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

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2022, 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                         'limit'    => 40, // Maximum number of results to return. Defaults to 40.
  49                 ], $request);
  50
  51                 $id = $this->parameters['id'];
  52
  53                 $parents  = [];
  54                 $children = [];
  55
  56                 $parent = Post::selectFirst(['parent-uri-id'], ['uri-id' => $id]);
  57                 if (DBA::isResult($parent)) {
  58                         $posts = Post::selectPosts(['uri-id', 'thr-parent-id'],
  59                                 ['parent-uri-id' => $parent['parent-uri-id'], 'gravity' => [Item::GRAVITY_PARENT, Item::GRAVITY_COMMENT]]);
  60                         while ($post = Post::fetch($posts)) {
  61                                 if ($post['uri-id'] == $post['thr-parent-id']) {
  62                                         continue;
  63                                 }
  64                                 $parents[$post['uri-id']] = $post['thr-parent-id'];
  65
  66                                 $children[$post['thr-parent-id']][] = $post['uri-id'];
  67                         }
  68                         DBA::close($posts);
  69                 } else {
  70                         $parent = DBA::selectFirst('mail', ['parent-uri-id'], ['uri-id' => $id, 'uid' => $uid]);
  71                         if (DBA::isResult($parent)) {
  72                                 $posts = DBA::select('mail', ['uri-id', 'thr-parent-id'], ['parent-uri-id' => $parent['parent-uri-id']]);
  73                                 while ($post = DBA::fetch($posts)) {
  74                                         if ($post['uri-id'] == $post['thr-parent-id']) {
  75                                                 continue;
  76                                         }
  77                                         $parents[$post['uri-id']] = $post['thr-parent-id'];
  78
  79                                         $children[$post['thr-parent-id']][] = $post['uri-id'];
  80                                 }
  81                                 DBA::close($posts);
  82                         } else {
  83                                 DI::mstdnError()->RecordNotFound();
  84                         }
  85                 }
  86
  87                 $statuses = ['ancestors' => [], 'descendants' => []];
  88
  89                 $ancestors = self::getParents($id, $parents);
  90
  91                 asort($ancestors);
  92
  93                 foreach (array_slice($ancestors, 0, $request['limit']) as $ancestor) {
  94                         $statuses['ancestors'][] = DI::mstdnStatus()->createFromUriId($ancestor, $uid);;
  95                 }
  96
  97                 $descendants = self::getChildren($id, $children);
  98
  99                 asort($descendants);
 100
 101                 foreach (array_slice($descendants, 0, $request['limit']) as $descendant) {
 102                         $statuses['descendants'][] = DI::mstdnStatus()->createFromUriId($descendant, $uid);
 103                 }
 104
 105                 System::jsonExit($statuses);
 106         }
 107
 108         private static function getParents(int $id, array $parents, array $list = [])
 109         {
 110                 if (!empty($parents[$id])) {
 111                         $list[] = $parents[$id];
 112
 113                         $list = self::getParents($parents[$id], $parents, $list);
 114                 }
 115                 return $list;
 116         }
 117
 118         private static function getChildren(int $id, array $children, array $list = [])
 119         {
 120                 if (!empty($children[$id])) {
 121                         foreach ($children[$id] as $child) {
 122                                 $list[] = $child;
 123
 124                                 $list = self::getChildren($child, $children, $list);
 125                         }
 126                 }
 127                 return $list;
 128         }
 129 }