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\Strings;
  46 use Friendica\Util\Temporal;
  47 use Friendica\Util\XML;
  48
  49 function item_extract_images($body) {
  50
  51         $saved_image = [];
  52         $orig_body = $body;
  53         $new_body = '';
  54
  55         $cnt = 0;
  56         $img_start = strpos($orig_body, '[img');
  57         $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
  58         $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
  59         while (($img_st_close !== false) && ($img_end !== false)) {
  60
  61                 $img_st_close++; // make it point to AFTER the closing bracket
  62                 $img_end += $img_start;
  63
  64                 if (!strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
  65                         // This is an embedded image
  66
  67                         $saved_image[$cnt] = substr($orig_body, $img_start + $img_st_close, $img_end - ($img_start + $img_st_close));
  68                         $new_body = $new_body . substr($orig_body, 0, $img_start) . '[!#saved_image' . $cnt . '#!]';
  69
  70                         $cnt++;
  71                 } else {
  72                         $new_body = $new_body . substr($orig_body, 0, $img_end + strlen('[/img]'));
  73                 }
  74
  75                 $orig_body = substr($orig_body, $img_end + strlen('[/img]'));
  76
  77                 if ($orig_body === false) {
  78                         // in case the body ends on a closing image tag
  79                         $orig_body = '';
  80                 }
  81
  82                 $img_start = strpos($orig_body, '[img');
  83                 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
  84                 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
  85         }
  86
  87         $new_body = $new_body . $orig_body;
  88
  89         return ['body' => $new_body, 'images' => $saved_image];
  90 }
  91
  92 function item_redir_and_replace_images($body, $images, $cid) {
  93
  94         $origbody = $body;
  95         $newbody = '';
  96
  97         $cnt = 1;
  98         $pos = BBCode::getTagPosition($origbody, 'url', 0);
  99         while ($pos !== false && $cnt < 1000) {
 100
 101                 $search = '/\[url\=(.*?)\]\[!#saved_image([0-9]*)#!\]\[\/url\]' . '/is';
 102                 $replace = '[url=' . DI::baseUrl() . '/redir/' . $cid
 103                                    . '?url=' . '$1' . '][!#saved_image' . '$2' .'#!][/url]';
 104
 105                 $newbody .= substr($origbody, 0, $pos['start']['open']);
 106                 $subject = substr($origbody, $pos['start']['open'], $pos['end']['close'] - $pos['start']['open']);
 107                 $origbody = substr($origbody, $pos['end']['close']);
 108                 if ($origbody === false) {
 109                         $origbody = '';
 110                 }
 111
 112                 $subject = preg_replace($search, $replace, $subject);
 113                 $newbody .= $subject;
 114
 115                 $cnt++;
 116                 // Isn't this supposed to use $cnt value for $occurrences? - @MrPetovan
 117                 $pos = BBCode::getTagPosition($origbody, 'url', 0);
 118         }
 119         $newbody .= $origbody;
 120
 121         $cnt = 0;
 122         foreach ($images as $image) {
 123                 /*
 124                  * We're depending on the property of 'foreach' (specified on the PHP website) that
 125                  * it loops over the array starting from the first element and going sequentially
 126                  * to the last element.
 127                  */
 128                 $newbody = str_replace('[!#saved_image' . $cnt . '#!]', '[img]' . $image . '[/img]', $newbody);
 129                 $cnt++;
 130         }
 131         return $newbody;
 132 }
 133
 134 /**
 135  * Render actions localized
 136  *
 137  * @param $item
 138  * @throws ImagickException
 139  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 140  */
 141 function localize_item(&$item)
 142 {
 143         $extracted = item_extract_images($item['body']);
 144         if ($extracted['images']) {
 145                 $item['body'] = item_redir_and_replace_images($extracted['body'], $extracted['images'], $item['contact-id']);
 146         }
 147
 148         /// @todo The following functionality needs to be cleaned up.
 149         if (!empty($item['verb'])) {
 150                 $activity = DI::activity();
 151
 152                 $xmlhead = "<" . "?xml version='1.0' encoding='UTF-8' ?" . ">";
 153
 154                 if (stristr($item['verb'], Activity::POKE)) {
 155                         $verb = urldecode(substr($item['verb'], strpos($item['verb'],'#') + 1));
 156                         if (!$verb) {
 157                                 return;
 158                         }
 159                         if ($item['object-type'] == "" || $item['object-type'] !== Activity\ObjectType::PERSON) {
 160                                 return;
 161                         }
 162
 163                         $obj = XML::parseString($xmlhead . $item['object']);
 164
 165                         $Bname = $obj->title;
 166                         $Blink = $obj->id;
 167                         $Bphoto = "";
 168
 169                         foreach ($obj->link as $l) {
 170                                 $atts = $l->attributes();
 171                                 switch ($atts['rel']) {
 172                                         case "alternate": $Blink = $atts['href'];
 173                                         case "photo": $Bphoto = $atts['href'];
 174                                 }
 175                         }
 176
 177                         $author = ['uid' => 0, 'id' => $item['author-id'],
 178                                 'network' => $item['author-network'], 'url' => $item['author-link']];
 179                         $A = '[url=' . Contact::magicLinkByContact($author) . ']' . $item['author-name'] . '[/url]';
 180
 181                         if (!empty($Blink)) {
 182                                 $B = '[url=' . Contact::magicLink($Blink) . ']' . $Bname . '[/url]';
 183                         } else {
 184                                 $B = '';
 185                         }
 186
 187                         if ($Bphoto != "" && !empty($Blink)) {
 188                                 $Bphoto = '[url=' . Contact::magicLink($Blink) . '][img=80x80]' . $Bphoto . '[/img][/url]';
 189                         }
 190
 191                         /*
 192                          * we can't have a translation string with three positions but no distinguishable text
 193                          * So here is the translate string.
 194                          */
 195                         $txt = DI::l10n()->t('%1$s poked %2$s');
 196
 197                         // now translate the verb
 198                         $poked_t = trim(sprintf($txt, '', ''));
 199                         $txt = str_replace($poked_t, DI::l10n()->t($verb), $txt);
 200
 201                         // then do the sprintf on the translation string
 202
 203                         $item['body'] = sprintf($txt, $A, $B) . "\n\n\n" . $Bphoto;
 204
 205                 }
 206
 207                 if ($activity->match($item['verb'], Activity::TAG)) {
 208                         $fields = ['author-id', 'author-link', 'author-name', 'author-network',
 209                                 'verb', 'object-type', 'resource-id', 'body', 'plink'];
 210                         $obj = Post::selectFirst($fields, ['uri' => $item['parent-uri']]);
 211                         if (!DBA::isResult($obj)) {
 212                                 return;
 213                         }
 214
 215                         $author_arr = ['uid' => 0, 'id' => $item['author-id'],
 216                                 'network' => $item['author-network'], 'url' => $item['author-link']];
 217                         $author  = '[url=' . Contact::magicLinkByContact($author_arr) . ']' . $item['author-name'] . '[/url]';
 218
 219                         $author_arr = ['uid' => 0, 'id' => $obj['author-id'],
 220                                 'network' => $obj['author-network'], 'url' => $obj['author-link']];
 221                         $objauthor  = '[url=' . Contact::magicLinkByContact($author_arr) . ']' . $obj['author-name'] . '[/url]';
 222
 223                         switch ($obj['verb']) {
 224                                 case Activity::POST:
 225                                         switch ($obj['object-type']) {
 226                                                 case Activity\ObjectType::EVENT:
 227                                                         $post_type = DI::l10n()->t('event');
 228                                                         break;
 229                                                 default:
 230                                                         $post_type = DI::l10n()->t('status');
 231                                         }
 232                                         break;
 233                                 default:
 234                                         if ($obj['resource-id']) {
 235                                                 $post_type = DI::l10n()->t('photo');
 236                                                 $m=[]; preg_match("/\[url=([^]]*)\]/", $obj['body'], $m);
 237                                                 $rr['plink'] = $m[1];
 238                                         } else {
 239                                                 $post_type = DI::l10n()->t('status');
 240                                         }
 241                                         // Let's break everthing ... ;-)
 242                                         break;
 243                         }
 244                         $plink = '[url=' . $obj['plink'] . ']' . $post_type . '[/url]';
 245
 246                         $parsedobj = XML::parseString($xmlhead . $item['object']);
 247
 248                         $tag = sprintf('#[url=%s]%s[/url]', $parsedobj->id, $parsedobj->content);
 249                         $item['body'] = DI::l10n()->t('%1$s tagged %2$s\'s %3$s with %4$s', $author, $objauthor, $plink, $tag);
 250                 }
 251         }
 252
 253         $matches = null;
 254         if (preg_match_all('/@\[url=(.*?)\]/is', $item['body'], $matches, PREG_SET_ORDER)) {
 255                 foreach ($matches as $mtch) {
 256                         if (!strpos($mtch[1], 'zrl=')) {
 257                                 $item['body'] = str_replace($mtch[0], '@[url=' . Contact::magicLink($mtch[1]) . ']', $item['body']);
 258                         }
 259                 }
 260         }
 261
 262         // add zrl's to public images
 263         $photo_pattern = "/\[url=(.*?)\/photos\/(.*?)\/image\/(.*?)\]\[img(.*?)\]h(.*?)\[\/img\]\[\/url\]/is";
 264         if (preg_match($photo_pattern, $item['body'])) {
 265                 $photo_replace = '[url=' . Profile::zrl('$1' . '/photos/' . '$2' . '/image/' . '$3' , true) . '][img' . '$4' . ']h' . '$5'  . '[/img][/url]';
 266                 $item['body'] = BBCode::pregReplaceInTag($photo_pattern, $photo_replace, 'url', $item['body']);
 267         }
 268
 269         // add sparkle links to appropriate permalinks
 270         // Only create a redirection to a magic link when logged in
 271         if (!empty($item['plink']) && Session::isAuthenticated()) {
 272                 $author = ['uid' => 0, 'id' => $item['author-id'],
 273                         'network' => $item['author-network'], 'url' => $item['author-link']];
 274                 $item['plink'] = Contact::magicLinkByContact($author, $item['plink']);
 275         }
 276 }
 277
 278 /**
 279  * Count the total of comments on this item and its desendants
 280  * @TODO proper type-hint + doc-tag
 281  * @param $item
 282  * @return int
 283  */
 284 function count_descendants($item) {
 285         $total = count($item['children']);
 286
 287         if ($total > 0) {
 288                 foreach ($item['children'] as $child) {
 289                         if (!visible_activity($child)) {
 290                                 $total --;
 291                         }
 292                         $total += count_descendants($child);
 293                 }
 294         }
 295
 296         return $total;
 297 }
 298
 299 function visible_activity($item) {
 300
 301         $activity = DI::activity();
 302
 303         if (empty($item['verb']) || $activity->isHidden($item['verb'])) {
 304                 return false;
 305         }
 306
 307         // @TODO below if() block can be rewritten to a single line: $isVisible = allConditionsHere;
 308         if ($activity->match($item['verb'], Activity::FOLLOW) &&
 309             $item['object-type'] === Activity\ObjectType::NOTE &&
 310             empty($item['self']) &&
 311             $item['uid'] == local_user()) {
 312                 return false;
 313         }
 314
 315         return true;
 316 }
 317
 318 function conv_get_blocklist()
 319 {
 320         if (!local_user()) {
 321                 return [];
 322         }
 323
 324         $str_blocked = str_replace(["\n", "\r"], ",", DI::pConfig()->get(local_user(), 'system', 'blocked'));
 325         if (empty($str_blocked)) {
 326                 return [];
 327         }
 328
 329         $blocklist = [];
 330
 331         foreach (explode(',', $str_blocked) as $entry) {
 332                 $cid = Contact::getIdForURL(trim($entry), 0, false);
 333                 if (!empty($cid)) {
 334                         $blocklist[] = $cid;
 335                 }
 336         }
 337
 338         return $blocklist;
 339 }
 340
 341 /**
 342  * "Render" a conversation or list of items for HTML display.
 343  * There are two major forms of display:
 344  *      - Sequential or unthreaded ("New Item View" or search results)
 345  *      - conversation view
 346  * The $mode parameter decides between the various renderings and also
 347  * figures out how to determine page owner and other contextual items
 348  * that are based on unique features of the calling module.
 349  * @param App    $a
 350  * @param array  $items
 351  * @param        $mode
 352  * @param        $update
 353  * @param bool   $preview
 354  * @param string $order
 355  * @param int    $uid
 356  * @return string
 357  * @throws ImagickException
 358  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 359  */
 360 function conversation(App $a, array $items, $mode, $update, $preview = false, $order = 'commented', $uid = 0)
 361 {
 362         $page = DI::page();
 363
 364         $page->registerFooterScript(Theme::getPathForFile('asset/typeahead.js/dist/typeahead.bundle.js'));
 365         $page->registerFooterScript(Theme::getPathForFile('js/friendica-tagsinput/friendica-tagsinput.js'));
 366         $page->registerStylesheet(Theme::getPathForFile('js/friendica-tagsinput/friendica-tagsinput.css'));
 367         $page->registerStylesheet(Theme::getPathForFile('js/friendica-tagsinput/friendica-tagsinput-typeahead.css'));
 368
 369         $ssl_state = (local_user() ? true : false);
 370
 371         $profile_owner = 0;
 372         $live_update_div = '';
 373
 374         $blocklist = conv_get_blocklist();
 375
 376         $previewing = (($preview) ? ' preview ' : '');
 377
 378         if ($mode === 'network') {
 379                 $items = conversation_add_children($items, false, $order, $uid);
 380                 $profile_owner = local_user();
 381                 if (!$update) {
 382                         /*
 383                          * The special div is needed for liveUpdate to kick in for this page.
 384                          * We only launch liveUpdate if you aren't filtering in some incompatible
 385                          * way and also you aren't writing a comment (discovered in javascript).
 386                          */
 387                         $live_update_div = '<div id="live-network"></div>' . "\r\n"
 388                                 . "<script> var profile_uid = " . $_SESSION['uid']
 389                                 . "; var netargs = '" . substr(DI::args()->getCommand(), 8)
 390                                 . '?f='
 391                                 . (!empty($_GET['contactid']) ? '&contactid=' . rawurlencode($_GET['contactid']) : '')
 392                                 . (!empty($_GET['search'])    ? '&search='    . rawurlencode($_GET['search'])    : '')
 393                                 . (!empty($_GET['star'])      ? '&star='      . rawurlencode($_GET['star'])      : '')
 394                                 . (!empty($_GET['order'])     ? '&order='     . rawurlencode($_GET['order'])     : '')
 395                                 . (!empty($_GET['bmark'])     ? '&bmark='     . rawurlencode($_GET['bmark'])     : '')
 396                                 . (!empty($_GET['liked'])     ? '&liked='     . rawurlencode($_GET['liked'])     : '')
 397                                 . (!empty($_GET['conv'])      ? '&conv='      . rawurlencode($_GET['conv'])      : '')
 398                                 . (!empty($_GET['nets'])      ? '&nets='      . rawurlencode($_GET['nets'])      : '')
 399                                 . (!empty($_GET['cmin'])      ? '&cmin='      . rawurlencode($_GET['cmin'])      : '')
 400                                 . (!empty($_GET['cmax'])      ? '&cmax='      . rawurlencode($_GET['cmax'])      : '')
 401                                 . (!empty($_GET['file'])      ? '&file='      . rawurlencode($_GET['file'])      : '')
 402
 403                                 . "'; </script>\r\n";
 404                 }
 405         } elseif ($mode === 'profile') {
 406                 $items = conversation_add_children($items, false, $order, $uid);
 407                 $profile_owner = $a->profile['uid'];
 408
 409                 if (!$update) {
 410                         $tab = 'posts';
 411                         if (!empty($_GET['tab'])) {
 412                                 $tab = Strings::escapeTags(trim($_GET['tab']));
 413                         }
 414                         if ($tab === 'posts') {
 415                                 /*
 416                                  * This is ugly, but we can't pass the profile_uid through the session to the ajax updater,
 417                                  * because browser prefetching might change it on us. We have to deliver it with the page.
 418                                  */
 419
 420                                 $live_update_div = '<div id="live-profile"></div>' . "\r\n"
 421                                         . "<script> var profile_uid = " . $a->profile['uid']
 422                                         . "; var netargs = '?f='; </script>\r\n";
 423                         }
 424                 }
 425         } elseif ($mode === 'notes') {
 426                 $items = conversation_add_children($items, false, $order, local_user());
 427                 $profile_owner = local_user();
 428
 429                 if (!$update) {
 430                         $live_update_div = '<div id="live-notes"></div>' . "\r\n"
 431                                 . "<script> var profile_uid = " . local_user()
 432                                 . "; var netargs = '/?f='; </script>\r\n";
 433                 }
 434         } elseif ($mode === 'display') {
 435                 $items = conversation_add_children($items, false, $order, $uid);
 436                 $profile_owner = $a->profile['uid'];
 437
 438                 if (!$update) {
 439                         $live_update_div = '<div id="live-display"></div>' . "\r\n"
 440                                 . "<script> var profile_uid = " . Session::get('uid', 0) . ";"
 441                                 . "</script>";
 442                 }
 443         } elseif ($mode === 'community') {
 444                 $items = conversation_add_children($items, true, $order, $uid);
 445                 $profile_owner = 0;
 446
 447                 if (!$update) {
 448                         $live_update_div = '<div id="live-community"></div>' . "\r\n"
 449                                 . "<script> var profile_uid = -1; var netargs = '" . substr(DI::args()->getCommand(), 10)
 450                                 . '?f='
 451                                 . (!empty($_GET['no_sharer']) ? '&no_sharer=' . rawurlencode($_GET['no_sharer']) : '')
 452                                 . "'; </script>\r\n";
 453                 }
 454         } elseif ($mode === 'contacts') {
 455                 $items = conversation_add_children($items, false, $order, $uid);
 456                 $profile_owner = 0;
 457
 458                 if (!$update) {
 459                         $live_update_div = '<div id="live-contact"></div>' . "\r\n"
 460                                 . "<script> var profile_uid = -1; var netargs = '" . substr(DI::args()->getCommand(), 8)
 461                                 ."/?f='; </script>\r\n";
 462                 }
 463         } elseif ($mode === 'search') {
 464                 $live_update_div = '<div id="live-search"></div>' . "\r\n";
 465         }
 466
 467         $page_dropping = ((local_user() && local_user() == $profile_owner) ? true : false);
 468
 469         if (!$update) {
 470                 $_SESSION['return_path'] = DI::args()->getQueryString();
 471         }
 472
 473         $cb = ['items' => $items, 'mode' => $mode, 'update' => $update, 'preview' => $preview];
 474         Hook::callAll('conversation_start', $cb);
 475
 476         $items = $cb['items'];
 477
 478         $conv_responses = [
 479                 'like'        => [],
 480                 'dislike'     => [],
 481                 'attendyes'   => [],
 482                 'attendno'    => [],
 483                 'attendmaybe' => [],
 484                 'announce'    => [],
 485         ];
 486
 487         if (DI::pConfig()->get(local_user(), 'system', 'hide_dislike')) {
 488                 unset($conv_responses['dislike']);
 489         }
 490
 491         // array with html for each thread (parent+comments)
 492         $threads = [];
 493         $threadsid = -1;
 494
 495         $page_template = Renderer::getMarkupTemplate("conversation.tpl");
 496
 497         if (!empty($items)) {
 498                 if (in_array($mode, ['community', 'contacts'])) {
 499                         $writable = true;
 500                 } else {
 501                         $writable = ($items[0]['uid'] == 0) && in_array($items[0]['network'], Protocol::FEDERATED);
 502                 }
 503
 504                 if (!local_user()) {
 505                         $writable = false;
 506                 }
 507
 508                 if (in_array($mode, ['filed', 'search', 'contact-posts'])) {
 509
 510                         /*
 511                          * "New Item View" on network page or search page results
 512                          * - just loop through the items and format them minimally for display
 513                          */
 514
 515                         $tpl = 'search_item.tpl';
 516
 517                         foreach ($items as $item) {
 518
 519                                 if (!visible_activity($item)) {
 520                                         continue;
 521                                 }
 522
 523                                 if (in_array($item['author-id'], $blocklist)) {
 524                                         continue;
 525                                 }
 526
 527                                 $threadsid++;
 528
 529                                 // prevent private email from leaking.
 530                                 if ($item['network'] === Protocol::MAIL && local_user() != $item['uid']) {
 531                                         continue;
 532                                 }
 533
 534                                 $profile_name = $item['author-name'];
 535                                 if (!empty($item['author-link']) && empty($item['author-name'])) {
 536                                         $profile_name = $item['author-link'];
 537                                 }
 538
 539                                 $tags = Tag::populateFromItem($item);
 540
 541                                 $author = ['uid' => 0, 'id' => $item['author-id'],
 542                                         'network' => $item['author-network'], 'url' => $item['author-link']];
 543                                 $profile_link = Contact::magicLinkByContact($author);
 544
 545                                 $sparkle = '';
 546                                 if (strpos($profile_link, 'redir/') === 0) {
 547                                         $sparkle = ' sparkle';
 548                                 }
 549
 550                                 $locate = ['location' => $item['location'], 'coord' => $item['coord'], 'html' => ''];
 551                                 Hook::callAll('render_location', $locate);
 552                                 $location_html = $locate['html'] ?: Strings::escapeHtml($locate['location'] ?: $locate['coord'] ?: '');
 553
 554                                 localize_item($item);
 555                                 if ($mode === 'filed') {
 556                                         $dropping = true;
 557                                 } else {
 558                                         $dropping = false;
 559                                 }
 560
 561                                 $drop = [
 562                                         'dropping' => $dropping,
 563                                         'pagedrop' => $page_dropping,
 564                                         'select' => DI::l10n()->t('Select'),
 565                                         'delete' => DI::l10n()->t('Delete'),
 566                                 ];
 567
 568                                 $likebuttons = [
 569                                         'like'     => null,
 570                                         'dislike'  => null,
 571                                         'share'    => null,
 572                                         'announce' => null,
 573                                 ];
 574
 575                                 if (DI::pConfig()->get(local_user(), 'system', 'hide_dislike')) {
 576                                         unset($likebuttons['dislike']);
 577                                 }
 578
 579                                 $body_html = Item::prepareBody($item, true, $preview);
 580
 581                                 list($categories, $folders) = DI::contentItem()->determineCategoriesTerms($item);
 582
 583                                 if (!empty($item['content-warning']) && DI::pConfig()->get(local_user(), 'system', 'disable_cw', false)) {
 584                                         $title = ucfirst($item['content-warning']);
 585                                 } else {
 586                                         $title = $item['title'];
 587                                 }
 588
 589                                 $tmp_item = [
 590                                         'template' => $tpl,
 591                                         'id' => ($preview ? 'P0' : $item['id']),
 592                                         'guid' => ($preview ? 'Q0' : $item['guid']),
 593                                         'commented' => $item['commented'],
 594                                         'received' => $item['received'],
 595                                         'created_date' => $item['created'],
 596                                         'uriid' => $item['uri-id'],
 597                                         'network' => $item['network'],
 598                                         'network_name' => ContactSelector::networkToName($item['author-network'], $item['author-link'], $item['network']),
 599                                         'network_icon' => ContactSelector::networkToIcon($item['network'], $item['author-link']),
 600                                         'linktitle' => DI::l10n()->t('View %s\'s profile @ %s', $profile_name, $item['author-link']),
 601                                         'profile_url' => $profile_link,
 602                                         'item_photo_menu_html' => item_photo_menu($item),
 603                                         'name' => $profile_name,
 604                                         'sparkle' => $sparkle,
 605                                         'lock' => false,
 606                                         'thumb' => DI::baseUrl()->remove($item['author-avatar']),
 607                                         'title' => $title,
 608                                         'body_html' => $body_html,
 609                                         'tags' => $tags['tags'],
 610                                         'hashtags' => $tags['hashtags'],
 611                                         'mentions' => $tags['mentions'],
 612                                         'implicit_mentions' => $tags['implicit_mentions'],
 613                                         'txt_cats' => DI::l10n()->t('Categories:'),
 614                                         'txt_folders' => DI::l10n()->t('Filed under:'),
 615                                         'has_cats' => ((count($categories)) ? 'true' : ''),
 616                                         'has_folders' => ((count($folders)) ? 'true' : ''),
 617                                         'categories' => $categories,
 618                                         'folders' => $folders,
 619                                         'text' => strip_tags($body_html),
 620                                         'localtime' => DateTimeFormat::local($item['created'], 'r'),
 621                                         'ago' => (($item['app']) ? DI::l10n()->t('%s from %s', Temporal::getRelativeDate($item['created']), $item['app']) : Temporal::getRelativeDate($item['created'])),
 622                                         'location_html' => $location_html,
 623                                         'indent' => '',
 624                                         'owner_name' => '',
 625                                         'owner_url' => '',
 626                                         'owner_photo' => DI::baseUrl()->remove($item['owner-avatar']),
 627                                         'plink' => Item::getPlink($item),
 628                                         'edpost' => false,
 629                                         'isstarred' => 'unstarred',
 630                                         'star' => false,
 631                                         'drop' => $drop,
 632                                         'vote' => $likebuttons,
 633                                         'like_html' => '',
 634                                         'dislike_html' => '',
 635                                         'comment_html' => '',
 636                                         'conv' => (($preview) ? '' : ['href'=> 'display/'.$item['guid'], 'title'=> DI::l10n()->t('View in context')]),
 637                                         'previewing' => $previewing,
 638                                         'wait' => DI::l10n()->t('Please wait'),
 639                                         'thread_level' => 1,
 640                                 ];
 641
 642                                 $arr = ['item' => $item, 'output' => $tmp_item];
 643                                 Hook::callAll('display_item', $arr);
 644
 645                                 $threads[$threadsid]['id'] = $item['id'];
 646                                 $threads[$threadsid]['network'] = $item['network'];
 647                                 $threads[$threadsid]['items'] = [$arr['output']];
 648
 649                         }
 650                 } else {
 651                         // Normal View
 652                         $page_template = Renderer::getMarkupTemplate("threaded_conversation.tpl");
 653
 654                         $conv = new Thread($mode, $preview, $writable);
 655
 656                         /*
 657                          * get all the topmost parents
 658                          * this shouldn't be needed, as we should have only them in our array
 659                          * But for now, this array respects the old style, just in case
 660                          */
 661                         foreach ($items as $item) {
 662                                 if (in_array($item['author-id'], $blocklist)) {
 663                                         continue;
 664                                 }
 665
 666                                 // Can we put this after the visibility check?
 667                                 builtin_activity_puller($item, $conv_responses);
 668
 669                                 // Only add what is visible
 670                                 if ($item['network'] === Protocol::MAIL && local_user() != $item['uid']) {
 671                                         continue;
 672                                 }
 673
 674                                 if (!visible_activity($item)) {
 675                                         continue;
 676                                 }
 677
 678                                 /// @todo Check if this call is needed or not
 679                                 $arr = ['item' => $item];
 680                                 Hook::callAll('display_item', $arr);
 681
 682                                 $item['pagedrop'] = $page_dropping;
 683
 684                                 if ($item['gravity'] == GRAVITY_PARENT) {
 685                                         $item_object = new PostObject($item);
 686                                         $conv->addParent($item_object);
 687                                 }
 688                         }
 689
 690                         $threads = $conv->getTemplateData($conv_responses);
 691                         if (!$threads) {
 692                                 Logger::log('[ERROR] conversation : Failed to get template data.', Logger::DEBUG);
 693                                 $threads = [];
 694                         }
 695                 }
 696         }
 697
 698         $o = Renderer::replaceMacros($page_template, [
 699                 '$baseurl' => DI::baseUrl()->get($ssl_state),
 700                 '$return_path' => DI::args()->getQueryString(),
 701                 '$live_update' => $live_update_div,
 702                 '$remove' => DI::l10n()->t('remove'),
 703                 '$mode' => $mode,
 704                 '$update' => $update,
 705                 '$user' => $a->user,
 706                 '$threads' => $threads,
 707                 '$dropping' => ($page_dropping ? DI::l10n()->t('Delete Selected Items') : False),
 708         ]);
 709
 710         return $o;
 711 }
 712
 713 /**
 714  * Fetch all comments from a query. Additionally set the newest resharer as thread owner.
 715  *
 716  * @param mixed   $thread_items Database statement with thread posts
 717  * @param boolean $pinned       Is the item pinned?
 718  * @param array   $activity     Contact data of the resharer
 719  *
 720  * @return array items with parents and comments
 721  */
 722 function conversation_fetch_comments($thread_items, bool $pinned, array $activity) {
 723         $comments = [];
 724
 725         while ($row = Post::fetch($thread_items)) {
 726                 if (!empty($activity)) {
 727                         if (($row['gravity'] == GRAVITY_PARENT)) {
 728                                 $row['post-reason'] = Item::PR_ANNOUNCEMENT;
 729                                 $row = array_merge($row, $activity);
 730                                 $contact = Contact::getById($activity['causer-id'], ['url', 'name', 'thumb']);
 731                                 $row['causer-link'] = $contact['url'];
 732                                 $row['causer-avatar'] = $contact['thumb'];
 733                                 $row['causer-name'] = $contact['name'];
 734                         } elseif (($row['gravity'] == GRAVITY_ACTIVITY) && ($row['verb'] == Activity::ANNOUNCE) &&
 735                                 ($row['author-id'] == $activity['causer-id'])) {
 736                                 continue;
 737                         }
 738                 }
 739
 740                 $name = $row['causer-contact-type'] == Contact::TYPE_RELAY ? $row['causer-link'] : $row['causer-name'];
 741
 742                 switch ($row['post-reason']) {
 743                         case Item::PR_TO:
 744                                 $row['direction'] = ['direction' => 7, 'title' => DI::l10n()->t('You had been addressed (%s).', 'to')];
 745                                 break;
 746                         case Item::PR_CC:
 747                                 $row['direction'] = ['direction' => 7, 'title' => DI::l10n()->t('You had been addressed (%s).', 'cc')];
 748                                 break;
 749                         case Item::PR_BTO:
 750                                 $row['direction'] = ['direction' => 7, 'title' => DI::l10n()->t('You had been addressed (%s).', 'bto')];
 751                                 break;
 752                         case Item::PR_BCC:
 753                                 $row['direction'] = ['direction' => 7, 'title' => DI::l10n()->t('You had been addressed (%s).', 'bcc')];
 754                                 break;
 755                         case Item::PR_FOLLOWER:
 756                                 $row['direction'] = ['direction' => 6, 'title' => DI::l10n()->t('You are following %s.', $row['author-name'])];
 757                                 break;
 758                         case Item::PR_TAG:
 759                                 $row['direction'] = ['direction' => 4, 'title' => DI::l10n()->t('Tagged')];
 760                                 break;
 761                         case Item::PR_ANNOUNCEMENT:
 762                                 if (!empty($row['causer-id']) && DI::pConfig()->get(local_user(), 'system', 'display_resharer')) {
 763                                         $row['owner-id'] = $row['causer-id'];
 764                                         $row['owner-link'] = $row['causer-link'];
 765                                         $row['owner-avatar'] = $row['causer-avatar'];
 766                                         $row['owner-name'] = $row['causer-name'];
 767                                 }
 768
 769                                 if (($row['gravity'] == GRAVITY_PARENT) && !empty($row['causer-id'])) {
 770                                         $causer = ['uid' => 0, 'id' => $row['causer-id'],
 771                                                 'network' => $row['causer-network'], 'url' => $row['causer-link']];
 772                                         $row['reshared'] = DI::l10n()->t('%s reshared this.', '<a href="'. htmlentities(Contact::magicLinkByContact($causer)) .'">' . htmlentities($name) . '</a>');
 773                                 }
 774                                 $row['direction'] = ['direction' => 3, 'title' => (empty($row['causer-id']) ? DI::l10n()->t('Reshared') : DI::l10n()->t('Reshared by %s', $name))];
 775                                 break;
 776                         case Item::PR_COMMENT:
 777                                 $row['direction'] = ['direction' => 5, 'title' => DI::l10n()->t('%s is participating in this thread.', $row['author-name'])];
 778                                 break;
 779                         case Item::PR_STORED:
 780                                 $row['direction'] = ['direction' => 8, 'title' => DI::l10n()->t('Stored')];
 781                                 break;
 782                         case Item::PR_GLOBAL:
 783                                 $row['direction'] = ['direction' => 9, 'title' => DI::l10n()->t('Global')];
 784                                 break;
 785                         case Item::PR_RELAY:
 786                                 $row['direction'] = ['direction' => 10, 'title' => (empty($row['causer-id']) ? DI::l10n()->t('Relayed') : DI::l10n()->t('Relayed by %s.', $name))];
 787                                 break;
 788                         case Item::PR_FETCHED:
 789                                 $row['direction'] = ['direction' => 2, 'title' => (empty($row['causer-id']) ? DI::l10n()->t('Fetched') : DI::l10n()->t('Fetched because of %s', $name))];
 790                                 break;
 791                         }
 792
 793                 if ($row['gravity'] == GRAVITY_PARENT) {
 794                         $row['pinned'] = $pinned;
 795                 }
 796
 797                 $comments[] = $row;
 798         }
 799
 800         DBA::close($thread_items);
 801
 802         return $comments;
 803 }
 804
 805 /**
 806  * Add comments to top level entries that had been fetched before
 807  *
 808  * The system will fetch the comments for the local user whenever possible.
 809  * This behaviour is currently needed to allow commenting on Friendica posts.
 810  *
 811  * @param array $parents Parent items
 812  *
 813  * @param       $block_authors
 814  * @param       $order
 815  * @param       $uid
 816  * @return array items with parents and comments
 817  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 818  */
 819 function conversation_add_children(array $parents, $block_authors, $order, $uid) {
 820         if (count($parents) > 1) {
 821                 $max_comments = DI::config()->get('system', 'max_comments', 100);
 822         } else {
 823                 $max_comments = DI::config()->get('system', 'max_display_comments', 1000);
 824         }
 825
 826         $params = ['order' => ['gravity', 'uid', 'commented' => true]];
 827
 828         if ($max_comments > 0) {
 829                 $params['limit'] = $max_comments;
 830         }
 831
 832         $items = [];
 833
 834         foreach ($parents AS $parent) {
 835                 if (!empty($parent['thr-parent-id']) && !empty($parent['gravity']) && ($parent['gravity'] == GRAVITY_ACTIVITY)) {
 836                         $condition = ["`parent-uri-id` = ? AND `uid` IN (0, ?) AND (`vid` != ? OR `vid` IS NULL)",
 837                                 $parent['thr-parent-id'], $uid, Verb::getID(Activity::FOLLOW)];
 838                         if (!empty($parent['author-id'])) {
 839                                 $activity = ['causer-id' => $parent['author-id']];
 840                                 foreach (['commented', 'received', 'created'] as $orderfields) {
 841                                         if (!empty($parent[$orderfields])) {
 842                                                 $activity[$orderfields] = $parent[$orderfields];
 843                                         }
 844                                 }
 845                         }
 846                 } else {
 847                         $condition = ["`parent-uri-id` = ? AND `uid` IN (0, ?) AND (`vid` != ? OR `vid` IS NULL)",
 848                                 $parent['uri-id'], $uid, Verb::getID(Activity::FOLLOW)];
 849                         $activity = [];
 850                 }
 851                 $items = conversation_fetch_items($parent, $items, $condition, $block_authors, $params, $activity);
 852         }
 853
 854         foreach ($items as $index => $item) {
 855                 if ($item['uid'] == 0) {
 856                         $items[$index]['writable'] = in_array($item['network'], Protocol::FEDERATED);
 857                 }
 858         }
 859
 860         $items = conv_sort($items, $order);
 861
 862         return $items;
 863 }
 864
 865 /**
 866  * Fetch conversation items
 867  *
 868  * @param array   $parent        Parent Item array
 869  * @param array   $items         Item array
 870  * @param array   $condition     SQL condition
 871  * @param boolean $block_authors Don't show posts from contacts that are hidden (used on the community page)
 872  * @param array   $params        SQL parameters
 873  * @param array   $activity      Contact data of the resharer
 874  * @return array
 875  */
 876 function conversation_fetch_items(array $parent, array $items, array $condition, bool $block_authors, array $params, array $activity) {
 877         if ($block_authors) {
 878                 $condition[0] .= " AND NOT `author-hidden`";
 879         }
 880
 881         $thread_items = Post::selectForUser(local_user(), array_merge(Item::DISPLAY_FIELDLIST, ['pinned', 'contact-uid', 'gravity', 'post-type', 'post-reason']), $condition, $params);
 882
 883         $comments = conversation_fetch_comments($thread_items, $parent['pinned'] ?? false, $activity);
 884
 885         if (count($comments) != 0) {
 886                 $items = array_merge($items, $comments);
 887         }
 888         return $items;
 889 }
 890
 891 function item_photo_menu($item)
 892 {
 893         $sub_link = '';
 894         $poke_link = '';
 895         $contact_url = '';
 896         $pm_url = '';
 897         $status_link = '';
 898         $photos_link = '';
 899         $posts_link = '';
 900         $block_link = '';
 901         $ignore_link = '';
 902
 903         if (local_user() && local_user() == $item['uid'] && $item['gravity'] == GRAVITY_PARENT && !$item['self'] && !$item['mention']) {
 904                 $sub_link = 'javascript:doFollowThread(' . $item['id'] . '); return false;';
 905         }
 906
 907         $author = ['uid' => 0, 'id' => $item['author-id'],
 908                 'network' => $item['author-network'], 'url' => $item['author-link']];
 909         $profile_link = Contact::magicLinkByContact($author, $item['author-link']);
 910         $sparkle = (strpos($profile_link, 'redir/') === 0);
 911
 912         $cid = 0;
 913         $pcid = $item['author-id'];
 914         $network = '';
 915         $rel = 0;
 916         $condition = ['uid' => local_user(), 'nurl' => Strings::normaliseLink($item['author-link'])];
 917         $contact = DBA::selectFirst('contact', ['id', 'network', 'rel'], $condition);
 918         if (DBA::isResult($contact)) {
 919                 $cid = $contact['id'];
 920                 $network = $contact['network'];
 921                 $rel = $contact['rel'];
 922         }
 923
 924         if ($sparkle) {
 925                 $status_link = $profile_link . '/status';
 926                 $photos_link = str_replace('/profile/', '/photos/', $profile_link);
 927                 $profile_link = $profile_link . '/profile';
 928         }
 929
 930         if (!empty($pcid)) {
 931                 $contact_url = 'contact/' . $pcid;
 932                 $posts_link  = $contact_url . '/posts';
 933                 $block_link  = $item['self'] ? '' : $contact_url . '/block';
 934                 $ignore_link = $item['self'] ? '' : $contact_url . '/ignore';
 935         }
 936
 937         if ($cid && !$item['self']) {
 938                 $contact_url = 'contact/' . $cid;
 939                 $poke_link   = $contact_url . '/poke';
 940                 $posts_link  = $contact_url . '/posts';
 941
 942                 if (in_array($network, [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA])) {
 943                         $pm_url = 'message/new/' . $cid;
 944                 }
 945         }
 946
 947         if (local_user()) {
 948                 $menu = [
 949                         DI::l10n()->t('Follow Thread') => $sub_link,
 950                         DI::l10n()->t('View Status') => $status_link,
 951                         DI::l10n()->t('View Profile') => $profile_link,
 952                         DI::l10n()->t('View Photos') => $photos_link,
 953                         DI::l10n()->t('Network Posts') => $posts_link,
 954                         DI::l10n()->t('View Contact') => $contact_url,
 955                         DI::l10n()->t('Send PM') => $pm_url,
 956                         DI::l10n()->t('Block') => $block_link,
 957                         DI::l10n()->t('Ignore') => $ignore_link
 958                 ];
 959
 960                 if (!empty($item['language'])) {
 961                         $menu[DI::l10n()->t('Languages')] = 'javascript:alert(\'' . Item::getLanguageMessage($item) . '\');';
 962                 }
 963
 964                 if ($network == Protocol::DFRN) {
 965                         $menu[DI::l10n()->t("Poke")] = $poke_link;
 966                 }
 967
 968                 if ((($cid == 0) || ($rel == Contact::FOLLOWER)) &&
 969                         in_array($item['network'], Protocol::FEDERATED)) {
 970                         $menu[DI::l10n()->t('Connect/Follow')] = 'follow?url=' . urlencode($item['author-link']) . '&auto=1';
 971                 }
 972         } else {
 973                 $menu = [DI::l10n()->t('View Profile') => $item['author-link']];
 974         }
 975
 976         $args = ['item' => $item, 'menu' => $menu];
 977
 978         Hook::callAll('item_photo_menu', $args);
 979
 980         $menu = $args['menu'];
 981
 982         $o = '';
 983         foreach ($menu as $k => $v) {
 984                 if (strpos($v, 'javascript:') === 0) {
 985                         $v = substr($v, 11);
 986                         $o .= '<li role="menuitem"><a onclick="' . $v . '">' . $k . '</a></li>' . PHP_EOL;
 987                 } elseif ($v) {
 988                         $o .= '<li role="menuitem"><a href="' . $v . '">' . $k . '</a></li>' . PHP_EOL;
 989                 }
 990         }
 991         return $o;
 992 }
 993
 994 /**
 995  * Checks item to see if it is one of the builtin activities (like/dislike, event attendance, consensus items, etc.)
 996  *
 997  * Increments the count of each matching activity and adds a link to the author as needed.
 998  *
 999  * @param array  $activity
1000  * @param array &$conv_responses (already created with builtin activity structure)
1001  * @return void
1002  * @throws ImagickException
1003  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1004  */
1005 function builtin_activity_puller(array $activity, array &$conv_responses)
1006 {
1007         foreach ($conv_responses as $mode => $v) {
1008                 $sparkle = '';
1009
1010                 switch ($mode) {
1011                         case 'like':
1012                                 $verb = Activity::LIKE;
1013                                 break;
1014                         case 'dislike':
1015                                 $verb = Activity::DISLIKE;
1016                                 break;
1017                         case 'attendyes':
1018                                 $verb = Activity::ATTEND;
1019                                 break;
1020                         case 'attendno':
1021                                 $verb = Activity::ATTENDNO;
1022                                 break;
1023                         case 'attendmaybe':
1024                                 $verb = Activity::ATTENDMAYBE;
1025                                 break;
1026                         case 'announce':
1027                                 $verb = Activity::ANNOUNCE;
1028                                 break;
1029                         default:
1030                                 return;
1031                 }
1032
1033                 if (!empty($activity['verb']) && DI::activity()->match($activity['verb'], $verb) && ($activity['gravity'] != GRAVITY_PARENT)) {
1034                         $author = [
1035                                 'uid' => 0,
1036                                 'id' => $activity['author-id'],
1037                                 'network' => $activity['author-network'],
1038                                 'url' => $activity['author-link']
1039                         ];
1040                         $url = Contact::magicLinkByContact($author);
1041                         if (strpos($url, 'redir/') === 0) {
1042                                 $sparkle = ' class="sparkle" ';
1043                         }
1044
1045                         $link = '<a href="' . $url . '"' . $sparkle . '>' . htmlentities($activity['author-name']) . '</a>';
1046
1047                         if (empty($activity['thr-parent-id'])) {
1048                                 $activity['thr-parent-id'] = $activity['parent-uri-id'];
1049                         }
1050
1051                         // Skip when the causer of the parent is the same than the author of the announce
1052                         if (($verb == Activity::ANNOUNCE) && Post::exists(['uri-id' => $activity['thr-parent-id'],
1053                                 'uid' => $activity['uid'], 'causer-id' => $activity['author-id'], 'gravity' => GRAVITY_PARENT])) {
1054                                 continue;
1055                         }
1056
1057                         if (!isset($conv_responses[$mode][$activity['thr-parent-id']])) {
1058                                 $conv_responses[$mode][$activity['thr-parent-id']] = [
1059                                         'links' => [],
1060                                         'self' => 0,
1061                                 ];
1062                         } elseif (in_array($link, $conv_responses[$mode][$activity['thr-parent-id']]['links'])) {
1063                                 // only list each unique author once
1064                                 continue;
1065                         }
1066
1067                         if (public_contact() == $activity['author-id']) {
1068                                 $conv_responses[$mode][$activity['thr-parent-id']]['self'] = 1;
1069                         }
1070
1071                         $conv_responses[$mode][$activity['thr-parent-id']]['links'][] = $link;
1072
1073                         // there can only be one activity verb per item so if we found anything, we can stop looking
1074                         return;
1075                 }
1076         }
1077 }
1078
1079 /**
1080  * Format the activity text for an item/photo/video
1081  *
1082  * @param array  $links = array of pre-linked names of actors
1083  * @param string $verb  = one of 'like, 'dislike', 'attendyes', 'attendno', 'attendmaybe'
1084  * @param int    $id    = item id
1085  * @return string formatted text
1086  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1087  */
1088 function format_activity(array $links, $verb, $id) {
1089         $o = '';
1090         $expanded = '';
1091         $phrase = '';
1092
1093         $total = count($links);
1094         if ($total == 1) {
1095                 $likers = $links[0];
1096
1097                 // Phrase if there is only one liker. In other cases it will be uses for the expanded
1098                 // list which show all likers
1099                 switch ($verb) {
1100                         case 'like' :
1101                                 $phrase = DI::l10n()->t('%s likes this.', $likers);
1102                                 break;
1103                         case 'dislike' :
1104                                 $phrase = DI::l10n()->t('%s doesn\'t like this.', $likers);
1105                                 break;
1106                         case 'attendyes' :
1107                                 $phrase = DI::l10n()->t('%s attends.', $likers);
1108                                 break;
1109                         case 'attendno' :
1110                                 $phrase = DI::l10n()->t('%s doesn\'t attend.', $likers);
1111                                 break;
1112                         case 'attendmaybe' :
1113                                 $phrase = DI::l10n()->t('%s attends maybe.', $likers);
1114                                 break;
1115                         case 'announce' :
1116                                 $phrase = DI::l10n()->t('%s reshared this.', $likers);
1117                                 break;
1118                 }
1119         } elseif ($total > 1) {
1120                 if ($total < MAX_LIKERS) {
1121                         $likers = implode(', ', array_slice($links, 0, -1));
1122                         $likers .= ' ' . DI::l10n()->t('and') . ' ' . $links[count($links)-1];
1123                 } else  {
1124                         $likers = implode(', ', array_slice($links, 0, MAX_LIKERS - 1));
1125                         $likers .= ' ' . DI::l10n()->t('and %d other people', $total - MAX_LIKERS);
1126                 }
1127
1128                 $spanatts = "class=\"fakelink\" onclick=\"openClose('{$verb}list-$id');\"";
1129
1130                 $explikers = '';
1131                 switch ($verb) {
1132                         case 'like':
1133                                 $phrase = DI::l10n()->t('<span  %1$s>%2$d people</span> like this', $spanatts, $total);
1134                                 $explikers = DI::l10n()->t('%s like this.', $likers);
1135                                 break;
1136                         case 'dislike':
1137                                 $phrase = DI::l10n()->t('<span  %1$s>%2$d people</span> don\'t like this', $spanatts, $total);
1138                                 $explikers = DI::l10n()->t('%s don\'t like this.', $likers);
1139                                 break;
1140                         case 'attendyes':
1141                                 $phrase = DI::l10n()->t('<span  %1$s>%2$d people</span> attend', $spanatts, $total);
1142                                 $explikers = DI::l10n()->t('%s attend.', $likers);
1143                                 break;
1144                         case 'attendno':
1145                                 $phrase = DI::l10n()->t('<span  %1$s>%2$d people</span> don\'t attend', $spanatts, $total);
1146                                 $explikers = DI::l10n()->t('%s don\'t attend.', $likers);
1147                                 break;
1148                         case 'attendmaybe':
1149                                 $phrase = DI::l10n()->t('<span  %1$s>%2$d people</span> attend maybe', $spanatts, $total);
1150                                 $explikers = DI::l10n()->t('%s attend maybe.', $likers);
1151                                 break;
1152                         case 'announce':
1153                                 $phrase = DI::l10n()->t('<span  %1$s>%2$d people</span> reshared this', $spanatts, $total);
1154                                 $explikers = DI::l10n()->t('%s reshared this.', $likers);
1155                                 break;
1156                 }
1157
1158                 $expanded .= "\t" . '<p class="wall-item-' . $verb . '-expanded" id="' . $verb . 'list-' . $id . '" style="display: none;" >' . $explikers . EOL . '</p>';
1159         }
1160
1161         $o .= Renderer::replaceMacros(Renderer::getMarkupTemplate('voting_fakelink.tpl'), [
1162                 '$phrase' => $phrase,
1163                 '$type' => $verb,
1164                 '$id' => $id
1165         ]);
1166         $o .= $expanded;
1167
1168         return $o;
1169 }
1170
1171 function status_editor(App $a, $x, $notes_cid = 0, $popup = false)
1172 {
1173         $o = '';
1174
1175         $geotag = !empty($x['allow_location']) ? Renderer::replaceMacros(Renderer::getMarkupTemplate('jot_geotag.tpl'), []) : '';
1176
1177         $tpl = Renderer::getMarkupTemplate('jot-header.tpl');
1178         DI::page()['htmlhead'] .= Renderer::replaceMacros($tpl, [
1179                 '$newpost'   => 'true',
1180                 '$baseurl'   => DI::baseUrl()->get(true),
1181                 '$geotag'    => $geotag,
1182                 '$nickname'  => $x['nickname'],
1183                 '$ispublic'  => DI::l10n()->t('Visible to <strong>everybody</strong>'),
1184                 '$linkurl'   => DI::l10n()->t('Please enter a image/video/audio/webpage URL:'),
1185                 '$term'      => DI::l10n()->t('Tag term:'),
1186                 '$fileas'    => DI::l10n()->t('Save to Folder:'),
1187                 '$whereareu' => DI::l10n()->t('Where are you right now?'),
1188                 '$delitems'  => DI::l10n()->t("Delete item\x28s\x29?"),
1189                 '$is_mobile' => DI::mode()->isMobile(),
1190         ]);
1191
1192         $jotplugins = '';
1193         Hook::callAll('jot_tool', $jotplugins);
1194
1195         $tpl = Renderer::getMarkupTemplate("jot.tpl");
1196
1197         $o .= Renderer::replaceMacros($tpl, [
1198                 '$new_post' => DI::l10n()->t('New Post'),
1199                 '$return_path'  => DI::args()->getQueryString(),
1200                 '$action'       => 'item',
1201                 '$share'        => ($x['button'] ?? '') ?: DI::l10n()->t('Share'),
1202                 '$loading'      => DI::l10n()->t('Loading...'),
1203                 '$upload'       => DI::l10n()->t('Upload photo'),
1204                 '$shortupload'  => DI::l10n()->t('upload photo'),
1205                 '$attach'       => DI::l10n()->t('Attach file'),
1206                 '$shortattach'  => DI::l10n()->t('attach file'),
1207                 '$edbold'       => DI::l10n()->t('Bold'),
1208                 '$editalic'     => DI::l10n()->t('Italic'),
1209                 '$eduline'      => DI::l10n()->t('Underline'),
1210                 '$edquote'      => DI::l10n()->t('Quote'),
1211                 '$edcode'       => DI::l10n()->t('Code'),
1212                 '$edimg'        => DI::l10n()->t('Image'),
1213                 '$edurl'        => DI::l10n()->t('Link'),
1214                 '$edattach'     => DI::l10n()->t('Link or Media'),
1215                 '$edvideo'      => DI::l10n()->t('Video'),
1216                 '$setloc'       => DI::l10n()->t('Set your location'),
1217                 '$shortsetloc'  => DI::l10n()->t('set location'),
1218                 '$noloc'        => DI::l10n()->t('Clear browser location'),
1219                 '$shortnoloc'   => DI::l10n()->t('clear location'),
1220                 '$title'        => $x['title'] ?? '',
1221                 '$placeholdertitle' => DI::l10n()->t('Set title'),
1222                 '$category'     => $x['category'] ?? '',
1223                 '$placeholdercategory' => Feature::isEnabled(local_user(), 'categories') ? DI::l10n()->t("Categories \x28comma-separated list\x29") : '',
1224                 '$wait'         => DI::l10n()->t('Please wait'),
1225                 '$permset'      => DI::l10n()->t('Permission settings'),
1226                 '$shortpermset' => DI::l10n()->t('Permissions'),
1227                 '$wall'         => $notes_cid ? 0 : 1,
1228                 '$posttype'     => $notes_cid ? Item::PT_PERSONAL_NOTE : Item::PT_ARTICLE,
1229                 '$content'      => $x['content'] ?? '',
1230                 '$post_id'      => $x['post_id'] ?? '',
1231                 '$baseurl'      => DI::baseUrl()->get(true),
1232                 '$defloc'       => $x['default_location'],
1233                 '$visitor'      => $x['visitor'],
1234                 '$pvisit'       => $notes_cid ? 'none' : $x['visitor'],
1235                 '$public'       => DI::l10n()->t('Public post'),
1236                 '$lockstate'    => $x['lockstate'],
1237                 '$bang'         => $x['bang'],
1238                 '$profile_uid'  => $x['profile_uid'],
1239                 '$preview'      => DI::l10n()->t('Preview'),
1240                 '$jotplugins'   => $jotplugins,
1241                 '$notes_cid'    => $notes_cid,
1242                 '$sourceapp'    => DI::l10n()->t($a->sourcename),
1243                 '$cancel'       => DI::l10n()->t('Cancel'),
1244                 '$rand_num'     => Crypto::randomDigits(12),
1245
1246                 // ACL permissions box
1247                 '$acl'           => $x['acl'],
1248
1249                 //jot nav tab (used in some themes)
1250                 '$message' => DI::l10n()->t('Message'),
1251                 '$browser' => DI::l10n()->t('Browser'),
1252
1253                 '$compose_link_title' => DI::l10n()->t('Open Compose page'),
1254         ]);
1255
1256
1257         if ($popup == true) {
1258                 $o = '<div id="jot-popup" style="display: none;">' . $o . '</div>';
1259         }
1260
1261         return $o;
1262 }
1263
1264 /**
1265  * Plucks the children of the given parent from a given item list.
1266  *
1267  * @param array $item_list
1268  * @param array $parent
1269  * @param bool  $recursive
1270  * @return array
1271  */
1272 function get_item_children(array &$item_list, array $parent, $recursive = true)
1273 {
1274         $children = [];
1275         foreach ($item_list as $i => $item) {
1276                 if ($item['gravity'] != GRAVITY_PARENT) {
1277                         if ($recursive) {
1278                                 // Fallback to parent-uri if thr-parent is not set
1279                                 $thr_parent = $item['thr-parent-id'];
1280                                 if ($thr_parent == '') {
1281                                         $thr_parent = $item['parent-uri-id'];
1282                                 }
1283
1284                                 if ($thr_parent == $parent['uri-id']) {
1285                                         $item['children'] = get_item_children($item_list, $item);
1286                                         $children[] = $item;
1287                                         unset($item_list[$i]);
1288                                 }
1289                         } elseif ($item['parent-uri-id'] == $parent['uri-id']) {
1290                                 $children[] = $item;
1291                                 unset($item_list[$i]);
1292                         }
1293                 }
1294         }
1295         return $children;
1296 }
1297
1298 /**
1299  * Recursively sorts a tree-like item array
1300  *
1301  * @param array $items
1302  * @return array
1303  */
1304 function sort_item_children(array $items)
1305 {
1306         $result = $items;
1307         usort($result, 'sort_thr_received_rev');
1308         foreach ($result as $k => $i) {
1309                 if (isset($result[$k]['children'])) {
1310                         $result[$k]['children'] = sort_item_children($result[$k]['children']);
1311                 }
1312         }
1313         return $result;
1314 }
1315
1316 /**
1317  * Recursively add all children items at the top level of a list
1318  *
1319  * @param array $children List of items to append
1320  * @param array $item_list
1321  */
1322 function add_children_to_list(array $children, array &$item_list)
1323 {
1324         foreach ($children as $child) {
1325                 $item_list[] = $child;
1326                 if (isset($child['children'])) {
1327                         add_children_to_list($child['children'], $item_list);
1328                 }
1329         }
1330 }
1331
1332 /**
1333  * Selectively flattens a tree-like item structure to prevent threading stairs
1334  *
1335  * This recursive function takes the item tree structure created by conv_sort() and
1336  * flatten the extraneous depth levels when people reply sequentially, removing the
1337  * stairs effect in threaded conversations limiting the available content width.
1338  *
1339  * The basic principle is the following: if a post item has only one reply and is
1340  * the last reply of its parent, then the reply is moved to the parent.
1341  *
1342  * This process is rendered somewhat more complicated because items can be either
1343  * replies or likes, and these don't factor at all in the reply count/last reply.
1344  *
1345  * @param array $parent A tree-like array of items
1346  * @return array
1347  */
1348 function smart_flatten_conversation(array $parent)
1349 {
1350         if (!isset($parent['children']) || count($parent['children']) == 0) {
1351                 return $parent;
1352         }
1353
1354         // We use a for loop to ensure we process the newly-moved items
1355         for ($i = 0; $i < count($parent['children']); $i++) {
1356                 $child = $parent['children'][$i];
1357
1358                 if (isset($child['children']) && count($child['children'])) {
1359                         // This helps counting only the regular posts
1360                         $count_post_closure = function($var) {
1361                                 return $var['verb'] === Activity::POST;
1362                         };
1363
1364                         $child_post_count = count(array_filter($child['children'], $count_post_closure));
1365
1366                         $remaining_post_count = count(array_filter(array_slice($parent['children'], $i), $count_post_closure));
1367
1368                         // If there's only one child's children post and this is the last child post
1369                         if ($child_post_count == 1 && $remaining_post_count == 1) {
1370
1371                                 // Searches the post item in the children
1372                                 $j = 0;
1373                                 while($child['children'][$j]['verb'] !== Activity::POST && $j < count($child['children'])) {
1374                                         $j ++;
1375                                 }
1376
1377                                 $moved_item = $child['children'][$j];
1378                                 unset($parent['children'][$i]['children'][$j]);
1379                                 $parent['children'][] = $moved_item;
1380                         } else {
1381                                 $parent['children'][$i] = smart_flatten_conversation($child);
1382                         }
1383                 }
1384         }
1385
1386         return $parent;
1387 }
1388
1389
1390 /**
1391  * Expands a flat list of items into corresponding tree-like conversation structures.
1392  *
1393  * sort the top-level posts either on "received" or "commented", and finally
1394  * append all the items at the top level (???)
1395  *
1396  * @param array  $item_list A list of items belonging to one or more conversations
1397  * @param string $order     Either on "received" or "commented"
1398  * @return array
1399  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1400  */
1401 function conv_sort(array $item_list, $order)
1402 {
1403         $parents = [];
1404
1405         if (!(is_array($item_list) && count($item_list))) {
1406                 return $parents;
1407         }
1408
1409         $blocklist = conv_get_blocklist();
1410
1411         $item_array = [];
1412
1413         // Dedupes the item list on the uri to prevent infinite loops
1414         foreach ($item_list as $item) {
1415                 if (in_array($item['author-id'], $blocklist)) {
1416                         continue;
1417                 }
1418
1419                 $item_array[$item['uri-id']] = $item;
1420         }
1421
1422         // Extract the top level items
1423         foreach ($item_array as $item) {
1424                 if ($item['gravity'] == GRAVITY_PARENT) {
1425                         $parents[] = $item;
1426                 }
1427         }
1428
1429         if (stristr($order, 'pinned_received')) {
1430                 usort($parents, 'sort_thr_pinned_received');
1431         } elseif (stristr($order, 'received')) {
1432                 usort($parents, 'sort_thr_received');
1433         } elseif (stristr($order, 'commented')) {
1434                 usort($parents, 'sort_thr_commented');
1435         }
1436
1437         /*
1438          * Plucks children from the item_array, second pass collects eventual orphan
1439          * items and add them as children of their top-level post.
1440          */
1441         foreach ($parents as $i => $parent) {
1442                 $parents[$i]['children'] =
1443                         array_merge(get_item_children($item_array, $parent, true),
1444                                 get_item_children($item_array, $parent, false));
1445         }
1446
1447         foreach ($parents as $i => $parent) {
1448                 $parents[$i]['children'] = sort_item_children($parents[$i]['children']);
1449         }
1450
1451         if (!DI::pConfig()->get(local_user(), 'system', 'no_smart_threading', 0)) {
1452                 foreach ($parents as $i => $parent) {
1453                         $parents[$i] = smart_flatten_conversation($parent);
1454                 }
1455         }
1456
1457         /// @TODO: Stop recusrsively adding all children back to the top level (!!!)
1458         /// However, this apparently ensures responses (likes, attendance) display (?!)
1459         foreach ($parents as $parent) {
1460                 if (count($parent['children'])) {
1461                         add_children_to_list($parent['children'], $parents);
1462                 }
1463         }
1464
1465         return $parents;
1466 }
1467
1468 /**
1469  * usort() callback to sort item arrays by pinned and the received key
1470  *
1471  * @param array $a
1472  * @param array $b
1473  * @return int
1474  */
1475 function sort_thr_pinned_received(array $a, array $b)
1476 {
1477         if ($b['pinned'] && !$a['pinned']) {
1478                 return 1;
1479         } elseif (!$b['pinned'] && $a['pinned']) {
1480                 return -1;
1481         }
1482
1483         return strcmp($b['received'], $a['received']);
1484 }
1485
1486 /**
1487  * usort() callback to sort item arrays by the received key
1488  *
1489  * @param array $a
1490  * @param array $b
1491  * @return int
1492  */
1493 function sort_thr_received(array $a, array $b)
1494 {
1495         return strcmp($b['received'], $a['received']);
1496 }
1497
1498 /**
1499  * usort() callback to reverse sort item arrays by the received key
1500  *
1501  * @param array $a
1502  * @param array $b
1503  * @return int
1504  */
1505 function sort_thr_received_rev(array $a, array $b)
1506 {
1507         return strcmp($a['received'], $b['received']);
1508 }
1509
1510 /**
1511  * usort() callback to sort item arrays by the commented key
1512  *
1513  * @param array $a
1514  * @param array $b
1515  * @return int
1516  */
1517 function sort_thr_commented(array $a, array $b)
1518 {
1519         return strcmp($b['commented'], $a['commented']);
1520 }