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

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2021, 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\Post;
  28 use Friendica\Module\BaseApi;
  29
  30 /**
  31  * @see https://docs.joinmastodon.org/methods/statuses/
  32  */
  33 class Context extends BaseApi
  34 {
  35         /**
  36          * @param array $parameters
  37          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
  38          */
  39         public static function rawContent(array $parameters = [])
  40         {
  41                 $uid = self::getCurrentUserID();
  42
  43                 if (empty($parameters['id'])) {
  44                         DI::mstdnError()->UnprocessableEntity();
  45                 }
  46
  47                 $request = self::getRequest([
  48                         'limit'    => 40, // Maximum number of results to return. Defaults to 40.
  49                 ]);
  50
  51                 $id = $parameters['id'];
  52
  53                 $parent = Post::selectFirst(['parent-uri-id'], ['uri-id' => $id]);
  54                 if (!DBA::isResult($parent)) {
  55                         DI::mstdnError()->RecordNotFound();
  56                 }
  57
  58                 $parents  = [];
  59                 $children = [];
  60
  61                 $posts = Post::selectPosts(['uri-id', 'thr-parent-id'],
  62                         ['parent-uri-id' => $parent['parent-uri-id'], 'gravity' => [GRAVITY_PARENT, GRAVITY_COMMENT]], []);
  63                 while ($post = Post::fetch($posts)) {
  64                         if ($post['uri-id'] == $post['thr-parent-id']) {
  65                                 continue;
  66                         }
  67                         $parents[$post['uri-id']] = $post['thr-parent-id'];
  68
  69                         $children[$post['thr-parent-id']][] = $post['uri-id'];
  70                 }
  71                 DBA::close($posts);
  72
  73                 $statuses = ['ancestors' => [], 'descendants' => []];
  74
  75                 $ancestors = self::getParents($id, $parents);
  76
  77                 asort($ancestors);
  78
  79                 foreach (array_slice($ancestors, 0, $request['limit']) as $ancestor) {
  80                         $statuses['ancestors'][] = DI::mstdnStatus()->createFromUriId($ancestor, $uid);;
  81                 }
  82
  83                 $descendants = self::getChildren($id, $children);
  84
  85                 asort($descendants);
  86
  87                 foreach (array_slice($descendants, 0, $request['limit']) as $descendant) {
  88                         $statuses['descendants'][] = DI::mstdnStatus()->createFromUriId($descendant, $uid);
  89                 }
  90
  91                 System::jsonExit($statuses);
  92         }
  93
  94         private static function getParents(int $id, array $parents, array $list = [])
  95         {
  96                 if (!empty($parents[$id])) {
  97                         $list[] = $parents[$id];
  98
  99                         $list = self::getParents($parents[$id], $parents, $list);
 100                 }
 101                 return $list;
 102         }
 103
 104         private static function getChildren(int $id, array $children, array $list = [])
 105         {
 106                 if (!empty($children[$id])) {
 107                         foreach ($children[$id] as $child) {
 108                                 $list[] = $child;
 109
 110                                 $list = self::getChildren($child, $children, $list);
 111                         }
 112                 }
 113                 return $list;
 114         }
 115 }