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          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
  37          */
  38         public function rawContent()
  39         {
  40                 $uid = self::getCurrentUserID();
  41
  42                 if (empty($this->parameters['id'])) {
  43                         DI::mstdnError()->UnprocessableEntity();
  44                 }
  45
  46                 $request = self::getRequest([
  47                         'limit'    => 40, // Maximum number of results to return. Defaults to 40.
  48                 ]);
  49
  50                 $id = $this->parameters['id'];
  51
  52                 $parents  = [];
  53                 $children = [];
  54
  55                 $parent = Post::selectFirst(['parent-uri-id'], ['uri-id' => $id]);
  56                 if (DBA::isResult($parent)) {
  57                         $posts = Post::selectPosts(['uri-id', 'thr-parent-id'],
  58                                 ['parent-uri-id' => $parent['parent-uri-id'], 'gravity' => [GRAVITY_PARENT, GRAVITY_COMMENT]]);
  59                         while ($post = Post::fetch($posts)) {
  60                                 if ($post['uri-id'] == $post['thr-parent-id']) {
  61                                         continue;
  62                                 }
  63                                 $parents[$post['uri-id']] = $post['thr-parent-id'];
  64
  65                                 $children[$post['thr-parent-id']][] = $post['uri-id'];
  66                         }
  67                         DBA::close($posts);
  68                 } else {
  69                         $parent = DBA::selectFirst('mail', ['parent-uri-id'], ['uri-id' => $id, 'uid' => $uid]);
  70                         if (DBA::isResult($parent)) {
  71                                 $posts = DBA::select('mail', ['uri-id', 'thr-parent-id'], ['parent-uri-id' => $parent['parent-uri-id']]);
  72                                 while ($post = DBA::fetch($posts)) {
  73                                         if ($post['uri-id'] == $post['thr-parent-id']) {
  74                                                 continue;
  75                                         }
  76                                         $parents[$post['uri-id']] = $post['thr-parent-id'];
  77
  78                                         $children[$post['thr-parent-id']][] = $post['uri-id'];
  79                                 }
  80                                 DBA::close($posts);
  81                         } else {
  82                                 DI::mstdnError()->RecordNotFound();
  83                         }
  84                 }
  85
  86                 $statuses = ['ancestors' => [], 'descendants' => []];
  87
  88                 $ancestors = self::getParents($id, $parents);
  89
  90                 asort($ancestors);
  91
  92                 foreach (array_slice($ancestors, 0, $request['limit']) as $ancestor) {
  93                         $statuses['ancestors'][] = DI::mstdnStatus()->createFromUriId($ancestor, $uid);;
  94                 }
  95
  96                 $descendants = self::getChildren($id, $children);
  97
  98                 asort($descendants);
  99
 100                 foreach (array_slice($descendants, 0, $request['limit']) as $descendant) {
 101                         $statuses['descendants'][] = DI::mstdnStatus()->createFromUriId($descendant, $uid);
 102                 }
 103
 104                 System::jsonExit($statuses);
 105         }
 106
 107         private static function getParents(int $id, array $parents, array $list = [])
 108         {
 109                 if (!empty($parents[$id])) {
 110                         $list[] = $parents[$id];
 111
 112                         $list = self::getParents($parents[$id], $parents, $list);
 113                 }
 114                 return $list;
 115         }
 116
 117         private static function getChildren(int $id, array $children, array $list = [])
 118         {
 119                 if (!empty($children[$id])) {
 120                         foreach ($children[$id] as $child) {
 121                                 $list[] = $child;
 122
 123                                 $list = self::getChildren($child, $children, $list);
 124                         }
 125                 }
 126                 return $list;
 127         }
 128 }