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                 ], $request);
  53
  54                 $id = $this->parameters['id'];
  55
  56                 $parents  = [];
  57                 $children = [];
  58
  59                 $parent = Post::selectFirst(['parent-uri-id'], ['uri-id' => $id]);
  60                 if (DBA::isResult($parent)) {
  61                         $params    = ['order' => ['uri-id' => true]];
  62                         $condition = ['parent-uri-id' => $parent['parent-uri-id'], 'gravity' => [Item::GRAVITY_PARENT, Item::GRAVITY_COMMENT]];
  63
  64                         if (!empty($request['max_id'])) {
  65                                 $condition = DBA::mergeConditions($condition, ["`uri-id` < ?", $request['max_id']]);
  66                         }
  67
  68                         if (!empty($request['since_id'])) {
  69                                 $condition = DBA::mergeConditions($condition, ["`uri-id` > ?", $request['since_id']]);
  70                         }
  71
  72                         if (!empty($request['min_id'])) {
  73                                 $condition = DBA::mergeConditions($condition, ["`uri-id` > ?", $request['min_id']]);
  74                                 $params['order'] = ['uri-id'];
  75                         }
  76
  77                         $posts = Post::selectPosts(['uri-id', 'thr-parent-id'], $condition, $params);
  78                         while ($post = Post::fetch($posts)) {
  79                                 if ($post['uri-id'] == $post['thr-parent-id']) {
  80                                         continue;
  81                                 }
  82                                 self::setBoundaries($post['uri-id']);
  83
  84                                 $parents[$post['uri-id']] = $post['thr-parent-id'];
  85
  86                                 $children[$post['thr-parent-id']][] = $post['uri-id'];
  87                         }
  88                         DBA::close($posts);
  89
  90                         self::setLinkHeader();
  91                 } else {
  92                         $parent = DBA::selectFirst('mail', ['parent-uri-id'], ['uri-id' => $id, 'uid' => $uid]);
  93                         if (DBA::isResult($parent)) {
  94                                 $posts = DBA::select('mail', ['uri-id', 'thr-parent-id'], ['parent-uri-id' => $parent['parent-uri-id']]);
  95                                 while ($post = DBA::fetch($posts)) {
  96                                         if ($post['uri-id'] == $post['thr-parent-id']) {
  97                                                 continue;
  98                                         }
  99                                         $parents[$post['uri-id']] = $post['thr-parent-id'];
 100
 101                                         $children[$post['thr-parent-id']][] = $post['uri-id'];
 102                                 }
 103                                 DBA::close($posts);
 104                         } else {
 105                                 DI::mstdnError()->RecordNotFound();
 106                         }
 107                 }
 108
 109                 $statuses = ['ancestors' => [], 'descendants' => []];
 110
 111                 $ancestors = self::getParents($id, $parents);
 112
 113                 asort($ancestors);
 114
 115                 $display_quotes = self::appSupportsQuotes();
 116
 117                 foreach (array_slice($ancestors, 0, $request['limit']) as $ancestor) {
 118                         $statuses['ancestors'][] = DI::mstdnStatus()->createFromUriId($ancestor, $uid, true, true, $display_quotes);;
 119                 }
 120
 121                 $descendants = self::getChildren($id, $children);
 122
 123                 asort($descendants);
 124
 125                 foreach (array_slice($descendants, 0, $request['limit']) as $descendant) {
 126                         $statuses['descendants'][] = DI::mstdnStatus()->createFromUriId($descendant, $uid, true, true, $display_quotes);
 127                 }
 128
 129                 System::jsonExit($statuses);
 130         }
 131
 132         private static function getParents(int $id, array $parents, array $list = [])
 133         {
 134                 if (!empty($parents[$id])) {
 135                         $list[] = $parents[$id];
 136
 137                         $list = self::getParents($parents[$id], $parents, $list);
 138                 }
 139                 return $list;
 140         }
 141
 142         private static function getChildren(int $id, array $children, array $list = [])
 143         {
 144                 if (!empty($children[$id])) {
 145                         foreach ($children[$id] as $child) {
 146                                 $list[] = $child;
 147
 148                                 $list = self::getChildren($child, $children, $list);
 149                         }
 150                 }
 151                 return $list;
 152         }
 153 }