src/Object/Post.php

   1 <?php
   2 /**
   3  * @file src/Object/Post.php
   4  */
   5 namespace Friendica\Object;
   6
   7 use Friendica\BaseObject;
   8 use Friendica\Content\ContactSelector;
   9 use Friendica\Content\Feature;
  10 use Friendica\Core\Addon;
  11 use Friendica\Core\Config;
  12 use Friendica\Core\L10n;
  13 use Friendica\Core\Logger;
  14 use Friendica\Core\PConfig;
  15 use Friendica\Core\Protocol;
  16 use Friendica\Core\Renderer;
  17 use Friendica\Database\DBA;
  18 use Friendica\Model\Contact;
  19 use Friendica\Model\Item;
  20 use Friendica\Model\Term;
  21 use Friendica\Util\Crypto;
  22 use Friendica\Util\DateTimeFormat;
  23 use Friendica\Util\Proxy as ProxyUtils;
  24 use Friendica\Util\Temporal;
  25
  26 require_once 'include/dba.php';
  27 require_once 'include/text.php';
  28 require_once 'boot.php';
  29 require_once 'include/conversation.php';
  30
  31 /**
  32  * An item
  33  */
  34 class Post extends BaseObject
  35 {
  36         private $data = [];
  37         private $template = null;
  38         private $available_templates = [
  39                 'wall' => 'wall_thread.tpl',
  40                 'wall2wall' => 'wallwall_thread.tpl'
  41         ];
  42         private $comment_box_template = 'comment_item.tpl';
  43         private $toplevel = false;
  44         private $writable = false;
  45         private $children = [];
  46         private $parent = null;
  47         private $thread = null;
  48         private $redirect_url = null;
  49         private $owner_url = '';
  50         private $owner_photo = '';
  51         private $owner_name = '';
  52         private $wall_to_wall = false;
  53         private $threaded = false;
  54         private $visiting = false;
  55
  56         /**
  57          * Constructor
  58          *
  59          * @param array $data data array
  60          */
  61         public function __construct(array $data)
  62         {
  63                 $a = self::getApp();
  64
  65                 $this->data = $data;
  66                 $this->setTemplate('wall');
  67                 $this->toplevel = $this->getId() == $this->getDataValue('parent');
  68
  69                 if (x($_SESSION, 'remote') && is_array($_SESSION['remote'])) {
  70                         foreach ($_SESSION['remote'] as $visitor) {
  71                                 if ($visitor['cid'] == $this->getDataValue('contact-id')) {
  72                                         $this->visiting = true;
  73                                         break;
  74                                 }
  75                         }
  76                 }
  77
  78                 $this->writable = $this->getDataValue('writable') || $this->getDataValue('self');
  79                 $author = ['uid' => 0, 'id' => $this->getDataValue('author-id'),
  80                         'network' => $this->getDataValue('author-network'),
  81                         'url' => $this->getDataValue('author-link')];
  82                 $this->redirect_url = Contact::magicLinkbyContact($author);
  83                 if (!$this->isToplevel()) {
  84                         $this->threaded = true;
  85                 }
  86
  87                 // Prepare the children
  88                 if (!empty($data['children'])) {
  89                         foreach ($data['children'] as $item) {
  90                                 // Only add will be displayed
  91                                 if ($item['network'] === Protocol::MAIL && local_user() != $item['uid']) {
  92                                         continue;
  93                                 } elseif (!visible_activity($item)) {
  94                                         continue;
  95                                 }
  96
  97                                 // You can always comment on Diaspora and OStatus items
  98                                 if (in_array($item['network'], [Protocol::OSTATUS, Protocol::DIASPORA]) && (local_user() == $item['uid'])) {
  99                                         $item['writable'] = true;
 100                                 }
 101
 102                                 $item['pagedrop'] = $data['pagedrop'];
 103                                 $child = new Post($item);
 104                                 $this->addChild($child);
 105                         }
 106                 }
 107         }
 108
 109         /**
 110          * Get data in a form usable by a conversation template
 111          *
 112          * @param object  $conv_responses conversation responses
 113          * @param integer $thread_level   default = 1
 114          *
 115          * @return mixed The data requested on success
 116          *               false on failure
 117          */
 118         public function getTemplateData($conv_responses, $thread_level = 1)
 119         {
 120                 $result = [];
 121
 122                 $a = self::getApp();
 123
 124                 $item = $this->getData();
 125                 $edited = false;
 126                 // If the time between "created" and "edited" differs we add
 127                 // a notice that the post was edited.
 128                 // Note: In some networks reshared items seem to have (sometimes) a difference
 129                 // between creation time and edit time of a second. Thats why we add the notice
 130                 // only if the difference is more than 1 second.
 131                 if (strtotime($item['edited']) - strtotime($item['created']) > 1) {
 132                         $edited = [
 133                                 'label'    => L10n::t('This entry was edited'),
 134                                 'date'     => DateTimeFormat::local($item['edited'], 'r'),
 135                                 'relative' => Temporal::getRelativeDate($item['edited'])
 136                         ];
 137                 }
 138                 $commentww = '';
 139                 $sparkle = '';
 140                 $buttons = '';
 141                 $dropping = false;
 142                 $star = false;
 143                 $ignore = false;
 144                 $isstarred = "unstarred";
 145                 $indent = '';
 146                 $shiny = '';
 147                 $osparkle = '';
 148                 $total_children = $this->countDescendants();
 149
 150                 $conv = $this->getThread();
 151
 152                 $lock = ((($item['private'] == 1) || (($item['uid'] == local_user()) && (strlen($item['allow_cid']) || strlen($item['allow_gid'])
 153                         || strlen($item['deny_cid']) || strlen($item['deny_gid']))))
 154                         ? L10n::t('Private Message')
 155                         : false);
 156
 157                 $shareable = in_array($conv->getProfileOwner(), [0, local_user()]) && $item['private'] != 1;
 158
 159                 if (local_user() && link_compare($a->contact['url'], $item['author-link'])) {
 160                         if ($item["event-id"] != 0) {
 161                                 $edpost = ["events/event/" . $item['event-id'], L10n::t("Edit")];
 162                         } else {
 163                                 $edpost = ["editpost/" . $item['id'], L10n::t("Edit")];
 164                         }
 165                         $dropping = in_array($item['uid'], [0, local_user()]);
 166                 } else {
 167                         $edpost = false;
 168                 }
 169
 170                 // Editing on items of not subscribed users isn't currently possible
 171                 // There are some issues on editing that prevent this.
 172                 // But also it is an issue of the supported protocols that doesn't allow editing at all.
 173                 if ($item['uid'] == 0) {
 174                         $edpost = false;
 175                 }
 176
 177                 if (($this->getDataValue('uid') == local_user()) || $this->isVisiting()) {
 178                         $dropping = true;
 179                 }
 180
 181                 $origin = $item['origin'];
 182
 183                 if (!$origin) {
 184                         /// @todo This shouldn't be done as query here, but better during the data creation.
 185                         // it is now done here, since during the RC phase we shouldn't make to intense changes.
 186                         $parent = Item::selectFirst(['origin'], ['id' => $item['parent']]);
 187                         if (DBA::isResult($parent)) {
 188                                 $origin = $parent['origin'];
 189                         }
 190                 }
 191
 192                 // Showing the one or the other text, depending upon if we can only hide it or really delete it.
 193                 $delete = $origin ? L10n::t('Delete globally') : L10n::t('Remove locally');
 194
 195                 $drop = [
 196                         'dropping' => $dropping,
 197                         'pagedrop' => ((Feature::isEnabled($conv->getProfileOwner(), 'multi_delete')) ? $item['pagedrop'] : ''),
 198                         'select'   => L10n::t('Select'),
 199                         'delete'   => $delete,
 200                 ];
 201
 202                 if (!local_user() || ($item['uid'] == 0)) {
 203                         $drop = false;
 204                 }
 205
 206                 $filer = (($conv->getProfileOwner() == local_user() && ($item['uid'] != 0)) ? L10n::t("save to folder") : false);
 207
 208                 $profile_name = htmlentities($item['author-name']);
 209                 if (!empty($item['author-link']) && empty($item['author-name'])) {
 210                         $profile_name = $item['author-link'];
 211                 }
 212
 213                 $author = ['uid' => 0, 'id' => $item['author-id'],
 214                         'network' => $item['author-network'], 'url' => $item['author-link']];
 215
 216                 if (local_user() || remote_user()) {
 217                         $profile_link = Contact::magicLinkbyContact($author);
 218                 } else {
 219                         $profile_link = $item['author-link'];
 220                 }
 221
 222                 if (strpos($profile_link, 'redir/') === 0) {
 223                         $sparkle = ' sparkle';
 224                 }
 225
 226                 $locate = ['location' => $item['location'], 'coord' => $item['coord'], 'html' => ''];
 227                 Addon::callHooks('render_location', $locate);
 228                 $location = ((strlen($locate['html'])) ? $locate['html'] : render_location_dummy($locate));
 229
 230                 // process action responses - e.g. like/dislike/attend/agree/whatever
 231                 $response_verbs = ['like', 'dislike'];
 232
 233                 $isevent = false;
 234                 $attend = [];
 235                 if ($item['object-type'] === ACTIVITY_OBJ_EVENT) {
 236                         $response_verbs[] = 'attendyes';
 237                         $response_verbs[] = 'attendno';
 238                         $response_verbs[] = 'attendmaybe';
 239                         if ($conv->isWritable()) {
 240                                 $isevent = true;
 241                                 $attend = [L10n::t('I will attend'), L10n::t('I will not attend'), L10n::t('I might attend')];
 242                         }
 243                 }
 244
 245                 $responses = get_responses($conv_responses, $response_verbs, $this, $item);
 246
 247                 foreach ($response_verbs as $value => $verbs) {
 248                         $responses[$verbs]['output'] = x($conv_responses[$verbs], $item['uri']) ? format_like($conv_responses[$verbs][$item['uri']], $conv_responses[$verbs][$item['uri'] . '-l'], $verbs, $item['uri']) : '';
 249                 }
 250
 251                 /*
 252                  * We should avoid doing this all the time, but it depends on the conversation mode
 253                  * And the conv mode may change when we change the conv, or it changes its mode
 254                  * Maybe we should establish a way to be notified about conversation changes
 255                  */
 256                 $this->checkWallToWall();
 257
 258                 if ($this->isWallToWall() && ($this->getOwnerUrl() == $this->getRedirectUrl())) {
 259                         $osparkle = ' sparkle';
 260                 }
 261
 262                 $tagger = '';
 263
 264                 if ($this->isToplevel()) {
 265                         $thread = Item::selectFirstThreadForUser(local_user(), ['ignored'], ['iid' => $item['id']]);
 266                         if (DBA::isResult($thread)) {
 267                                 $ignore = [
 268                                         'do'        => L10n::t("ignore thread"),
 269                                         'undo'      => L10n::t("unignore thread"),
 270                                         'toggle'    => L10n::t("toggle ignore status"),
 271                                         'classdo'   => $thread['ignored'] ? "hidden" : "",
 272                                         'classundo' => $thread['ignored'] ? "" : "hidden",
 273                                         'ignored'   => L10n::t('ignored'),
 274                                 ];
 275                         }
 276
 277                         if ($conv->getProfileOwner() == local_user() && ($item['uid'] != 0)) {
 278                                 $isstarred = (($item['starred']) ? "starred" : "unstarred");
 279
 280                                 $star = [
 281                                         'do'        => L10n::t("add star"),
 282                                         'undo'      => L10n::t("remove star"),
 283                                         'toggle'    => L10n::t("toggle star status"),
 284                                         'classdo'   => $item['starred'] ? "hidden" : "",
 285                                         'classundo' => $item['starred'] ? "" : "hidden",
 286                                         'starred'   => L10n::t('starred'),
 287                                 ];
 288
 289                                 if (Feature::isEnabled($conv->getProfileOwner(), 'commtag')) {
 290                                         $tagger = [
 291                                                 'add'   => L10n::t("add tag"),
 292                                                 'class' => "",
 293                                         ];
 294                                 }
 295                         }
 296                 } else {
 297                         $indent = 'comment';
 298                 }
 299
 300                 if ($conv->isWritable()) {
 301                         $buttons = [
 302                                 'like'    => [L10n::t("I like this \x28toggle\x29"), L10n::t("like")],
 303                                 'dislike' => Feature::isEnabled($conv->getProfileOwner(), 'dislike') ? [L10n::t("I don't like this \x28toggle\x29"), L10n::t("dislike")] : '',
 304                         ];
 305                         if ($shareable) {
 306                                 $buttons['share'] = [L10n::t('Share this'), L10n::t('share')];
 307                         }
 308                 }
 309
 310                 $comment = $this->getCommentBox($indent);
 311
 312                 if (strcmp(DateTimeFormat::utc($item['created']), DateTimeFormat::utc('now - 12 hours')) > 0) {
 313                         $shiny = 'shiny';
 314                 }
 315
 316                 localize_item($item);
 317
 318                 $body = Item::prepareBody($item, true);
 319
 320                 list($categories, $folders) = get_cats_and_terms($item);
 321
 322                 $body_e       = $body;
 323                 $text_e       = strip_tags($body);
 324                 $name_e       = $profile_name;
 325
 326                 if (!empty($item['content-warning']) && PConfig::get(local_user(), 'system', 'disable_cw', false)) {
 327                         $title_e = ucfirst($item['content-warning']);
 328                 } else {
 329                         $title_e = $item['title'];
 330                 }
 331
 332                 $location_e   = $location;
 333                 $owner_name_e = $this->getOwnerName();
 334
 335                 // Disable features that aren't available in several networks
 336                 if (!in_array($item["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA]) && isset($buttons["dislike"])) {
 337                         unset($buttons["dislike"]);
 338                         $isevent = false;
 339                         $tagger = '';
 340                 }
 341
 342                 if (($item["network"] == Protocol::FEED) && isset($buttons["like"])) {
 343                         unset($buttons["like"]);
 344                 }
 345
 346                 if (($item["network"] == Protocol::MAIL) && isset($buttons["like"])) {
 347                         unset($buttons["like"]);
 348                 }
 349
 350                 $tags = Term::populateTagsFromItem($item);
 351
 352                 $tmp_item = [
 353                         'template'        => $this->getTemplate(),
 354                         'type'            => implode("", array_slice(explode("/", $item['verb']), -1)),
 355                         'suppress_tags'   => Config::get('system', 'suppress_tags'),
 356                         'tags'            => $tags['tags'],
 357                         'hashtags'        => $tags['hashtags'],
 358                         'mentions'        => $tags['mentions'],
 359                         'txt_cats'        => L10n::t('Categories:'),
 360                         'txt_folders'     => L10n::t('Filed under:'),
 361                         'has_cats'        => ((count($categories)) ? 'true' : ''),
 362                         'has_folders'     => ((count($folders)) ? 'true' : ''),
 363                         'categories'      => $categories,
 364                         'folders'         => $folders,
 365                         'body'            => $body_e,
 366                         'text'            => $text_e,
 367                         'id'              => $this->getId(),
 368                         'guid'            => urlencode($item['guid']),
 369                         'isevent'         => $isevent,
 370                         'attend'          => $attend,
 371                         'linktitle'       => L10n::t('View %s\'s profile @ %s', $profile_name, $item['author-link']),
 372                         'olinktitle'      => L10n::t('View %s\'s profile @ %s', htmlentities($this->getOwnerName()), $item['owner-link']),
 373                         'to'              => L10n::t('to'),
 374                         'via'             => L10n::t('via'),
 375                         'wall'            => L10n::t('Wall-to-Wall'),
 376                         'vwall'           => L10n::t('via Wall-To-Wall:'),
 377                         'profile_url'     => $profile_link,
 378                         'item_photo_menu' => item_photo_menu($item),
 379                         'name'            => $name_e,
 380                         'thumb'           => $a->removeBaseURL(ProxyUtils::proxifyUrl($item['author-avatar'], false, ProxyUtils::SIZE_THUMB)),
 381                         'osparkle'        => $osparkle,
 382                         'sparkle'         => $sparkle,
 383                         'title'           => $title_e,
 384                         'localtime'       => DateTimeFormat::local($item['created'], 'r'),
 385                         'ago'             => $item['app'] ? L10n::t('%s from %s', Temporal::getRelativeDate($item['created']), $item['app']) : Temporal::getRelativeDate($item['created']),
 386                         'app'             => $item['app'],
 387                         'created'         => Temporal::getRelativeDate($item['created']),
 388                         'lock'            => $lock,
 389                         'location'        => $location_e,
 390                         'indent'          => $indent,
 391                         'shiny'           => $shiny,
 392                         'owner_url'       => $this->getOwnerUrl(),
 393                         'owner_photo'     => $a->removeBaseURL(ProxyUtils::proxifyUrl($item['owner-avatar'], false, ProxyUtils::SIZE_THUMB)),
 394                         'owner_name'      => htmlentities($owner_name_e),
 395                         'plink'           => get_plink($item),
 396                         'edpost'          => Feature::isEnabled($conv->getProfileOwner(), 'edit_posts') ? $edpost : '',
 397                         'isstarred'       => $isstarred,
 398                         'star'            => Feature::isEnabled($conv->getProfileOwner(), 'star_posts') ? $star : '',
 399                         'ignore'          => Feature::isEnabled($conv->getProfileOwner(), 'ignore_posts') ? $ignore : '',
 400                         'tagger'          => $tagger,
 401                         'filer'           => Feature::isEnabled($conv->getProfileOwner(), 'filing') ? $filer : '',
 402                         'drop'            => $drop,
 403                         'vote'            => $buttons,
 404                         'like'            => $responses['like']['output'],
 405                         'dislike'         => $responses['dislike']['output'],
 406                         'responses'       => $responses,
 407                         'switchcomment'   => L10n::t('Comment'),
 408                         'comment'         => $comment,
 409                         'previewing'      => $conv->isPreview() ? ' preview ' : '',
 410                         'wait'            => L10n::t('Please wait'),
 411                         'thread_level'    => $thread_level,
 412                         'edited'          => $edited,
 413                         'network'         => $item["network"],
 414                         'network_name'    => ContactSelector::networkToName($item['network'], $item['author-link']),
 415                         'received'        => $item['received'],
 416                         'commented'       => $item['commented'],
 417                         'created_date'    => $item['created'],
 418                         'return'          => ($a->cmd) ? bin2hex($a->cmd) : '',
 419                 ];
 420
 421                 $arr = ['item' => $item, 'output' => $tmp_item];
 422                 Addon::callHooks('display_item', $arr);
 423
 424                 $result = $arr['output'];
 425
 426                 $result['children'] = [];
 427                 $children = $this->getChildren();
 428                 $nb_children = count($children);
 429                 if ($nb_children > 0) {
 430                         foreach ($children as $child) {
 431                                 $result['children'][] = $child->getTemplateData($conv_responses, $thread_level + 1);
 432                         }
 433                         // Collapse
 434                         if (($nb_children > 2) || ($thread_level > 1)) {
 435                                 $result['children'][0]['comment_firstcollapsed'] = true;
 436                                 $result['children'][0]['num_comments'] = L10n::tt('%d comment', '%d comments', $total_children);
 437                                 $result['children'][0]['hidden_comments_num'] = $total_children;
 438                                 $result['children'][0]['hidden_comments_text'] = L10n::tt('comment', 'comments', $total_children);
 439                                 $result['children'][0]['hide_text'] = L10n::t('show more');
 440                                 if ($thread_level > 1) {
 441                                         $result['children'][$nb_children - 1]['comment_lastcollapsed'] = true;
 442                                 } else {
 443                                         $result['children'][$nb_children - 3]['comment_lastcollapsed'] = true;
 444                                 }
 445                         }
 446                 }
 447
 448                 if ($this->isToplevel()) {
 449                         $result['total_comments_num'] = "$total_children";
 450                         $result['total_comments_text'] = L10n::tt('comment', 'comments', $total_children);
 451                 }
 452
 453                 $result['private'] = $item['private'];
 454                 $result['toplevel'] = ($this->isToplevel() ? 'toplevel_item' : '');
 455
 456                 if ($this->isThreaded()) {
 457                         $result['flatten'] = false;
 458                         $result['threaded'] = true;
 459                 } else {
 460                         $result['flatten'] = true;
 461                         $result['threaded'] = false;
 462                 }
 463
 464                 return $result;
 465         }
 466
 467         /**
 468          * @return integer
 469          */
 470         public function getId()
 471         {
 472                 return $this->getDataValue('id');
 473         }
 474
 475         /**
 476          * @return boolean
 477          */
 478         public function isThreaded()
 479         {
 480                 return $this->threaded;
 481         }
 482
 483         /**
 484          * Add a child item
 485          *
 486          * @param object $item The child item to add
 487          *
 488          * @return mixed
 489          */
 490         public function addChild(Post $item)
 491         {
 492                 $item_id = $item->getId();
 493                 if (!$item_id) {
 494                         Logger::log('[ERROR] Post::addChild : Item has no ID!!', Logger::DEBUG);
 495                         return false;
 496                 } elseif ($this->getChild($item->getId())) {
 497                         Logger::log('[WARN] Post::addChild : Item already exists (' . $item->getId() . ').', Logger::DEBUG);
 498                         return false;
 499                 }
 500                 /*
 501                  * Only add what will be displayed
 502                  */
 503                 if ($item->getDataValue('network') === Protocol::MAIL && local_user() != $item->getDataValue('uid')) {
 504                         return false;
 505                 } elseif (activity_match($item->getDataValue('verb'), ACTIVITY_LIKE) || activity_match($item->getDataValue('verb'), ACTIVITY_DISLIKE)) {
 506                         return false;
 507                 }
 508
 509                 $item->setParent($this);
 510                 $this->children[] = $item;
 511
 512                 return end($this->children);
 513         }
 514
 515         /**
 516          * Get a child by its ID
 517          *
 518          * @param integer $id The child id
 519          *
 520          * @return mixed
 521          */
 522         public function getChild($id)
 523         {
 524                 foreach ($this->getChildren() as $child) {
 525                         if ($child->getId() == $id) {
 526                                 return $child;
 527                         }
 528                 }
 529
 530                 return null;
 531         }
 532
 533         /**
 534          * Get all our children
 535          *
 536          * @return object
 537          */
 538         public function getChildren()
 539         {
 540                 return $this->children;
 541         }
 542
 543         /**
 544          * Set our parent
 545          *
 546          * @param object $item The item to set as parent
 547          *
 548          * @return void
 549          */
 550         protected function setParent($item)
 551         {
 552                 $parent = $this->getParent();
 553                 if ($parent) {
 554                         $parent->removeChild($this);
 555                 }
 556
 557                 $this->parent = $item;
 558                 $this->setThread($item->getThread());
 559         }
 560
 561         /**
 562          * Remove our parent
 563          *
 564          * @return void
 565          */
 566         protected function removeParent()
 567         {
 568                 $this->parent = null;
 569                 $this->thread = null;
 570         }
 571
 572         /**
 573          * Remove a child
 574          *
 575          * @param object $item The child to be removed
 576          *
 577          * @return boolean Success or failure
 578          */
 579         public function removeChild($item)
 580         {
 581                 $id = $item->getId();
 582                 foreach ($this->getChildren() as $key => $child) {
 583                         if ($child->getId() == $id) {
 584                                 $child->removeParent();
 585                                 unset($this->children[$key]);
 586                                 // Reindex the array, in order to make sure there won't be any trouble on loops using count()
 587                                 $this->children = array_values($this->children);
 588                                 return true;
 589                         }
 590                 }
 591                 Logger::log('[WARN] Item::removeChild : Item is not a child (' . $id . ').', Logger::DEBUG);
 592                 return false;
 593         }
 594
 595         /**
 596          * Get parent item
 597          *
 598          * @return object
 599          */
 600         protected function getParent()
 601         {
 602                 return $this->parent;
 603         }
 604
 605         /**
 606          * Set conversation
 607          *
 608          * @param object $conv The conversation
 609          *
 610          * @return void
 611          */
 612         public function setThread($conv)
 613         {
 614                 $previous_mode = ($this->thread ? $this->thread->getMode() : '');
 615
 616                 $this->thread = $conv;
 617
 618                 // Set it on our children too
 619                 foreach ($this->getChildren() as $child) {
 620                         $child->setThread($conv);
 621                 }
 622         }
 623
 624         /**
 625          * Get conversation
 626          *
 627          * @return object
 628          */
 629         public function getThread()
 630         {
 631                 return $this->thread;
 632         }
 633
 634         /**
 635          * Get raw data
 636          *
 637          * We shouldn't need this
 638          *
 639          * @return array
 640          */
 641         public function getData()
 642         {
 643                 return $this->data;
 644         }
 645
 646         /**
 647          * Get a data value
 648          *
 649          * @param object $name key
 650          *
 651          * @return mixed value on success
 652          *               false on failure
 653          */
 654         public function getDataValue($name)
 655         {
 656                 if (!isset($this->data[$name])) {
 657                         // Logger::log('[ERROR] Item::getDataValue : Item has no value name "'. $name .'".', Logger::DEBUG);
 658                         return false;
 659                 }
 660
 661                 return $this->data[$name];
 662         }
 663
 664         /**
 665          * Set template
 666          *
 667          * @param object $name template name
 668          *
 669          * @return void
 670          */
 671         private function setTemplate($name)
 672         {
 673                 if (!x($this->available_templates, $name)) {
 674                         Logger::log('[ERROR] Item::setTemplate : Template not available ("' . $name . '").', Logger::DEBUG);
 675                         return false;
 676                 }
 677
 678                 $this->template = $this->available_templates[$name];
 679         }
 680
 681         /**
 682          * Get template
 683          *
 684          * @return object
 685          */
 686         private function getTemplate()
 687         {
 688                 return $this->template;
 689         }
 690
 691         /**
 692          * Check if this is a toplevel post
 693          *
 694          * @return boolean
 695          */
 696         private function isToplevel()
 697         {
 698                 return $this->toplevel;
 699         }
 700
 701         /**
 702          * Check if this is writable
 703          *
 704          * @return boolean
 705          */
 706         private function isWritable()
 707         {
 708                 $conv = $this->getThread();
 709
 710                 if ($conv) {
 711                         // This will allow us to comment on wall-to-wall items owned by our friends
 712                         // and community forums even if somebody else wrote the post.
 713                         // bug #517 - this fixes for conversation owner
 714                         if ($conv->getMode() == 'profile' && $conv->getProfileOwner() == local_user()) {
 715                                 return true;
 716                         }
 717
 718                         // this fixes for visitors
 719                         return ($this->writable || ($this->isVisiting() && $conv->getMode() == 'profile'));
 720                 }
 721                 return $this->writable;
 722         }
 723
 724         /**
 725          * Count the total of our descendants
 726          *
 727          * @return integer
 728          */
 729         private function countDescendants()
 730         {
 731                 $children = $this->getChildren();
 732                 $total = count($children);
 733                 if ($total > 0) {
 734                         foreach ($children as $child) {
 735                                 $total += $child->countDescendants();
 736                         }
 737                 }
 738
 739                 return $total;
 740         }
 741
 742         /**
 743          * Get the template for the comment box
 744          *
 745          * @return string
 746          */
 747         private function getCommentBoxTemplate()
 748         {
 749                 return $this->comment_box_template;
 750         }
 751
 752         /**
 753          * Get the comment box
 754          *
 755          * @param string $indent Indent value
 756          *
 757          * @return mixed The comment box string (empty if no comment box)
 758          *               false on failure
 759          */
 760         private function getCommentBox($indent)
 761         {
 762                 $a = self::getApp();
 763
 764                 $comment_box = '';
 765                 $conv = $this->getThread();
 766                 $ww = '';
 767                 if (($conv->getMode() === 'network') && $this->isWallToWall()) {
 768                         $ww = 'ww';
 769                 }
 770
 771                 if ($conv->isWritable() && $this->isWritable()) {
 772                         $qc = $qcomment = null;
 773
 774                         /*
 775                          * Hmmm, code depending on the presence of a particular addon?
 776                          * This should be better if done by a hook
 777                          */
 778                         if (Addon::isEnabled('qcomment')) {
 779                                 $qc = ((local_user()) ? PConfig::get(local_user(), 'qcomment', 'words') : null);
 780                                 $qcomment = (($qc) ? explode("\n", $qc) : null);
 781                         }
 782
 783                         // Fetch the user id from the parent when the owner user is empty
 784                         $uid = $conv->getProfileOwner();
 785                         $parent_uid = $this->getDataValue('uid');
 786
 787                         if (!is_null($parent_uid) && ($uid != $parent_uid)) {
 788                                 $uid = $parent_uid;
 789                         }
 790
 791                         $template = Renderer::getMarkupTemplate($this->getCommentBoxTemplate());
 792                         $comment_box = Renderer::replaceMacros($template, [
 793                                 '$return_path' => $a->query_string,
 794                                 '$threaded'    => $this->isThreaded(),
 795                                 '$jsreload'    => '',
 796                                 '$wall'        => ($conv->getMode() === 'profile'),
 797                                 '$id'          => $this->getId(),
 798                                 '$parent'      => $this->getId(),
 799                                 '$qcomment'    => $qcomment,
 800                                 '$profile_uid' => $uid,
 801                                 '$mylink'      => $a->removeBaseURL($a->contact['url']),
 802                                 '$mytitle'     => L10n::t('This is you'),
 803                                 '$myphoto'     => $a->removeBaseURL($a->contact['thumb']),
 804                                 '$comment'     => L10n::t('Comment'),
 805                                 '$submit'      => L10n::t('Submit'),
 806                                 '$edbold'      => L10n::t('Bold'),
 807                                 '$editalic'    => L10n::t('Italic'),
 808                                 '$eduline'     => L10n::t('Underline'),
 809                                 '$edquote'     => L10n::t('Quote'),
 810                                 '$edcode'      => L10n::t('Code'),
 811                                 '$edimg'       => L10n::t('Image'),
 812                                 '$edurl'       => L10n::t('Link'),
 813                                 '$edattach'    => L10n::t('Link or Media'),
 814                                 '$prompttext'  => L10n::t('Please enter a image/video/audio/webpage URL:'),
 815                                 '$preview'     => ((Feature::isEnabled($conv->getProfileOwner(), 'preview')) ? L10n::t('Preview') : ''),
 816                                 '$indent'      => $indent,
 817                                 '$sourceapp'   => L10n::t($a->sourcename),
 818                                 '$ww'          => $conv->getMode() === 'network' ? $ww : '',
 819                                 '$rand_num'    => Crypto::randomDigits(12)
 820                         ]);
 821                 }
 822
 823                 return $comment_box;
 824         }
 825
 826         /**
 827          * @return string
 828          */
 829         private function getRedirectUrl()
 830         {
 831                 return $this->redirect_url;
 832         }
 833
 834         /**
 835          * Check if we are a wall to wall item and set the relevant properties
 836          *
 837          * @return void
 838          */
 839         protected function checkWallToWall()
 840         {
 841                 $a = self::getApp();
 842                 $conv = $this->getThread();
 843                 $this->wall_to_wall = false;
 844
 845                 if ($this->isToplevel()) {
 846                         if ($conv->getMode() !== 'profile') {
 847                                 if ($this->getDataValue('wall') && !$this->getDataValue('self')) {
 848                                         // On the network page, I am the owner. On the display page it will be the profile owner.
 849                                         // This will have been stored in $a->page_contact by our calling page.
 850                                         // Put this person as the wall owner of the wall-to-wall notice.
 851
 852                                         $this->owner_url = Contact::magicLink($a->page_contact['url']);
 853                                         $this->owner_photo = $a->page_contact['thumb'];
 854                                         $this->owner_name = $a->page_contact['name'];
 855                                         $this->wall_to_wall = true;
 856                                 } elseif ($this->getDataValue('owner-link')) {
 857                                         $owner_linkmatch = (($this->getDataValue('owner-link')) && link_compare($this->getDataValue('owner-link'), $this->getDataValue('author-link')));
 858                                         $alias_linkmatch = (($this->getDataValue('alias')) && link_compare($this->getDataValue('alias'), $this->getDataValue('author-link')));
 859                                         $owner_namematch = (($this->getDataValue('owner-name')) && $this->getDataValue('owner-name') == $this->getDataValue('author-name'));
 860
 861                                         if (!$owner_linkmatch && !$alias_linkmatch && !$owner_namematch) {
 862                                                 // The author url doesn't match the owner (typically the contact)
 863                                                 // and also doesn't match the contact alias.
 864                                                 // The name match is a hack to catch several weird cases where URLs are
 865                                                 // all over the park. It can be tricked, but this prevents you from
 866                                                 // seeing "Bob Smith to Bob Smith via Wall-to-wall" and you know darn
 867                                                 // well that it's the same Bob Smith.
 868                                                 // But it could be somebody else with the same name. It just isn't highly likely.
 869
 870
 871                                                 $this->owner_photo = $this->getDataValue('owner-avatar');
 872                                                 $this->owner_name = $this->getDataValue('owner-name');
 873                                                 $this->wall_to_wall = true;
 874
 875                                                 $owner = ['uid' => 0, 'id' => $this->getDataValue('owner-id'),
 876                                                         'network' => $this->getDataValue('owner-network'),
 877                                                         'url' => $this->getDataValue('owner-link')];
 878                                                 $this->owner_url = Contact::magicLinkbyContact($owner);
 879                                         }
 880                                 }
 881                         }
 882                 }
 883
 884                 if (!$this->wall_to_wall) {
 885                         $this->setTemplate('wall');
 886                         $this->owner_url = '';
 887                         $this->owner_photo = '';
 888                         $this->owner_name = '';
 889                 }
 890         }
 891
 892         /**
 893          * @return boolean
 894          */
 895         private function isWallToWall()
 896         {
 897                 return $this->wall_to_wall;
 898         }
 899
 900         /**
 901          * @return string
 902          */
 903         private function getOwnerUrl()
 904         {
 905                 return $this->owner_url;
 906         }
 907
 908         /**
 909          * @return string
 910          */
 911         private function getOwnerName()
 912         {
 913                 return $this->owner_name;
 914         }
 915
 916         /**
 917          * @return boolean
 918          */
 919         private function isVisiting()
 920         {
 921                 return $this->visiting;
 922         }
 923 }