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