src/Object/Post.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2020, Friendica
   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\Strings;
  43 use Friendica\Util\Temporal;
  44
  45 /**
  46  * An item
  47  */
  48 class Post
  49 {
  50         private $data = [];
  51         private $template = null;
  52         private $available_templates = [
  53                 'wall' => 'wall_thread.tpl',
  54                 'wall2wall' => 'wallwall_thread.tpl'
  55         ];
  56         private $comment_box_template = 'comment_item.tpl';
  57         private $toplevel = false;
  58         private $writable = false;
  59         /**
  60          * @var Post[]
  61          */
  62         private $children = [];
  63         private $parent = null;
  64
  65         /**
  66          * @var Thread
  67          */
  68         private $thread = null;
  69         private $redirect_url = null;
  70         private $owner_url = '';
  71         private $owner_photo = '';
  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() != $item['uid']) {
 107                                         continue;
 108                                 } elseif (!visible_activity($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          * Get data in a form usable by a conversation template
 126          *
 127          * @param array   $conv_responses conversation responses
 128          * @param integer $thread_level   default = 1
 129          *
 130          * @return mixed The data requested on success
 131          *               false on failure
 132          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 133          * @throws \ImagickException
 134          */
 135         public function getTemplateData(array $conv_responses, $thread_level = 1)
 136         {
 137                 $a = DI::app();
 138
 139                 $item = $this->getData();
 140                 $edited = false;
 141                 // If the time between "created" and "edited" differs we add
 142                 // a notice that the post was edited.
 143                 // Note: In some networks reshared items seem to have (sometimes) a difference
 144                 // between creation time and edit time of a second. Thats why we add the notice
 145                 // only if the difference is more than 1 second.
 146                 if (strtotime($item['edited']) - strtotime($item['created']) > 1) {
 147                         $edited = [
 148                                 'label'    => DI::l10n()->t('This entry was edited'),
 149                                 'date'     => DateTimeFormat::local($item['edited'], 'r'),
 150                                 'relative' => Temporal::getRelativeDate($item['edited'])
 151                         ];
 152                 }
 153                 $sparkle = '';
 154                 $buttons = [
 155                         'like'     => null,
 156                         'dislike'  => null,
 157                         'share'    => null,
 158                         'announce' => null,
 159                 ];
 160                 $dropping = false;
 161                 $pinned = '';
 162                 $pin = false;
 163                 $star = false;
 164                 $ignore = false;
 165                 $ispinned = "unpinned";
 166                 $isstarred = "unstarred";
 167                 $indent = '';
 168                 $shiny = '';
 169                 $osparkle = '';
 170                 $total_children = $this->countDescendants();
 171
 172                 $conv = $this->getThread();
 173
 174                 $lock = ((($item['private'] == Item::PRIVATE) || (($item['uid'] == local_user()) && (strlen($item['allow_cid']) || strlen($item['allow_gid'])
 175                         || strlen($item['deny_cid']) || strlen($item['deny_gid']))))
 176                         ? DI::l10n()->t('Private Message')
 177                         : false);
 178
 179                 $shareable = in_array($conv->getProfileOwner(), [0, local_user()]) && $item['private'] != Item::PRIVATE;
 180                 $announceable = $shareable && in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::TWITTER]);
 181
 182                 // On Diaspora only toplevel posts can be reshared
 183                 if ($announceable && ($item['network'] == Protocol::DIASPORA) && ($item['gravity'] != GRAVITY_PARENT)) {
 184                         $announceable = false;
 185                 }
 186
 187                 $edpost = false;
 188
 189                 if (local_user()) {
 190                         if (Strings::compareLink($a->contact['url'], $item['author-link'])) {
 191                                 if ($item["event-id"] != 0) {
 192                                         $edpost = ["events/event/" . $item['event-id'], DI::l10n()->t("Edit")];
 193                                 } else {
 194                                         $edpost = ["editpost/" . $item['id'], DI::l10n()->t("Edit")];
 195                                 }
 196                         }
 197                         $dropping = in_array($item['uid'], [0, local_user()]);
 198                 }
 199
 200                 // Editing on items of not subscribed users isn't currently possible
 201                 // There are some issues on editing that prevent this.
 202                 // But also it is an issue of the supported protocols that doesn't allow editing at all.
 203                 if ($item['uid'] == 0) {
 204                         $edpost = false;
 205                 }
 206
 207                 if (($this->getDataValue('uid') == local_user()) || $this->isVisiting()) {
 208                         $dropping = true;
 209                 }
 210
 211                 $origin = $item['origin'];
 212
 213                 if (!$origin) {
 214                         /// @todo This shouldn't be done as query here, but better during the data creation.
 215                         // it is now done here, since during the RC phase we shouldn't make to intense changes.
 216                         $parent = PostModel::selectFirst(['origin'], ['id' => $item['parent']]);
 217                         if (DBA::isResult($parent)) {
 218                                 $origin = $parent['origin'];
 219                         }
 220                 } elseif ($item['pinned']) {
 221                         $pinned = DI::l10n()->t('pinned item');
 222                 }
 223
 224                 if ($origin && ($item['gravity'] != GRAVITY_PARENT) && ($item['network'] == Protocol::ACTIVITYPUB)) {
 225                         // ActivityPub doesn't allow removal of remote comments
 226                         $delete = DI::l10n()->t('Delete locally');
 227                 } else {
 228                         // Showing the one or the other text, depending upon if we can only hide it or really delete it.
 229                         $delete = $origin ? DI::l10n()->t('Delete globally') : DI::l10n()->t('Remove locally');
 230                 }
 231
 232                 $drop = false;
 233                 $block = false;
 234                 if (local_user()) {
 235                         $drop = [
 236                                 'dropping' => $dropping,
 237                                 'pagedrop' => $item['pagedrop'],
 238                                 'select'   => DI::l10n()->t('Select'),
 239                                 'delete'   => $delete,
 240                         ];
 241                         $block = [
 242                                 'blocking' => true,
 243                                 'block'   => DI::l10n()->t('Block %s', $item['author-name']),
 244                                 'author_id'   => $item['author-id'],
 245                         ];
 246                 }
 247
 248                 $filer = (($conv->getProfileOwner() == local_user() && ($item['uid'] != 0)) ? DI::l10n()->t("save to folder") : false);
 249
 250                 $profile_name = $item['author-name'];
 251                 if (!empty($item['author-link']) && empty($item['author-name'])) {
 252                         $profile_name = $item['author-link'];
 253                 }
 254
 255                 $author = ['uid' => 0, 'id' => $item['author-id'],
 256                         'network' => $item['author-network'], 'url' => $item['author-link']];
 257
 258                 if (Session::isAuthenticated()) {
 259                         $profile_link = Contact::magicLinkByContact($author);
 260                 } else {
 261                         $profile_link = $item['author-link'];
 262                 }
 263
 264                 if (strpos($profile_link, 'redir/') === 0) {
 265                         $sparkle = ' sparkle';
 266                 }
 267
 268                 $locate = ['location' => $item['location'], 'coord' => $item['coord'], 'html' => ''];
 269                 Hook::callAll('render_location', $locate);
 270                 $location_html = $locate['html'] ?: Strings::escapeHtml($locate['location'] ?: $locate['coord'] ?: '');
 271
 272                 // process action responses - e.g. like/dislike/attend/agree/whatever
 273                 $response_verbs = ['like', 'dislike', 'announce'];
 274
 275                 $isevent = false;
 276                 $attend = [];
 277                 if ($item['object-type'] === Activity\ObjectType::EVENT) {
 278                         $response_verbs[] = 'attendyes';
 279                         $response_verbs[] = 'attendno';
 280                         $response_verbs[] = 'attendmaybe';
 281                         if ($conv->isWritable()) {
 282                                 $isevent = true;
 283                                 $attend = [DI::l10n()->t('I will attend'), DI::l10n()->t('I will not attend'), DI::l10n()->t('I might attend')];
 284                         }
 285                 }
 286
 287                 $responses = [];
 288                 foreach ($response_verbs as $value => $verb) {
 289                         $responses[$verb] = [
 290                                 'self'   => $conv_responses[$verb][$item['uri']]['self'] ?? 0,
 291                                 'output' => !empty($conv_responses[$verb][$item['uri']]) ? format_activity($conv_responses[$verb][$item['uri']]['links'], $verb, $item['uri']) : '',
 292                         ];
 293                 }
 294
 295                 /*
 296                  * We should avoid doing this all the time, but it depends on the conversation mode
 297                  * And the conv mode may change when we change the conv, or it changes its mode
 298                  * Maybe we should establish a way to be notified about conversation changes
 299                  */
 300                 $this->checkWallToWall();
 301
 302                 if ($this->isWallToWall() && ($this->getOwnerUrl() == $this->getRedirectUrl())) {
 303                         $osparkle = ' sparkle';
 304                 }
 305
 306                 $tagger = '';
 307
 308                 if ($this->isToplevel()) {
 309                         if(local_user()) {
 310                                 $thread = PostModel::selectFirstThreadForUser(local_user(), ['ignored'], ['iid' => $item['id']]);
 311                                 if (DBA::isResult($thread)) {
 312                                         $ignore = [
 313                                                 'do'        => DI::l10n()->t("ignore thread"),
 314                                                 'undo'      => DI::l10n()->t("unignore thread"),
 315                                                 'toggle'    => DI::l10n()->t("toggle ignore status"),
 316                                                 'classdo'   => $thread['ignored'] ? "hidden" : "",
 317                                                 'classundo' => $thread['ignored'] ? "" : "hidden",
 318                                                 'ignored'   => DI::l10n()->t('ignored'),
 319                                         ];
 320                                 }
 321
 322                                 if ($conv->getProfileOwner() == local_user() && ($item['uid'] != 0)) {
 323                                         if ($origin) {
 324                                                 $ispinned = ($item['pinned'] ? 'pinned' : 'unpinned');
 325
 326                                                 $pin = [
 327                                                         'do'        => DI::l10n()->t('pin'),
 328                                                         'undo'      => DI::l10n()->t('unpin'),
 329                                                         'toggle'    => DI::l10n()->t('toggle pin status'),
 330                                                         'classdo'   => $item['pinned'] ? 'hidden' : '',
 331                                                         'classundo' => $item['pinned'] ? '' : 'hidden',
 332                                                         'pinned'   => DI::l10n()->t('pinned'),
 333                                                 ];
 334                                         }
 335
 336                                         $isstarred = (($item['starred']) ? "starred" : "unstarred");
 337
 338                                         $star = [
 339                                                 'do'        => DI::l10n()->t("add star"),
 340                                                 'undo'      => DI::l10n()->t("remove star"),
 341                                                 'toggle'    => DI::l10n()->t("toggle star status"),
 342                                                 'classdo'   => $item['starred'] ? "hidden" : "",
 343                                                 'classundo' => $item['starred'] ? "" : "hidden",
 344                                                 'starred'   => DI::l10n()->t('starred'),
 345                                         ];
 346
 347                                         $tagger = [
 348                                                 'add'   => DI::l10n()->t("add tag"),
 349                                                 'class' => "",
 350                                         ];
 351                                 }
 352                         }
 353                 } else {
 354                         $indent = 'comment';
 355                 }
 356
 357                 if ($conv->isWritable()) {
 358                         $buttons['like']    = [DI::l10n()->t("I like this \x28toggle\x29")      , DI::l10n()->t("like")];
 359                         $buttons['dislike'] = [DI::l10n()->t("I don't like this \x28toggle\x29"), DI::l10n()->t("dislike")];
 360                         if ($shareable) {
 361                                 $buttons['share'] = [DI::l10n()->t('Quote share this'), DI::l10n()->t('Quote Share')];
 362                         }
 363                         if ($announceable) {
 364                                 $buttons['announce'] = [DI::l10n()->t('Reshare this'), DI::l10n()->t('Reshare')];
 365                                 $buttons['unannounce'] = [DI::l10n()->t('Cancel your Reshare'), DI::l10n()->t('Unshare')];
 366                         }
 367                 }
 368
 369                 $comment_html = $this->getCommentBox($indent);
 370
 371                 if (strcmp(DateTimeFormat::utc($item['created']), DateTimeFormat::utc('now - 12 hours')) > 0) {
 372                         $shiny = 'shiny';
 373                 }
 374
 375                 localize_item($item);
 376
 377                 $body_html = Item::prepareBody($item, true);
 378
 379                 list($categories, $folders) = DI::contentItem()->determineCategoriesTerms($item);
 380
 381                 if (!empty($item['content-warning']) && DI::pConfig()->get(local_user(), 'system', 'disable_cw', false)) {
 382                         $title = ucfirst($item['content-warning']);
 383                 } else {
 384                         $title = $item['title'];
 385                 }
 386
 387                 if (DI::pConfig()->get(local_user(), 'system', 'hide_dislike')) {
 388                         $buttons['dislike'] = false;
 389                 }
 390
 391                 // Disable features that aren't available in several networks
 392                 if (!in_array($item["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA])) {
 393                         if ($buttons["dislike"]) {
 394                                 $buttons["dislike"] = false;
 395                         }
 396
 397                         $isevent = false;
 398                         $tagger = '';
 399                 }
 400
 401                 if ($buttons["like"] && in_array($item["network"], [Protocol::FEED, Protocol::MAIL])) {
 402                         $buttons["like"] = false;
 403                 }
 404
 405                 $tags = Tag::populateFromItem($item);
 406
 407                 $ago = Temporal::getRelativeDate($item['created']);
 408                 $ago_received = Temporal::getRelativeDate($item['received']);
 409                 if (DI::config()->get('system', 'show_received') && (abs(strtotime($item['created']) - strtotime($item['received'])) > DI::config()->get('system', 'show_received_seconds')) && ($ago != $ago_received)) {
 410                         $ago = DI::l10n()->t('%s (Received %s)', $ago, $ago_received);
 411                 }
 412
 413                 // Fetching of Diaspora posts doesn't always work. There are issues with reshares and possibly comments
 414                 if (($item['network'] != Protocol::DIASPORA) && empty($comment) && !empty(Session::get('remote_comment'))) {
 415                         $remote_comment = [DI::l10n()->t('Comment this item on your system'), DI::l10n()->t('remote comment'),
 416                                 str_replace('{uri}', urlencode($item['uri']), Session::get('remote_comment'))];
 417                 } else {
 418                         $remote_comment = '';
 419                 }
 420
 421                 $direction = [];
 422                 if (!empty($item['direction'])) {
 423                         $direction = $item['direction'];
 424                 } elseif (DI::config()->get('debug', 'show_direction')) {
 425                         $conversation = DBA::selectFirst('conversation', ['direction'], ['item-uri' => $item['uri']]);
 426                         if (!empty($conversation['direction']) && in_array($conversation['direction'], [1, 2])) {
 427                                 $direction_title = [1 => DI::l10n()->t('Pushed'), 2 => DI::l10n()->t('Pulled')];
 428                                 $direction = ['direction' => $conversation['direction'], 'title' => $direction_title[$conversation['direction']]];
 429                         }
 430                 }
 431
 432                 $languages = [];
 433                 if (!empty($item['language'])) {
 434                         $languages = [DI::l10n()->t('Languages'), Item::getLanguageMessage($item)];
 435                 }
 436
 437                 $tmp_item = [
 438                         'template'        => $this->getTemplate(),
 439                         'type'            => implode("", array_slice(explode("/", $item['verb']), -1)),
 440                         'suppress_tags'   => DI::config()->get('system', 'suppress_tags'),
 441                         'tags'            => $tags['tags'],
 442                         'hashtags'        => $tags['hashtags'],
 443                         'mentions'        => $tags['mentions'],
 444                         'implicit_mentions' => $tags['implicit_mentions'],
 445                         'txt_cats'        => DI::l10n()->t('Categories:'),
 446                         'txt_folders'     => DI::l10n()->t('Filed under:'),
 447                         'has_cats'        => ((count($categories)) ? 'true' : ''),
 448                         'has_folders'     => ((count($folders)) ? 'true' : ''),
 449                         'categories'      => $categories,
 450                         'folders'         => $folders,
 451                         'body_html'       => $body_html,
 452                         'text'            => strip_tags($body_html),
 453                         'id'              => $this->getId(),
 454                         'guid'            => urlencode($item['guid']),
 455                         'isevent'         => $isevent,
 456                         'attend'          => $attend,
 457                         'linktitle'       => DI::l10n()->t('View %s\'s profile @ %s', $profile_name, $item['author-link']),
 458                         'olinktitle'      => DI::l10n()->t('View %s\'s profile @ %s', $this->getOwnerName(), $item['owner-link']),
 459                         'to'              => DI::l10n()->t('to'),
 460                         'via'             => DI::l10n()->t('via'),
 461                         'wall'            => DI::l10n()->t('Wall-to-Wall'),
 462                         'vwall'           => DI::l10n()->t('via Wall-To-Wall:'),
 463                         'profile_url'     => $profile_link,
 464                         'name'            => $profile_name,
 465                         'item_photo_menu_html' => item_photo_menu($item),
 466                         'thumb'           => DI::baseUrl()->remove($item['author-avatar']),
 467                         'osparkle'        => $osparkle,
 468                         'sparkle'         => $sparkle,
 469                         'title'           => $title,
 470                         'localtime'       => DateTimeFormat::local($item['created'], 'r'),
 471                         'ago'             => $item['app'] ? DI::l10n()->t('%s from %s', $ago, $item['app']) : $ago,
 472                         'app'             => $item['app'],
 473                         'created'         => $ago,
 474                         'lock'            => $lock,
 475                         'location_html'   => $location_html,
 476                         'indent'          => $indent,
 477                         'shiny'           => $shiny,
 478                         'owner_self'      => $item['author-link'] == Session::get('my_url'),
 479                         'owner_url'       => $this->getOwnerUrl(),
 480                         'owner_photo'     => DI::baseUrl()->remove($item['owner-avatar']),
 481                         'owner_name'      => $this->getOwnerName(),
 482                         'plink'           => Item::getPlink($item),
 483                         'edpost'          => $edpost,
 484                         'ispinned'        => $ispinned,
 485                         'pin'             => $pin,
 486                         'pinned'          => $pinned,
 487                         'isstarred'       => $isstarred,
 488                         'star'            => $star,
 489                         'ignore'          => $ignore,
 490                         'tagger'          => $tagger,
 491                         'filer'           => $filer,
 492                         'language'        => $languages,
 493                         'drop'            => $drop,
 494                         'block'           => $block,
 495                         'vote'            => $buttons,
 496                         'like_html'       => $responses['like']['output'],
 497                         'dislike_html'    => $responses['dislike']['output'],
 498                         'responses'       => $responses,
 499                         'switchcomment'   => DI::l10n()->t('Comment'),
 500                         'reply_label'     => DI::l10n()->t('Reply to %s', $profile_name),
 501                         'comment_html'    => $comment_html,
 502                         'remote_comment'  => $remote_comment,
 503                         'menu'            => DI::l10n()->t('More'),
 504                         'previewing'      => $conv->isPreview() ? ' preview ' : '',
 505                         'wait'            => DI::l10n()->t('Please wait'),
 506                         'thread_level'    => $thread_level,
 507                         'edited'          => $edited,
 508                         'network'         => $item["network"],
 509                         'network_name'    => ContactSelector::networkToName($item['author-network'], $item['author-link'], $item['network']),
 510                         'network_icon'    => ContactSelector::networkToIcon($item['network'], $item['author-link']),
 511                         'received'        => $item['received'],
 512                         'commented'       => $item['commented'],
 513                         'created_date'    => $item['created'],
 514                         'uriid'           => $item['uri-id'],
 515                         'return'          => (DI::args()->getCommand()) ? bin2hex(DI::args()->getCommand()) : '',
 516                         'direction'       => $direction,
 517                         'reshared'        => $item['reshared'] ?? '',
 518                         'delivery'        => [
 519                                 'queue_count'       => $item['delivery_queue_count'],
 520                                 'queue_done'        => $item['delivery_queue_done'] + $item['delivery_queue_failed'], /// @todo Possibly display it separately in the future
 521                                 'notifier_pending'  => DI::l10n()->t('Notifier task is pending'),
 522                                 'delivery_pending'  => DI::l10n()->t('Delivery to remote servers is pending'),
 523                                 'delivery_underway' => DI::l10n()->t('Delivery to remote servers is underway'),
 524                                 'delivery_almost'   => DI::l10n()->t('Delivery to remote servers is mostly done'),
 525                                 'delivery_done'     => DI::l10n()->t('Delivery to remote servers is done'),
 526                         ],
 527                 ];
 528
 529                 $arr = ['item' => $item, 'output' => $tmp_item];
 530                 Hook::callAll('display_item', $arr);
 531
 532                 $result = $arr['output'];
 533
 534                 $result['children'] = [];
 535                 $children = $this->getChildren();
 536                 $nb_children = count($children);
 537                 if ($nb_children > 0) {
 538                         foreach ($children as $child) {
 539                                 $result['children'][] = $child->getTemplateData($conv_responses, $thread_level + 1);
 540                         }
 541
 542                         // Collapse
 543                         if (($nb_children > 2) || ($thread_level > 1)) {
 544                                 $result['children'][0]['comment_firstcollapsed'] = true;
 545                                 $result['children'][0]['num_comments'] = DI::l10n()->tt('%d comment', '%d comments', $total_children);
 546                                 $result['children'][0]['show_text'] = DI::l10n()->t('Show more');
 547                                 $result['children'][0]['hide_text'] = DI::l10n()->t('Show fewer');
 548                                 if ($thread_level > 1) {
 549                                         $result['children'][$nb_children - 1]['comment_lastcollapsed'] = true;
 550                                 } else {
 551                                         $result['children'][$nb_children - 3]['comment_lastcollapsed'] = true;
 552                                 }
 553                         }
 554                 }
 555
 556                 if ($this->isToplevel()) {
 557                         $result['total_comments_num'] = "$total_children";
 558                         $result['total_comments_text'] = DI::l10n()->tt('comment', 'comments', $total_children);
 559                 }
 560
 561                 $result['private'] = $item['private'];
 562                 $result['toplevel'] = ($this->isToplevel() ? 'toplevel_item' : '');
 563
 564                 if ($this->isThreaded()) {
 565                         $result['flatten'] = false;
 566                         $result['threaded'] = true;
 567                 } else {
 568                         $result['flatten'] = true;
 569                         $result['threaded'] = false;
 570                 }
 571
 572                 return $result;
 573         }
 574
 575         /**
 576          * @return integer
 577          */
 578         public function getId()
 579         {
 580                 return $this->getDataValue('id');
 581         }
 582
 583         /**
 584          * @return boolean
 585          */
 586         public function isThreaded()
 587         {
 588                 return $this->threaded;
 589         }
 590
 591         /**
 592          * Add a child item
 593          *
 594          * @param Post $item The child item to add
 595          *
 596          * @return mixed
 597          * @throws \Exception
 598          */
 599         public function addChild(Post $item)
 600         {
 601                 $item_id = $item->getId();
 602                 if (!$item_id) {
 603                         Logger::log('[ERROR] Post::addChild : Item has no ID!!', Logger::DEBUG);
 604                         return false;
 605                 } elseif ($this->getChild($item->getId())) {
 606                         Logger::log('[WARN] Post::addChild : Item already exists (' . $item->getId() . ').', Logger::DEBUG);
 607                         return false;
 608                 }
 609
 610                 $activity = DI::activity();
 611
 612                 /*
 613                  * Only add what will be displayed
 614                  */
 615                 if ($item->getDataValue('network') === Protocol::MAIL && local_user() != $item->getDataValue('uid')) {
 616                         return false;
 617                 } elseif ($activity->match($item->getDataValue('verb'), Activity::LIKE) ||
 618                           $activity->match($item->getDataValue('verb'), Activity::DISLIKE)) {
 619                         return false;
 620                 }
 621
 622                 $item->setParent($this);
 623                 $this->children[] = $item;
 624
 625                 return end($this->children);
 626         }
 627
 628         /**
 629          * Get a child by its ID
 630          *
 631          * @param integer $id The child id
 632          *
 633          * @return mixed
 634          */
 635         public function getChild($id)
 636         {
 637                 foreach ($this->getChildren() as $child) {
 638                         if ($child->getId() == $id) {
 639                                 return $child;
 640                         }
 641                 }
 642
 643                 return null;
 644         }
 645
 646         /**
 647          * Get all our children
 648          *
 649          * @return Post[]
 650          */
 651         public function getChildren()
 652         {
 653                 return $this->children;
 654         }
 655
 656         /**
 657          * Set our parent
 658          *
 659          * @param Post $item The item to set as parent
 660          *
 661          * @return void
 662          */
 663         protected function setParent(Post $item)
 664         {
 665                 $parent = $this->getParent();
 666                 if ($parent) {
 667                         $parent->removeChild($this);
 668                 }
 669
 670                 $this->parent = $item;
 671                 $this->setThread($item->getThread());
 672         }
 673
 674         /**
 675          * Remove our parent
 676          *
 677          * @return void
 678          */
 679         protected function removeParent()
 680         {
 681                 $this->parent = null;
 682                 $this->thread = null;
 683         }
 684
 685         /**
 686          * Remove a child
 687          *
 688          * @param Post $item The child to be removed
 689          *
 690          * @return boolean Success or failure
 691          * @throws \Exception
 692          */
 693         public function removeChild(Post $item)
 694         {
 695                 $id = $item->getId();
 696                 foreach ($this->getChildren() as $key => $child) {
 697                         if ($child->getId() == $id) {
 698                                 $child->removeParent();
 699                                 unset($this->children[$key]);
 700                                 // Reindex the array, in order to make sure there won't be any trouble on loops using count()
 701                                 $this->children = array_values($this->children);
 702                                 return true;
 703                         }
 704                 }
 705                 Logger::log('[WARN] Item::removeChild : Item is not a child (' . $id . ').', Logger::DEBUG);
 706                 return false;
 707         }
 708
 709         /**
 710          * Get parent item
 711          *
 712          * @return object
 713          */
 714         protected function getParent()
 715         {
 716                 return $this->parent;
 717         }
 718
 719         /**
 720          * Set conversation thread
 721          *
 722          * @param Thread $thread
 723          *
 724          * @return void
 725          */
 726         public function setThread(Thread $thread = null)
 727         {
 728                 $this->thread = $thread;
 729
 730                 // Set it on our children too
 731                 foreach ($this->getChildren() as $child) {
 732                         $child->setThread($thread);
 733                 }
 734         }
 735
 736         /**
 737          * Get conversation
 738          *
 739          * @return Thread
 740          */
 741         public function getThread()
 742         {
 743                 return $this->thread;
 744         }
 745
 746         /**
 747          * Get raw data
 748          *
 749          * We shouldn't need this
 750          *
 751          * @return array
 752          */
 753         public function getData()
 754         {
 755                 return $this->data;
 756         }
 757
 758         /**
 759          * Get a data value
 760          *
 761          * @param string $name key
 762          *
 763          * @return mixed value on success
 764          *               false on failure
 765          */
 766         public function getDataValue($name)
 767         {
 768                 if (!isset($this->data[$name])) {
 769                         // Logger::log('[ERROR] Item::getDataValue : Item has no value name "'. $name .'".', Logger::DEBUG);
 770                         return false;
 771                 }
 772
 773                 return $this->data[$name];
 774         }
 775
 776         /**
 777          * Set template
 778          *
 779          * @param string $name template name
 780          * @return bool
 781          * @throws \Exception
 782          */
 783         private function setTemplate($name)
 784         {
 785                 if (empty($this->available_templates[$name])) {
 786                         Logger::log('[ERROR] Item::setTemplate : Template not available ("' . $name . '").', Logger::DEBUG);
 787                         return false;
 788                 }
 789
 790                 $this->template = $this->available_templates[$name];
 791
 792                 return true;
 793         }
 794
 795         /**
 796          * Get template
 797          *
 798          * @return object
 799          */
 800         private function getTemplate()
 801         {
 802                 return $this->template;
 803         }
 804
 805         /**
 806          * Check if this is a toplevel post
 807          *
 808          * @return boolean
 809          */
 810         private function isToplevel()
 811         {
 812                 return $this->toplevel;
 813         }
 814
 815         /**
 816          * Check if this is writable
 817          *
 818          * @return boolean
 819          */
 820         private function isWritable()
 821         {
 822                 $conv = $this->getThread();
 823
 824                 if ($conv) {
 825                         // This will allow us to comment on wall-to-wall items owned by our friends
 826                         // and community forums even if somebody else wrote the post.
 827                         // bug #517 - this fixes for conversation owner
 828                         if ($conv->getMode() == 'profile' && $conv->getProfileOwner() == local_user()) {
 829                                 return true;
 830                         }
 831
 832                         // this fixes for visitors
 833                         return ($this->writable || ($this->isVisiting() && $conv->getMode() == 'profile'));
 834                 }
 835                 return $this->writable;
 836         }
 837
 838         /**
 839          * Count the total of our descendants
 840          *
 841          * @return integer
 842          */
 843         private function countDescendants()
 844         {
 845                 $children = $this->getChildren();
 846                 $total = count($children);
 847                 if ($total > 0) {
 848                         foreach ($children as $child) {
 849                                 $total += $child->countDescendants();
 850                         }
 851                 }
 852
 853                 return $total;
 854         }
 855
 856         /**
 857          * Get the template for the comment box
 858          *
 859          * @return string
 860          */
 861         private function getCommentBoxTemplate()
 862         {
 863                 return $this->comment_box_template;
 864         }
 865
 866         /**
 867          * Get default text for the comment box
 868          *
 869          * @return string
 870          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 871          */
 872         private function getDefaultText()
 873         {
 874                 $a = DI::app();
 875
 876                 if (!local_user()) {
 877                         return '';
 878                 }
 879
 880                 $owner = User::getOwnerDataById($a->user['uid']);
 881
 882                 if (!Feature::isEnabled(local_user(), 'explicit_mentions')) {
 883                         return '';
 884                 }
 885
 886                 $item = PostModel::selectFirst(['author-addr', 'uri-id'], ['id' => $this->getId()]);
 887                 if (!DBA::isResult($item) || empty($item['author-addr'])) {
 888                         // Should not happen
 889                         return '';
 890                 }
 891
 892                 if ($item['author-addr'] != $owner['addr']) {
 893                         $text = '@' . $item['author-addr'] . ' ';
 894                 } else {
 895                         $text = '';
 896                 }
 897
 898                 $terms = Tag::getByURIId($item['uri-id'], [Tag::MENTION, Tag::IMPLICIT_MENTION, Tag::EXCLUSIVE_MENTION]);
 899                 foreach ($terms as $term) {
 900                         $profile = Contact::getByURL($term['url'], false, ['addr', 'contact-type']);
 901                         if (!empty($profile['addr']) && ((($profile['contact-type'] ?? '') ?: Contact::TYPE_UNKNOWN) != Contact::TYPE_COMMUNITY) &&
 902                                 ($profile['addr'] != $owner['addr']) && !strstr($text, $profile['addr'])) {
 903                                 $text .= '@' . $profile['addr'] . ' ';
 904                         }
 905                 }
 906
 907                 return $text;
 908         }
 909
 910         /**
 911          * Get the comment box
 912          *
 913          * @param string $indent Indent value
 914          *
 915          * @return mixed The comment box string (empty if no comment box)
 916          *               false on failure
 917          * @throws \Exception
 918          */
 919         private function getCommentBox($indent)
 920         {
 921                 $a = DI::app();
 922
 923                 $comment_box = '';
 924                 $conv = $this->getThread();
 925
 926                 if ($conv->isWritable() && $this->isWritable()) {
 927                         /*
 928                          * Hmmm, code depending on the presence of a particular addon?
 929                          * This should be better if done by a hook
 930                          */
 931                         $qcomment = null;
 932                         if (Addon::isEnabled('qcomment')) {
 933                                 $words = DI::pConfig()->get(local_user(), 'qcomment', 'words');
 934                                 $qcomment = $words ? explode("\n", $words) : [];
 935                         }
 936
 937                         // Fetch the user id from the parent when the owner user is empty
 938                         $uid = $conv->getProfileOwner();
 939                         $parent_uid = $this->getDataValue('uid');
 940
 941                         $default_text = $this->getDefaultText();
 942
 943                         if (!is_null($parent_uid) && ($uid != $parent_uid)) {
 944                                 $uid = $parent_uid;
 945                         }
 946
 947                         $template = Renderer::getMarkupTemplate($this->getCommentBoxTemplate());
 948                         $comment_box = Renderer::replaceMacros($template, [
 949                                 '$return_path' => DI::args()->getQueryString(),
 950                                 '$threaded'    => $this->isThreaded(),
 951                                 '$jsreload'    => '',
 952                                 '$wall'        => ($conv->getMode() === 'profile'),
 953                                 '$id'          => $this->getId(),
 954                                 '$parent'      => $this->getId(),
 955                                 '$qcomment'    => $qcomment,
 956                                 '$default'     => $default_text,
 957                                 '$profile_uid' => $uid,
 958                                 '$mylink'      => DI::baseUrl()->remove($a->contact['url']),
 959                                 '$mytitle'     => DI::l10n()->t('This is you'),
 960                                 '$myphoto'     => DI::baseUrl()->remove($a->contact['thumb']),
 961                                 '$comment'     => DI::l10n()->t('Comment'),
 962                                 '$submit'      => DI::l10n()->t('Submit'),
 963                                 '$loading'     => DI::l10n()->t('Loading...'),
 964                                 '$edbold'      => DI::l10n()->t('Bold'),
 965                                 '$editalic'    => DI::l10n()->t('Italic'),
 966                                 '$eduline'     => DI::l10n()->t('Underline'),
 967                                 '$edquote'     => DI::l10n()->t('Quote'),
 968                                 '$edcode'      => DI::l10n()->t('Code'),
 969                                 '$edimg'       => DI::l10n()->t('Image'),
 970                                 '$edurl'       => DI::l10n()->t('Link'),
 971                                 '$edattach'    => DI::l10n()->t('Link or Media'),
 972                                 '$prompttext'  => DI::l10n()->t('Please enter a image/video/audio/webpage URL:'),
 973                                 '$preview'     => DI::l10n()->t('Preview'),
 974                                 '$indent'      => $indent,
 975                                 '$sourceapp'   => DI::l10n()->t($a->sourcename),
 976                                 '$rand_num'    => Crypto::randomDigits(12)
 977                         ]);
 978                 }
 979
 980                 return $comment_box;
 981         }
 982
 983         /**
 984          * @return string
 985          */
 986         private function getRedirectUrl()
 987         {
 988                 return $this->redirect_url;
 989         }
 990
 991         /**
 992          * Check if we are a wall to wall item and set the relevant properties
 993          *
 994          * @return void
 995          * @throws \Exception
 996          */
 997         protected function checkWallToWall()
 998         {
 999                 $a = DI::app();
1000                 $conv = $this->getThread();
1001                 $this->wall_to_wall = false;
1002
1003                 if ($this->isToplevel()) {
1004                         if ($conv->getMode() !== 'profile') {
1005                                 if ($this->getDataValue('wall') && !$this->getDataValue('self') && !empty($a->page_contact)) {
1006                                         // On the network page, I am the owner. On the display page it will be the profile owner.
1007                                         // This will have been stored in $a->page_contact by our calling page.
1008                                         // Put this person as the wall owner of the wall-to-wall notice.
1009
1010                                         $this->owner_url = Contact::magicLink($a->page_contact['url']);
1011                                         $this->owner_photo = $a->page_contact['thumb'];
1012                                         $this->owner_name = $a->page_contact['name'];
1013                                         $this->wall_to_wall = true;
1014                                 } elseif ($this->getDataValue('owner-link')) {
1015                                         $owner_linkmatch = (($this->getDataValue('owner-link')) && Strings::compareLink($this->getDataValue('owner-link'), $this->getDataValue('author-link')));
1016                                         $alias_linkmatch = (($this->getDataValue('alias')) && Strings::compareLink($this->getDataValue('alias'), $this->getDataValue('author-link')));
1017                                         $owner_namematch = (($this->getDataValue('owner-name')) && $this->getDataValue('owner-name') == $this->getDataValue('author-name'));
1018
1019                                         if (!$owner_linkmatch && !$alias_linkmatch && !$owner_namematch) {
1020                                                 // The author url doesn't match the owner (typically the contact)
1021                                                 // and also doesn't match the contact alias.
1022                                                 // The name match is a hack to catch several weird cases where URLs are
1023                                                 // all over the park. It can be tricked, but this prevents you from
1024                                                 // seeing "Bob Smith to Bob Smith via Wall-to-wall" and you know darn
1025                                                 // well that it's the same Bob Smith.
1026                                                 // But it could be somebody else with the same name. It just isn't highly likely.
1027
1028
1029                                                 $this->owner_photo = $this->getDataValue('owner-avatar');
1030                                                 $this->owner_name = $this->getDataValue('owner-name');
1031                                                 $this->wall_to_wall = true;
1032
1033                                                 $owner = ['uid' => 0, 'id' => $this->getDataValue('owner-id'),
1034                                                         'network' => $this->getDataValue('owner-network'),
1035                                                         'url' => $this->getDataValue('owner-link')];
1036                                                 $this->owner_url = Contact::magicLinkByContact($owner);
1037                                         }
1038                                 }
1039                         }
1040                 }
1041
1042                 if (!$this->wall_to_wall) {
1043                         $this->setTemplate('wall');
1044                         $this->owner_url = '';
1045                         $this->owner_photo = '';
1046                         $this->owner_name = '';
1047                 }
1048         }
1049
1050         /**
1051          * @return boolean
1052          */
1053         private function isWallToWall()
1054         {
1055                 return $this->wall_to_wall;
1056         }
1057
1058         /**
1059          * @return string
1060          */
1061         private function getOwnerUrl()
1062         {
1063                 return $this->owner_url;
1064         }
1065
1066         /**
1067          * @return string
1068          */
1069         private function getOwnerName()
1070         {
1071                 return $this->owner_name;
1072         }
1073
1074         /**
1075          * @return boolean
1076          */
1077         private function isVisiting()
1078         {
1079                 return $this->visiting;
1080         }
1081 }