src/Object/Item.php

   1 <?php
   2 /**
   3  * @file src/Object/Item.php
   4  */
   5 namespace Friendica\Object;
   6
   7 use Friendica\BaseObject;
   8 use Friendica\Core\Config;
   9 use Friendica\Core\PConfig;
  10 use Friendica\Database\DBM;
  11 use Friendica\Object\Contact;
  12 use dba;
  13
  14 require_once 'include/text.php';
  15 require_once 'boot.php';
  16
  17 /**
  18  * An item
  19  */
  20 class Item extends BaseObject
  21 {
  22         private $data = array();
  23         private $template = null;
  24         private $available_templates = array(
  25                 'wall' => 'wall_thread.tpl',
  26                 'wall2wall' => 'wallwall_thread.tpl'
  27         );
  28         private $comment_box_template = 'comment_item.tpl';
  29         private $toplevel = false;
  30         private $writable = false;
  31         private $children = array();
  32         private $parent = null;
  33         private $conversation = null;
  34         private $redirect_url = null;
  35         private $owner_url = '';
  36         private $owner_photo = '';
  37         private $owner_name = '';
  38         private $wall_to_wall = false;
  39         private $threaded = false;
  40         private $visiting = false;
  41
  42         /**
  43          * Constructor
  44          *
  45          * @param array $data data array
  46          */
  47         public function __construct($data)
  48         {
  49                 $a = self::getApp();
  50
  51                 $this->data = $data;
  52                 $this->setTemplate('wall');
  53                 $this->toplevel = ($this->getId() == $this->getDataValue('parent'));
  54
  55                 if (is_array($_SESSION['remote'])) {
  56                         foreach ($_SESSION['remote'] as $visitor) {
  57                                 if ($visitor['cid'] == $this->getDataValue('contact-id')) {
  58                                         $this->visiting = true;
  59                                         break;
  60                                 }
  61                         }
  62                 }
  63
  64                 $this->writable = ($this->getDataValue('writable') || $this->getDataValue('self'));
  65
  66                 $ssl_state = ((local_user()) ? true : false);
  67                 $this->redirect_url = 'redir/' . $this->getDataValue('cid');
  68
  69                 if (!$this->isToplevel()) {
  70                         $this->threaded = true;
  71                 }
  72
  73                 // Prepare the children
  74                 if (count($data['children'])) {
  75                         foreach ($data['children'] as $item) {
  76                                 /*
  77                                  * Only add will be displayed
  78                                  */
  79                                 if ($item['network'] === NETWORK_MAIL && local_user() != $item['uid']) {
  80                                         continue;
  81                                 } elseif (! visible_activity($item)) {
  82                                         continue;
  83                                 }
  84
  85                                 // You can always comment on Diaspora items
  86                                 if (($item['network'] == NETWORK_DIASPORA) && (local_user() == $item['uid'])) {
  87                                         $item['writable'] = true;
  88                                 }
  89
  90                                 $item['pagedrop'] = $data['pagedrop'];
  91                                 $child = new Item($item);
  92                                 $this->addChild($child);
  93                         }
  94                 }
  95         }
  96
  97         /**
  98          * Get data in a form usable by a conversation template
  99          *
 100          * @param object  $conv_responses conversation responses
 101          * @param integer $thread_level   default = 1
 102          *
 103          * @return mixed The data requested on success
 104          *               false on failure
 105          */
 106         public function getTemplateData($conv_responses, $thread_level = 1)
 107         {
 108                 require_once "mod/proxy.php";
 109
 110                 $result = array();
 111
 112                 $a = self::getApp();
 113
 114                 $item = $this->getData();
 115                 $edited = false;
 116                 // If the time between "created" and "edited" differs we add
 117                 // a notice that the post was edited.
 118                 // Note: In some networks reshared items seem to have (sometimes) a difference
 119                 // between creation time and edit time of a second. Thats why we add the notice
 120                 // only if the difference is more than 1 second.
 121                 if (strtotime($item['edited']) - strtotime($item['created']) > 1) {
 122                         $edited = array(
 123                                 'label'    => t('This entry was edited'),
 124                                 'date'     => datetime_convert('UTC', date_default_timezone_get(), $item['edited'], 'r'),
 125                                 'relative' => relative_date($item['edited'])
 126                         );
 127                 }
 128                 $commentww = '';
 129                 $sparkle = '';
 130                 $buttons = '';
 131                 $dropping = false;
 132                 $star = false;
 133                 $ignore = false;
 134                 $isstarred = "unstarred";
 135                 $indent = '';
 136                 $shiny = '';
 137                 $osparkle = '';
 138                 $total_children = $this->countDescendants();
 139
 140                 $conv = $this->getConversation();
 141
 142                 $lock = ((($item['private'] == 1) || (($item['uid'] == local_user()) && (strlen($item['allow_cid']) || strlen($item['allow_gid'])
 143                         || strlen($item['deny_cid']) || strlen($item['deny_gid']))))
 144                         ? t('Private Message')
 145                         : false);
 146                 $shareable = ((($conv->getProfileOwner() == local_user()) && ($item['private'] != 1)) ? true : false);
 147                 if (local_user() && link_compare($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                 } else {
 154                         $edpost = false;
 155                 }
 156
 157                 if (($this->getDataValue('uid') == local_user()) || $this->isVisiting()) {
 158                         $dropping = true;
 159                 }
 160
 161                 $drop = array(
 162                         'dropping' => $dropping,
 163                         'pagedrop' => ((feature_enabled($conv->getProfileOwner(), 'multi_delete')) ? $item['pagedrop'] : ''),
 164                         'select'   => t('Select'),
 165                         'delete'   => t('Delete'),
 166                 );
 167
 168                 $filer = (($conv->getProfileOwner() == local_user()) ? t("save to folder") : false);
 169
 170                 $diff_author    = ((link_compare($item['url'], $item['author-link'])) ? false : true);
 171                 $profile_name   = htmlentities(((strlen($item['author-name'])) && $diff_author) ? $item['author-name'] : $item['name']);
 172                 if ($item['author-link'] && (! $item['author-name'])) {
 173                         $profile_name = $item['author-link'];
 174                 }
 175
 176                 $sp = false;
 177                 $profile_link = best_link_url($item, $sp);
 178                 if ($profile_link === 'mailbox') {
 179                         $profile_link = '';
 180                 }
 181
 182                 if ($sp) {
 183                         $sparkle = ' sparkle';
 184                 } else {
 185                         $profile_link = zrl($profile_link);
 186                 }
 187
 188                 if (!isset($item['author-thumb']) || ($item['author-thumb'] == "")) {
 189                         $author_contact = Contact::getDetailsByURL($item['author-link'], $conv->getProfileOwner());
 190                         if ($author_contact["thumb"]) {
 191                                 $item['author-thumb'] = $author_contact["thumb"];
 192                         } else {
 193                                 $item['author-thumb'] = $item['author-avatar'];
 194                         }
 195                 }
 196
 197                 if (!isset($item['owner-thumb']) || ($item['owner-thumb'] == "")) {
 198                         $owner_contact = Contact::getDetailsByURL($item['owner-link'], $conv->getProfileOwner());
 199                         if ($owner_contact["thumb"]) {
 200                                 $item['owner-thumb'] = $owner_contact["thumb"];
 201                         } else {
 202                                 $item['owner-thumb'] = $item['owner-avatar'];
 203                         }
 204                 }
 205
 206                 $locate = array('location' => $item['location'], 'coord' => $item['coord'], 'html' => '');
 207                 call_hooks('render_location', $locate);
 208                 $location = ((strlen($locate['html'])) ? $locate['html'] : render_location_dummy($locate));
 209
 210                 $tags=array();
 211                 $hashtags = array();
 212                 $mentions = array();
 213
 214                 /*foreach(explode(',',$item['tag']) as $tag){
 215                         $tag = trim($tag);
 216                         if ($tag!="") {
 217                                 $t = bbcode($tag);
 218                                 $tags[] = $t;
 219                                 if($t[0] == '#')
 220                                         $hashtags[] = $t;
 221                                 elseif($t[0] == '@')
 222                                         $mentions[] = $t;
 223                         }
 224                 }*/
 225
 226                 // process action responses - e.g. like/dislike/attend/agree/whatever
 227                 $response_verbs = array('like', 'dislike');
 228
 229                 if ($item['object-type'] === ACTIVITY_OBJ_EVENT) {
 230                         $response_verbs[] = 'attendyes';
 231                         $response_verbs[] = 'attendno';
 232                         $response_verbs[] = 'attendmaybe';
 233                         if ($conv->isWritable()) {
 234                                 $isevent = true;
 235                                 $attend = array( t('I will attend'), t('I will not attend'), t('I might attend'));
 236                         }
 237                 }
 238
 239                 $responses = get_responses($conv_responses, $response_verbs, $this, $item);
 240
 241                 foreach ($response_verbs as $value => $verbs) {
 242                         $responses[$verbs]['output']  = ((x($conv_responses[$verbs], $item['uri'])) ? format_like($conv_responses[$verbs][$item['uri']], $conv_responses[$verbs][$item['uri'] . '-l'], $verbs, $item['uri']) : '');
 243                 }
 244
 245                 /*
 246                  * We should avoid doing this all the time, but it depends on the conversation mode
 247                  * And the conv mode may change when we change the conv, or it changes its mode
 248                  * Maybe we should establish a way to be notified about conversation changes
 249                  */
 250                 $this->checkWallToWall();
 251
 252                 if ($this->isWallToWall() && ($this->getOwnerUrl() == $this->getRedirectUrl())) {
 253                         $osparkle = ' sparkle';
 254                 }
 255
 256                 if ($this->isToplevel()) {
 257                         if ($conv->getProfileOwner() == local_user()) {
 258                                 $isstarred = (($item['starred']) ? "starred" : "unstarred");
 259
 260                                 $star = array(
 261                                         'do'        => t("add star"),
 262                                         'undo'      => t("remove star"),
 263                                         'toggle'    => t("toggle star status"),
 264                                         'classdo'   => (($item['starred']) ? "hidden" : ""),
 265                                         'classundo' => (($item['starred']) ? "" : "hidden"),
 266                                         'starred'   =>  t('starred'),
 267                                 );
 268                                 $r = dba::select('thread', array('ignored'), array('uid' => $item['uid'], 'iid' => $item['id']), array('limit' => 1));
 269                                 if (DBM::is_result($r)) {
 270                                         $ignore = array(
 271                                                 'do'        => t("ignore thread"),
 272                                                 'undo'      => t("unignore thread"),
 273                                                 'toggle'    => t("toggle ignore status"),
 274                                                 'classdo'   => (($r['ignored']) ? "hidden" : ""),
 275                                                 'classundo' => (($r['ignored']) ? "" : "hidden"),
 276                                                 'ignored'   =>  t('ignored'),
 277                                         );
 278                                 }
 279
 280                                 $tagger = '';
 281                                 if (feature_enabled($conv->getProfileOwner(), 'commtag')) {
 282                                         $tagger = array(
 283                                                 'add'   => t("add tag"),
 284                                                 'class' => "",
 285                                         );
 286                                 }
 287                         }
 288                 } else {
 289                         $indent = 'comment';
 290                 }
 291
 292                 if ($conv->isWritable()) {
 293                         $buttons = array(
 294                                 'like' => array( t("I like this \x28toggle\x29"), t("like")),
 295                                 'dislike' => ((feature_enabled($conv->getProfileOwner(), 'dislike')) ? array( t("I don't like this \x28toggle\x29"), t("dislike")) : ''),
 296                         );
 297                         if ($shareable) {
 298                                 $buttons['share'] = array( t('Share this'), t('share'));
 299                         }
 300                 }
 301
 302                 $comment = $this->getCommentBox($indent);
 303
 304                 if (strcmp(datetime_convert('UTC', 'UTC', $item['created']), datetime_convert('UTC', 'UTC', 'now - 12 hours')) > 0) {
 305                         $shiny = 'shiny';
 306                 }
 307
 308                 localize_item($item);
 309
 310                 $body = prepare_body($item, true);
 311
 312                 list($categories, $folders) = get_cats_and_terms($item);
 313
 314                 $body_e       = $body;
 315                 $text_e       = strip_tags($body);
 316                 $name_e       = $profile_name;
 317                 $title_e      = $item['title'];
 318                 $location_e   = $location;
 319                 $owner_name_e = $this->getOwnerName();
 320
 321                 // Disable features that aren't available in several networks
 322
 323                 /// @todo Add NETWORK_DIASPORA when it will pass this information
 324                 if (!in_array($item["item_network"], array(NETWORK_DFRN)) && isset($buttons["dislike"])) {
 325                         unset($buttons["dislike"], $isevent);
 326                         $tagger = '';
 327                 }
 328
 329                 if (($item["item_network"] == NETWORK_FEED) && isset($buttons["like"])) {
 330                         unset($buttons["like"]);
 331                 }
 332
 333                 if (($item["item_network"] == NETWORK_MAIL) && isset($buttons["like"])) {
 334                         unset($buttons["like"]);
 335                 }
 336
 337                 $tmp_item = array(
 338                         'template'        => $this->getTemplate(),
 339                         'type'            => implode("", array_slice(explode("/", $item['verb']), -1)),
 340                         'tags'            => $item['tags'],
 341                         'hashtags'        => $item['hashtags'],
 342                         'mentions'        => $item['mentions'],
 343                         'txt_cats'        => t('Categories:'),
 344                         'txt_folders'     => t('Filed under:'),
 345                         'has_cats'        => ((count($categories)) ? 'true' : ''),
 346                         'has_folders'     => ((count($folders)) ? 'true' : ''),
 347                         'categories'      => $categories,
 348                         'folders'         => $folders,
 349                         'body'            => $body_e,
 350                         'text'            => $text_e,
 351                         'id'              => $this->getId(),
 352                         'guid'            => urlencode($item['guid']),
 353                         'isevent'         => $isevent,
 354                         'attend'          => $attend,
 355                         'linktitle'       => sprintf(t('View %s\'s profile @ %s'), $profile_name, ((strlen($item['author-link'])) ? $item['author-link'] : $item['url'])),
 356                         'olinktitle'      => sprintf(t('View %s\'s profile @ %s'), htmlentities($this->getOwnerName()), ((strlen($item['owner-link'])) ? $item['owner-link'] : $item['url'])),
 357                         'to'              => t('to'),
 358                         'via'             => t('via'),
 359                         'wall'            => t('Wall-to-Wall'),
 360                         'vwall'           => t('via Wall-To-Wall:'),
 361                         'profile_url'     => $profile_link,
 362                         'item_photo_menu' => item_photo_menu($item),
 363                         'name'            => $name_e,
 364                         'thumb'           => $a->remove_baseurl(proxy_url($item['author-thumb'], false, PROXY_SIZE_THUMB)),
 365                         'osparkle'        => $osparkle,
 366                         'sparkle'         => $sparkle,
 367                         'title'           => $title_e,
 368                         'localtime'       => datetime_convert('UTC', date_default_timezone_get(), $item['created'], 'r'),
 369                         'ago'             => (($item['app']) ? sprintf(t('%s from %s'), relative_date($item['created']), $item['app']) : relative_date($item['created'])),
 370                         'app'             => $item['app'],
 371                         'created'         => relative_date($item['created']),
 372                         'lock'            => $lock,
 373                         'location'        => $location_e,
 374                         'indent'          => $indent,
 375                         'shiny'           => $shiny,
 376                         'owner_url'       => $this->getOwnerUrl(),
 377                         'owner_photo'     => $a->remove_baseurl(proxy_url($item['owner-thumb'], false, PROXY_SIZE_THUMB)),
 378                         'owner_name'      => htmlentities($owner_name_e),
 379                         'plink'           => get_plink($item),
 380                         'edpost'          => ((feature_enabled($conv->getProfileOwner(), 'edit_posts')) ? $edpost : ''),
 381                         'isstarred'       => $isstarred,
 382                         'star'            => ((feature_enabled($conv->getProfileOwner(), 'star_posts')) ? $star : ''),
 383                         'ignore'          => ((feature_enabled($conv->getProfileOwner(), 'ignore_posts')) ? $ignore : ''),
 384                         'tagger'          => $tagger,
 385                         'filer'           => ((feature_enabled($conv->getProfileOwner(), 'filing')) ? $filer : ''),
 386                         'drop'            => $drop,
 387                         'vote'            => $buttons,
 388                         'like'            => $responses['like']['output'],
 389                         'dislike'         => $responses['dislike']['output'],
 390                         'responses'       => $responses,
 391                         'switchcomment'   => t('Comment'),
 392                         'comment'         => $comment,
 393                         'previewing'      => ($conv->isPreview() ? ' preview ' : ''),
 394                         'wait'            => t('Please wait'),
 395                         'thread_level'    => $thread_level,
 396                         'edited'          => $edited,
 397                         'network'         => $item["item_network"],
 398                         'network_name'    => network_to_name($item['item_network'], $profile_link),
 399                         'received'        => $item['received'],
 400                         'commented'       => $item['commented'],
 401                         'created_date'    => $item['created'],
 402                 );
 403
 404                 $arr = array('item' => $item, 'output' => $tmp_item);
 405                 call_hooks('display_item', $arr);
 406
 407                 $result = $arr['output'];
 408
 409                 $result['children'] = array();
 410                 $children = $this->getChildren();
 411                 $nb_children = count($children);
 412                 if ($nb_children > 0) {
 413                         foreach ($children as $child) {
 414                                 $result['children'][] = $child->getTemplateData($conv_responses, $thread_level + 1);
 415                         }
 416                         // Collapse
 417                         if (($nb_children > 2) || ($thread_level > 1)) {
 418                                 $result['children'][0]['comment_firstcollapsed'] = true;
 419                                 $result['children'][0]['num_comments'] = sprintf(tt('%d comment', '%d comments', $total_children), $total_children);
 420                                 $result['children'][0]['hidden_comments_num'] = $total_children;
 421                                 $result['children'][0]['hidden_comments_text'] = tt('comment', 'comments', $total_children);
 422                                 $result['children'][0]['hide_text'] = t('show more');
 423                                 if ($thread_level > 1) {
 424                                         $result['children'][$nb_children - 1]['comment_lastcollapsed'] = true;
 425                                 } else {
 426                                         $result['children'][$nb_children - 3]['comment_lastcollapsed'] = true;
 427                                 }
 428                         }
 429                 }
 430
 431                 if ($this->isToplevel()) {
 432                         $result['total_comments_num'] = "$total_children";
 433                         $result['total_comments_text'] = tt('comment', 'comments', $total_children);
 434                 }
 435
 436                 $result['private'] = $item['private'];
 437                 $result['toplevel'] = ($this->isToplevel() ? 'toplevel_item' : '');
 438
 439                 if ($this->isThreaded()) {
 440                         $result['flatten'] = false;
 441                         $result['threaded'] = true;
 442                 } else {
 443                         $result['flatten'] = true;
 444                         $result['threaded'] = false;
 445                 }
 446
 447                 return $result;
 448         }
 449
 450         /**
 451          * @return integer
 452          */
 453         public function getId()
 454         {
 455                 return $this->getDataValue('id');
 456         }
 457
 458         /**
 459          * @return boolean
 460          */
 461         public function isThreaded()
 462         {
 463                 return $this->threaded;
 464         }
 465
 466         /**
 467          * Add a child item
 468          *
 469          * @param object $item The child item to add
 470          *
 471          * @return mixed
 472          */
 473         public function addChild(Item $item)
 474         {
 475                 $item_id = $item->getId();
 476                 if (!$item_id) {
 477                         logger('[ERROR] Item::addChild : Item has no ID!!', LOGGER_DEBUG);
 478                         return false;
 479                 } elseif ($this->getChild($item->getId())) {
 480                         logger('[WARN] Item::addChild : Item already exists ('. $item->getId() .').', LOGGER_DEBUG);
 481                         return false;
 482                 }
 483                 /*
 484                  * Only add what will be displayed
 485                  */
 486                 if ($item->getDataValue('network') === NETWORK_MAIL && local_user() != $item->getDataValue('uid')) {
 487                         return false;
 488                 } elseif (activity_match($item->getDataValue('verb'), ACTIVITY_LIKE) || activity_match($item->getDataValue('verb'), ACTIVITY_DISLIKE)) {
 489                         return false;
 490                 }
 491
 492                 $item->setParent($this);
 493                 $this->children[] = $item;
 494
 495                 return end($this->children);
 496         }
 497
 498         /**
 499          * Get a child by its ID
 500          *
 501          * @param integer $id The child id
 502          *
 503          * @return mixed
 504          */
 505         public function getChild($id)
 506         {
 507                 foreach ($this->getChildren() as $child) {
 508                         if ($child->getId() == $id) {
 509                                 return $child;
 510                         }
 511                 }
 512
 513                 return null;
 514         }
 515
 516         /**
 517          * Get all our children
 518          *
 519          * @return object
 520          */
 521         public function getChildren()
 522         {
 523                 return $this->children;
 524         }
 525
 526         /**
 527          * Set our parent
 528          *
 529          * @param object $item The item to set as parent
 530          *
 531          * @return void
 532          */
 533         protected function setParent($item)
 534         {
 535                 $parent = $this->getParent();
 536                 if ($parent) {
 537                         $parent->removeChild($this);
 538                 }
 539
 540                 $this->parent = $item;
 541                 $this->setConversation($item->getConversation());
 542         }
 543
 544         /**
 545          * Remove our parent
 546          *
 547          * @return void
 548          */
 549         protected function removeParent()
 550         {
 551                 $this->parent = null;
 552                 $this->conversation = null;
 553         }
 554
 555         /**
 556          * Remove a child
 557          *
 558          * @param object $item The child to be removed
 559          *
 560          * @return boolean Success or failure
 561          */
 562         public function removeChild($item)
 563         {
 564                 $id = $item->getId();
 565                 foreach ($this->getChildren() as $key => $child) {
 566                         if ($child->getId() == $id) {
 567                                 $child->removeParent();
 568                                 unset($this->children[$key]);
 569                                 // Reindex the array, in order to make sure there won't be any trouble on loops using count()
 570                                 $this->children = array_values($this->children);
 571                                 return true;
 572                         }
 573                 }
 574                 logger('[WARN] Item::removeChild : Item is not a child ('. $id .').', LOGGER_DEBUG);
 575                 return false;
 576         }
 577
 578         /**
 579          * Get parent item
 580          *
 581          * @return object
 582          */
 583         protected function getParent()
 584         {
 585                 return $this->parent;
 586         }
 587
 588         /**
 589          * Set conversation
 590          *
 591          * @param object $conv The conversation
 592          *
 593          * @return void
 594          */
 595         public function setConversation($conv)
 596         {
 597                 $previous_mode = ($this->conversation ? $this->conversation->getMode() : '');
 598
 599                 $this->conversation = $conv;
 600
 601                 // Set it on our children too
 602                 foreach ($this->getChildren() as $child) {
 603                         $child->setConversation($conv);
 604                 }
 605         }
 606
 607         /**
 608          * Get conversation
 609          *
 610          * @return object
 611          */
 612         public function getConversation()
 613         {
 614                 return $this->conversation;
 615         }
 616
 617         /**
 618          * Get raw data
 619          *
 620          * We shouldn't need this
 621          *
 622          * @return array
 623          */
 624         public function getData()
 625         {
 626                 return $this->data;
 627         }
 628
 629         /**
 630          * Get a data value
 631          *
 632          * @param object $name key
 633          *
 634          * @return mixed value on success
 635          *               false on failure
 636          */
 637         public function getDataValue($name)
 638         {
 639                 if (!isset($this->data[$name])) {
 640                         // logger('[ERROR] Item::getDataValue : Item has no value name "'. $name .'".', LOGGER_DEBUG);
 641                         return false;
 642                 }
 643
 644                 return $this->data[$name];
 645         }
 646
 647         /**
 648          * Set template
 649          *
 650          * @param object $name template name
 651          *
 652          * @return void
 653          */
 654         private function setTemplate($name)
 655         {
 656                 if (!x($this->available_templates, $name)) {
 657                         logger('[ERROR] Item::setTemplate : Template not available ("'. $name .'").', LOGGER_DEBUG);
 658                         return false;
 659                 }
 660
 661                 $this->template = $this->available_templates[$name];
 662         }
 663
 664         /**
 665          * Get template
 666          *
 667          * @return object
 668          */
 669         private function getTemplate()
 670         {
 671                 return $this->template;
 672         }
 673
 674         /**
 675          * Check if this is a toplevel post
 676          *
 677          * @return boolean
 678          */
 679         private function isToplevel()
 680         {
 681                 return $this->toplevel;
 682         }
 683
 684         /**
 685          * Check if this is writable
 686          *
 687          * @return boolean
 688          */
 689         private function isWritable()
 690         {
 691                 $conv = $this->getConversation();
 692
 693                 if ($conv) {
 694                         // This will allow us to comment on wall-to-wall items owned by our friends
 695                         // and community forums even if somebody else wrote the post.
 696
 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->getConversation();
 750                 $template = get_markup_template($this->getCommentBoxTemplate());
 751                 $ww = '';
 752                 if (($conv->getMode() === 'network') && $this->isWallToWall()) {
 753                         $ww = 'ww';
 754                 }
 755
 756                 if ($conv->isWritable() && $this->isWritable()) {
 757                         $qc = $qcomment =  null;
 758
 759                         /*
 760                          * Hmmm, code depending on the presence of a particular plugin?
 761                          * This should be better if done by a hook
 762                          */
 763                         if (in_array('qcomment', $a->plugins)) {
 764                                 $qc = ((local_user()) ? PConfig::get(local_user(), 'qcomment', 'words') : null);
 765                                 $qcomment = (($qc) ? explode("\n", $qc) : null);
 766                         }
 767
 768                         $comment_box = replace_macros(
 769                                 $template,
 770                                 array(
 771                                 '$return_path' => $a->query_string,
 772                                 '$threaded'    => $this->isThreaded(),
 773                                 // '$jsreload'    => (($conv->getMode() === 'display') ? $_SESSION['return_url'] : ''),
 774                                 '$jsreload'    => '',
 775                                 '$type'        => (($conv->getMode() === 'profile') ? 'wall-comment' : 'net-comment'),
 776                                 '$id'          => $this->getId(),
 777                                 '$parent'      => $this->getId(),
 778                                 '$qcomment'    => $qcomment,
 779                                 '$profile_uid' =>  $conv->getProfileOwner(),
 780                                 '$mylink'      => $a->remove_baseurl($a->contact['url']),
 781                                 '$mytitle'     => t('This is you'),
 782                                 '$myphoto'     => $a->remove_baseurl($a->contact['thumb']),
 783                                 '$comment'     => t('Comment'),
 784                                 '$submit'      => t('Submit'),
 785                                 '$edbold'      => t('Bold'),
 786                                 '$editalic'    => t('Italic'),
 787                                 '$eduline'     => t('Underline'),
 788                                 '$edquote'     => t('Quote'),
 789                                 '$edcode'      => t('Code'),
 790                                 '$edimg'       => t('Image'),
 791                                 '$edurl'       => t('Link'),
 792                                 '$edvideo'     => t('Video'),
 793                                 '$preview'     => ((feature_enabled($conv->getProfileOwner(), 'preview')) ? t('Preview') : ''),
 794                                 '$indent'      => $indent,
 795                                 '$sourceapp'   => t($a->sourcename),
 796                                 '$ww'          => (($conv->getMode() === 'network') ? $ww : ''),
 797                                 '$rand_num'    => random_digits(12))
 798                         );
 799                 }
 800
 801                 return $comment_box;
 802         }
 803
 804         /**
 805          * @return string
 806          */
 807         private function getRedirectUrl()
 808         {
 809                 return $this->redirect_url;
 810         }
 811
 812         /**
 813          * Check if we are a wall to wall item and set the relevant properties
 814          *
 815          * @return void
 816          */
 817         protected function checkWallToWall()
 818         {
 819                 $a = self::getApp();
 820                 $conv = $this->getConversation();
 821                 $this->wall_to_wall = false;
 822
 823                 if ($this->isToplevel()) {
 824                         if ($conv->getMode() !== 'profile') {
 825                                 if ($this->getDataValue('wall') && !$this->getDataValue('self')) {
 826                                         // On the network page, I am the owner. On the display page it will be the profile owner.
 827                                         // This will have been stored in $a->page_contact by our calling page.
 828                                         // Put this person as the wall owner of the wall-to-wall notice.
 829
 830                                         $this->owner_url = zrl($a->page_contact['url']);
 831                                         $this->owner_photo = $a->page_contact['thumb'];
 832                                         $this->owner_name = $a->page_contact['name'];
 833                                         $this->wall_to_wall = true;
 834                                 } elseif ($this->getDataValue('owner-link')) {
 835                                         $owner_linkmatch = (($this->getDataValue('owner-link')) && link_compare($this->getDataValue('owner-link'), $this->getDataValue('author-link')));
 836                                         $alias_linkmatch = (($this->getDataValue('alias')) && link_compare($this->getDataValue('alias'), $this->getDataValue('author-link')));
 837                                         $owner_namematch = (($this->getDataValue('owner-name')) && $this->getDataValue('owner-name') == $this->getDataValue('author-name'));
 838
 839                                         if ((! $owner_linkmatch) && (! $alias_linkmatch) && (! $owner_namematch)) {
 840                                                 // The author url doesn't match the owner (typically the contact)
 841                                                 // and also doesn't match the contact alias.
 842                                                 // The name match is a hack to catch several weird cases where URLs are
 843                                                 // all over the park. It can be tricked, but this prevents you from
 844                                                 // seeing "Bob Smith to Bob Smith via Wall-to-wall" and you know darn
 845                                                 // well that it's the same Bob Smith.
 846
 847                                                 // But it could be somebody else with the same name. It just isn't highly likely.
 848
 849
 850                                                 $this->owner_photo = $this->getDataValue('owner-avatar');
 851                                                 $this->owner_name = $this->getDataValue('owner-name');
 852                                                 $this->wall_to_wall = true;
 853                                                 // If it is our contact, use a friendly redirect link
 854                                                 if ((link_compare($this->getDataValue('owner-link'), $this->getDataValue('url')))
 855                                                         && ($this->getDataValue('network') === NETWORK_DFRN)
 856                                                 ) {
 857                                                         $this->owner_url = $this->getRedirectUrl();
 858                                                 } else {
 859                                                         $this->owner_url = zrl($this->getDataValue('owner-link'));
 860                                                 }
 861                                         }
 862                                 }
 863                         }
 864                 }
 865
 866                 if (!$this->wall_to_wall) {
 867                         $this->setTemplate('wall');
 868                         $this->owner_url = '';
 869                         $this->owner_photo = '';
 870                         $this->owner_name = '';
 871                 }
 872         }
 873
 874         /**
 875          * @return boolean
 876          */
 877         private function isWallToWall()
 878         {
 879                 return $this->wall_to_wall;
 880         }
 881
 882         /**
 883          * @return string
 884          */
 885         private function getOwnerUrl()
 886         {
 887                 return $this->owner_url;
 888         }
 889
 890         /**
 891          * @return string
 892          */
 893         private function getOwnerPhoto()
 894         {
 895                 return $this->owner_photo;
 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 }