include/conversation.php

   1 <?php
   2 /**
   3  * @file include/conversation.php
   4  */
   5
   6 use Friendica\App;
   7 use Friendica\Content\ContactSelector;
   8 use Friendica\Content\Feature;
   9 use Friendica\Content\Text\BBCode;
  10 use Friendica\Core\Addon;
  11 use Friendica\Core\Config;
  12 use Friendica\Core\L10n;
  13 use Friendica\Core\PConfig;
  14 use Friendica\Core\System;
  15 use Friendica\Database\DBM;
  16 use Friendica\Model\Contact;
  17 use Friendica\Model\Profile;
  18 use Friendica\Object\Post;
  19 use Friendica\Object\Thread;
  20 use Friendica\Util\DateTimeFormat;
  21 use Friendica\Util\Temporal;
  22 use Friendica\Util\XML;
  23
  24 function item_extract_images($body) {
  25
  26         $saved_image = [];
  27         $orig_body = $body;
  28         $new_body = '';
  29
  30         $cnt = 0;
  31         $img_start = strpos($orig_body, '[img');
  32         $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
  33         $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
  34         while (($img_st_close !== false) && ($img_end !== false)) {
  35
  36                 $img_st_close++; // make it point to AFTER the closing bracket
  37                 $img_end += $img_start;
  38
  39                 if (!strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
  40                         // This is an embedded image
  41
  42                         $saved_image[$cnt] = substr($orig_body, $img_start + $img_st_close, $img_end - ($img_start + $img_st_close));
  43                         $new_body = $new_body . substr($orig_body, 0, $img_start) . '[!#saved_image' . $cnt . '#!]';
  44
  45                         $cnt++;
  46                 } else {
  47                         $new_body = $new_body . substr($orig_body, 0, $img_end + strlen('[/img]'));
  48                 }
  49
  50                 $orig_body = substr($orig_body, $img_end + strlen('[/img]'));
  51
  52                 if ($orig_body === false) {
  53                         // in case the body ends on a closing image tag
  54                         $orig_body = '';
  55                 }
  56
  57                 $img_start = strpos($orig_body, '[img');
  58                 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
  59                 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
  60         }
  61
  62         $new_body = $new_body . $orig_body;
  63
  64         return ['body' => $new_body, 'images' => $saved_image];
  65 }
  66
  67 function item_redir_and_replace_images($body, $images, $cid) {
  68
  69         $origbody = $body;
  70         $newbody = '';
  71
  72         $cnt = 1;
  73         $pos = BBCode::getTagPosition($origbody, 'url', 0);
  74         while ($pos !== false && $cnt < 1000) {
  75
  76                 $search = '/\[url\=(.*?)\]\[!#saved_image([0-9]*)#!\]\[\/url\]' . '/is';
  77                 $replace = '[url=' . System::baseUrl() . '/redir/' . $cid
  78                                    . '?f=1&url=' . '$1' . '][!#saved_image' . '$2' .'#!][/url]';
  79
  80                 $newbody .= substr($origbody, 0, $pos['start']['open']);
  81                 $subject = substr($origbody, $pos['start']['open'], $pos['end']['close'] - $pos['start']['open']);
  82                 $origbody = substr($origbody, $pos['end']['close']);
  83                 if ($origbody === false) {
  84                         $origbody = '';
  85                 }
  86
  87                 $subject = preg_replace($search, $replace, $subject);
  88                 $newbody .= $subject;
  89
  90                 $cnt++;
  91                 // Isn't this supposed to use $cnt value for $occurrences? - @MrPetovan
  92                 $pos = BBCode::getTagPosition($origbody, 'url', 0);
  93         }
  94         $newbody .= $origbody;
  95
  96         $cnt = 0;
  97         foreach ($images as $image) {
  98                 /*
  99                  * We're depending on the property of 'foreach' (specified on the PHP website) that
 100                  * it loops over the array starting from the first element and going sequentially
 101                  * to the last element.
 102                  */
 103                 $newbody = str_replace('[!#saved_image' . $cnt . '#!]', '[img]' . $image . '[/img]', $newbody);
 104                 $cnt++;
 105         }
 106         return $newbody;
 107 }
 108
 109 /**
 110  * Render actions localized
 111  */
 112 function localize_item(&$item) {
 113
 114         $extracted = item_extract_images($item['body']);
 115         if ($extracted['images']) {
 116                 $item['body'] = item_redir_and_replace_images($extracted['body'], $extracted['images'], $item['contact-id']);
 117         }
 118
 119         /// @Separted ???
 120         $xmlhead = "<" . "?xml version='1.0' encoding='UTF-8' ?" . ">";
 121         if (activity_match($item['verb'], ACTIVITY_LIKE)
 122                 || activity_match($item['verb'], ACTIVITY_DISLIKE)
 123                 || activity_match($item['verb'], ACTIVITY_ATTEND)
 124                 || activity_match($item['verb'], ACTIVITY_ATTENDNO)
 125                 || activity_match($item['verb'], ACTIVITY_ATTENDMAYBE)) {
 126
 127                 /// @TODO may hurt performance
 128                 $r = q("SELECT * FROM `item`, `contact`
 129                         WHERE `item`.`contact-id`=`contact`.`id`
 130                         AND `item`.`uri`='%s'",
 131                         dbesc($item['parent-uri']));
 132                 if (!DBM::is_result($r)) {
 133                         return;
 134                 }
 135                 $obj = $r[0];
 136
 137                 $author  = '[url=' . $item['author-link'] . ']' . $item['author-name'] . '[/url]';
 138                 $objauthor =  '[url=' . $obj['author-link'] . ']' . $obj['author-name'] . '[/url]';
 139
 140                 switch ($obj['verb']) {
 141                         case ACTIVITY_POST:
 142                                 switch ($obj['object-type']) {
 143                                         case ACTIVITY_OBJ_EVENT:
 144                                                 $post_type = L10n::t('event');
 145                                                 break;
 146                                         default:
 147                                                 $post_type = L10n::t('status');
 148                                 }
 149                                 break;
 150                         default:
 151                                 if ($obj['resource-id']) {
 152                                         $post_type = L10n::t('photo');
 153                                         $m = [];
 154                                         preg_match("/\[url=([^]]*)\]/", $obj['body'], $m);
 155                                         $rr['plink'] = $m[1];
 156                                 } else {
 157                                         $post_type = L10n::t('status');
 158                                 }
 159                 }
 160
 161                 $plink = '[url=' . $obj['plink'] . ']' . $post_type . '[/url]';
 162
 163                 if (activity_match($item['verb'], ACTIVITY_LIKE)) {
 164                         $bodyverb = L10n::t('%1$s likes %2$s\'s %3$s');
 165                 }
 166                 elseif (activity_match($item['verb'], ACTIVITY_DISLIKE)) {
 167                         $bodyverb = L10n::t('%1$s doesn\'t like %2$s\'s %3$s');
 168                 }
 169                 elseif (activity_match($item['verb'], ACTIVITY_ATTEND)) {
 170                         $bodyverb = L10n::t('%1$s attends %2$s\'s %3$s');
 171                 }
 172                 elseif (activity_match($item['verb'], ACTIVITY_ATTENDNO)) {
 173                         $bodyverb = L10n::t('%1$s doesn\'t attend %2$s\'s %3$s');
 174                 }
 175                 elseif (activity_match($item['verb'], ACTIVITY_ATTENDMAYBE)) {
 176                         $bodyverb = L10n::t('%1$s attends maybe %2$s\'s %3$s');
 177                 }
 178                 $item['body'] = sprintf($bodyverb, $author, $objauthor, $plink);
 179
 180         }
 181         if (activity_match($item['verb'], ACTIVITY_FRIEND)) {
 182
 183                 if ($item['object-type']=="" || $item['object-type']!== ACTIVITY_OBJ_PERSON) return;
 184
 185                 $Aname = $item['author-name'];
 186                 $Alink = $item['author-link'];
 187
 188                 $xmlhead="<"."?xml version='1.0' encoding='UTF-8' ?".">";
 189
 190                 $obj = XML::parseString($xmlhead.$item['object']);
 191                 $links = XML::parseString($xmlhead."<links>".unxmlify($obj->link)."</links>");
 192
 193                 $Bname = $obj->title;
 194                 $Blink = ""; $Bphoto = "";
 195                 foreach ($links->link as $l) {
 196                         $atts = $l->attributes();
 197                         switch ($atts['rel']) {
 198                                 case "alternate": $Blink = $atts['href'];
 199                                 case "photo": $Bphoto = $atts['href'];
 200                         }
 201                 }
 202
 203                 $A = '[url=' . Profile::zrl($Alink) . ']' . $Aname . '[/url]';
 204                 $B = '[url=' . Profile::zrl($Blink) . ']' . $Bname . '[/url]';
 205                 if ($Bphoto != "") {
 206                         $Bphoto = '[url=' . Profile::zrl($Blink) . '][img]' . $Bphoto . '[/img][/url]';
 207                 }
 208
 209                 $item['body'] = L10n::t('%1$s is now friends with %2$s', $A, $B)."\n\n\n".$Bphoto;
 210
 211         }
 212         if (stristr($item['verb'], ACTIVITY_POKE)) {
 213                 $verb = urldecode(substr($item['verb'],strpos($item['verb'],'#')+1));
 214                 if (!$verb) {
 215                         return;
 216                 }
 217                 if ($item['object-type']=="" || $item['object-type']!== ACTIVITY_OBJ_PERSON) {
 218                         return;
 219                 }
 220
 221                 $Aname = $item['author-name'];
 222                 $Alink = $item['author-link'];
 223
 224                 $xmlhead = "<" . "?xml version='1.0' encoding='UTF-8' ?" . ">";
 225
 226                 $obj = XML::parseString($xmlhead.$item['object']);
 227                 $links = XML::parseString($xmlhead."<links>".unxmlify($obj->link)."</links>");
 228
 229                 $Bname = $obj->title;
 230                 $Blink = "";
 231                 $Bphoto = "";
 232                 foreach ($links->link as $l) {
 233                         $atts = $l->attributes();
 234                         switch ($atts['rel']) {
 235                                 case "alternate": $Blink = $atts['href'];
 236                                 case "photo": $Bphoto = $atts['href'];
 237                         }
 238                 }
 239
 240                 $A = '[url=' . Profile::zrl($Alink) . ']' . $Aname . '[/url]';
 241                 $B = '[url=' . Profile::zrl($Blink) . ']' . $Bname . '[/url]';
 242                 if ($Bphoto != "") {
 243                         $Bphoto = '[url=' . Profile::zrl($Blink) . '][img=80x80]' . $Bphoto . '[/img][/url]';
 244                 }
 245
 246                 /*
 247                  * we can't have a translation string with three positions but no distinguishable text
 248                  * So here is the translate string.
 249                  */
 250                 $txt = L10n::t('%1$s poked %2$s');
 251
 252                 // now translate the verb
 253                 $poked_t = trim(sprintf($txt, "", ""));
 254                 $txt = str_replace( $poked_t, L10n::t($verb), $txt);
 255
 256                 // then do the sprintf on the translation string
 257
 258                 $item['body'] = sprintf($txt, $A, $B). "\n\n\n" . $Bphoto;
 259
 260         }
 261
 262         if (activity_match($item['verb'], ACTIVITY_TAG)) {
 263                 /// @TODO may hurt performance "joining" two tables + asterisk
 264                 $r = q("SELECT * FROM `item`, `contact`
 265                         WHERE `item`.`contact-id`=`contact`.`id`
 266                         AND `item`.`uri`='%s'",
 267                         dbesc($item['parent-uri']));
 268
 269                 if (!DBM::is_result($r)) {
 270                         return;
 271                 }
 272
 273                 $obj = $r[0];
 274
 275                 $author  = '[url=' . Profile::zrl($item['author-link']) . ']' . $item['author-name'] . '[/url]';
 276                 $objauthor =  '[url=' . Profile::zrl($obj['author-link']) . ']' . $obj['author-name'] . '[/url]';
 277
 278                 switch ($obj['verb']) {
 279                         case ACTIVITY_POST:
 280                                 switch ($obj['object-type']) {
 281                                         case ACTIVITY_OBJ_EVENT:
 282                                                 $post_type = L10n::t('event');
 283                                                 break;
 284                                         default:
 285                                                 $post_type = L10n::t('status');
 286                                 }
 287                                 break;
 288                         default:
 289                                 if ($obj['resource-id']) {
 290                                         $post_type = L10n::t('photo');
 291                                         $m=[]; preg_match("/\[url=([^]]*)\]/", $obj['body'], $m);
 292                                         $rr['plink'] = $m[1];
 293                                 } else {
 294                                         $post_type = L10n::t('status');
 295                                 }
 296                                 // Let's break everthing ... ;-)
 297                                 break;
 298                 }
 299                 $plink = '[url=' . $obj['plink'] . ']' . $post_type . '[/url]';
 300
 301                 $parsedobj = XML::parseString($xmlhead.$item['object']);
 302
 303                 $tag = sprintf('#[url=%s]%s[/url]', $parsedobj->id, $parsedobj->content);
 304                 $item['body'] = L10n::t('%1$s tagged %2$s\'s %3$s with %4$s', $author, $objauthor, $plink, $tag );
 305
 306         }
 307         if (activity_match($item['verb'], ACTIVITY_FAVORITE)) {
 308
 309                 if ($item['object-type'] == "") {
 310                         return;
 311                 }
 312
 313                 $Aname = $item['author-name'];
 314                 $Alink = $item['author-link'];
 315
 316                 $xmlhead = "<" . "?xml version='1.0' encoding='UTF-8' ?" . ">";
 317
 318                 $obj = XML::parseString($xmlhead.$item['object']);
 319                 if (strlen($obj->id)) {
 320                         $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 321                                         dbesc($obj->id),
 322                                         intval($item['uid'])
 323                         );
 324
 325                         if (DBM::is_result($r) && $r[0]['plink']) {
 326                                 $target = $r[0];
 327                                 $Bname = $target['author-name'];
 328                                 $Blink = $target['author-link'];
 329                                 $A = '[url=' . Profile::zrl($Alink) . ']' . $Aname . '[/url]';
 330                                 $B = '[url=' . Profile::zrl($Blink) . ']' . $Bname . '[/url]';
 331                                 $P = '[url=' . $target['plink'] . ']' . L10n::t('post/item') . '[/url]';
 332                                 $item['body'] = L10n::t('%1$s marked %2$s\'s %3$s as favorite', $A, $B, $P)."\n";
 333                         }
 334                 }
 335         }
 336         $matches = null;
 337         if (preg_match_all('/@\[url=(.*?)\]/is', $item['body'], $matches, PREG_SET_ORDER)) {
 338                 foreach ($matches as $mtch) {
 339                         if (!strpos($mtch[1], 'zrl=')) {
 340                                 $item['body'] = str_replace($mtch[0], '@[url=' . Profile::zrl($mtch[1]) . ']', $item['body']);
 341                         }
 342                 }
 343         }
 344
 345         // add zrl's to public images
 346         $photo_pattern = "/\[url=(.*?)\/photos\/(.*?)\/image\/(.*?)\]\[img(.*?)\]h(.*?)\[\/img\]\[\/url\]/is";
 347         if (preg_match($photo_pattern, $item['body'])) {
 348                 $photo_replace = '[url=' . Profile::zrl('$1' . '/photos/' . '$2' . '/image/' . '$3' ,true) . '][img' . '$4' . ']h' . '$5'  . '[/img][/url]';
 349                 $item['body'] = BBCode::pregReplaceInTag($photo_pattern, $photo_replace, 'url', $item['body']);
 350         }
 351
 352         // add sparkle links to appropriate permalinks
 353
 354         $x = stristr($item['plink'],'/display/');
 355         if ($x) {
 356                 $sparkle = false;
 357                 $y = best_link_url($item, $sparkle);
 358
 359                 if (strstr($y, '/redir/')) {
 360                         $item['plink'] = $y . '?f=&url=' . $item['plink'];
 361                 }
 362         }
 363 }
 364
 365 /**
 366  * Count the total of comments on this item and its desendants
 367  * @TODO proper type-hint + doc-tag
 368  */
 369 function count_descendants($item) {
 370         $total = count($item['children']);
 371
 372         if ($total > 0) {
 373                 foreach ($item['children'] as $child) {
 374                         if (!visible_activity($child)) {
 375                                 $total --;
 376                         }
 377                         $total += count_descendants($child);
 378                 }
 379         }
 380
 381         return $total;
 382 }
 383
 384 function visible_activity($item) {
 385
 386         /*
 387          * likes (etc.) can apply to other things besides posts. Check if they are post children,
 388          * in which case we handle them specially
 389          */
 390         $hidden_activities = [ACTIVITY_LIKE, ACTIVITY_DISLIKE, ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
 391         foreach ($hidden_activities as $act) {
 392                 if (activity_match($item['verb'], $act)) {
 393                         return false;
 394                 }
 395         }
 396
 397         if (activity_match($item['verb'], ACTIVITY_FOLLOW) && $item['object-type'] === ACTIVITY_OBJ_NOTE) {
 398                 if (!($item['self'] && ($item['uid'] == local_user()))) {
 399                         return false;
 400                 }
 401         }
 402
 403         return true;
 404 }
 405
 406 /**
 407  * @brief SQL query for items
 408  */
 409 function item_query() {
 410         return "SELECT " . item_fieldlists() . " FROM `item` " .
 411                 item_joins() . " WHERE " . item_condition();
 412 }
 413
 414 /**
 415  * @brief List of all data fields that are needed for displaying items
 416  */
 417 function item_fieldlists() {
 418
 419 /*
 420 These Fields are not added below (yet). They are here to for bug search.
 421 `item`.`type`,
 422 `item`.`extid`,
 423 `item`.`changed`,
 424 `item`.`moderated`,
 425 `item`.`target-type`,
 426 `item`.`target`,
 427 `item`.`resource-id`,
 428 `item`.`tag`,
 429 `item`.`inform`,
 430 `item`.`pubmail`,
 431 `item`.`visible`,
 432 `item`.`spam`,
 433 `item`.`bookmark`,
 434 `item`.`unseen`,
 435 `item`.`deleted`,
 436 `item`.`origin`,
 437 `item`.`forum_mode`,
 438 `item`.`mention`,
 439 `item`.`global`,
 440 `item`.`shadow`,
 441 */
 442
 443         return "`item`.`author-id`, `item`.`author-link`, `item`.`author-name`, `item`.`author-avatar`,
 444                 `item`.`owner-id`, `item`.`owner-link`, `item`.`owner-name`, `item`.`owner-avatar`,
 445                 `item`.`contact-id`, `item`.`uid`, `item`.`id`, `item`.`parent`,
 446                 `item`.`uri`, `item`.`thr-parent`, `item`.`parent-uri`, `item`.`content-warning`,
 447                 `item`.`commented`, `item`.`created`, `item`.`edited`, `item`.`received`,
 448                 `item`.`verb`, `item`.`object-type`, `item`.`postopts`, `item`.`plink`,
 449                 `item`.`guid`, `item`.`wall`, `item`.`private`, `item`.`starred`,
 450                 `item`.`title`, `item`.`body`, `item`.`file`, `item`.`event-id`,
 451                 `item`.`location`, `item`.`coord`, `item`.`app`, `item`.`attach`,
 452                 `item`.`rendered-hash`, `item`.`rendered-html`, `item`.`object`,
 453                 `item`.`allow_cid`, `item`.`allow_gid`, `item`.`deny_cid`, `item`.`deny_gid`,
 454                 `item`.`id` AS `item_id`, `item`.`network` AS `item_network`,
 455
 456                 `author`.`thumb` AS `author-thumb`, `owner`.`thumb` AS `owner-thumb`,
 457
 458                 `contact`.`network`, `contact`.`url`, `contact`.`name`, `contact`.`writable`,
 459                 `contact`.`self`, `contact`.`id` AS `cid`, `contact`.`alias`,
 460
 461                 `event`.`created` AS `event-created`, `event`.`edited` AS `event-edited`,
 462                 `event`.`start` AS `event-start`,`event`.`finish` AS `event-finish`,
 463                 `event`.`summary` AS `event-summary`,`event`.`desc` AS `event-desc`,
 464                 `event`.`location` AS `event-location`, `event`.`type` AS `event-type`,
 465                 `event`.`nofinish` AS `event-nofinish`,`event`.`adjust` AS `event-adjust`,
 466                 `event`.`ignore` AS `event-ignore`, `event`.`id` AS `event-id`";
 467 }
 468
 469 /**
 470  * @brief SQL join for contacts that are needed for displaying items
 471  */
 472 function item_joins() {
 473         return sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
 474                 AND (`contact`.`rel` IN (%s, %s) OR `contact`.`self`)
 475                 AND NOT (`contact`.`blocked` OR `contact`.`readonly` OR `contact`.`pending`)
 476                 LEFT JOIN `contact` AS `author` ON `author`.`id`=`item`.`author-id`
 477                 LEFT JOIN `contact` AS `owner` ON `owner`.`id`=`item`.`owner-id`
 478                 LEFT JOIN `event` ON `event-id` = `event`.`id`",
 479                 CONTACT_IS_SHARING, CONTACT_IS_FRIEND
 480         );
 481 }
 482
 483 /**
 484  * @brief SQL condition for items that are needed for displaying items
 485  */
 486 function item_condition() {
 487         return "`item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`";
 488 }
 489
 490 /**
 491  * "Render" a conversation or list of items for HTML display.
 492  * There are two major forms of display:
 493  *      - Sequential or unthreaded ("New Item View" or search results)
 494  *      - conversation view
 495  * The $mode parameter decides between the various renderings and also
 496  * figures out how to determine page owner and other contextual items
 497  * that are based on unique features of the calling module.
 498  *
 499  */
 500 function conversation(App $a, $items, $mode, $update, $preview = false, $order = 'commented') {
 501         require_once 'mod/proxy.php';
 502
 503         $ssl_state = ((local_user()) ? true : false);
 504
 505         $profile_owner = 0;
 506         $live_update_div = '';
 507
 508         $arr_blocked = null;
 509
 510         if (local_user()) {
 511                 $str_blocked = PConfig::get(local_user(), 'system', 'blocked');
 512                 if ($str_blocked) {
 513                         $arr_blocked = explode(',', $str_blocked);
 514                         for ($x = 0; $x < count($arr_blocked); $x ++) {
 515                                 $arr_blocked[$x] = trim($arr_blocked[$x]);
 516                         }
 517                 }
 518
 519         }
 520
 521         $previewing = (($preview) ? ' preview ' : '');
 522
 523         if ($mode === 'network') {
 524                 $items = conversation_add_children($items, false, $order);
 525                 $profile_owner = local_user();
 526                 if (!$update) {
 527                         /*
 528                          * The special div is needed for liveUpdate to kick in for this page.
 529                          * We only launch liveUpdate if you aren't filtering in some incompatible
 530                          * way and also you aren't writing a comment (discovered in javascript).
 531                          */
 532                         $live_update_div = '<div id="live-network"></div>' . "\r\n"
 533                                 . "<script> var profile_uid = " . $_SESSION['uid']
 534                                 . "; var netargs = '" . substr($a->cmd, 8)
 535                                 . '?f='
 536                                 . ((x($_GET, 'cid'))    ? '&cid='    . $_GET['cid']    : '')
 537                                 . ((x($_GET, 'search')) ? '&search=' . $_GET['search'] : '')
 538                                 . ((x($_GET, 'star'))   ? '&star='   . $_GET['star']   : '')
 539                                 . ((x($_GET, 'order'))  ? '&order='  . $_GET['order']  : '')
 540                                 . ((x($_GET, 'bmark'))  ? '&bmark='  . $_GET['bmark']  : '')
 541                                 . ((x($_GET, 'liked'))  ? '&liked='  . $_GET['liked']  : '')
 542                                 . ((x($_GET, 'conv'))   ? '&conv='   . $_GET['conv']   : '')
 543                                 . ((x($_GET, 'spam'))   ? '&spam='   . $_GET['spam']   : '')
 544                                 . ((x($_GET, 'nets'))   ? '&nets='   . $_GET['nets']   : '')
 545                                 . ((x($_GET, 'cmin'))   ? '&cmin='   . $_GET['cmin']   : '')
 546                                 . ((x($_GET, 'cmax'))   ? '&cmax='   . $_GET['cmax']   : '')
 547                                 . ((x($_GET, 'file'))   ? '&file='   . $_GET['file']   : '')
 548
 549                                 . "'; var profile_page = " . $a->pager['page'] . "; </script>\r\n";
 550                 }
 551         } elseif ($mode === 'profile') {
 552                 $profile_owner = $a->profile['profile_uid'];
 553
 554                 if (!$update) {
 555                         $tab = 'posts';
 556                         if (x($_GET, 'tab')) {
 557                                 $tab = notags(trim($_GET['tab']));
 558                         }
 559                         if ($tab === 'posts') {
 560                                 /*
 561                                  * This is ugly, but we can't pass the profile_uid through the session to the ajax updater,
 562                                  * because browser prefetching might change it on us. We have to deliver it with the page.
 563                                  */
 564
 565                                 $live_update_div = '<div id="live-profile"></div>' . "\r\n"
 566                                         . "<script> var profile_uid = " . $a->profile['profile_uid']
 567                                         . "; var netargs = '?f='; var profile_page = " . $a->pager['page'] . "; </script>\r\n";
 568                         }
 569                 }
 570         } elseif ($mode === 'notes') {
 571                 $profile_owner = local_user();
 572                 if (!$update) {
 573                         $live_update_div = '<div id="live-notes"></div>' . "\r\n"
 574                                 . "<script> var profile_uid = " . local_user()
 575                                 . "; var netargs = '/?f='; var profile_page = " . $a->pager['page'] . "; </script>\r\n";
 576                 }
 577         } elseif ($mode === 'display') {
 578                 $profile_owner = $a->profile['uid'];
 579                 if (!$update) {
 580                         $live_update_div = '<div id="live-display"></div>' . "\r\n"
 581                                 . "<script> var profile_uid = " . $_SESSION['uid'] . ";"
 582                                 . " var profile_page = 1; </script>";
 583                 }
 584         } elseif ($mode === 'community') {
 585                 $items = conversation_add_children($items, true, $order);
 586                 $profile_owner = 0;
 587                 if (!$update) {
 588                         $live_update_div = '<div id="live-community"></div>' . "\r\n"
 589                                 . "<script> var profile_uid = -1; var netargs = '" . substr($a->cmd, 10)
 590                                 ."/?f='; var profile_page = " . $a->pager['page'] . "; </script>\r\n";
 591                 }
 592         } elseif ($mode === 'search') {
 593                 $live_update_div = '<div id="live-search"></div>' . "\r\n";
 594         }
 595
 596         $page_dropping = ((local_user() && local_user() == $profile_owner) ? true : false);
 597
 598         if (!$update) {
 599                 $_SESSION['return_url'] = $a->query_string;
 600         }
 601
 602         $cb = ['items' => $items, 'mode' => $mode, 'update' => $update, 'preview' => $preview];
 603         Addon::callHooks('conversation_start',$cb);
 604
 605         $items = $cb['items'];
 606
 607         $conv_responses = [
 608                 'like' => ['title' => L10n::t('Likes','title')], 'dislike' => ['title' => L10n::t('Dislikes','title')],
 609                 'attendyes' => ['title' => L10n::t('Attending','title')], 'attendno' => ['title' => L10n::t('Not attending','title')], 'attendmaybe' => ['title' => L10n::t('Might attend','title')]
 610         ];
 611
 612         // array with html for each thread (parent+comments)
 613         $threads = [];
 614         $threadsid = -1;
 615
 616         $page_template = get_markup_template("conversation.tpl");
 617
 618         if ($items && count($items)) {
 619                 if ($mode === 'community') {
 620                         $writable = true;
 621                 } else {
 622                         $writable = ($items[0]['uid'] == 0) && in_array($items[0]['network'], [NETWORK_OSTATUS, NETWORK_DIASPORA, NETWORK_DFRN]);
 623                 }
 624
 625                 if (!local_user()) {
 626                         $writable = false;
 627                 }
 628
 629                 if (in_array($mode, ['network-new', 'search', 'contact-posts'])) {
 630
 631                         /*
 632                          * "New Item View" on network page or search page results
 633                          * - just loop through the items and format them minimally for display
 634                          */
 635
 636                         $tpl = 'search_item.tpl';
 637
 638                         foreach ($items as $item) {
 639
 640                                 if (!visible_activity($item)) {
 641                                         continue;
 642                                 }
 643
 644                                 if ($arr_blocked) {
 645                                         $blocked = false;
 646                                         foreach ($arr_blocked as $b) {
 647                                                 if ($b && link_compare($item['author-link'], $b)) {
 648                                                         $blocked = true;
 649                                                         break;
 650                                                 }
 651                                         }
 652                                         if ($blocked) {
 653                                                 continue;
 654                                         }
 655                                 }
 656
 657
 658                                 $threadsid++;
 659
 660                                 $owner_url   = '';
 661                                 $owner_name  = '';
 662                                 $sparkle     = '';
 663
 664                                 // prevent private email from leaking.
 665                                 if ($item['network'] === NETWORK_MAIL && local_user() != $item['uid']) {
 666                                         continue;
 667                                 }
 668
 669                                 $profile_name = (strlen($item['author-name']) ? $item['author-name'] : $item['name']);
 670                                 if ($item['author-link'] && !$item['author-name']) {
 671                                         $profile_name = $item['author-link'];
 672                                 }
 673
 674                                 $tags = \Friendica\Model\Term::populateTagsFromItem($item);
 675
 676                                 $sp = false;
 677                                 $profile_link = best_link_url($item, $sp);
 678                                 if ($profile_link === 'mailbox') {
 679                                         $profile_link = '';
 680                                 }
 681
 682                                 if ($sp) {
 683                                         $sparkle = ' sparkle';
 684                                 } else {
 685                                         $profile_link = Profile::zrl($profile_link);
 686                                 }
 687
 688                                 if (!x($item, 'author-thumb') || ($item['author-thumb'] == "")) {
 689                                         $author_contact = Contact::getDetailsByURL($item['author-link'], $profile_owner);
 690                                         if ($author_contact["thumb"]) {
 691                                                 $item['author-thumb'] = $author_contact["thumb"];
 692                                         } else {
 693                                                 $item['author-thumb'] = $item['author-avatar'];
 694                                         }
 695                                 }
 696
 697                                 if (!isset($item['owner-thumb']) || ($item['owner-thumb'] == "")) {
 698                                         $owner_contact = Contact::getDetailsByURL($item['owner-link'], $profile_owner);
 699                                         if ($owner_contact["thumb"]) {
 700                                                 $item['owner-thumb'] = $owner_contact["thumb"];
 701                                         } else {
 702                                                 $item['owner-thumb'] = $item['owner-avatar'];
 703                                         }
 704                                 }
 705
 706                                 $locate = ['location' => $item['location'], 'coord' => $item['coord'], 'html' => ''];
 707                                 Addon::callHooks('render_location',$locate);
 708
 709                                 $location = ((strlen($locate['html'])) ? $locate['html'] : render_location_dummy($locate));
 710
 711                                 localize_item($item);
 712                                 if ($mode === 'network-new') {
 713                                         $dropping = true;
 714                                 } else {
 715                                         $dropping = false;
 716                                 }
 717
 718                                 $drop = [
 719                                         'dropping' => $dropping,
 720                                         'pagedrop' => $page_dropping,
 721                                         'select' => L10n::t('Select'),
 722                                         'delete' => L10n::t('Delete'),
 723                                 ];
 724
 725                                 $star = false;
 726                                 $isstarred = "unstarred";
 727
 728                                 $lock = false;
 729                                 $likebuttons = false;
 730
 731                                 $body = prepare_body($item, true, $preview);
 732
 733                                 list($categories, $folders) = get_cats_and_terms($item);
 734
 735                                 $profile_name_e = $profile_name;
 736
 737                                 if (!empty($item['content-warning']) && PConfig::get(local_user(), 'system', 'disable_cw', false)) {
 738                                         $title_e = ucfirst($item['content-warning']);
 739                                 } else {
 740                                         $title_e = $item['title'];
 741                                 }
 742
 743                                 $body_e = $body;
 744                                 $tags_e = $tags['tags'];
 745                                 $hashtags_e = $tags['hashtags'];
 746                                 $mentions_e = $tags['mentions'];
 747                                 $location_e = $location;
 748                                 $owner_name_e = $owner_name;
 749
 750                                 if ($item['item_network'] == "") {
 751                                         $item['item_network'] = $item['network'];
 752                                 }
 753
 754                                 $tmp_item = [
 755                                         'template' => $tpl,
 756                                         'id' => (($preview) ? 'P0' : $item['item_id']),
 757                                         'guid' => (($preview) ? 'Q0' : $item['guid']),
 758                                         'network' => $item['item_network'],
 759                                         'network_name' => ContactSelector::networkToName($item['item_network'], $profile_link),
 760                                         'linktitle' => L10n::t('View %s\'s profile @ %s', $profile_name, ((strlen($item['author-link'])) ? $item['author-link'] : $item['url'])),
 761                                         'profile_url' => $profile_link,
 762                                         'item_photo_menu' => item_photo_menu($item),
 763                                         'name' => $profile_name_e,
 764                                         'sparkle' => $sparkle,
 765                                         'lock' => $lock,
 766                                         'thumb' => System::removedBaseUrl(proxy_url($item['author-thumb'], false, PROXY_SIZE_THUMB)),
 767                                         'title' => $title_e,
 768                                         'body' => $body_e,
 769                                         'tags' => $tags_e,
 770                                         'hashtags' => $hashtags_e,
 771                                         'mentions' => $mentions_e,
 772                                         'txt_cats' => L10n::t('Categories:'),
 773                                         'txt_folders' => L10n::t('Filed under:'),
 774                                         'has_cats' => ((count($categories)) ? 'true' : ''),
 775                                         'has_folders' => ((count($folders)) ? 'true' : ''),
 776                                         'categories' => $categories,
 777                                         'folders' => $folders,
 778                                         'text' => strip_tags($body_e),
 779                                         'localtime' => DateTimeFormat::local($item['created'], 'r'),
 780                                         'ago' => (($item['app']) ? L10n::t('%s from %s', Temporal::getRelativeDate($item['created']),$item['app']) : Temporal::getRelativeDate($item['created'])),
 781                                         'location' => $location_e,
 782                                         'indent' => '',
 783                                         'owner_name' => $owner_name_e,
 784                                         'owner_url' => $owner_url,
 785                                         'owner_photo' => System::removedBaseUrl(proxy_url($item['owner-thumb'], false, PROXY_SIZE_THUMB)),
 786                                         'plink' => get_plink($item),
 787                                         'edpost' => false,
 788                                         'isstarred' => $isstarred,
 789                                         'star' => $star,
 790                                         'drop' => $drop,
 791                                         'vote' => $likebuttons,
 792                                         'like' => '',
 793                                         'dislike' => '',
 794                                         'comment' => '',
 795                                         'conv' => (($preview) ? '' : ['href'=> 'display/'.$item['guid'], 'title'=> L10n::t('View in context')]),
 796                                         'previewing' => $previewing,
 797                                         'wait' => L10n::t('Please wait'),
 798                                         'thread_level' => 1,
 799                                 ];
 800
 801                                 $arr = ['item' => $item, 'output' => $tmp_item];
 802                                 Addon::callHooks('display_item', $arr);
 803
 804                                 $threads[$threadsid]['id'] = $item['item_id'];
 805                                 $threads[$threadsid]['network'] = $item['item_network'];
 806                                 $threads[$threadsid]['items'] = [$arr['output']];
 807
 808                         }
 809                 } else {
 810                         // Normal View
 811                         $page_template = get_markup_template("threaded_conversation.tpl");
 812
 813                         $conv = new Thread($mode, $preview, $writable);
 814
 815                         /*
 816                          * get all the topmost parents
 817                          * this shouldn't be needed, as we should have only them in our array
 818                          * But for now, this array respects the old style, just in case
 819                          */
 820                         foreach ($items as $item) {
 821                                 if ($arr_blocked) {
 822                                         $blocked = false;
 823                                         foreach ($arr_blocked as $b) {
 824                                                 if ($b && link_compare($item['author-link'], $b)) {
 825                                                         $blocked = true;
 826                                                         break;
 827                                                 }
 828                                         }
 829                                         if ($blocked) {
 830                                                 continue;
 831                                         }
 832                                 }
 833
 834                                 // Can we put this after the visibility check?
 835                                 builtin_activity_puller($item, $conv_responses);
 836
 837                                 // Only add what is visible
 838                                 if ($item['network'] === NETWORK_MAIL && local_user() != $item['uid']) {
 839                                         continue;
 840                                 }
 841
 842                                 if (!visible_activity($item)) {
 843                                         continue;
 844                                 }
 845
 846                                 Addon::callHooks('display_item', $arr);
 847
 848                                 $item['pagedrop'] = $page_dropping;
 849
 850                                 if ($item['id'] == $item['parent']) {
 851                                         $item_object = new Post($item);
 852                                         $conv->addParent($item_object);
 853                                 }
 854                         }
 855
 856                         $threads = $conv->getTemplateData($conv_responses);
 857                         if (!$threads) {
 858                                 logger('[ERROR] conversation : Failed to get template data.', LOGGER_DEBUG);
 859                                 $threads = [];
 860                         }
 861                 }
 862         }
 863
 864         $o = replace_macros($page_template, [
 865                 '$baseurl' => System::baseUrl($ssl_state),
 866                 '$return_path' => $a->query_string,
 867                 '$live_update' => $live_update_div,
 868                 '$remove' => L10n::t('remove'),
 869                 '$mode' => $mode,
 870                 '$user' => $a->user,
 871                 '$threads' => $threads,
 872                 '$dropping' => ($page_dropping && Feature::isEnabled(local_user(), 'multi_delete') ? L10n::t('Delete Selected Items') : False),
 873         ]);
 874
 875         return $o;
 876 }
 877
 878 /**
 879  * @brief Add comments to top level entries that had been fetched before
 880  *
 881  * The system will fetch the comments for the local user whenever possible.
 882  * This behaviour is currently needed to allow commenting on Friendica posts.
 883  *
 884  * @param array $parents Parent items
 885  *
 886  * @return array items with parents and comments
 887  */
 888 function conversation_add_children($parents, $block_authors, $order) {
 889         $max_comments = Config::get('system', 'max_comments', 100);
 890
 891         if ($max_comments > 0) {
 892                 $limit = ' LIMIT '.intval($max_comments + 1);
 893         } else {
 894                 $limit = '';
 895         }
 896
 897         $items = [];
 898
 899         $block_sql = $block_authors ? "AND NOT `author`.`hidden` AND NOT `author`.`blocked`" : "";
 900
 901         foreach ($parents AS $parent) {
 902                 $thread_items = dba::p(item_query()." AND `item`.`uid` = ?
 903                         AND `item`.`parent-uri` = ? $block_sql
 904                         ORDER BY `item`.`commented` DESC" . $limit,
 905                         local_user(),
 906                         $parent['uri']
 907                 );
 908                 $comments = dba::inArray($thread_items);
 909
 910                 // Check if the original item is in the result.
 911                 // When commenting from the community page there can be incomplete threads
 912                 if (count($comments) > 0) {
 913                         $parent_found = false;
 914                         foreach ($comments as $comment) {
 915                                 if ($comment['uri'] == $comment['parent-uri']) {
 916                                         $parent_found = true;
 917                                         break;
 918                                 }
 919                         }
 920                         if (!$parent_found) {
 921                                 $comments = [];
 922                         }
 923                 }
 924
 925                 if (count($comments) == 0) {
 926                         $thread_items = dba::p(item_query()." AND `item`.`uid` = 0
 927                                 AND `item`.`parent-uri` = ?
 928                                 ORDER BY `item`.`commented` DESC LIMIT ".intval($max_comments + 1),
 929                                 $parent['uri']
 930                         );
 931                         $comments = dba::inArray($thread_items);
 932                 }
 933
 934                 if (count($comments) != 0) {
 935                         $items = array_merge($items, $comments);
 936                 }
 937         }
 938
 939         foreach ($items as $index => $item) {
 940                 if ($item['uid'] == 0) {
 941                         $items[$index]['writable'] = in_array($item['network'], [NETWORK_OSTATUS, NETWORK_DIASPORA, NETWORK_DFRN]);
 942                 }
 943         }
 944
 945         $items = conv_sort($items, $order);
 946
 947         return $items;
 948 }
 949
 950 function best_link_url($item, &$sparkle, $url = '') {
 951
 952         $best_url = '';
 953         $sparkle  = false;
 954
 955         $clean_url = normalise_link($item['author-link']);
 956
 957         if (local_user()) {
 958                 $condition = [
 959                         'network' => NETWORK_DFRN,
 960                         'uid' => local_user(),
 961                         'nurl' => normalise_link($clean_url),
 962                         'pending' => false
 963                 ];
 964                 $contact = dba::selectFirst('contact', ['id'], $condition);
 965                 if (DBM::is_result($contact)) {
 966                         $best_url = 'redir/' . $contact['id'];
 967                         $sparkle = true;
 968                         if ($url != '') {
 969                                 $hostname = get_app()->get_hostname();
 970                                 if (!strstr($url, $hostname)) {
 971                                         $best_url .= "?url=".$url;
 972                                 } else {
 973                                         $best_url = $url;
 974                                 }
 975                         }
 976                 }
 977         }
 978         if (!$best_url) {
 979                 if ($url != '') {
 980                         $best_url = $url;
 981                 } elseif (strlen($item['author-link'])) {
 982                         $best_url = $item['author-link'];
 983                 } else {
 984                         $best_url = $item['url'];
 985                 }
 986         }
 987
 988         return $best_url;
 989 }
 990
 991
 992 function item_photo_menu($item) {
 993         $sub_link = '';
 994         $poke_link = '';
 995         $contact_url = '';
 996         $pm_url = '';
 997         $status_link = '';
 998         $photos_link = '';
 999         $posts_link = '';
1000
1001         if (local_user() && local_user() == $item['uid'] && $item['parent'] == $item['id'] && !$item['self']) {
1002                 $sub_link = 'javascript:dosubthread(' . $item['id'] . '); return false;';
1003         }
1004
1005         $sparkle = false;
1006         $profile_link = best_link_url($item, $sparkle);
1007         if ($profile_link === 'mailbox') {
1008                 $profile_link = '';
1009         }
1010
1011         $cid = 0;
1012         $network = '';
1013         $rel = 0;
1014         $condition = ['uid' => local_user(), 'nurl' => normalise_link($item['author-link'])];
1015         $contact = dba::selectFirst('contact', ['id', 'network', 'rel'], $condition);
1016         if (DBM::is_result($contact)) {
1017                 $cid = $contact['id'];
1018                 $network = $contact['network'];
1019                 $rel = $contact['rel'];
1020         }
1021
1022         if ($sparkle) {
1023                 $status_link = $profile_link . '?url=status';
1024                 $photos_link = $profile_link . '?url=photos';
1025                 $profile_link = $profile_link . '?url=profile';
1026         } else {
1027                 $profile_link = Profile::zrl($profile_link);
1028         }
1029
1030         if ($cid && !$item['self']) {
1031                 $poke_link = 'poke/?f=&c=' . $cid;
1032                 $contact_url = 'contacts/' . $cid;
1033                 $posts_link = 'contacts/' . $cid . '/posts';
1034
1035                 if (in_array($network, [NETWORK_DFRN, NETWORK_DIASPORA])) {
1036                         $pm_url = 'message/new/' . $cid;
1037                 }
1038         }
1039
1040         if (local_user()) {
1041                 $menu = [
1042                         L10n::t('Follow Thread') => $sub_link,
1043                         L10n::t('View Status') => $status_link,
1044                         L10n::t('View Profile') => $profile_link,
1045                         L10n::t('View Photos') => $photos_link,
1046                         L10n::t('Network Posts') => $posts_link,
1047                         L10n::t('View Contact') => $contact_url,
1048                         L10n::t('Send PM') => $pm_url
1049                 ];
1050
1051                 if ($network == NETWORK_DFRN) {
1052                         $menu[L10n::t("Poke")] = $poke_link;
1053                 }
1054
1055                 if ((($cid == 0) || ($rel == CONTACT_IS_FOLLOWER)) &&
1056                         in_array($item['network'], [NETWORK_DFRN, NETWORK_OSTATUS, NETWORK_DIASPORA])) {
1057                         $menu[L10n::t('Connect/Follow')] = 'follow?url=' . urlencode($item['author-link']);
1058                 }
1059         } else {
1060                 $menu = [L10n::t('View Profile') => $item['author-link']];
1061         }
1062
1063         $args = ['item' => $item, 'menu' => $menu];
1064
1065         Addon::callHooks('item_photo_menu', $args);
1066
1067         $menu = $args['menu'];
1068
1069         $o = '';
1070         foreach ($menu as $k => $v) {
1071                 if (strpos($v, 'javascript:') === 0) {
1072                         $v = substr($v, 11);
1073                         $o .= '<li role="menuitem"><a onclick="' . $v . '">' . $k . '</a></li>' . PHP_EOL;
1074                 } elseif ($v!='') {
1075                         $o .= '<li role="menuitem"><a href="' . $v . '">' . $k . '</a></li>' . PHP_EOL;
1076                 }
1077         }
1078         return $o;
1079 }
1080
1081 /**
1082  * @brief Checks item to see if it is one of the builtin activities (like/dislike, event attendance, consensus items, etc.)
1083  * Increments the count of each matching activity and adds a link to the author as needed.
1084  *
1085  * @param array $item
1086  * @param array &$conv_responses (already created with builtin activity structure)
1087  * @return void
1088  */
1089 function builtin_activity_puller($item, &$conv_responses) {
1090         foreach ($conv_responses as $mode => $v) {
1091                 $url = '';
1092                 $sparkle = '';
1093
1094                 switch ($mode) {
1095                         case 'like':
1096                                 $verb = ACTIVITY_LIKE;
1097                                 break;
1098                         case 'dislike':
1099                                 $verb = ACTIVITY_DISLIKE;
1100                                 break;
1101                         case 'attendyes':
1102                                 $verb = ACTIVITY_ATTEND;
1103                                 break;
1104                         case 'attendno':
1105                                 $verb = ACTIVITY_ATTENDNO;
1106                                 break;
1107                         case 'attendmaybe':
1108                                 $verb = ACTIVITY_ATTENDMAYBE;
1109                                 break;
1110                         default:
1111                                 return;
1112                 }
1113
1114                 if (activity_match($item['verb'], $verb) && ($item['id'] != $item['parent'])) {
1115                         $url = $item['author-link'];
1116                         if (local_user() && (local_user() == $item['uid']) && ($item['network'] === NETWORK_DFRN) && !$item['self'] && link_compare($item['author-link'], $item['url'])) {
1117                                 $url = 'redir/' . $item['contact-id'];
1118                                 $sparkle = ' class="sparkle" ';
1119                         } else {
1120                                 $url = Profile::zrl($url);
1121                         }
1122
1123                         $url = '<a href="'. $url . '"'. $sparkle .'>' . htmlentities($item['author-name']) . '</a>';
1124
1125                         if (!$item['thr-parent']) {
1126                                 $item['thr-parent'] = $item['parent-uri'];
1127                         }
1128
1129                         if (!(isset($conv_responses[$mode][$item['thr-parent'] . '-l'])
1130                                 && is_array($conv_responses[$mode][$item['thr-parent'] . '-l']))) {
1131                                 $conv_responses[$mode][$item['thr-parent'] . '-l'] = [];
1132                         }
1133
1134                         // only list each unique author once
1135                         if (in_array($url,$conv_responses[$mode][$item['thr-parent'] . '-l'])) {
1136                                 continue;
1137                         }
1138
1139                         if (!isset($conv_responses[$mode][$item['thr-parent']])) {
1140                                 $conv_responses[$mode][$item['thr-parent']] = 1;
1141                         } else {
1142                                 $conv_responses[$mode][$item['thr-parent']] ++;
1143                         }
1144
1145                         if (public_contact() == $item['author-id']) {
1146                                 $conv_responses[$mode][$item['thr-parent'] . '-self'] = 1;
1147                         }
1148
1149                         $conv_responses[$mode][$item['thr-parent'] . '-l'][] = $url;
1150
1151                         // there can only be one activity verb per item so if we found anything, we can stop looking
1152                         return;
1153                 }
1154         }
1155 }
1156
1157 /**
1158  * Format the vote text for a profile item
1159  * @param int $cnt = number of people who vote the item
1160  * @param array $arr = array of pre-linked names of likers/dislikers
1161  * @param string $type = one of 'like, 'dislike', 'attendyes', 'attendno', 'attendmaybe'
1162  * @param int $id  = item id
1163  * @return string formatted text
1164  */
1165 function format_like($cnt, array $arr, $type, $id) {
1166         $o = '';
1167         $expanded = '';
1168
1169         if ($cnt == 1) {
1170                 $likers = $arr[0];
1171
1172                 // Phrase if there is only one liker. In other cases it will be uses for the expanded
1173                 // list which show all likers
1174                 switch ($type) {
1175                         case 'like' :
1176                                 $phrase = L10n::t('%s likes this.', $likers);
1177                                 break;
1178                         case 'dislike' :
1179                                 $phrase = L10n::t('%s doesn\'t like this.', $likers);
1180                                 break;
1181                         case 'attendyes' :
1182                                 $phrase = L10n::t('%s attends.', $likers);
1183                                 break;
1184                         case 'attendno' :
1185                                 $phrase = L10n::t('%s doesn\'t attend.', $likers);
1186                                 break;
1187                         case 'attendmaybe' :
1188                                 $phrase = L10n::t('%s attends maybe.', $likers);
1189                                 break;
1190                 }
1191         }
1192
1193         if ($cnt > 1) {
1194                 $total = count($arr);
1195                 if ($total >= MAX_LIKERS) {
1196                         $arr = array_slice($arr, 0, MAX_LIKERS - 1);
1197                 }
1198                 if ($total < MAX_LIKERS) {
1199                         $last = L10n::t('and') . ' ' . $arr[count($arr)-1];
1200                         $arr2 = array_slice($arr, 0, -1);
1201                         $str = implode(', ', $arr2) . ' ' . $last;
1202                 }
1203                 if ($total >= MAX_LIKERS) {
1204                         $str = implode(', ', $arr);
1205                         $str .= L10n::t('and %d other people', $total - MAX_LIKERS );
1206                 }
1207
1208                 $likers = $str;
1209
1210                 $spanatts = "class=\"fakelink\" onclick=\"openClose('{$type}list-$id');\"";
1211
1212                 switch ($type) {
1213                         case 'like':
1214                                 $phrase = L10n::t('<span  %1$s>%2$d people</span> like this', $spanatts, $cnt);
1215                                 $explikers = L10n::t('%s like this.', $likers);
1216                                 break;
1217                         case 'dislike':
1218                                 $phrase = L10n::t('<span  %1$s>%2$d people</span> don\'t like this', $spanatts, $cnt);
1219                                 $explikers = L10n::t('%s don\'t like this.', $likers);
1220                                 break;
1221                         case 'attendyes':
1222                                 $phrase = L10n::t('<span  %1$s>%2$d people</span> attend', $spanatts, $cnt);
1223                                 $explikers = L10n::t('%s attend.', $likers);
1224                                 break;
1225                         case 'attendno':
1226                                 $phrase = L10n::t('<span  %1$s>%2$d people</span> don\'t attend', $spanatts, $cnt);
1227                                 $explikers = L10n::t('%s don\'t attend.', $likers);
1228                                 break;
1229                         case 'attendmaybe':
1230                                 $phrase = L10n::t('<span  %1$s>%2$d people</span> attend maybe', $spanatts, $cnt);
1231                                 $explikers = L10n::t('%s attend maybe.', $likers);
1232                                 break;
1233                 }
1234
1235                 $expanded .= "\t" . '<div class="wall-item-' . $type . '-expanded" id="' . $type . 'list-' . $id . '" style="display: none;" >' . $explikers . EOL . '</div>';
1236         }
1237
1238         $phrase .= EOL ;
1239         $o .= replace_macros(get_markup_template('voting_fakelink.tpl'), [
1240                 '$phrase' => $phrase,
1241                 '$type' => $type,
1242                 '$id' => $id
1243         ]);
1244         $o .= $expanded;
1245
1246         return $o;
1247 }
1248
1249 function status_editor(App $a, $x, $notes_cid = 0, $popup = false)
1250 {
1251         $o = '';
1252
1253         $geotag = x($x, 'allow_location') ? replace_macros(get_markup_template('jot_geotag.tpl'), []) : '';
1254
1255         $tpl = get_markup_template('jot-header.tpl');
1256         $a->page['htmlhead'] .= replace_macros($tpl, [
1257                 '$newpost'   => 'true',
1258                 '$baseurl'   => System::baseUrl(true),
1259                 '$geotag'    => $geotag,
1260                 '$nickname'  => $x['nickname'],
1261                 '$ispublic'  => L10n::t('Visible to <strong>everybody</strong>'),
1262                 '$linkurl'   => L10n::t('Please enter a link URL:'),
1263                 '$vidurl'    => L10n::t("Please enter a video link/URL:"),
1264                 '$audurl'    => L10n::t("Please enter an audio link/URL:"),
1265                 '$term'      => L10n::t('Tag term:'),
1266                 '$fileas'    => L10n::t('Save to Folder:'),
1267                 '$whereareu' => L10n::t('Where are you right now?'),
1268                 '$delitems'  => L10n::t("Delete item\x28s\x29?")
1269         ]);
1270
1271         $tpl = get_markup_template('jot-end.tpl');
1272         $a->page['end'] .= replace_macros($tpl, [
1273                 '$newpost'   => 'true',
1274                 '$baseurl'   => System::baseUrl(true),
1275                 '$geotag'    => $geotag,
1276                 '$nickname'  => $x['nickname'],
1277                 '$ispublic'  => L10n::t('Visible to <strong>everybody</strong>'),
1278                 '$linkurl'   => L10n::t('Please enter a link URL:'),
1279                 '$vidurl'    => L10n::t("Please enter a video link/URL:"),
1280                 '$audurl'    => L10n::t("Please enter an audio link/URL:"),
1281                 '$term'      => L10n::t('Tag term:'),
1282                 '$fileas'    => L10n::t('Save to Folder:'),
1283                 '$whereareu' => L10n::t('Where are you right now?')
1284         ]);
1285
1286         $jotplugins = '';
1287         Addon::callHooks('jot_tool', $jotplugins);
1288
1289         // Private/public post links for the non-JS ACL form
1290         $private_post = 1;
1291         if (x($_REQUEST, 'public')) {
1292                 $private_post = 0;
1293         }
1294
1295         $query_str = $a->query_string;
1296         if (strpos($query_str, 'public=1') !== false) {
1297                 $query_str = str_replace(['?public=1', '&public=1'], ['', ''], $query_str);
1298         }
1299
1300         /*
1301          * I think $a->query_string may never have ? in it, but I could be wrong
1302          * It looks like it's from the index.php?q=[etc] rewrite that the web
1303          * server does, which converts any ? to &, e.g. suggest&ignore=61 for suggest?ignore=61
1304          */
1305         if (strpos($query_str, '?') === false) {
1306                 $public_post_link = '?public=1';
1307         } else {
1308                 $public_post_link = '&public=1';
1309         }
1310
1311         // $tpl = replace_macros($tpl,array('$jotplugins' => $jotplugins));
1312         $tpl = get_markup_template("jot.tpl");
1313
1314         $o .= replace_macros($tpl,[
1315                 '$new_post' => L10n::t('New Post'),
1316                 '$return_path'  => $query_str,
1317                 '$action'       => 'item',
1318                 '$share'        => defaults($x, 'button', L10n::t('Share')),
1319                 '$upload'       => L10n::t('Upload photo'),
1320                 '$shortupload'  => L10n::t('upload photo'),
1321                 '$attach'       => L10n::t('Attach file'),
1322                 '$shortattach'  => L10n::t('attach file'),
1323                 '$weblink'      => L10n::t('Insert web link'),
1324                 '$shortweblink' => L10n::t('web link'),
1325                 '$video'        => L10n::t('Insert video link'),
1326                 '$shortvideo'   => L10n::t('video link'),
1327                 '$audio'        => L10n::t('Insert audio link'),
1328                 '$shortaudio'   => L10n::t('audio link'),
1329                 '$setloc'       => L10n::t('Set your location'),
1330                 '$shortsetloc'  => L10n::t('set location'),
1331                 '$noloc'        => L10n::t('Clear browser location'),
1332                 '$shortnoloc'   => L10n::t('clear location'),
1333                 '$title'        => defaults($x, 'title', ''),
1334                 '$placeholdertitle' => L10n::t('Set title'),
1335                 '$category'     => defaults($x, 'category', ''),
1336                 '$placeholdercategory' => Feature::isEnabled(local_user(), 'categories') ? L10n::t("Categories \x28comma-separated list\x29") : '',
1337                 '$wait'         => L10n::t('Please wait'),
1338                 '$permset'      => L10n::t('Permission settings'),
1339                 '$shortpermset' => L10n::t('permissions'),
1340                 '$ptyp'         => $notes_cid ? 'note' : 'wall',
1341                 '$content'      => defaults($x, 'content', ''),
1342                 '$post_id'      => defaults($x, 'post_id', ''),
1343                 '$baseurl'      => System::baseUrl(true),
1344                 '$defloc'       => $x['default_location'],
1345                 '$visitor'      => $x['visitor'],
1346                 '$pvisit'       => $notes_cid ? 'none' : $x['visitor'],
1347                 '$public'       => L10n::t('Public post'),
1348                 '$lockstate'    => $x['lockstate'],
1349                 '$bang'         => $x['bang'],
1350                 '$profile_uid'  => $x['profile_uid'],
1351                 '$preview'      => Feature::isEnabled($x['profile_uid'], 'preview') ? L10n::t('Preview') : '',
1352                 '$jotplugins'   => $jotplugins,
1353                 '$notes_cid'    => $notes_cid,
1354                 '$sourceapp'    => L10n::t($a->sourcename),
1355                 '$cancel'       => L10n::t('Cancel'),
1356                 '$rand_num'     => random_digits(12),
1357
1358                 // ACL permissions box
1359                 '$acl'           => $x['acl'],
1360                 '$group_perms'   => L10n::t('Post to Groups'),
1361                 '$contact_perms' => L10n::t('Post to Contacts'),
1362                 '$private'       => L10n::t('Private post'),
1363                 '$is_private'    => $private_post,
1364                 '$public_link'   => $public_post_link,
1365
1366                 //jot nav tab (used in some themes)
1367                 '$message' => L10n::t('Message'),
1368                 '$browser' => L10n::t('Browser'),
1369         ]);
1370
1371
1372         if ($popup == true) {
1373                 $o = '<div id="jot-popup" style="display: none;">' . $o . '</div>';
1374         }
1375
1376         return $o;
1377 }
1378
1379 /**
1380  * Plucks the children of the given parent from a given item list.
1381  *
1382  * @brief Plucks all the children in the given item list of the given parent
1383  *
1384  * @param array $item_list
1385  * @param array $parent
1386  * @param bool $recursive
1387  * @return type
1388  */
1389 function get_item_children(array &$item_list, array $parent, $recursive = true)
1390 {
1391         $children = [];
1392         foreach ($item_list as $i => $item) {
1393                 if ($item['id'] != $item['parent']) {
1394                         if ($recursive) {
1395                                 // Fallback to parent-uri if thr-parent is not set
1396                                 $thr_parent = $item['thr-parent'];
1397                                 if ($thr_parent == '') {
1398                                         $thr_parent = $item['parent-uri'];
1399                                 }
1400
1401                                 if ($thr_parent == $parent['uri']) {
1402                                         $item['children'] = get_item_children($item_list, $item);
1403                                         $children[] = $item;
1404                                         unset($item_list[$i]);
1405                                 }
1406                         } elseif ($item['parent'] == $parent['id']) {
1407                                 $children[] = $item;
1408                                 unset($item_list[$i]);
1409                         }
1410                 }
1411         }
1412         return $children;
1413 }
1414
1415 /**
1416  * @brief Recursively sorts a tree-like item array
1417  *
1418  * @param array $items
1419  * @return array
1420  */
1421 function sort_item_children(array $items)
1422 {
1423         $result = $items;
1424         usort($result, 'sort_thr_created_rev');
1425         foreach ($result as $k => $i) {
1426                 if (isset($result[$k]['children'])) {
1427                         $result[$k]['children'] = sort_item_children($result[$k]['children']);
1428                 }
1429         }
1430         return $result;
1431 }
1432
1433 /**
1434  * @brief Recursively add all children items at the top level of a list
1435  *
1436  * @param array $children List of items to append
1437  * @param array $item_list
1438  */
1439 function add_children_to_list(array $children, array &$item_list)
1440 {
1441         foreach ($children as $child) {
1442                 $item_list[] = $child;
1443                 if (isset($child['children'])) {
1444                         add_children_to_list($child['children'], $item_list);
1445                 }
1446         }
1447 }
1448
1449 /**
1450  * This recursive function takes the item tree structure created by conv_sort() and
1451  * flatten the extraneous depth levels when people reply sequentially, removing the
1452  * stairs effect in threaded conversations limiting the available content width.
1453  *
1454  * The basic principle is the following: if a post item has only one reply and is
1455  * the last reply of its parent, then the reply is moved to the parent.
1456  *
1457  * This process is rendered somewhat more complicated because items can be either
1458  * replies or likes, and these don't factor at all in the reply count/last reply.
1459  *
1460  * @brief Selectively flattens a tree-like item structure to prevent threading stairs
1461  *
1462  * @param array $parent A tree-like array of items
1463  * @return array
1464  */
1465 function smart_flatten_conversation(array $parent)
1466 {
1467         if (!isset($parent['children']) || count($parent['children']) == 0) {
1468                 return $parent;
1469         }
1470
1471         // We use a for loop to ensure we process the newly-moved items
1472         for ($i = 0; $i < count($parent['children']); $i++) {
1473                 $child = $parent['children'][$i];
1474
1475                 if (isset($child['children']) && count($child['children'])) {
1476                         // This helps counting only the regular posts
1477                         $count_post_closure = function($var) {
1478                                 return $var['verb'] === ACTIVITY_POST;
1479                         };
1480
1481                         $child_post_count = count(array_filter($child['children'], $count_post_closure));
1482
1483                         $remaining_post_count = count(array_filter(array_slice($parent['children'], $i), $count_post_closure));
1484
1485                         // If there's only one child's children post and this is the last child post
1486                         if ($child_post_count == 1 && $remaining_post_count == 1) {
1487
1488                                 // Searches the post item in the children
1489                                 $j = 0;
1490                                 while($child['children'][$j]['verb'] !== ACTIVITY_POST && $j < count($child['children'])) {
1491                                         $j ++;
1492                                 }
1493
1494                                 $moved_item = $child['children'][$j];
1495                                 unset($parent['children'][$i]['children'][$j]);
1496                                 $parent['children'][] = $moved_item;
1497                         } else {
1498                                 $parent['children'][$i] = smart_flatten_conversation($child);
1499                         }
1500                 }
1501         }
1502
1503         return $parent;
1504 }
1505
1506
1507 /**
1508  * Expands a flat list of items into corresponding tree-like conversation structures,
1509  * sort the top-level posts either on "created" or "commented", and finally
1510  * append all the items at the top level (???)
1511  *
1512  * @brief Expands a flat item list into a conversation array for display
1513  *
1514  * @param array  $item_list A list of items belonging to one or more conversations
1515  * @param string $order     Either on "created" or "commented"
1516  * @return array
1517  */
1518 function conv_sort(array $item_list, $order)
1519 {
1520         $parents = [];
1521
1522         if (!(is_array($item_list) && count($item_list))) {
1523                 return $parents;
1524         }
1525
1526         $item_array = [];
1527
1528         // Dedupes the item list on the uri to prevent infinite loops
1529         foreach ($item_list as $item) {
1530                 $item_array[$item['uri']] = $item;
1531         }
1532
1533         // Extract the top level items
1534         foreach ($item_array as $item) {
1535                 if ($item['id'] == $item['parent']) {
1536                         $parents[] = $item;
1537                 }
1538         }
1539
1540         if (stristr($order, 'created')) {
1541                 usort($parents, 'sort_thr_created');
1542         } elseif (stristr($order, 'commented')) {
1543                 usort($parents, 'sort_thr_commented');
1544         }
1545
1546         /*
1547          * Plucks children from the item_array, second pass collects eventual orphan
1548          * items and add them as children of their top-level post.
1549          */
1550         foreach ($parents as $i => $parent) {
1551                 $parents[$i]['children'] =
1552                         array_merge(get_item_children($item_array, $parent, true),
1553                                 get_item_children($item_array, $parent, false));
1554         }
1555
1556         foreach ($parents as $i => $parent) {
1557                 $parents[$i]['children'] = sort_item_children($parents[$i]['children']);
1558         }
1559
1560         if (PConfig::get(local_user(), 'system', 'smart_threading', 0)) {
1561                 foreach ($parents as $i => $parent) {
1562                         $parents[$i] = smart_flatten_conversation($parent);
1563                 }
1564         }
1565
1566         /// @TODO: Stop recusrsively adding all children back to the top level (!!!)
1567         /// However, this apparently ensures responses (likes, attendance) display (?!)
1568         foreach ($parents as $parent) {
1569                 if (count($parent['children'])) {
1570                         add_children_to_list($parent['children'], $parents);
1571                 }
1572         }
1573
1574         return $parents;
1575 }
1576
1577 /**
1578  * @brief usort() callback to sort item arrays by the created key
1579  *
1580  * @param array $a
1581  * @param array $b
1582  * @return int
1583  */
1584 function sort_thr_created(array $a, array $b)
1585 {
1586         return strcmp($b['created'], $a['created']);
1587 }
1588
1589 /**
1590  * @brief usort() callback to reverse sort item arrays by the created key
1591  *
1592  * @param array $a
1593  * @param array $b
1594  * @return int
1595  */
1596 function sort_thr_created_rev(array $a, array $b)
1597 {
1598         return strcmp($a['created'], $b['created']);
1599 }
1600
1601 /**
1602  * @brief usort() callback to sort item arrays by the commented key
1603  *
1604  * @param array $a
1605  * @param array $b
1606  * @return type
1607  */
1608 function sort_thr_commented(array $a, array $b)
1609 {
1610         return strcmp($b['commented'], $a['commented']);
1611 }
1612
1613 /// @TODO Add type-hint
1614 function render_location_dummy($item) {
1615         if ($item['location'] != "") {
1616                 return $item['location'];
1617         }
1618
1619         if ($item['coord'] != "") {
1620                 return $item['coord'];
1621         }
1622 }
1623
1624 /// @TODO Add type-hint
1625 function get_responses($conv_responses, $response_verbs, $ob, $item) {
1626         $ret = [];
1627         foreach ($response_verbs as $v) {
1628                 $ret[$v] = [];
1629                 $ret[$v]['count'] = defaults($conv_responses[$v], $item['uri'], '');
1630                 $ret[$v]['list']  = defaults($conv_responses[$v], $item['uri'] . '-l', []);
1631                 $ret[$v]['self']  = defaults($conv_responses[$v], $item['uri'] . '-self', '0');
1632                 if (count($ret[$v]['list']) > MAX_LIKERS) {
1633                         $ret[$v]['list_part'] = array_slice($ret[$v]['list'], 0, MAX_LIKERS);
1634                         array_push($ret[$v]['list_part'], '<a href="#" data-toggle="modal" data-target="#' . $v . 'Modal-'
1635                                 . (($ob) ? $ob->getId() : $item['id']) . '"><b>' . L10n::t('View all') . '</b></a>');
1636                 } else {
1637                         $ret[$v]['list_part'] = '';
1638                 }
1639                 $ret[$v]['button'] = get_response_button_text($v, $ret[$v]['count']);
1640                 $ret[$v]['title'] = $conv_responses[$v]['title'];
1641         }
1642
1643         $count = 0;
1644         foreach ($ret as $key) {
1645                 if ($key['count'] == true) {
1646                         $count++;
1647                 }
1648         }
1649         $ret['count'] = $count;
1650
1651         return $ret;
1652 }
1653
1654 function get_response_button_text($v, $count)
1655 {
1656         switch ($v) {
1657                 case 'like':
1658                         $return = L10n::tt('Like', 'Likes', $count);
1659                         break;
1660                 case 'dislike':
1661                         $return = L10n::tt('Dislike', 'Dislikes', $count);
1662                         break;
1663                 case 'attendyes':
1664                         $return = L10n::tt('Attending', 'Attending', $count);
1665                         break;
1666                 case 'attendno':
1667                         $return = L10n::tt('Not Attending', 'Not Attending', $count);
1668                         break;
1669                 case 'attendmaybe':
1670                         $return = L10n::tt('Undecided', 'Undecided', $count);
1671                         break;
1672         }
1673
1674         return $return;
1675 }