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