object/Item.php

   1 <?php
   2 if(class_exists('Item'))
   3         return;
   4
   5 require_once('object/BaseObject.php');
   6 require_once('include/text.php');
   7 require_once('include/diaspora.php');
   8 require_once('boot.php');
   9
  10 /**
  11  * An item
  12  */
  13 class Item extends BaseObject {
  14         private $data = array();
  15         private $template = null;
  16         private $available_templates = array(
  17                 'wall' => 'wall_thread.tpl',
  18                 'wall2wall' => 'wallwall_thread.tpl'
  19         );
  20         private $comment_box_template = 'comment_item.tpl';
  21         private $toplevel = false;
  22         private $writable = false;
  23         private $children = array();
  24         private $parent = null;
  25         private $conversation = null;
  26         private $redirect_url = null;
  27         private $owner_url = '';
  28         private $owner_photo = '';
  29         private $owner_name = '';
  30         private $wall_to_wall = false;
  31         private $threaded = false;
  32         private $visiting = false;
  33
  34         public function __construct($data) {
  35                 $a = $this->get_app();
  36
  37                 $this->data = $data;
  38                 $this->set_template('wall');
  39                 $this->toplevel = ($this->get_id() == $this->get_data_value('parent'));
  40
  41                 if(is_array($_SESSION['remote'])) {
  42                         foreach($_SESSION['remote'] as $visitor) {
  43                                 if($visitor['cid'] == $this->get_data_value('contact-id')) {
  44                                         $this->visiting = true;
  45                                         break;
  46                                 }
  47                         }
  48                 }
  49
  50                 $this->writable = ($this->get_data_value('writable') || $this->get_data_value('self'));
  51
  52                 $ssl_state = ((local_user()) ? true : false);
  53                 $this->redirect_url = $a->get_baseurl($ssl_state) . '/redir/' . $this->get_data_value('cid') ;
  54
  55                 if(get_config('system','thread_allow') && $a->theme_thread_allow && !$this->is_toplevel())
  56                         $this->threaded = true;
  57
  58                 // Prepare the children
  59                 if(count($data['children'])) {
  60                         foreach($data['children'] as $item) {
  61                                 /*
  62                                  * Only add will be displayed
  63                                  */
  64                                 if($item['network'] === NETWORK_MAIL && local_user() != $item['uid']) {
  65                                         continue;
  66                                 }
  67                                 if(! visible_activity($item)) {
  68                                         continue;
  69                                 }
  70                                 $item['pagedrop'] = $data['pagedrop'];
  71                                 $child = new Item($item);
  72                                 $this->add_child($child);
  73                         }
  74                 }
  75         }
  76
  77         /**
  78          * Get data in a form usable by a conversation template
  79          *
  80          * Returns:
  81          *      _ The data requested on success
  82          *      _ false on failure
  83          */
  84         public function get_template_data($alike, $dlike, $thread_level=1) {
  85                 require_once("mod/proxy.php");
  86
  87                 $result = array();
  88
  89                 $a = $this->get_app();
  90
  91                 $item = $this->get_data();
  92                 $edited = false;
  93                 if (strcmp($item['created'], $item['edited'])<>0) {
  94                       $edited = array(
  95                           'label' => t('This entry was edited'),
  96                           'date' => datetime_convert('UTC', date_default_timezone_get(), $item['edited'], 'r'),
  97                           'relative' => relative_date($item['edited'])
  98                       );
  99                 }
 100                 $commentww = '';
 101                 $sparkle = '';
 102                 $buttons = '';
 103                 $dropping = false;
 104                 $star = false;
 105                 $ignore = false;
 106                 $isstarred = "unstarred";
 107                 $indent = '';
 108                 $shiny = '';
 109                 $osparkle = '';
 110                 $total_children = $this->count_descendants();
 111
 112                 $conv = $this->get_conversation();
 113
 114
 115                 $lock = ((($item['private'] == 1) || (($item['uid'] == local_user()) && (strlen($item['allow_cid']) || strlen($item['allow_gid'])
 116                         || strlen($item['deny_cid']) || strlen($item['deny_gid']))))
 117                         ? t('Private Message')
 118                         : false);
 119                 $shareable = ((($conv->get_profile_owner() == local_user()) && ($item['private'] != 1)) ? true : false);
 120                 if(local_user() && link_compare($a->contact['url'],$item['author-link']))
 121                         $edpost = array($a->get_baseurl($ssl_state)."/editpost/".$item['id'], t("Edit"));
 122                 else
 123                         $edpost = false;
 124                 if(($this->get_data_value('uid') == local_user()) || $this->is_visiting())
 125                         $dropping = true;
 126
 127                 $drop = array(
 128                         'dropping' => $dropping,
 129                         'pagedrop' => ((feature_enabled($conv->get_profile_owner(),'multi_delete')) ? $item['pagedrop'] : ''),
 130                         'select' => t('Select'),
 131                         'delete' => t('Delete'),
 132                 );
 133
 134                 $filer = (($conv->get_profile_owner() == local_user()) ? t("save to folder") : false);
 135
 136                 $diff_author    = ((link_compare($item['url'],$item['author-link'])) ? false : true);
 137                 $profile_name   = htmlentities(((strlen($item['author-name']))   && $diff_author) ? $item['author-name']   : $item['name']);
 138                 if($item['author-link'] && (! $item['author-name']))
 139                         $profile_name = $item['author-link'];
 140
 141                 $sp = false;
 142                 $profile_link = best_link_url($item,$sp);
 143                 if($profile_link === 'mailbox')
 144                         $profile_link = '';
 145                 if($sp)
 146                         $sparkle = ' sparkle';
 147                 else
 148                         $profile_link = zrl($profile_link);
 149
 150                 $normalised = normalise_link((strlen($item['author-link'])) ? $item['author-link'] : $item['url']);
 151                 if(($normalised != 'mailbox') && (x($a->contacts,$normalised)))
 152                         $profile_avatar = $a->contacts[$normalised]['thumb'];
 153                 else
 154                         $profile_avatar = (((strlen($item['author-avatar'])) && $diff_author) ? $item['author-avatar'] : $a->get_cached_avatar_image($this->get_data_value('thumb')));
 155
 156                 $locate = array('location' => $item['location'], 'coord' => $item['coord'], 'html' => '');
 157                 call_hooks('render_location',$locate);
 158                 $location = ((strlen($locate['html'])) ? $locate['html'] : render_location_dummy($locate));
 159
 160                 $searchpath = $a->get_baseurl()."/search?tag=";
 161                 $tags=array();
 162                 $hashtags = array();
 163                 $mentions = array();
 164
 165
 166                 /*foreach(explode(',',$item['tag']) as $tag){
 167                         $tag = trim($tag);
 168                         if ($tag!="") {
 169                                 $t = bbcode($tag);
 170                                 $tags[] = $t;
 171                                 if($t[0] == '#')
 172                                         $hashtags[] = $t;
 173                                 elseif($t[0] == '@')
 174                                         $mentions[] = $t;
 175                         }
 176                 }*/
 177
 178                 $like    = ((x($alike,$item['uri'])) ? format_like($alike[$item['uri']],$alike[$item['uri'] . '-l'],'like',$item['uri']) : '');
 179                 $dislike = ((x($dlike,$item['uri'])) ? format_like($dlike[$item['uri']],$dlike[$item['uri'] . '-l'],'dislike',$item['uri']) : '');
 180
 181                 /*
 182                  * We should avoid doing this all the time, but it depends on the conversation mode
 183                  * And the conv mode may change when we change the conv, or it changes its mode
 184                  * Maybe we should establish a way to be notified about conversation changes
 185                  */
 186                 $this->check_wall_to_wall();
 187
 188                 if($this->is_wall_to_wall() && ($this->get_owner_url() == $this->get_redirect_url()))
 189                         $osparkle = ' sparkle';
 190
 191                 if($this->is_toplevel()) {
 192                         if($conv->get_profile_owner() == local_user()) {
 193                                 $isstarred = (($item['starred']) ? "starred" : "unstarred");
 194
 195                                 $star = array(
 196                                         'do' => t("add star"),
 197                                         'undo' => t("remove star"),
 198                                         'toggle' => t("toggle star status"),
 199                                         'classdo' => (($item['starred']) ? "hidden" : ""),
 200                                         'classundo' => (($item['starred']) ? "" : "hidden"),
 201                                         'starred' =>  t('starred'),
 202                                 );
 203                                 $r = q("SELECT `ignored` FROM `thread` WHERE `uid` = %d AND `iid` = %d LIMIT 1",
 204                                         intval($item['uid']),
 205                                         intval($item['id'])
 206                                 );
 207                                 if (count($r)) {
 208                                         $ignore = array(
 209                                                 'do' => t("ignore thread"),
 210                                                 'undo' => t("unignore thread"),
 211                                                 'toggle' => t("toggle ignore status"),
 212                                                 'classdo' => (($r[0]['ignored']) ? "hidden" : ""),
 213                                                 'classundo' => (($r[0]['ignored']) ? "" : "hidden"),
 214                                                 'ignored' =>  t('ignored'),
 215                                         );
 216                                 }
 217
 218                                 $tagger = '';
 219                                 if(feature_enabled($conv->get_profile_owner(),'commtag')) {
 220                                         $tagger = array(
 221                                                 'add' => t("add tag"),
 222                                                 'class' => "",
 223                                         );
 224                                 }
 225                         }
 226                 } else {
 227                         $indent = 'comment';
 228                 }
 229
 230                 if($conv->is_writable()) {
 231                         $buttons = array(
 232                                 'like' => array( t("I like this \x28toggle\x29"), t("like")),
 233                                 'dislike' => ((feature_enabled($conv->get_profile_owner(),'dislike')) ? array( t("I don't like this \x28toggle\x29"), t("dislike")) : ''),
 234                         );
 235                         if ($shareable) $buttons['share'] = array( t('Share this'), t('share'));
 236                 }
 237
 238                 $comment = $this->get_comment_box($indent);
 239
 240                 if(strcmp(datetime_convert('UTC','UTC',$item['created']),datetime_convert('UTC','UTC','now - 12 hours')) > 0){
 241                         $shiny = 'shiny';
 242                 }
 243
 244                 localize_item($item);
 245
 246                 if ($item["postopts"] and !get_config("system", "suppress_language")) {
 247                         //$langdata = explode(";", $item["postopts"]);
 248                         //$langstr = substr($langdata[0], 5)." (".round($langdata[1]*100, 1)."%)";
 249                         $langstr = "";
 250                         if (substr($item["postopts"], 0, 5) == "lang=") {
 251                                 $postopts = substr($item["postopts"], 5);
 252
 253                                 $languages = explode(":", $postopts);
 254
 255                                 if (sizeof($languages) == 1) {
 256                                         $languages = array();
 257                                         $languages[] = $postopts;
 258                                 }
 259
 260                                 foreach ($languages as $language) {
 261                                         $langdata = explode(";", $language);
 262                                         if ($langstr != "")
 263                                                 $langstr .= ", ";
 264
 265                                         //$langstr .= $langdata[0]." (".round($langdata[1]*100, 1)."%)";
 266                                         $langstr .= round($langdata[1]*100, 1)."% ".$langdata[0];
 267                                 }
 268                         }
 269                 }
 270
 271                 $body = prepare_body($item,true);
 272
 273                 list($categories, $folders) = get_cats_and_terms($item);
 274
 275                 if($a->theme['template_engine'] === 'internal') {
 276                         $body_e = template_escape($body);
 277                         $text_e = strip_tags(template_escape($body));
 278                         $name_e = template_escape($profile_name);
 279                         $title_e = template_escape($item['title']);
 280                         $location_e = template_escape($location);
 281                         $owner_name_e = template_escape($this->get_owner_name());
 282                 }
 283                 else {
 284                         $body_e = $body;
 285                         $text_e = strip_tags($body);
 286                         $name_e = $profile_name;
 287                         $title_e = $item['title'];
 288                         $location_e = $location;
 289                         $owner_name_e = $this->get_owner_name();
 290                 }
 291
 292                 // Disable features that aren't available in several networks
 293                 if (($item["item_network"] != NETWORK_DFRN) AND isset($buttons["dislike"])) {
 294                         unset($buttons["dislike"]);
 295                         $tagger = '';
 296                 }
 297
 298                 if (($item["item_network"] == NETWORK_FEED) AND isset($buttons["like"]))
 299                         unset($buttons["like"]);
 300
 301                 if (($item["item_network"] == NETWORK_MAIL) AND isset($buttons["like"]))
 302                         unset($buttons["like"]);
 303
 304                 // Diaspora isn't able to do likes on comments - but red does
 305                 if (($item["item_network"] == NETWORK_DIASPORA) AND ($indent == 'comment') AND
 306                         !diaspora_is_redmatrix($item["owner-link"]) AND isset($buttons["like"]))
 307                         unset($buttons["like"]);
 308
 309                 // Diaspora doesn't has multithreaded comments
 310                 if (($item["item_network"] == NETWORK_DIASPORA) AND ($indent == 'comment'))
 311                         unset($comment);
 312
 313                 // Facebook can like comments - but it isn't programmed in the connector yet.
 314                 if (($item["item_network"] == NETWORK_FACEBOOK) AND ($indent == 'comment') AND isset($buttons["like"]))
 315                         unset($buttons["like"]);
 316
 317                 $tmp_item = array(
 318                         'template' => $this->get_template(),
 319
 320                         'type' => implode("",array_slice(explode("/",$item['verb']),-1)),
 321                         'tags' => $item['tags'],
 322                         'hashtags' => $item['hashtags'],
 323                         'mentions' => $item['mentions'],
 324                         'txt_cats' => t('Categories:'),
 325                         'txt_folders' => t('Filed under:'),
 326                         'has_cats' => ((count($categories)) ? 'true' : ''),
 327                         'has_folders' => ((count($folders)) ? 'true' : ''),
 328                         'categories' => $categories,
 329                         'folders' => $folders,
 330                         'body' => $body_e,
 331                         'text' => $text_e,
 332                         'id' => $this->get_id(),
 333                         'guid' => urlencode($item['guid']),
 334                         'linktitle' => sprintf( t('View %s\'s profile @ %s'), $profile_name, ((strlen($item['author-link'])) ? $item['author-link'] : $item['url'])),
 335                         'olinktitle' => sprintf( t('View %s\'s profile @ %s'), htmlentities($this->get_owner_name()), ((strlen($item['owner-link'])) ? $item['owner-link'] : $item['url'])),
 336                         'to' => t('to'),
 337                         'via' => t('via'),
 338                         'wall' => t('Wall-to-Wall'),
 339                         'vwall' => t('via Wall-To-Wall:'),
 340                         'profile_url' => $profile_link,
 341                         'item_photo_menu' => item_photo_menu($item),
 342                         'name' => $name_e,
 343                         'thumb' => proxy_url($profile_avatar, false, PROXY_SIZE_THUMB),
 344                         'osparkle' => $osparkle,
 345                         'sparkle' => $sparkle,
 346                         'title' => $title_e,
 347                         'localtime' => datetime_convert('UTC', date_default_timezone_get(), $item['created'], 'r'),
 348                         'ago' => (($item['app']) ? sprintf( t('%s from %s'),relative_date($item['created']),$item['app']) : relative_date($item['created'])),
 349                         'app' => $item['app'],
 350                         'created' => relative_date($item['created']),
 351                         'lock' => $lock,
 352                         'location' => $location_e,
 353                         'indent' => $indent,
 354                         'shiny' => $shiny,
 355                         'owner_url' => $this->get_owner_url(),
 356                         'owner_photo' => proxy_url($this->get_owner_photo(), false, PROXY_SIZE_THUMB),
 357                         'owner_name' => htmlentities($owner_name_e),
 358                         'plink' => get_plink($item),
 359                         'edpost'    => ((feature_enabled($conv->get_profile_owner(),'edit_posts')) ? $edpost : ''),
 360                         'isstarred' => $isstarred,
 361                         'star'      => ((feature_enabled($conv->get_profile_owner(),'star_posts')) ? $star : ''),
 362                         'ignore'      => ((feature_enabled($conv->get_profile_owner(),'ignore_posts')) ? $ignore : ''),
 363                         'tagger'        => $tagger,
 364                         'filer'     => ((feature_enabled($conv->get_profile_owner(),'filing')) ? $filer : ''),
 365                         'drop' => $drop,
 366                         'vote' => $buttons,
 367                         'like' => $like,
 368                         'dislike'   => $dislike,
 369                         'switchcomment' => t('Comment'),
 370                         'comment' => $comment,
 371                         'previewing' => ($conv->is_preview() ? ' preview ' : ''),
 372                         'wait' => t('Please wait'),
 373                         'thread_level' => $thread_level,
 374                         'postopts' => $langstr,
 375                         'edited' => $edited,
 376                         'network' => $item["item_network"],
 377                         'network_name' => network_to_name($item['item_network'], $profile_link),
 378                 );
 379
 380                 $arr = array('item' => $item, 'output' => $tmp_item);
 381                 call_hooks('display_item', $arr);
 382
 383                 $result = $arr['output'];
 384
 385                 $result['children'] = array();
 386                 $children = $this->get_children();
 387                 $nb_children = count($children);
 388                 if($nb_children > 0) {
 389                         foreach($children as $child) {
 390                                 $result['children'][] = $child->get_template_data($alike, $dlike, $thread_level + 1);
 391                         }
 392                         // Collapse
 393                         if(($nb_children > 2) || ($thread_level > 1)) {
 394                                 $result['children'][0]['comment_firstcollapsed'] = true;
 395                                 $result['children'][0]['num_comments'] = sprintf( tt('%d comment','%d comments',$total_children),$total_children );
 396                                 $result['children'][0]['hidden_comments_num'] = $total_children;
 397                                 $result['children'][0]['hidden_comments_text'] = tt('comment', 'comments', $total_children);
 398                                 $result['children'][0]['hide_text'] = t('show more');
 399                                 if($thread_level > 1) {
 400                                         $result['children'][$nb_children - 1]['comment_lastcollapsed'] = true;
 401                                 }
 402                                 else {
 403                                         $result['children'][$nb_children - 3]['comment_lastcollapsed'] = true;
 404                                 }
 405                         }
 406                 }
 407
 408         if ($this->is_toplevel()) {
 409             $result['total_comments_num'] = "$total_children";
 410             $result['total_comments_text'] = tt('comment', 'comments', $total_children);
 411         }
 412
 413                 $result['private'] = $item['private'];
 414                 $result['toplevel'] = ($this->is_toplevel() ? 'toplevel_item' : '');
 415
 416                 if($this->is_threaded()) {
 417                         $result['flatten'] = false;
 418                         $result['threaded'] = true;
 419                 }
 420                 else {
 421                         $result['flatten'] = true;
 422                         $result['threaded'] = false;
 423                 }
 424
 425                 return $result;
 426         }
 427
 428         public function get_id() {
 429                 return $this->get_data_value('id');
 430         }
 431
 432         public function is_threaded() {
 433                 return $this->threaded;
 434         }
 435
 436         /**
 437          * Add a child item
 438          */
 439         public function add_child($item) {
 440                 $item_id = $item->get_id();
 441                 if(!$item_id) {
 442                         logger('[ERROR] Item::add_child : Item has no ID!!', LOGGER_DEBUG);
 443                         return false;
 444                 }
 445                 if($this->get_child($item->get_id())) {
 446                         logger('[WARN] Item::add_child : Item already exists ('. $item->get_id() .').', LOGGER_DEBUG);
 447                         return false;
 448                 }
 449                 /*
 450                  * Only add what will be displayed
 451                  */
 452                 if($item->get_data_value('network') === NETWORK_MAIL && local_user() != $item->get_data_value('uid')) {
 453                         return false;
 454                 }
 455                 if(activity_match($item->get_data_value('verb'),ACTIVITY_LIKE) || activity_match($item->get_data_value('verb'),ACTIVITY_DISLIKE)) {
 456                         return false;
 457                 }
 458
 459                 $item->set_parent($this);
 460                 $this->children[] = $item;
 461                 return end($this->children);
 462         }
 463
 464         /**
 465          * Get a child by its ID
 466          */
 467         public function get_child($id) {
 468                 foreach($this->get_children() as $child) {
 469                         if($child->get_id() == $id)
 470                                 return $child;
 471                 }
 472                 return null;
 473         }
 474
 475         /**
 476          * Get all ou children
 477          */
 478         public function get_children() {
 479                 return $this->children;
 480         }
 481
 482         /**
 483          * Set our parent
 484          */
 485         protected function set_parent($item) {
 486                 $parent = $this->get_parent();
 487                 if($parent) {
 488                         $parent->remove_child($this);
 489                 }
 490                 $this->parent = $item;
 491                 $this->set_conversation($item->get_conversation());
 492         }
 493
 494         /**
 495          * Remove our parent
 496          */
 497         protected function remove_parent() {
 498                 $this->parent = null;
 499                 $this->conversation = null;
 500         }
 501
 502         /**
 503          * Remove a child
 504          */
 505         public function remove_child($item) {
 506                 $id = $item->get_id();
 507                 foreach($this->get_children() as $key => $child) {
 508                         if($child->get_id() == $id) {
 509                                 $child->remove_parent();
 510                                 unset($this->children[$key]);
 511                                 // Reindex the array, in order to make sure there won't be any trouble on loops using count()
 512                                 $this->children = array_values($this->children);
 513                                 return true;
 514                         }
 515                 }
 516                 logger('[WARN] Item::remove_child : Item is not a child ('. $id .').', LOGGER_DEBUG);
 517                 return false;
 518         }
 519
 520         /**
 521          * Get parent item
 522          */
 523         protected function get_parent() {
 524                 return $this->parent;
 525         }
 526
 527         /**
 528          * set conversation
 529          */
 530         public function set_conversation($conv) {
 531                 $previous_mode = ($this->conversation ? $this->conversation->get_mode() : '');
 532
 533                 $this->conversation = $conv;
 534
 535                 // Set it on our children too
 536                 foreach($this->get_children() as $child)
 537                         $child->set_conversation($conv);
 538         }
 539
 540         /**
 541          * get conversation
 542          */
 543         public function get_conversation() {
 544                 return $this->conversation;
 545         }
 546
 547         /**
 548          * Get raw data
 549          *
 550          * We shouldn't need this
 551          */
 552         public function get_data() {
 553                 return $this->data;
 554         }
 555
 556         /**
 557          * Get a data value
 558          *
 559          * Returns:
 560          *      _ value on success
 561          *      _ false on failure
 562          */
 563         public function get_data_value($name) {
 564                 if(!isset($this->data[$name])) {
 565 //                      logger('[ERROR] Item::get_data_value : Item has no value name "'. $name .'".', LOGGER_DEBUG);
 566                         return false;
 567                 }
 568
 569                 return $this->data[$name];
 570         }
 571
 572         /**
 573          * Set template
 574          */
 575         private function set_template($name) {
 576                 $a = get_app();
 577
 578                 if(!x($this->available_templates, $name)) {
 579                         logger('[ERROR] Item::set_template : Template not available ("'. $name .'").', LOGGER_DEBUG);
 580                         return false;
 581                 }
 582
 583                 $this->template = $this->available_templates[$name];
 584         }
 585
 586         /**
 587          * Get template
 588          */
 589         private function get_template() {
 590                 return $this->template;
 591         }
 592
 593         /**
 594          * Check if this is a toplevel post
 595          */
 596         private function is_toplevel() {
 597                 return $this->toplevel;
 598         }
 599
 600         /**
 601          * Check if this is writable
 602          */
 603         private function is_writable() {
 604                 $conv = $this->get_conversation();
 605
 606                 if($conv) {
 607                         // This will allow us to comment on wall-to-wall items owned by our friends
 608                         // and community forums even if somebody else wrote the post.
 609
 610                         // bug #517 - this fixes for conversation owner
 611                         if($conv->get_mode() == 'profile' && $conv->get_profile_owner() == local_user())
 612                                 return true;
 613
 614                         // this fixes for visitors
 615                         return ($this->writable || ($this->is_visiting() && $conv->get_mode() == 'profile'));
 616                 }
 617                 return $this->writable;
 618         }
 619
 620         /**
 621          * Count the total of our descendants
 622          */
 623         private function count_descendants() {
 624                 $children = $this->get_children();
 625                 $total = count($children);
 626                 if($total > 0) {
 627                         foreach($children as $child) {
 628                                 $total += $child->count_descendants();
 629                         }
 630                 }
 631                 return $total;
 632         }
 633
 634         /**
 635          * Get the template for the comment box
 636          */
 637         private function get_comment_box_template() {
 638                 return $this->comment_box_template;
 639         }
 640
 641         /**
 642          * Get the comment box
 643          *
 644          * Returns:
 645          *      _ The comment box string (empty if no comment box)
 646          *      _ false on failure
 647          */
 648         private function get_comment_box($indent) {
 649                 $a = $this->get_app();
 650                 if(!$this->is_toplevel() && !(get_config('system','thread_allow') && $a->theme_thread_allow)) {
 651                         return '';
 652                 }
 653
 654                 $comment_box = '';
 655                 $conv = $this->get_conversation();
 656                 $template = get_markup_template($this->get_comment_box_template());
 657                 $ww = '';
 658                 if( ($conv->get_mode() === 'network') && $this->is_wall_to_wall() )
 659                         $ww = 'ww';
 660
 661                 if($conv->is_writable() && $this->is_writable()) {
 662                         $qc = $qcomment =  null;
 663
 664                         /*
 665                          * Hmmm, code depending on the presence of a particular plugin?
 666                          * This should be better if done by a hook
 667                          */
 668                         if(in_array('qcomment',$a->plugins)) {
 669                                 $qc = ((local_user()) ? get_pconfig(local_user(),'qcomment','words') : null);
 670                                 $qcomment = (($qc) ? explode("\n",$qc) : null);
 671                         }
 672                         $comment_box = replace_macros($template,array(
 673                                 '$return_path' => $a->query_string,
 674                                 '$threaded' => $this->is_threaded(),
 675 //                              '$jsreload' => (($conv->get_mode() === 'display') ? $_SESSION['return_url'] : ''),
 676                                 '$jsreload' => '',
 677                                 '$type' => (($conv->get_mode() === 'profile') ? 'wall-comment' : 'net-comment'),
 678                                 '$id' => $this->get_id(),
 679                                 '$parent' => $this->get_id(),
 680                                 '$qcomment' => $qcomment,
 681                                 '$profile_uid' =>  $conv->get_profile_owner(),
 682                                 '$mylink' => $a->contact['url'],
 683                                 '$mytitle' => t('This is you'),
 684                                 '$myphoto' => $a->contact['thumb'],
 685                                 '$comment' => t('Comment'),
 686                                 '$submit' => t('Submit'),
 687                                 '$edbold' => t('Bold'),
 688                                 '$editalic' => t('Italic'),
 689                                 '$eduline' => t('Underline'),
 690                                 '$edquote' => t('Quote'),
 691                                 '$edcode' => t('Code'),
 692                                 '$edimg' => t('Image'),
 693                                 '$edurl' => t('Link'),
 694                                 '$edvideo' => t('Video'),
 695                                 '$preview' => ((feature_enabled($conv->get_profile_owner(),'preview')) ? t('Preview') : ''),
 696                                 '$indent' => $indent,
 697                                 '$sourceapp' => t($a->sourcename),
 698                                 '$ww' => (($conv->get_mode() === 'network') ? $ww : ''),
 699                                 '$rand_num' => random_digits(12)
 700                         ));
 701                 }
 702
 703                 return $comment_box;
 704         }
 705
 706         private function get_redirect_url() {
 707                 return $this->redirect_url;
 708         }
 709
 710         /**
 711          * Check if we are a wall to wall item and set the relevant properties
 712          */
 713         protected function check_wall_to_wall() {
 714                 $a = $this->get_app();
 715                 $conv = $this->get_conversation();
 716                 $this->wall_to_wall = false;
 717
 718                 if($this->is_toplevel()) {
 719                         if($conv->get_mode() !== 'profile') {
 720                                 if($this->get_data_value('wall') AND !$this->get_data_value('self')) {
 721                                         // On the network page, I am the owner. On the display page it will be the profile owner.
 722                                         // This will have been stored in $a->page_contact by our calling page.
 723                                         // Put this person as the wall owner of the wall-to-wall notice.
 724
 725                                         $this->owner_url = zrl($a->page_contact['url']);
 726                                         $this->owner_photo = $a->page_contact['thumb'];
 727                                         $this->owner_name = $a->page_contact['name'];
 728                                         $this->wall_to_wall = true;
 729                                 }
 730                                 else if($this->get_data_value('owner-link')) {
 731
 732                                         $owner_linkmatch = (($this->get_data_value('owner-link')) && link_compare($this->get_data_value('owner-link'),$this->get_data_value('author-link')));
 733                                         $alias_linkmatch = (($this->get_data_value('alias')) && link_compare($this->get_data_value('alias'),$this->get_data_value('author-link')));
 734                                         $owner_namematch = (($this->get_data_value('owner-name')) && $this->get_data_value('owner-name') == $this->get_data_value('author-name'));
 735
 736                                         if((! $owner_linkmatch) && (! $alias_linkmatch) && (! $owner_namematch)) {
 737
 738                                                 // The author url doesn't match the owner (typically the contact)
 739                                                 // and also doesn't match the contact alias.
 740                                                 // The name match is a hack to catch several weird cases where URLs are
 741                                                 // all over the park. It can be tricked, but this prevents you from
 742                                                 // seeing "Bob Smith to Bob Smith via Wall-to-wall" and you know darn
 743                                                 // well that it's the same Bob Smith.
 744
 745                                                 // But it could be somebody else with the same name. It just isn't highly likely.
 746
 747
 748                                                 $this->owner_photo = $this->get_data_value('owner-avatar');
 749                                                 $this->owner_name = $this->get_data_value('owner-name');
 750                                                 $this->wall_to_wall = true;
 751                                                 // If it is our contact, use a friendly redirect link
 752                                                 if((link_compare($this->get_data_value('owner-link'),$this->get_data_value('url')))
 753                                                         && ($this->get_data_value('network') === NETWORK_DFRN)) {
 754                                                         $this->owner_url = $this->get_redirect_url();
 755                                                 }
 756                                                 else
 757                                                         $this->owner_url = zrl($this->get_data_value('owner-link'));
 758                                         }
 759                                 }
 760                         }
 761                 }
 762
 763                 if(!$this->wall_to_wall) {
 764                         $this->set_template('wall');
 765                         $this->owner_url = '';
 766                         $this->owner_photo = '';
 767                         $this->owner_name = '';
 768                 }
 769         }
 770
 771         private function is_wall_to_wall() {
 772                 return $this->wall_to_wall;
 773         }
 774
 775         private function get_owner_url() {
 776                 return $this->owner_url;
 777         }
 778
 779         private function get_owner_photo() {
 780                 return $this->owner_photo;
 781         }
 782
 783         private function get_owner_name() {
 784                 return $this->owner_name;
 785         }
 786
 787         private function is_visiting() {
 788                 return $this->visiting;
 789         }
 790
 791
 792
 793
 794 }
 795 ?>