                         $deleted[] = $post['uri-id'];
 100                                 }
 101                         }
 102                         DBA::close($posts);
 103
 104                         self::setLinkHeader();
 105                 } else {
 106                         $parent = DBA::selectFirst('mail', ['parent-uri-id'], ['uri-id' => $id, 'uid' => $uid]);
 107                         if (DBA::isResult($parent)) {
 108                                 $posts = DBA::select('mail', ['uri-id', 'thr-parent-id'], ['parent-uri-id' => $parent['parent-uri-id']]);
 109                                 while ($post = DBA::fetch($posts)) {
 110                                         if ($post['uri-id'] == $post['thr-parent-id']) {
 111                                                 continue;
 112                                         }
 113                                         $parents[$post['uri-id']] = $post['thr-parent-id'];
 114
 115                                         $children[$post['thr-parent-id']][] = $post['uri-id'];
 116                                 }
 117                                 DBA::close($posts);
 118                         } else {
 119                                 $this->logErrorAndJsonExit(404, $this->errorFactory->RecordNotFound());
 120                         }
 121                 }
 122
 123                 $statuses = ['ancestors' => [], 'descendants' => []];
 124
 125                 $ancestors = array_diff(self::getParents($id, $parents), $deleted);
 126
 127                 asort($ancestors);
 128
 129                 $display_quotes = self::appSupportsQuotes();
 130
 131                 foreach (array_slice($ancestors, 0, $request['limit']) as $ancestor) {
 132                         $statuses['ancestors'][] = DI::mstdnStatus()->createFromUriId($ancestor, $uid, $display_quotes);
 133                 }
 134
 135                 $descendants = array_diff(self::getChildren($id, $children), $deleted);
 136
 137                 asort($descendants);
 138
 139                 foreach (array_slice($descendants, 0, $request['limit']) as $descendant) {
 140                         $statuses['descendants'][] = DI::mstdnStatus()->createFromUriId($descendant, $uid, $display_quotes);
 141                 }
 142
 143                 $this->jsonExit($statuses);
 144         }
 145
 146         private static function getParents(int $id, array $parents, array $list = [])
 147         {
 148                 if (!empty($parents[$id])) {
 149                         $list[] = $parents[$id];
 150
 151                         $list = self::getParents($parents[$id], $parents, $list);
 152                 }
 153                 return $list;
 154         }
 155
 156         private static function getChildren(int $id, array $children, array $list = [])
 157         {
 158                 if (!empty($children[$id])) {
 159                         foreach ($children[$id] as $child) {
 160                                 $list[] = $child;
 161
 162                                 $list = self::getChildren($child, $children, $list);
 163                         }
 164                 }
 165                 return $list;
 166         }
 167 }