src/Object/Post.php

   1 <?php
   2 /**
   3  * @file src/Object/Post.php
   4  */
   5 namespace Friendica\Object;
   6
   7 use Friendica\BaseObject;
   8 use Friendica\Content\ContactSelector;
   9 use Friendica\Content\Feature;
  10 use Friendica\Content\Item as ContentItem;
  11 use Friendica\Core\Addon;
  12 use Friendica\Core\Config;
  13 use Friendica\Core\Hook;
  14 use Friendica\Core\L10n;
  15 use Friendica\Core\Logger;
  16 use Friendica\Core\PConfig;
  17 use Friendica\Core\Protocol;
  18 use Friendica\Core\Renderer;
  19 use Friendica\Core\Session;
  20 use Friendica\Database\DBA;
  21 use Friendica\Model\Contact;
  22 use Friendica\Model\Item;
  23 use Friendica\Model\Term;
  24 use Friendica\Model\User;
  25 use Friendica\Protocol\Activity;
  26 use Friendica\Util\Crypto;
  27 use Friendica\Util\DateTimeFormat;
  28 use Friendica\Util\Proxy as ProxyUtils;
  29 use Friendica\Util\Strings;
  30 use Friendica\Util\Temporal;
  31
  32 /**
  33  * An item
  34  */
  35 class Post extends BaseObject
  36 {
  37         private $data = [];
  38         private $template = null;
  39         private $available_templates = [
  40                 'wall' => 'wall_thread.tpl',
  41                 'wall2wall' => 'wallwall_thread.tpl'
  42         ];
  43         private $comment_box_template = 'comment_item.tpl';
  44         private $toplevel = false;
  45         private $writable = false;
  46         /**
  47          * @var Post[]
  48          */
  49         private $children = [];
  50         private $parent = null;
  51
  52         /**
  53          * @var Thread
  54          */
  55         private $thread = null;
  56         private $redirect_url = null;
  57         private $owner_url = '';
  58         private $owner_photo = '';
  59         private $owner_name = '';
  60         private $wall_to_wall = false;
  61         private $threaded = false;
  62         private $visiting = false;
  63
  64         /**
  65          * Constructor
  66          *
  67          * @param array $data data array
  68          * @throws \Exception
  69          */
  70         public function __construct(array $data)
  71         {
  72                 $this->data = $data;
  73                 $this->setTemplate('wall');
  74                 $this->toplevel = $this->getId() == $this->getDataValue('parent');
  75
  76                 if (!empty(Session::getUserIDForVisitorContactID($this->getDataValue('contact-id')))) {
  77                         $this->visiting = true;
  78                 }
  79
  80                 $this->writable = $this->getDataValue('writable') || $this->getDataValue('self');
  81                 $author = ['uid' => 0, 'id' => $this->getDataValue('author-id'),
  82                         'network' => $this->getDataValue('author-network'),
  83                         'url' => $this->getDataValue('author-link')];
  84                 $this->redirect_url = Contact::magicLinkByContact($author);
  85                 if (!$this->isToplevel()) {
  86                         $this->threaded = true;
  87                 }
  88
  89                 // Prepare the children
  90                 if (!empty($data['children'])) {
  91                         foreach ($data['children'] as $item) {
  92                                 // Only add will be displayed
  93                                 if ($item['network'] === Protocol::MAIL && local_user() != $item['uid']) {
  94                                         continue;
  95                                 } elseif (!visible_activity($item)) {
  96                                         continue;
  97                                 }
  98
  99                                 // You can always comment on Diaspora and OStatus items
 100                                 if (in_array($item['network'], [Protocol::OSTATUS, Protocol::DIASPORA]) && (local_user() == $item['uid'])) {
 101                                         $item['writable'] = true;
 102                                 }
 103
 104                                 $item['pagedrop'] = $data['pagedrop'];
 105                                 $child = new Post($item);
 106                                 $this->addChild($child);
 107                         }
 108                 }
 109         }
 110
 111         /**
 112          * Get data in a form usable by a conversation template
 113          *
 114          * @param array   $conv_responses conversation responses
 115          * @param integer $thread_level   default = 1
 116          *
 117          * @return mixed The data requested on success
 118          *               false on failure
 119          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 120          * @throws \ImagickException
 121          */
 122         public function getTemplateData(array $conv_responses, $thread_level = 1)
 123         {
 124                 $a = self::getApp();
 125
 126                 $item = $this->getData();
 127                 $edited = false;
 128                 // If the time between "created" and "edited" differs we add
 129                 // a notice that the post was edited.
 130                 // Note: In some networks reshared items seem to have (sometimes) a difference
 131                 // between creation time and edit time of a second. Thats why we add the notice
 132                 // only if the difference is more than 1 second.
 133                 if (strtotime($item['edited']) - strtotime($item['created']) > 1) {
 134                         $edited = [
 135                                 'label'    => L10n::t('This entry was edited'),
 136                                 'date'     => DateTimeFormat::local($item['edited'], 'r'),
 137                                 'relative' => Temporal::getRelativeDate($item['edited'])
 138                         ];
 139                 }
 140                 $sparkle = '';
 141                 $buttons = '';
 142                 $dropping = false;
 143                 $pin = false;
 144                 $star = false;
 145                 $ignore = false;
 146                 $ispinned = "unpinned";
 147                 $isstarred = "unstarred";
 148                 $indent = '';
 149                 $shiny = '';
 150                 $osparkle = '';
 151                 $total_children = $this->countDescendants();
 152
 153                 $conv = $this->getThread();
 154
 155                 $lock = ((($item['private'] == 1) || (($item['uid'] == local_user()) && (strlen($item['allow_cid']) || strlen($item['allow_gid'])
 156                         || strlen($item['deny_cid']) || strlen($item['deny_gid']))))
 157                         ? L10n::t('Private Message')
 158                         : false);
 159
 160                 $shareable = in_array($conv->getProfileOwner(), [0, local_user()]) && $item['private'] != 1;
 161
 162                 $edpost = false;
 163
 164                 if (local_user()) {
 165                         if (Strings::compareLink($a->contact['url'], $item['author-link'])) {
 166                                 if ($item["event-id"] != 0) {
 167                                         $edpost = ["events/event/" . $item['event-id'], L10n::t("Edit")];
 168                                 } else {
 169                                         $edpost = ["editpost/" . $item['id'], L10n::t("Edit")];
 170                                 }
 171                         }
 172                         $dropping = in_array($item['uid'], [0, local_user()]);
 173                 }
 174
 175                 // Editing on items of not subscribed users isn't currently possible
 176                 // There are some issues on editing that prevent this.
 177                 // But also it is an issue of the supported protocols that doesn't allow editing at all.
 178                 if ($item['uid'] == 0) {
 179                         $edpost = false;
 180                 }
 181
 182                 if (($this->getDataValue('uid') == local_user()) || $this->isVisiting()) {
 183                         $dropping = true;
 184                 }
 185
 186                 $origin = $item['origin'];
 187
 188                 if (!$origin) {
 189                         /// @todo This shouldn't be done as query here, but better during the data creation.
 190                         // it is now done here, since during the RC phase we shouldn't make to intense changes.
 191                         $parent = Item::selectFirst(['origin'], ['id' => $item['parent']]);
 192                         if (DBA::isResult($parent)) {
 193                                 $origin = $parent['origin'];
 194                         }
 195                 }
 196
 197                 if ($origin && ($item['id'] != $item['parent']) && ($item['network'] == Protocol::ACTIVITYPUB)) {
 198                         // ActivityPub doesn't allow removal of remote comments
 199                         $delete = L10n::t('Delete locally');
 200                 } else {
 201                         // Showing the one or the other text, depending upon if we can only hide it or really delete it.
 202                         $delete = $origin ? L10n::t('Delete globally') : L10n::t('Remove locally');
 203                 }
 204
 205                 $drop = [
 206                         'dropping' => $dropping,
 207                         'pagedrop' => $item['pagedrop'],
 208                         'select'   => L10n::t('Select'),
 209                         'delete'   => $delete,
 210                 ];
 211
 212                 if (!local_user()) {
 213                         $drop = false;
 214                 }
 215
 216                 $filer = (($conv->getProfileOwner() == local_user() && ($item['uid'] != 0)) ? L10n::t("save to folder") : false);
 217
 218                 $profile_name = $item['author-name'];
 219                 if (!empty($item['author-link']) && empty($item['author-name'])) {
 220                         $profile_name = $item['author-link'];
 221                 }
 222
 223                 $author = ['uid' => 0, 'id' => $item['author-id'],
 224                         'network' => $item['author-network'], 'url' => $item['author-link']];
 225
 226                 if (Session::isAuthenticated()) {
 227                         $profile_link = Contact::magicLinkByContact($author);
 228                 } else {
 229                         $profile_link = $item['author-link'];
 230                 }
 231
 232                 if (strpos($profile_link, 'redir/') === 0) {
 233                         $sparkle = ' sparkle';
 234                 }
 235
 236                 $locate = ['location' => $item['location'], 'coord' => $item['coord'], 'html' => ''];
 237                 Hook::callAll('render_location', $locate);
 238                 $location = ((strlen($locate['html'])) ? $locate['html'] : render_location_dummy($locate));
 239
 240                 // process action responses - e.g. like/dislike/attend/agree/whatever
 241                 $response_verbs = ['like', 'dislike', 'announce'];
 242
 243                 $isevent = false;
 244                 $attend = [];
 245                 if ($item['object-type'] === Activity\ObjectType::EVENT) {
 246                         $response_verbs[] = 'attendyes';
 247                         $response_verbs[] = 'attendno';
 248                         $response_verbs[] = 'attendmaybe';
 249                         if ($conv->isWritable()) {
 250                                 $isevent = true;
 251                                 $attend = [L10n::t('I will attend'), L10n::t('I will not attend'), L10n::t('I might attend')];
 252                         }
 253                 }
 254
 255                 $responses = get_responses($conv_responses, $response_verbs, $item, $this);
 256
 257                 foreach ($response_verbs as $value => $verbs) {
 258                         $responses[$verbs]['output'] = !empty($conv_responses[$verbs][$item['uri']]) ? format_like($conv_responses[$verbs][$item['uri']], $conv_responses[$verbs][$item['uri'] . '-l'], $verbs, $item['uri']) : '';
 259                 }
 260
 261                 /*
 262                  * We should avoid doing this all the time, but it depends on the conversation mode
 263                  * And the conv mode may change when we change the conv, or it changes its mode
 264                  * Maybe we should establish a way to be notified about conversation changes
 265                  */
 266                 $this->checkWallToWall();
 267
 268                 if ($this->isWallToWall() && ($this->getOwnerUrl() == $this->getRedirectUrl())) {
 269                         $osparkle = ' sparkle';
 270                 }
 271
 272                 $tagger = '';
 273
 274                 if ($this->isToplevel()) {
 275                         if(local_user()) {
 276                                 $thread = Item::selectFirstThreadForUser(local_user(), ['ignored'], ['iid' => $item['id']]);
 277                                 if (DBA::isResult($thread)) {
 278                                         $ignore = [
 279                                                 'do'        => L10n::t("ignore thread"),
 280                                                 'undo'      => L10n::t("unignore thread"),
 281                                                 'toggle'    => L10n::t("toggle ignore status"),
 282                                                 'classdo'   => $thread['ignored'] ? "hidden" : "",
 283                                                 'classundo' => $thread['ignored'] ? "" : "hidden",
 284                                                 'ignored'   => L10n::t('ignored'),
 285                                         ];
 286                                 }
 287
 288                                 if ($conv->getProfileOwner() == local_user() && ($item['uid'] != 0)) {
 289                                         if ($origin) {
 290                                                 $ispinned = ($item['pinned'] ? 'pinned' : 'unpinned');
 291
 292                                                 $pin = [
 293                                                         'do'        => L10n::t('pin'),
 294                                                         'undo'      => L10n::t('unpin'),
 295                                                         'toggle'    => L10n::t('toggle pin status'),
 296                                                         'classdo'   => $item['pinned'] ? 'hidden' : '',
 297                                                         'classundo' => $item['pinned'] ? '' : 'hidden',
 298                                                         'pinned'   => L10n::t('pinned'),
 299                                                 ];
 300                                         }
 301
 302                                         $isstarred = (($item['starred']) ? "starred" : "unstarred");
 303
 304                                         $star = [
 305                                                 'do'        => L10n::t("add star"),
 306                                                 'undo'      => L10n::t("remove star"),
 307                                                 'toggle'    => L10n::t("toggle star status"),
 308                                                 'classdo'   => $item['starred'] ? "hidden" : "",
 309                                                 'classundo' => $item['starred'] ? "" : "hidden",
 310                                                 'starred'   => L10n::t('starred'),
 311                                         ];
 312
 313                                         $tagger = [
 314                                                 'add'   => L10n::t("add tag"),
 315                                                 'class' => "",
 316                                         ];
 317                                 }
 318                         }
 319                 } else {
 320                         $indent = 'comment';
 321                 }
 322
 323                 if ($conv->isWritable()) {
 324                         $buttons = [
 325                                 'like'    => [L10n::t("I like this \x28toggle\x29"), L10n::t("like")],
 326                                 'dislike' => [L10n::t("I don't like this \x28toggle\x29"), L10n::t("dislike")],
 327                         ];
 328                         if ($shareable) {
 329                                 $buttons['share'] = [L10n::t('Share this'), L10n::t('share')];
 330                         }
 331                 }
 332
 333                 $comment = $this->getCommentBox($indent);
 334
 335                 if (strcmp(DateTimeFormat::utc($item['created']), DateTimeFormat::utc('now - 12 hours')) > 0) {
 336                         $shiny = 'shiny';
 337                 }
 338
 339                 localize_item($item);
 340
 341                 $body = Item::prepareBody($item, true);
 342
 343                 /** @var ContentItem $contItem */
 344                 $contItem = self::getClass(ContentItem::class);
 345
 346                 list($categories, $folders) = $contItem->determineCategoriesTerms($item);
 347
 348                 $body_e       = $body;
 349                 $text_e       = strip_tags($body);
 350                 $name_e       = $profile_name;
 351
 352                 if (!empty($item['content-warning']) && PConfig::get(local_user(), 'system', 'disable_cw', false)) {
 353                         $title_e = ucfirst($item['content-warning']);
 354                 } else {
 355                         $title_e = $item['title'];
 356                 }
 357
 358                 $location_e   = $location;
 359                 $owner_name_e = $this->getOwnerName();
 360
 361                 // Disable features that aren't available in several networks
 362                 if (!in_array($item["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA]) && isset($buttons["dislike"])) {
 363                         unset($buttons["dislike"]);
 364                         $isevent = false;
 365                         $tagger = '';
 366                 }
 367
 368                 if (($item["network"] == Protocol::FEED) && isset($buttons["like"])) {
 369                         unset($buttons["like"]);
 370                 }
 371
 372                 if (($item["network"] == Protocol::MAIL) && isset($buttons["like"])) {
 373                         unset($buttons["like"]);
 374                 }
 375
 376                 $tags = Term::populateTagsFromItem($item);
 377
 378                 $tmp_item = [
 379                         'template'        => $this->getTemplate(),
 380                         'type'            => implode("", array_slice(explode("/", $item['verb']), -1)),
 381                         'suppress_tags'   => Config::get('system', 'suppress_tags'),
 382                         'tags'            => $tags['tags'],
 383                         'hashtags'        => $tags['hashtags'],
 384                         'mentions'        => $tags['mentions'],
 385                         'implicit_mentions' => $tags['implicit_mentions'],
 386                         'txt_cats'        => L10n::t('Categories:'),
 387                         'txt_folders'     => L10n::t('Filed under:'),
 388                         'has_cats'        => ((count($categories)) ? 'true' : ''),
 389                         'has_folders'     => ((count($folders)) ? 'true' : ''),
 390                         'categories'      => $categories,
 391                         'folders'         => $folders,
 392                         'body'            => $body_e,
 393                         'text'            => $text_e,
 394                         'id'              => $this->getId(),
 395                         'guid'            => urlencode($item['guid']),
 396                         'isevent'         => $isevent,
 397                         'attend'          => $attend,
 398                         'linktitle'       => L10n::t('View %s\'s profile @ %s', $profile_name, $item['author-link']),
 399                         'olinktitle'      => L10n::t('View %s\'s profile @ %s', $this->getOwnerName(), $item['owner-link']),
 400                         'to'              => L10n::t('to'),
 401                         'via'             => L10n::t('via'),
 402                         'wall'            => L10n::t('Wall-to-Wall'),
 403                         'vwall'           => L10n::t('via Wall-To-Wall:'),
 404                         'profile_url'     => $profile_link,
 405                         'item_photo_menu' => item_photo_menu($item),
 406                         'name'            => $name_e,
 407                         'thumb'           => $a->removeBaseURL(ProxyUtils::proxifyUrl($item['author-avatar'], false, ProxyUtils::SIZE_THUMB)),
 408                         'osparkle'        => $osparkle,
 409                         'sparkle'         => $sparkle,
 410                         'title'           => $title_e,
 411                         'localtime'       => DateTimeFormat::local($item['created'], 'r'),
 412                         'ago'             => $item['app'] ? L10n::t('%s from %s', Temporal::getRelativeDate($item['created']), $item['app']) : Temporal::getRelativeDate($item['created']),
 413                         'app'             => $item['app'],
 414                         'created'         => Temporal::getRelativeDate($item['created']),
 415                         'lock'            => $lock,
 416                         'location'        => $location_e,
 417                         'indent'          => $indent,
 418                         'shiny'           => $shiny,
 419                         'owner_self'      => $item['author-link'] == Session::get('my_url'),
 420                         'owner_url'       => $this->getOwnerUrl(),
 421                         'owner_photo'     => $a->removeBaseURL(ProxyUtils::proxifyUrl($item['owner-avatar'], false, ProxyUtils::SIZE_THUMB)),
 422                         'owner_name'      => $owner_name_e,
 423                         'plink'           => Item::getPlink($item),
 424                         'edpost'          => $edpost,
 425                         'ispinned'        => $ispinned,
 426                         'pin'             => $pin,
 427                         'isstarred'       => $isstarred,
 428                         'star'            => $star,
 429                         'ignore'          => $ignore,
 430                         'tagger'          => $tagger,
 431                         'filer'           => $filer,
 432                         'drop'            => $drop,
 433                         'vote'            => $buttons,
 434                         'like'            => $responses['like']['output'],
 435                         'dislike'         => $responses['dislike']['output'],
 436                         'responses'       => $responses,
 437                         'switchcomment'   => L10n::t('Comment'),
 438                         'reply_label'     => L10n::t('Reply to %s', $name_e),
 439                         'comment'         => $comment,
 440                         'previewing'      => $conv->isPreview() ? ' preview ' : '',
 441                         'wait'            => L10n::t('Please wait'),
 442                         'thread_level'    => $thread_level,
 443                         'edited'          => $edited,
 444                         'network'         => $item["network"],
 445                         'network_name'    => ContactSelector::networkToName($item['network'], $item['author-link']),
 446                         'network_icon'    => ContactSelector::networkToIcon($item['network'], $item['author-link']),
 447                         'received'        => $item['received'],
 448                         'commented'       => $item['commented'],
 449                         'created_date'    => $item['created'],
 450                         'return'          => ($a->cmd) ? bin2hex($a->cmd) : '',
 451                         'delivery'        => [
 452                                 'queue_count'       => $item['delivery_queue_count'],
 453                                 'queue_done'        => $item['delivery_queue_done'] + $item['delivery_queue_failed'], /// @todo Possibly display it separately in the future
 454                                 'notifier_pending'  => L10n::t('Notifier task is pending'),
 455                                 'delivery_pending'  => L10n::t('Delivery to remote servers is pending'),
 456                                 'delivery_underway' => L10n::t('Delivery to remote servers is underway'),
 457                                 'delivery_almost'   => L10n::t('Delivery to remote servers is mostly done'),
 458                                 'delivery_done'     => L10n::t('Delivery to remote servers is done'),
 459                         ],
 460                 ];
 461
 462                 $arr = ['item' => $item, 'output' => $tmp_item];
 463                 Hook::callAll('display_item', $arr);
 464
 465                 $result = $arr['output'];
 466
 467                 $result['children'] = [];
 468                 $children = $this->getChildren();
 469                 $nb_children = count($children);
 470                 if ($nb_children > 0) {
 471                         foreach ($children as $child) {
 472                                 $result['children'][] = $child->getTemplateData($conv_responses, $thread_level + 1);
 473                         }
 474
 475                         // Collapse
 476                         if (($nb_children > 2) || ($thread_level > 1)) {
 477                                 $result['children'][0]['comment_firstcollapsed'] = true;
 478                                 $result['children'][0]['num_comments'] = L10n::tt('%d comment', '%d comments', $total_children);
 479                                 $result['children'][0]['show_text'] = L10n::t('Show more');
 480                                 $result['children'][0]['hide_text'] = L10n::t('Show fewer');
 481                                 if ($thread_level > 1) {
 482                                         $result['children'][$nb_children - 1]['comment_lastcollapsed'] = true;
 483                                 } else {
 484                                         $result['children'][$nb_children - 3]['comment_lastcollapsed'] = true;
 485                                 }
 486                         }
 487                 }
 488
 489                 if ($this->isToplevel()) {
 490                         $result['total_comments_num'] = "$total_children";
 491                         $result['total_comments_text'] = L10n::tt('comment', 'comments', $total_children);
 492                 }
 493
 494                 $result['private'] = $item['private'];
 495                 $result['toplevel'] = ($this->isToplevel() ? 'toplevel_item' : '');
 496
 497                 if ($this->isThreaded()) {
 498                         $result['flatten'] = false;
 499                         $result['threaded'] = true;
 500                 } else {
 501                         $result['flatten'] = true;
 502                         $result['threaded'] = false;
 503                 }
 504
 505                 return $result;
 506         }
 507
 508         /**
 509          * @return integer
 510          */
 511         public function getId()
 512         {
 513                 return $this->getDataValue('id');
 514         }
 515
 516         /**
 517          * @return boolean
 518          */
 519         public function isThreaded()
 520         {
 521                 return $this->threaded;
 522         }
 523
 524         /**
 525          * Add a child item
 526          *
 527          * @param Post $item The child item to add
 528          *
 529          * @return mixed
 530          * @throws \Exception
 531          */
 532         public function addChild(Post $item)
 533         {
 534                 $item_id = $item->getId();
 535                 if (!$item_id) {
 536                         Logger::log('[ERROR] Post::addChild : Item has no ID!!', Logger::DEBUG);
 537                         return false;
 538                 } elseif ($this->getChild($item->getId())) {
 539                         Logger::log('[WARN] Post::addChild : Item already exists (' . $item->getId() . ').', Logger::DEBUG);
 540                         return false;
 541                 }
 542
 543                 /** @var Activity $activity */
 544                 $activity = self::getClass(Activity::class);
 545
 546                 /*
 547                  * Only add what will be displayed
 548                  */
 549                 if ($item->getDataValue('network') === Protocol::MAIL && local_user() != $item->getDataValue('uid')) {
 550                         return false;
 551                 } elseif ($activity->match($item->getDataValue('verb'), Activity::LIKE) ||
 552                           $activity->match($item->getDataValue('verb'), Activity::DISLIKE)) {
 553                         return false;
 554                 }
 555
 556                 $item->setParent($this);
 557                 $this->children[] = $item;
 558
 559                 return end($this->children);
 560         }
 561
 562         /**
 563          * Get a child by its ID
 564          *
 565          * @param integer $id The child id
 566          *
 567          * @return mixed
 568          */
 569         public function getChild($id)
 570         {
 571                 foreach ($this->getChildren() as $child) {
 572                         if ($child->getId() == $id) {
 573                                 return $child;
 574                         }
 575                 }
 576
 577                 return null;
 578         }
 579
 580         /**
 581          * Get all our children
 582          *
 583          * @return Post[]
 584          */
 585         public function getChildren()
 586         {
 587                 return $this->children;
 588         }
 589
 590         /**
 591          * Set our parent
 592          *
 593          * @param Post $item The item to set as parent
 594          *
 595          * @return void
 596          */
 597         protected function setParent(Post $item)
 598         {
 599                 $parent = $this->getParent();
 600                 if ($parent) {
 601                         $parent->removeChild($this);
 602                 }
 603
 604                 $this->parent = $item;
 605                 $this->setThread($item->getThread());
 606         }
 607
 608         /**
 609          * Remove our parent
 610          *
 611          * @return void
 612          */
 613         protected function removeParent()
 614         {
 615                 $this->parent = null;
 616                 $this->thread = null;
 617         }
 618
 619         /**
 620          * Remove a child
 621          *
 622          * @param Post $item The child to be removed
 623          *
 624          * @return boolean Success or failure
 625          * @throws \Exception
 626          */
 627         public function removeChild(Post $item)
 628         {
 629                 $id = $item->getId();
 630                 foreach ($this->getChildren() as $key => $child) {
 631                         if ($child->getId() == $id) {
 632                                 $child->removeParent();
 633                                 unset($this->children[$key]);
 634                                 // Reindex the array, in order to make sure there won't be any trouble on loops using count()
 635                                 $this->children = array_values($this->children);
 636                                 return true;
 637                         }
 638                 }
 639                 Logger::log('[WARN] Item::removeChild : Item is not a child (' . $id . ').', Logger::DEBUG);
 640                 return false;
 641         }
 642
 643         /**
 644          * Get parent item
 645          *
 646          * @return object
 647          */
 648         protected function getParent()
 649         {
 650                 return $this->parent;
 651         }
 652
 653         /**
 654          * Set conversation thread
 655          *
 656          * @param Thread $thread
 657          *
 658          * @return void
 659          */
 660         public function setThread(Thread $thread = null)
 661         {
 662                 $this->thread = $thread;
 663
 664                 // Set it on our children too
 665                 foreach ($this->getChildren() as $child) {
 666                         $child->setThread($thread);
 667                 }
 668         }
 669
 670         /**
 671          * Get conversation
 672          *
 673          * @return Thread
 674          */
 675         public function getThread()
 676         {
 677                 return $this->thread;
 678         }
 679
 680         /**
 681          * Get raw data
 682          *
 683          * We shouldn't need this
 684          *
 685          * @return array
 686          */
 687         public function getData()
 688         {
 689                 return $this->data;
 690         }
 691
 692         /**
 693          * Get a data value
 694          *
 695          * @param string $name key
 696          *
 697          * @return mixed value on success
 698          *               false on failure
 699          */
 700         public function getDataValue($name)
 701         {
 702                 if (!isset($this->data[$name])) {
 703                         // Logger::log('[ERROR] Item::getDataValue : Item has no value name "'. $name .'".', Logger::DEBUG);
 704                         return false;
 705                 }
 706
 707                 return $this->data[$name];
 708         }
 709
 710         /**
 711          * Set template
 712          *
 713          * @param string $name template name
 714          * @return bool
 715          * @throws \Exception
 716          */
 717         private function setTemplate($name)
 718         {
 719                 if (empty($this->available_templates[$name])) {
 720                         Logger::log('[ERROR] Item::setTemplate : Template not available ("' . $name . '").', Logger::DEBUG);
 721                         return false;
 722                 }
 723
 724                 $this->template = $this->available_templates[$name];
 725
 726                 return true;
 727         }
 728
 729         /**
 730          * Get template
 731          *
 732          * @return object
 733          */
 734         private function getTemplate()
 735         {
 736                 return $this->template;
 737         }
 738
 739         /**
 740          * Check if this is a toplevel post
 741          *
 742          * @return boolean
 743          */
 744         private function isToplevel()
 745         {
 746                 return $this->toplevel;
 747         }
 748
 749         /**
 750          * Check if this is writable
 751          *
 752          * @return boolean
 753          */
 754         private function isWritable()
 755         {
 756                 $conv = $this->getThread();
 757
 758                 if ($conv) {
 759                         // This will allow us to comment on wall-to-wall items owned by our friends
 760                         // and community forums even if somebody else wrote the post.
 761                         // bug #517 - this fixes for conversation owner
 762                         if ($conv->getMode() == 'profile' && $conv->getProfileOwner() == local_user()) {
 763                                 return true;
 764                         }
 765
 766                         // this fixes for visitors
 767                         return ($this->writable || ($this->isVisiting() && $conv->getMode() == 'profile'));
 768                 }
 769                 return $this->writable;
 770         }
 771
 772         /**
 773          * Count the total of our descendants
 774          *
 775          * @return integer
 776          */
 777         private function countDescendants()
 778         {
 779                 $children = $this->getChildren();
 780                 $total = count($children);
 781                 if ($total > 0) {
 782                         foreach ($children as $child) {
 783                                 $total += $child->countDescendants();
 784                         }
 785                 }
 786
 787                 return $total;
 788         }
 789
 790         /**
 791          * Get the template for the comment box
 792          *
 793          * @return string
 794          */
 795         private function getCommentBoxTemplate()
 796         {
 797                 return $this->comment_box_template;
 798         }
 799
 800         /**
 801          * Get default text for the comment box
 802          *
 803          * @return string
 804          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 805          */
 806         private function getDefaultText()
 807         {
 808                 $a = self::getApp();
 809
 810                 if (!local_user()) {
 811                         return '';
 812                 }
 813
 814                 $owner = User::getOwnerDataById($a->user['uid']);
 815
 816                 if (!Feature::isEnabled(local_user(), 'explicit_mentions')) {
 817                         return '';
 818                 }
 819
 820                 $item = Item::selectFirst(['author-addr'], ['id' => $this->getId()]);
 821                 if (!DBA::isResult($item) || empty($item['author-addr'])) {
 822                         // Should not happen
 823                         return '';
 824                 }
 825
 826                 if ($item['author-addr'] != $owner['addr']) {
 827                         $text = '@' . $item['author-addr'] . ' ';
 828                 } else {
 829                         $text = '';
 830                 }
 831
 832                 $terms = Term::tagArrayFromItemId($this->getId(), [Term::MENTION, Term::IMPLICIT_MENTION]);
 833                 foreach ($terms as $term) {
 834                         $profile = Contact::getDetailsByURL($term['url']);
 835                         if (!empty($profile['addr']) && ((($profile['contact-type'] ?? '') ?: Contact::TYPE_UNKNOWN) != Contact::TYPE_COMMUNITY) &&
 836                                 ($profile['addr'] != $owner['addr']) && !strstr($text, $profile['addr'])) {
 837                                 $text .= '@' . $profile['addr'] . ' ';
 838                         }
 839                 }
 840
 841                 return $text;
 842         }
 843
 844         /**
 845          * Get the comment box
 846          *
 847          * @param string $indent Indent value
 848          *
 849          * @return mixed The comment box string (empty if no comment box)
 850          *               false on failure
 851          * @throws \Exception
 852          */
 853         private function getCommentBox($indent)
 854         {
 855                 $a = self::getApp();
 856
 857                 $comment_box = '';
 858                 $conv = $this->getThread();
 859                 $ww = '';
 860                 if (($conv->getMode() === 'network') && $this->isWallToWall()) {
 861                         $ww = 'ww';
 862                 }
 863
 864                 if ($conv->isWritable() && $this->isWritable()) {
 865                         $qcomment = null;
 866
 867                         /*
 868                          * Hmmm, code depending on the presence of a particular addon?
 869                          * This should be better if done by a hook
 870                          */
 871                         if (Addon::isEnabled('qcomment')) {
 872                                 $qc = ((local_user()) ? PConfig::get(local_user(), 'qcomment', 'words') : null);
 873                                 $qcomment = (($qc) ? explode("\n", $qc) : null);
 874                         }
 875
 876                         // Fetch the user id from the parent when the owner user is empty
 877                         $uid = $conv->getProfileOwner();
 878                         $parent_uid = $this->getDataValue('uid');
 879
 880                         $default_text = $this->getDefaultText();
 881
 882                         if (!is_null($parent_uid) && ($uid != $parent_uid)) {
 883                                 $uid = $parent_uid;
 884                         }
 885
 886                         $template = Renderer::getMarkupTemplate($this->getCommentBoxTemplate());
 887                         $comment_box = Renderer::replaceMacros($template, [
 888                                 '$return_path' => $a->query_string,
 889                                 '$threaded'    => $this->isThreaded(),
 890                                 '$jsreload'    => '',
 891                                 '$wall'        => ($conv->getMode() === 'profile'),
 892                                 '$id'          => $this->getId(),
 893                                 '$parent'      => $this->getId(),
 894                                 '$qcomment'    => $qcomment,
 895                                 '$default'     => $default_text,
 896                                 '$profile_uid' => $uid,
 897                                 '$mylink'      => $a->removeBaseURL($a->contact['url']),
 898                                 '$mytitle'     => L10n::t('This is you'),
 899                                 '$myphoto'     => $a->removeBaseURL($a->contact['thumb']),
 900                                 '$comment'     => L10n::t('Comment'),
 901                                 '$submit'      => L10n::t('Submit'),
 902                                 '$edbold'      => L10n::t('Bold'),
 903                                 '$editalic'    => L10n::t('Italic'),
 904                                 '$eduline'     => L10n::t('Underline'),
 905                                 '$edquote'     => L10n::t('Quote'),
 906                                 '$edcode'      => L10n::t('Code'),
 907                                 '$edimg'       => L10n::t('Image'),
 908                                 '$edurl'       => L10n::t('Link'),
 909                                 '$edattach'    => L10n::t('Link or Media'),
 910                                 '$prompttext'  => L10n::t('Please enter a image/video/audio/webpage URL:'),
 911                                 '$preview'     => L10n::t('Preview'),
 912                                 '$indent'      => $indent,
 913                                 '$sourceapp'   => L10n::t($a->sourcename),
 914                                 '$ww'          => $conv->getMode() === 'network' ? $ww : '',
 915                                 '$rand_num'    => Crypto::randomDigits(12)
 916                         ]);
 917                 }
 918
 919                 return $comment_box;
 920         }
 921
 922         /**
 923          * @return string
 924          */
 925         private function getRedirectUrl()
 926         {
 927                 return $this->redirect_url;
 928         }
 929
 930         /**
 931          * Check if we are a wall to wall item and set the relevant properties
 932          *
 933          * @return void
 934          * @throws \Exception
 935          */
 936         protected function checkWallToWall()
 937         {
 938                 $a = self::getApp();
 939                 $conv = $this->getThread();
 940                 $this->wall_to_wall = false;
 941
 942                 if ($this->isToplevel()) {
 943                         if ($conv->getMode() !== 'profile') {
 944                                 if ($this->getDataValue('wall') && !$this->getDataValue('self')) {
 945                                         // On the network page, I am the owner. On the display page it will be the profile owner.
 946                                         // This will have been stored in $a->page_contact by our calling page.
 947                                         // Put this person as the wall owner of the wall-to-wall notice.
 948
 949                                         $this->owner_url = Contact::magicLink($a->page_contact['url']);
 950                                         $this->owner_photo = $a->page_contact['thumb'];
 951                                         $this->owner_name = $a->page_contact['name'];
 952                                         $this->wall_to_wall = true;
 953                                 } elseif ($this->getDataValue('owner-link')) {
 954                                         $owner_linkmatch = (($this->getDataValue('owner-link')) && Strings::compareLink($this->getDataValue('owner-link'), $this->getDataValue('author-link')));
 955                                         $alias_linkmatch = (($this->getDataValue('alias')) && Strings::compareLink($this->getDataValue('alias'), $this->getDataValue('author-link')));
 956                                         $owner_namematch = (($this->getDataValue('owner-name')) && $this->getDataValue('owner-name') == $this->getDataValue('author-name'));
 957
 958                                         if (!$owner_linkmatch && !$alias_linkmatch && !$owner_namematch) {
 959                                                 // The author url doesn't match the owner (typically the contact)
 960                                                 // and also doesn't match the contact alias.
 961                                                 // The name match is a hack to catch several weird cases where URLs are
 962                                                 // all over the park. It can be tricked, but this prevents you from
 963                                                 // seeing "Bob Smith to Bob Smith via Wall-to-wall" and you know darn
 964                                                 // well that it's the same Bob Smith.
 965                                                 // But it could be somebody else with the same name. It just isn't highly likely.
 966
 967
 968                                                 $this->owner_photo = $this->getDataValue('owner-avatar');
 969                                                 $this->owner_name = $this->getDataValue('owner-name');
 970                                                 $this->wall_to_wall = true;
 971
 972                                                 $owner = ['uid' => 0, 'id' => $this->getDataValue('owner-id'),
 973                                                         'network' => $this->getDataValue('owner-network'),
 974                                                         'url' => $this->getDataValue('owner-link')];
 975                                                 $this->owner_url = Contact::magicLinkByContact($owner);
 976                                         }
 977                                 }
 978                         }
 979                 }
 980
 981                 if (!$this->wall_to_wall) {
 982                         $this->setTemplate('wall');
 983                         $this->owner_url = '';
 984                         $this->owner_photo = '';
 985                         $this->owner_name = '';
 986                 }
 987         }
 988
 989         /**
 990          * @return boolean
 991          */
 992         private function isWallToWall()
 993         {
 994                 return $this->wall_to_wall;
 995         }
 996
 997         /**
 998          * @return string
 999          */
1000         private function getOwnerUrl()
1001         {
1002                 return $this->owner_url;
1003         }
1004
1005         /**
1006          * @return string
1007          */
1008         private function getOwnerName()
1009         {
1010                 return $this->owner_name;
1011         }
1012
1013         /**
1014          * @return boolean
1015          */
1016         private function isVisiting()
1017         {
1018                 return $this->visiting;
1019         }
1020 }