include/conversation.php

   1 <?php
   2 /**
   3  * @file include/conversation.php
   4  */
   5
   6 use Friendica\App;
   7 use Friendica\BaseObject;
   8 use Friendica\Content\ContactSelector;
   9 use Friendica\Content\Feature;
  10 use Friendica\Content\Item as ContentItem;
  11 use Friendica\Content\Pager;
  12 use Friendica\Content\Text\BBCode;
  13 use Friendica\Core\Config;
  14 use Friendica\Core\Hook;
  15 use Friendica\Core\L10n;
  16 use Friendica\Core\Logger;
  17 use Friendica\Core\PConfig;
  18 use Friendica\Core\Protocol;
  19 use Friendica\Core\Renderer;
  20 use Friendica\Core\Session;
  21 use Friendica\Core\System;
  22 use Friendica\Database\DBA;
  23 use Friendica\Model\Contact;
  24 use Friendica\Model\Item;
  25 use Friendica\Model\Profile;
  26 use Friendica\Model\Term;
  27 use Friendica\Object\Post;
  28 use Friendica\Object\Thread;
  29 use Friendica\Protocol\Activity;
  30 use Friendica\Util\Crypto;
  31 use Friendica\Util\DateTimeFormat;
  32 use Friendica\Util\Proxy as ProxyUtils;
  33 use Friendica\Util\Strings;
  34 use Friendica\Util\Temporal;
  35 use Friendica\Util\XML;
  36
  37 function item_extract_images($body) {
  38
  39         $saved_image = [];
  40         $orig_body = $body;
  41         $new_body = '';
  42
  43         $cnt = 0;
  44         $img_start = strpos($orig_body, '[img');
  45         $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
  46         $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
  47         while (($img_st_close !== false) && ($img_end !== false)) {
  48
  49                 $img_st_close++; // make it point to AFTER the closing bracket
  50                 $img_end += $img_start;
  51
  52                 if (!strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
  53                         // This is an embedded image
  54
  55                         $saved_image[$cnt] = substr($orig_body, $img_start + $img_st_close, $img_end - ($img_start + $img_st_close));
  56                         $new_body = $new_body . substr($orig_body, 0, $img_start) . '[!#saved_image' . $cnt . '#!]';
  57
  58                         $cnt++;
  59                 } else {
  60                         $new_body = $new_body . substr($orig_body, 0, $img_end + strlen('[/img]'));
  61                 }
  62
  63                 $orig_body = substr($orig_body, $img_end + strlen('[/img]'));
  64
  65                 if ($orig_body === false) {
  66                         // in case the body ends on a closing image tag
  67                         $orig_body = '';
  68                 }
  69
  70                 $img_start = strpos($orig_body, '[img');
  71                 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
  72                 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
  73         }
  74
  75         $new_body = $new_body . $orig_body;
  76
  77         return ['body' => $new_body, 'images' => $saved_image];
  78 }
  79
  80 function item_redir_and_replace_images($body, $images, $cid) {
  81
  82         $origbody = $body;
  83         $newbody = '';
  84
  85         $cnt = 1;
  86         $pos = BBCode::getTagPosition($origbody, 'url', 0);
  87         while ($pos !== false && $cnt < 1000) {
  88
  89                 $search = '/\[url\=(.*?)\]\[!#saved_image([0-9]*)#!\]\[\/url\]' . '/is';
  90                 $replace = '[url=' . System::baseUrl() . '/redir/' . $cid
  91                                    . '?f=1&url=' . '$1' . '][!#saved_image' . '$2' .'#!][/url]';
  92
  93                 $newbody .= substr($origbody, 0, $pos['start']['open']);
  94                 $subject = substr($origbody, $pos['start']['open'], $pos['end']['close'] - $pos['start']['open']);
  95                 $origbody = substr($origbody, $pos['end']['close']);
  96                 if ($origbody === false) {
  97                         $origbody = '';
  98                 }
  99
 100                 $subject = preg_replace($search, $replace, $subject);
 101                 $newbody .= $subject;
 102
 103                 $cnt++;
 104                 // Isn't this supposed to use $cnt value for $occurrences? - @MrPetovan
 105                 $pos = BBCode::getTagPosition($origbody, 'url', 0);
 106         }
 107         $newbody .= $origbody;
 108
 109         $cnt = 0;
 110         foreach ($images as $image) {
 111                 /*
 112                  * We're depending on the property of 'foreach' (specified on the PHP website) that
 113                  * it loops over the array starting from the first element and going sequentially
 114                  * to the last element.
 115                  */
 116                 $newbody = str_replace('[!#saved_image' . $cnt . '#!]', '[img]' . $image . '[/img]', $newbody);
 117                 $cnt++;
 118         }
 119         return $newbody;
 120 }
 121
 122 /**
 123  * Render actions localized
 124  *
 125  * @param $item
 126  * @throws ImagickException
 127  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 128  */
 129 function localize_item(&$item)
 130 {
 131         $extracted = item_extract_images($item['body']);
 132         if ($extracted['images']) {
 133                 $item['body'] = item_redir_and_replace_images($extracted['body'], $extracted['images'], $item['contact-id']);
 134         }
 135
 136         /*
 137         heluecht 2018-06-19: from my point of view this whole code part is useless.
 138         It just renders the body message of technical posts (Like, dislike, ...).
 139         But: The body isn't visible at all. So we do this stuff just because we can.
 140         Even if these messages were visible, this would only mean that something went wrong.
 141         During the further steps of the database restructuring I would like to address this issue.
 142         */
 143
 144         /** @var Activity $activity */
 145         $activity = BaseObject::getClass(Activity::class);
 146
 147         $xmlhead = "<" . "?xml version='1.0' encoding='UTF-8' ?" . ">";
 148         if ($activity->match($item['verb'], Activity::LIKE)
 149                 || $activity->match($item['verb'], Activity::DISLIKE)
 150                 || $activity->match($item['verb'], Activity::ATTEND)
 151                 || $activity->match($item['verb'], Activity::ATTENDNO)
 152                 || $activity->match($item['verb'], Activity::ATTENDMAYBE)) {
 153
 154                 $fields = ['author-link', 'author-name', 'verb', 'object-type', 'resource-id', 'body', 'plink'];
 155                 $obj = Item::selectFirst($fields, ['uri' => $item['parent-uri']]);
 156                 if (!DBA::isResult($obj)) {
 157                         return;
 158                 }
 159
 160                 $author  = '[url=' . $item['author-link'] . ']' . $item['author-name'] . '[/url]';
 161                 $objauthor =  '[url=' . $obj['author-link'] . ']' . $obj['author-name'] . '[/url]';
 162
 163                 switch ($obj['verb']) {
 164                         case Activity::POST:
 165                                 switch ($obj['object-type']) {
 166                                         case Activity\ObjectType::EVENT:
 167                                                 $post_type = L10n::t('event');
 168                                                 break;
 169                                         default:
 170                                                 $post_type = L10n::t('status');
 171                                 }
 172                                 break;
 173                         default:
 174                                 if ($obj['resource-id']) {
 175                                         $post_type = L10n::t('photo');
 176                                         $m = [];
 177                                         preg_match("/\[url=([^]]*)\]/", $obj['body'], $m);
 178                                         $rr['plink'] = $m[1];
 179                                 } else {
 180                                         $post_type = L10n::t('status');
 181                                 }
 182                 }
 183
 184                 $plink = '[url=' . $obj['plink'] . ']' . $post_type . '[/url]';
 185
 186                 $bodyverb = '';
 187                 if ($activity->match($item['verb'], Activity::LIKE)) {
 188                         $bodyverb = L10n::t('%1$s likes %2$s\'s %3$s');
 189                 } elseif ($activity->match($item['verb'], Activity::DISLIKE)) {
 190                         $bodyverb = L10n::t('%1$s doesn\'t like %2$s\'s %3$s');
 191                 } elseif ($activity->match($item['verb'], Activity::ATTEND)) {
 192                         $bodyverb = L10n::t('%1$s attends %2$s\'s %3$s');
 193                 } elseif ($activity->match($item['verb'], Activity::ATTENDNO)) {
 194                         $bodyverb = L10n::t('%1$s doesn\'t attend %2$s\'s %3$s');
 195                 } elseif ($activity->match($item['verb'], Activity::ATTENDMAYBE)) {
 196                         $bodyverb = L10n::t('%1$s attends maybe %2$s\'s %3$s');
 197                 }
 198
 199                 $item['body'] = sprintf($bodyverb, $author, $objauthor, $plink);
 200         }
 201
 202         if ($activity->match($item['verb'], Activity::FRIEND)) {
 203
 204                 if ($item['object-type']=="" || $item['object-type']!== Activity\ObjectType::PERSON) return;
 205
 206                 $Aname = $item['author-name'];
 207                 $Alink = $item['author-link'];
 208
 209                 $xmlhead="<"."?xml version='1.0' encoding='UTF-8' ?".">";
 210
 211                 $obj = XML::parseString($xmlhead.$item['object']);
 212                 $links = XML::parseString($xmlhead."<links>".XML::unescape($obj->link)."</links>");
 213
 214                 $Bname = $obj->title;
 215                 $Blink = "";
 216                 $Bphoto = "";
 217                 foreach ($links->link as $l) {
 218                         $atts = $l->attributes();
 219                         switch ($atts['rel']) {
 220                                 case "alternate": $Blink = $atts['href']; break;
 221                                 case "photo": $Bphoto = $atts['href']; break;
 222                         }
 223                 }
 224
 225                 $A = '[url=' . Contact::magicLink($Alink) . ']' . $Aname . '[/url]';
 226                 $B = '[url=' . Contact::magicLink($Blink) . ']' . $Bname . '[/url]';
 227                 if ($Bphoto != "") {
 228                         $Bphoto = '[url=' . Contact::magicLink($Blink) . '][img]' . $Bphoto . '[/img][/url]';
 229                 }
 230
 231                 $item['body'] = L10n::t('%1$s is now friends with %2$s', $A, $B)."\n\n\n".$Bphoto;
 232
 233         }
 234         if (stristr($item['verb'], Activity::POKE)) {
 235                 $verb = urldecode(substr($item['verb'],strpos($item['verb'],'#')+1));
 236                 if (!$verb) {
 237                         return;
 238                 }
 239                 if ($item['object-type']=="" || $item['object-type']!== Activity\ObjectType::PERSON) {
 240                         return;
 241                 }
 242
 243                 $Aname = $item['author-name'];
 244                 $Alink = $item['author-link'];
 245
 246                 $xmlhead = "<" . "?xml version='1.0' encoding='UTF-8' ?" . ">";
 247
 248                 $obj = XML::parseString($xmlhead.$item['object']);
 249
 250                 $Bname = $obj->title;
 251                 $Blink = $obj->id;
 252                 $Bphoto = "";
 253
 254                 foreach ($obj->link as $l) {
 255                         $atts = $l->attributes();
 256                         switch ($atts['rel']) {
 257                                 case "alternate": $Blink = $atts['href'];
 258                                 case "photo": $Bphoto = $atts['href'];
 259                         }
 260                 }
 261
 262                 $A = '[url=' . Contact::magicLink($Alink) . ']' . $Aname . '[/url]';
 263                 $B = '[url=' . Contact::magicLink($Blink) . ']' . $Bname . '[/url]';
 264                 if ($Bphoto != "") {
 265                         $Bphoto = '[url=' . Contact::magicLink($Blink) . '][img=80x80]' . $Bphoto . '[/img][/url]';
 266                 }
 267
 268                 /*
 269                  * we can't have a translation string with three positions but no distinguishable text
 270                  * So here is the translate string.
 271                  */
 272                 $txt = L10n::t('%1$s poked %2$s');
 273
 274                 // now translate the verb
 275                 $poked_t = trim(sprintf($txt, "", ""));
 276                 $txt = str_replace($poked_t, L10n::t($verb), $txt);
 277
 278                 // then do the sprintf on the translation string
 279
 280                 $item['body'] = sprintf($txt, $A, $B). "\n\n\n" . $Bphoto;
 281
 282         }
 283
 284         if ($activity->match($item['verb'],  Activity::TAG)) {
 285                 $fields = ['author-id', 'author-link', 'author-name', 'author-network',
 286                         'verb', 'object-type', 'resource-id', 'body', 'plink'];
 287                 $obj = Item::selectFirst($fields, ['uri' => $item['parent-uri']]);
 288                 if (!DBA::isResult($obj)) {
 289                         return;
 290                 }
 291
 292                 $author_arr = ['uid' => 0, 'id' => $item['author-id'],
 293                         'network' => $item['author-network'], 'url' => $item['author-link']];
 294                 $author  = '[url=' . Contact::magicLinkByContact($author_arr) . ']' . $item['author-name'] . '[/url]';
 295
 296                 $author_arr = ['uid' => 0, 'id' => $obj['author-id'],
 297                         'network' => $obj['author-network'], 'url' => $obj['author-link']];
 298                 $objauthor  = '[url=' . Contact::magicLinkByContact($author_arr) . ']' . $obj['author-name'] . '[/url]';
 299
 300                 switch ($obj['verb']) {
 301                         case Activity::POST:
 302                                 switch ($obj['object-type']) {
 303                                         case Activity\ObjectType::EVENT:
 304                                                 $post_type = L10n::t('event');
 305                                                 break;
 306                                         default:
 307                                                 $post_type = L10n::t('status');
 308                                 }
 309                                 break;
 310                         default:
 311                                 if ($obj['resource-id']) {
 312                                         $post_type = L10n::t('photo');
 313                                         $m=[]; preg_match("/\[url=([^]]*)\]/", $obj['body'], $m);
 314                                         $rr['plink'] = $m[1];
 315                                 } else {
 316                                         $post_type = L10n::t('status');
 317                                 }
 318                                 // Let's break everthing ... ;-)
 319                                 break;
 320                 }
 321                 $plink = '[url=' . $obj['plink'] . ']' . $post_type . '[/url]';
 322
 323                 $parsedobj = XML::parseString($xmlhead.$item['object']);
 324
 325                 $tag = sprintf('#[url=%s]%s[/url]', $parsedobj->id, $parsedobj->content);
 326                 $item['body'] = L10n::t('%1$s tagged %2$s\'s %3$s with %4$s', $author, $objauthor, $plink, $tag);
 327         }
 328
 329         if ($activity->match($item['verb'], Activity::FAVORITE)) {
 330                 if ($item['object-type'] == "") {
 331                         return;
 332                 }
 333
 334                 $Aname = $item['author-name'];
 335                 $Alink = $item['author-link'];
 336
 337                 $xmlhead = "<" . "?xml version='1.0' encoding='UTF-8' ?" . ">";
 338
 339                 $obj = XML::parseString($xmlhead.$item['object']);
 340                 if (strlen($obj->id)) {
 341                         $fields = ['author-link', 'author-name', 'plink'];
 342                         $target = Item::selectFirst($fields, ['uri' => $obj->id, 'uid' => $item['uid']]);
 343                         if (DBA::isResult($target) && $target['plink']) {
 344                                 $Bname = $target['author-name'];
 345                                 $Blink = $target['author-link'];
 346                                 $A = '[url=' . Contact::magicLink($Alink) . ']' . $Aname . '[/url]';
 347                                 $B = '[url=' . Contact::magicLink($Blink) . ']' . $Bname . '[/url]';
 348                                 $P = '[url=' . $target['plink'] . ']' . L10n::t('post/item') . '[/url]';
 349                                 $item['body'] = L10n::t('%1$s marked %2$s\'s %3$s as favorite', $A, $B, $P)."\n";
 350                         }
 351                 }
 352         }
 353         $matches = null;
 354         if (preg_match_all('/@\[url=(.*?)\]/is', $item['body'], $matches, PREG_SET_ORDER)) {
 355                 foreach ($matches as $mtch) {
 356                         if (!strpos($mtch[1], 'zrl=')) {
 357                                 $item['body'] = str_replace($mtch[0], '@[url=' . Contact::magicLink($mtch[1]) . ']', $item['body']);
 358                         }
 359                 }
 360         }
 361
 362         // add zrl's to public images
 363         $photo_pattern = "/\[url=(.*?)\/photos\/(.*?)\/image\/(.*?)\]\[img(.*?)\]h(.*?)\[\/img\]\[\/url\]/is";
 364         if (preg_match($photo_pattern, $item['body'])) {
 365                 $photo_replace = '[url=' . Profile::zrl('$1' . '/photos/' . '$2' . '/image/' . '$3' ,true) . '][img' . '$4' . ']h' . '$5'  . '[/img][/url]';
 366                 $item['body'] = BBCode::pregReplaceInTag($photo_pattern, $photo_replace, 'url', $item['body']);
 367         }
 368
 369         // add sparkle links to appropriate permalinks
 370         $author = ['uid' => 0, 'id' => $item['author-id'],
 371                 'network' => $item['author-network'], 'url' => $item['author-link']];
 372
 373         // Only create a redirection to a magic link when logged in
 374         if (!empty($item['plink']) && Session::isAuthenticated()) {
 375                 $item['plink'] = Contact::magicLinkByContact($author, $item['plink']);
 376         }
 377 }
 378
 379 /**
 380  * Count the total of comments on this item and its desendants
 381  * @TODO proper type-hint + doc-tag
 382  * @param $item
 383  * @return int
 384  */
 385 function count_descendants($item) {
 386         $total = count($item['children']);
 387
 388         if ($total > 0) {
 389                 foreach ($item['children'] as $child) {
 390                         if (!visible_activity($child)) {
 391                                 $total --;
 392                         }
 393                         $total += count_descendants($child);
 394                 }
 395         }
 396
 397         return $total;
 398 }
 399
 400 function visible_activity($item) {
 401
 402         /** @var Activity $activity */
 403         $activity = BaseObject::getClass(Activity::class);
 404
 405         if ($activity->isHidden($item['verb'])) {
 406                 return false;
 407         }
 408
 409         // @TODO below if() block can be rewritten to a single line: $isVisible = allConditionsHere;
 410         if ($activity->match($item['verb'], Activity::FOLLOW) &&
 411             $item['object-type'] === Activity\ObjectType::NOTE &&
 412             empty($item['self']) &&
 413             $item['uid'] == local_user()) {
 414                 return false;
 415         }
 416
 417         return true;
 418 }
 419
 420 function conv_get_blocklist()
 421 {
 422         if (!local_user()) {
 423                 return [];
 424         }
 425
 426         $str_blocked = PConfig::get(local_user(), 'system', 'blocked');
 427         if (empty($str_blocked)) {
 428                 return [];
 429         }
 430
 431         $blocklist = [];
 432
 433         foreach (explode(',', $str_blocked) as $entry) {
 434                 // The 4th parameter guarantees that there always will be a public contact entry
 435                 $cid = Contact::getIdForURL(trim($entry), 0, true, ['url' => trim($entry)]);
 436                 if (!empty($cid)) {
 437                         $blocklist[] = $cid;
 438                 }
 439         }
 440
 441         return $blocklist;
 442 }
 443
 444 /**
 445  * "Render" a conversation or list of items for HTML display.
 446  * There are two major forms of display:
 447  *      - Sequential or unthreaded ("New Item View" or search results)
 448  *      - conversation view
 449  * The $mode parameter decides between the various renderings and also
 450  * figures out how to determine page owner and other contextual items
 451  * that are based on unique features of the calling module.
 452  * @param App    $a
 453  * @param array  $items
 454  * @param Pager  $pager
 455  * @param        $mode
 456  * @param        $update
 457  * @param bool   $preview
 458  * @param string $order
 459  * @param int    $uid
 460  * @return string
 461  * @throws ImagickException
 462  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 463  */
 464 function conversation(App $a, array $items, Pager $pager, $mode, $update, $preview = false, $order = 'commented', $uid = 0)
 465 {
 466         $ssl_state = (local_user() ? true : false);
 467
 468         $profile_owner = 0;
 469         $live_update_div = '';
 470
 471         $blocklist = conv_get_blocklist();
 472
 473         $previewing = (($preview) ? ' preview ' : '');
 474
 475         if ($mode === 'network') {
 476                 $items = conversation_add_children($items, false, $order, $uid);
 477                 $profile_owner = local_user();
 478                 if (!$update) {
 479                         /*
 480                          * The special div is needed for liveUpdate to kick in for this page.
 481                          * We only launch liveUpdate if you aren't filtering in some incompatible
 482                          * way and also you aren't writing a comment (discovered in javascript).
 483                          */
 484                         $live_update_div = '<div id="live-network"></div>' . "\r\n"
 485                                 . "<script> var profile_uid = " . $_SESSION['uid']
 486                                 . "; var netargs = '" . substr($a->cmd, 8)
 487                                 . '?f='
 488                                 . (!empty($_GET['cid'])    ? '&cid='    . rawurlencode($_GET['cid'])    : '')
 489                                 . (!empty($_GET['search']) ? '&search=' . rawurlencode($_GET['search']) : '')
 490                                 . (!empty($_GET['star'])   ? '&star='   . rawurlencode($_GET['star'])   : '')
 491                                 . (!empty($_GET['order'])  ? '&order='  . rawurlencode($_GET['order'])  : '')
 492                                 . (!empty($_GET['bmark'])  ? '&bmark='  . rawurlencode($_GET['bmark'])  : '')
 493                                 . (!empty($_GET['liked'])  ? '&liked='  . rawurlencode($_GET['liked'])  : '')
 494                                 . (!empty($_GET['conv'])   ? '&conv='   . rawurlencode($_GET['conv'])   : '')
 495                                 . (!empty($_GET['nets'])   ? '&nets='   . rawurlencode($_GET['nets'])   : '')
 496                                 . (!empty($_GET['cmin'])   ? '&cmin='   . rawurlencode($_GET['cmin'])   : '')
 497                                 . (!empty($_GET['cmax'])   ? '&cmax='   . rawurlencode($_GET['cmax'])   : '')
 498                                 . (!empty($_GET['file'])   ? '&file='   . rawurlencode($_GET['file'])   : '')
 499
 500                                 . "'; var profile_page = " . $pager->getPage() . "; </script>\r\n";
 501                 }
 502         } elseif ($mode === 'profile') {
 503                 $items = conversation_add_children($items, false, $order, $uid);
 504                 $profile_owner = $a->profile['profile_uid'];
 505
 506                 if (!$update) {
 507                         $tab = 'posts';
 508                         if (!empty($_GET['tab'])) {
 509                                 $tab = Strings::escapeTags(trim($_GET['tab']));
 510                         }
 511                         if ($tab === 'posts') {
 512                                 /*
 513                                  * This is ugly, but we can't pass the profile_uid through the session to the ajax updater,
 514                                  * because browser prefetching might change it on us. We have to deliver it with the page.
 515                                  */
 516
 517                                 $live_update_div = '<div id="live-profile"></div>' . "\r\n"
 518                                         . "<script> var profile_uid = " . $a->profile['profile_uid']
 519                                         . "; var netargs = '?f='; var profile_page = " . $pager->getPage() . "; </script>\r\n";
 520                         }
 521                 }
 522         } elseif ($mode === 'notes') {
 523                 $items = conversation_add_children($items, false, $order, local_user());
 524                 $profile_owner = local_user();
 525
 526                 if (!$update) {
 527                         $live_update_div = '<div id="live-notes"></div>' . "\r\n"
 528                                 . "<script> var profile_uid = " . local_user()
 529                                 . "; var netargs = '/?f='; var profile_page = " . $pager->getPage() . "; </script>\r\n";
 530                 }
 531         } elseif ($mode === 'display') {
 532                 $items = conversation_add_children($items, false, $order, $uid);
 533                 $profile_owner = $a->profile['uid'];
 534
 535                 if (!$update) {
 536                         $live_update_div = '<div id="live-display"></div>' . "\r\n"
 537                                 . "<script> var profile_uid = " . Session::get('uid', 0) . ";"
 538                                 . " var profile_page = 1; </script>";
 539                 }
 540         } elseif ($mode === 'community') {
 541                 $items = conversation_add_children($items, true, $order, $uid);
 542                 $profile_owner = 0;
 543
 544                 if (!$update) {
 545                         $live_update_div = '<div id="live-community"></div>' . "\r\n"
 546                                 . "<script> var profile_uid = -1; var netargs = '" . substr($a->cmd, 10)
 547                                 ."/?f='; var profile_page = " . $pager->getPage() . "; </script>\r\n";
 548                 }
 549         } elseif ($mode === 'contacts') {
 550                 $items = conversation_add_children($items, false, $order, $uid);
 551                 $profile_owner = 0;
 552
 553                 if (!$update) {
 554                         $live_update_div = '<div id="live-contacts"></div>' . "\r\n"
 555                                 . "<script> var profile_uid = -1; var netargs = '" . substr($a->cmd, 9)
 556                                 ."/?f='; var profile_page = " . $pager->getPage() . "; </script>\r\n";
 557                 }
 558         } elseif ($mode === 'search') {
 559                 $live_update_div = '<div id="live-search"></div>' . "\r\n";
 560         }
 561
 562         $page_dropping = ((local_user() && local_user() == $profile_owner) ? true : false);
 563
 564         if (!$update) {
 565                 $_SESSION['return_path'] = $a->query_string;
 566         }
 567
 568         $cb = ['items' => $items, 'mode' => $mode, 'update' => $update, 'preview' => $preview];
 569         Hook::callAll('conversation_start',$cb);
 570
 571         $items = $cb['items'];
 572
 573         $conv_responses = [
 574                 'like' => ['title' => L10n::t('Likes','title')],
 575                 'dislike' => ['title' => L10n::t('Dislikes','title')],
 576                 'attendyes' => ['title' => L10n::t('Attending','title')],
 577                 'attendno' => ['title' => L10n::t('Not attending','title')],
 578                 'attendmaybe' => ['title' => L10n::t('Might attend','title')],
 579                 'announce' => ['title' => L10n::t('Reshares','title')]
 580         ];
 581
 582         // array with html for each thread (parent+comments)
 583         $threads = [];
 584         $threadsid = -1;
 585
 586         $page_template = Renderer::getMarkupTemplate("conversation.tpl");
 587
 588         if (!empty($items)) {
 589                 if (in_array($mode, ['community', 'contacts'])) {
 590                         $writable = true;
 591                 } else {
 592                         $writable = ($items[0]['uid'] == 0) && in_array($items[0]['network'], Protocol::FEDERATED);
 593                 }
 594
 595                 if (!local_user()) {
 596                         $writable = false;
 597                 }
 598
 599                 if (in_array($mode, ['network-new', 'search', 'contact-posts'])) {
 600
 601                         /*
 602                          * "New Item View" on network page or search page results
 603                          * - just loop through the items and format them minimally for display
 604                          */
 605
 606                         $tpl = 'search_item.tpl';
 607
 608                         foreach ($items as $item) {
 609
 610                                 if (!visible_activity($item)) {
 611                                         continue;
 612                                 }
 613
 614                                 if (in_array($item['author-id'], $blocklist)) {
 615                                         continue;
 616                                 }
 617
 618                                 $threadsid++;
 619
 620                                 $owner_url   = '';
 621                                 $owner_name  = '';
 622                                 $sparkle     = '';
 623
 624                                 // prevent private email from leaking.
 625                                 if ($item['network'] === Protocol::MAIL && local_user() != $item['uid']) {
 626                                         continue;
 627                                 }
 628
 629                                 $profile_name = $item['author-name'];
 630                                 if (!empty($item['author-link']) && empty($item['author-name'])) {
 631                                         $profile_name = $item['author-link'];
 632                                 }
 633
 634                                 $tags = Term::populateTagsFromItem($item);
 635
 636                                 $author = ['uid' => 0, 'id' => $item['author-id'],
 637                                         'network' => $item['author-network'], 'url' => $item['author-link']];
 638                                 $profile_link = Contact::magicLinkByContact($author);
 639
 640                                 if (strpos($profile_link, 'redir/') === 0) {
 641                                         $sparkle = ' sparkle';
 642                                 }
 643
 644                                 $locate = ['location' => $item['location'], 'coord' => $item['coord'], 'html' => ''];
 645                                 Hook::callAll('render_location',$locate);
 646
 647                                 $location = ((strlen($locate['html'])) ? $locate['html'] : render_location_dummy($locate));
 648
 649                                 localize_item($item);
 650                                 if ($mode === 'network-new') {
 651                                         $dropping = true;
 652                                 } else {
 653                                         $dropping = false;
 654                                 }
 655
 656                                 $drop = [
 657                                         'dropping' => $dropping,
 658                                         'pagedrop' => $page_dropping,
 659                                         'select' => L10n::t('Select'),
 660                                         'delete' => L10n::t('Delete'),
 661                                 ];
 662
 663                                 $star = false;
 664                                 $isstarred = "unstarred";
 665
 666                                 $lock = false;
 667                                 $likebuttons = false;
 668
 669                                 $body = Item::prepareBody($item, true, $preview);
 670
 671                                 /** @var ContentItem $contItem */
 672                                 $contItem = BaseObject::getClass(ContentItem::class);
 673
 674                                 list($categories, $folders) = $contItem->determineCategoriesTerms($item);
 675
 676                                 if (!empty($item['content-warning']) && PConfig::get(local_user(), 'system', 'disable_cw', false)) {
 677                                         $title = ucfirst($item['content-warning']);
 678                                 } else {
 679                                         $title = $item['title'];
 680                                 }
 681
 682                                 $tmp_item = [
 683                                         'template' => $tpl,
 684                                         'id' => ($preview ? 'P0' : $item['id']),
 685                                         'guid' => ($preview ? 'Q0' : $item['guid']),
 686                                         'network' => $item['network'],
 687                                         'network_name' => ContactSelector::networkToName($item['network'], $item['author-link']),
 688                                         'network_icon' => ContactSelector::networkToIcon($item['network'], $item['author-link']),
 689                                         'linktitle' => L10n::t('View %s\'s profile @ %s', $profile_name, $item['author-link']),
 690                                         'profile_url' => $profile_link,
 691                                         'item_photo_menu' => item_photo_menu($item),
 692                                         'name' => $profile_name,
 693                                         'sparkle' => $sparkle,
 694                                         'lock' => $lock,
 695                                         'thumb' => System::removedBaseUrl(ProxyUtils::proxifyUrl($item['author-avatar'], false, ProxyUtils::SIZE_THUMB)),
 696                                         'title' => $title,
 697                                         'body' => $body,
 698                                         'tags' => $tags['tags'],
 699                                         'hashtags' => $tags['hashtags'],
 700                                         'mentions' => $tags['mentions'],
 701                                         'implicit_mentions' => $tags['implicit_mentions'],
 702                                         'txt_cats' => L10n::t('Categories:'),
 703                                         'txt_folders' => L10n::t('Filed under:'),
 704                                         'has_cats' => ((count($categories)) ? 'true' : ''),
 705                                         'has_folders' => ((count($folders)) ? 'true' : ''),
 706                                         'categories' => $categories,
 707                                         'folders' => $folders,
 708                                         'text' => strip_tags($body),
 709                                         'localtime' => DateTimeFormat::local($item['created'], 'r'),
 710                                         'ago' => (($item['app']) ? L10n::t('%s from %s', Temporal::getRelativeDate($item['created']),$item['app']) : Temporal::getRelativeDate($item['created'])),
 711                                         'location' => $location,
 712                                         'indent' => '',
 713                                         'owner_name' => $owner_name,
 714                                         'owner_url' => $owner_url,
 715                                         'owner_photo' => System::removedBaseUrl(ProxyUtils::proxifyUrl($item['owner-avatar'], false, ProxyUtils::SIZE_THUMB)),
 716                                         'plink' => Item::getPlink($item),
 717                                         'edpost' => false,
 718                                         'isstarred' => $isstarred,
 719                                         'star' => $star,
 720                                         'drop' => $drop,
 721                                         'vote' => $likebuttons,
 722                                         'like' => '',
 723                                         'dislike' => '',
 724                                         'comment' => '',
 725                                         'conv' => (($preview) ? '' : ['href'=> 'display/'.$item['guid'], 'title'=> L10n::t('View in context')]),
 726                                         'previewing' => $previewing,
 727                                         'wait' => L10n::t('Please wait'),
 728                                         'thread_level' => 1,
 729                                 ];
 730
 731                                 $arr = ['item' => $item, 'output' => $tmp_item];
 732                                 Hook::callAll('display_item', $arr);
 733
 734                                 $threads[$threadsid]['id'] = $item['id'];
 735                                 $threads[$threadsid]['network'] = $item['network'];
 736                                 $threads[$threadsid]['items'] = [$arr['output']];
 737
 738                         }
 739                 } else {
 740                         // Normal View
 741                         $page_template = Renderer::getMarkupTemplate("threaded_conversation.tpl");
 742
 743                         $conv = new Thread($mode, $preview, $writable);
 744
 745                         /*
 746                          * get all the topmost parents
 747                          * this shouldn't be needed, as we should have only them in our array
 748                          * But for now, this array respects the old style, just in case
 749                          */
 750                         foreach ($items as $item) {
 751                                 if (in_array($item['author-id'], $blocklist)) {
 752                                         continue;
 753                                 }
 754
 755                                 // Can we put this after the visibility check?
 756                                 builtin_activity_puller($item, $conv_responses);
 757
 758                                 // Only add what is visible
 759                                 if ($item['network'] === Protocol::MAIL && local_user() != $item['uid']) {
 760                                         continue;
 761                                 }
 762
 763                                 if (!visible_activity($item)) {
 764                                         continue;
 765                                 }
 766
 767                                 /// @todo Check if this call is needed or not
 768                                 $arr = ['item' => $item];
 769                                 Hook::callAll('display_item', $arr);
 770
 771                                 $item['pagedrop'] = $page_dropping;
 772
 773                                 if ($item['id'] == $item['parent']) {
 774                                         $item_object = new Post($item);
 775                                         $conv->addParent($item_object);
 776                                 }
 777                         }
 778
 779                         $threads = $conv->getTemplateData($conv_responses);
 780                         if (!$threads) {
 781                                 Logger::log('[ERROR] conversation : Failed to get template data.', Logger::DEBUG);
 782                                 $threads = [];
 783                         }
 784                 }
 785         }
 786
 787         $o = Renderer::replaceMacros($page_template, [
 788                 '$baseurl' => System::baseUrl($ssl_state),
 789                 '$return_path' => $a->query_string,
 790                 '$live_update' => $live_update_div,
 791                 '$remove' => L10n::t('remove'),
 792                 '$mode' => $mode,
 793                 '$user' => $a->user,
 794                 '$threads' => $threads,
 795                 '$dropping' => ($page_dropping ? L10n::t('Delete Selected Items') : False),
 796         ]);
 797
 798         return $o;
 799 }
 800
 801 /**
 802  * Fetch all comments from a query. Additionally set the newest resharer as thread owner.
 803  *
 804  * @param array   $thread_items Database statement with thread posts
 805  * @param boolean $pinned       Is the item pinned?
 806  *
 807  * @return array items with parents and comments
 808  */
 809 function conversation_fetch_comments($thread_items, $pinned) {
 810         $comments = [];
 811         $parentlines = [];
 812         $lineno = 0;
 813         $actor = [];
 814         $received = '';
 815
 816         while ($row = Item::fetch($thread_items)) {
 817                 if (($row['verb'] == Activity::ANNOUNCE) && !empty($row['contact-uid']) && ($row['received'] > $received) && ($row['thr-parent'] == $row['parent-uri'])) {
 818                         $actor = ['link' => $row['author-link'], 'avatar' => $row['author-avatar'], 'name' => $row['author-name']];
 819                         $received = $row['received'];
 820                 }
 821
 822                 if ((($row['gravity'] == GRAVITY_PARENT) && !$row['origin'] && !in_array($row['network'], [Protocol::DIASPORA])) &&
 823                         (empty($row['contact-uid']) || !in_array($row['network'], Protocol::NATIVE_SUPPORT))) {
 824                         $parentlines[] = $lineno;
 825                 }
 826
 827                 if ($row['gravity'] == GRAVITY_PARENT) {
 828                         $row['pinned'] = $pinned;
 829                 }
 830
 831                 $comments[] = $row;
 832                 $lineno++;
 833         }
 834
 835         DBA::close($thread_items);
 836
 837         if (!empty($actor)) {
 838                 foreach ($parentlines as $line) {
 839                         $comments[$line]['owner-link'] = $actor['link'];
 840                         $comments[$line]['owner-avatar'] = $actor['avatar'];
 841                         $comments[$line]['owner-name'] = $actor['name'];
 842                 }
 843         }
 844         return $comments;
 845 }
 846
 847 /**
 848  * @brief Add comments to top level entries that had been fetched before
 849  *
 850  * The system will fetch the comments for the local user whenever possible.
 851  * This behaviour is currently needed to allow commenting on Friendica posts.
 852  *
 853  * @param array $parents Parent items
 854  *
 855  * @param       $block_authors
 856  * @param       $order
 857  * @param       $uid
 858  * @return array items with parents and comments
 859  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 860  */
 861 function conversation_add_children(array $parents, $block_authors, $order, $uid) {
 862         $max_comments = Config::get('system', 'max_comments', 100);
 863
 864         $params = ['order' => ['uid', 'commented' => true]];
 865
 866         if ($max_comments > 0) {
 867                 $params['limit'] = $max_comments;
 868         }
 869
 870         $items = [];
 871
 872         foreach ($parents AS $parent) {
 873                 $condition = ["`item`.`parent-uri` = ? AND `item`.`uid` IN (0, ?) ",
 874                         $parent['uri'], $uid];
 875                 if ($block_authors) {
 876                         $condition[0] .= "AND NOT `author`.`hidden`";
 877                 }
 878
 879                 $thread_items = Item::selectForUser(local_user(), array_merge(Item::DISPLAY_FIELDLIST, ['contact-uid', 'gravity']), $condition, $params);
 880
 881                 $comments = conversation_fetch_comments($thread_items, $parent['pinned'] ?? false);
 882
 883                 if (count($comments) != 0) {
 884                         $items = array_merge($items, $comments);
 885                 }
 886         }
 887
 888         foreach ($items as $index => $item) {
 889                 if ($item['uid'] == 0) {
 890                         $items[$index]['writable'] = in_array($item['network'], Protocol::FEDERATED);
 891                 }
 892         }
 893
 894         $items = conv_sort($items, $order);
 895
 896         return $items;
 897 }
 898
 899 function item_photo_menu($item) {
 900         $sub_link = '';
 901         $poke_link = '';
 902         $contact_url = '';
 903         $pm_url = '';
 904         $status_link = '';
 905         $photos_link = '';
 906         $posts_link = '';
 907         $block_link = '';
 908         $ignore_link = '';
 909
 910         if (local_user() && local_user() == $item['uid'] && $item['parent'] == $item['id'] && !$item['self']) {
 911                 $sub_link = 'javascript:dosubthread(' . $item['id'] . '); return false;';
 912         }
 913
 914         $author = ['uid' => 0, 'id' => $item['author-id'],
 915                 'network' => $item['author-network'], 'url' => $item['author-link']];
 916         $profile_link = Contact::magicLinkByContact($author, $item['author-link']);
 917         $sparkle = (strpos($profile_link, 'redir/') === 0);
 918
 919         $cid = 0;
 920         $pcid = Contact::getIdForURL($item['author-link'], 0, true);
 921         $network = '';
 922         $rel = 0;
 923         $condition = ['uid' => local_user(), 'nurl' => Strings::normaliseLink($item['author-link'])];
 924         $contact = DBA::selectFirst('contact', ['id', 'network', 'rel'], $condition);
 925         if (DBA::isResult($contact)) {
 926                 $cid = $contact['id'];
 927                 $network = $contact['network'];
 928                 $rel = $contact['rel'];
 929         }
 930
 931         if ($sparkle) {
 932                 $status_link = $profile_link . '?tab=status';
 933                 $photos_link = str_replace('/profile/', '/photos/', $profile_link);
 934                 $profile_link = $profile_link . '?=profile';
 935         }
 936
 937         if (!empty($pcid)) {
 938                 $contact_url = 'contact/' . $pcid;
 939                 $posts_link = 'contact/' . $pcid . '/posts';
 940                 $block_link = 'contact/' . $pcid . '/block';
 941                 $ignore_link = 'contact/' . $pcid . '/ignore';
 942         }
 943
 944         if ($cid && !$item['self']) {
 945                 $poke_link = 'poke/?f=&c=' . $cid;
 946                 $contact_url = 'contact/' . $cid;
 947                 $posts_link = 'contact/' . $cid . '/posts';
 948
 949                 if (in_array($network, [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA])) {
 950                         $pm_url = 'message/new/' . $cid;
 951                 }
 952         }
 953
 954         if (local_user()) {
 955                 $menu = [
 956                         L10n::t('Follow Thread') => $sub_link,
 957                         L10n::t('View Status') => $status_link,
 958                         L10n::t('View Profile') => $profile_link,
 959                         L10n::t('View Photos') => $photos_link,
 960                         L10n::t('Network Posts') => $posts_link,
 961                         L10n::t('View Contact') => $contact_url,
 962                         L10n::t('Send PM') => $pm_url,
 963                         L10n::t('Block') => $block_link,
 964                         L10n::t('Ignore') => $ignore_link
 965                 ];
 966
 967                 if ($network == Protocol::DFRN) {
 968                         $menu[L10n::t("Poke")] = $poke_link;
 969                 }
 970
 971                 if ((($cid == 0) || ($rel == Contact::FOLLOWER)) &&
 972                         in_array($item['network'], Protocol::FEDERATED)) {
 973                         $menu[L10n::t('Connect/Follow')] = 'follow?url=' . urlencode($item['author-link']);
 974                 }
 975         } else {
 976                 $menu = [L10n::t('View Profile') => $item['author-link']];
 977         }
 978
 979         $args = ['item' => $item, 'menu' => $menu];
 980
 981         Hook::callAll('item_photo_menu', $args);
 982
 983         $menu = $args['menu'];
 984
 985         $o = '';
 986         foreach ($menu as $k => $v) {
 987                 if (strpos($v, 'javascript:') === 0) {
 988                         $v = substr($v, 11);
 989                         $o .= '<li role="menuitem"><a onclick="' . $v . '">' . $k . '</a></li>' . PHP_EOL;
 990                 } elseif ($v!='') {
 991                         $o .= '<li role="menuitem"><a href="' . $v . '">' . $k . '</a></li>' . PHP_EOL;
 992                 }
 993         }
 994         return $o;
 995 }
 996
 997 /**
 998  * @brief Checks item to see if it is one of the builtin activities (like/dislike, event attendance, consensus items, etc.)
 999  * Increments the count of each matching activity and adds a link to the author as needed.
1000  *
1001  * @param array  $item
1002  * @param array &$conv_responses (already created with builtin activity structure)
1003  * @return void
1004  * @throws ImagickException
1005  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1006  */
1007 function builtin_activity_puller($item, &$conv_responses) {
1008         foreach ($conv_responses as $mode => $v) {
1009                 $sparkle = '';
1010
1011                 switch ($mode) {
1012                         case 'like':
1013                                 $verb = Activity::LIKE;
1014                                 break;
1015                         case 'dislike':
1016                                 $verb = Activity::DISLIKE;
1017                                 break;
1018                         case 'attendyes':
1019                                 $verb = Activity::ATTEND;
1020                                 break;
1021                         case 'attendno':
1022                                 $verb = Activity::ATTENDNO;
1023                                 break;
1024                         case 'attendmaybe':
1025                                 $verb = Activity::ATTENDMAYBE;
1026                                 break;
1027                         case 'announce':
1028                                 $verb = Activity::ANNOUNCE;
1029                                 break;
1030                         default:
1031                                 return;
1032                 }
1033
1034                 /** @var Activity $activity */
1035                 $activity = BaseObject::getClass(Activity::class);
1036
1037                 if ($activity->match($item['verb'], $verb) && ($item['id'] != $item['parent'])) {
1038                         $author = ['uid' => 0, 'id' => $item['author-id'],
1039                                 'network' => $item['author-network'], 'url' => $item['author-link']];
1040                         $url = Contact::magicLinkByContact($author);
1041                         if (strpos($url, 'redir/') === 0) {
1042                                 $sparkle = ' class="sparkle" ';
1043                         }
1044
1045                         $url = '<a href="'. $url . '"'. $sparkle .'>' . htmlentities($item['author-name']) . '</a>';
1046
1047                         if (empty($item['thr-parent'])) {
1048                                 $item['thr-parent'] = $item['parent-uri'];
1049                         }
1050
1051                         if (!(isset($conv_responses[$mode][$item['thr-parent'] . '-l'])
1052                                 && is_array($conv_responses[$mode][$item['thr-parent'] . '-l']))) {
1053                                 $conv_responses[$mode][$item['thr-parent'] . '-l'] = [];
1054                         }
1055
1056                         // only list each unique author once
1057                         if (in_array($url,$conv_responses[$mode][$item['thr-parent'] . '-l'])) {
1058                                 continue;
1059                         }
1060
1061                         if (!isset($conv_responses[$mode][$item['thr-parent']])) {
1062                                 $conv_responses[$mode][$item['thr-parent']] = 1;
1063                         } else {
1064                                 $conv_responses[$mode][$item['thr-parent']] ++;
1065                         }
1066
1067                         if (public_contact() == $item['author-id']) {
1068                                 $conv_responses[$mode][$item['thr-parent'] . '-self'] = 1;
1069                         }
1070
1071                         $conv_responses[$mode][$item['thr-parent'] . '-l'][] = $url;
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 vote text for a profile item
1081  *
1082  * @param int    $cnt  = number of people who vote the item
1083  * @param array  $arr  = array of pre-linked names of likers/dislikers
1084  * @param string $type = one of 'like, 'dislike', 'attendyes', 'attendno', 'attendmaybe'
1085  * @param int    $id   = item id
1086  * @return string formatted text
1087  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1088  */
1089 function format_like($cnt, array $arr, $type, $id) {
1090         $o = '';
1091         $expanded = '';
1092         $phrase = '';
1093
1094         if ($cnt == 1) {
1095                 $likers = $arr[0];
1096
1097                 // Phrase if there is only one liker. In other cases it will be uses for the expanded
1098                 // list which show all likers
1099                 switch ($type) {
1100                         case 'like' :
1101                                 $phrase = L10n::t('%s likes this.', $likers);
1102                                 break;
1103                         case 'dislike' :
1104                                 $phrase = L10n::t('%s doesn\'t like this.', $likers);
1105                                 break;
1106                         case 'attendyes' :
1107                                 $phrase = L10n::t('%s attends.', $likers);
1108                                 break;
1109                         case 'attendno' :
1110                                 $phrase = L10n::t('%s doesn\'t attend.', $likers);
1111                                 break;
1112                         case 'attendmaybe' :
1113                                 $phrase = L10n::t('%s attends maybe.', $likers);
1114                                 break;
1115                         case 'announce' :
1116                                 $phrase = L10n::t('%s reshared this.', $likers);
1117                                 break;
1118                 }
1119         }
1120
1121         if ($cnt > 1) {
1122                 $total = count($arr);
1123                 if ($total < MAX_LIKERS) {
1124                         $last = L10n::t('and') . ' ' . $arr[count($arr)-1];
1125                         $arr2 = array_slice($arr, 0, -1);
1126                         $likers = implode(', ', $arr2) . ' ' . $last;
1127                 } else  {
1128                         $arr = array_slice($arr, 0, MAX_LIKERS - 1);
1129                         $likers = implode(', ', $arr);
1130                         $likers .= L10n::t('and %d other people', $total - MAX_LIKERS);
1131                 }
1132
1133                 $spanatts = "class=\"fakelink\" onclick=\"openClose('{$type}list-$id');\"";
1134
1135                 $explikers = '';
1136                 switch ($type) {
1137                         case 'like':
1138                                 $phrase = L10n::t('<span  %1$s>%2$d people</span> like this', $spanatts, $cnt);
1139                                 $explikers = L10n::t('%s like this.', $likers);
1140                                 break;
1141                         case 'dislike':
1142                                 $phrase = L10n::t('<span  %1$s>%2$d people</span> don\'t like this', $spanatts, $cnt);
1143                                 $explikers = L10n::t('%s don\'t like this.', $likers);
1144                                 break;
1145                         case 'attendyes':
1146                                 $phrase = L10n::t('<span  %1$s>%2$d people</span> attend', $spanatts, $cnt);
1147                                 $explikers = L10n::t('%s attend.', $likers);
1148                                 break;
1149                         case 'attendno':
1150                                 $phrase = L10n::t('<span  %1$s>%2$d people</span> don\'t attend', $spanatts, $cnt);
1151                                 $explikers = L10n::t('%s don\'t attend.', $likers);
1152                                 break;
1153                         case 'attendmaybe':
1154                                 $phrase = L10n::t('<span  %1$s>%2$d people</span> attend maybe', $spanatts, $cnt);
1155                                 $explikers = L10n::t('%s attend maybe.', $likers);
1156                                 break;
1157                         case 'announce':
1158                                 $phrase = L10n::t('<span  %1$s>%2$d people</span> reshared this', $spanatts, $cnt);
1159                                 $explikers = L10n::t('%s reshared this.', $likers);
1160                                 break;
1161                 }
1162
1163                 $expanded .= "\t" . '<p class="wall-item-' . $type . '-expanded" id="' . $type . 'list-' . $id . '" style="display: none;" >' . $explikers . EOL . '</p>';
1164         }
1165
1166         $o .= Renderer::replaceMacros(Renderer::getMarkupTemplate('voting_fakelink.tpl'), [
1167                 '$phrase' => $phrase,
1168                 '$type' => $type,
1169                 '$id' => $id
1170         ]);
1171         $o .= $expanded;
1172
1173         return $o;
1174 }
1175
1176 function status_editor(App $a, $x, $notes_cid = 0, $popup = false)
1177 {
1178         $o = '';
1179
1180         $geotag = !empty($x['allow_location']) ? Renderer::replaceMacros(Renderer::getMarkupTemplate('jot_geotag.tpl'), []) : '';
1181
1182         $tpl = Renderer::getMarkupTemplate('jot-header.tpl');
1183         $a->page['htmlhead'] .= Renderer::replaceMacros($tpl, [
1184                 '$newpost'   => 'true',
1185                 '$baseurl'   => System::baseUrl(true),
1186                 '$geotag'    => $geotag,
1187                 '$nickname'  => $x['nickname'],
1188                 '$ispublic'  => L10n::t('Visible to <strong>everybody</strong>'),
1189                 '$linkurl'   => L10n::t('Please enter a image/video/audio/webpage URL:'),
1190                 '$term'      => L10n::t('Tag term:'),
1191                 '$fileas'    => L10n::t('Save to Folder:'),
1192                 '$whereareu' => L10n::t('Where are you right now?'),
1193                 '$delitems'  => L10n::t("Delete item\x28s\x29?")
1194         ]);
1195
1196         $jotplugins = '';
1197         Hook::callAll('jot_tool', $jotplugins);
1198
1199         // Private/public post links for the non-JS ACL form
1200         $private_post = 1;
1201         if (!empty($_REQUEST['public'])) {
1202                 $private_post = 0;
1203         }
1204
1205         $query_str = $a->query_string;
1206         if (strpos($query_str, 'public=1') !== false) {
1207                 $query_str = str_replace(['?public=1', '&public=1'], ['', ''], $query_str);
1208         }
1209
1210         /*
1211          * I think $a->query_string may never have ? in it, but I could be wrong
1212          * It looks like it's from the index.php?q=[etc] rewrite that the web
1213          * server does, which converts any ? to &, e.g. suggest&ignore=61 for suggest?ignore=61
1214          */
1215         if (strpos($query_str, '?') === false) {
1216                 $public_post_link = '?public=1';
1217         } else {
1218                 $public_post_link = '&public=1';
1219         }
1220
1221         // $tpl = Renderer::replaceMacros($tpl,array('$jotplugins' => $jotplugins));
1222         $tpl = Renderer::getMarkupTemplate("jot.tpl");
1223
1224         $o .= Renderer::replaceMacros($tpl,[
1225                 '$new_post' => L10n::t('New Post'),
1226                 '$return_path'  => $query_str,
1227                 '$action'       => 'item',
1228                 '$share'        => ($x['button'] ?? '') ?: L10n::t('Share'),
1229                 '$upload'       => L10n::t('Upload photo'),
1230                 '$shortupload'  => L10n::t('upload photo'),
1231                 '$attach'       => L10n::t('Attach file'),
1232                 '$shortattach'  => L10n::t('attach file'),
1233                 '$edbold'       => L10n::t('Bold'),
1234                 '$editalic'     => L10n::t('Italic'),
1235                 '$eduline'      => L10n::t('Underline'),
1236                 '$edquote'      => L10n::t('Quote'),
1237                 '$edcode'       => L10n::t('Code'),
1238                 '$edimg'        => L10n::t('Image'),
1239                 '$edurl'        => L10n::t('Link'),
1240                 '$edattach'     => L10n::t('Link or Media'),
1241                 '$setloc'       => L10n::t('Set your location'),
1242                 '$shortsetloc'  => L10n::t('set location'),
1243                 '$noloc'        => L10n::t('Clear browser location'),
1244                 '$shortnoloc'   => L10n::t('clear location'),
1245                 '$title'        => $x['title'] ?? '',
1246                 '$placeholdertitle' => L10n::t('Set title'),
1247                 '$category'     => $x['category'] ?? '',
1248                 '$placeholdercategory' => Feature::isEnabled(local_user(), 'categories') ? L10n::t("Categories \x28comma-separated list\x29") : '',
1249                 '$wait'         => L10n::t('Please wait'),
1250                 '$permset'      => L10n::t('Permission settings'),
1251                 '$shortpermset' => L10n::t('permissions'),
1252                 '$wall'         => $notes_cid ? 0 : 1,
1253                 '$posttype'     => $notes_cid ? Item::PT_PERSONAL_NOTE : Item::PT_ARTICLE,
1254                 '$content'      => $x['content'] ?? '',
1255                 '$post_id'      => $x['post_id'] ?? '',
1256                 '$baseurl'      => System::baseUrl(true),
1257                 '$defloc'       => $x['default_location'],
1258                 '$visitor'      => $x['visitor'],
1259                 '$pvisit'       => $notes_cid ? 'none' : $x['visitor'],
1260                 '$public'       => L10n::t('Public post'),
1261                 '$lockstate'    => $x['lockstate'],
1262                 '$bang'         => $x['bang'],
1263                 '$profile_uid'  => $x['profile_uid'],
1264                 '$preview'      => L10n::t('Preview'),
1265                 '$jotplugins'   => $jotplugins,
1266                 '$notes_cid'    => $notes_cid,
1267                 '$sourceapp'    => L10n::t($a->sourcename),
1268                 '$cancel'       => L10n::t('Cancel'),
1269                 '$rand_num'     => Crypto::randomDigits(12),
1270
1271                 // ACL permissions box
1272                 '$acl'           => $x['acl'],
1273                 '$group_perms'   => L10n::t('Post to Groups'),
1274                 '$contact_perms' => L10n::t('Post to Contacts'),
1275                 '$private'       => L10n::t('Private post'),
1276                 '$is_private'    => $private_post,
1277                 '$public_link'   => $public_post_link,
1278
1279                 //jot nav tab (used in some themes)
1280                 '$message' => L10n::t('Message'),
1281                 '$browser' => L10n::t('Browser'),
1282         ]);
1283
1284
1285         if ($popup == true) {
1286                 $o = '<div id="jot-popup" style="display: none;">' . $o . '</div>';
1287         }
1288
1289         return $o;
1290 }
1291
1292 /**
1293  * Plucks the children of the given parent from a given item list.
1294  *
1295  * @brief Plucks all the children in the given item list of the given parent
1296  *
1297  * @param array $item_list
1298  * @param array $parent
1299  * @param bool  $recursive
1300  * @return array
1301  */
1302 function get_item_children(array &$item_list, array $parent, $recursive = true)
1303 {
1304         $children = [];
1305         foreach ($item_list as $i => $item) {
1306                 if ($item['id'] != $item['parent']) {
1307                         if ($recursive) {
1308                                 // Fallback to parent-uri if thr-parent is not set
1309                                 $thr_parent = $item['thr-parent'];
1310                                 if ($thr_parent == '') {
1311                                         $thr_parent = $item['parent-uri'];
1312                                 }
1313
1314                                 if ($thr_parent == $parent['uri']) {
1315                                         $item['children'] = get_item_children($item_list, $item);
1316                                         $children[] = $item;
1317                                         unset($item_list[$i]);
1318                                 }
1319                         } elseif ($item['parent'] == $parent['id']) {
1320                                 $children[] = $item;
1321                                 unset($item_list[$i]);
1322                         }
1323                 }
1324         }
1325         return $children;
1326 }
1327
1328 /**
1329  * @brief Recursively sorts a tree-like item array
1330  *
1331  * @param array $items
1332  * @return array
1333  */
1334 function sort_item_children(array $items)
1335 {
1336         $result = $items;
1337         usort($result, 'sort_thr_received_rev');
1338         foreach ($result as $k => $i) {
1339                 if (isset($result[$k]['children'])) {
1340                         $result[$k]['children'] = sort_item_children($result[$k]['children']);
1341                 }
1342         }
1343         return $result;
1344 }
1345
1346 /**
1347  * @brief Recursively add all children items at the top level of a list
1348  *
1349  * @param array $children List of items to append
1350  * @param array $item_list
1351  */
1352 function add_children_to_list(array $children, array &$item_list)
1353 {
1354         foreach ($children as $child) {
1355                 $item_list[] = $child;
1356                 if (isset($child['children'])) {
1357                         add_children_to_list($child['children'], $item_list);
1358                 }
1359         }
1360 }
1361
1362 /**
1363  * This recursive function takes the item tree structure created by conv_sort() and
1364  * flatten the extraneous depth levels when people reply sequentially, removing the
1365  * stairs effect in threaded conversations limiting the available content width.
1366  *
1367  * The basic principle is the following: if a post item has only one reply and is
1368  * the last reply of its parent, then the reply is moved to the parent.
1369  *
1370  * This process is rendered somewhat more complicated because items can be either
1371  * replies or likes, and these don't factor at all in the reply count/last reply.
1372  *
1373  * @brief Selectively flattens a tree-like item structure to prevent threading stairs
1374  *
1375  * @param array $parent A tree-like array of items
1376  * @return array
1377  */
1378 function smart_flatten_conversation(array $parent)
1379 {
1380         if (!isset($parent['children']) || count($parent['children']) == 0) {
1381                 return $parent;
1382         }
1383
1384         // We use a for loop to ensure we process the newly-moved items
1385         for ($i = 0; $i < count($parent['children']); $i++) {
1386                 $child = $parent['children'][$i];
1387
1388                 if (isset($child['children']) && count($child['children'])) {
1389                         // This helps counting only the regular posts
1390                         $count_post_closure = function($var) {
1391                                 return $var['verb'] === Activity::POST;
1392                         };
1393
1394                         $child_post_count = count(array_filter($child['children'], $count_post_closure));
1395
1396                         $remaining_post_count = count(array_filter(array_slice($parent['children'], $i), $count_post_closure));
1397
1398                         // If there's only one child's children post and this is the last child post
1399                         if ($child_post_count == 1 && $remaining_post_count == 1) {
1400
1401                                 // Searches the post item in the children
1402                                 $j = 0;
1403                                 while($child['children'][$j]['verb'] !== Activity::POST && $j < count($child['children'])) {
1404                                         $j ++;
1405                                 }
1406
1407                                 $moved_item = $child['children'][$j];
1408                                 unset($parent['children'][$i]['children'][$j]);
1409                                 $parent['children'][] = $moved_item;
1410                         } else {
1411                                 $parent['children'][$i] = smart_flatten_conversation($child);
1412                         }
1413                 }
1414         }
1415
1416         return $parent;
1417 }
1418
1419
1420 /**
1421  * Expands a flat list of items into corresponding tree-like conversation structures,
1422  * sort the top-level posts either on "received" or "commented", and finally
1423  * append all the items at the top level (???)
1424  *
1425  * @brief Expands a flat item list into a conversation array for display
1426  *
1427  * @param array  $item_list A list of items belonging to one or more conversations
1428  * @param string $order     Either on "received" or "commented"
1429  * @return array
1430  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1431  */
1432 function conv_sort(array $item_list, $order)
1433 {
1434         $parents = [];
1435
1436         if (!(is_array($item_list) && count($item_list))) {
1437                 return $parents;
1438         }
1439
1440         $blocklist = conv_get_blocklist();
1441
1442         $item_array = [];
1443
1444         // Dedupes the item list on the uri to prevent infinite loops
1445         foreach ($item_list as $item) {
1446                 if (in_array($item['author-id'], $blocklist)) {
1447                         continue;
1448                 }
1449
1450                 $item_array[$item['uri']] = $item;
1451         }
1452
1453         // Extract the top level items
1454         foreach ($item_array as $item) {
1455                 if ($item['id'] == $item['parent']) {
1456                         $parents[] = $item;
1457                 }
1458         }
1459
1460         if (stristr($order, 'pinned_received')) {
1461                 usort($parents, 'sort_thr_pinned_received');
1462         } elseif (stristr($order, 'received')) {
1463                 usort($parents, 'sort_thr_received');
1464         } elseif (stristr($order, 'commented')) {
1465                 usort($parents, 'sort_thr_commented');
1466         }
1467
1468         /*
1469          * Plucks children from the item_array, second pass collects eventual orphan
1470          * items and add them as children of their top-level post.
1471          */
1472         foreach ($parents as $i => $parent) {
1473                 $parents[$i]['children'] =
1474                         array_merge(get_item_children($item_array, $parent, true),
1475                                 get_item_children($item_array, $parent, false));
1476         }
1477
1478         foreach ($parents as $i => $parent) {
1479                 $parents[$i]['children'] = sort_item_children($parents[$i]['children']);
1480         }
1481
1482         if (PConfig::get(local_user(), 'system', 'smart_threading', 0)) {
1483                 foreach ($parents as $i => $parent) {
1484                         $parents[$i] = smart_flatten_conversation($parent);
1485                 }
1486         }
1487
1488         /// @TODO: Stop recusrsively adding all children back to the top level (!!!)
1489         /// However, this apparently ensures responses (likes, attendance) display (?!)
1490         foreach ($parents as $parent) {
1491                 if (count($parent['children'])) {
1492                         add_children_to_list($parent['children'], $parents);
1493                 }
1494         }
1495
1496         return $parents;
1497 }
1498
1499 /**
1500  * @brief usort() callback to sort item arrays by pinned and the received key
1501  *
1502  * @param array $a
1503  * @param array $b
1504  * @return int
1505  */
1506 function sort_thr_pinned_received(array $a, array $b)
1507 {
1508         if ($b['pinned'] && !$a['pinned']) {
1509                 return 1;
1510         } elseif (!$b['pinned'] && $a['pinned']) {
1511                 return -1;
1512         }
1513
1514         return strcmp($b['received'], $a['received']);
1515 }
1516
1517 /**
1518  * @brief usort() callback to sort item arrays by the received key
1519  *
1520  * @param array $a
1521  * @param array $b
1522  * @return int
1523  */
1524 function sort_thr_received(array $a, array $b)
1525 {
1526         return strcmp($b['received'], $a['received']);
1527 }
1528
1529 /**
1530  * @brief usort() callback to reverse sort item arrays by the received key
1531  *
1532  * @param array $a
1533  * @param array $b
1534  * @return int
1535  */
1536 function sort_thr_received_rev(array $a, array $b)
1537 {
1538         return strcmp($a['received'], $b['received']);
1539 }
1540
1541 /**
1542  * @brief usort() callback to sort item arrays by the commented key
1543  *
1544  * @param array $a
1545  * @param array $b
1546  * @return int
1547  */
1548 function sort_thr_commented(array $a, array $b)
1549 {
1550         return strcmp($b['commented'], $a['commented']);
1551 }
1552
1553 function render_location_dummy(array $item) {
1554         if (!empty($item['location']) && !empty($item['location'])) {
1555                 return $item['location'];
1556         }
1557
1558         if (!empty($item['coord']) && !empty($item['coord'])) {
1559                 return $item['coord'];
1560         }
1561 }
1562
1563 function get_responses(array $conv_responses, array $response_verbs, array $item, Post $ob = null) {
1564         $ret = [];
1565         foreach ($response_verbs as $v) {
1566                 $ret[$v] = [];
1567                 $ret[$v]['count'] = $conv_responses[$v][$item['uri']] ?? 0;
1568                 $ret[$v]['list']  = $conv_responses[$v][$item['uri'] . '-l'] ?? [];
1569                 $ret[$v]['self']  = $conv_responses[$v][$item['uri'] . '-self'] ?? '0';
1570                 if (count($ret[$v]['list']) > MAX_LIKERS) {
1571                         $ret[$v]['list_part'] = array_slice($ret[$v]['list'], 0, MAX_LIKERS);
1572                         array_push($ret[$v]['list_part'], '<a href="#" data-toggle="modal" data-target="#' . $v . 'Modal-'
1573                                 . (($ob) ? $ob->getId() : $item['id']) . '"><b>' . L10n::t('View all') . '</b></a>');
1574                 } else {
1575                         $ret[$v]['list_part'] = '';
1576                 }
1577                 $ret[$v]['button'] = get_response_button_text($v, $ret[$v]['count']);
1578                 $ret[$v]['title'] = $conv_responses[$v]['title'];
1579         }
1580
1581         $count = 0;
1582         foreach ($ret as $key) {
1583                 if ($key['count'] == true) {
1584                         $count++;
1585                 }
1586         }
1587         $ret['count'] = $count;
1588
1589         return $ret;
1590 }
1591
1592 function get_response_button_text($v, $count)
1593 {
1594         $return = '';
1595         switch ($v) {
1596                 case 'like':
1597                         $return = L10n::tt('Like', 'Likes', $count);
1598                         break;
1599                 case 'dislike':
1600                         $return = L10n::tt('Dislike', 'Dislikes', $count);
1601                         break;
1602                 case 'attendyes':
1603                         $return = L10n::tt('Attending', 'Attending', $count);
1604                         break;
1605                 case 'attendno':
1606                         $return = L10n::tt('Not Attending', 'Not Attending', $count);
1607                         break;
1608                 case 'attendmaybe':
1609                         $return = L10n::tt('Undecided', 'Undecided', $count);
1610                         break;
1611         }
1612
1613         return $return;
1614 }