include/conversation.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2021, the Friendica project
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 use Friendica\App;
  23 use Friendica\Content\ContactSelector;
  24 use Friendica\Content\Feature;
  25 use Friendica\Content\Text\BBCode;
  26 use Friendica\Core\Hook;
  27 use Friendica\Core\Logger;
  28 use Friendica\Core\Protocol;
  29 use Friendica\Core\Renderer;
  30 use Friendica\Core\Session;
  31 use Friendica\Core\Theme;
  32 use Friendica\Database\DBA;
  33 use Friendica\DI;
  34 use Friendica\Model\Contact;
  35 use Friendica\Model\Item;
  36 use Friendica\Model\Post;
  37 use Friendica\Model\Profile;
  38 use Friendica\Model\Tag;
  39 use Friendica\Model\Verb;
  40 use Friendica\Object\Post as PostObject;
  41 use Friendica\Object\Thread;
  42 use Friendica\Protocol\Activity;
  43 use Friendica\Util\Crypto;
  44 use Friendica\Util\DateTimeFormat;
  45 use Friendica\Util\Proxy;
  46 use Friendica\Util\Strings;
  47 use Friendica\Util\Temporal;
  48 use Friendica\Util\XML;
  49
  50 /**
  51  * Render actions localized
  52  *
  53  * @param $item
  54  * @throws ImagickException
  55  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
  56  */
  57 function localize_item(&$item)
  58 {
  59         /// @todo The following functionality needs to be cleaned up.
  60         if (!empty($item['verb'])) {
  61                 $activity = DI::activity();
  62
  63                 $xmlhead = "<" . "?xml version='1.0' encoding='UTF-8' ?" . ">";
  64
  65                 if (stristr($item['verb'], Activity::POKE)) {
  66                         $verb = urldecode(substr($item['verb'], strpos($item['verb'],'#') + 1));
  67                         if (!$verb) {
  68                                 return;
  69                         }
  70                         if ($item['object-type'] == "" || $item['object-type'] !== Activity\ObjectType::PERSON) {
  71                                 return;
  72                         }
  73
  74                         $obj = XML::parseString($xmlhead . $item['object']);
  75
  76                         $Bname = $obj->title;
  77                         $Blink = $obj->id;
  78                         $Bphoto = "";
  79
  80                         foreach ($obj->link as $l) {
  81                                 $atts = $l->attributes();
  82                                 switch ($atts['rel']) {
  83                                         case "alternate": $Blink = $atts['href'];
  84                                         case "photo": $Bphoto = $atts['href'];
  85                                 }
  86                         }
  87
  88                         $author = ['uid' => 0, 'id' => $item['author-id'],
  89                                 'network' => $item['author-network'], 'url' => $item['author-link']];
  90                         $A = '[url=' . Contact::magicLinkByContact($author) . ']' . $item['author-name'] . '[/url]';
  91
  92                         if (!empty($Blink)) {
  93                                 $B = '[url=' . Contact::magicLink($Blink) . ']' . $Bname . '[/url]';
  94                         } else {
  95                                 $B = '';
  96                         }
  97
  98                         if ($Bphoto != "" && !empty($Blink)) {
  99                                 $Bphoto = '[url=' . Contact::magicLink($Blink) . '][img=80x80]' . $Bphoto . '[/img][/url]';
 100                         }
 101
 102                         /*
 103                          * we can't have a translation string with three positions but no distinguishable text
 104                          * So here is the translate string.
 105                          */
 106                         $txt = DI::l10n()->t('%1$s poked %2$s');
 107
 108                         // now translate the verb
 109                         $poked_t = trim(sprintf($txt, '', ''));
 110                         $txt = str_replace($poked_t, DI::l10n()->t($verb), $txt);
 111
 112                         // then do the sprintf on the translation string
 113
 114                         $item['body'] = sprintf($txt, $A, $B) . "\n\n\n" . $Bphoto;
 115
 116                 }
 117
 118                 if ($activity->match($item['verb'], Activity::TAG)) {
 119                         $fields = ['author-id', 'author-link', 'author-name', 'author-network',
 120                                 'verb', 'object-type', 'resource-id', 'body', 'plink'];
 121                         $obj = Post::selectFirst($fields, ['uri' => $item['parent-uri']]);
 122                         if (!DBA::isResult($obj)) {
 123                                 return;
 124                         }
 125
 126                         $author_arr = ['uid' => 0, 'id' => $item['author-id'],
 127                                 'network' => $item['author-network'], 'url' => $item['author-link']];
 128                         $author  = '[url=' . Contact::magicLinkByContact($author_arr) . ']' . $item['author-name'] . '[/url]';
 129
 130                         $author_arr = ['uid' => 0, 'id' => $obj['author-id'],
 131                                 'network' => $obj['author-network'], 'url' => $obj['author-link']];
 132                         $objauthor  = '[url=' . Contact::magicLinkByContact($author_arr) . ']' . $obj['author-name'] . '[/url]';
 133
 134                         switch ($obj['verb']) {
 135                                 case Activity::POST:
 136                                         switch ($obj['object-type']) {
 137                                                 case Activity\ObjectType::EVENT:
 138                                                         $post_type = DI::l10n()->t('event');
 139                                                         break;
 140                                                 default:
 141                                                         $post_type = DI::l10n()->t('status');
 142                                         }
 143                                         break;
 144                                 default:
 145                                         if ($obj['resource-id']) {
 146                                                 $post_type = DI::l10n()->t('photo');
 147                                                 $m=[]; preg_match("/\[url=([^]]*)\]/", $obj['body'], $m);
 148                                                 $rr['plink'] = $m[1];
 149                                         } else {
 150                                                 $post_type = DI::l10n()->t('status');
 151                                         }
 152                                         // Let's break everthing ... ;-)
 153                                         break;
 154                         }
 155                         $plink = '[url=' . $obj['plink'] . ']' . $post_type . '[/url]';
 156
 157                         $parsedobj = XML::parseString($xmlhead . $item['object']);
 158
 159                         $tag = sprintf('#[url=%s]%s[/url]', $parsedobj->id, $parsedobj->content);
 160                         $item['body'] = DI::l10n()->t('%1$s tagged %2$s\'s %3$s with %4$s', $author, $objauthor, $plink, $tag);
 161                 }
 162         }
 163
 164         $matches = null;
 165         if (preg_match_all('/@\[url=(.*?)\]/is', $item['body'], $matches, PREG_SET_ORDER)) {
 166                 foreach ($matches as $mtch) {
 167                         if (!strpos($mtch[1], 'zrl=')) {
 168                                 $item['body'] = str_replace($mtch[0], '@[url=' . Contact::magicLink($mtch[1]) . ']', $item['body']);
 169                         }
 170                 }
 171         }
 172
 173         // add sparkle links to appropriate permalinks
 174         // Only create a redirection to a magic link when logged in
 175         if (!empty($item['plink']) && Session::isAuthenticated()) {
 176                 $author = ['uid' => 0, 'id' => $item['author-id'],
 177                         'network' => $item['author-network'], 'url' => $item['author-link']];
 178                 $item['plink'] = Contact::magicLinkByContact($author, $item['plink']);
 179         }
 180 }
 181
 182 /**
 183  * Count the total of comments on this item and its desendants
 184  * @TODO proper type-hint + doc-tag
 185  * @param $item
 186  * @return int
 187  */
 188 function count_descendants($item) {
 189         $total = count($item['children']);
 190
 191         if ($total > 0) {
 192                 foreach ($item['children'] as $child) {
 193                         if (!visible_activity($child)) {
 194                                 $total --;
 195                         }
 196                         $total += count_descendants($child);
 197                 }
 198         }
 199
 200         return $total;
 201 }
 202
 203 function visible_activity($item) {
 204
 205         $activity = DI::activity();
 206
 207         if (empty($item['verb']) || $activity->isHidden($item['verb'])) {
 208                 return false;
 209         }
 210
 211         // @TODO below if() block can be rewritten to a single line: $isVisible = allConditionsHere;
 212         if ($activity->match($item['verb'], Activity::FOLLOW) &&
 213             $item['object-type'] === Activity\ObjectType::NOTE &&
 214             empty($item['self']) &&
 215             $item['uid'] == local_user()) {
 216                 return false;
 217         }
 218
 219         return true;
 220 }
 221
 222 function conv_get_blocklist()
 223 {
 224         if (!local_user()) {
 225                 return [];
 226         }
 227
 228         $str_blocked = str_replace(["\n", "\r"], ",", DI::pConfig()->get(local_user(), 'system', 'blocked'));
 229         if (empty($str_blocked)) {
 230                 return [];
 231         }
 232
 233         $blocklist = [];
 234
 235         foreach (explode(',', $str_blocked) as $entry) {
 236                 $cid = Contact::getIdForURL(trim($entry), 0, false);
 237                 if (!empty($cid)) {
 238                         $blocklist[] = $cid;
 239                 }
 240         }
 241
 242         return $blocklist;
 243 }
 244
 245 /**
 246  * "Render" a conversation or list of items for HTML display.
 247  * There are two major forms of display:
 248  *      - Sequential or unthreaded ("New Item View" or search results)
 249  *      - conversation view
 250  * The $mode parameter decides between the various renderings and also
 251  * figures out how to determine page owner and other contextual items
 252  * that are based on unique features of the calling module.
 253  * @param App    $a
 254  * @param array  $items
 255  * @param        $mode
 256  * @param        $update
 257  * @param bool   $preview
 258  * @param string $order
 259  * @param int    $uid
 260  * @return string
 261  * @throws ImagickException
 262  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 263  */
 264 function conversation(App $a, array $items, $mode, $update, $preview = false, $order = 'commented', $uid = 0)
 265 {
 266         $page = DI::page();
 267
 268         $page->registerFooterScript(Theme::getPathForFile('asset/typeahead.js/dist/typeahead.bundle.js'));
 269         $page->registerFooterScript(Theme::getPathForFile('js/friendica-tagsinput/friendica-tagsinput.js'));
 270         $page->registerStylesheet(Theme::getPathForFile('js/friendica-tagsinput/friendica-tagsinput.css'));
 271         $page->registerStylesheet(Theme::getPathForFile('js/friendica-tagsinput/friendica-tagsinput-typeahead.css'));
 272
 273         $ssl_state = (local_user() ? true : false);
 274
 275         $live_update_div = '';
 276
 277         $blocklist = conv_get_blocklist();
 278
 279         $previewing = (($preview) ? ' preview ' : '');
 280
 281         if ($mode === 'network') {
 282                 $items = conversation_add_children($items, false, $order, $uid);
 283                 if (!$update) {
 284                         /*
 285                          * The special div is needed for liveUpdate to kick in for this page.
 286                          * We only launch liveUpdate if you aren't filtering in some incompatible
 287                          * way and also you aren't writing a comment (discovered in javascript).
 288                          */
 289                         $live_update_div = '<div id="live-network"></div>' . "\r\n"
 290                                 . "<script> var profile_uid = " . $_SESSION['uid']
 291                                 . "; var netargs = '" . substr(DI::args()->getCommand(), 8)
 292                                 . '?f='
 293                                 . (!empty($_GET['contactid']) ? '&contactid=' . rawurlencode($_GET['contactid']) : '')
 294                                 . (!empty($_GET['search'])    ? '&search='    . rawurlencode($_GET['search'])    : '')
 295                                 . (!empty($_GET['star'])      ? '&star='      . rawurlencode($_GET['star'])      : '')
 296                                 . (!empty($_GET['order'])     ? '&order='     . rawurlencode($_GET['order'])     : '')
 297                                 . (!empty($_GET['bmark'])     ? '&bmark='     . rawurlencode($_GET['bmark'])     : '')
 298                                 . (!empty($_GET['liked'])     ? '&liked='     . rawurlencode($_GET['liked'])     : '')
 299                                 . (!empty($_GET['conv'])      ? '&conv='      . rawurlencode($_GET['conv'])      : '')
 300                                 . (!empty($_GET['nets'])      ? '&nets='      . rawurlencode($_GET['nets'])      : '')
 301                                 . (!empty($_GET['cmin'])      ? '&cmin='      . rawurlencode($_GET['cmin'])      : '')
 302                                 . (!empty($_GET['cmax'])      ? '&cmax='      . rawurlencode($_GET['cmax'])      : '')
 303                                 . (!empty($_GET['file'])      ? '&file='      . rawurlencode($_GET['file'])      : '')
 304
 305                                 . "'; </script>\r\n";
 306                 }
 307         } elseif ($mode === 'profile') {
 308                 $items = conversation_add_children($items, false, $order, $uid);
 309
 310                 if (!$update) {
 311                         $tab = 'posts';
 312                         if (!empty($_GET['tab'])) {
 313                                 $tab = Strings::escapeTags(trim($_GET['tab']));
 314                         }
 315                         if ($tab === 'posts') {
 316                                 /*
 317                                  * This is ugly, but we can't pass the profile_uid through the session to the ajax updater,
 318                                  * because browser prefetching might change it on us. We have to deliver it with the page.
 319                                  */
 320
 321                                 $live_update_div = '<div id="live-profile"></div>' . "\r\n"
 322                                         . "<script> var profile_uid = " . $uid
 323                                         . "; var netargs = '?f='; </script>\r\n";
 324                         }
 325                 }
 326         } elseif ($mode === 'notes') {
 327                 $items = conversation_add_children($items, false, $order, local_user());
 328
 329                 if (!$update) {
 330                         $live_update_div = '<div id="live-notes"></div>' . "\r\n"
 331                                 . "<script> var profile_uid = " . local_user()
 332                                 . "; var netargs = '/?f='; </script>\r\n";
 333                 }
 334         } elseif ($mode === 'display') {
 335                 $items = conversation_add_children($items, false, $order, $uid);
 336
 337                 if (!$update) {
 338                         $live_update_div = '<div id="live-display"></div>' . "\r\n"
 339                                 . "<script> var profile_uid = " . Session::get('uid', 0) . ";"
 340                                 . "</script>";
 341                 }
 342         } elseif ($mode === 'community') {
 343                 $items = conversation_add_children($items, true, $order, $uid);
 344
 345                 if (!$update) {
 346                         $live_update_div = '<div id="live-community"></div>' . "\r\n"
 347                                 . "<script> var profile_uid = -1; var netargs = '" . substr(DI::args()->getCommand(), 10)
 348                                 . '?f='
 349                                 . (!empty($_GET['no_sharer']) ? '&no_sharer=' . rawurlencode($_GET['no_sharer']) : '')
 350                                 . "'; </script>\r\n";
 351                 }
 352         } elseif ($mode === 'contacts') {
 353                 $items = conversation_add_children($items, false, $order, $uid);
 354
 355                 if (!$update) {
 356                         $live_update_div = '<div id="live-contact"></div>' . "\r\n"
 357                                 . "<script> var profile_uid = -1; var netargs = '" . substr(DI::args()->getCommand(), 8)
 358                                 ."/?f='; </script>\r\n";
 359                 }
 360         } elseif ($mode === 'search') {
 361                 $live_update_div = '<div id="live-search"></div>' . "\r\n";
 362         }
 363
 364         $page_dropping = ((local_user() && local_user() == $uid) ? true : false);
 365
 366         if (!$update) {
 367                 $_SESSION['return_path'] = DI::args()->getQueryString();
 368         }
 369
 370         $cb = ['items' => $items, 'mode' => $mode, 'update' => $update, 'preview' => $preview];
 371         Hook::callAll('conversation_start', $cb);
 372
 373         $items = $cb['items'];
 374
 375         $conv_responses = [
 376                 'like'        => [],
 377                 'dislike'     => [],
 378                 'attendyes'   => [],
 379                 'attendno'    => [],
 380                 'attendmaybe' => [],
 381                 'announce'    => [],
 382         ];
 383
 384         if (DI::pConfig()->get(local_user(), 'system', 'hide_dislike')) {
 385                 unset($conv_responses['dislike']);
 386         }
 387
 388         // array with html for each thread (parent+comments)
 389         $threads = [];
 390         $threadsid = -1;
 391
 392         $page_template = Renderer::getMarkupTemplate("conversation.tpl");
 393
 394         if (!empty($items)) {
 395                 if (in_array($mode, ['community', 'contacts'])) {
 396                         $writable = true;
 397                 } else {
 398                         $writable = ($items[0]['uid'] == 0) && in_array($items[0]['network'], Protocol::FEDERATED);
 399                 }
 400
 401                 if (!local_user()) {
 402                         $writable = false;
 403                 }
 404
 405                 if (in_array($mode, ['filed', 'search', 'contact-posts'])) {
 406
 407                         /*
 408                          * "New Item View" on network page or search page results
 409                          * - just loop through the items and format them minimally for display
 410                          */
 411
 412                         $tpl = 'search_item.tpl';
 413
 414                         foreach ($items as $item) {
 415
 416                                 if (!visible_activity($item)) {
 417                                         continue;
 418                                 }
 419
 420                                 if (in_array($item['author-id'], $blocklist)) {
 421                                         continue;
 422                                 }
 423
 424                                 $threadsid++;
 425
 426                                 // prevent private email from leaking.
 427                                 if ($item['network'] === Protocol::MAIL && local_user() != $item['uid']) {
 428                                         continue;
 429                                 }
 430
 431                                 $profile_name = $item['author-name'];
 432                                 if (!empty($item['author-link']) && empty($item['author-name'])) {
 433                                         $profile_name = $item['author-link'];
 434                                 }
 435
 436                                 $tags = Tag::populateFromItem($item);
 437
 438                                 $author = ['uid' => 0, 'id' => $item['author-id'],
 439                                         'network' => $item['author-network'], 'url' => $item['author-link']];
 440                                 $profile_link = Contact::magicLinkByContact($author);
 441
 442                                 $sparkle = '';
 443                                 if (strpos($profile_link, 'redir/') === 0) {
 444                                         $sparkle = ' sparkle';
 445                                 }
 446
 447                                 $locate = ['location' => $item['location'], 'coord' => $item['coord'], 'html' => ''];
 448                                 Hook::callAll('render_location', $locate);
 449                                 $location_html = $locate['html'] ?: Strings::escapeHtml($locate['location'] ?: $locate['coord'] ?: '');
 450
 451                                 localize_item($item);
 452                                 if ($mode === 'filed') {
 453                                         $dropping = true;
 454                                 } else {
 455                                         $dropping = false;
 456                                 }
 457
 458                                 $drop = [
 459                                         'dropping' => $dropping,
 460                                         'pagedrop' => $page_dropping,
 461                                         'select' => DI::l10n()->t('Select'),
 462                                         'delete' => DI::l10n()->t('Delete'),
 463                                 ];
 464
 465                                 $likebuttons = [
 466                                         'like'     => null,
 467                                         'dislike'  => null,
 468                                         'share'    => null,
 469                                         'announce' => null,
 470                                 ];
 471
 472                                 if (DI::pConfig()->get(local_user(), 'system', 'hide_dislike')) {
 473                                         unset($likebuttons['dislike']);
 474                                 }
 475
 476                                 $body_html = Item::prepareBody($item, true, $preview);
 477
 478                                 list($categories, $folders) = DI::contentItem()->determineCategoriesTerms($item);
 479
 480                                 if (!empty($item['content-warning']) && DI::pConfig()->get(local_user(), 'system', 'disable_cw', false)) {
 481                                         $title = ucfirst($item['content-warning']);
 482                                 } else {
 483                                         $title = $item['title'];
 484                                 }
 485
 486                                 $tmp_item = [
 487                                         'template' => $tpl,
 488                                         'id' => ($preview ? 'P0' : $item['id']),
 489                                         'guid' => ($preview ? 'Q0' : $item['guid']),
 490                                         'commented' => $item['commented'],
 491                                         'received' => $item['received'],
 492                                         'created_date' => $item['created'],
 493                                         'uriid' => $item['uri-id'],
 494                                         'network' => $item['network'],
 495                                         'network_name' => ContactSelector::networkToName($item['author-network'], $item['author-link'], $item['network']),
 496                                         'network_icon' => ContactSelector::networkToIcon($item['network'], $item['author-link']),
 497                                         'linktitle' => DI::l10n()->t('View %s\'s profile @ %s', $profile_name, $item['author-link']),
 498                                         'profile_url' => $profile_link,
 499                                         'item_photo_menu_html' => item_photo_menu($item),
 500                                         'name' => $profile_name,
 501                                         'sparkle' => $sparkle,
 502                                         'lock' => false,
 503                                         'thumb' => DI::baseUrl()->remove(Contact::getAvatarUrlForUrl($item['author-link'], $item['uid'], Proxy::SIZE_THUMB)),
 504                                         'title' => $title,
 505                                         'body_html' => $body_html,
 506                                         'tags' => $tags['tags'],
 507                                         'hashtags' => $tags['hashtags'],
 508                                         'mentions' => $tags['mentions'],
 509                                         'implicit_mentions' => $tags['implicit_mentions'],
 510                                         'txt_cats' => DI::l10n()->t('Categories:'),
 511                                         'txt_folders' => DI::l10n()->t('Filed under:'),
 512                                         'has_cats' => ((count($categories)) ? 'true' : ''),
 513                                         'has_folders' => ((count($folders)) ? 'true' : ''),
 514                                         'categories' => $categories,
 515                                         'folders' => $folders,
 516                                         'text' => strip_tags($body_html),
 517                                         'localtime' => DateTimeFormat::local($item['created'], 'r'),
 518                                         'ago' => (($item['app']) ? DI::l10n()->t('%s from %s', Temporal::getRelativeDate($item['created']), $item['app']) : Temporal::getRelativeDate($item['created'])),
 519                                         'location_html' => $location_html,
 520                                         'indent' => '',
 521                                         'owner_name' => '',
 522                                         'owner_url' => '',
 523                                         'owner_photo' => DI::baseUrl()->remove(Contact::getAvatarUrlForUrl($item['owner-link'], $item['uid'], Proxy::SIZE_THUMB)),
 524                                         'plink' => Item::getPlink($item),
 525                                         'edpost' => false,
 526                                         'isstarred' => 'unstarred',
 527                                         'star' => false,
 528                                         'drop' => $drop,
 529                                         'vote' => $likebuttons,
 530                                         'like_html' => '',
 531                                         'dislike_html' => '',
 532                                         'comment_html' => '',
 533                                         'conv' => (($preview) ? '' : ['href'=> 'display/'.$item['guid'], 'title'=> DI::l10n()->t('View in context')]),
 534                                         'previewing' => $previewing,
 535                                         'wait' => DI::l10n()->t('Please wait'),
 536                                         'thread_level' => 1,
 537                                 ];
 538
 539                                 $arr = ['item' => $item, 'output' => $tmp_item];
 540                                 Hook::callAll('display_item', $arr);
 541
 542                                 $threads[$threadsid]['id'] = $item['id'];
 543                                 $threads[$threadsid]['network'] = $item['network'];
 544                                 $threads[$threadsid]['items'] = [$arr['output']];
 545
 546                         }
 547                 } else {
 548                         // Normal View
 549                         $page_template = Renderer::getMarkupTemplate("threaded_conversation.tpl");
 550
 551                         $conv = new Thread($mode, $preview, $writable);
 552
 553                         /*
 554                          * get all the topmost parents
 555                          * this shouldn't be needed, as we should have only them in our array
 556                          * But for now, this array respects the old style, just in case
 557                          */
 558                         foreach ($items as $item) {
 559                                 if (in_array($item['author-id'], $blocklist)) {
 560                                         continue;
 561                                 }
 562
 563                                 // Can we put this after the visibility check?
 564                                 builtin_activity_puller($item, $conv_responses);
 565
 566                                 // Only add what is visible
 567                                 if ($item['network'] === Protocol::MAIL && local_user() != $item['uid']) {
 568                                         continue;
 569                                 }
 570
 571                                 if (!visible_activity($item)) {
 572                                         continue;
 573                                 }
 574
 575                                 /// @todo Check if this call is needed or not
 576                                 $arr = ['item' => $item];
 577                                 Hook::callAll('display_item', $arr);
 578
 579                                 $item['pagedrop'] = $page_dropping;
 580
 581                                 if ($item['gravity'] == GRAVITY_PARENT) {
 582                                         $item_object = new PostObject($item);
 583                                         $conv->addParent($item_object);
 584                                 }
 585                         }
 586
 587                         $threads = $conv->getTemplateData($conv_responses);
 588                         if (!$threads) {
 589                                 Logger::log('[ERROR] conversation : Failed to get template data.', Logger::DEBUG);
 590                                 $threads = [];
 591                         }
 592                 }
 593         }
 594
 595         $o = Renderer::replaceMacros($page_template, [
 596                 '$baseurl' => DI::baseUrl()->get($ssl_state),
 597                 '$return_path' => DI::args()->getQueryString(),
 598                 '$live_update' => $live_update_div,
 599                 '$remove' => DI::l10n()->t('remove'),
 600                 '$mode' => $mode,
 601                 '$update' => $update,
 602                 '$user' => $a->user,
 603                 '$threads' => $threads,
 604                 '$dropping' => ($page_dropping ? DI::l10n()->t('Delete Selected Items') : False),
 605         ]);
 606
 607         return $o;
 608 }
 609
 610 /**
 611  * Fetch all comments from a query. Additionally set the newest resharer as thread owner.
 612  *
 613  * @param mixed   $thread_items Database statement with thread posts
 614  * @param boolean $pinned       Is the item pinned?
 615  * @param array   $activity     Contact data of the resharer
 616  *
 617  * @return array items with parents and comments
 618  */
 619 function conversation_fetch_comments($thread_items, bool $pinned, array $activity) {
 620         $comments = [];
 621
 622         while ($row = Post::fetch($thread_items)) {
 623                 if (!empty($activity)) {
 624                         if (($row['gravity'] == GRAVITY_PARENT)) {
 625                                 $row['post-reason'] = Item::PR_ANNOUNCEMENT;
 626                                 $row = array_merge($row, $activity);
 627                                 $contact = Contact::getById($activity['causer-id'], ['url', 'name', 'thumb']);
 628                                 $row['causer-link'] = $contact['url'];
 629                                 $row['causer-avatar'] = $contact['thumb'];
 630                                 $row['causer-name'] = $contact['name'];
 631                         } elseif (($row['gravity'] == GRAVITY_ACTIVITY) && ($row['verb'] == Activity::ANNOUNCE) &&
 632                                 ($row['author-id'] == $activity['causer-id'])) {
 633                                 continue;
 634                         }
 635                 }
 636
 637                 switch ($row['post-reason']) {
 638                         case Item::PR_TO:
 639                                 $row['direction'] = ['direction' => 7, 'title' => DI::l10n()->t('You had been addressed (%s).', 'to')];
 640                                 break;
 641                         case Item::PR_CC:
 642                                 $row['direction'] = ['direction' => 7, 'title' => DI::l10n()->t('You had been addressed (%s).', 'cc')];
 643                                 break;
 644                         case Item::PR_BTO:
 645                                 $row['direction'] = ['direction' => 7, 'title' => DI::l10n()->t('You had been addressed (%s).', 'bto')];
 646                                 break;
 647                         case Item::PR_BCC:
 648                                 $row['direction'] = ['direction' => 7, 'title' => DI::l10n()->t('You had been addressed (%s).', 'bcc')];
 649                                 break;
 650                         case Item::PR_FOLLOWER:
 651                                 $row['direction'] = ['direction' => 6, 'title' => DI::l10n()->t('You are following %s.', $row['author-name'])];
 652                                 break;
 653                         case Item::PR_TAG:
 654                                 $row['direction'] = ['direction' => 4, 'title' => DI::l10n()->t('Tagged')];
 655                                 break;
 656                         case Item::PR_ANNOUNCEMENT:
 657                                 if (!empty($row['causer-id']) && DI::pConfig()->get(local_user(), 'system', 'display_resharer')) {
 658                                         $row['owner-id'] = $row['causer-id'];
 659                                         $row['owner-link'] = $row['causer-link'];
 660                                         $row['owner-avatar'] = $row['causer-avatar'];
 661                                         $row['owner-name'] = $row['causer-name'];
 662                                 }
 663
 664                                 if (($row['gravity'] == GRAVITY_PARENT) && !empty($row['causer-id'])) {
 665                                         $causer = ['uid' => 0, 'id' => $row['causer-id'],
 666                                                 'network' => $row['causer-network'], 'url' => $row['causer-link']];
 667                                         $row['reshared'] = DI::l10n()->t('%s reshared this.', '<a href="'. htmlentities(Contact::magicLinkByContact($causer)) .'">' . htmlentities($row['causer-name']) . '</a>');
 668                                 }
 669                                 $row['direction'] = ['direction' => 3, 'title' => (empty($row['causer-id']) ? DI::l10n()->t('Reshared') : DI::l10n()->t('Reshared by %s <%s>', $row['causer-name'], $row['causer-link']))];
 670                                 break;
 671                         case Item::PR_COMMENT:
 672                                 $row['direction'] = ['direction' => 5, 'title' => DI::l10n()->t('%s is participating in this thread.', $row['author-name'])];
 673                                 break;
 674                         case Item::PR_STORED:
 675                                 $row['direction'] = ['direction' => 8, 'title' => DI::l10n()->t('Stored')];
 676                                 break;
 677                         case Item::PR_GLOBAL:
 678                                 $row['direction'] = ['direction' => 9, 'title' => DI::l10n()->t('Global')];
 679                                 break;
 680                         case Item::PR_RELAY:
 681                                 $row['direction'] = ['direction' => 10, 'title' => (empty($row['causer-id']) ? DI::l10n()->t('Relayed') : DI::l10n()->t('Relayed by %s <%s>', $row['causer-name'], $row['causer-link']))];
 682                                 break;
 683                         case Item::PR_FETCHED:
 684                                 $row['direction'] = ['direction' => 2, 'title' => (empty($row['causer-id']) ? DI::l10n()->t('Fetched') : DI::l10n()->t('Fetched because of %s <%s>', $row['causer-name'], $row['causer-link']))];
 685                                 break;
 686                         }
 687
 688                 if ($row['gravity'] == GRAVITY_PARENT) {
 689                         $row['pinned'] = $pinned;
 690                 }
 691
 692                 $comments[] = $row;
 693         }
 694
 695         DBA::close($thread_items);
 696
 697         return $comments;
 698 }
 699
 700 /**
 701  * Add comments to top level entries that had been fetched before
 702  *
 703  * The system will fetch the comments for the local user whenever possible.
 704  * This behaviour is currently needed to allow commenting on Friendica posts.
 705  *
 706  * @param array $parents Parent items
 707  *
 708  * @param       $block_authors
 709  * @param       $order
 710  * @param       $uid
 711  * @return array items with parents and comments
 712  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 713  */
 714 function conversation_add_children(array $parents, $block_authors, $order, $uid) {
 715         if (count($parents) > 1) {
 716                 $max_comments = DI::config()->get('system', 'max_comments', 100);
 717         } else {
 718                 $max_comments = DI::config()->get('system', 'max_display_comments', 1000);
 719         }
 720
 721         $params = ['order' => ['gravity', 'uid', 'commented' => true]];
 722
 723         if ($max_comments > 0) {
 724                 $params['limit'] = $max_comments;
 725         }
 726
 727         $items = [];
 728
 729         foreach ($parents AS $parent) {
 730                 if (!empty($parent['thr-parent-id']) && !empty($parent['gravity']) && ($parent['gravity'] == GRAVITY_ACTIVITY)) {
 731                         $condition = ["`parent-uri-id` = ? AND `uid` IN (0, ?) AND (`vid` != ? OR `vid` IS NULL)",
 732                                 $parent['thr-parent-id'], $uid, Verb::getID(Activity::FOLLOW)];
 733                         if (!empty($parent['author-id'])) {
 734                                 $activity = ['causer-id' => $parent['author-id']];
 735                                 foreach (['commented', 'received', 'created'] as $orderfields) {
 736                                         if (!empty($parent[$orderfields])) {
 737                                                 $activity[$orderfields] = $parent[$orderfields];
 738                                         }
 739                                 }
 740                         }
 741                 } else {
 742                         $condition = ["`parent-uri-id` = ? AND `uid` IN (0, ?) AND (`vid` != ? OR `vid` IS NULL)",
 743                                 $parent['uri-id'], $uid, Verb::getID(Activity::FOLLOW)];
 744                         $activity = [];
 745                 }
 746                 $items = conversation_fetch_items($parent, $items, $condition, $block_authors, $params, $activity);
 747         }
 748
 749         foreach ($items as $index => $item) {
 750                 if ($item['uid'] == 0) {
 751                         $items[$index]['writable'] = in_array($item['network'], Protocol::FEDERATED);
 752                 }
 753         }
 754
 755         $items = conv_sort($items, $order);
 756
 757         return $items;
 758 }
 759
 760 /**
 761  * Fetch conversation items
 762  *
 763  * @param array   $parent        Parent Item array
 764  * @param array   $items         Item array
 765  * @param array   $condition     SQL condition
 766  * @param boolean $block_authors Don't show posts from contacts that are hidden (used on the community page)
 767  * @param array   $params        SQL parameters
 768  * @param array   $activity      Contact data of the resharer
 769  * @return array
 770  */
 771 function conversation_fetch_items(array $parent, array $items, array $condition, bool $block_authors, array $params, array $activity) {
 772         if ($block_authors) {
 773                 $condition[0] .= " AND NOT `author-hidden`";
 774         }
 775
 776         $thread_items = Post::selectForUser(local_user(), array_merge(Item::DISPLAY_FIELDLIST, ['pinned', 'contact-uid', 'gravity', 'post-type', 'post-reason']), $condition, $params);
 777
 778         $comments = conversation_fetch_comments($thread_items, $parent['pinned'] ?? false, $activity);
 779
 780         if (count($comments) != 0) {
 781                 $items = array_merge($items, $comments);
 782         }
 783         return $items;
 784 }
 785
 786 function item_photo_menu($item)
 787 {
 788         $sub_link = '';
 789         $poke_link = '';
 790         $contact_url = '';
 791         $pm_url = '';
 792         $status_link = '';
 793         $photos_link = '';
 794         $posts_link = '';
 795         $block_link = '';
 796         $ignore_link = '';
 797
 798         if (local_user() && local_user() == $item['uid'] && $item['gravity'] == GRAVITY_PARENT && !$item['self'] && !$item['mention']) {
 799                 $sub_link = 'javascript:doFollowThread(' . $item['id'] . '); return false;';
 800         }
 801
 802         $author = ['uid' => 0, 'id' => $item['author-id'],
 803                 'network' => $item['author-network'], 'url' => $item['author-link']];
 804         $profile_link = Contact::magicLinkByContact($author, $item['author-link']);
 805         $sparkle = (strpos($profile_link, 'redir/') === 0);
 806
 807         $cid = 0;
 808         $pcid = $item['author-id'];
 809         $network = '';
 810         $rel = 0;
 811         $condition = ['uid' => local_user(), 'nurl' => Strings::normaliseLink($item['author-link'])];
 812         $contact = DBA::selectFirst('contact', ['id', 'network', 'rel'], $condition);
 813         if (DBA::isResult($contact)) {
 814                 $cid = $contact['id'];
 815                 $network = $contact['network'];
 816                 $rel = $contact['rel'];
 817         }
 818
 819         if ($sparkle) {
 820                 $status_link = $profile_link . '/status';
 821                 $photos_link = str_replace('/profile/', '/photos/', $profile_link);
 822                 $profile_link = $profile_link . '/profile';
 823         }
 824
 825         if (!empty($pcid)) {
 826                 $contact_url = 'contact/' . $pcid;
 827                 $posts_link  = $contact_url . '/posts';
 828                 $block_link  = $item['self'] ? '' : $contact_url . '/block';
 829                 $ignore_link = $item['self'] ? '' : $contact_url . '/ignore';
 830         }
 831
 832         if ($cid && !$item['self']) {
 833                 $contact_url = 'contact/' . $cid;
 834                 $poke_link   = $contact_url . '/poke';
 835                 $posts_link  = $contact_url . '/posts';
 836
 837                 if (in_array($network, [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA])) {
 838                         $pm_url = 'message/new/' . $cid;
 839                 }
 840         }
 841
 842         if (local_user()) {
 843                 $menu = [
 844                         DI::l10n()->t('Follow Thread') => $sub_link,
 845                         DI::l10n()->t('View Status') => $status_link,
 846                         DI::l10n()->t('View Profile') => $profile_link,
 847                         DI::l10n()->t('View Photos') => $photos_link,
 848                         DI::l10n()->t('Network Posts') => $posts_link,
 849                         DI::l10n()->t('View Contact') => $contact_url,
 850                         DI::l10n()->t('Send PM') => $pm_url,
 851                         DI::l10n()->t('Block') => $block_link,
 852                         DI::l10n()->t('Ignore') => $ignore_link
 853                 ];
 854
 855                 if (!empty($item['language'])) {
 856                         $menu[DI::l10n()->t('Languages')] = 'javascript:alert(\'' . Item::getLanguageMessage($item) . '\');';
 857                 }
 858
 859                 if ($network == Protocol::DFRN) {
 860                         $menu[DI::l10n()->t("Poke")] = $poke_link;
 861                 }
 862
 863                 if ((($cid == 0) || ($rel == Contact::FOLLOWER)) &&
 864                         in_array($item['network'], Protocol::FEDERATED)) {
 865                         $menu[DI::l10n()->t('Connect/Follow')] = 'follow?url=' . urlencode($item['author-link']) . '&auto=1';
 866                 }
 867         } else {
 868                 $menu = [DI::l10n()->t('View Profile') => $item['author-link']];
 869         }
 870
 871         $args = ['item' => $item, 'menu' => $menu];
 872
 873         Hook::callAll('item_photo_menu', $args);
 874
 875         $menu = $args['menu'];
 876
 877         $o = '';
 878         foreach ($menu as $k => $v) {
 879                 if (strpos($v, 'javascript:') === 0) {
 880                         $v = substr($v, 11);
 881                         $o .= '<li role="menuitem"><a onclick="' . $v . '">' . $k . '</a></li>' . PHP_EOL;
 882                 } elseif ($v) {
 883                         $o .= '<li role="menuitem"><a href="' . $v . '">' . $k . '</a></li>' . PHP_EOL;
 884                 }
 885         }
 886         return $o;
 887 }
 888
 889 /**
 890  * Checks item to see if it is one of the builtin activities (like/dislike, event attendance, consensus items, etc.)
 891  *
 892  * Increments the count of each matching activity and adds a link to the author as needed.
 893  *
 894  * @param array  $activity
 895  * @param array &$conv_responses (already created with builtin activity structure)
 896  * @return void
 897  * @throws ImagickException
 898  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 899  */
 900 function builtin_activity_puller(array $activity, array &$conv_responses)
 901 {
 902         foreach ($conv_responses as $mode => $v) {
 903                 $sparkle = '';
 904
 905                 switch ($mode) {
 906                         case 'like':
 907                                 $verb = Activity::LIKE;
 908                                 break;
 909                         case 'dislike':
 910                                 $verb = Activity::DISLIKE;
 911                                 break;
 912                         case 'attendyes':
 913                                 $verb = Activity::ATTEND;
 914                                 break;
 915                         case 'attendno':
 916                                 $verb = Activity::ATTENDNO;
 917                                 break;
 918                         case 'attendmaybe':
 919                                 $verb = Activity::ATTENDMAYBE;
 920                                 break;
 921                         case 'announce':
 922                                 $verb = Activity::ANNOUNCE;
 923                                 break;
 924                         default:
 925                                 return;
 926                 }
 927
 928                 if (!empty($activity['verb']) && DI::activity()->match($activity['verb'], $verb) && ($activity['gravity'] != GRAVITY_PARENT)) {
 929                         $author = [
 930                                 'uid' => 0,
 931                                 'id' => $activity['author-id'],
 932                                 'network' => $activity['author-network'],
 933                                 'url' => $activity['author-link']
 934                         ];
 935                         $url = Contact::magicLinkByContact($author);
 936                         if (strpos($url, 'redir/') === 0) {
 937                                 $sparkle = ' class="sparkle" ';
 938                         }
 939
 940                         $link = '<a href="' . $url . '"' . $sparkle . '>' . htmlentities($activity['author-name']) . '</a>';
 941
 942                         if (empty($activity['thr-parent-id'])) {
 943                                 $activity['thr-parent-id'] = $activity['parent-uri-id'];
 944                         }
 945
 946                         // Skip when the causer of the parent is the same than the author of the announce
 947                         if (($verb == Activity::ANNOUNCE) && Post::exists(['uri-id' => $activity['thr-parent-id'],
 948                                 'uid' => $activity['uid'], 'causer-id' => $activity['author-id'], 'gravity' => GRAVITY_PARENT])) {
 949                                 continue;
 950                         }
 951
 952                         if (!isset($conv_responses[$mode][$activity['thr-parent-id']])) {
 953                                 $conv_responses[$mode][$activity['thr-parent-id']] = [
 954                                         'links' => [],
 955                                         'self' => 0,
 956                                 ];
 957                         } elseif (in_array($link, $conv_responses[$mode][$activity['thr-parent-id']]['links'])) {
 958                                 // only list each unique author once
 959                                 continue;
 960                         }
 961
 962                         if (public_contact() == $activity['author-id']) {
 963                                 $conv_responses[$mode][$activity['thr-parent-id']]['self'] = 1;
 964                         }
 965
 966                         $conv_responses[$mode][$activity['thr-parent-id']]['links'][] = $link;
 967
 968                         // there can only be one activity verb per item so if we found anything, we can stop looking
 969                         return;
 970                 }
 971         }
 972 }
 973
 974 /**
 975  * Format the activity text for an item/photo/video
 976  *
 977  * @param array  $links = array of pre-linked names of actors
 978  * @param string $verb  = one of 'like, 'dislike', 'attendyes', 'attendno', 'attendmaybe'
 979  * @param int    $id    = item id
 980  * @return string formatted text
 981  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 982  */
 983 function format_activity(array $links, $verb, $id) {
 984         $o = '';
 985         $expanded = '';
 986         $phrase = '';
 987
 988         $total = count($links);
 989         if ($total == 1) {
 990                 $likers = $links[0];
 991
 992                 // Phrase if there is only one liker. In other cases it will be uses for the expanded
 993                 // list which show all likers
 994                 switch ($verb) {
 995                         case 'like' :
 996                                 $phrase = DI::l10n()->t('%s likes this.', $likers);
 997                                 break;
 998                         case 'dislike' :
 999                                 $phrase = DI::l10n()->t('%s doesn\'t like this.', $likers);
1000                                 break;
1001                         case 'attendyes' :
1002                                 $phrase = DI::l10n()->t('%s attends.', $likers);
1003                                 break;
1004                         case 'attendno' :
1005                                 $phrase = DI::l10n()->t('%s doesn\'t attend.', $likers);
1006                                 break;
1007                         case 'attendmaybe' :
1008                                 $phrase = DI::l10n()->t('%s attends maybe.', $likers);
1009                                 break;
1010                         case 'announce' :
1011                                 $phrase = DI::l10n()->t('%s reshared this.', $likers);
1012                                 break;
1013                 }
1014         } elseif ($total > 1) {
1015                 if ($total < MAX_LIKERS) {
1016                         $likers = implode(', ', array_slice($links, 0, -1));
1017                         $likers .= ' ' . DI::l10n()->t('and') . ' ' . $links[count($links)-1];
1018                 } else  {
1019                         $likers = implode(', ', array_slice($links, 0, MAX_LIKERS - 1));
1020                         $likers .= ' ' . DI::l10n()->t('and %d other people', $total - MAX_LIKERS);
1021                 }
1022
1023                 $spanatts = "class=\"fakelink\" onclick=\"openClose('{$verb}list-$id');\"";
1024
1025                 $explikers = '';
1026                 switch ($verb) {
1027                         case 'like':
1028                                 $phrase = DI::l10n()->t('<span  %1$s>%2$d people</span> like this', $spanatts, $total);
1029                                 $explikers = DI::l10n()->t('%s like this.', $likers);
1030                                 break;
1031                         case 'dislike':
1032                                 $phrase = DI::l10n()->t('<span  %1$s>%2$d people</span> don\'t like this', $spanatts, $total);
1033                                 $explikers = DI::l10n()->t('%s don\'t like this.', $likers);
1034                                 break;
1035                         case 'attendyes':
1036                                 $phrase = DI::l10n()->t('<span  %1$s>%2$d people</span> attend', $spanatts, $total);
1037                                 $explikers = DI::l10n()->t('%s attend.', $likers);
1038                                 break;
1039                         case 'attendno':
1040                                 $phrase = DI::l10n()->t('<span  %1$s>%2$d people</span> don\'t attend', $spanatts, $total);
1041                                 $explikers = DI::l10n()->t('%s don\'t attend.', $likers);
1042                                 break;
1043                         case 'attendmaybe':
1044                                 $phrase = DI::l10n()->t('<span  %1$s>%2$d people</span> attend maybe', $spanatts, $total);
1045                                 $explikers = DI::l10n()->t('%s attend maybe.', $likers);
1046                                 break;
1047                         case 'announce':
1048                                 $phrase = DI::l10n()->t('<span  %1$s>%2$d people</span> reshared this', $spanatts, $total);
1049                                 $explikers = DI::l10n()->t('%s reshared this.', $likers);
1050                                 break;
1051                 }
1052
1053                 $expanded .= "\t" . '<p class="wall-item-' . $verb . '-expanded" id="' . $verb . 'list-' . $id . '" style="display: none;" >' . $explikers . EOL . '</p>';
1054         }
1055
1056         $o .= Renderer::replaceMacros(Renderer::getMarkupTemplate('voting_fakelink.tpl'), [
1057                 '$phrase' => $phrase,
1058                 '$type' => $verb,
1059                 '$id' => $id
1060         ]);
1061         $o .= $expanded;
1062
1063         return $o;
1064 }
1065
1066 function status_editor(App $a, $x, $notes_cid = 0, $popup = false)
1067 {
1068         $o = '';
1069
1070         $geotag = !empty($x['allow_location']) ? Renderer::replaceMacros(Renderer::getMarkupTemplate('jot_geotag.tpl'), []) : '';
1071
1072         $tpl = Renderer::getMarkupTemplate('jot-header.tpl');
1073         DI::page()['htmlhead'] .= Renderer::replaceMacros($tpl, [
1074                 '$newpost'   => 'true',
1075                 '$baseurl'   => DI::baseUrl()->get(true),
1076                 '$geotag'    => $geotag,
1077                 '$nickname'  => $x['nickname'],
1078                 '$ispublic'  => DI::l10n()->t('Visible to <strong>everybody</strong>'),
1079                 '$linkurl'   => DI::l10n()->t('Please enter a image/video/audio/webpage URL:'),
1080                 '$term'      => DI::l10n()->t('Tag term:'),
1081                 '$fileas'    => DI::l10n()->t('Save to Folder:'),
1082                 '$whereareu' => DI::l10n()->t('Where are you right now?'),
1083                 '$delitems'  => DI::l10n()->t("Delete item\x28s\x29?"),
1084                 '$is_mobile' => DI::mode()->isMobile(),
1085         ]);
1086
1087         $jotplugins = '';
1088         Hook::callAll('jot_tool', $jotplugins);
1089
1090         $tpl = Renderer::getMarkupTemplate("jot.tpl");
1091
1092         $o .= Renderer::replaceMacros($tpl, [
1093                 '$new_post' => DI::l10n()->t('New Post'),
1094                 '$return_path'  => DI::args()->getQueryString(),
1095                 '$action'       => 'item',
1096                 '$share'        => ($x['button'] ?? '') ?: DI::l10n()->t('Share'),
1097                 '$loading'      => DI::l10n()->t('Loading...'),
1098                 '$upload'       => DI::l10n()->t('Upload photo'),
1099                 '$shortupload'  => DI::l10n()->t('upload photo'),
1100                 '$attach'       => DI::l10n()->t('Attach file'),
1101                 '$shortattach'  => DI::l10n()->t('attach file'),
1102                 '$edbold'       => DI::l10n()->t('Bold'),
1103                 '$editalic'     => DI::l10n()->t('Italic'),
1104                 '$eduline'      => DI::l10n()->t('Underline'),
1105                 '$edquote'      => DI::l10n()->t('Quote'),
1106                 '$edcode'       => DI::l10n()->t('Code'),
1107                 '$edimg'        => DI::l10n()->t('Image'),
1108                 '$edurl'        => DI::l10n()->t('Link'),
1109                 '$edattach'     => DI::l10n()->t('Link or Media'),
1110                 '$edvideo'      => DI::l10n()->t('Video'),
1111                 '$setloc'       => DI::l10n()->t('Set your location'),
1112                 '$shortsetloc'  => DI::l10n()->t('set location'),
1113                 '$noloc'        => DI::l10n()->t('Clear browser location'),
1114                 '$shortnoloc'   => DI::l10n()->t('clear location'),
1115                 '$title'        => $x['title'] ?? '',
1116                 '$placeholdertitle' => DI::l10n()->t('Set title'),
1117                 '$category'     => $x['category'] ?? '',
1118                 '$placeholdercategory' => Feature::isEnabled(local_user(), 'categories') ? DI::l10n()->t("Categories \x28comma-separated list\x29") : '',
1119                 '$wait'         => DI::l10n()->t('Please wait'),
1120                 '$permset'      => DI::l10n()->t('Permission settings'),
1121                 '$shortpermset' => DI::l10n()->t('Permissions'),
1122                 '$wall'         => $notes_cid ? 0 : 1,
1123                 '$posttype'     => $notes_cid ? Item::PT_PERSONAL_NOTE : Item::PT_ARTICLE,
1124                 '$content'      => $x['content'] ?? '',
1125                 '$post_id'      => $x['post_id'] ?? '',
1126                 '$baseurl'      => DI::baseUrl()->get(true),
1127                 '$defloc'       => $x['default_location'],
1128                 '$visitor'      => $x['visitor'],
1129                 '$pvisit'       => $notes_cid ? 'none' : $x['visitor'],
1130                 '$public'       => DI::l10n()->t('Public post'),
1131                 '$lockstate'    => $x['lockstate'],
1132                 '$bang'         => $x['bang'],
1133                 '$profile_uid'  => $x['profile_uid'],
1134                 '$preview'      => DI::l10n()->t('Preview'),
1135                 '$jotplugins'   => $jotplugins,
1136                 '$notes_cid'    => $notes_cid,
1137                 '$cancel'       => DI::l10n()->t('Cancel'),
1138                 '$rand_num'     => Crypto::randomDigits(12),
1139
1140                 // ACL permissions box
1141                 '$acl'           => $x['acl'],
1142
1143                 //jot nav tab (used in some themes)
1144                 '$message' => DI::l10n()->t('Message'),
1145                 '$browser' => DI::l10n()->t('Browser'),
1146
1147                 '$compose_link_title' => DI::l10n()->t('Open Compose page'),
1148         ]);
1149
1150
1151         if ($popup == true) {
1152                 $o = '<div id="jot-popup" style="display: none;">' . $o . '</div>';
1153         }
1154
1155         return $o;
1156 }
1157
1158 /**
1159  * Plucks the children of the given parent from a given item list.
1160  *
1161  * @param array $item_list
1162  * @param array $parent
1163  * @param bool  $recursive
1164  * @return array
1165  */
1166 function get_item_children(array &$item_list, array $parent, $recursive = true)
1167 {
1168         $children = [];
1169         foreach ($item_list as $i => $item) {
1170                 if ($item['gravity'] != GRAVITY_PARENT) {
1171                         if ($recursive) {
1172                                 // Fallback to parent-uri if thr-parent is not set
1173                                 $thr_parent = $item['thr-parent-id'];
1174                                 if ($thr_parent == '') {
1175                                         $thr_parent = $item['parent-uri-id'];
1176                                 }
1177
1178                                 if ($thr_parent == $parent['uri-id']) {
1179                                         $item['children'] = get_item_children($item_list, $item);
1180                                         $children[] = $item;
1181                                         unset($item_list[$i]);
1182                                 }
1183                         } elseif ($item['parent-uri-id'] == $parent['uri-id']) {
1184                                 $children[] = $item;
1185                                 unset($item_list[$i]);
1186                         }
1187                 }
1188         }
1189         return $children;
1190 }
1191
1192 /**
1193  * Recursively sorts a tree-like item array
1194  *
1195  * @param array $items
1196  * @return array
1197  */
1198 function sort_item_children(array $items)
1199 {
1200         $result = $items;
1201         usort($result, 'sort_thr_received_rev');
1202         foreach ($result as $k => $i) {
1203                 if (isset($result[$k]['children'])) {
1204                         $result[$k]['children'] = sort_item_children($result[$k]['children']);
1205                 }
1206         }
1207         return $result;
1208 }
1209
1210 /**
1211  * Recursively add all children items at the top level of a list
1212  *
1213  * @param array $children List of items to append
1214  * @param array $item_list
1215  */
1216 function add_children_to_list(array $children, array &$item_list)
1217 {
1218         foreach ($children as $child) {
1219                 $item_list[] = $child;
1220                 if (isset($child['children'])) {
1221                         add_children_to_list($child['children'], $item_list);
1222                 }
1223         }
1224 }
1225
1226 /**
1227  * Selectively flattens a tree-like item structure to prevent threading stairs
1228  *
1229  * This recursive function takes the item tree structure created by conv_sort() and
1230  * flatten the extraneous depth levels when people reply sequentially, removing the
1231  * stairs effect in threaded conversations limiting the available content width.
1232  *
1233  * The basic principle is the following: if a post item has only one reply and is
1234  * the last reply of its parent, then the reply is moved to the parent.
1235  *
1236  * This process is rendered somewhat more complicated because items can be either
1237  * replies or likes, and these don't factor at all in the reply count/last reply.
1238  *
1239  * @param array $parent A tree-like array of items
1240  * @return array
1241  */
1242 function smart_flatten_conversation(array $parent)
1243 {
1244         if (!isset($parent['children']) || count($parent['children']) == 0) {
1245                 return $parent;
1246         }
1247
1248         // We use a for loop to ensure we process the newly-moved items
1249         for ($i = 0; $i < count($parent['children']); $i++) {
1250                 $child = $parent['children'][$i];
1251
1252                 if (isset($child['children']) && count($child['children'])) {
1253                         // This helps counting only the regular posts
1254                         $count_post_closure = function($var) {
1255                                 return $var['verb'] === Activity::POST;
1256                         };
1257
1258                         $child_post_count = count(array_filter($child['children'], $count_post_closure));
1259
1260                         $remaining_post_count = count(array_filter(array_slice($parent['children'], $i), $count_post_closure));
1261
1262                         // If there's only one child's children post and this is the last child post
1263                         if ($child_post_count == 1 && $remaining_post_count == 1) {
1264
1265                                 // Searches the post item in the children
1266                                 $j = 0;
1267                                 while($child['children'][$j]['verb'] !== Activity::POST && $j < count($child['children'])) {
1268                                         $j ++;
1269                                 }
1270
1271                                 $moved_item = $child['children'][$j];
1272                                 unset($parent['children'][$i]['children'][$j]);
1273                                 $parent['children'][] = $moved_item;
1274                         } else {
1275                                 $parent['children'][$i] = smart_flatten_conversation($child);
1276                         }
1277                 }
1278         }
1279
1280         return $parent;
1281 }
1282
1283
1284 /**
1285  * Expands a flat list of items into corresponding tree-like conversation structures.
1286  *
1287  * sort the top-level posts either on "received" or "commented", and finally
1288  * append all the items at the top level (???)
1289  *
1290  * @param array  $item_list A list of items belonging to one or more conversations
1291  * @param string $order     Either on "received" or "commented"
1292  * @return array
1293  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1294  */
1295 function conv_sort(array $item_list, $order)
1296 {
1297         $parents = [];
1298
1299         if (!(is_array($item_list) && count($item_list))) {
1300                 return $parents;
1301         }
1302
1303         $blocklist = conv_get_blocklist();
1304
1305         $item_array = [];
1306
1307         // Dedupes the item list on the uri to prevent infinite loops
1308         foreach ($item_list as $item) {
1309                 if (in_array($item['author-id'], $blocklist)) {
1310                         continue;
1311                 }
1312
1313                 $item_array[$item['uri-id']] = $item;
1314         }
1315
1316         // Extract the top level items
1317         foreach ($item_array as $item) {
1318                 if ($item['gravity'] == GRAVITY_PARENT) {
1319                         $parents[] = $item;
1320                 }
1321         }
1322
1323         if (stristr($order, 'pinned_received')) {
1324                 usort($parents, 'sort_thr_pinned_received');
1325         } elseif (stristr($order, 'received')) {
1326                 usort($parents, 'sort_thr_received');
1327         } elseif (stristr($order, 'commented')) {
1328                 usort($parents, 'sort_thr_commented');
1329         }
1330
1331         /*
1332          * Plucks children from the item_array, second pass collects eventual orphan
1333          * items and add them as children of their top-level post.
1334          */
1335         foreach ($parents as $i => $parent) {
1336                 $parents[$i]['children'] =
1337                         array_merge(get_item_children($item_array, $parent, true),
1338                                 get_item_children($item_array, $parent, false));
1339         }
1340
1341         foreach ($parents as $i => $parent) {
1342                 $parents[$i]['children'] = sort_item_children($parents[$i]['children']);
1343         }
1344
1345         if (!DI::pConfig()->get(local_user(), 'system', 'no_smart_threading', 0)) {
1346                 foreach ($parents as $i => $parent) {
1347                         $parents[$i] = smart_flatten_conversation($parent);
1348                 }
1349         }
1350
1351         /// @TODO: Stop recusrsively adding all children back to the top level (!!!)
1352         /// However, this apparently ensures responses (likes, attendance) display (?!)
1353         foreach ($parents as $parent) {
1354                 if (count($parent['children'])) {
1355                         add_children_to_list($parent['children'], $parents);
1356                 }
1357         }
1358
1359         return $parents;
1360 }
1361
1362 /**
1363  * usort() callback to sort item arrays by pinned and the received key
1364  *
1365  * @param array $a
1366  * @param array $b
1367  * @return int
1368  */
1369 function sort_thr_pinned_received(array $a, array $b)
1370 {
1371         if ($b['pinned'] && !$a['pinned']) {
1372                 return 1;
1373         } elseif (!$b['pinned'] && $a['pinned']) {
1374                 return -1;
1375         }
1376
1377         return strcmp($b['received'], $a['received']);
1378 }
1379
1380 /**
1381  * usort() callback to sort item arrays by the received key
1382  *
1383  * @param array $a
1384  * @param array $b
1385  * @return int
1386  */
1387 function sort_thr_received(array $a, array $b)
1388 {
1389         return strcmp($b['received'], $a['received']);
1390 }
1391
1392 /**
1393  * usort() callback to reverse sort item arrays by the received key
1394  *
1395  * @param array $a
1396  * @param array $b
1397  * @return int
1398  */
1399 function sort_thr_received_rev(array $a, array $b)
1400 {
1401         return strcmp($a['received'], $b['received']);
1402 }
1403
1404 /**
1405  * usort() callback to sort item arrays by the commented key
1406  *
1407  * @param array $a
1408  * @param array $b
1409  * @return int
1410  */
1411 function sort_thr_commented(array $a, array $b)
1412 {
1413         return strcmp($b['commented'], $a['commented']);
1414 }