]> git.mxchange.org Git - friendica.git/blob - src/Object/Post.php
Change FollowRequest to return the user ID so is compatible with POST endpoint
[friendica.git] / src / Object / Post.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\Object;
23
24 use Friendica\Content\ContactSelector;
25 use Friendica\Content\Feature;
26 use Friendica\Core\Addon;
27 use Friendica\Core\Hook;
28 use Friendica\Core\Logger;
29 use Friendica\Core\Protocol;
30 use Friendica\Core\Renderer;
31 use Friendica\DI;
32 use Friendica\Model\Contact;
33 use Friendica\Model\Item;
34 use Friendica\Model\Photo;
35 use Friendica\Model\Post as PostModel;
36 use Friendica\Model\Tag;
37 use Friendica\Model\User;
38 use Friendica\Protocol\Activity;
39 use Friendica\Util\Crypto;
40 use Friendica\Util\DateTimeFormat;
41 use Friendica\Util\Proxy;
42 use Friendica\Util\Strings;
43 use Friendica\Util\Temporal;
44 use InvalidArgumentException;
45
46 /**
47  * An item
48  */
49 class Post
50 {
51         private $data = [];
52         private $template = null;
53         private $available_templates = [
54                 'wall' => 'wall_thread.tpl',
55                 'wall2wall' => 'wallwall_thread.tpl'
56         ];
57         private $comment_box_template = 'comment_item.tpl';
58         private $toplevel = false;
59         private $writable = false;
60         /**
61          * @var Post[]
62          */
63         private $children = [];
64         private $parent = null;
65
66         /**
67          * @var Thread
68          */
69         private $thread = null;
70         private $redirect_url = null;
71         private $owner_url = '';
72         private $owner_name = '';
73         private $wall_to_wall = false;
74         private $threaded = false;
75         private $visiting = false;
76
77         /**
78          * Constructor
79          *
80          * @param array $data data array
81          * @throws \Exception
82          */
83         public function __construct(array $data)
84         {
85                 $this->data = $data;
86                 $this->setTemplate('wall');
87                 $this->toplevel = $this->getId() == $this->getDataValue('parent');
88
89                 if (!empty(DI::userSession()->getUserIDForVisitorContactID($this->getDataValue('contact-id')))) {
90                         $this->visiting = true;
91                 }
92
93                 $this->writable = $this->getDataValue('writable') || $this->getDataValue('self');
94                 $author = ['uid' => 0, 'id' => $this->getDataValue('author-id'),
95                         'network' => $this->getDataValue('author-network'),
96                         'url' => $this->getDataValue('author-link')];
97                 $this->redirect_url = Contact::magicLinkByContact($author);
98                 if (!$this->isToplevel()) {
99                         $this->threaded = true;
100                 }
101
102                 // Prepare the children
103                 if (!empty($data['children'])) {
104                         foreach ($data['children'] as $item) {
105                                 // Only add will be displayed
106                                 if ($item['network'] === Protocol::MAIL && DI::userSession()->getLocalUserId() != $item['uid']) {
107                                         continue;
108                                 } elseif (!DI::contentItem()->isVisibleActivity($item)) {
109                                         continue;
110                                 }
111
112                                 // You can always comment on Diaspora and OStatus items
113                                 if (in_array($item['network'], [Protocol::OSTATUS, Protocol::DIASPORA]) && (DI::userSession()->getLocalUserId() == $item['uid'])) {
114                                         $item['writable'] = true;
115                                 }
116
117                                 $item['pagedrop'] = $data['pagedrop'];
118                                 $child = new Post($item);
119                                 $this->addChild($child);
120                         }
121                 }
122         }
123
124         /**
125          * Fetch the privacy of the post
126          *
127          * @param array $item Item record
128          * @return string Item privacy message
129          * @throws InvalidArgumentException If $item['private'] is unknown
130          */
131         private function fetchPrivacy(array $item): string
132         {
133                 switch ($item['private']) {
134                         case Item::PRIVATE:
135                                 $output = DI::l10n()->t('Private Message');
136                                 break;
137
138                         case Item::PUBLIC:
139                                 $output = DI::l10n()->t('Public Message');
140                                 break;
141
142                         case Item::UNLISTED:
143                                 $output = DI::l10n()->t('Unlisted Message');
144                                 break;
145
146                         default:
147                                 throw new InvalidArgumentException('Item privacy ' . $item['privacy'] . ' is unsupported');
148                 }
149
150                 return $output;
151         }
152
153         /**
154          * Get data in a form usable by a conversation template
155          *
156          * @param array   $conv_responses conversation responses
157          * @param string $formSecurityToken A security Token to avoid CSF attacks
158          * @param integer $thread_level   default = 1
159          *
160          * @return mixed The data requested on success, false on failure
161          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
162          * @throws \ImagickException
163          */
164         public function getTemplateData(array $conv_responses, string $formSecurityToken, int $thread_level = 1)
165         {
166                 $item = $this->getData();
167                 $edited = false;
168
169                 /*
170                  * If the time between "created" and "edited" differs we add
171                  * a notice that the post was edited.
172                  * Note: In some networks reshared items seem to have (sometimes) a difference
173                  * between creation time and edit time of a second. Thats why we add the notice
174                  * only if the difference is more than 1 second.
175                  */
176                 if (strtotime($item['edited']) - strtotime($item['created']) > 1) {
177                         $edited = [
178                                 'label'    => DI::l10n()->t('This entry was edited'),
179                                 'date'     => DateTimeFormat::local($item['edited'], 'r'),
180                                 'relative' => Temporal::getRelativeDate($item['edited']),
181                         ];
182                 }
183                 $sparkle = '';
184                 $buttons = [
185                         'like'     => null,
186                         'dislike'  => null,
187                         'share'    => null,
188                         'announce' => null,
189                 ];
190                 $dropping = false;
191                 $pinned = '';
192                 $pin = false;
193                 $star = false;
194                 $ignore_thread = false;
195                 $ispinned = 'unpinned';
196                 $isstarred = 'unstarred';
197                 $indent = '';
198                 $shiny = '';
199                 $osparkle = '';
200                 $total_children = $this->countDescendants();
201
202                 $conv = $this->getThread();
203
204                 $privacy   = $this->fetchPrivacy($item);
205                 $lock      = ($item['private'] == Item::PRIVATE) ? $privacy : false;
206                 $connector = !in_array($item['network'], Protocol::NATIVE_SUPPORT) ? DI::l10n()->t('Connector Message') : false;
207
208                 $shareable = in_array($conv->getProfileOwner(), [0, DI::userSession()->getLocalUserId()]) && $item['private'] != Item::PRIVATE;
209                 $announceable = $shareable && in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::TWITTER]);
210
211                 // On Diaspora only toplevel posts can be reshared
212                 if ($announceable && ($item['network'] == Protocol::DIASPORA) && ($item['gravity'] != Item::GRAVITY_PARENT)) {
213                         $announceable = false;
214                 }
215
216                 $edpost = false;
217
218                 if (DI::userSession()->getLocalUserId()) {
219                         if (Strings::compareLink(DI::session()->get('my_url'), $item['author-link'])) {
220                                 if ($item['event-id'] != 0) {
221                                         $edpost = ['calendar/event/edit/' . $item['event-id'], DI::l10n()->t('Edit')];
222                                 } else {
223                                         $edpost = [sprintf('post/%s/edit', $item['id']), DI::l10n()->t('Edit')];
224                                 }
225                         }
226                         $dropping = in_array($item['uid'], [0, DI::userSession()->getLocalUserId()]);
227                 }
228
229                 // Editing on items of not subscribed users isn't currently possible
230                 // There are some issues on editing that prevent this.
231                 // But also it is an issue of the supported protocols that doesn't allow editing at all.
232                 if ($item['uid'] == 0) {
233                         $edpost = false;
234                 }
235
236                 if (($this->getDataValue('uid') == DI::userSession()->getLocalUserId()) || $this->isVisiting()) {
237                         $dropping = true;
238                 }
239
240                 $origin = $item['origin'] || $item['parent-origin'];
241
242                 if (!empty($item['featured'])) {
243                         $pinned = DI::l10n()->t('Pinned item');
244                 }
245
246                 // Showing the one or the other text, depending upon if we can only hide it or really delete it.
247                 $delete = $origin ? DI::l10n()->t('Delete globally') : DI::l10n()->t('Remove locally');
248
249                 $drop   = false;
250                 $block  = false;
251                 $ignore = false;
252                 if (DI::userSession()->getLocalUserId()) {
253                         $drop = [
254                                 'dropping' => $dropping,
255                                 'pagedrop' => $item['pagedrop'],
256                                 'select' => DI::l10n()->t('Select'),
257                                 'delete' => $delete,
258                         ];
259                 }
260
261                 if (!$item['self'] && DI::userSession()->getLocalUserId()) {
262                         $block = [
263                                 'blocking'  => true,
264                                 'block'     => DI::l10n()->t('Block %s', $item['author-name']),
265                                 'author_id' => $item['author-id'],
266                         ];
267                         $ignore = [
268                                 'ignoring'  => true,
269                                 'ignore'    => DI::l10n()->t('Ignore %s', $item['author-name']),
270                                 'author_id' => $item['author-id'],
271                         ];
272                 }
273
274                 $filer = DI::userSession()->getLocalUserId() ? DI::l10n()->t('Save to folder') : false;
275
276                 $profile_name = $item['author-name'];
277                 if (!empty($item['author-link']) && empty($item['author-name'])) {
278                         $profile_name = $item['author-link'];
279                 }
280
281                 if (DI::userSession()->isAuthenticated()) {
282                         $author = ['uid' => 0, 'id' => $item['author-id'],
283                                 'network' => $item['author-network'], 'url' => $item['author-link']];
284                         $profile_link = Contact::magicLinkByContact($author);
285                 } else {
286                         $profile_link = $item['author-link'];
287                 }
288
289                 if (strpos($profile_link, 'contact/redir/') === 0) {
290                         $sparkle = ' sparkle';
291                 }
292
293                 $locate = ['location' => $item['location'], 'coord' => $item['coord'], 'html' => ''];
294                 Hook::callAll('render_location', $locate);
295                 $location_html = $locate['html'] ?: Strings::escapeHtml($locate['location'] ?: $locate['coord'] ?: '');
296
297                 // process action responses - e.g. like/dislike/attend/agree/whatever
298                 $response_verbs = ['like', 'dislike', 'announce'];
299
300                 $isevent = false;
301                 $attend = [];
302                 if ($item['object-type'] === Activity\ObjectType::EVENT) {
303                         $response_verbs[] = 'attendyes';
304                         $response_verbs[] = 'attendno';
305                         $response_verbs[] = 'attendmaybe';
306
307                         if ($conv->isWritable()) {
308                                 $isevent = true;
309                                 $attend = [DI::l10n()->t('I will attend'), DI::l10n()->t('I will not attend'), DI::l10n()->t('I might attend')];
310                         }
311                 }
312
313                 $responses = [];
314                 foreach ($response_verbs as $value => $verb) {
315                         $responses[$verb] = [
316                                 'self'   => $conv_responses[$verb][$item['uri-id']]['self'] ?? 0,
317                                 'output' => !empty($conv_responses[$verb][$item['uri-id']]) ? DI::conversation()->formatActivity($conv_responses[$verb][$item['uri-id']]['links'], $verb, $item['uri-id']) : '',
318                         ];
319                 }
320
321                 /*
322                  * We should avoid doing this all the time, but it depends on the conversation mode
323                  * And the conv mode may change when we change the conv, or it changes its mode
324                  * Maybe we should establish a way to be notified about conversation changes
325                  */
326                 $this->checkWallToWall();
327
328                 if ($this->isWallToWall() && ($this->getOwnerUrl() == $this->getRedirectUrl())) {
329                         $osparkle = ' sparkle';
330                 }
331
332                 $tagger = '';
333
334                 if ($this->isToplevel()) {
335                         if (DI::userSession()->getLocalUserId()) {
336                                 $ignored_thread = PostModel\ThreadUser::getIgnored($item['uri-id'], DI::userSession()->getLocalUserId());
337                                 if ($item['mention'] || $ignored_thread) {
338                                         $ignore_thread = [
339                                                 'do'        => DI::l10n()->t('Ignore thread'),
340                                                 'undo'      => DI::l10n()->t('Unignore thread'),
341                                                 'toggle'    => DI::l10n()->t('Toggle ignore status'),
342                                                 'classdo'   => $ignored_thread ? 'hidden' : '',
343                                                 'classundo' => $ignored_thread ? '' : 'hidden',
344                                                 'ignored'   => DI::l10n()->t('Ignored'),
345                                         ];
346                                 }
347
348                                 $isstarred = (($item['starred']) ? 'starred' : 'unstarred');
349
350                                 $star = [
351                                         'do'        => DI::l10n()->t('Add star'),
352                                         'undo'      => DI::l10n()->t('Remove star'),
353                                         'toggle'    => DI::l10n()->t('Toggle star status'),
354                                         'classdo'   => $item['starred'] ? 'hidden' : '',
355                                         'classundo' => $item['starred'] ? '' : 'hidden',
356                                         'starred'   => DI::l10n()->t('Starred'),
357                                 ];
358
359                                 if ($conv->getProfileOwner() == DI::userSession()->getLocalUserId() && ($item['uid'] != 0)) {
360                                         if ($origin && in_array($item['private'], [Item::PUBLIC, Item::UNLISTED])) {
361                                                 $ispinned = ($item['featured'] ? 'pinned' : 'unpinned');
362
363                                                 $pin = [
364                                                         'do'        => DI::l10n()->t('Pin'),
365                                                         'undo'      => DI::l10n()->t('Unpin'),
366                                                         'toggle'    => DI::l10n()->t('Toggle pin status'),
367                                                         'classdo'   => $item['featured'] ? 'hidden' : '',
368                                                         'classundo' => $item['featured'] ? '' : 'hidden',
369                                                         'pinned'   => DI::l10n()->t('Pinned'),
370                                                 ];
371                                         }
372
373                                         $tagger = [
374                                                 'add'   => DI::l10n()->t('Add tag'),
375                                                 'class' => '',
376                                         ];
377                                 }
378                         }
379                 } else {
380                         $indent = 'comment';
381                 }
382
383                 if ($conv->isWritable()) {
384                         $buttons['like']    = [DI::l10n()->t("I like this \x28toggle\x29")      , DI::l10n()->t('Like')];
385                         $buttons['dislike'] = [DI::l10n()->t("I don't like this \x28toggle\x29"), DI::l10n()->t('Dislike')];
386                         if ($shareable) {
387                                 $buttons['share'] = [DI::l10n()->t('Quote share this'), DI::l10n()->t('Quote Share')];
388                         }
389                         if ($announceable) {
390                                 $buttons['announce'] = [DI::l10n()->t('Reshare this'), DI::l10n()->t('Reshare')];
391                                 $buttons['unannounce'] = [DI::l10n()->t('Cancel your Reshare'), DI::l10n()->t('Unshare')];
392                         }
393                 }
394
395                 $comment_html = $this->getCommentBox($indent);
396
397                 if (strcmp(DateTimeFormat::utc($item['created']), DateTimeFormat::utc('now - 12 hours')) > 0) {
398                         $shiny = 'shiny';
399                 }
400
401                 DI::contentItem()->localize($item);
402
403                 $body_html = Item::prepareBody($item, true);
404
405                 list($categories, $folders) = DI::contentItem()->determineCategoriesTerms($item, DI::userSession()->getLocalUserId());
406
407                 if (!empty($item['title'])) {
408                         $title = $item['title'];
409                 } elseif (!empty($item['content-warning']) && DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'disable_cw', false)) {
410                         $title = ucfirst($item['content-warning']);
411                 } else {
412                         $title = '';
413                 }
414
415                 if (DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'hide_dislike')) {
416                         $buttons['dislike'] = false;
417                 }
418
419                 // Disable features that aren't available in several networks
420                 if (!in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA])) {
421                         if ($buttons['dislike']) {
422                                 $buttons['dislike'] = false;
423                         }
424
425                         $isevent = false;
426                         $tagger = '';
427                 }
428
429                 if ($buttons['like'] && in_array($item['network'], [Protocol::FEED, Protocol::MAIL])) {
430                         $buttons['like'] = false;
431                 }
432
433                 $tags = Tag::populateFromItem($item);
434
435                 $ago = Temporal::getRelativeDate($item['created']);
436                 $ago_received = Temporal::getRelativeDate($item['received']);
437                 if (DI::config()->get('system', 'show_received') && (abs(strtotime($item['created']) - strtotime($item['received'])) > DI::config()->get('system', 'show_received_seconds')) && ($ago != $ago_received)) {
438                         $ago = DI::l10n()->t('%s (Received %s)', $ago, $ago_received);
439                 }
440
441                 // Fetching of Diaspora posts doesn't always work. There are issues with reshares and possibly comments
442                 if (!DI::userSession()->getLocalUserId() && ($item['network'] != Protocol::DIASPORA) && !empty(DI::session()->get('remote_comment'))) {
443                         $remote_comment = [DI::l10n()->t('Comment this item on your system'), DI::l10n()->t('Remote comment'),
444                                 str_replace('{uri}', urlencode($item['uri']), DI::session()->get('remote_comment'))];
445
446                         // Ensure to either display the remote comment or the local activities
447                         $buttons = [];
448                         $comment_html = '';
449                 } else {
450                         $remote_comment = '';
451                 }
452
453                 $direction = [];
454                 if (!empty($item['direction'])) {
455                         $direction = $item['direction'];
456                 }
457
458                 $languages = [];
459                 if (!empty($item['language'])) {
460                         $languages = [DI::l10n()->t('Languages'), Item::getLanguageMessage($item)];
461                 }
462
463                 if (in_array($item['private'], [Item::PUBLIC, Item::UNLISTED]) && in_array($item['network'], Protocol::FEDERATED)) {
464                         $browsershare = [DI::l10n()->t('Share via ...'), DI::l10n()->t('Share via external services')];
465                 } else {
466                         $browsershare = null;
467                 }
468
469                 $tmp_item = [
470                         'template'        => $this->getTemplate(),
471                         'type'            => implode('', array_slice(explode('/', $item['verb']), -1)),
472                         'comment_firstcollapsed' => false,
473                         'comment_lastcollapsed' => false,
474                         'suppress_tags'   => DI::config()->get('system', 'suppress_tags'),
475                         'tags'            => $tags['tags'],
476                         'hashtags'        => $tags['hashtags'],
477                         'mentions'        => $tags['mentions'],
478                         'implicit_mentions' => $tags['implicit_mentions'],
479                         'txt_cats'        => DI::l10n()->t('Categories:'),
480                         'txt_folders'     => DI::l10n()->t('Filed under:'),
481                         'has_cats'        => ((count($categories)) ? 'true' : ''),
482                         'has_folders'     => ((count($folders)) ? 'true' : ''),
483                         'categories'      => $categories,
484                         'folders'         => $folders,
485                         'body_html'       => $body_html,
486                         'text'            => strip_tags($body_html),
487                         'id'              => $this->getId(),
488                         'guid'            => urlencode($item['guid']),
489                         'isevent'         => $isevent,
490                         'attend'          => $attend,
491                         'linktitle'       => DI::l10n()->t('View %s\'s profile @ %s', $profile_name, $item['author-link']),
492                         'olinktitle'      => DI::l10n()->t('View %s\'s profile @ %s', $this->getOwnerName(), $item['owner-link']),
493                         'to'              => DI::l10n()->t('to'),
494                         'via'             => DI::l10n()->t('via'),
495                         'wall'            => DI::l10n()->t('Wall-to-Wall'),
496                         'vwall'           => DI::l10n()->t('via Wall-To-Wall:'),
497                         'profile_url'     => $profile_link,
498                         'name'            => $profile_name,
499                         'item_photo_menu_html' => DI::contentItem()->photoMenu($item, $formSecurityToken),
500                         'thumb'           => DI::baseUrl()->remove(DI::contentItem()->getAuthorAvatar($item)),
501                         'osparkle'        => $osparkle,
502                         'sparkle'         => $sparkle,
503                         'title'           => $title,
504                         'localtime'       => DateTimeFormat::local($item['created'], 'r'),
505                         'ago'             => $item['app'] ? DI::l10n()->t('%s from %s', $ago, $item['app']) : $ago,
506                         'app'             => $item['app'],
507                         'created'         => $ago,
508                         'lock'            => $lock,
509                         'private'         => $item['private'],
510                         'privacy'         => $privacy,
511                         'connector'       => $connector,
512                         'location_html'   => $location_html,
513                         'indent'          => $indent,
514                         'shiny'           => $shiny,
515                         'owner_self'      => $item['author-link'] == DI::session()->get('my_url'),
516                         'owner_url'       => $this->getOwnerUrl(),
517                         'owner_photo'     => DI::baseUrl()->remove(DI::contentItem()->getOwnerAvatar($item)),
518                         'owner_name'      => $this->getOwnerName(),
519                         'plink'           => Item::getPlink($item),
520                         'browsershare'    => $browsershare,
521                         'edpost'          => $edpost,
522                         'ispinned'        => $ispinned,
523                         'pin'             => $pin,
524                         'pinned'          => $pinned,
525                         'isstarred'       => $isstarred,
526                         'star'            => $star,
527                         'ignore'          => $ignore_thread,
528                         'tagger'          => $tagger,
529                         'filer'           => $filer,
530                         'language'        => $languages,
531                         'drop'            => $drop,
532                         'block'           => $block,
533                         'ignore_author'   => $ignore,
534                         'vote'            => $buttons,
535                         'like_html'       => $responses['like']['output'],
536                         'dislike_html'    => $responses['dislike']['output'],
537                         'responses'       => $responses,
538                         'switchcomment'   => DI::l10n()->t('Comment'),
539                         'reply_label'     => DI::l10n()->t('Reply to %s', $profile_name),
540                         'comment_html'    => $comment_html,
541                         'remote_comment'  => $remote_comment,
542                         'menu'            => DI::l10n()->t('More'),
543                         'previewing'      => $conv->isPreview() ? ' preview ' : '',
544                         'wait'            => DI::l10n()->t('Please wait'),
545                         'thread_level'    => $thread_level,
546                         'edited'          => $edited,
547                         'network'         => $item['network'],
548                         'network_name'    => ContactSelector::networkToName($item['author-network'], $item['author-link'], $item['network'], $item['author-gsid']),
549                         'network_icon'    => ContactSelector::networkToIcon($item['network'], $item['author-link'], $item['author-gsid']),
550                         'received'        => $item['received'],
551                         'commented'       => $item['commented'],
552                         'created_date'    => $item['created'],
553                         'uriid'           => $item['uri-id'],
554                         'return'          => (DI::args()->getCommand()) ? bin2hex(DI::args()->getCommand()) : '',
555                         'direction'       => $direction,
556                         'reshared'        => $item['reshared'] ?? '',
557                         'delivery'        => [
558                                 'queue_count'       => $item['delivery_queue_count'],
559                                 'queue_done'        => $item['delivery_queue_done'] + $item['delivery_queue_failed'], /// @todo Possibly display it separately in the future
560                                 'notifier_pending'  => DI::l10n()->t('Notifier task is pending'),
561                                 'delivery_pending'  => DI::l10n()->t('Delivery to remote servers is pending'),
562                                 'delivery_underway' => DI::l10n()->t('Delivery to remote servers is underway'),
563                                 'delivery_almost'   => DI::l10n()->t('Delivery to remote servers is mostly done'),
564                                 'delivery_done'     => DI::l10n()->t('Delivery to remote servers is done'),
565                         ],
566                 ];
567
568                 $arr = ['item' => $item, 'output' => $tmp_item];
569                 Hook::callAll('display_item', $arr);
570
571                 $result = $arr['output'];
572
573                 $result['children'] = [];
574                 $children = $this->getChildren();
575                 $nb_children = count($children);
576                 if ($nb_children > 0) {
577                         foreach ($children as $child) {
578                                 $result['children'][] = $child->getTemplateData($conv_responses, $formSecurityToken, $thread_level + 1);
579                         }
580
581                         // Collapse
582                         if (($nb_children > 2) || ($thread_level > 1)) {
583                                 $result['children'][0]['comment_firstcollapsed'] = true;
584                                 $result['children'][0]['num_comments'] = DI::l10n()->tt('%d comment', '%d comments', $total_children);
585                                 $result['children'][0]['show_text'] = DI::l10n()->t('Show more');
586                                 $result['children'][0]['hide_text'] = DI::l10n()->t('Show fewer');
587                                 if ($thread_level > 1) {
588                                         $result['children'][$nb_children - 1]['comment_lastcollapsed'] = true;
589                                 } else {
590                                         $result['children'][$nb_children - 3]['comment_lastcollapsed'] = true;
591                                 }
592                         }
593                 }
594
595                 // Copy values/set defaults
596                 $result['total_comments_num'] = $this->isToplevel() ? $total_children : 0;
597                 $result['private']            = $item['private'];
598                 $result['toplevel']           = ($this->isToplevel() ? 'toplevel_item' : '');
599                 $result['flatten']            = !$this->isThreaded();
600                 $result['threaded']           = $this->isThreaded();
601
602                 return $result;
603         }
604
605         /**
606          * @return integer
607          */
608         public function getId(): int
609         {
610                 return $this->getDataValue('id');
611         }
612
613         /**
614          * @return boolean
615          */
616         public function isThreaded(): bool
617         {
618                 return $this->threaded;
619         }
620
621         /**
622          * Add a child post
623          *
624          * @param Post $item The child post to add
625          *
626          * @return Post|bool Last Post object or bool on any error
627          * @throws \Exception
628          */
629         public function addChild(Post $item)
630         {
631                 if (!$item->getId()) {
632                         Logger::error('Post object has no id', ['post' => $item]);
633                         return false;
634                 } elseif ($this->getChild($item->getId())) {
635                         Logger::warning('Post object already exists', ['post' => $item]);
636                         return false;
637                 }
638
639                 /*
640                  * Only add what will be displayed
641                  */
642                 if ($item->getDataValue('network') === Protocol::MAIL && DI::userSession()->getLocalUserId() != $item->getDataValue('uid')) {
643                         Logger::warning('Post object does not belong to local user', ['post' => $item, 'local_user' => DI::userSession()->getLocalUserId()]);
644                         return false;
645                 } elseif (DI::activity()->match($item->getDataValue('verb'), Activity::LIKE) ||
646                           DI::activity()->match($item->getDataValue('verb'), Activity::DISLIKE)) {
647                         Logger::warning('Post objects is a like/dislike', ['post' => $item]);
648                         return false;
649                 }
650
651                 $item->setParent($this);
652                 $this->children[] = $item;
653
654                 return end($this->children);
655         }
656
657         /**
658          * Get a child by its ID
659          *
660          * @param integer $id The child id
661          * @return Thread|null Thread or NULL if not found
662          */
663         public function getChild(int $id)
664         {
665                 foreach ($this->getChildren() as $child) {
666                         if ($child->getId() == $id) {
667                                 return $child;
668                         }
669                 }
670
671                 return null;
672         }
673
674         /**
675          * Get all our children
676          *
677          * @return Post[]
678          */
679         public function getChildren(): array
680         {
681                 return $this->children;
682         }
683
684         /**
685          * Set our parent
686          *
687          * @param Post $item The item to set as parent
688          * @return void
689          */
690         protected function setParent(Post $item)
691         {
692                 $parent = $this->getParent();
693                 if ($parent) {
694                         $parent->removeChild($this);
695                 }
696
697                 $this->parent = $item;
698                 $this->setThread($item->getThread());
699         }
700
701         /**
702          * Remove our parent
703          *
704          * @return void
705          */
706         protected function removeParent()
707         {
708                 $this->parent = null;
709                 $this->thread = null;
710         }
711
712         /**
713          * Remove a child
714          *
715          * @param Post $item The child to be removed
716          * @return boolean Success or failure
717          * @throws \Exception
718          */
719         public function removeChild(Post $item): bool
720         {
721                 $id = $item->getId();
722                 foreach ($this->getChildren() as $key => $child) {
723                         if ($child->getId() == $id) {
724                                 $child->removeParent();
725                                 unset($this->children[$key]);
726                                 // Reindex the array, in order to make sure there won't be any trouble on loops using count()
727                                 $this->children = array_values($this->children);
728                                 return true;
729                         }
730                 }
731
732                 Logger::info('[WARN] Item::removeChild : Item is not a child (' . $id . ').');
733                 return false;
734         }
735
736         /**
737          * Get parent item
738          *
739          * @return object
740          */
741         protected function getParent()
742         {
743                 return $this->parent;
744         }
745
746         /**
747          * Set conversation thread
748          *
749          * @param Thread|null $thread
750          *
751          * @return void
752          */
753         public function setThread(Thread $thread = null)
754         {
755                 $this->thread = $thread;
756
757                 // Set it on our children too
758                 foreach ($this->getChildren() as $child) {
759                         $child->setThread($thread);
760                 }
761         }
762
763         /**
764          * Get conversation
765          *
766          * @return Thread|null
767          */
768         public function getThread()
769         {
770                 return $this->thread;
771         }
772
773         /**
774          * Get raw data
775          *
776          * We shouldn't need this
777          *
778          * @return array
779          */
780         public function getData(): array
781         {
782                 return $this->data;
783         }
784
785         /**
786          * Get a data value
787          *
788          * @param string $name key
789          *
790          * @return mixed value on success, false on failure
791          */
792         public function getDataValue(string $name)
793         {
794                 if (!isset($this->data[$name])) {
795                         // Logger::info('[ERROR] Item::getDataValue : Item has no value name "'. $name .'".');
796                         return false;
797                 }
798
799                 return $this->data[$name];
800         }
801
802         /**
803          * Set template by name
804          *
805          * @param string $name Template name
806          *
807          * @return void
808          * @throws InvalidArgumentException
809          */
810         private function setTemplate(string $name)
811         {
812                 if (empty($this->available_templates[$name])) {
813                         // Throw exception
814                         throw new InvalidArgumentException('[ERROR] Item::setTemplate : Template not available ("' . $name . '").');
815                 }
816
817                 $this->template = $this->available_templates[$name];
818         }
819
820         /**
821          * Get template
822          *
823          * @return object
824          */
825         private function getTemplate()
826         {
827                 return $this->template;
828         }
829
830         /**
831          * Check if this is a toplevel post
832          *
833          * @return boolean
834          */
835         private function isToplevel(): bool
836         {
837                 return $this->toplevel;
838         }
839
840         /**
841          * Check if this is writable
842          *
843          * @return boolean
844          */
845         private function isWritable(): bool
846         {
847                 $conv = $this->getThread();
848
849                 if ($conv) {
850                         // This will allow us to comment on wall-to-wall items owned by our friends
851                         // and community forums even if somebody else wrote the post.
852                         // bug #517 - this fixes for conversation owner
853                         if ($conv->getMode() == 'profile' && $conv->getProfileOwner() == DI::userSession()->getLocalUserId()) {
854                                 return true;
855                         }
856
857                         // this fixes for visitors
858                         return ($this->writable || ($this->isVisiting() && $conv->getMode() == 'profile'));
859                 }
860                 return $this->writable;
861         }
862
863         /**
864          * Count the total of our descendants
865          *
866          * @return integer
867          */
868         private function countDescendants(): int
869         {
870                 $children = $this->getChildren();
871                 $total = count($children);
872                 if ($total > 0) {
873                         foreach ($children as $child) {
874                                 $total += $child->countDescendants();
875                         }
876                 }
877
878                 return $total;
879         }
880
881         /**
882          * Get the template for the comment box
883          *
884          * @return string
885          */
886         private function getCommentBoxTemplate(): string
887         {
888                 return $this->comment_box_template;
889         }
890
891         /**
892          * Get default text for the comment box
893          *
894          * @return string
895          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
896          */
897         private function getDefaultText(): string
898         {
899                 $a = DI::app();
900
901                 if (!DI::userSession()->getLocalUserId()) {
902                         return '';
903                 }
904
905                 $owner = User::getOwnerDataById($a->getLoggedInUserId());
906                 $item = $this->getData();
907
908                 if (!empty($item['content-warning']) && Feature::isEnabled(DI::userSession()->getLocalUserId(), 'add_abstract')) {
909                         $text = '[abstract=' . Protocol::ACTIVITYPUB . ']' . $item['content-warning'] . "[/abstract]\n";
910                 } else {
911                         $text = '';
912                 }
913
914                 if (!Feature::isEnabled(DI::userSession()->getLocalUserId(), 'explicit_mentions')) {
915                         return $text;
916                 }
917
918                 if (($item['author-addr'] != $owner['addr']) && (($item['gravity'] != Item::GRAVITY_PARENT) || !in_array($item['network'], [Protocol::DIASPORA]))) {
919                         $text .= '@' . $item['author-addr'] . ' ';
920                 }
921
922                 $terms = Tag::getByURIId($item['uri-id'], [Tag::MENTION, Tag::IMPLICIT_MENTION, Tag::EXCLUSIVE_MENTION]);
923                 foreach ($terms as $term) {
924                         if (!$term['url']) {
925                                 DI::logger()->warning('Mention term with no URL', ['term' => $term]);
926                                 continue;
927                         }
928
929                         $profile = Contact::getByURL($term['url'], false, ['addr', 'contact-type']);
930                         if (!empty($profile['addr']) && (($profile['contact-type'] ?? Contact::TYPE_UNKNOWN) != Contact::TYPE_COMMUNITY) &&
931                                 ($profile['addr'] != $owner['addr']) && !strstr($text, $profile['addr'])) {
932                                 $text .= '@' . $profile['addr'] . ' ';
933                         }
934                 }
935
936                 return $text;
937         }
938
939         /**
940          * Get the comment box
941          *
942          * @param string $indent Indent value
943          *
944          * @return mixed The comment box string (empty if no comment box), false on failure
945          * @throws \Exception
946          * @todo return false is nowhere in this method?
947          */
948         private function getCommentBox(string $indent)
949         {
950                 $a = DI::app();
951
952                 $comment_box = '';
953                 $conv = $this->getThread();
954
955                 if ($conv->isWritable() && $this->isWritable()) {
956                         /*
957                          * Hmmm, code depending on the presence of a particular addon?
958                          * This should be better if done by a hook
959                          */
960                         $qcomment = null;
961                         if (Addon::isEnabled('qcomment')) {
962                                 $words = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'qcomment', 'words');
963                                 $qcomment = $words ? explode("\n", $words) : [];
964                         }
965
966                         // Fetch the user id from the parent when the owner user is empty
967                         $uid = $conv->getProfileOwner();
968                         $parent_uid = $this->getDataValue('uid');
969
970                         $owner = User::getOwnerDataById($a->getLoggedInUserId());
971
972                         $default_text = $this->getDefaultText();
973
974                         if (!is_null($parent_uid) && ($uid != $parent_uid)) {
975                                 $uid = $parent_uid;
976                         }
977
978                         $template = Renderer::getMarkupTemplate($this->getCommentBoxTemplate());
979                         $comment_box = Renderer::replaceMacros($template, [
980                                 '$return_path' => DI::args()->getQueryString(),
981                                 '$threaded'    => $this->isThreaded(),
982                                 '$jsreload'    => '',
983                                 '$wall'        => ($conv->getMode() === 'profile'),
984                                 '$id'          => $this->getId(),
985                                 '$parent'      => $this->getId(),
986                                 '$qcomment'    => $qcomment,
987                                 '$default'     => $default_text,
988                                 '$profile_uid' => $uid,
989                                 '$mylink'      => DI::baseUrl()->remove($owner['url'] ?? ''),
990                                 '$mytitle'     => DI::l10n()->t('This is you'),
991                                 '$myphoto'     => DI::baseUrl()->remove($owner['thumb'] ?? ''),
992                                 '$comment'     => DI::l10n()->t('Comment'),
993                                 '$submit'      => DI::l10n()->t('Submit'),
994                                 '$loading'     => DI::l10n()->t('Loading...'),
995                                 '$edbold'      => DI::l10n()->t('Bold'),
996                                 '$editalic'    => DI::l10n()->t('Italic'),
997                                 '$eduline'     => DI::l10n()->t('Underline'),
998                                 '$edquote'     => DI::l10n()->t('Quote'),
999                                 '$edcode'      => DI::l10n()->t('Code'),
1000                                 '$edimg'       => DI::l10n()->t('Image'),
1001                                 '$edurl'       => DI::l10n()->t('Link'),
1002                                 '$edattach'    => DI::l10n()->t('Link or Media'),
1003                                 '$prompttext'  => DI::l10n()->t('Please enter a image/video/audio/webpage URL:'),
1004                                 '$preview'     => DI::l10n()->t('Preview'),
1005                                 '$indent'      => $indent,
1006                                 '$rand_num'    => Crypto::randomDigits(12)
1007                         ]);
1008                 }
1009
1010                 return $comment_box;
1011         }
1012
1013         /**
1014          * @return string
1015          */
1016         private function getRedirectUrl(): string
1017         {
1018                 return $this->redirect_url;
1019         }
1020
1021         /**
1022          * Check if we are a wall to wall item and set the relevant properties
1023          *
1024          * @return void
1025          * @throws \Exception
1026          */
1027         protected function checkWallToWall()
1028         {
1029                 $a = DI::app();
1030                 $conv = $this->getThread();
1031                 $this->wall_to_wall = false;
1032
1033                 if ($this->isToplevel()) {
1034                         if ($conv->getMode() !== 'profile') {
1035                                 if ($this->getDataValue('owner-link')) {
1036                                         $owner_linkmatch = (($this->getDataValue('owner-link')) && Strings::compareLink($this->getDataValue('owner-link'), $this->getDataValue('author-link')));
1037                                         $alias_linkmatch = (($this->getDataValue('alias')) && Strings::compareLink($this->getDataValue('alias'), $this->getDataValue('author-link')));
1038                                         $owner_namematch = (($this->getDataValue('owner-name')) && $this->getDataValue('owner-name') == $this->getDataValue('author-name'));
1039
1040                                         if (!$owner_linkmatch && !$alias_linkmatch && !$owner_namematch) {
1041                                                 /*
1042                                                  * The author url doesn't match the owner (typically the contact)
1043                                                  * and also doesn't match the contact alias.
1044                                                  * The name match is a hack to catch several weird cases where URLs are
1045                                                  * all over the park. It can be tricked, but this prevents you from
1046                                                  * seeing "Bob Smith to Bob Smith via Wall-to-wall" and you know darn
1047                                                  * well that it's the same Bob Smith.
1048                                                  * But it could be somebody else with the same name. It just isn't highly likely.
1049                                                  */
1050                                                 $this->owner_name = $this->getDataValue('owner-name');
1051                                                 $this->wall_to_wall = true;
1052
1053                                                 $owner = [
1054                                                         'uid'     => 0,
1055                                                         'id'      => $this->getDataValue('owner-id'),
1056                                                         'network' => $this->getDataValue('owner-network'),
1057                                                         'url'     => $this->getDataValue('owner-link'),
1058                                                 ];
1059                                                 $this->owner_url = Contact::magicLinkByContact($owner);
1060                                         }
1061                                 }
1062                         }
1063                 }
1064
1065                 if (!$this->wall_to_wall) {
1066                         $this->setTemplate('wall');
1067                         $this->owner_url = '';
1068                         $this->owner_name = '';
1069                 }
1070         }
1071
1072         /**
1073          * @return boolean
1074          */
1075         private function isWallToWall(): bool
1076         {
1077                 return $this->wall_to_wall;
1078         }
1079
1080         /**
1081          * @return string
1082          */
1083         private function getOwnerUrl(): string
1084         {
1085                 return $this->owner_url;
1086         }
1087
1088         /**
1089          * @return string
1090          */
1091         private function getOwnerName(): string
1092         {
1093                 return $this->owner_name;
1094         }
1095
1096         /**
1097          * @return boolean
1098          */
1099         private function isVisiting(): bool
1100         {
1101                 return $this->visiting;
1102         }
1103 }