include/conversation.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2020, Friendica
   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                         $Aname = $item['author-name'];
 164                         $Alink = $item['author-link'];
 165
 166                         $obj = XML::parseString($xmlhead . $item['object']);
 167
 168                         $Bname = $obj->title;
 169                         $Blink = $obj->id;
 170                         $Bphoto = "";
 171
 172                         foreach ($obj->link as $l) {
 173                                 $atts = $l->attributes();
 174                                 switch ($atts['rel']) {
 175                                         case "alternate": $Blink = $atts['href'];
 176                                         case "photo": $Bphoto = $atts['href'];
 177                                 }
 178                         }
 179
 180                         $A = '[url=' . Contact::magicLink($Alink) . ']' . $Aname . '[/url]';
 181                         $B = '[url=' . Contact::magicLink($Blink) . ']' . $Bname . '[/url]';
 182                         if ($Bphoto != "") {
 183                                 $Bphoto = '[url=' . Contact::magicLink($Blink) . '][img=80x80]' . $Bphoto . '[/img][/url]';
 184                         }
 185
 186                         /*
 187                          * we can't have a translation string with three positions but no distinguishable text
 188                          * So here is the translate string.
 189                          */
 190                         $txt = DI::l10n()->t('%1$s poked %2$s');
 191
 192                         // now translate the verb
 193                         $poked_t = trim(sprintf($txt, '', ''));
 194                         $txt = str_replace($poked_t, DI::l10n()->t($verb), $txt);
 195
 196                         // then do the sprintf on the translation string
 197
 198                         $item['body'] = sprintf($txt, $A, $B) . "\n\n\n" . $Bphoto;
 199
 200                 }
 201
 202                 if ($activity->match($item['verb'], Activity::TAG)) {
 203                         $fields = ['author-id', 'author-link', 'author-name', 'author-network',
 204                                 'verb', 'object-type', 'resource-id', 'body', 'plink'];
 205                         $obj = Post::selectFirst($fields, ['uri' => $item['parent-uri']]);
 206                         if (!DBA::isResult($obj)) {
 207                                 return;
 208                         }
 209
 210                         $author_arr = ['uid' => 0, 'id' => $item['author-id'],
 211                                 'network' => $item['author-network'], 'url' => $item['author-link']];
 212                         $author  = '[url=' . Contact::magicLinkByContact($author_arr) . ']' . $item['author-name'] . '[/url]';
 213
 214                         $author_arr = ['uid' => 0, 'id' => $obj['author-id'],
 215                                 'network' => $obj['author-network'], 'url' => $obj['author-link']];
 216                         $objauthor  = '[url=' . Contact::magicLinkByContact($author_arr) . ']' . $obj['author-name'] . '[/url]';
 217
 218                         switch ($obj['verb']) {
 219                                 case Activity::POST:
 220                                         switch ($obj['object-type']) {
 221                                                 case Activity\ObjectType::EVENT:
 222                                                         $post_type = DI::l10n()->t('event');
 223                                                         break;
 224                                                 default:
 225                                                         $post_type = DI::l10n()->t('status');
 226                                         }
 227                                         break;
 228                                 default:
 229                                         if ($obj['resource-id']) {
 230                                                 $post_type = DI::l10n()->t('photo');
 231                                                 $m=[]; preg_match("/\[url=([^]]*)\]/", $obj['body'], $m);
 232                                                 $rr['plink'] = $m[1];
 233                                         } else {
 234                                                 $post_type = DI::l10n()->t('status');
 235                                         }
 236                                         // Let's break everthing ... ;-)
 237                                         break;
 238                         }
 239                         $plink = '[url=' . $obj['plink'] . ']' . $post_type . '[/url]';
 240
 241                         $parsedobj = XML::parseString($xmlhead . $item['object']);
 242
 243                         $tag = sprintf('#[url=%s]%s[/url]', $parsedobj->id, $parsedobj->content);
 244                         $item['body'] = DI::l10n()->t('%1$s tagged %2$s\'s %3$s with %4$s', $author, $objauthor, $plink, $tag);
 245                 }
 246         }
 247
 248         $matches = null;
 249         if (preg_match_all('/@\[url=(.*?)\]/is', $item['body'], $matches, PREG_SET_ORDER)) {
 250                 foreach ($matches as $mtch) {
 251                         if (!strpos($mtch[1], 'zrl=')) {
 252                                 $item['body'] = str_replace($mtch[0], '@[url=' . Contact::magicLink($mtch[1]) . ']', $item['body']);
 253                         }
 254                 }
 255         }
 256
 257         // add zrl's to public images
 258         $photo_pattern = "/\[url=(.*?)\/photos\/(.*?)\/image\/(.*?)\]\[img(.*?)\]h(.*?)\[\/img\]\[\/url\]/is";
 259         if (preg_match($photo_pattern, $item['body'])) {
 260                 $photo_replace = '[url=' . Profile::zrl('$1' . '/photos/' . '$2' . '/image/' . '$3' , true) . '][img' . '$4' . ']h' . '$5'  . '[/img][/url]';
 261                 $item['body'] = BBCode::pregReplaceInTag($photo_pattern, $photo_replace, 'url', $item['body']);
 262         }
 263
 264         // add sparkle links to appropriate permalinks
 265         $author = ['uid' => 0, 'id' => $item['author-id'],
 266                 'network' => $item['author-network'], 'url' => $item['author-link']];
 267
 268         // Only create a redirection to a magic link when logged in
 269         if (!empty($item['plink']) && Session::isAuthenticated()) {
 270                 $item['plink'] = Contact::magicLinkByContact($author, $item['plink']);
 271         }
 272 }
 273
 274 /**
 275  * Count the total of comments on this item and its desendants
 276  * @TODO proper type-hint + doc-tag
 277  * @param $item
 278  * @return int
 279  */
 280 function count_descendants($item) {
 281         $total = count($item['children']);
 282
 283         if ($total > 0) {
 284                 foreach ($item['children'] as $child) {
 285                         if (!visible_activity($child)) {
 286                                 $total --;
 287                         }
 288                         $total += count_descendants($child);
 289                 }
 290         }
 291
 292         return $total;
 293 }
 294
 295 function visible_activity($item) {
 296
 297         $activity = DI::activity();
 298
 299         if (empty($item['verb']) || $activity->isHidden($item['verb'])) {
 300                 return false;
 301         }
 302
 303         // @TODO below if() block can be rewritten to a single line: $isVisible = allConditionsHere;
 304         if ($activity->match($item['verb'], Activity::FOLLOW) &&
 305             $item['object-type'] === Activity\ObjectType::NOTE &&
 306             empty($item['self']) &&
 307             $item['uid'] == local_user()) {
 308                 return false;
 309         }
 310
 311         return true;
 312 }
 313
 314 function conv_get_blocklist()
 315 {
 316         if (!local_user()) {
 317                 return [];
 318         }
 319
 320         $str_blocked = str_replace(["\n", "\r"], ",", DI::pConfig()->get(local_user(), 'system', 'blocked'));
 321         if (empty($str_blocked)) {
 322                 return [];
 323         }
 324
 325         $blocklist = [];
 326
 327         foreach (explode(',', $str_blocked) as $entry) {
 328                 $cid = Contact::getIdForURL(trim($entry), 0, false);
 329                 if (!empty($cid)) {
 330                         $blocklist[] = $cid;
 331                 }
 332         }
 333
 334         return $blocklist;
 335 }
 336
 337 /**
 338  * "Render" a conversation or list of items for HTML display.
 339  * There are two major forms of display:
 340  *      - Sequential or unthreaded ("New Item View" or search results)
 341  *      - conversation view
 342  * The $mode parameter decides between the various renderings and also
 343  * figures out how to determine page owner and other contextual items
 344  * that are based on unique features of the calling module.
 345  * @param App    $a
 346  * @param array  $items
 347  * @param        $mode
 348  * @param        $update
 349  * @param bool   $preview
 350  * @param string $order
 351  * @param int    $uid
 352  * @return string
 353  * @throws ImagickException
 354  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 355  */
 356 function conversation(App $a, array $items, $mode, $update, $preview = false, $order = 'commented', $uid = 0)
 357 {
 358         $page = DI::page();
 359
 360         $page->registerFooterScript(Theme::getPathForFile('asset/typeahead.js/dist/typeahead.bundle.js'));
 361         $page->registerFooterScript(Theme::getPathForFile('js/friendica-tagsinput/friendica-tagsinput.js'));
 362         $page->registerStylesheet(Theme::getPathForFile('js/friendica-tagsinput/friendica-tagsinput.css'));
 363         $page->registerStylesheet(Theme::getPathForFile('js/friendica-tagsinput/friendica-tagsinput-typeahead.css'));
 364
 365         $ssl_state = (local_user() ? true : false);
 366
 367         $profile_owner = 0;
 368         $live_update_div = '';
 369
 370         $blocklist = conv_get_blocklist();
 371
 372         $previewing = (($preview) ? ' preview ' : '');
 373
 374         if ($mode === 'network') {
 375                 $items = conversation_add_children($items, false, $order, $uid);
 376                 $profile_owner = local_user();
 377                 if (!$update) {
 378                         /*
 379                          * The special div is needed for liveUpdate to kick in for this page.
 380                          * We only launch liveUpdate if you aren't filtering in some incompatible
 381                          * way and also you aren't writing a comment (discovered in javascript).
 382                          */
 383                         $live_update_div = '<div id="live-network"></div>' . "\r\n"
 384                                 . "<script> var profile_uid = " . $_SESSION['uid']
 385                                 . "; var netargs = '" . substr(DI::args()->getCommand(), 8)
 386                                 . '?f='
 387                                 . (!empty($_GET['contactid']) ? '&contactid=' . rawurlencode($_GET['contactid']) : '')
 388                                 . (!empty($_GET['search'])    ? '&search='    . rawurlencode($_GET['search'])    : '')
 389                                 . (!empty($_GET['star'])      ? '&star='      . rawurlencode($_GET['star'])      : '')
 390                                 . (!empty($_GET['order'])     ? '&order='     . rawurlencode($_GET['order'])     : '')
 391                                 . (!empty($_GET['bmark'])     ? '&bmark='     . rawurlencode($_GET['bmark'])     : '')
 392                                 . (!empty($_GET['liked'])     ? '&liked='     . rawurlencode($_GET['liked'])     : '')
 393                                 . (!empty($_GET['conv'])      ? '&conv='      . rawurlencode($_GET['conv'])      : '')
 394                                 . (!empty($_GET['nets'])      ? '&nets='      . rawurlencode($_GET['nets'])      : '')
 395                                 . (!empty($_GET['cmin'])      ? '&cmin='      . rawurlencode($_GET['cmin'])      : '')
 396                                 . (!empty($_GET['cmax'])      ? '&cmax='      . rawurlencode($_GET['cmax'])      : '')
 397                                 . (!empty($_GET['file'])      ? '&file='      . rawurlencode($_GET['file'])      : '')
 398
 399                                 . "'; </script>\r\n";
 400                 }
 401         } elseif ($mode === 'profile') {
 402                 $items = conversation_add_children($items, false, $order, $uid);
 403                 $profile_owner = $a->profile['uid'];
 404
 405                 if (!$update) {
 406                         $tab = 'posts';
 407                         if (!empty($_GET['tab'])) {
 408                                 $tab = Strings::escapeTags(trim($_GET['tab']));
 409                         }
 410                         if ($tab === 'posts') {
 411                                 /*
 412                                  * This is ugly, but we can't pass the profile_uid through the session to the ajax updater,
 413                                  * because browser prefetching might change it on us. We have to deliver it with the page.
 414                                  */
 415
 416                                 $live_update_div = '<div id="live-profile"></div>' . "\r\n"
 417                                         . "<script> var profile_uid = " . $a->profile['uid']
 418                                         . "; var netargs = '?f='; </script>\r\n";
 419                         }
 420                 }
 421         } elseif ($mode === 'notes') {
 422                 $items = conversation_add_children($items, false, $order, local_user());
 423                 $profile_owner = local_user();
 424
 425                 if (!$update) {
 426                         $live_update_div = '<div id="live-notes"></div>' . "\r\n"
 427                                 . "<script> var profile_uid = " . local_user()
 428                                 . "; var netargs = '/?f='; </script>\r\n";
 429                 }
 430         } elseif ($mode === 'display') {
 431                 $items = conversation_add_children($items, false, $order, $uid);
 432                 $profile_owner = $a->profile['uid'];
 433
 434                 if (!$update) {
 435                         $live_update_div = '<div id="live-display"></div>' . "\r\n"
 436                                 . "<script> var profile_uid = " . Session::get('uid', 0) . ";"
 437                                 . "</script>";
 438                 }
 439         } elseif ($mode === 'community') {
 440                 $items = conversation_add_children($items, true, $order, $uid);
 441                 $profile_owner = 0;
 442
 443                 if (!$update) {
 444                         $live_update_div = '<div id="live-community"></div>' . "\r\n"
 445                                 . "<script> var profile_uid = -1; var netargs = '" . substr(DI::args()->getCommand(), 10)
 446                                 . '?f='
 447                                 . (!empty($_GET['no_sharer']) ? '&no_sharer=' . rawurlencode($_GET['no_sharer']) : '')
 448                                 . "'; </script>\r\n";
 449                 }
 450         } elseif ($mode === 'contacts') {
 451                 $items = conversation_add_children($items, false, $order, $uid);
 452                 $profile_owner = 0;
 453
 454                 if (!$update) {
 455                         $live_update_div = '<div id="live-contact"></div>' . "\r\n"
 456                                 . "<script> var profile_uid = -1; var netargs = '" . substr(DI::args()->getCommand(), 8)
 457                                 ."/?f='; </script>\r\n";
 458                 }
 459         } elseif ($mode === 'search') {
 460                 $live_update_div = '<div id="live-search"></div>' . "\r\n";
 461         }
 462
 463         $page_dropping = ((local_user() && local_user() == $profile_owner) ? true : false);
 464
 465         if (!$update) {
 466                 $_SESSION['return_path'] = DI::args()->getQueryString();
 467         }
 468
 469         $cb = ['items' => $items, 'mode' => $mode, 'update' => $update, 'preview' => $preview];
 470         Hook::callAll('conversation_start', $cb);
 471
 472         $items = $cb['items'];
 473
 474         $conv_responses = [
 475                 'like'        => [],
 476                 'dislike'     => [],
 477                 'attendyes'   => [],
 478                 'attendno'    => [],
 479                 'attendmaybe' => [],
 480                 'announce'    => [],
 481         ];
 482
 483         if (DI::pConfig()->get(local_user(), 'system', 'hide_dislike')) {
 484                 unset($conv_responses['dislike']);
 485         }
 486
 487         // array with html for each thread (parent+comments)
 488         $threads = [];
 489         $threadsid = -1;
 490
 491         $page_template = Renderer::getMarkupTemplate("conversation.tpl");
 492
 493         if (!empty($items)) {
 494                 if (in_array($mode, ['community', 'contacts'])) {
 495                         $writable = true;
 496                 } else {
 497                         $writable = ($items[0]['uid'] == 0) && in_array($items[0]['network'], Protocol::FEDERATED);
 498                 }
 499
 500                 if (!local_user()) {
 501                         $writable = false;
 502                 }
 503
 504                 if (in_array($mode, ['filed', 'search', 'contact-posts'])) {
 505
 506                         /*
 507                          * "New Item View" on network page or search page results
 508                          * - just loop through the items and format them minimally for display
 509                          */
 510
 511                         $tpl = 'search_item.tpl';
 512
 513                         foreach ($items as $item) {
 514
 515                                 if (!visible_activity($item)) {
 516                                         continue;
 517                                 }
 518
 519                                 if (in_array($item['author-id'], $blocklist)) {
 520                                         continue;
 521                                 }
 522
 523                                 $threadsid++;
 524
 525                                 // prevent private email from leaking.
 526                                 if ($item['network'] === Protocol::MAIL && local_user() != $item['uid']) {
 527                                         continue;
 528                                 }
 529
 530                                 $profile_name = $item['author-name'];
 531                                 if (!empty($item['author-link']) && empty($item['author-name'])) {
 532                                         $profile_name = $item['author-link'];
 533                                 }
 534
 535                                 $tags = Tag::populateFromItem($item);
 536
 537                                 $author = ['uid' => 0, 'id' => $item['author-id'],
 538                                         'network' => $item['author-network'], 'url' => $item['author-link']];
 539                                 $profile_link = Contact::magicLinkByContact($author);
 540
 541                                 $sparkle = '';
 542                                 if (strpos($profile_link, 'redir/') === 0) {
 543                                         $sparkle = ' sparkle';
 544                                 }
 545
 546                                 $locate = ['location' => $item['location'], 'coord' => $item['coord'], 'html' => ''];
 547                                 Hook::callAll('render_location', $locate);
 548                                 $location_html = $locate['html'] ?: Strings::escapeHtml($locate['location'] ?: $locate['coord'] ?: '');
 549
 550                                 localize_item($item);
 551                                 if ($mode === 'filed') {
 552                                         $dropping = true;
 553                                 } else {
 554                                         $dropping = false;
 555                                 }
 556
 557                                 $drop = [
 558                                         'dropping' => $dropping,
 559                                         'pagedrop' => $page_dropping,
 560                                         'select' => DI::l10n()->t('Select'),
 561                                         'delete' => DI::l10n()->t('Delete'),
 562                                 ];
 563
 564                                 $likebuttons = [
 565                                         'like'     => null,
 566                                         'dislike'  => null,
 567                                         'share'    => null,
 568                                         'announce' => null,
 569                                 ];
 570
 571                                 if (DI::pConfig()->get(local_user(), 'system', 'hide_dislike')) {
 572                                         unset($likebuttons['dislike']);
 573                                 }
 574
 575                                 $body_html = Item::prepareBody($item, true, $preview);
 576
 577                                 list($categories, $folders) = DI::contentItem()->determineCategoriesTerms($item);
 578
 579                                 if (!empty($item['content-warning']) && DI::pConfig()->get(local_user(), 'system', 'disable_cw', false)) {
 580                                         $title = ucfirst($item['content-warning']);
 581                                 } else {
 582                                         $title = $item['title'];
 583                                 }
 584
 585                                 $tmp_item = [
 586                                         'template' => $tpl,
 587                                         'id' => ($preview ? 'P0' : $item['id']),
 588                                         'guid' => ($preview ? 'Q0' : $item['guid']),
 589                                         'commented' => $item['commented'],
 590                                         'received' => $item['received'],
 591                                         'created_date' => $item['created'],
 592                                         'uriid' => $item['uri-id'],
 593                                         'network' => $item['network'],
 594                                         'network_name' => ContactSelector::networkToName($item['author-network'], $item['author-link'], $item['network']),
 595                                         'network_icon' => ContactSelector::networkToIcon($item['network'], $item['author-link']),
 596                                         'linktitle' => DI::l10n()->t('View %s\'s profile @ %s', $profile_name, $item['author-link']),
 597                                         'profile_url' => $profile_link,
 598                                         'item_photo_menu_html' => item_photo_menu($item),
 599                                         'name' => $profile_name,
 600                                         'sparkle' => $sparkle,
 601                                         'lock' => false,
 602                                         'thumb' => DI::baseUrl()->remove($item['author-avatar']),
 603                                         'title' => $title,
 604                                         'body_html' => $body_html,
 605                                         'tags' => $tags['tags'],
 606                                         'hashtags' => $tags['hashtags'],
 607                                         'mentions' => $tags['mentions'],
 608                                         'implicit_mentions' => $tags['implicit_mentions'],
 609                                         'txt_cats' => DI::l10n()->t('Categories:'),
 610                                         'txt_folders' => DI::l10n()->t('Filed under:'),
 611                                         'has_cats' => ((count($categories)) ? 'true' : ''),
 612                                         'has_folders' => ((count($folders)) ? 'true' : ''),
 613                                         'categories' => $categories,
 614                                         'folders' => $folders,
 615                                         'text' => strip_tags($body_html),
 616                                         'localtime' => DateTimeFormat::local($item['created'], 'r'),
 617                                         'ago' => (($item['app']) ? DI::l10n()->t('%s from %s', Temporal::getRelativeDate($item['created']), $item['app']) : Temporal::getRelativeDate($item['created'])),
 618                                         'location_html' => $location_html,
 619                                         'indent' => '',
 620                                         'owner_name' => '',
 621                                         'owner_url' => '',
 622                                         'owner_photo' => DI::baseUrl()->remove($item['owner-avatar']),
 623                                         'plink' => Item::getPlink($item),
 624                                         'edpost' => false,
 625                                         'isstarred' => 'unstarred',
 626                                         'star' => false,
 627                                         'drop' => $drop,
 628                                         'vote' => $likebuttons,
 629                                         'like_html' => '',
 630                                         'dislike_html' => '',
 631                                         'comment_html' => '',
 632                                         'conv' => (($preview) ? '' : ['href'=> 'display/'.$item['guid'], 'title'=> DI::l10n()->t('View in context')]),
 633                                         'previewing' => $previewing,
 634                                         'wait' => DI::l10n()->t('Please wait'),
 635                                         'thread_level' => 1,
 636                                 ];
 637
 638                                 $arr = ['item' => $item, 'output' => $tmp_item];
 639                                 Hook::callAll('display_item', $arr);
 640
 641                                 $threads[$threadsid]['id'] = $item['id'];
 642                                 $threads[$threadsid]['network'] = $item['network'];
 643                                 $threads[$threadsid]['items'] = [$arr['output']];
 644
 645                         }
 646                 } else {
 647                         // Normal View
 648                         $page_template = Renderer::getMarkupTemplate("threaded_conversation.tpl");
 649
 650                         $conv = new Thread($mode, $preview, $writable);
 651
 652                         /*
 653                          * get all the topmost parents
 654                          * this shouldn't be needed, as we should have only them in our array
 655                          * But for now, this array respects the old style, just in case
 656                          */
 657                         foreach ($items as $item) {
 658                                 if (in_array($item['author-id'], $blocklist)) {
 659                                         continue;
 660                                 }
 661
 662                                 // Can we put this after the visibility check?
 663                                 builtin_activity_puller($item, $conv_responses);
 664
 665                                 // Only add what is visible
 666                                 if ($item['network'] === Protocol::MAIL && local_user() != $item['uid']) {
 667                                         continue;
 668                                 }
 669
 670                                 if (!visible_activity($item)) {
 671                                         continue;
 672                                 }
 673
 674                                 /// @todo Check if this call is needed or not
 675                                 $arr = ['item' => $item];
 676                                 Hook::callAll('display_item', $arr);
 677
 678                                 $item['pagedrop'] = $page_dropping;
 679
 680                                 if ($item['gravity'] == GRAVITY_PARENT) {
 681                                         $item_object = new PostObject($item);
 682                                         $conv->addParent($item_object);
 683                                 }
 684                         }
 685
 686                         $threads = $conv->getTemplateData($conv_responses);
 687                         if (!$threads) {
 688                                 Logger::log('[ERROR] conversation : Failed to get template data.', Logger::DEBUG);
 689                                 $threads = [];
 690                         }
 691                 }
 692         }
 693
 694         $o = Renderer::replaceMacros($page_template, [
 695                 '$baseurl' => DI::baseUrl()->get($ssl_state),
 696                 '$return_path' => DI::args()->getQueryString(),
 697                 '$live_update' => $live_update_div,
 698                 '$remove' => DI::l10n()->t('remove'),
 699                 '$mode' => $mode,
 700                 '$update' => $update,
 701                 '$user' => $a->user,
 702                 '$threads' => $threads,
 703                 '$dropping' => ($page_dropping ? DI::l10n()->t('Delete Selected Items') : False),
 704         ]);
 705
 706         return $o;
 707 }
 708
 709 /**
 710  * Fetch all comments from a query. Additionally set the newest resharer as thread owner.
 711  *
 712  * @param mixed   $thread_items Database statement with thread posts
 713  * @param boolean $pinned       Is the item pinned?
 714  * @param array   $activity     Contact data of the resharer
 715  *
 716  * @return array items with parents and comments
 717  */
 718 function conversation_fetch_comments($thread_items, bool $pinned, array $activity) {
 719         $comments = [];
 720
 721         while ($row = Post::fetch($thread_items)) {
 722                 if (!empty($activity)) {
 723                         if (($row['gravity'] == GRAVITY_PARENT)) {
 724                                 $row['post-type'] = Item::PT_ANNOUNCEMENT;
 725                                 $row = array_merge($row, $activity);
 726                                 $contact = Contact::getById($activity['causer-id'], ['url', 'name', 'thumb']);
 727                                 $row['causer-link'] = $contact['url'];
 728                                 $row['causer-avatar'] = $contact['thumb'];
 729                                 $row['causer-name'] = $contact['name'];
 730                         } elseif (($row['gravity'] == GRAVITY_ACTIVITY) && ($row['verb'] == Activity::ANNOUNCE) &&
 731                                 ($row['author-id'] == $activity['causer-id'])) {
 732                                 continue;
 733                         }
 734                 }
 735
 736                 $name = $row['causer-contact-type'] == Contact::TYPE_RELAY ? $row['causer-link'] : $row['causer-name'];
 737
 738                 switch ($row['post-type']) {
 739                         case Item::PT_TO:
 740                                 $row['direction'] = ['direction' => 7, 'title' => DI::l10n()->t('You had been addressed (%s).', 'to')];
 741                                 break;
 742                         case Item::PT_CC:
 743                                 $row['direction'] = ['direction' => 7, 'title' => DI::l10n()->t('You had been addressed (%s).', 'cc')];
 744                                 break;
 745                         case Item::PT_BTO:
 746                                 $row['direction'] = ['direction' => 7, 'title' => DI::l10n()->t('You had been addressed (%s).', 'bto')];
 747                                 break;
 748                         case Item::PT_BCC:
 749                                 $row['direction'] = ['direction' => 7, 'title' => DI::l10n()->t('You had been addressed (%s).', 'bcc')];
 750                                 break;
 751                         case Item::PT_FOLLOWER:
 752                                 $row['direction'] = ['direction' => 6, 'title' => DI::l10n()->t('You are following %s.', $row['author-name'])];
 753                                 break;
 754                         case Item::PT_TAG:
 755                                 $row['direction'] = ['direction' => 4, 'title' => DI::l10n()->t('Tagged')];
 756                                 break;
 757                         case Item::PT_ANNOUNCEMENT:
 758                                 if (!empty($row['causer-id']) && DI::pConfig()->get(local_user(), 'system', 'display_resharer')) {
 759                                         $row['owner-id'] = $row['causer-id'];
 760                                         $row['owner-link'] = $row['causer-link'];
 761                                         $row['owner-avatar'] = $row['causer-avatar'];
 762                                         $row['owner-name'] = $row['causer-name'];
 763                                 }
 764
 765                                 if (($row['gravity'] == GRAVITY_PARENT) && !empty($row['causer-id'])) {
 766                                         $row['reshared'] = DI::l10n()->t('%s reshared this.', '<a href="'. htmlentities(Contact::magicLinkById($row['causer-id'])) .'">' . htmlentities($name) . '</a>');
 767                                 }
 768                                 $row['direction'] = ['direction' => 3, 'title' => (empty($row['causer-id']) ? DI::l10n()->t('Reshared') : DI::l10n()->t('Reshared by %s', $name))];
 769                                 break;
 770                         case Item::PT_COMMENT:
 771                                 $row['direction'] = ['direction' => 5, 'title' => DI::l10n()->t('%s is participating in this thread.', $row['author-name'])];
 772                                 break;
 773                         case Item::PT_STORED:
 774                                 $row['direction'] = ['direction' => 8, 'title' => DI::l10n()->t('Stored')];
 775                                 break;
 776                         case Item::PT_GLOBAL:
 777                                 $row['direction'] = ['direction' => 9, 'title' => DI::l10n()->t('Global')];
 778                                 break;
 779                         case Item::PT_RELAY:
 780                                 $row['direction'] = ['direction' => 10, 'title' => (empty($row['causer-id']) ? DI::l10n()->t('Relayed') : DI::l10n()->t('Relayed by %s.', $name))];
 781                                 break;
 782                         case Item::PT_FETCHED:
 783                                 $row['direction'] = ['direction' => 2, 'title' => (empty($row['causer-id']) ? DI::l10n()->t('Fetched') : DI::l10n()->t('Fetched because of %s', $name))];
 784                                 break;
 785                         }
 786
 787                 if ($row['gravity'] == GRAVITY_PARENT) {
 788                         $row['pinned'] = $pinned;
 789                 }
 790
 791                 $comments[] = $row;
 792         }
 793
 794         DBA::close($thread_items);
 795
 796         return $comments;
 797 }
 798
 799 /**
 800  * Add comments to top level entries that had been fetched before
 801  *
 802  * The system will fetch the comments for the local user whenever possible.
 803  * This behaviour is currently needed to allow commenting on Friendica posts.
 804  *
 805  * @param array $parents Parent items
 806  *
 807  * @param       $block_authors
 808  * @param       $order
 809  * @param       $uid
 810  * @return array items with parents and comments
 811  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 812  */
 813 function conversation_add_children(array $parents, $block_authors, $order, $uid) {
 814         if (count($parents) > 1) {
 815                 $max_comments = DI::config()->get('system', 'max_comments', 100);
 816         } else {
 817                 $max_comments = DI::config()->get('system', 'max_display_comments', 1000);
 818         }
 819
 820         $params = ['order' => ['gravity', 'uid', 'commented' => true]];
 821
 822         if ($max_comments > 0) {
 823                 $params['limit'] = $max_comments;
 824         }
 825
 826         $items = [];
 827
 828         foreach ($parents AS $parent) {
 829                 if (!empty($parent['thr-parent-id']) && !empty($parent['gravity']) && ($parent['gravity'] == GRAVITY_ACTIVITY)) {
 830                         $condition = ["`parent-uri-id` = ? AND `uid` IN (0, ?) AND (`vid` != ? OR `vid` IS NULL)",
 831                                 $parent['thr-parent-id'], $uid, Verb::getID(Activity::FOLLOW)];
 832                         if (!empty($parent['author-id'])) {
 833                                 $activity = ['causer-id' => $parent['author-id']];
 834                                 foreach (['commented', 'received', 'created'] as $orderfields) {
 835                                         if (!empty($parent[$orderfields])) {
 836                                                 $activity[$orderfields] = $parent[$orderfields];
 837                                         }
 838                                 }
 839                         }
 840                 } else {
 841                         $condition = ["`parent-uri-id` = ? AND `uid` IN (0, ?) AND (`vid` != ? OR `vid` IS NULL)",
 842                                 $parent['uri-id'], $uid, Verb::getID(Activity::FOLLOW)];
 843                         $activity = [];
 844                 }
 845                 $items = conversation_fetch_items($parent, $items, $condition, $block_authors, $params, $activity);
 846         }
 847
 848         foreach ($items as $index => $item) {
 849                 if ($item['uid'] == 0) {
 850                         $items[$index]['writable'] = in_array($item['network'], Protocol::FEDERATED);
 851                 }
 852         }
 853
 854         $items = conv_sort($items, $order);
 855
 856         return $items;
 857 }
 858
 859 /**
 860  * Fetch conversation items
 861  *
 862  * @param array   $parent        Parent Item array
 863  * @param array   $items         Item array
 864  * @param array   $condition     SQL condition
 865  * @param boolean $block_authors Don't show posts from contacts that are hidden (used on the community page)
 866  * @param array   $params        SQL parameters
 867  * @param array   $activity      Contact data of the resharer
 868  * @return array
 869  */
 870 function conversation_fetch_items(array $parent, array $items, array $condition, bool $block_authors, array $params, array $activity) {
 871         if ($block_authors) {
 872                 $condition[0] .= " AND NOT `author-hidden`";
 873         }
 874
 875         $thread_items = Post::selectForUser(local_user(), array_merge(Item::DISPLAY_FIELDLIST, ['pinned', 'contact-uid', 'gravity', 'post-type']), $condition, $params);
 876
 877         $comments = conversation_fetch_comments($thread_items, $parent['pinned'] ?? false, $activity);
 878
 879         if (count($comments) != 0) {
 880                 $items = array_merge($items, $comments);
 881         }
 882         return $items;
 883 }
 884
 885 function item_photo_menu($item) {
 886         $sub_link = '';
 887         $poke_link = '';
 888         $contact_url = '';
 889         $pm_url = '';
 890         $status_link = '';
 891         $photos_link = '';
 892         $posts_link = '';
 893         $block_link = '';
 894         $ignore_link = '';
 895
 896         if (local_user() && local_user() == $item['uid'] && $item['gravity'] == GRAVITY_PARENT && !$item['self']) {
 897                 $sub_link = 'javascript:doFollowThread(' . $item['id'] . '); return false;';
 898         }
 899
 900         $author = ['uid' => 0, 'id' => $item['author-id'],
 901                 'network' => $item['author-network'], 'url' => $item['author-link']];
 902         $profile_link = Contact::magicLinkByContact($author, $item['author-link']);
 903         $sparkle = (strpos($profile_link, 'redir/') === 0);
 904
 905         $cid = 0;
 906         $pcid = Contact::getIdForURL($item['author-link'], 0, false);
 907         $network = '';
 908         $rel = 0;
 909         $condition = ['uid' => local_user(), 'nurl' => Strings::normaliseLink($item['author-link'])];
 910         $contact = DBA::selectFirst('contact', ['id', 'network', 'rel'], $condition);
 911         if (DBA::isResult($contact)) {
 912                 $cid = $contact['id'];
 913                 $network = $contact['network'];
 914                 $rel = $contact['rel'];
 915         }
 916
 917         if ($sparkle) {
 918                 $status_link = $profile_link . '/status';
 919                 $photos_link = str_replace('/profile/', '/photos/', $profile_link);
 920                 $profile_link = $profile_link . '/profile';
 921         }
 922
 923         if (!empty($pcid)) {
 924                 $contact_url = 'contact/' . $pcid;
 925                 $posts_link  = $contact_url . '/posts';
 926                 $block_link  = $contact_url . '/block';
 927                 $ignore_link = $contact_url . '/ignore';
 928         }
 929
 930         if ($cid && !$item['self']) {
 931                 $contact_url = 'contact/' . $cid;
 932                 $poke_link   = $contact_url . '/poke';
 933                 $posts_link  = $contact_url . '/posts';
 934
 935                 if (in_array($network, [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA])) {
 936                         $pm_url = 'message/new/' . $cid;
 937                 }
 938         }
 939
 940         if (local_user()) {
 941                 $menu = [
 942                         DI::l10n()->t('Follow Thread') => $sub_link,
 943                         DI::l10n()->t('View Status') => $status_link,
 944                         DI::l10n()->t('View Profile') => $profile_link,
 945                         DI::l10n()->t('View Photos') => $photos_link,
 946                         DI::l10n()->t('Network Posts') => $posts_link,
 947                         DI::l10n()->t('View Contact') => $contact_url,
 948                         DI::l10n()->t('Send PM') => $pm_url,
 949                         DI::l10n()->t('Block') => $block_link,
 950                         DI::l10n()->t('Ignore') => $ignore_link
 951                 ];
 952
 953                 if (!empty($item['language'])) {
 954                         $menu[DI::l10n()->t('Languages')] = 'javascript:alert(\'' . Item::getLanguageMessage($item) . '\');';
 955                 }
 956
 957                 if ($network == Protocol::DFRN) {
 958                         $menu[DI::l10n()->t("Poke")] = $poke_link;
 959                 }
 960
 961                 if ((($cid == 0) || ($rel == Contact::FOLLOWER)) &&
 962                         in_array($item['network'], Protocol::FEDERATED)) {
 963                         $menu[DI::l10n()->t('Connect/Follow')] = 'follow?url=' . urlencode($item['author-link']) . '&auto=1';
 964                 }
 965         } else {
 966                 $menu = [DI::l10n()->t('View Profile') => $item['author-link']];
 967         }
 968
 969         $args = ['item' => $item, 'menu' => $menu];
 970
 971         Hook::callAll('item_photo_menu', $args);
 972
 973         $menu = $args['menu'];
 974
 975         $o = '';
 976         foreach ($menu as $k => $v) {
 977                 if (strpos($v, 'javascript:') === 0) {
 978                         $v = substr($v, 11);
 979                         $o .= '<li role="menuitem"><a onclick="' . $v . '">' . $k . '</a></li>' . PHP_EOL;
 980                 } elseif ($v!='') {
 981                         $o .= '<li role="menuitem"><a href="' . $v . '">' . $k . '</a></li>' . PHP_EOL;
 982                 }
 983         }
 984         return $o;
 985 }
 986
 987 /**
 988  * Checks item to see if it is one of the builtin activities (like/dislike, event attendance, consensus items, etc.)
 989  *
 990  * Increments the count of each matching activity and adds a link to the author as needed.
 991  *
 992  * @param array  $activity
 993  * @param array &$conv_responses (already created with builtin activity structure)
 994  * @return void
 995  * @throws ImagickException
 996  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 997  */
 998 function builtin_activity_puller(array $activity, array &$conv_responses)
 999 {
1000         foreach ($conv_responses as $mode => $v) {
1001                 $sparkle = '';
1002
1003                 switch ($mode) {
1004                         case 'like':
1005                                 $verb = Activity::LIKE;
1006                                 break;
1007                         case 'dislike':
1008                                 $verb = Activity::DISLIKE;
1009                                 break;
1010                         case 'attendyes':
1011                                 $verb = Activity::ATTEND;
1012                                 break;
1013                         case 'attendno':
1014                                 $verb = Activity::ATTENDNO;
1015                                 break;
1016                         case 'attendmaybe':
1017                                 $verb = Activity::ATTENDMAYBE;
1018                                 break;
1019                         case 'announce':
1020                                 $verb = Activity::ANNOUNCE;
1021                                 break;
1022                         default:
1023                                 return;
1024                 }
1025
1026                 if (!empty($activity['verb']) && DI::activity()->match($activity['verb'], $verb) && ($activity['gravity'] != GRAVITY_PARENT)) {
1027                         $author = [
1028                                 'uid' => 0,
1029                                 'id' => $activity['author-id'],
1030                                 'network' => $activity['author-network'],
1031                                 'url' => $activity['author-link']
1032                         ];
1033                         $url = Contact::magicLinkByContact($author);
1034                         if (strpos($url, 'redir/') === 0) {
1035                                 $sparkle = ' class="sparkle" ';
1036                         }
1037
1038                         $link = '<a href="' . $url . '"' . $sparkle . '>' . htmlentities($activity['author-name']) . '</a>';
1039
1040                         if (empty($activity['thr-parent-id'])) {
1041                                 $activity['thr-parent-id'] = $activity['parent-uri-id'];
1042                         }
1043
1044                         // Skip when the causer of the parent is the same than the author of the announce
1045                         if (($verb == Activity::ANNOUNCE) && Post::exists(['uri-id' => $activity['thr-parent-id'],
1046                                 'uid' => $activity['uid'], 'causer-id' => $activity['author-id'], 'gravity' => GRAVITY_PARENT])) {
1047                                 continue;
1048                         }
1049
1050                         if (!isset($conv_responses[$mode][$activity['thr-parent-id']])) {
1051                                 $conv_responses[$mode][$activity['thr-parent-id']] = [
1052                                         'links' => [],
1053                                         'self' => 0,
1054                                 ];
1055                         } elseif (in_array($link, $conv_responses[$mode][$activity['thr-parent-id']]['links'])) {
1056                                 // only list each unique author once
1057                                 continue;
1058                         }
1059
1060                         if (public_contact() == $activity['author-id']) {
1061                                 $conv_responses[$mode][$activity['thr-parent-id']]['self'] = 1;
1062                         }
1063
1064                         $conv_responses[$mode][$activity['thr-parent-id']]['links'][] = $link;
1065
1066                         // there can only be one activity verb per item so if we found anything, we can stop looking
1067                         return;
1068                 }
1069         }
1070 }
1071
1072 /**
1073  * Format the activity text for an item/photo/video
1074  *
1075  * @param array  $links = array of pre-linked names of actors
1076  * @param string $verb  = one of 'like, 'dislike', 'attendyes', 'attendno', 'attendmaybe'
1077  * @param int    $id    = item id
1078  * @return string formatted text
1079  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1080  */
1081 function format_activity(array $links, $verb, $id) {
1082         $o = '';
1083         $expanded = '';
1084         $phrase = '';
1085
1086         $total = count($links);
1087         if ($total == 1) {
1088                 $likers = $links[0];
1089
1090                 // Phrase if there is only one liker. In other cases it will be uses for the expanded
1091                 // list which show all likers
1092                 switch ($verb) {
1093                         case 'like' :
1094                                 $phrase = DI::l10n()->t('%s likes this.', $likers);
1095                                 break;
1096                         case 'dislike' :
1097                                 $phrase = DI::l10n()->t('%s doesn\'t like this.', $likers);
1098                                 break;
1099                         case 'attendyes' :
1100                                 $phrase = DI::l10n()->t('%s attends.', $likers);
1101                                 break;
1102                         case 'attendno' :
1103                                 $phrase = DI::l10n()->t('%s doesn\'t attend.', $likers);
1104                                 break;
1105                         case 'attendmaybe' :
1106                                 $phrase = DI::l10n()->t('%s attends maybe.', $likers);
1107                                 break;
1108                         case 'announce' :
1109                                 $phrase = DI::l10n()->t('%s reshared this.', $likers);
1110                                 break;
1111                 }
1112         } elseif ($total > 1) {
1113                 if ($total < MAX_LIKERS) {
1114                         $likers = implode(', ', array_slice($links, 0, -1));
1115                         $likers .= ' ' . DI::l10n()->t('and') . ' ' . $links[count($links)-1];
1116                 } else  {
1117                         $likers = implode(', ', array_slice($links, 0, MAX_LIKERS - 1));
1118                         $likers .= ' ' . DI::l10n()->t('and %d other people', $total - MAX_LIKERS);
1119                 }
1120
1121                 $spanatts = "class=\"fakelink\" onclick=\"openClose('{$verb}list-$id');\"";
1122
1123                 $explikers = '';
1124                 switch ($verb) {
1125                         case 'like':
1126                                 $phrase = DI::l10n()->t('<span  %1$s>%2$d people</span> like this', $spanatts, $total);
1127                                 $explikers = DI::l10n()->t('%s like this.', $likers);
1128                                 break;
1129                         case 'dislike':
1130                                 $phrase = DI::l10n()->t('<span  %1$s>%2$d people</span> don\'t like this', $spanatts, $total);
1131                                 $explikers = DI::l10n()->t('%s don\'t like this.', $likers);
1132                                 break;
1133                         case 'attendyes':
1134                                 $phrase = DI::l10n()->t('<span  %1$s>%2$d people</span> attend', $spanatts, $total);
1135                                 $explikers = DI::l10n()->t('%s attend.', $likers);
1136                                 break;
1137                         case 'attendno':
1138                                 $phrase = DI::l10n()->t('<span  %1$s>%2$d people</span> don\'t attend', $spanatts, $total);
1139                                 $explikers = DI::l10n()->t('%s don\'t attend.', $likers);
1140                                 break;
1141                         case 'attendmaybe':
1142                                 $phrase = DI::l10n()->t('<span  %1$s>%2$d people</span> attend maybe', $spanatts, $total);
1143                                 $explikers = DI::l10n()->t('%s attend maybe.', $likers);
1144                                 break;
1145                         case 'announce':
1146                                 $phrase = DI::l10n()->t('<span  %1$s>%2$d people</span> reshared this', $spanatts, $total);
1147                                 $explikers = DI::l10n()->t('%s reshared this.', $likers);
1148                                 break;
1149                 }
1150
1151                 $expanded .= "\t" . '<p class="wall-item-' . $verb . '-expanded" id="' . $verb . 'list-' . $id . '" style="display: none;" >' . $explikers . EOL . '</p>';
1152         }
1153
1154         $o .= Renderer::replaceMacros(Renderer::getMarkupTemplate('voting_fakelink.tpl'), [
1155                 '$phrase' => $phrase,
1156                 '$type' => $verb,
1157                 '$id' => $id
1158         ]);
1159         $o .= $expanded;
1160
1161         return $o;
1162 }
1163
1164 function status_editor(App $a, $x, $notes_cid = 0, $popup = false)
1165 {
1166         $o = '';
1167
1168         $geotag = !empty($x['allow_location']) ? Renderer::replaceMacros(Renderer::getMarkupTemplate('jot_geotag.tpl'), []) : '';
1169
1170         $tpl = Renderer::getMarkupTemplate('jot-header.tpl');
1171         DI::page()['htmlhead'] .= Renderer::replaceMacros($tpl, [
1172                 '$newpost'   => 'true',
1173                 '$baseurl'   => DI::baseUrl()->get(true),
1174                 '$geotag'    => $geotag,
1175                 '$nickname'  => $x['nickname'],
1176                 '$ispublic'  => DI::l10n()->t('Visible to <strong>everybody</strong>'),
1177                 '$linkurl'   => DI::l10n()->t('Please enter a image/video/audio/webpage URL:'),
1178                 '$term'      => DI::l10n()->t('Tag term:'),
1179                 '$fileas'    => DI::l10n()->t('Save to Folder:'),
1180                 '$whereareu' => DI::l10n()->t('Where are you right now?'),
1181                 '$delitems'  => DI::l10n()->t("Delete item\x28s\x29?"),
1182                 '$is_mobile' => DI::mode()->isMobile(),
1183         ]);
1184
1185         $jotplugins = '';
1186         Hook::callAll('jot_tool', $jotplugins);
1187
1188         $tpl = Renderer::getMarkupTemplate("jot.tpl");
1189
1190         $o .= Renderer::replaceMacros($tpl, [
1191                 '$new_post' => DI::l10n()->t('New Post'),
1192                 '$return_path'  => DI::args()->getQueryString(),
1193                 '$action'       => 'item',
1194                 '$share'        => ($x['button'] ?? '') ?: DI::l10n()->t('Share'),
1195                 '$loading'      => DI::l10n()->t('Loading...'),
1196                 '$upload'       => DI::l10n()->t('Upload photo'),
1197                 '$shortupload'  => DI::l10n()->t('upload photo'),
1198                 '$attach'       => DI::l10n()->t('Attach file'),
1199                 '$shortattach'  => DI::l10n()->t('attach file'),
1200                 '$edbold'       => DI::l10n()->t('Bold'),
1201                 '$editalic'     => DI::l10n()->t('Italic'),
1202                 '$eduline'      => DI::l10n()->t('Underline'),
1203                 '$edquote'      => DI::l10n()->t('Quote'),
1204                 '$edcode'       => DI::l10n()->t('Code'),
1205                 '$edimg'        => DI::l10n()->t('Image'),
1206                 '$edurl'        => DI::l10n()->t('Link'),
1207                 '$edattach'     => DI::l10n()->t('Link or Media'),
1208                 '$setloc'       => DI::l10n()->t('Set your location'),
1209                 '$shortsetloc'  => DI::l10n()->t('set location'),
1210                 '$noloc'        => DI::l10n()->t('Clear browser location'),
1211                 '$shortnoloc'   => DI::l10n()->t('clear location'),
1212                 '$title'        => $x['title'] ?? '',
1213                 '$placeholdertitle' => DI::l10n()->t('Set title'),
1214                 '$category'     => $x['category'] ?? '',
1215                 '$placeholdercategory' => Feature::isEnabled(local_user(), 'categories') ? DI::l10n()->t("Categories \x28comma-separated list\x29") : '',
1216                 '$wait'         => DI::l10n()->t('Please wait'),
1217                 '$permset'      => DI::l10n()->t('Permission settings'),
1218                 '$shortpermset' => DI::l10n()->t('Permissions'),
1219                 '$wall'         => $notes_cid ? 0 : 1,
1220                 '$posttype'     => $notes_cid ? Item::PT_PERSONAL_NOTE : Item::PT_ARTICLE,
1221                 '$content'      => $x['content'] ?? '',
1222                 '$post_id'      => $x['post_id'] ?? '',
1223                 '$baseurl'      => DI::baseUrl()->get(true),
1224                 '$defloc'       => $x['default_location'],
1225                 '$visitor'      => $x['visitor'],
1226                 '$pvisit'       => $notes_cid ? 'none' : $x['visitor'],
1227                 '$public'       => DI::l10n()->t('Public post'),
1228                 '$lockstate'    => $x['lockstate'],
1229                 '$bang'         => $x['bang'],
1230                 '$profile_uid'  => $x['profile_uid'],
1231                 '$preview'      => DI::l10n()->t('Preview'),
1232                 '$jotplugins'   => $jotplugins,
1233                 '$notes_cid'    => $notes_cid,
1234                 '$sourceapp'    => DI::l10n()->t($a->sourcename),
1235                 '$cancel'       => DI::l10n()->t('Cancel'),
1236                 '$rand_num'     => Crypto::randomDigits(12),
1237
1238                 // ACL permissions box
1239                 '$acl'           => $x['acl'],
1240
1241                 //jot nav tab (used in some themes)
1242                 '$message' => DI::l10n()->t('Message'),
1243                 '$browser' => DI::l10n()->t('Browser'),
1244
1245                 '$compose_link_title' => DI::l10n()->t('Open Compose page'),
1246         ]);
1247
1248
1249         if ($popup == true) {
1250                 $o = '<div id="jot-popup" style="display: none;">' . $o . '</div>';
1251         }
1252
1253         return $o;
1254 }
1255
1256 /**
1257  * Plucks the children of the given parent from a given item list.
1258  *
1259  * @param array $item_list
1260  * @param array $parent
1261  * @param bool  $recursive
1262  * @return array
1263  */
1264 function get_item_children(array &$item_list, array $parent, $recursive = true)
1265 {
1266         $children = [];
1267         foreach ($item_list as $i => $item) {
1268                 if ($item['gravity'] != GRAVITY_PARENT) {
1269                         if ($recursive) {
1270                                 // Fallback to parent-uri if thr-parent is not set
1271                                 $thr_parent = $item['thr-parent-id'];
1272                                 if ($thr_parent == '') {
1273                                         $thr_parent = $item['parent-uri-id'];
1274                                 }
1275
1276                                 if ($thr_parent == $parent['uri-id']) {
1277                                         $item['children'] = get_item_children($item_list, $item);
1278                                         $children[] = $item;
1279                                         unset($item_list[$i]);
1280                                 }
1281                         } elseif ($item['parent-uri-id'] == $parent['uri-id']) {
1282                                 $children[] = $item;
1283                                 unset($item_list[$i]);
1284                         }
1285                 }
1286         }
1287         return $children;
1288 }
1289
1290 /**
1291  * Recursively sorts a tree-like item array
1292  *
1293  * @param array $items
1294  * @return array
1295  */
1296 function sort_item_children(array $items)
1297 {
1298         $result = $items;
1299         usort($result, 'sort_thr_received_rev');
1300         foreach ($result as $k => $i) {
1301                 if (isset($result[$k]['children'])) {
1302                         $result[$k]['children'] = sort_item_children($result[$k]['children']);
1303                 }
1304         }
1305         return $result;
1306 }
1307
1308 /**
1309  * Recursively add all children items at the top level of a list
1310  *
1311  * @param array $children List of items to append
1312  * @param array $item_list
1313  */
1314 function add_children_to_list(array $children, array &$item_list)
1315 {
1316         foreach ($children as $child) {
1317                 $item_list[] = $child;
1318                 if (isset($child['children'])) {
1319                         add_children_to_list($child['children'], $item_list);
1320                 }
1321         }
1322 }
1323
1324 /**
1325  * Selectively flattens a tree-like item structure to prevent threading stairs
1326  *
1327  * This recursive function takes the item tree structure created by conv_sort() and
1328  * flatten the extraneous depth levels when people reply sequentially, removing the
1329  * stairs effect in threaded conversations limiting the available content width.
1330  *
1331  * The basic principle is the following: if a post item has only one reply and is
1332  * the last reply of its parent, then the reply is moved to the parent.
1333  *
1334  * This process is rendered somewhat more complicated because items can be either
1335  * replies or likes, and these don't factor at all in the reply count/last reply.
1336  *
1337  * @param array $parent A tree-like array of items
1338  * @return array
1339  */
1340 function smart_flatten_conversation(array $parent)
1341 {
1342         if (!isset($parent['children']) || count($parent['children']) == 0) {
1343                 return $parent;
1344         }
1345
1346         // We use a for loop to ensure we process the newly-moved items
1347         for ($i = 0; $i < count($parent['children']); $i++) {
1348                 $child = $parent['children'][$i];
1349
1350                 if (isset($child['children']) && count($child['children'])) {
1351                         // This helps counting only the regular posts
1352                         $count_post_closure = function($var) {
1353                                 return $var['verb'] === Activity::POST;
1354                         };
1355
1356                         $child_post_count = count(array_filter($child['children'], $count_post_closure));
1357
1358                         $remaining_post_count = count(array_filter(array_slice($parent['children'], $i), $count_post_closure));
1359
1360                         // If there's only one child's children post and this is the last child post
1361                         if ($child_post_count == 1 && $remaining_post_count == 1) {
1362
1363                                 // Searches the post item in the children
1364                                 $j = 0;
1365                                 while($child['children'][$j]['verb'] !== Activity::POST && $j < count($child['children'])) {
1366                                         $j ++;
1367                                 }
1368
1369                                 $moved_item = $child['children'][$j];
1370                                 unset($parent['children'][$i]['children'][$j]);
1371                                 $parent['children'][] = $moved_item;
1372                         } else {
1373                                 $parent['children'][$i] = smart_flatten_conversation($child);
1374                         }
1375                 }
1376         }
1377
1378         return $parent;
1379 }
1380
1381
1382 /**
1383  * Expands a flat list of items into corresponding tree-like conversation structures.
1384  *
1385  * sort the top-level posts either on "received" or "commented", and finally
1386  * append all the items at the top level (???)
1387  *
1388  * @param array  $item_list A list of items belonging to one or more conversations
1389  * @param string $order     Either on "received" or "commented"
1390  * @return array
1391  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1392  */
1393 function conv_sort(array $item_list, $order)
1394 {
1395         $parents = [];
1396
1397         if (!(is_array($item_list) && count($item_list))) {
1398                 return $parents;
1399         }
1400
1401         $blocklist = conv_get_blocklist();
1402
1403         $item_array = [];
1404
1405         // Dedupes the item list on the uri to prevent infinite loops
1406         foreach ($item_list as $item) {
1407                 if (in_array($item['author-id'], $blocklist)) {
1408                         continue;
1409                 }
1410
1411                 $item_array[$item['uri-id']] = $item;
1412         }
1413
1414         // Extract the top level items
1415         foreach ($item_array as $item) {
1416                 if ($item['gravity'] == GRAVITY_PARENT) {
1417                         $parents[] = $item;
1418                 }
1419         }
1420
1421         if (stristr($order, 'pinned_received')) {
1422                 usort($parents, 'sort_thr_pinned_received');
1423         } elseif (stristr($order, 'received')) {
1424                 usort($parents, 'sort_thr_received');
1425         } elseif (stristr($order, 'commented')) {
1426                 usort($parents, 'sort_thr_commented');
1427         }
1428
1429         /*
1430          * Plucks children from the item_array, second pass collects eventual orphan
1431          * items and add them as children of their top-level post.
1432          */
1433         foreach ($parents as $i => $parent) {
1434                 $parents[$i]['children'] =
1435                         array_merge(get_item_children($item_array, $parent, true),
1436                                 get_item_children($item_array, $parent, false));
1437         }
1438
1439         foreach ($parents as $i => $parent) {
1440                 $parents[$i]['children'] = sort_item_children($parents[$i]['children']);
1441         }
1442
1443         if (!DI::pConfig()->get(local_user(), 'system', 'no_smart_threading', 0)) {
1444                 foreach ($parents as $i => $parent) {
1445                         $parents[$i] = smart_flatten_conversation($parent);
1446                 }
1447         }
1448
1449         /// @TODO: Stop recusrsively adding all children back to the top level (!!!)
1450         /// However, this apparently ensures responses (likes, attendance) display (?!)
1451         foreach ($parents as $parent) {
1452                 if (count($parent['children'])) {
1453                         add_children_to_list($parent['children'], $parents);
1454                 }
1455         }
1456
1457         return $parents;
1458 }
1459
1460 /**
1461  * usort() callback to sort item arrays by pinned and the received key
1462  *
1463  * @param array $a
1464  * @param array $b
1465  * @return int
1466  */
1467 function sort_thr_pinned_received(array $a, array $b)
1468 {
1469         if ($b['pinned'] && !$a['pinned']) {
1470                 return 1;
1471         } elseif (!$b['pinned'] && $a['pinned']) {
1472                 return -1;
1473         }
1474
1475         return strcmp($b['received'], $a['received']);
1476 }
1477
1478 /**
1479  * usort() callback to sort item arrays by the received key
1480  *
1481  * @param array $a
1482  * @param array $b
1483  * @return int
1484  */
1485 function sort_thr_received(array $a, array $b)
1486 {
1487         return strcmp($b['received'], $a['received']);
1488 }
1489
1490 /**
1491  * usort() callback to reverse sort item arrays by the received key
1492  *
1493  * @param array $a
1494  * @param array $b
1495  * @return int
1496  */
1497 function sort_thr_received_rev(array $a, array $b)
1498 {
1499         return strcmp($a['received'], $b['received']);
1500 }
1501
1502 /**
1503  * usort() callback to sort item arrays by the commented key
1504  *
1505  * @param array $a
1506  * @param array $b
1507  * @return int
1508  */
1509 function sort_thr_commented(array $a, array $b)
1510 {
1511         return strcmp($b['commented'], $a['commented']);
1512 }