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