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         $profile_owner = 0;
 276         $live_update_div = '';
 277
 278         $blocklist = conv_get_blocklist();
 279
 280         $previewing = (($preview) ? ' preview ' : '');
 281
 282         if ($mode === 'network') {
 283                 $items = conversation_add_children($items, false, $order, $uid);
 284                 $profile_owner = local_user();
 285                 if (!$update) {
 286                         /*
 287                          * The special div is needed for liveUpdate to kick in for this page.
 288                          * We only launch liveUpdate if you aren't filtering in some incompatible
 289                          * way and also you aren't writing a comment (discovered in javascript).
 290                          */
 291                         $live_update_div = '<div id="live-network"></div>' . "\r\n"
 292                                 . "<script> var profile_uid = " . $_SESSION['uid']
 293                                 . "; var netargs = '" . substr(DI::args()->getCommand(), 8)
 294                                 . '?f='
 295                                 . (!empty($_GET['contactid']) ? '&contactid=' . rawurlencode($_GET['contactid']) : '')
 296                                 . (!empty($_GET['search'])    ? '&search='    . rawurlencode($_GET['search'])    : '')
 297                                 . (!empty($_GET['star'])      ? '&star='      . rawurlencode($_GET['star'])      : '')
 298                                 . (!empty($_GET['order'])     ? '&order='     . rawurlencode($_GET['order'])     : '')
 299                                 . (!empty($_GET['bmark'])     ? '&bmark='     . rawurlencode($_GET['bmark'])     : '')
 300                                 . (!empty($_GET['liked'])     ? '&liked='     . rawurlencode($_GET['liked'])     : '')
 301                                 . (!empty($_GET['conv'])      ? '&conv='      . rawurlencode($_GET['conv'])      : '')
 302                                 . (!empty($_GET['nets'])      ? '&nets='      . rawurlencode($_GET['nets'])      : '')
 303                                 . (!empty($_GET['cmin'])      ? '&cmin='      . rawurlencode($_GET['cmin'])      : '')
 304                                 . (!empty($_GET['cmax'])      ? '&cmax='      . rawurlencode($_GET['cmax'])      : '')
 305                                 . (!empty($_GET['file'])      ? '&file='      . rawurlencode($_GET['file'])      : '')
 306
 307                                 . "'; </script>\r\n";
 308                 }
 309         } elseif ($mode === 'profile') {
 310                 $items = conversation_add_children($items, false, $order, $uid);
 311                 $profile_owner = $a->profile['uid'];
 312
 313                 if (!$update) {
 314                         $tab = 'posts';
 315                         if (!empty($_GET['tab'])) {
 316                                 $tab = Strings::escapeTags(trim($_GET['tab']));
 317                         }
 318                         if ($tab === 'posts') {
 319                                 /*
 320                                  * This is ugly, but we can't pass the profile_uid through the session to the ajax updater,
 321                                  * because browser prefetching might change it on us. We have to deliver it with the page.
 322                                  */
 323
 324                                 $live_update_div = '<div id="live-profile"></div>' . "\r\n"
 325                                         . "<script> var profile_uid = " . $a->profile['uid']
 326                                         . "; var netargs = '?f='; </script>\r\n";
 327                         }
 328                 }
 329         } elseif ($mode === 'notes') {
 330                 $items = conversation_add_children($items, false, $order, local_user());
 331                 $profile_owner = local_user();
 332
 333                 if (!$update) {
 334                         $live_update_div = '<div id="live-notes"></div>' . "\r\n"
 335                                 . "<script> var profile_uid = " . local_user()
 336                                 . "; var netargs = '/?f='; </script>\r\n";
 337                 }
 338         } elseif ($mode === 'display') {
 339                 $items = conversation_add_children($items, false, $order, $uid);
 340                 $profile_owner = $a->profile['uid'];
 341
 342                 if (!$update) {
 343                         $live_update_div = '<div id="live-display"></div>' . "\r\n"
 344                                 . "<script> var profile_uid = " . Session::get('uid', 0) . ";"
 345                                 . "</script>";
 346                 }
 347         } elseif ($mode === 'community') {
 348                 $items = conversation_add_children($items, true, $order, $uid);
 349                 $profile_owner = 0;
 350
 351                 if (!$update) {
 352                         $live_update_div = '<div id="live-community"></div>' . "\r\n"
 353                                 . "<script> var profile_uid = -1; var netargs = '" . substr(DI::args()->getCommand(), 10)
 354                                 . '?f='
 355                                 . (!empty($_GET['no_sharer']) ? '&no_sharer=' . rawurlencode($_GET['no_sharer']) : '')
 356                                 . "'; </script>\r\n";
 357                 }
 358         } elseif ($mode === 'contacts') {
 359                 $items = conversation_add_children($items, false, $order, $uid);
 360                 $profile_owner = 0;
 361
 362                 if (!$update) {
 363                         $live_update_div = '<div id="live-contact"></div>' . "\r\n"
 364                                 . "<script> var profile_uid = -1; var netargs = '" . substr(DI::args()->getCommand(), 8)
 365                                 ."/?f='; </script>\r\n";
 366                 }
 367         } elseif ($mode === 'search') {
 368                 $live_update_div = '<div id="live-search"></div>' . "\r\n";
 369         }
 370
 371         $page_dropping = ((local_user() && local_user() == $profile_owner) ? true : false);
 372
 373         if (!$update) {
 374                 $_SESSION['return_path'] = DI::args()->getQueryString();
 375         }
 376
 377         $cb = ['items' => $items, 'mode' => $mode, 'update' => $update, 'preview' => $preview];
 378         Hook::callAll('conversation_start', $cb);
 379
 380         $items = $cb['items'];
 381
 382         $conv_responses = [
 383                 'like'        => [],
 384                 'dislike'     => [],
 385                 'attendyes'   => [],
 386                 'attendno'    => [],
 387                 'attendmaybe' => [],
 388                 'announce'    => [],
 389         ];
 390
 391         if (DI::pConfig()->get(local_user(), 'system', 'hide_dislike')) {
 392                 unset($conv_responses['dislike']);
 393         }
 394
 395         // array with html for each thread (parent+comments)
 396         $threads = [];
 397         $threadsid = -1;
 398
 399         $page_template = Renderer::getMarkupTemplate("conversation.tpl");
 400
 401         if (!empty($items)) {
 402                 if (in_array($mode, ['community', 'contacts'])) {
 403                         $writable = true;
 404                 } else {
 405                         $writable = ($items[0]['uid'] == 0) && in_array($items[0]['network'], Protocol::FEDERATED);
 406                 }
 407
 408                 if (!local_user()) {
 409                         $writable = false;
 410                 }
 411
 412                 if (in_array($mode, ['filed', 'search', 'contact-posts'])) {
 413
 414                         /*
 415                          * "New Item View" on network page or search page results
 416                          * - just loop through the items and format them minimally for display
 417                          */
 418
 419                         $tpl = 'search_item.tpl';
 420
 421                         foreach ($items as $item) {
 422
 423                                 if (!visible_activity($item)) {
 424                                         continue;
 425                                 }
 426
 427                                 if (in_array($item['author-id'], $blocklist)) {
 428                                         continue;
 429                                 }
 430
 431                                 $threadsid++;
 432
 433                                 // prevent private email from leaking.
 434                                 if ($item['network'] === Protocol::MAIL && local_user() != $item['uid']) {
 435                                         continue;
 436                                 }
 437
 438                                 $profile_name = $item['author-name'];
 439                                 if (!empty($item['author-link']) && empty($item['author-name'])) {
 440                                         $profile_name = $item['author-link'];
 441                                 }
 442
 443                                 $tags = Tag::populateFromItem($item);
 444
 445                                 $author = ['uid' => 0, 'id' => $item['author-id'],
 446                                         'network' => $item['author-network'], 'url' => $item['author-link']];
 447                                 $profile_link = Contact::magicLinkByContact($author);
 448
 449                                 $sparkle = '';
 450                                 if (strpos($profile_link, 'redir/') === 0) {
 451                                         $sparkle = ' sparkle';
 452                                 }
 453
 454                                 $locate = ['location' => $item['location'], 'coord' => $item['coord'], 'html' => ''];
 455                                 Hook::callAll('render_location', $locate);
 456                                 $location_html = $locate['html'] ?: Strings::escapeHtml($locate['location'] ?: $locate['coord'] ?: '');
 457
 458                                 localize_item($item);
 459                                 if ($mode === 'filed') {
 460                                         $dropping = true;
 461                                 } else {
 462                                         $dropping = false;
 463                                 }
 464
 465                                 $drop = [
 466                                         'dropping' => $dropping,
 467                                         'pagedrop' => $page_dropping,
 468                                         'select' => DI::l10n()->t('Select'),
 469                                         'delete' => DI::l10n()->t('Delete'),
 470                                 ];
 471
 472                                 $likebuttons = [
 473                                         'like'     => null,
 474                                         'dislike'  => null,
 475                                         'share'    => null,
 476                                         'announce' => null,
 477                                 ];
 478
 479                                 if (DI::pConfig()->get(local_user(), 'system', 'hide_dislike')) {
 480                                         unset($likebuttons['dislike']);
 481                                 }
 482
 483                                 $body_html = Item::prepareBody($item, true, $preview);
 484
 485                                 list($categories, $folders) = DI::contentItem()->determineCategoriesTerms($item);
 486
 487                                 if (!empty($item['content-warning']) && DI::pConfig()->get(local_user(), 'system', 'disable_cw', false)) {
 488                                         $title = ucfirst($item['content-warning']);
 489                                 } else {
 490                                         $title = $item['title'];
 491                                 }
 492
 493                                 $tmp_item = [
 494                                         'template' => $tpl,
 495                                         'id' => ($preview ? 'P0' : $item['id']),
 496                                         'guid' => ($preview ? 'Q0' : $item['guid']),
 497                                         'commented' => $item['commented'],
 498                                         'received' => $item['received'],
 499                                         'created_date' => $item['created'],
 500                                         'uriid' => $item['uri-id'],
 501                                         'network' => $item['network'],
 502                                         'network_name' => ContactSelector::networkToName($item['author-network'], $item['author-link'], $item['network']),
 503                                         'network_icon' => ContactSelector::networkToIcon($item['network'], $item['author-link']),
 504                                         'linktitle' => DI::l10n()->t('View %s\'s profile @ %s', $profile_name, $item['author-link']),
 505                                         'profile_url' => $profile_link,
 506                                         'item_photo_menu_html' => item_photo_menu($item),
 507                                         'name' => $profile_name,
 508                                         'sparkle' => $sparkle,
 509                                         'lock' => false,
 510                                         'thumb' => DI::baseUrl()->remove(Contact::getAvatarUrlForUrl($item['author-link'], $item['uid'], Proxy::SIZE_THUMB)),
 511                                         'title' => $title,
 512                                         'body_html' => $body_html,
 513                                         'tags' => $tags['tags'],
 514                                         'hashtags' => $tags['hashtags'],
 515                                         'mentions' => $tags['mentions'],
 516                                         'implicit_mentions' => $tags['implicit_mentions'],
 517                                         'txt_cats' => DI::l10n()->t('Categories:'),
 518                                         'txt_folders' => DI::l10n()->t('Filed under:'),
 519                                         'has_cats' => ((count($categories)) ? 'true' : ''),
 520                                         'has_folders' => ((count($folders)) ? 'true' : ''),
 521                                         'categories' => $categories,
 522                                         'folders' => $folders,
 523                                         'text' => strip_tags($body_html),
 524                                         'localtime' => DateTimeFormat::local($item['created'], 'r'),
 525                                         'ago' => (($item['app']) ? DI::l10n()->t('%s from %s', Temporal::getRelativeDate($item['created']), $item['app']) : Temporal::getRelativeDate($item['created'])),
 526                                         'location_html' => $location_html,
 527                                         'indent' => '',
 528                                         'owner_name' => '',
 529                                         'owner_url' => '',
 530                                         'owner_photo' => DI::baseUrl()->remove(Contact::getAvatarUrlForUrl($item['owner-link'], $item['uid'], Proxy::SIZE_THUMB)),
 531                                         'plink' => Item::getPlink($item),
 532                                         'edpost' => false,
 533                                         'isstarred' => 'unstarred',
 534                                         'star' => false,
 535                                         'drop' => $drop,
 536                                         'vote' => $likebuttons,
 537                                         'like_html' => '',
 538                                         'dislike_html' => '',
 539                                         'comment_html' => '',
 540                                         'conv' => (($preview) ? '' : ['href'=> 'display/'.$item['guid'], 'title'=> DI::l10n()->t('View in context')]),
 541                                         'previewing' => $previewing,
 542                                         'wait' => DI::l10n()->t('Please wait'),
 543                                         'thread_level' => 1,
 544                                 ];
 545
 546                                 $arr = ['item' => $item, 'output' => $tmp_item];
 547                                 Hook::callAll('display_item', $arr);
 548
 549                                 $threads[$threadsid]['id'] = $item['id'];
 550                                 $threads[$threadsid]['network'] = $item['network'];
 551                                 $threads[$threadsid]['items'] = [$arr['output']];
 552
 553                         }
 554                 } else {
 555                         // Normal View
 556                         $page_template = Renderer::getMarkupTemplate("threaded_conversation.tpl");
 557
 558                         $conv = new Thread($mode, $preview, $writable);
 559
 560                         /*
 561                          * get all the topmost parents
 562                          * this shouldn't be needed, as we should have only them in our array
 563                          * But for now, this array respects the old style, just in case
 564                          */
 565                         foreach ($items as $item) {
 566                                 if (in_array($item['author-id'], $blocklist)) {
 567                                         continue;
 568                                 }
 569
 570                                 // Can we put this after the visibility check?
 571                                 builtin_activity_puller($item, $conv_responses);
 572
 573                                 // Only add what is visible
 574                                 if ($item['network'] === Protocol::MAIL && local_user() != $item['uid']) {
 575                                         continue;
 576                                 }
 577
 578                                 if (!visible_activity($item)) {
 579                                         continue;
 580                                 }
 581
 582                                 /// @todo Check if this call is needed or not
 583                                 $arr = ['item' => $item];
 584                                 Hook::callAll('display_item', $arr);
 585
 586                                 $item['pagedrop'] = $page_dropping;
 587
 588                                 if ($item['gravity'] == GRAVITY_PARENT) {
 589                                         $item_object = new PostObject($item);
 590                                         $conv->addParent($item_object);
 591                                 }
 592                         }
 593
 594                         $threads = $conv->getTemplateData($conv_responses);
 595                         if (!$threads) {
 596                                 Logger::log('[ERROR] conversation : Failed to get template data.', Logger::DEBUG);
 597                                 $threads = [];
 598                         }
 599                 }
 600         }
 601
 602         $o = Renderer::replaceMacros($page_template, [
 603                 '$baseurl' => DI::baseUrl()->get($ssl_state),
 604                 '$return_path' => DI::args()->getQueryString(),
 605                 '$live_update' => $live_update_div,
 606                 '$remove' => DI::l10n()->t('remove'),
 607                 '$mode' => $mode,
 608                 '$update' => $update,
 609                 '$user' => $a->user,
 610                 '$threads' => $threads,
 611                 '$dropping' => ($page_dropping ? DI::l10n()->t('Delete Selected Items') : False),
 612         ]);
 613
 614         return $o;
 615 }
 616
 617 /**
 618  * Fetch all comments from a query. Additionally set the newest resharer as thread owner.
 619  *
 620  * @param mixed   $thread_items Database statement with thread posts
 621  * @param boolean $pinned       Is the item pinned?
 622  * @param array   $activity     Contact data of the resharer
 623  *
 624  * @return array items with parents and comments
 625  */
 626 function conversation_fetch_comments($thread_items, bool $pinned, array $activity) {
 627         $comments = [];
 628
 629         while ($row = Post::fetch($thread_items)) {
 630                 if (!empty($activity)) {
 631                         if (($row['gravity'] == GRAVITY_PARENT)) {
 632                                 $row['post-reason'] = Item::PR_ANNOUNCEMENT;
 633                                 $row = array_merge($row, $activity);
 634                                 $contact = Contact::getById($activity['causer-id'], ['url', 'name', 'thumb']);
 635                                 $row['causer-link'] = $contact['url'];
 636                                 $row['causer-avatar'] = $contact['thumb'];
 637                                 $row['causer-name'] = $contact['name'];
 638                         } elseif (($row['gravity'] == GRAVITY_ACTIVITY) && ($row['verb'] == Activity::ANNOUNCE) &&
 639                                 ($row['author-id'] == $activity['causer-id'])) {
 640                                 continue;
 641                         }
 642                 }
 643
 644                 switch ($row['post-reason']) {
 645                         case Item::PR_TO:
 646                                 $row['direction'] = ['direction' => 7, 'title' => DI::l10n()->t('You had been addressed (%s).', 'to')];
 647                                 break;
 648                         case Item::PR_CC:
 649                                 $row['direction'] = ['direction' => 7, 'title' => DI::l10n()->t('You had been addressed (%s).', 'cc')];
 650                                 break;
 651                         case Item::PR_BTO:
 652                                 $row['direction'] = ['direction' => 7, 'title' => DI::l10n()->t('You had been addressed (%s).', 'bto')];
 653                                 break;
 654                         case Item::PR_BCC:
 655                                 $row['direction'] = ['direction' => 7, 'title' => DI::l10n()->t('You had been addressed (%s).', 'bcc')];
 656                                 break;
 657                         case Item::PR_FOLLOWER:
 658                                 $row['direction'] = ['direction' => 6, 'title' => DI::l10n()->t('You are following %s.', $row['author-name'])];
 659                                 break;
 660                         case Item::PR_TAG:
 661                                 $row['direction'] = ['direction' => 4, 'title' => DI::l10n()->t('Tagged')];
 662                                 break;
 663                         case Item::PR_ANNOUNCEMENT:
 664                                 if (!empty($row['causer-id']) && DI::pConfig()->get(local_user(), 'system', 'display_resharer')) {
 665                                         $row['owner-id'] = $row['causer-id'];
 666                                         $row['owner-link'] = $row['causer-link'];
 667                                         $row['owner-avatar'] = $row['causer-avatar'];
 668                                         $row['owner-name'] = $row['causer-name'];
 669                                 }
 670
 671                                 if (($row['gravity'] == GRAVITY_PARENT) && !empty($row['causer-id'])) {
 672                                         $causer = ['uid' => 0, 'id' => $row['causer-id'],
 673                                                 'network' => $row['causer-network'], 'url' => $row['causer-link']];
 674                                         $row['reshared'] = DI::l10n()->t('%s reshared this.', '<a href="'. htmlentities(Contact::magicLinkByContact($causer)) .'">' . htmlentities($row['causer-name']) . '</a>');
 675                                 }
 676                                 $row['direction'] = ['direction' => 3, 'title' => (empty($row['causer-id']) ? DI::l10n()->t('Reshared') : DI::l10n()->t('Reshared by %s <%s>', $row['causer-name'], $row['causer-link']))];
 677                                 break;
 678                         case Item::PR_COMMENT:
 679                                 $row['direction'] = ['direction' => 5, 'title' => DI::l10n()->t('%s is participating in this thread.', $row['author-name'])];
 680                                 break;
 681                         case Item::PR_STORED:
 682                                 $row['direction'] = ['direction' => 8, 'title' => DI::l10n()->t('Stored')];
 683                                 break;
 684                         case Item::PR_GLOBAL:
 685                                 $row['direction'] = ['direction' => 9, 'title' => DI::l10n()->t('Global')];
 686                                 break;
 687                         case Item::PR_RELAY:
 688                                 $row['direction'] = ['direction' => 10, 'title' => (empty($row['causer-id']) ? DI::l10n()->t('Relayed') : DI::l10n()->t('Relayed by %s <%s>', $row['causer-name'], $row['causer-link']))];
 689                                 break;
 690                         case Item::PR_FETCHED:
 691                                 $row['direction'] = ['direction' => 2, 'title' => (empty($row['causer-id']) ? DI::l10n()->t('Fetched') : DI::l10n()->t('Fetched because of %s <%s>', $row['causer-name'], $row['causer-link']))];
 692                                 break;
 693                         }
 694
 695                 if ($row['gravity'] == GRAVITY_PARENT) {
 696                         $row['pinned'] = $pinned;
 697                 }
 698
 699                 $comments[] = $row;
 700         }
 701
 702         DBA::close($thread_items);
 703
 704         return $comments;
 705 }
 706
 707 /**
 708  * Add comments to top level entries that had been fetched before
 709  *
 710  * The system will fetch the comments for the local user whenever possible.
 711  * This behaviour is currently needed to allow commenting on Friendica posts.
 712  *
 713  * @param array $parents Parent items
 714  *
 715  * @param       $block_authors
 716  * @param       $order
 717  * @param       $uid
 718  * @return array items with parents and comments
 719  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 720  */
 721 function conversation_add_children(array $parents, $block_authors, $order, $uid) {
 722         if (count($parents) > 1) {
 723                 $max_comments = DI::config()->get('system', 'max_comments', 100);
 724         } else {
 725                 $max_comments = DI::config()->get('system', 'max_display_comments', 1000);
 726         }
 727
 728         $params = ['order' => ['gravity', 'uid', 'commented' => true]];
 729
 730         if ($max_comments > 0) {
 731                 $params['limit'] = $max_comments;
 732         }
 733
 734         $items = [];
 735
 736         foreach ($parents AS $parent) {
 737                 if (!empty($parent['thr-parent-id']) && !empty($parent['gravity']) && ($parent['gravity'] == GRAVITY_ACTIVITY)) {
 738                         $condition = ["`parent-uri-id` = ? AND `uid` IN (0, ?) AND (`vid` != ? OR `vid` IS NULL)",
 739                                 $parent['thr-parent-id'], $uid, Verb::getID(Activity::FOLLOW)];
 740                         if (!empty($parent['author-id'])) {
 741                                 $activity = ['causer-id' => $parent['author-id']];
 742                                 foreach (['commented', 'received', 'created'] as $orderfields) {
 743                                         if (!empty($parent[$orderfields])) {
 744                                                 $activity[$orderfields] = $parent[$orderfields];
 745                                         }
 746                                 }
 747                         }
 748                 } else {
 749                         $condition = ["`parent-uri-id` = ? AND `uid` IN (0, ?) AND (`vid` != ? OR `vid` IS NULL)",
 750                                 $parent['uri-id'], $uid, Verb::getID(Activity::FOLLOW)];
 751                         $activity = [];
 752                 }
 753                 $items = conversation_fetch_items($parent, $items, $condition, $block_authors, $params, $activity);
 754         }
 755
 756         foreach ($items as $index => $item) {
 757                 if ($item['uid'] == 0) {
 758                         $items[$index]['writable'] = in_array($item['network'], Protocol::FEDERATED);
 759                 }
 760         }
 761
 762         $items = conv_sort($items, $order);
 763
 764         return $items;
 765 }
 766
 767 /**
 768  * Fetch conversation items
 769  *
 770  * @param array   $parent        Parent Item array
 771  * @param array   $items         Item array
 772  * @param array   $condition     SQL condition
 773  * @param boolean $block_authors Don't show posts from contacts that are hidden (used on the community page)
 774  * @param array   $params        SQL parameters
 775  * @param array   $activity      Contact data of the resharer
 776  * @return array
 777  */
 778 function conversation_fetch_items(array $parent, array $items, array $condition, bool $block_authors, array $params, array $activity) {
 779         if ($block_authors) {
 780                 $condition[0] .= " AND NOT `author-hidden`";
 781         }
 782
 783         $thread_items = Post::selectForUser(local_user(), array_merge(Item::DISPLAY_FIELDLIST, ['pinned', 'contact-uid', 'gravity', 'post-type', 'post-reason']), $condition, $params);
 784
 785         $comments = conversation_fetch_comments($thread_items, $parent['pinned'] ?? false, $activity);
 786
 787         if (count($comments) != 0) {
 788                 $items = array_merge($items, $comments);
 789         }
 790         return $items;
 791 }
 792
 793 function item_photo_menu($item)
 794 {
 795         $sub_link = '';
 796         $poke_link = '';
 797         $contact_url = '';
 798         $pm_url = '';
 799         $status_link = '';
 800         $photos_link = '';
 801         $posts_link = '';
 802         $block_link = '';
 803         $ignore_link = '';
 804
 805         if (local_user() && local_user() == $item['uid'] && $item['gravity'] == GRAVITY_PARENT && !$item['self'] && !$item['mention']) {
 806                 $sub_link = 'javascript:doFollowThread(' . $item['id'] . '); return false;';
 807         }
 808
 809         $author = ['uid' => 0, 'id' => $item['author-id'],
 810                 'network' => $item['author-network'], 'url' => $item['author-link']];
 811         $profile_link = Contact::magicLinkByContact($author, $item['author-link']);
 812         $sparkle = (strpos($profile_link, 'redir/') === 0);
 813
 814         $cid = 0;
 815         $pcid = $item['author-id'];
 816         $network = '';
 817         $rel = 0;
 818         $condition = ['uid' => local_user(), 'nurl' => Strings::normaliseLink($item['author-link'])];
 819         $contact = DBA::selectFirst('contact', ['id', 'network', 'rel'], $condition);
 820         if (DBA::isResult($contact)) {
 821                 $cid = $contact['id'];
 822                 $network = $contact['network'];
 823                 $rel = $contact['rel'];
 824         }
 825
 826         if ($sparkle) {
 827                 $status_link = $profile_link . '/status';
 828                 $photos_link = str_replace('/profile/', '/photos/', $profile_link);
 829                 $profile_link = $profile_link . '/profile';
 830         }
 831
 832         if (!empty($pcid)) {
 833                 $contact_url = 'contact/' . $pcid;
 834                 $posts_link  = $contact_url . '/posts';
 835                 $block_link  = $item['self'] ? '' : $contact_url . '/block';
 836                 $ignore_link = $item['self'] ? '' : $contact_url . '/ignore';
 837         }
 838
 839         if ($cid && !$item['self']) {
 840                 $contact_url = 'contact/' . $cid;
 841                 $poke_link   = $contact_url . '/poke';
 842                 $posts_link  = $contact_url . '/posts';
 843
 844                 if (in_array($network, [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA])) {
 845                         $pm_url = 'message/new/' . $cid;
 846                 }
 847         }
 848
 849         if (local_user()) {
 850                 $menu = [
 851                         DI::l10n()->t('Follow Thread') => $sub_link,
 852                         DI::l10n()->t('View Status') => $status_link,
 853                         DI::l10n()->t('View Profile') => $profile_link,
 854                         DI::l10n()->t('View Photos') => $photos_link,
 855                         DI::l10n()->t('Network Posts') => $posts_link,
 856                         DI::l10n()->t('View Contact') => $contact_url,
 857                         DI::l10n()->t('Send PM') => $pm_url,
 858                         DI::l10n()->t('Block') => $block_link,
 859                         DI::l10n()->t('Ignore') => $ignore_link
 860                 ];
 861
 862                 if (!empty($item['language'])) {
 863                         $menu[DI::l10n()->t('Languages')] = 'javascript:alert(\'' . Item::getLanguageMessage($item) . '\');';
 864                 }
 865
 866                 if ($network == Protocol::DFRN) {
 867                         $menu[DI::l10n()->t("Poke")] = $poke_link;
 868                 }
 869
 870                 if ((($cid == 0) || ($rel == Contact::FOLLOWER)) &&
 871                         in_array($item['network'], Protocol::FEDERATED)) {
 872                         $menu[DI::l10n()->t('Connect/Follow')] = 'follow?url=' . urlencode($item['author-link']) . '&auto=1';
 873                 }
 874         } else {
 875                 $menu = [DI::l10n()->t('View Profile') => $item['author-link']];
 876         }
 877
 878         $args = ['item' => $item, 'menu' => $menu];
 879
 880         Hook::callAll('item_photo_menu', $args);
 881
 882         $menu = $args['menu'];
 883
 884         $o = '';
 885         foreach ($menu as $k => $v) {
 886                 if (strpos($v, 'javascript:') === 0) {
 887                         $v = substr($v, 11);
 888                         $o .= '<li role="menuitem"><a onclick="' . $v . '">' . $k . '</a></li>' . PHP_EOL;
 889                 } elseif ($v) {
 890                         $o .= '<li role="menuitem"><a href="' . $v . '">' . $k . '</a></li>' . PHP_EOL;
 891                 }
 892         }
 893         return $o;
 894 }
 895
 896 /**
 897  * Checks item to see if it is one of the builtin activities (like/dislike, event attendance, consensus items, etc.)
 898  *
 899  * Increments the count of each matching activity and adds a link to the author as needed.
 900  *
 901  * @param array  $activity
 902  * @param array &$conv_responses (already created with builtin activity structure)
 903  * @return void
 904  * @throws ImagickException
 905  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 906  */
 907 function builtin_activity_puller(array $activity, array &$conv_responses)
 908 {
 909         foreach ($conv_responses as $mode => $v) {
 910                 $sparkle = '';
 911
 912                 switch ($mode) {
 913                         case 'like':
 914                                 $verb = Activity::LIKE;
 915                                 break;
 916                         case 'dislike':
 917                                 $verb = Activity::DISLIKE;
 918                                 break;
 919                         case 'attendyes':
 920                                 $verb = Activity::ATTEND;
 921                                 break;
 922                         case 'attendno':
 923                                 $verb = Activity::ATTENDNO;
 924                                 break;
 925                         case 'attendmaybe':
 926                                 $verb = Activity::ATTENDMAYBE;
 927                                 break;
 928                         case 'announce':
 929                                 $verb = Activity::ANNOUNCE;
 930                                 break;
 931                         default:
 932                                 return;
 933                 }
 934
 935                 if (!empty($activity['verb']) && DI::activity()->match($activity['verb'], $verb) && ($activity['gravity'] != GRAVITY_PARENT)) {
 936                         $author = [
 937                                 'uid' => 0,
 938                                 'id' => $activity['author-id'],
 939                                 'network' => $activity['author-network'],
 940                                 'url' => $activity['author-link']
 941                         ];
 942                         $url = Contact::magicLinkByContact($author);
 943                         if (strpos($url, 'redir/') === 0) {
 944                                 $sparkle = ' class="sparkle" ';
 945                         }
 946
 947                         $link = '<a href="' . $url . '"' . $sparkle . '>' . htmlentities($activity['author-name']) . '</a>';
 948
 949                         if (empty($activity['thr-parent-id'])) {
 950                                 $activity['thr-parent-id'] = $activity['parent-uri-id'];
 951                         }
 952
 953                         // Skip when the causer of the parent is the same than the author of the announce
 954                         if (($verb == Activity::ANNOUNCE) && Post::exists(['uri-id' => $activity['thr-parent-id'],
 955                                 'uid' => $activity['uid'], 'causer-id' => $activity['author-id'], 'gravity' => GRAVITY_PARENT])) {
 956                                 continue;
 957                         }
 958
 959                         if (!isset($conv_responses[$mode][$activity['thr-parent-id']])) {
 960                                 $conv_responses[$mode][$activity['thr-parent-id']] = [
 961                                         'links' => [],
 962                                         'self' => 0,
 963                                 ];
 964                         } elseif (in_array($link, $conv_responses[$mode][$activity['thr-parent-id']]['links'])) {
 965                                 // only list each unique author once
 966                                 continue;
 967                         }
 968
 969                         if (public_contact() == $activity['author-id']) {
 970                                 $conv_responses[$mode][$activity['thr-parent-id']]['self'] = 1;
 971                         }
 972
 973                         $conv_responses[$mode][$activity['thr-parent-id']]['links'][] = $link;
 974
 975                         // there can only be one activity verb per item so if we found anything, we can stop looking
 976                         return;
 977                 }
 978         }
 979 }
 980
 981 /**
 982  * Format the activity text for an item/photo/video
 983  *
 984  * @param array  $links = array of pre-linked names of actors
 985  * @param string $verb  = one of 'like, 'dislike', 'attendyes', 'attendno', 'attendmaybe'
 986  * @param int    $id    = item id
 987  * @return string formatted text
 988  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 989  */
 990 function format_activity(array $links, $verb, $id) {
 991         $o = '';
 992         $expanded = '';
 993         $phrase = '';
 994
 995         $total = count($links);
 996         if ($total == 1) {
 997                 $likers = $links[0];
 998
 999                 // Phrase if there is only one liker. In other cases it will be uses for the expanded
1000                 // list which show all likers
1001                 switch ($verb) {
1002                         case 'like' :
1003                                 $phrase = DI::l10n()->t('%s likes this.', $likers);
1004                                 break;
1005                         case 'dislike' :
1006                                 $phrase = DI::l10n()->t('%s doesn\'t like this.', $likers);
1007                                 break;
1008                         case 'attendyes' :
1009                                 $phrase = DI::l10n()->t('%s attends.', $likers);
1010                                 break;
1011                         case 'attendno' :
1012                                 $phrase = DI::l10n()->t('%s doesn\'t attend.', $likers);
1013                                 break;
1014                         case 'attendmaybe' :
1015                                 $phrase = DI::l10n()->t('%s attends maybe.', $likers);
1016                                 break;
1017                         case 'announce' :
1018                                 $phrase = DI::l10n()->t('%s reshared this.', $likers);
1019                                 break;
1020                 }
1021         } elseif ($total > 1) {
1022                 if ($total < MAX_LIKERS) {
1023                         $likers = implode(', ', array_slice($links, 0, -1));
1024                         $likers .= ' ' . DI::l10n()->t('and') . ' ' . $links[count($links)-1];
1025                 } else  {
1026                         $likers = implode(', ', array_slice($links, 0, MAX_LIKERS - 1));
1027                         $likers .= ' ' . DI::l10n()->t('and %d other people', $total - MAX_LIKERS);
1028                 }
1029
1030                 $spanatts = "class=\"fakelink\" onclick=\"openClose('{$verb}list-$id');\"";
1031
1032                 $explikers = '';
1033                 switch ($verb) {
1034                         case 'like':
1035                                 $phrase = DI::l10n()->t('<span  %1$s>%2$d people</span> like this', $spanatts, $total);
1036                                 $explikers = DI::l10n()->t('%s like this.', $likers);
1037                                 break;
1038                         case 'dislike':
1039                                 $phrase = DI::l10n()->t('<span  %1$s>%2$d people</span> don\'t like this', $spanatts, $total);
1040                                 $explikers = DI::l10n()->t('%s don\'t like this.', $likers);
1041                                 break;
1042                         case 'attendyes':
1043                                 $phrase = DI::l10n()->t('<span  %1$s>%2$d people</span> attend', $spanatts, $total);
1044                                 $explikers = DI::l10n()->t('%s attend.', $likers);
1045                                 break;
1046                         case 'attendno':
1047                                 $phrase = DI::l10n()->t('<span  %1$s>%2$d people</span> don\'t attend', $spanatts, $total);
1048                                 $explikers = DI::l10n()->t('%s don\'t attend.', $likers);
1049                                 break;
1050                         case 'attendmaybe':
1051                                 $phrase = DI::l10n()->t('<span  %1$s>%2$d people</span> attend maybe', $spanatts, $total);
1052                                 $explikers = DI::l10n()->t('%s attend maybe.', $likers);
1053                                 break;
1054                         case 'announce':
1055                                 $phrase = DI::l10n()->t('<span  %1$s>%2$d people</span> reshared this', $spanatts, $total);
1056                                 $explikers = DI::l10n()->t('%s reshared this.', $likers);
1057                                 break;
1058                 }
1059
1060                 $expanded .= "\t" . '<p class="wall-item-' . $verb . '-expanded" id="' . $verb . 'list-' . $id . '" style="display: none;" >' . $explikers . EOL . '</p>';
1061         }
1062
1063         $o .= Renderer::replaceMacros(Renderer::getMarkupTemplate('voting_fakelink.tpl'), [
1064                 '$phrase' => $phrase,
1065                 '$type' => $verb,
1066                 '$id' => $id
1067         ]);
1068         $o .= $expanded;
1069
1070         return $o;
1071 }
1072
1073 function status_editor(App $a, $x, $notes_cid = 0, $popup = false)
1074 {
1075         $o = '';
1076
1077         $geotag = !empty($x['allow_location']) ? Renderer::replaceMacros(Renderer::getMarkupTemplate('jot_geotag.tpl'), []) : '';
1078
1079         $tpl = Renderer::getMarkupTemplate('jot-header.tpl');
1080         DI::page()['htmlhead'] .= Renderer::replaceMacros($tpl, [
1081                 '$newpost'   => 'true',
1082                 '$baseurl'   => DI::baseUrl()->get(true),
1083                 '$geotag'    => $geotag,
1084                 '$nickname'  => $x['nickname'],
1085                 '$ispublic'  => DI::l10n()->t('Visible to <strong>everybody</strong>'),
1086                 '$linkurl'   => DI::l10n()->t('Please enter a image/video/audio/webpage URL:'),
1087                 '$term'      => DI::l10n()->t('Tag term:'),
1088                 '$fileas'    => DI::l10n()->t('Save to Folder:'),
1089                 '$whereareu' => DI::l10n()->t('Where are you right now?'),
1090                 '$delitems'  => DI::l10n()->t("Delete item\x28s\x29?"),
1091                 '$is_mobile' => DI::mode()->isMobile(),
1092         ]);
1093
1094         $jotplugins = '';
1095         Hook::callAll('jot_tool', $jotplugins);
1096
1097         $tpl = Renderer::getMarkupTemplate("jot.tpl");
1098
1099         $o .= Renderer::replaceMacros($tpl, [
1100                 '$new_post' => DI::l10n()->t('New Post'),
1101                 '$return_path'  => DI::args()->getQueryString(),
1102                 '$action'       => 'item',
1103                 '$share'        => ($x['button'] ?? '') ?: DI::l10n()->t('Share'),
1104                 '$loading'      => DI::l10n()->t('Loading...'),
1105                 '$upload'       => DI::l10n()->t('Upload photo'),
1106                 '$shortupload'  => DI::l10n()->t('upload photo'),
1107                 '$attach'       => DI::l10n()->t('Attach file'),
1108                 '$shortattach'  => DI::l10n()->t('attach file'),
1109                 '$edbold'       => DI::l10n()->t('Bold'),
1110                 '$editalic'     => DI::l10n()->t('Italic'),
1111                 '$eduline'      => DI::l10n()->t('Underline'),
1112                 '$edquote'      => DI::l10n()->t('Quote'),
1113                 '$edcode'       => DI::l10n()->t('Code'),
1114                 '$edimg'        => DI::l10n()->t('Image'),
1115                 '$edurl'        => DI::l10n()->t('Link'),
1116                 '$edattach'     => DI::l10n()->t('Link or Media'),
1117                 '$edvideo'      => DI::l10n()->t('Video'),
1118                 '$setloc'       => DI::l10n()->t('Set your location'),
1119                 '$shortsetloc'  => DI::l10n()->t('set location'),
1120                 '$noloc'        => DI::l10n()->t('Clear browser location'),
1121                 '$shortnoloc'   => DI::l10n()->t('clear location'),
1122                 '$title'        => $x['title'] ?? '',
1123                 '$placeholdertitle' => DI::l10n()->t('Set title'),
1124                 '$category'     => $x['category'] ?? '',
1125                 '$placeholdercategory' => Feature::isEnabled(local_user(), 'categories') ? DI::l10n()->t("Categories \x28comma-separated list\x29") : '',
1126                 '$wait'         => DI::l10n()->t('Please wait'),
1127                 '$permset'      => DI::l10n()->t('Permission settings'),
1128                 '$shortpermset' => DI::l10n()->t('Permissions'),
1129                 '$wall'         => $notes_cid ? 0 : 1,
1130                 '$posttype'     => $notes_cid ? Item::PT_PERSONAL_NOTE : Item::PT_ARTICLE,
1131                 '$content'      => $x['content'] ?? '',
1132                 '$post_id'      => $x['post_id'] ?? '',
1133                 '$baseurl'      => DI::baseUrl()->get(true),
1134                 '$defloc'       => $x['default_location'],
1135                 '$visitor'      => $x['visitor'],
1136                 '$pvisit'       => $notes_cid ? 'none' : $x['visitor'],
1137                 '$public'       => DI::l10n()->t('Public post'),
1138                 '$lockstate'    => $x['lockstate'],
1139                 '$bang'         => $x['bang'],
1140                 '$profile_uid'  => $x['profile_uid'],
1141                 '$preview'      => DI::l10n()->t('Preview'),
1142                 '$jotplugins'   => $jotplugins,
1143                 '$notes_cid'    => $notes_cid,
1144                 '$sourceapp'    => DI::l10n()->t($a->sourcename),
1145                 '$cancel'       => DI::l10n()->t('Cancel'),
1146                 '$rand_num'     => Crypto::randomDigits(12),
1147
1148                 // ACL permissions box
1149                 '$acl'           => $x['acl'],
1150
1151                 //jot nav tab (used in some themes)
1152                 '$message' => DI::l10n()->t('Message'),
1153                 '$browser' => DI::l10n()->t('Browser'),
1154
1155                 '$compose_link_title' => DI::l10n()->t('Open Compose page'),
1156         ]);
1157
1158
1159         if ($popup == true) {
1160                 $o = '<div id="jot-popup" style="display: none;">' . $o . '</div>';
1161         }
1162
1163         return $o;
1164 }
1165
1166 /**
1167  * Plucks the children of the given parent from a given item list.
1168  *
1169  * @param array $item_list
1170  * @param array $parent
1171  * @param bool  $recursive
1172  * @return array
1173  */
1174 function get_item_children(array &$item_list, array $parent, $recursive = true)
1175 {
1176         $children = [];
1177         foreach ($item_list as $i => $item) {
1178                 if ($item['gravity'] != GRAVITY_PARENT) {
1179                         if ($recursive) {
1180                                 // Fallback to parent-uri if thr-parent is not set
1181                                 $thr_parent = $item['thr-parent-id'];
1182                                 if ($thr_parent == '') {
1183                                         $thr_parent = $item['parent-uri-id'];
1184                                 }
1185
1186                                 if ($thr_parent == $parent['uri-id']) {
1187                                         $item['children'] = get_item_children($item_list, $item);
1188                                         $children[] = $item;
1189                                         unset($item_list[$i]);
1190                                 }
1191                         } elseif ($item['parent-uri-id'] == $parent['uri-id']) {
1192                                 $children[] = $item;
1193                                 unset($item_list[$i]);
1194                         }
1195                 }
1196         }
1197         return $children;
1198 }
1199
1200 /**
1201  * Recursively sorts a tree-like item array
1202  *
1203  * @param array $items
1204  * @return array
1205  */
1206 function sort_item_children(array $items)
1207 {
1208         $result = $items;
1209         usort($result, 'sort_thr_received_rev');
1210         foreach ($result as $k => $i) {
1211                 if (isset($result[$k]['children'])) {
1212                         $result[$k]['children'] = sort_item_children($result[$k]['children']);
1213                 }
1214         }
1215         return $result;
1216 }
1217
1218 /**
1219  * Recursively add all children items at the top level of a list
1220  *
1221  * @param array $children List of items to append
1222  * @param array $item_list
1223  */
1224 function add_children_to_list(array $children, array &$item_list)
1225 {
1226         foreach ($children as $child) {
1227                 $item_list[] = $child;
1228                 if (isset($child['children'])) {
1229                         add_children_to_list($child['children'], $item_list);
1230                 }
1231         }
1232 }
1233
1234 /**
1235  * Selectively flattens a tree-like item structure to prevent threading stairs
1236  *
1237  * This recursive function takes the item tree structure created by conv_sort() and
1238  * flatten the extraneous depth levels when people reply sequentially, removing the
1239  * stairs effect in threaded conversations limiting the available content width.
1240  *
1241  * The basic principle is the following: if a post item has only one reply and is
1242  * the last reply of its parent, then the reply is moved to the parent.
1243  *
1244  * This process is rendered somewhat more complicated because items can be either
1245  * replies or likes, and these don't factor at all in the reply count/last reply.
1246  *
1247  * @param array $parent A tree-like array of items
1248  * @return array
1249  */
1250 function smart_flatten_conversation(array $parent)
1251 {
1252         if (!isset($parent['children']) || count($parent['children']) == 0) {
1253                 return $parent;
1254         }
1255
1256         // We use a for loop to ensure we process the newly-moved items
1257         for ($i = 0; $i < count($parent['children']); $i++) {
1258                 $child = $parent['children'][$i];
1259
1260                 if (isset($child['children']) && count($child['children'])) {
1261                         // This helps counting only the regular posts
1262                         $count_post_closure = function($var) {
1263                                 return $var['verb'] === Activity::POST;
1264                         };
1265
1266                         $child_post_count = count(array_filter($child['children'], $count_post_closure));
1267
1268                         $remaining_post_count = count(array_filter(array_slice($parent['children'], $i), $count_post_closure));
1269
1270                         // If there's only one child's children post and this is the last child post
1271                         if ($child_post_count == 1 && $remaining_post_count == 1) {
1272
1273                                 // Searches the post item in the children
1274                                 $j = 0;
1275                                 while($child['children'][$j]['verb'] !== Activity::POST && $j < count($child['children'])) {
1276                                         $j ++;
1277                                 }
1278
1279                                 $moved_item = $child['children'][$j];
1280                                 unset($parent['children'][$i]['children'][$j]);
1281                                 $parent['children'][] = $moved_item;
1282                         } else {
1283                                 $parent['children'][$i] = smart_flatten_conversation($child);
1284                         }
1285                 }
1286         }
1287
1288         return $parent;
1289 }
1290
1291
1292 /**
1293  * Expands a flat list of items into corresponding tree-like conversation structures.
1294  *
1295  * sort the top-level posts either on "received" or "commented", and finally
1296  * append all the items at the top level (???)
1297  *
1298  * @param array  $item_list A list of items belonging to one or more conversations
1299  * @param string $order     Either on "received" or "commented"
1300  * @return array
1301  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1302  */
1303 function conv_sort(array $item_list, $order)
1304 {
1305         $parents = [];
1306
1307         if (!(is_array($item_list) && count($item_list))) {
1308                 return $parents;
1309         }
1310
1311         $blocklist = conv_get_blocklist();
1312
1313         $item_array = [];
1314
1315         // Dedupes the item list on the uri to prevent infinite loops
1316         foreach ($item_list as $item) {
1317                 if (in_array($item['author-id'], $blocklist)) {
1318                         continue;
1319                 }
1320
1321                 $item_array[$item['uri-id']] = $item;
1322         }
1323
1324         // Extract the top level items
1325         foreach ($item_array as $item) {
1326                 if ($item['gravity'] == GRAVITY_PARENT) {
1327                         $parents[] = $item;
1328                 }
1329         }
1330
1331         if (stristr($order, 'pinned_received')) {
1332                 usort($parents, 'sort_thr_pinned_received');
1333         } elseif (stristr($order, 'received')) {
1334                 usort($parents, 'sort_thr_received');
1335         } elseif (stristr($order, 'commented')) {
1336                 usort($parents, 'sort_thr_commented');
1337         }
1338
1339         /*
1340          * Plucks children from the item_array, second pass collects eventual orphan
1341          * items and add them as children of their top-level post.
1342          */
1343         foreach ($parents as $i => $parent) {
1344                 $parents[$i]['children'] =
1345                         array_merge(get_item_children($item_array, $parent, true),
1346                                 get_item_children($item_array, $parent, false));
1347         }
1348
1349         foreach ($parents as $i => $parent) {
1350                 $parents[$i]['children'] = sort_item_children($parents[$i]['children']);
1351         }
1352
1353         if (!DI::pConfig()->get(local_user(), 'system', 'no_smart_threading', 0)) {
1354                 foreach ($parents as $i => $parent) {
1355                         $parents[$i] = smart_flatten_conversation($parent);
1356                 }
1357         }
1358
1359         /// @TODO: Stop recusrsively adding all children back to the top level (!!!)
1360         /// However, this apparently ensures responses (likes, attendance) display (?!)
1361         foreach ($parents as $parent) {
1362                 if (count($parent['children'])) {
1363                         add_children_to_list($parent['children'], $parents);
1364                 }
1365         }
1366
1367         return $parents;
1368 }
1369
1370 /**
1371  * usort() callback to sort item arrays by pinned and the received key
1372  *
1373  * @param array $a
1374  * @param array $b
1375  * @return int
1376  */
1377 function sort_thr_pinned_received(array $a, array $b)
1378 {
1379         if ($b['pinned'] && !$a['pinned']) {
1380                 return 1;
1381         } elseif (!$b['pinned'] && $a['pinned']) {
1382                 return -1;
1383         }
1384
1385         return strcmp($b['received'], $a['received']);
1386 }
1387
1388 /**
1389  * usort() callback to sort item arrays by the received key
1390  *
1391  * @param array $a
1392  * @param array $b
1393  * @return int
1394  */
1395 function sort_thr_received(array $a, array $b)
1396 {
1397         return strcmp($b['received'], $a['received']);
1398 }
1399
1400 /**
1401  * usort() callback to reverse sort item arrays by the received key
1402  *
1403  * @param array $a
1404  * @param array $b
1405  * @return int
1406  */
1407 function sort_thr_received_rev(array $a, array $b)
1408 {
1409         return strcmp($a['received'], $b['received']);
1410 }
1411
1412 /**
1413  * usort() callback to sort item arrays by the commented key
1414  *
1415  * @param array $a
1416  * @param array $b
1417  * @return int
1418  */
1419 function sort_thr_commented(array $a, array $b)
1420 {
1421         return strcmp($b['commented'], $a['commented']);
1422 }