src/Object/Post.php

   1 <?php
   2 /**
   3  * @file src/Object/Post.php
   4  */
   5 namespace Friendica\Object;
   6
   7 use Friendica\Content\ContactSelector;
   8 use Friendica\Content\Feature;
   9 use Friendica\Core\Addon;
  10 use Friendica\Core\Config;
  11 use Friendica\Core\Hook;
  12 use Friendica\Core\L10n;
  13 use Friendica\Core\Logger;
  14 use Friendica\Core\PConfig;
  15 use Friendica\Core\Protocol;
  16 use Friendica\Core\Renderer;
  17 use Friendica\Core\Session;
  18 use Friendica\Database\DBA;
  19 use Friendica\DI;
  20 use Friendica\Model\Contact;
  21 use Friendica\Model\Item;
  22 use Friendica\Model\Term;
  23 use Friendica\Model\User;
  24 use Friendica\Protocol\Activity;
  25 use Friendica\Util\Crypto;
  26 use Friendica\Util\DateTimeFormat;
  27 use Friendica\Util\Proxy as ProxyUtils;
  28 use Friendica\Util\Strings;
  29 use Friendica\Util\Temporal;
  30
  31 /**
  32  * An item
  33  */
  34 class Post
  35 {
  36         private $data = [];
  37         private $template = null;
  38         private $available_templates = [
  39                 'wall' => 'wall_thread.tpl',
  40                 'wall2wall' => 'wallwall_thread.tpl'
  41         ];
  42         private $comment_box_template = 'comment_item.tpl';
  43         private $toplevel = false;
  44         private $writable = false;
  45         /**
  46          * @var Post[]
  47          */
  48         private $children = [];
  49         private $parent = null;
  50
  51         /**
  52          * @var Thread
  53          */
  54         private $thread = null;
  55         private $redirect_url = null;
  56         private $owner_url = '';
  57         private $owner_photo = '';
  58         private $owner_name = '';
  59         private $wall_to_wall = false;
  60         private $threaded = false;
  61         private $visiting = false;
  62
  63         /**
  64          * Constructor
  65          *
  66          * @param array $data data array
  67          * @throws \Exception
  68          */
  69         public function __construct(array $data)
  70         {
  71                 $this->data = $data;
  72                 $this->setTemplate('wall');
  73                 $this->toplevel = $this->getId() == $this->getDataValue('parent');
  74
  75                 if (!empty(Session::getUserIDForVisitorContactID($this->getDataValue('contact-id')))) {
  76                         $this->visiting = true;
  77                 }
  78
  79                 $this->writable = $this->getDataValue('writable') || $this->getDataValue('self');
  80                 $author = ['uid' => 0, 'id' => $this->getDataValue('author-id'),
  81                         'network' => $this->getDataValue('author-network'),
  82                         'url' => $this->getDataValue('author-link')];
  83                 $this->redirect_url = Contact::magicLinkByContact($author);
  84                 if (!$this->isToplevel()) {
  85                         $this->threaded = true;
  86                 }
  87
  88                 // Prepare the children
  89                 if (!empty($data['children'])) {
  90                         foreach ($data['children'] as $item) {
  91                                 // Only add will be displayed
  92                                 if ($item['network'] === Protocol::MAIL && local_user() != $item['uid']) {
  93                                         continue;
  94                                 } elseif (!visible_activity($item)) {
  95                                         continue;
  96                                 }
  97
  98                                 // You can always comment on Diaspora and OStatus items
  99                                 if (in_array($item['network'], [Protocol::OSTATUS, Protocol::DIASPORA]) && (local_user() == $item['uid'])) {
 100                                         $item['writable'] = true;
 101                                 }
 102
 103                                 $item['pagedrop'] = $data['pagedrop'];
 104                                 $child = new Post($item);
 105                                 $this->addChild($child);
 106                         }
 107                 }
 108         }
 109
 110         /**
 111          * Get data in a form usable by a conversation template
 112          *
 113          * @param array   $conv_responses conversation responses
 114          * @param integer $thread_level   default = 1
 115          *
 116          * @return mixed The data requested on success
 117          *               false on failure
 118          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 119          * @throws \ImagickException
 120          */
 121         public function getTemplateData(array $conv_responses, $thread_level = 1)
 122         {
 123                 $a = DI::app();
 124
 125                 $item = $this->getData();
 126                 $edited = false;
 127                 // If the time between "created" and "edited" differs we add
 128                 // a notice that the post was edited.
 129                 // Note: In some networks reshared items seem to have (sometimes) a difference
 130                 // between creation time and edit time of a second. Thats why we add the notice
 131                 // only if the difference is more than 1 second.
 132                 if (strtotime($item['edited']) - strtotime($item['created']) > 1) {
 133                         $edited = [
 134                                 'label'    => L10n::t('This entry was edited'),
 135                                 'date'     => DateTimeFormat::local($item['edited'], 'r'),
 136                                 'relative' => Temporal::getRelativeDate($item['edited'])
 137                         ];
 138                 }
 139                 $sparkle = '';
 140                 $buttons = '';
 141                 $dropping = false;
 142                 $pinned = '';
 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 = $parent['origin'];
 194                         }
 195                 } elseif ($item['pinned']) {
 196                         $pinned = L10n::t('pinned item');
 197                 }
 198
 199                 if ($origin && ($item['id'] != $item['parent']) && ($item['network'] == Protocol::ACTIVITYPUB)) {
 200                         // ActivityPub doesn't allow removal of remote comments
 201                         $delete = L10n::t('Delete locally');
 202                 } else {
 203                         // Showing the one or the other text, depending upon if we can only hide it or really delete it.
 204                         $delete = $origin ? L10n::t('Delete globally') : L10n::t('Remove locally');
 205                 }
 206
 207                 $drop = [
 208                         'dropping' => $dropping,
 209                         'pagedrop' => $item['pagedrop'],
 210                         'select'   => L10n::t('Select'),
 211                         'delete'   => $delete,
 212                 ];
 213
 214                 if (!local_user()) {
 215                         $drop = false;
 216                 }
 217
 218                 $filer = (($conv->getProfileOwner() == local_user() && ($item['uid'] != 0)) ? L10n::t("save to folder") : false);
 219
 220                 $profile_name = $item['author-name'];
 221                 if (!empty($item['author-link']) && empty($item['author-name'])) {
 222                         $profile_name = $item['author-link'];
 223                 }
 224
 225                 $author = ['uid' => 0, 'id' => $item['author-id'],
 226                         'network' => $item['author-network'], 'url' => $item['author-link']];
 227
 228                 if (Session::isAuthenticated()) {
 229                         $profile_link = Contact::magicLinkByContact($author);
 230                 } else {
 231                         $profile_link = $item['author-link'];
 232                 }
 233
 234                 if (strpos($profile_link, 'redir/') === 0) {
 235                         $sparkle = ' sparkle';
 236                 }
 237
 238                 $locate = ['location' => $item['location'], 'coord' => $item['coord'], 'html' => ''];
 239                 Hook::callAll('render_location', $locate);
 240                 $location = ((strlen($locate['html'])) ? $locate['html'] : render_location_dummy($locate));
 241
 242                 // process action responses - e.g. like/dislike/attend/agree/whatever
 243                 $response_verbs = ['like', 'dislike', 'announce'];
 244
 245                 $isevent = false;
 246                 $attend = [];
 247                 if ($item['object-type'] === Activity\ObjectType::EVENT) {
 248                         $response_verbs[] = 'attendyes';
 249                         $response_verbs[] = 'attendno';
 250                         $response_verbs[] = 'attendmaybe';
 251                         if ($conv->isWritable()) {
 252                                 $isevent = true;
 253                                 $attend = [L10n::t('I will attend'), L10n::t('I will not attend'), L10n::t('I might attend')];
 254                         }
 255                 }
 256
 257                 $responses = get_responses($conv_responses, $response_verbs, $item, $this);
 258
 259                 foreach ($response_verbs as $value => $verbs) {
 260                         $responses[$verbs]['output'] = !empty($conv_responses[$verbs][$item['uri']]) ? format_like($conv_responses[$verbs][$item['uri']], $conv_responses[$verbs][$item['uri'] . '-l'], $verbs, $item['uri']) : '';
 261                 }
 262
 263                 /*
 264                  * We should avoid doing this all the time, but it depends on the conversation mode
 265                  * And the conv mode may change when we change the conv, or it changes its mode
 266                  * Maybe we should establish a way to be notified about conversation changes
 267                  */
 268                 $this->checkWallToWall();
 269
 270                 if ($this->isWallToWall() && ($this->getOwnerUrl() == $this->getRedirectUrl())) {
 271                         $osparkle = ' sparkle';
 272                 }
 273
 274                 $tagger = '';
 275
 276                 if ($this->isToplevel()) {
 277                         if(local_user()) {
 278                                 $thread = Item::selectFirstThreadForUser(local_user(), ['ignored'], ['iid' => $item['id']]);
 279                                 if (DBA::isResult($thread)) {
 280                                         $ignore = [
 281                                                 'do'        => L10n::t("ignore thread"),
 282                                                 'undo'      => L10n::t("unignore thread"),
 283                                                 'toggle'    => L10n::t("toggle ignore status"),
 284                                                 'classdo'   => $thread['ignored'] ? "hidden" : "",
 285                                                 'classundo' => $thread['ignored'] ? "" : "hidden",
 286                                                 'ignored'   => L10n::t('ignored'),
 287                                         ];
 288                                 }
 289
 290                                 if ($conv->getProfileOwner() == local_user() && ($item['uid'] != 0)) {
 291                                         if ($origin) {
 292                                                 $ispinned = ($item['pinned'] ? 'pinned' : 'unpinned');
 293
 294                                                 $pin = [
 295                                                         'do'        => L10n::t('pin'),
 296                                                         'undo'      => L10n::t('unpin'),
 297                                                         'toggle'    => L10n::t('toggle pin status'),
 298                                                         'classdo'   => $item['pinned'] ? 'hidden' : '',
 299                                                         'classundo' => $item['pinned'] ? '' : 'hidden',
 300                                                         'pinned'   => L10n::t('pinned'),
 301                                                 ];
 302                                         }
 303
 304                                         $isstarred = (($item['starred']) ? "starred" : "unstarred");
 305
 306                                         $star = [
 307                                                 'do'        => L10n::t("add star"),
 308                                                 'undo'      => L10n::t("remove star"),
 309                                                 'toggle'    => L10n::t("toggle star status"),
 310                                                 'classdo'   => $item['starred'] ? "hidden" : "",
 311                                                 'classundo' => $item['starred'] ? "" : "hidden",
 312                                                 'starred'   => L10n::t('starred'),
 313                                         ];
 314
 315                                         $tagger = [
 316                                                 'add'   => L10n::t("add tag"),
 317                                                 'class' => "",
 318                                         ];
 319                                 }
 320                         }
 321                 } else {
 322                         $indent = 'comment';
 323                 }
 324
 325                 if ($conv->isWritable()) {
 326                         $buttons = [
 327                                 'like'    => [L10n::t("I like this \x28toggle\x29"), L10n::t("like")],
 328                                 'dislike' => [L10n::t("I don't like this \x28toggle\x29"), L10n::t("dislike")],
 329                         ];
 330                         if ($shareable) {
 331                                 $buttons['share'] = [L10n::t('Share this'), L10n::t('share')];
 332                         }
 333                 }
 334
 335                 $comment = $this->getCommentBox($indent);
 336
 337                 if (strcmp(DateTimeFormat::utc($item['created']), DateTimeFormat::utc('now - 12 hours')) > 0) {
 338                         $shiny = 'shiny';
 339                 }
 340
 341                 localize_item($item);
 342
 343                 $body = Item::prepareBody($item, true);
 344
 345                 list($categories, $folders) = DI::contentItem()->determineCategoriesTerms($item);
 346
 347                 $body_e       = $body;
 348                 $text_e       = strip_tags($body);
 349                 $name_e       = $profile_name;
 350
 351                 if (!empty($item['content-warning']) && PConfig::get(local_user(), 'system', 'disable_cw', false)) {
 352                         $title_e = ucfirst($item['content-warning']);
 353                 } else {
 354                         $title_e = $item['title'];
 355                 }
 356
 357                 $location_e   = $location;
 358                 $owner_name_e = $this->getOwnerName();
 359
 360                 // Disable features that aren't available in several networks
 361                 if (!in_array($item["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA]) && isset($buttons["dislike"])) {
 362                         unset($buttons["dislike"]);
 363                         $isevent = false;
 364                         $tagger = '';
 365                 }
 366
 367                 if (($item["network"] == Protocol::FEED) && isset($buttons["like"])) {
 368                         unset($buttons["like"]);
 369                 }
 370
 371                 if (($item["network"] == Protocol::MAIL) && isset($buttons["like"])) {
 372                         unset($buttons["like"]);
 373                 }
 374
 375                 $tags = Term::populateTagsFromItem($item);
 376
 377                 $ago = Temporal::getRelativeDate($item['created']);
 378                 $ago_received = Temporal::getRelativeDate($item['received']);
 379                 if (Config::get('system', 'show_received') && (abs(strtotime($item['created']) - strtotime($item['received'])) > Config::get('system', 'show_received_seconds')) && ($ago != $ago_received)) {
 380                         $ago = L10n::t('%s (Received %s)', $ago, $ago_received);
 381                 }
 382
 383                 $tmp_item = [
 384                         'template'        => $this->getTemplate(),
 385                         'type'            => implode("", array_slice(explode("/", $item['verb']), -1)),
 386                         'suppress_tags'   => Config::get('system', 'suppress_tags'),
 387                         'tags'            => $tags['tags'],
 388                         'hashtags'        => $tags['hashtags'],
 389                         'mentions'        => $tags['mentions'],
 390                         'implicit_mentions' => $tags['implicit_mentions'],
 391                         'txt_cats'        => L10n::t('Categories:'),
 392                         'txt_folders'     => L10n::t('Filed under:'),
 393                         'has_cats'        => ((count($categories)) ? 'true' : ''),
 394                         'has_folders'     => ((count($folders)) ? 'true' : ''),
 395                         'categories'      => $categories,
 396                         'folders'         => $folders,
 397                         'body'            => $body_e,
 398                         'text'            => $text_e,
 399                         'id'              => $this->getId(),
 400                         'guid'            => urlencode($item['guid']),
 401                         'isevent'         => $isevent,
 402                         'attend'          => $attend,
 403                         'linktitle'       => L10n::t('View %s\'s profile @ %s', $profile_name, $item['author-link']),
 404                         'olinktitle'      => L10n::t('View %s\'s profile @ %s', $this->getOwnerName(), $item['owner-link']),
 405                         'to'              => L10n::t('to'),
 406                         'via'             => L10n::t('via'),
 407                         'wall'            => L10n::t('Wall-to-Wall'),
 408                         'vwall'           => L10n::t('via Wall-To-Wall:'),
 409                         'profile_url'     => $profile_link,
 410                         'item_photo_menu' => item_photo_menu($item),
 411                         'name'            => $name_e,
 412                         'thumb'           => DI::baseUrl()->remove(ProxyUtils::proxifyUrl($item['author-avatar'], false, ProxyUtils::SIZE_THUMB)),
 413                         'osparkle'        => $osparkle,
 414                         'sparkle'         => $sparkle,
 415                         'title'           => $title_e,
 416                         'localtime'       => DateTimeFormat::local($item['created'], 'r'),
 417                         'ago'             => $item['app'] ? L10n::t('%s from %s', $ago, $item['app']) : $ago,
 418                         'app'             => $item['app'],
 419                         'created'         => $ago,
 420                         'lock'            => $lock,
 421                         'location'        => $location_e,
 422                         'indent'          => $indent,
 423                         'shiny'           => $shiny,
 424                         'owner_self'      => $item['author-link'] == Session::get('my_url'),
 425                         'owner_url'       => $this->getOwnerUrl(),
 426                         'owner_photo'     => DI::baseUrl()->remove(ProxyUtils::proxifyUrl($item['owner-avatar'], false, ProxyUtils::SIZE_THUMB)),
 427                         'owner_name'      => $owner_name_e,
 428                         'plink'           => Item::getPlink($item),
 429                         'edpost'          => $edpost,
 430                         'ispinned'        => $ispinned,
 431                         'pin'             => $pin,
 432                         'pinned'          => $pinned,
 433                         'isstarred'       => $isstarred,
 434                         'star'            => $star,
 435                         'ignore'          => $ignore,
 436                         'tagger'          => $tagger,
 437                         'filer'           => $filer,
 438                         'drop'            => $drop,
 439                         'vote'            => $buttons,
 440                         'like'            => $responses['like']['output'],
 441                         'dislike'         => $responses['dislike']['output'],
 442                         'responses'       => $responses,
 443                         'switchcomment'   => L10n::t('Comment'),
 444                         'reply_label'     => L10n::t('Reply to %s', $name_e),
 445                         'comment'         => $comment,
 446                         'previewing'      => $conv->isPreview() ? ' preview ' : '',
 447                         'wait'            => L10n::t('Please wait'),
 448                         'thread_level'    => $thread_level,
 449                         'edited'          => $edited,
 450                         'network'         => $item["network"],
 451                         'network_name'    => ContactSelector::networkToName($item['author-network'], $item['author-link'], $item['network']),
 452                         'network_icon'    => ContactSelector::networkToIcon($item['network'], $item['author-link']),
 453                         'received'        => $item['received'],
 454                         'commented'       => $item['commented'],
 455                         'created_date'    => $item['created'],
 456                         'return'          => ($a->cmd) ? bin2hex($a->cmd) : '',
 457                         'delivery'        => [
 458                                 'queue_count'       => $item['delivery_queue_count'],
 459                                 'queue_done'        => $item['delivery_queue_done'] + $item['delivery_queue_failed'], /// @todo Possibly display it separately in the future
 460                                 'notifier_pending'  => L10n::t('Notifier task is pending'),
 461                                 'delivery_pending'  => L10n::t('Delivery to remote servers is pending'),
 462                                 'delivery_underway' => L10n::t('Delivery to remote servers is underway'),
 463                                 'delivery_almost'   => L10n::t('Delivery to remote servers is mostly done'),
 464                                 'delivery_done'     => L10n::t('Delivery to remote servers is done'),
 465                         ],
 466                 ];
 467
 468                 $arr = ['item' => $item, 'output' => $tmp_item];
 469                 Hook::callAll('display_item', $arr);
 470
 471                 $result = $arr['output'];
 472
 473                 $result['children'] = [];
 474                 $children = $this->getChildren();
 475                 $nb_children = count($children);
 476                 if ($nb_children > 0) {
 477                         foreach ($children as $child) {
 478                                 $result['children'][] = $child->getTemplateData($conv_responses, $thread_level + 1);
 479                         }
 480
 481                         // Collapse
 482                         if (($nb_children > 2) || ($thread_level > 1)) {
 483                                 $result['children'][0]['comment_firstcollapsed'] = true;
 484                                 $result['children'][0]['num_comments'] = L10n::tt('%d comment', '%d comments', $total_children);
 485                                 $result['children'][0]['show_text'] = L10n::t('Show more');
 486                                 $result['children'][0]['hide_text'] = L10n::t('Show fewer');
 487                                 if ($thread_level > 1) {
 488                                         $result['children'][$nb_children - 1]['comment_lastcollapsed'] = true;
 489                                 } else {
 490                                         $result['children'][$nb_children - 3]['comment_lastcollapsed'] = true;
 491                                 }
 492                         }
 493                 }
 494
 495                 if ($this->isToplevel()) {
 496                         $result['total_comments_num'] = "$total_children";
 497                         $result['total_comments_text'] = L10n::tt('comment', 'comments', $total_children);
 498                 }
 499
 500                 $result['private'] = $item['private'];
 501                 $result['toplevel'] = ($this->isToplevel() ? 'toplevel_item' : '');
 502
 503                 if ($this->isThreaded()) {
 504                         $result['flatten'] = false;
 505                         $result['threaded'] = true;
 506                 } else {
 507                         $result['flatten'] = true;
 508                         $result['threaded'] = false;
 509                 }
 510
 511                 return $result;
 512         }
 513
 514         /**
 515          * @return integer
 516          */
 517         public function getId()
 518         {
 519                 return $this->getDataValue('id');
 520         }
 521
 522         /**
 523          * @return boolean
 524          */
 525         public function isThreaded()
 526         {
 527                 return $this->threaded;
 528         }
 529
 530         /**
 531          * Add a child item
 532          *
 533          * @param Post $item The child item to add
 534          *
 535          * @return mixed
 536          * @throws \Exception
 537          */
 538         public function addChild(Post $item)
 539         {
 540                 $item_id = $item->getId();
 541                 if (!$item_id) {
 542                         Logger::log('[ERROR] Post::addChild : Item has no ID!!', Logger::DEBUG);
 543                         return false;
 544                 } elseif ($this->getChild($item->getId())) {
 545                         Logger::log('[WARN] Post::addChild : Item already exists (' . $item->getId() . ').', Logger::DEBUG);
 546                         return false;
 547                 }
 548
 549                 $activity = DI::activity();
 550
 551                 /*
 552                  * Only add what will be displayed
 553                  */
 554                 if ($item->getDataValue('network') === Protocol::MAIL && local_user() != $item->getDataValue('uid')) {
 555                         return false;
 556                 } elseif ($activity->match($item->getDataValue('verb'), Activity::LIKE) ||
 557                           $activity->match($item->getDataValue('verb'), Activity::DISLIKE)) {
 558                         return false;
 559                 }
 560
 561                 $item->setParent($this);
 562                 $this->children[] = $item;
 563
 564                 return end($this->children);
 565         }
 566
 567         /**
 568          * Get a child by its ID
 569          *
 570          * @param integer $id The child id
 571          *
 572          * @return mixed
 573          */
 574         public function getChild($id)
 575         {
 576                 foreach ($this->getChildren() as $child) {
 577                         if ($child->getId() == $id) {
 578                                 return $child;
 579                         }
 580                 }
 581
 582                 return null;
 583         }
 584
 585         /**
 586          * Get all our children
 587          *
 588          * @return Post[]
 589          */
 590         public function getChildren()
 591         {
 592                 return $this->children;
 593         }
 594
 595         /**
 596          * Set our parent
 597          *
 598          * @param Post $item The item to set as parent
 599          *
 600          * @return void
 601          */
 602         protected function setParent(Post $item)
 603         {
 604                 $parent = $this->getParent();
 605                 if ($parent) {
 606                         $parent->removeChild($this);
 607                 }
 608
 609                 $this->parent = $item;
 610                 $this->setThread($item->getThread());
 611         }
 612
 613         /**
 614          * Remove our parent
 615          *
 616          * @return void
 617          */
 618         protected function removeParent()
 619         {
 620                 $this->parent = null;
 621                 $this->thread = null;
 622         }
 623
 624         /**
 625          * Remove a child
 626          *
 627          * @param Post $item The child to be removed
 628          *
 629          * @return boolean Success or failure
 630          * @throws \Exception
 631          */
 632         public function removeChild(Post $item)
 633         {
 634                 $id = $item->getId();
 635                 foreach ($this->getChildren() as $key => $child) {
 636                         if ($child->getId() == $id) {
 637                                 $child->removeParent();
 638                                 unset($this->children[$key]);
 639                                 // Reindex the array, in order to make sure there won't be any trouble on loops using count()
 640                                 $this->children = array_values($this->children);
 641                                 return true;
 642                         }
 643                 }
 644                 Logger::log('[WARN] Item::removeChild : Item is not a child (' . $id . ').', Logger::DEBUG);
 645                 return false;
 646         }
 647
 648         /**
 649          * Get parent item
 650          *
 651          * @return object
 652          */
 653         protected function getParent()
 654         {
 655                 return $this->parent;
 656         }
 657
 658         /**
 659          * Set conversation thread
 660          *
 661          * @param Thread $thread
 662          *
 663          * @return void
 664          */
 665         public function setThread(Thread $thread = null)
 666         {
 667                 $this->thread = $thread;
 668
 669                 // Set it on our children too
 670                 foreach ($this->getChildren() as $child) {
 671                         $child->setThread($thread);
 672                 }
 673         }
 674
 675         /**
 676          * Get conversation
 677          *
 678          * @return Thread
 679          */
 680         public function getThread()
 681         {
 682                 return $this->thread;
 683         }
 684
 685         /**
 686          * Get raw data
 687          *
 688          * We shouldn't need this
 689          *
 690          * @return array
 691          */
 692         public function getData()
 693         {
 694                 return $this->data;
 695         }
 696
 697         /**
 698          * Get a data value
 699          *
 700          * @param string $name key
 701          *
 702          * @return mixed value on success
 703          *               false on failure
 704          */
 705         public function getDataValue($name)
 706         {
 707                 if (!isset($this->data[$name])) {
 708                         // Logger::log('[ERROR] Item::getDataValue : Item has no value name "'. $name .'".', Logger::DEBUG);
 709                         return false;
 710                 }
 711
 712                 return $this->data[$name];
 713         }
 714
 715         /**
 716          * Set template
 717          *
 718          * @param string $name template name
 719          * @return bool
 720          * @throws \Exception
 721          */
 722         private function setTemplate($name)
 723         {
 724                 if (empty($this->available_templates[$name])) {
 725                         Logger::log('[ERROR] Item::setTemplate : Template not available ("' . $name . '").', Logger::DEBUG);
 726                         return false;
 727                 }
 728
 729                 $this->template = $this->available_templates[$name];
 730
 731                 return true;
 732         }
 733
 734         /**
 735          * Get template
 736          *
 737          * @return object
 738          */
 739         private function getTemplate()
 740         {
 741                 return $this->template;
 742         }
 743
 744         /**
 745          * Check if this is a toplevel post
 746          *
 747          * @return boolean
 748          */
 749         private function isToplevel()
 750         {
 751                 return $this->toplevel;
 752         }
 753
 754         /**
 755          * Check if this is writable
 756          *
 757          * @return boolean
 758          */
 759         private function isWritable()
 760         {
 761                 $conv = $this->getThread();
 762
 763                 if ($conv) {
 764                         // This will allow us to comment on wall-to-wall items owned by our friends
 765                         // and community forums even if somebody else wrote the post.
 766                         // bug #517 - this fixes for conversation owner
 767                         if ($conv->getMode() == 'profile' && $conv->getProfileOwner() == local_user()) {
 768                                 return true;
 769                         }
 770
 771                         // this fixes for visitors
 772                         return ($this->writable || ($this->isVisiting() && $conv->getMode() == 'profile'));
 773                 }
 774                 return $this->writable;
 775         }
 776
 777         /**
 778          * Count the total of our descendants
 779          *
 780          * @return integer
 781          */
 782         private function countDescendants()
 783         {
 784                 $children = $this->getChildren();
 785                 $total = count($children);
 786                 if ($total > 0) {
 787                         foreach ($children as $child) {
 788                                 $total += $child->countDescendants();
 789                         }
 790                 }
 791
 792                 return $total;
 793         }
 794
 795         /**
 796          * Get the template for the comment box
 797          *
 798          * @return string
 799          */
 800         private function getCommentBoxTemplate()
 801         {
 802                 return $this->comment_box_template;
 803         }
 804
 805         /**
 806          * Get default text for the comment box
 807          *
 808          * @return string
 809          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 810          */
 811         private function getDefaultText()
 812         {
 813                 $a = DI::app();
 814
 815                 if (!local_user()) {
 816                         return '';
 817                 }
 818
 819                 $owner = User::getOwnerDataById($a->user['uid']);
 820
 821                 if (!Feature::isEnabled(local_user(), 'explicit_mentions')) {
 822                         return '';
 823                 }
 824
 825                 $item = Item::selectFirst(['author-addr'], ['id' => $this->getId()]);
 826                 if (!DBA::isResult($item) || empty($item['author-addr'])) {
 827                         // Should not happen
 828                         return '';
 829                 }
 830
 831                 if ($item['author-addr'] != $owner['addr']) {
 832                         $text = '@' . $item['author-addr'] . ' ';
 833                 } else {
 834                         $text = '';
 835                 }
 836
 837                 $terms = Term::tagArrayFromItemId($this->getId(), [Term::MENTION, Term::IMPLICIT_MENTION]);
 838                 foreach ($terms as $term) {
 839                         $profile = Contact::getDetailsByURL($term['url']);
 840                         if (!empty($profile['addr']) && ((($profile['contact-type'] ?? '') ?: Contact::TYPE_UNKNOWN) != Contact::TYPE_COMMUNITY) &&
 841                                 ($profile['addr'] != $owner['addr']) && !strstr($text, $profile['addr'])) {
 842                                 $text .= '@' . $profile['addr'] . ' ';
 843                         }
 844                 }
 845
 846                 return $text;
 847         }
 848
 849         /**
 850          * Get the comment box
 851          *
 852          * @param string $indent Indent value
 853          *
 854          * @return mixed The comment box string (empty if no comment box)
 855          *               false on failure
 856          * @throws \Exception
 857          */
 858         private function getCommentBox($indent)
 859         {
 860                 $a = DI::app();
 861
 862                 $comment_box = '';
 863                 $conv = $this->getThread();
 864                 $ww = '';
 865                 if (($conv->getMode() === 'network') && $this->isWallToWall()) {
 866                         $ww = 'ww';
 867                 }
 868
 869                 if ($conv->isWritable() && $this->isWritable()) {
 870                         $qcomment = null;
 871
 872                         /*
 873                          * Hmmm, code depending on the presence of a particular addon?
 874                          * This should be better if done by a hook
 875                          */
 876                         if (Addon::isEnabled('qcomment')) {
 877                                 $qc = ((local_user()) ? PConfig::get(local_user(), 'qcomment', 'words') : null);
 878                                 $qcomment = (($qc) ? explode("\n", $qc) : null);
 879                         }
 880
 881                         // Fetch the user id from the parent when the owner user is empty
 882                         $uid = $conv->getProfileOwner();
 883                         $parent_uid = $this->getDataValue('uid');
 884
 885                         $default_text = $this->getDefaultText();
 886
 887                         if (!is_null($parent_uid) && ($uid != $parent_uid)) {
 888                                 $uid = $parent_uid;
 889                         }
 890
 891                         $template = Renderer::getMarkupTemplate($this->getCommentBoxTemplate());
 892                         $comment_box = Renderer::replaceMacros($template, [
 893                                 '$return_path' => $a->query_string,
 894                                 '$threaded'    => $this->isThreaded(),
 895                                 '$jsreload'    => '',
 896                                 '$wall'        => ($conv->getMode() === 'profile'),
 897                                 '$id'          => $this->getId(),
 898                                 '$parent'      => $this->getId(),
 899                                 '$qcomment'    => $qcomment,
 900                                 '$default'     => $default_text,
 901                                 '$profile_uid' => $uid,
 902                                 '$mylink'      => DI::baseUrl()->remove($a->contact['url']),
 903                                 '$mytitle'     => L10n::t('This is you'),
 904                                 '$myphoto'     => DI::baseUrl()->remove($a->contact['thumb']),
 905                                 '$comment'     => L10n::t('Comment'),
 906                                 '$submit'      => L10n::t('Submit'),
 907                                 '$edbold'      => L10n::t('Bold'),
 908                                 '$editalic'    => L10n::t('Italic'),
 909                                 '$eduline'     => L10n::t('Underline'),
 910                                 '$edquote'     => L10n::t('Quote'),
 911                                 '$edcode'      => L10n::t('Code'),
 912                                 '$edimg'       => L10n::t('Image'),
 913                                 '$edurl'       => L10n::t('Link'),
 914                                 '$edattach'    => L10n::t('Link or Media'),
 915                                 '$prompttext'  => L10n::t('Please enter a image/video/audio/webpage URL:'),
 916                                 '$preview'     => L10n::t('Preview'),
 917                                 '$indent'      => $indent,
 918                                 '$sourceapp'   => L10n::t($a->sourcename),
 919                                 '$ww'          => $conv->getMode() === 'network' ? $ww : '',
 920                                 '$rand_num'    => Crypto::randomDigits(12)
 921                         ]);
 922                 }
 923
 924                 return $comment_box;
 925         }
 926
 927         /**
 928          * @return string
 929          */
 930         private function getRedirectUrl()
 931         {
 932                 return $this->redirect_url;
 933         }
 934
 935         /**
 936          * Check if we are a wall to wall item and set the relevant properties
 937          *
 938          * @return void
 939          * @throws \Exception
 940          */
 941         protected function checkWallToWall()
 942         {
 943                 $a = DI::app();
 944                 $conv = $this->getThread();
 945                 $this->wall_to_wall = false;
 946
 947                 if ($this->isToplevel()) {
 948                         if ($conv->getMode() !== 'profile') {
 949                                 if ($this->getDataValue('wall') && !$this->getDataValue('self')) {
 950                                         // On the network page, I am the owner. On the display page it will be the profile owner.
 951                                         // This will have been stored in $a->page_contact by our calling page.
 952                                         // Put this person as the wall owner of the wall-to-wall notice.
 953
 954                                         $this->owner_url = Contact::magicLink($a->page_contact['url']);
 955                                         $this->owner_photo = $a->page_contact['thumb'];
 956                                         $this->owner_name = $a->page_contact['name'];
 957                                         $this->wall_to_wall = true;
 958                                 } elseif ($this->getDataValue('owner-link')) {
 959                                         $owner_linkmatch = (($this->getDataValue('owner-link')) && Strings::compareLink($this->getDataValue('owner-link'), $this->getDataValue('author-link')));
 960                                         $alias_linkmatch = (($this->getDataValue('alias')) && Strings::compareLink($this->getDataValue('alias'), $this->getDataValue('author-link')));
 961                                         $owner_namematch = (($this->getDataValue('owner-name')) && $this->getDataValue('owner-name') == $this->getDataValue('author-name'));
 962
 963                                         if (!$owner_linkmatch && !$alias_linkmatch && !$owner_namematch) {
 964                                                 // The author url doesn't match the owner (typically the contact)
 965                                                 // and also doesn't match the contact alias.
 966                                                 // The name match is a hack to catch several weird cases where URLs are
 967                                                 // all over the park. It can be tricked, but this prevents you from
 968                                                 // seeing "Bob Smith to Bob Smith via Wall-to-wall" and you know darn
 969                                                 // well that it's the same Bob Smith.
 970                                                 // But it could be somebody else with the same name. It just isn't highly likely.
 971
 972
 973                                                 $this->owner_photo = $this->getDataValue('owner-avatar');
 974                                                 $this->owner_name = $this->getDataValue('owner-name');
 975                                                 $this->wall_to_wall = true;
 976
 977                                                 $owner = ['uid' => 0, 'id' => $this->getDataValue('owner-id'),
 978                                                         'network' => $this->getDataValue('owner-network'),
 979                                                         'url' => $this->getDataValue('owner-link')];
 980                                                 $this->owner_url = Contact::magicLinkByContact($owner);
 981                                         }
 982                                 }
 983                         }
 984                 }
 985
 986                 if (!$this->wall_to_wall) {
 987                         $this->setTemplate('wall');
 988                         $this->owner_url = '';
 989                         $this->owner_photo = '';
 990                         $this->owner_name = '';
 991                 }
 992         }
 993
 994         /**
 995          * @return boolean
 996          */
 997         private function isWallToWall()
 998         {
 999                 return $this->wall_to_wall;
1000         }
1001
1002         /**
1003          * @return string
1004          */
1005         private function getOwnerUrl()
1006         {
1007                 return $this->owner_url;
1008         }
1009
1010         /**
1011          * @return string
1012          */
1013         private function getOwnerName()
1014         {
1015                 return $this->owner_name;
1016         }
1017
1018         /**
1019          * @return boolean
1020          */
1021         private function isVisiting()
1022         {
1023                 return $this->visiting;
1024         }
1025 }