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\Feature;
   9 use Friendica\Core\PConfig;
  10 use Friendica\Database\DBM;
  11 use Friendica\Model\Contact;
  12 use dba;
  13
  14 require_once 'include/dba.php';
  15 require_once 'include/text.php';
  16 require_once 'boot.php';
  17 require_once 'include/conversation.php';
  18
  19 /**
  20  * An item
  21  */
  22 class Post extends BaseObject
  23 {
  24         private $data = array();
  25         private $template = null;
  26         private $available_templates = array(
  27                 'wall' => 'wall_thread.tpl',
  28                 'wall2wall' => 'wallwall_thread.tpl'
  29         );
  30         private $comment_box_template = 'comment_item.tpl';
  31         private $toplevel = false;
  32         private $writable = false;
  33         private $children = array();
  34         private $parent = null;
  35         private $thread = null;
  36         private $redirect_url = null;
  37         private $owner_url = '';
  38         private $owner_photo = '';
  39         private $owner_name = '';
  40         private $wall_to_wall = false;
  41         private $threaded = false;
  42         private $visiting = false;
  43
  44         /**
  45          * Constructor
  46          *
  47          * @param array $data data array
  48          */
  49         public function __construct(array $data)
  50         {
  51                 $a = self::getApp();
  52
  53                 $this->data = $data;
  54                 $this->setTemplate('wall');
  55                 $this->toplevel = ($this->getId() == $this->getDataValue('parent'));
  56
  57                 if (is_array($_SESSION['remote'])) {
  58                         foreach ($_SESSION['remote'] as $visitor) {
  59                                 if ($visitor['cid'] == $this->getDataValue('contact-id')) {
  60                                         $this->visiting = true;
  61                                         break;
  62                                 }
  63                         }
  64                 }
  65
  66                 $this->writable = ($this->getDataValue('writable') || $this->getDataValue('self'));
  67
  68                 $ssl_state = ((local_user()) ? true : false);
  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 $item) {
  78                                 /*
  79                                  * Only add will be displayed
  80                                  */
  81                                 if ($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 items
  88                                 if (($item['network'] == NETWORK_DIASPORA) && (local_user() == $item['uid'])) {
  89                                         $item['writable'] = true;
  90                                 }
  91
  92                                 $item['pagedrop'] = $data['pagedrop'];
  93                                 $child = new Post($item);
  94                                 $this->addChild($child);
  95                         }
  96                 }
  97         }
  98
  99         /**
 100          * Get data in a form usable by a conversation template
 101          *
 102          * @param object  $conv_responses conversation responses
 103          * @param integer $thread_level   default = 1
 104          *
 105          * @return mixed The data requested on success
 106          *               false on failure
 107          */
 108         public function getTemplateData($conv_responses, $thread_level = 1)
 109         {
 110                 require_once "mod/proxy.php";
 111
 112                 $result = array();
 113
 114                 $a = self::getApp();
 115
 116                 $item = $this->getData();
 117                 $edited = false;
 118                 // If the time between "created" and "edited" differs we add
 119                 // a notice that the post was edited.
 120                 // Note: In some networks reshared items seem to have (sometimes) a difference
 121                 // between creation time and edit time of a second. Thats why we add the notice
 122                 // only if the difference is more than 1 second.
 123                 if (strtotime($item['edited']) - strtotime($item['created']) > 1) {
 124                         $edited = array(
 125                                 'label'    => t('This entry was edited'),
 126                                 'date'     => datetime_convert('UTC', date_default_timezone_get(), $item['edited'], 'r'),
 127                                 'relative' => relative_date($item['edited'])
 128                         );
 129                 }
 130                 $commentww = '';
 131                 $sparkle = '';
 132                 $buttons = '';
 133                 $dropping = false;
 134                 $star = false;
 135                 $ignore = false;
 136                 $isstarred = "unstarred";
 137                 $indent = '';
 138                 $shiny = '';
 139                 $osparkle = '';
 140                 $total_children = $this->countDescendants();
 141
 142                 $conv = $this->getThread();
 143
 144                 $lock = ((($item['private'] == 1) || (($item['uid'] == local_user()) && (strlen($item['allow_cid']) || strlen($item['allow_gid'])
 145                         || strlen($item['deny_cid']) || strlen($item['deny_gid']))))
 146                         ? t('Private Message')
 147                         : false);
 148                 $shareable = ((in_array($conv->getProfileOwner(), [0, local_user()]) && ($item['private'] != 1)) ? true : false);
 149
 150                 if (local_user() && link_compare($a->contact['url'], $item['author-link'])) {
 151                         if ($item["event-id"] != 0) {
 152                                 $edpost = array("events/event/".$item['event-id'], t("Edit"));
 153                         } else {
 154                                 $edpost = array("editpost/".$item['id'], t("Edit"));
 155                         }
 156                 } else {
 157                         $edpost = false;
 158                 }
 159
 160                 if (($this->getDataValue('uid') == local_user()) || $this->isVisiting()) {
 161                         $dropping = true;
 162                 }
 163
 164                 $drop = array(
 165                         'dropping' => $dropping,
 166                         'pagedrop' => ((Feature::isEnabled($conv->getProfileOwner(), 'multi_delete')) ? $item['pagedrop'] : ''),
 167                         'select'   => t('Select'),
 168                         'delete'   => t('Delete'),
 169                 );
 170
 171                 $filer = (($conv->getProfileOwner() == local_user()) ? t("save to folder") : false);
 172
 173                 $diff_author    = ((link_compare($item['url'], $item['author-link'])) ? false : true);
 174                 $profile_name   = htmlentities(((strlen($item['author-name'])) && $diff_author) ? $item['author-name'] : $item['name']);
 175                 if ($item['author-link'] && (! $item['author-name'])) {
 176                         $profile_name = $item['author-link'];
 177                 }
 178
 179                 $sp = false;
 180                 $profile_link = best_link_url($item, $sp);
 181                 if ($profile_link === 'mailbox') {
 182                         $profile_link = '';
 183                 }
 184
 185                 if ($sp) {
 186                         $sparkle = ' sparkle';
 187                 } else {
 188                         $profile_link = zrl($profile_link);
 189                 }
 190
 191                 if (!isset($item['author-thumb']) || ($item['author-thumb'] == "")) {
 192                         $author_contact = Contact::getDetailsByURL($item['author-link'], $conv->getProfileOwner());
 193                         if ($author_contact["thumb"]) {
 194                                 $item['author-thumb'] = $author_contact["thumb"];
 195                         } else {
 196                                 $item['author-thumb'] = $item['author-avatar'];
 197                         }
 198                 }
 199
 200                 if (!isset($item['owner-thumb']) || ($item['owner-thumb'] == "")) {
 201                         $owner_contact = Contact::getDetailsByURL($item['owner-link'], $conv->getProfileOwner());
 202                         if ($owner_contact["thumb"]) {
 203                                 $item['owner-thumb'] = $owner_contact["thumb"];
 204                         } else {
 205                                 $item['owner-thumb'] = $item['owner-avatar'];
 206                         }
 207                 }
 208
 209                 $locate = array('location' => $item['location'], 'coord' => $item['coord'], 'html' => '');
 210                 call_hooks('render_location', $locate);
 211                 $location = ((strlen($locate['html'])) ? $locate['html'] : render_location_dummy($locate));
 212
 213                 $tags=array();
 214                 $hashtags = array();
 215                 $mentions = array();
 216
 217                 /*foreach(explode(',',$item['tag']) as $tag){
 218                         $tag = trim($tag);
 219                         if ($tag!="") {
 220                                 $t = bbcode($tag);
 221                                 $tags[] = $t;
 222                                 if($t[0] == '#')
 223                                         $hashtags[] = $t;
 224                                 elseif($t[0] == '@')
 225                                         $mentions[] = $t;
 226                         }
 227                 }*/
 228
 229                 // process action responses - e.g. like/dislike/attend/agree/whatever
 230                 $response_verbs = array('like', 'dislike');
 231
 232                 if ($item['object-type'] === ACTIVITY_OBJ_EVENT) {
 233                         $response_verbs[] = 'attendyes';
 234                         $response_verbs[] = 'attendno';
 235                         $response_verbs[] = 'attendmaybe';
 236                         if ($conv->isWritable()) {
 237                                 $isevent = true;
 238                                 $attend = array( t('I will attend'), t('I will not attend'), t('I might attend'));
 239                         }
 240                 }
 241
 242                 $responses = get_responses($conv_responses, $response_verbs, $this, $item);
 243
 244                 foreach ($response_verbs as $value => $verbs) {
 245                         $responses[$verbs]['output']  = ((x($conv_responses[$verbs], $item['uri'])) ? format_like($conv_responses[$verbs][$item['uri']], $conv_responses[$verbs][$item['uri'] . '-l'], $verbs, $item['uri']) : '');
 246                 }
 247
 248                 /*
 249                  * We should avoid doing this all the time, but it depends on the conversation mode
 250                  * And the conv mode may change when we change the conv, or it changes its mode
 251                  * Maybe we should establish a way to be notified about conversation changes
 252                  */
 253                 $this->checkWallToWall();
 254
 255                 if ($this->isWallToWall() && ($this->getOwnerUrl() == $this->getRedirectUrl())) {
 256                         $osparkle = ' sparkle';
 257                 }
 258
 259                 if ($this->isToplevel()) {
 260                         if ($conv->getProfileOwner() == local_user()) {
 261                                 $isstarred = (($item['starred']) ? "starred" : "unstarred");
 262
 263                                 $star = array(
 264                                         'do'        => t("add star"),
 265                                         'undo'      => t("remove star"),
 266                                         'toggle'    => t("toggle star status"),
 267                                         'classdo'   => (($item['starred']) ? "hidden" : ""),
 268                                         'classundo' => (($item['starred']) ? "" : "hidden"),
 269                                         'starred'   =>  t('starred'),
 270                                 );
 271                                 $r = dba::select('thread', array('ignored'), array('uid' => $item['uid'], 'iid' => $item['id']), array('limit' => 1));
 272                                 if (DBM::is_result($r)) {
 273                                         $ignore = array(
 274                                                 'do'        => t("ignore thread"),
 275                                                 'undo'      => t("unignore thread"),
 276                                                 'toggle'    => t("toggle ignore status"),
 277                                                 'classdo'   => (($r['ignored']) ? "hidden" : ""),
 278                                                 'classundo' => (($r['ignored']) ? "" : "hidden"),
 279                                                 'ignored'   =>  t('ignored'),
 280                                         );
 281                                 }
 282
 283                                 $tagger = '';
 284                                 if (Feature::isEnabled($conv->getProfileOwner(), 'commtag')) {
 285                                         $tagger = array(
 286                                                 'add'   => t("add tag"),
 287                                                 'class' => "",
 288                                         );
 289                                 }
 290                         }
 291                 } else {
 292                         $indent = 'comment';
 293                 }
 294
 295                 if ($conv->isWritable()) {
 296                         $buttons = array(
 297                                 'like' => array( t("I like this \x28toggle\x29"), t("like")),
 298                                 'dislike' => ((Feature::isEnabled($conv->getProfileOwner(), 'dislike')) ? array( t("I don't like this \x28toggle\x29"), t("dislike")) : ''),
 299                         );
 300                         if ($shareable) {
 301                                 $buttons['share'] = array( t('Share this'), t('share'));
 302                         }
 303                 }
 304
 305                 $comment = $this->getCommentBox($indent);
 306
 307                 if (strcmp(datetime_convert('UTC', 'UTC', $item['created']), datetime_convert('UTC', 'UTC', 'now - 12 hours')) > 0) {
 308                         $shiny = 'shiny';
 309                 }
 310
 311                 localize_item($item);
 312
 313                 $body = prepare_body($item, true);
 314
 315                 list($categories, $folders) = get_cats_and_terms($item);
 316
 317                 $body_e       = $body;
 318                 $text_e       = strip_tags($body);
 319                 $name_e       = $profile_name;
 320                 $title_e      = $item['title'];
 321                 $location_e   = $location;
 322                 $owner_name_e = $this->getOwnerName();
 323
 324                 // Disable features that aren't available in several networks
 325
 326                 /// @todo Add NETWORK_DIASPORA when it will pass this information
 327                 if (!in_array($item["item_network"], array(NETWORK_DFRN)) && isset($buttons["dislike"])) {
 328                         unset($buttons["dislike"], $isevent);
 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 = array(
 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'       => sprintf(t('View %s\'s profile @ %s'), $profile_name, ((strlen($item['author-link'])) ? $item['author-link'] : $item['url'])),
 359                         'olinktitle'      => sprintf(t('View %s\'s profile @ %s'), htmlentities($this->getOwnerName()), ((strlen($item['owner-link'])) ? $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']) ? sprintf(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'         => $item["item_network"],
 401                         'network_name'    => network_to_name($item['item_network'], $profile_link),
 402                         'received'        => $item['received'],
 403                         'commented'       => $item['commented'],
 404                         'created_date'    => $item['created'],
 405                 );
 406
 407                 $arr = array('item' => $item, 'output' => $tmp_item);
 408                 call_hooks('display_item', $arr);
 409
 410                 $result = $arr['output'];
 411
 412                 $result['children'] = array();
 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'] = sprintf(tt('%d comment', '%d comments', $total_children), $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
 700                         // bug #517 - this fixes for conversation owner
 701                         if ($conv->getMode() == 'profile' && $conv->getProfileOwner() == local_user()) {
 702                                 return true;
 703                         }
 704
 705                         // this fixes for visitors
 706                         return ($this->writable || ($this->isVisiting() && $conv->getMode() == 'profile'));
 707                 }
 708                 return $this->writable;
 709         }
 710
 711         /**
 712          * Count the total of our descendants
 713          *
 714          * @return integer
 715          */
 716         private function countDescendants()
 717         {
 718                 $children = $this->getChildren();
 719                 $total = count($children);
 720                 if ($total > 0) {
 721                         foreach ($children as $child) {
 722                                 $total += $child->countDescendants();
 723                         }
 724                 }
 725
 726                 return $total;
 727         }
 728
 729         /**
 730          * Get the template for the comment box
 731          *
 732          * @return string
 733          */
 734         private function getCommentBoxTemplate()
 735         {
 736                 return $this->comment_box_template;
 737         }
 738
 739         /**
 740          * Get the comment box
 741          *
 742          * @param string $indent Indent value
 743          *
 744          * @return mixed The comment box string (empty if no comment box)
 745          *               false on failure
 746          */
 747         private function getCommentBox($indent)
 748         {
 749                 $a = self::getApp();
 750
 751                 $comment_box = '';
 752                 $conv = $this->getThread();
 753                 $template = get_markup_template($this->getCommentBoxTemplate());
 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 plugin?
 764                          * This should be better if done by a hook
 765                          */
 766                         if (in_array('qcomment', $a->plugins)) {
 767                                 $qc = ((local_user()) ? PConfig::get(local_user(), 'qcomment', 'words') : null);
 768                                 $qcomment = (($qc) ? explode("\n", $qc) : null);
 769                         }
 770
 771                         $comment_box = replace_macros(
 772                                 $template,
 773                                 array(
 774                                 '$return_path' => $a->query_string,
 775                                 '$threaded'    => $this->isThreaded(),
 776                                 // '$jsreload'    => (($conv->getMode() === 'display') ? $_SESSION['return_url'] : ''),
 777                                 '$jsreload'    => '',
 778                                 '$type'        => (($conv->getMode() === 'profile') ? 'wall-comment' : 'net-comment'),
 779                                 '$id'          => $this->getId(),
 780                                 '$parent'      => $this->getId(),
 781                                 '$qcomment'    => $qcomment,
 782                                 '$profile_uid' =>  $conv->getProfileOwner(),
 783                                 '$mylink'      => $a->remove_baseurl($a->contact['url']),
 784                                 '$mytitle'     => t('This is you'),
 785                                 '$myphoto'     => $a->remove_baseurl($a->contact['thumb']),
 786                                 '$comment'     => t('Comment'),
 787                                 '$submit'      => t('Submit'),
 788                                 '$edbold'      => t('Bold'),
 789                                 '$editalic'    => t('Italic'),
 790                                 '$eduline'     => t('Underline'),
 791                                 '$edquote'     => t('Quote'),
 792                                 '$edcode'      => t('Code'),
 793                                 '$edimg'       => t('Image'),
 794                                 '$edurl'       => t('Link'),
 795                                 '$edvideo'     => t('Video'),
 796                                 '$preview'     => ((Feature::isEnabled($conv->getProfileOwner(), 'preview')) ? t('Preview') : ''),
 797                                 '$indent'      => $indent,
 798                                 '$sourceapp'   => t($a->sourcename),
 799                                 '$ww'          => (($conv->getMode() === 'network') ? $ww : ''),
 800                                 '$rand_num'    => random_digits(12))
 801                         );
 802                 }
 803
 804                 return $comment_box;
 805         }
 806
 807         /**
 808          * @return string
 809          */
 810         private function getRedirectUrl()
 811         {
 812                 return $this->redirect_url;
 813         }
 814
 815         /**
 816          * Check if we are a wall to wall item and set the relevant properties
 817          *
 818          * @return void
 819          */
 820         protected function checkWallToWall()
 821         {
 822                 $a = self::getApp();
 823                 $conv = $this->getThread();
 824                 $this->wall_to_wall = false;
 825
 826                 if ($this->isToplevel()) {
 827                         if ($conv->getMode() !== 'profile') {
 828                                 if ($this->getDataValue('wall') && !$this->getDataValue('self')) {
 829                                         // On the network page, I am the owner. On the display page it will be the profile owner.
 830                                         // This will have been stored in $a->page_contact by our calling page.
 831                                         // Put this person as the wall owner of the wall-to-wall notice.
 832
 833                                         $this->owner_url = zrl($a->page_contact['url']);
 834                                         $this->owner_photo = $a->page_contact['thumb'];
 835                                         $this->owner_name = $a->page_contact['name'];
 836                                         $this->wall_to_wall = true;
 837                                 } elseif ($this->getDataValue('owner-link')) {
 838                                         $owner_linkmatch = (($this->getDataValue('owner-link')) && link_compare($this->getDataValue('owner-link'), $this->getDataValue('author-link')));
 839                                         $alias_linkmatch = (($this->getDataValue('alias')) && link_compare($this->getDataValue('alias'), $this->getDataValue('author-link')));
 840                                         $owner_namematch = (($this->getDataValue('owner-name')) && $this->getDataValue('owner-name') == $this->getDataValue('author-name'));
 841
 842                                         if ((! $owner_linkmatch) && (! $alias_linkmatch) && (! $owner_namematch)) {
 843                                                 // The author url doesn't match the owner (typically the contact)
 844                                                 // and also doesn't match the contact alias.
 845                                                 // The name match is a hack to catch several weird cases where URLs are
 846                                                 // all over the park. It can be tricked, but this prevents you from
 847                                                 // seeing "Bob Smith to Bob Smith via Wall-to-wall" and you know darn
 848                                                 // well that it's the same Bob Smith.
 849
 850                                                 // But it could be somebody else with the same name. It just isn't highly likely.
 851
 852
 853                                                 $this->owner_photo = $this->getDataValue('owner-avatar');
 854                                                 $this->owner_name = $this->getDataValue('owner-name');
 855                                                 $this->wall_to_wall = true;
 856                                                 // If it is our contact, use a friendly redirect link
 857                                                 if ((link_compare($this->getDataValue('owner-link'), $this->getDataValue('url')))
 858                                                         && ($this->getDataValue('network') === NETWORK_DFRN)
 859                                                 ) {
 860                                                         $this->owner_url = $this->getRedirectUrl();
 861                                                 } else {
 862                                                         $this->owner_url = zrl($this->getDataValue('owner-link'));
 863                                                 }
 864                                         }
 865                                 }
 866                         }
 867                 }
 868
 869                 if (!$this->wall_to_wall) {
 870                         $this->setTemplate('wall');
 871                         $this->owner_url = '';
 872                         $this->owner_photo = '';
 873                         $this->owner_name = '';
 874                 }
 875         }
 876
 877         /**
 878          * @return boolean
 879          */
 880         private function isWallToWall()
 881         {
 882                 return $this->wall_to_wall;
 883         }
 884
 885         /**
 886          * @return string
 887          */
 888         private function getOwnerUrl()
 889         {
 890                 return $this->owner_url;
 891         }
 892
 893         /**
 894          * @return string
 895          */
 896         private function getOwnerName()
 897         {
 898                 return $this->owner_name;
 899         }
 900
 901         /**
 902          * @return boolean
 903          */
 904         private function isVisiting()
 905         {
 906                 return $this->visiting;
 907         }
 908 }