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