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 require_once "include/bbcode.php";
  25 require_once "include/acl_selectors.php";
  26
  27 function item_extract_images($body) {
  28
  29         $saved_image = [];
  30         $orig_body = $body;
  31         $new_body = '';
  32
  33         $cnt = 0;
  34         $img_start = strpos($orig_body, '[img');
  35         $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
  36         $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
  37         while (($img_st_close !== false) && ($img_end !== false)) {
  38
  39                 $img_st_close++; // make it point to AFTER the closing bracket
  40                 $img_end += $img_start;
  41
  42                 if (! strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
  43                         // This is an embedded image
  44
  45                         $saved_image[$cnt] = substr($orig_body, $img_start + $img_st_close, $img_end - ($img_start + $img_st_close));
  46                         $new_body = $new_body . substr($orig_body, 0, $img_start) . '[!#saved_image' . $cnt . '#!]';
  47
  48                         $cnt++;
  49                 } else {
  50                         $new_body = $new_body . substr($orig_body, 0, $img_end + strlen('[/img]'));
  51                 }
  52
  53                 $orig_body = substr($orig_body, $img_end + strlen('[/img]'));
  54
  55                 if ($orig_body === false) {
  56                         // in case the body ends on a closing image tag
  57                         $orig_body = '';
  58                 }
  59
  60                 $img_start = strpos($orig_body, '[img');
  61                 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
  62                 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
  63         }
  64
  65         $new_body = $new_body . $orig_body;
  66
  67         return ['body' => $new_body, 'images' => $saved_image];
  68 }
  69
  70 function item_redir_and_replace_images($body, $images, $cid) {
  71
  72         $origbody = $body;
  73         $newbody = '';
  74
  75         $cnt = 1;
  76         $pos = BBCode::getTagPosition($origbody, 'url', 0);
  77         while ($pos !== false && $cnt < 1000) {
  78
  79                 $search = '/\[url\=(.*?)\]\[!#saved_image([0-9]*)#!\]\[\/url\]' . '/is';
  80                 $replace = '[url=' . System::baseUrl() . '/redir/' . $cid
  81                                    . '?f=1&url=' . '$1' . '][!#saved_image' . '$2' .'#!][/url]';
  82
  83                 $newbody .= substr($origbody, 0, $pos['start']['open']);
  84                 $subject = substr($origbody, $pos['start']['open'], $pos['end']['close'] - $pos['start']['open']);
  85                 $origbody = substr($origbody, $pos['end']['close']);
  86                 if ($origbody === false) {
  87                         $origbody = '';
  88                 }
  89
  90                 $subject = preg_replace($search, $replace, $subject);
  91                 $newbody .= $subject;
  92
  93                 $cnt++;
  94                 // Isn't this supposed to use $cnt value for $occurrences? - @MrPetovan
  95                 $pos = BBCode::getTagPosition($origbody, 'url', 0);
  96         }
  97         $newbody .= $origbody;
  98
  99         $cnt = 0;
 100         foreach ($images as $image) {
 101                 /*
 102                  * We're depending on the property of 'foreach' (specified on the PHP website) that
 103                  * it loops over the array starting from the first element and going sequentially
 104                  * to the last element.
 105                  */
 106                 $newbody = str_replace('[!#saved_image' . $cnt . '#!]', '[img]' . $image . '[/img]', $newbody);
 107                 $cnt++;
 108         }
 109         return $newbody;
 110 }
 111
 112 /**
 113  * Render actions localized
 114  */
 115 function localize_item(&$item) {
 116
 117         $extracted = item_extract_images($item['body']);
 118         if ($extracted['images']) {
 119                 $item['body'] = item_redir_and_replace_images($extracted['body'], $extracted['images'], $item['contact-id']);
 120         }
 121
 122         /// @Separted ???
 123         $xmlhead = "<" . "?xml version='1.0' encoding='UTF-8' ?" . ">";
 124         if (activity_match($item['verb'], ACTIVITY_LIKE)
 125                 || activity_match($item['verb'], ACTIVITY_DISLIKE)
 126                 || activity_match($item['verb'], ACTIVITY_ATTEND)
 127                 || activity_match($item['verb'], ACTIVITY_ATTENDNO)
 128                 || activity_match($item['verb'], ACTIVITY_ATTENDMAYBE)) {
 129
 130                 /// @TODO may hurt performance
 131                 $r = q("SELECT * FROM `item`, `contact`
 132                         WHERE `item`.`contact-id`=`contact`.`id`
 133                         AND `item`.`uri`='%s'",
 134                         dbesc($item['parent-uri']));
 135                 if (!DBM::is_result($r)) {
 136                         return;
 137                 }
 138                 $obj = $r[0];
 139
 140                 $author  = '[url=' . $item['author-link'] . ']' . $item['author-name'] . '[/url]';
 141                 $objauthor =  '[url=' . $obj['author-link'] . ']' . $obj['author-name'] . '[/url]';
 142
 143                 switch ($obj['verb']) {
 144                         case ACTIVITY_POST:
 145                                 switch ($obj['object-type']) {
 146                                         case ACTIVITY_OBJ_EVENT:
 147                                                 $post_type = L10n::t('event');
 148                                                 break;
 149                                         default:
 150                                                 $post_type = L10n::t('status');
 151                                 }
 152                                 break;
 153                         default:
 154                                 if ($obj['resource-id']) {
 155                                         $post_type = L10n::t('photo');
 156                                         $m = [];
 157                                         preg_match("/\[url=([^]]*)\]/", $obj['body'], $m);
 158                                         $rr['plink'] = $m[1];
 159                                 } else {
 160                                         $post_type = L10n::t('status');
 161                                 }
 162                 }
 163
 164                 $plink = '[url=' . $obj['plink'] . ']' . $post_type . '[/url]';
 165
 166                 if (activity_match($item['verb'], ACTIVITY_LIKE)) {
 167                         $bodyverb = L10n::t('%1$s likes %2$s\'s %3$s');
 168                 }
 169                 elseif (activity_match($item['verb'], ACTIVITY_DISLIKE)) {
 170                         $bodyverb = L10n::t('%1$s doesn\'t like %2$s\'s %3$s');
 171                 }
 172                 elseif (activity_match($item['verb'], ACTIVITY_ATTEND)) {
 173                         $bodyverb = L10n::t('%1$s attends %2$s\'s %3$s');
 174                 }
 175                 elseif (activity_match($item['verb'], ACTIVITY_ATTENDNO)) {
 176                         $bodyverb = L10n::t('%1$s doesn\'t attend %2$s\'s %3$s');
 177                 }
 178                 elseif (activity_match($item['verb'], ACTIVITY_ATTENDMAYBE)) {
 179                         $bodyverb = L10n::t('%1$s attends maybe %2$s\'s %3$s');
 180                 }
 181                 $item['body'] = sprintf($bodyverb, $author, $objauthor, $plink);
 182
 183         }
 184         if (activity_match($item['verb'], ACTIVITY_FRIEND)) {
 185
 186                 if ($item['object-type']=="" || $item['object-type']!== ACTIVITY_OBJ_PERSON) return;
 187
 188                 $Aname = $item['author-name'];
 189                 $Alink = $item['author-link'];
 190
 191                 $xmlhead="<"."?xml version='1.0' encoding='UTF-8' ?".">";
 192
 193                 $obj = XML::parseString($xmlhead.$item['object']);
 194                 $links = XML::parseString($xmlhead."<links>".unxmlify($obj->link)."</links>");
 195
 196                 $Bname = $obj->title;
 197                 $Blink = ""; $Bphoto = "";
 198                 foreach ($links->link as $l) {
 199                         $atts = $l->attributes();
 200                         switch ($atts['rel']) {
 201                                 case "alternate": $Blink = $atts['href'];
 202                                 case "photo": $Bphoto = $atts['href'];
 203                         }
 204                 }
 205
 206                 $A = '[url=' . Profile::zrl($Alink) . ']' . $Aname . '[/url]';
 207                 $B = '[url=' . Profile::zrl($Blink) . ']' . $Bname . '[/url]';
 208                 if ($Bphoto != "") {
 209                         $Bphoto = '[url=' . Profile::zrl($Blink) . '][img]' . $Bphoto . '[/img][/url]';
 210                 }
 211
 212                 $item['body'] = L10n::t('%1$s is now friends with %2$s', $A, $B)."\n\n\n".$Bphoto;
 213
 214         }
 215         if (stristr($item['verb'], ACTIVITY_POKE)) {
 216                 $verb = urldecode(substr($item['verb'],strpos($item['verb'],'#')+1));
 217                 if (! $verb) {
 218                         return;
 219                 }
 220                 if ($item['object-type']=="" || $item['object-type']!== ACTIVITY_OBJ_PERSON) {
 221                         return;
 222                 }
 223
 224                 $Aname = $item['author-name'];
 225                 $Alink = $item['author-link'];
 226
 227                 $xmlhead = "<" . "?xml version='1.0' encoding='UTF-8' ?" . ">";
 228
 229                 $obj = XML::parseString($xmlhead.$item['object']);
 230                 $links = XML::parseString($xmlhead."<links>".unxmlify($obj->link)."</links>");
 231
 232                 $Bname = $obj->title;
 233                 $Blink = "";
 234                 $Bphoto = "";
 235                 foreach ($links->link as $l) {
 236                         $atts = $l->attributes();
 237                         switch ($atts['rel']) {
 238                                 case "alternate": $Blink = $atts['href'];
 239                                 case "photo": $Bphoto = $atts['href'];
 240                         }
 241                 }
 242
 243                 $A = '[url=' . Profile::zrl($Alink) . ']' . $Aname . '[/url]';
 244                 $B = '[url=' . Profile::zrl($Blink) . ']' . $Bname . '[/url]';
 245                 if ($Bphoto != "") {
 246                         $Bphoto = '[url=' . Profile::zrl($Blink) . '][img=80x80]' . $Bphoto . '[/img][/url]';
 247                 }
 248
 249                 /*
 250                  * we can't have a translation string with three positions but no distinguishable text
 251                  * So here is the translate string.
 252                  */
 253                 $txt = L10n::t('%1$s poked %2$s');
 254
 255                 // now translate the verb
 256                 $poked_t = trim(sprintf($txt, "", ""));
 257                 $txt = str_replace( $poked_t, L10n::t($verb), $txt);
 258
 259                 // then do the sprintf on the translation string
 260
 261                 $item['body'] = sprintf($txt, $A, $B). "\n\n\n" . $Bphoto;
 262
 263         }
 264
 265         if (activity_match($item['verb'], ACTIVITY_TAG)) {
 266                 /// @TODO may hurt performance "joining" two tables + asterisk
 267                 $r = q("SELECT * FROM `item`, `contact`
 268                         WHERE `item`.`contact-id`=`contact`.`id`
 269                         AND `item`.`uri`='%s'",
 270                         dbesc($item['parent-uri']));
 271
 272                 if (!DBM::is_result($r)) {
 273                         return;
 274                 }
 275
 276                 $obj = $r[0];
 277
 278                 $author  = '[url=' . Profile::zrl($item['author-link']) . ']' . $item['author-name'] . '[/url]';
 279                 $objauthor =  '[url=' . Profile::zrl($obj['author-link']) . ']' . $obj['author-name'] . '[/url]';
 280
 281                 switch ($obj['verb']) {
 282                         case ACTIVITY_POST:
 283                                 switch ($obj['object-type']) {
 284                                         case ACTIVITY_OBJ_EVENT:
 285                                                 $post_type = L10n::t('event');
 286                                                 break;
 287                                         default:
 288                                                 $post_type = L10n::t('status');
 289                                 }
 290                                 break;
 291                         default:
 292                                 if ($obj['resource-id']) {
 293                                         $post_type = L10n::t('photo');
 294                                         $m=[]; preg_match("/\[url=([^]]*)\]/", $obj['body'], $m);
 295                                         $rr['plink'] = $m[1];
 296                                 } else {
 297                                         $post_type = L10n::t('status');
 298                                 }
 299                                 // Let's break everthing ... ;-)
 300                                 break;
 301                 }
 302                 $plink = '[url=' . $obj['plink'] . ']' . $post_type . '[/url]';
 303
 304                 $parsedobj = XML::parseString($xmlhead.$item['object']);
 305
 306                 $tag = sprintf('#[url=%s]%s[/url]', $parsedobj->id, $parsedobj->content);
 307                 $item['body'] = L10n::t('%1$s tagged %2$s\'s %3$s with %4$s', $author, $objauthor, $plink, $tag );
 308
 309         }
 310         if (activity_match($item['verb'], ACTIVITY_FAVORITE)) {
 311
 312                 if ($item['object-type'] == "") {
 313                         return;
 314                 }
 315
 316                 $Aname = $item['author-name'];
 317                 $Alink = $item['author-link'];
 318
 319                 $xmlhead = "<" . "?xml version='1.0' encoding='UTF-8' ?" . ">";
 320
 321                 $obj = XML::parseString($xmlhead.$item['object']);
 322                 if (strlen($obj->id)) {
 323                         $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 324                                         dbesc($obj->id),
 325                                         intval($item['uid'])
 326                         );
 327
 328                         if (DBM::is_result($r) && $r[0]['plink']) {
 329                                 $target = $r[0];
 330                                 $Bname = $target['author-name'];
 331                                 $Blink = $target['author-link'];
 332                                 $A = '[url=' . Profile::zrl($Alink) . ']' . $Aname . '[/url]';
 333                                 $B = '[url=' . Profile::zrl($Blink) . ']' . $Bname . '[/url]';
 334                                 $P = '[url=' . $target['plink'] . ']' . L10n::t('post/item') . '[/url]';
 335                                 $item['body'] = L10n::t('%1$s marked %2$s\'s %3$s as favorite', $A, $B, $P)."\n";
 336                         }
 337                 }
 338         }
 339         $matches = null;
 340         if (preg_match_all('/@\[url=(.*?)\]/is', $item['body'], $matches, PREG_SET_ORDER)) {
 341                 foreach ($matches as $mtch) {
 342                         if (! strpos($mtch[1], 'zrl=')) {
 343                                 $item['body'] = str_replace($mtch[0], '@[url=' . Profile::zrl($mtch[1]) . ']', $item['body']);
 344                         }
 345                 }
 346         }
 347
 348         // add zrl's to public images
 349         $photo_pattern = "/\[url=(.*?)\/photos\/(.*?)\/image\/(.*?)\]\[img(.*?)\]h(.*?)\[\/img\]\[\/url\]/is";
 350         if (preg_match($photo_pattern, $item['body'])) {
 351                 $photo_replace = '[url=' . Profile::zrl('$1' . '/photos/' . '$2' . '/image/' . '$3' ,true) . '][img' . '$4' . ']h' . '$5'  . '[/img][/url]';
 352                 $item['body'] = BBCode::pregReplaceInTag($photo_pattern, $photo_replace, 'url', $item['body']);
 353         }
 354
 355         // add sparkle links to appropriate permalinks
 356
 357         $x = stristr($item['plink'],'/display/');
 358         if ($x) {
 359                 $sparkle = false;
 360                 $y = best_link_url($item, $sparkle);
 361
 362                 if (strstr($y, '/redir/')) {
 363                         $item['plink'] = $y . '?f=&url=' . $item['plink'];
 364                 }
 365         }
 366 }
 367
 368 /**
 369  * Count the total of comments on this item and its desendants
 370  * @TODO proper type-hint + doc-tag
 371  */
 372 function count_descendants($item) {
 373         $total = count($item['children']);
 374
 375         if ($total > 0) {
 376                 foreach ($item['children'] as $child) {
 377                         if (! visible_activity($child)) {
 378                                 $total --;
 379                         }
 380                         $total += count_descendants($child);
 381                 }
 382         }
 383
 384         return $total;
 385 }
 386
 387 function visible_activity($item) {
 388
 389         /*
 390          * likes (etc.) can apply to other things besides posts. Check if they are post children,
 391          * in which case we handle them specially
 392          */
 393         $hidden_activities = [ACTIVITY_LIKE, ACTIVITY_DISLIKE, ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
 394         foreach ($hidden_activities as $act) {
 395                 if (activity_match($item['verb'], $act)) {
 396                         return false;
 397                 }
 398         }
 399
 400         if (activity_match($item['verb'], ACTIVITY_FOLLOW) && $item['object-type'] === ACTIVITY_OBJ_NOTE) {
 401                 if (! (($item['self']) && ($item['uid'] == local_user()))) {
 402                         return false;
 403                 }
 404         }
 405
 406         return true;
 407 }
 408
 409 /**
 410  * @brief SQL query for items
 411  */
 412 function item_query() {
 413         return "SELECT " . item_fieldlists() . " FROM `item` " .
 414                 item_joins() . " WHERE " . item_condition();
 415 }
 416
 417 /**
 418  * @brief List of all data fields that are needed for displaying items
 419  */
 420 function item_fieldlists() {
 421
 422 /*
 423 These Fields are not added below (yet). They are here to for bug search.
 424 `item`.`type`,
 425 `item`.`extid`,
 426 `item`.`changed`,
 427 `item`.`moderated`,
 428 `item`.`target-type`,
 429 `item`.`target`,
 430 `item`.`resource-id`,
 431 `item`.`tag`,
 432 `item`.`inform`,
 433 `item`.`pubmail`,
 434 `item`.`visible`,
 435 `item`.`spam`,
 436 `item`.`bookmark`,
 437 `item`.`unseen`,
 438 `item`.`deleted`,
 439 `item`.`origin`,
 440 `item`.`forum_mode`,
 441 `item`.`mention`,
 442 `item`.`global`,
 443 `item`.`gcontact-id`,
 444 `item`.`shadow`,
 445 */
 446
 447         return "`item`.`author-id`, `item`.`author-link`, `item`.`author-name`, `item`.`author-avatar`,
 448                 `item`.`owner-id`, `item`.`owner-link`, `item`.`owner-name`, `item`.`owner-avatar`,
 449                 `item`.`contact-id`, `item`.`uid`, `item`.`id`, `item`.`parent`,
 450                 `item`.`uri`, `item`.`thr-parent`, `item`.`parent-uri`,
 451                 `item`.`commented`, `item`.`created`, `item`.`edited`, `item`.`received`,
 452                 `item`.`verb`, `item`.`object-type`, `item`.`postopts`, `item`.`plink`,
 453                 `item`.`guid`, `item`.`wall`, `item`.`private`, `item`.`starred`,
 454                 `item`.`title`, `item`.`body`, `item`.`file`, `item`.`event-id`,
 455                 `item`.`location`, `item`.`coord`, `item`.`app`, `item`.`attach`,
 456                 `item`.`rendered-hash`, `item`.`rendered-html`, `item`.`object`,
 457                 `item`.`allow_cid`, `item`.`allow_gid`, `item`.`deny_cid`, `item`.`deny_gid`,
 458                 `item`.`id` AS `item_id`, `item`.`network` AS `item_network`,
 459
 460                 `author`.`thumb` AS `author-thumb`, `owner`.`thumb` AS `owner-thumb`,
 461
 462                 `contact`.`network`, `contact`.`url`, `contact`.`name`, `contact`.`writable`,
 463                 `contact`.`self`, `contact`.`id` AS `cid`, `contact`.`alias`,
 464
 465                 `event`.`created` AS `event-created`, `event`.`edited` AS `event-edited`,
 466                 `event`.`start` AS `event-start`,`event`.`finish` AS `event-finish`,
 467                 `event`.`summary` AS `event-summary`,`event`.`desc` AS `event-desc`,
 468                 `event`.`location` AS `event-location`, `event`.`type` AS `event-type`,
 469                 `event`.`nofinish` AS `event-nofinish`,`event`.`adjust` AS `event-adjust`,
 470                 `event`.`ignore` AS `event-ignore`, `event`.`id` AS `event-id`";
 471 }
 472
 473 /**
 474  * @brief SQL join for contacts that are needed for displaying items
 475  */
 476 function item_joins() {
 477         return "STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id` AND
 478                 (NOT `contact`.`blocked` OR `contact`.`pending`)
 479                 LEFT JOIN `contact` AS `author` ON `author`.`id`=`item`.`author-id`
 480                 LEFT JOIN `contact` AS `owner` ON `owner`.`id`=`item`.`owner-id`
 481                 LEFT JOIN `event` ON `event-id` = `event`.`id`";
 482 }
 483
 484 /**
 485  * @brief SQL condition for items that are needed for displaying items
 486  */
 487 function item_condition() {
 488         return "`item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`";
 489 }
 490
 491 /**
 492  * "Render" a conversation or list of items for HTML display.
 493  * There are two major forms of display:
 494  *      - Sequential or unthreaded ("New Item View" or search results)
 495  *      - conversation view
 496  * The $mode parameter decides between the various renderings and also
 497  * figures out how to determine page owner and other contextual items
 498  * that are based on unique features of the calling module.
 499  *
 500  */
 501 function conversation(App $a, $items, $mode, $update, $preview = false) {
 502         require_once 'include/bbcode.php';
 503         require_once 'mod/proxy.php';
 504
 505         $ssl_state = ((local_user()) ? true : false);
 506
 507         $profile_owner = 0;
 508         $live_update_div = '';
 509
 510         $arr_blocked = null;
 511
 512         if (local_user()) {
 513                 $str_blocked = PConfig::get(local_user(), 'system', 'blocked');
 514                 if ($str_blocked) {
 515                         $arr_blocked = explode(',', $str_blocked);
 516                         for ($x = 0; $x < count($arr_blocked); $x ++) {
 517                                 $arr_blocked[$x] = trim($arr_blocked[$x]);
 518                         }
 519                 }
 520
 521         }
 522
 523         $previewing = (($preview) ? ' preview ' : '');
 524
 525         if ($mode === 'network') {
 526                 $profile_owner = local_user();
 527                 if (!$update) {
 528                         /*
 529                          * The special div is needed for liveUpdate to kick in for this page.
 530                          * We only launch liveUpdate if you aren't filtering in some incompatible
 531                          * way and also you aren't writing a comment (discovered in javascript).
 532                          */
 533                         $live_update_div = '<div id="live-network"></div>' . "\r\n"
 534                                 . "<script> var profile_uid = " . $_SESSION['uid']
 535                                 . "; var netargs = '" . substr($a->cmd, 8)
 536                                 . '?f='
 537                                 . ((x($_GET, 'cid'))    ? '&cid='    . $_GET['cid']    : '')
 538                                 . ((x($_GET, 'search')) ? '&search=' . $_GET['search'] : '')
 539                                 . ((x($_GET, 'star'))   ? '&star='   . $_GET['star']   : '')
 540                                 . ((x($_GET, 'order'))  ? '&order='  . $_GET['order']  : '')
 541                                 . ((x($_GET, 'bmark'))  ? '&bmark='  . $_GET['bmark']  : '')
 542                                 . ((x($_GET, 'liked'))  ? '&liked='  . $_GET['liked']  : '')
 543                                 . ((x($_GET, 'conv'))   ? '&conv='   . $_GET['conv']   : '')
 544                                 . ((x($_GET, 'spam'))   ? '&spam='   . $_GET['spam']   : '')
 545                                 . ((x($_GET, 'nets'))   ? '&nets='   . $_GET['nets']   : '')
 546                                 . ((x($_GET, 'cmin'))   ? '&cmin='   . $_GET['cmin']   : '')
 547                                 . ((x($_GET, 'cmax'))   ? '&cmax='   . $_GET['cmax']   : '')
 548                                 . ((x($_GET, 'file'))   ? '&file='   . $_GET['file']   : '')
 549
 550                                 . "'; var profile_page = " . $a->pager['page'] . "; </script>\r\n";
 551                 }
 552         } elseif ($mode === 'profile') {
 553                 $profile_owner = $a->profile['profile_uid'];
 554
 555                 if (!$update) {
 556                         $tab = 'posts';
 557                         if (x($_GET, 'tab')) {
 558                                 $tab = notags(trim($_GET['tab']));
 559                         }
 560                         if ($tab === 'posts') {
 561                                 /*
 562                                  * This is ugly, but we can't pass the profile_uid through the session to the ajax updater,
 563                                  * because browser prefetching might change it on us. We have to deliver it with the page.
 564                                  */
 565
 566                                 $live_update_div = '<div id="live-profile"></div>' . "\r\n"
 567                                         . "<script> var profile_uid = " . $a->profile['profile_uid']
 568                                         . "; var netargs = '?f='; var profile_page = " . $a->pager['page'] . "; </script>\r\n";
 569                         }
 570                 }
 571         } elseif ($mode === 'notes') {
 572                 $profile_owner = local_user();
 573                 if (!$update) {
 574                         $live_update_div = '<div id="live-notes"></div>' . "\r\n"
 575                                 . "<script> var profile_uid = " . local_user()
 576                                 . "; var netargs = '/?f='; var profile_page = " . $a->pager['page'] . "; </script>\r\n";
 577                 }
 578         } elseif ($mode === 'display') {
 579                 $profile_owner = $a->profile['uid'];
 580                 if (!$update) {
 581                         $live_update_div = '<div id="live-display"></div>' . "\r\n"
 582                                 . "<script> var profile_uid = " . $_SESSION['uid'] . ";"
 583                                 . " var profile_page = 1; </script>";
 584                 }
 585         } elseif ($mode === 'community') {
 586                 $items = community_add_items($items);
 587                 $profile_owner = 0;
 588                 if (!$update) {
 589                         $live_update_div = '<div id="live-community"></div>' . "\r\n"
 590                                 . "<script> var profile_uid = -1; var netargs = '" . substr($a->cmd, 10)
 591                                 ."/?f='; var profile_page = " . $a->pager['page'] . "; </script>\r\n";
 592                 }
 593         } elseif ($mode === 'search') {
 594                 $live_update_div = '<div id="live-search"></div>' . "\r\n";
 595         }
 596
 597         $page_dropping = ((local_user() && local_user() == $profile_owner) ? true : false);
 598
 599         if (!$update) {
 600                 $_SESSION['return_url'] = $a->query_string;
 601         }
 602
 603         $cb = ['items' => $items, 'mode' => $mode, 'update' => $update, 'preview' => $preview];
 604         Addon::callHooks('conversation_start',$cb);
 605
 606         $items = $cb['items'];
 607
 608         $conv_responses = [
 609                 'like' => ['title' => L10n::t('Likes','title')], 'dislike' => ['title' => L10n::t('Dislikes','title')],
 610                 'attendyes' => ['title' => L10n::t('Attending','title')], 'attendno' => ['title' => L10n::t('Not attending','title')], 'attendmaybe' => ['title' => L10n::t('Might attend','title')]
 611         ];
 612
 613         // array with html for each thread (parent+comments)
 614         $threads = [];
 615         $threadsid = -1;
 616
 617         $page_template = get_markup_template("conversation.tpl");
 618
 619         if ($items && count($items)) {
 620                 if ($mode === 'community') {
 621                         $writable = true;
 622                 } else {
 623                         $writable = ($items[0]['uid'] == 0) && in_array($items[0]['network'], [NETWORK_OSTATUS, NETWORK_DIASPORA, NETWORK_DFRN]);
 624                 }
 625
 626                 if (!local_user()) {
 627                         $writable = false;
 628                 }
 629
 630                 if (in_array($mode, ['network-new', 'search', 'contact-posts'])) {
 631
 632                         /*
 633                          * "New Item View" on network page or search page results
 634                          * - just loop through the items and format them minimally for display
 635                          */
 636
 637                         $tpl = 'search_item.tpl';
 638
 639                         foreach ($items as $item) {
 640
 641                                 if ($arr_blocked) {
 642                                         $blocked = false;
 643                                         foreach ($arr_blocked as $b) {
 644                                                 if ($b && link_compare($item['author-link'], $b)) {
 645                                                         $blocked = true;
 646                                                         break;
 647                                                 }
 648                                         }
 649                                         if ($blocked) {
 650                                                 continue;
 651                                         }
 652                                 }
 653
 654
 655                                 $threadsid++;
 656
 657                                 $owner_url   = '';
 658                                 $owner_name  = '';
 659                                 $sparkle     = '';
 660
 661                                 // prevent private email from leaking.
 662                                 if ($item['network'] === NETWORK_MAIL && local_user() != $item['uid']) {
 663                                         continue;
 664                                 }
 665
 666                                 $profile_name = ((strlen($item['author-name'])) ? $item['author-name'] : $item['name']);
 667                                 if ($item['author-link'] && (! $item['author-name'])) {
 668                                         $profile_name = $item['author-link'];
 669                                 }
 670
 671                                 $tags = [];
 672                                 $hashtags = [];
 673                                 $mentions = [];
 674
 675                                 $searchpath = System::baseUrl()."/search?tag=";
 676
 677                                 $taglist = dba::select('term', ['type', 'term', 'url'],
 678                                                         ["`otype` = ? AND `oid` = ? AND `type` IN (?, ?)", TERM_OBJ_POST, $item['id'], TERM_HASHTAG, TERM_MENTION],
 679                                                         ['order' => ['tid']]);
 680
 681                                 while ($tag = dba::fetch($taglist)) {
 682                                         if ($tag["url"] == "") {
 683                                                 $tag["url"] = $searchpath . strtolower($tag["term"]);
 684                                         }
 685
 686                                         $tag["url"] = best_link_url($item, $sp, $tag["url"]);
 687
 688                                         if ($tag["type"] == TERM_HASHTAG) {
 689                                                 $hashtags[] = "#<a href=\"" . $tag["url"] . "\" target=\"_blank\">" . $tag["term"] . "</a>";
 690                                                 $prefix = "#";
 691                                         } elseif ($tag["type"] == TERM_MENTION) {
 692                                                 $mentions[] = "@<a href=\"" . $tag["url"] . "\" target=\"_blank\">" . $tag["term"] . "</a>";
 693                                                 $prefix = "@";
 694                                         }
 695                                         $tags[] = $prefix."<a href=\"" . $tag["url"] . "\" target=\"_blank\">" . $tag["term"] . "</a>";
 696                                 }
 697                                 dba::close($taglist);
 698
 699                                 $sp = false;
 700                                 $profile_link = best_link_url($item, $sp);
 701                                 if ($profile_link === 'mailbox') {
 702                                         $profile_link = '';
 703                                 }
 704
 705                                 if ($sp) {
 706                                         $sparkle = ' sparkle';
 707                                 } else {
 708                                         $profile_link = Profile::zrl($profile_link);
 709                                 }
 710
 711                                 if (!x($item, 'author-thumb') || ($item['author-thumb'] == "")) {
 712                                         $author_contact = Contact::getDetailsByURL($item['author-link'], $profile_owner);
 713                                         if ($author_contact["thumb"]) {
 714                                                 $item['author-thumb'] = $author_contact["thumb"];
 715                                         } else {
 716                                                 $item['author-thumb'] = $item['author-avatar'];
 717                                         }
 718                                 }
 719
 720                                 if (!isset($item['owner-thumb']) || ($item['owner-thumb'] == "")) {
 721                                         $owner_contact = Contact::getDetailsByURL($item['owner-link'], $profile_owner);
 722                                         if ($owner_contact["thumb"]) {
 723                                                 $item['owner-thumb'] = $owner_contact["thumb"];
 724                                         } else {
 725                                                 $item['owner-thumb'] = $item['owner-avatar'];
 726                                         }
 727                                 }
 728
 729                                 $locate = ['location' => $item['location'], 'coord' => $item['coord'], 'html' => ''];
 730                                 Addon::callHooks('render_location',$locate);
 731
 732                                 $location = ((strlen($locate['html'])) ? $locate['html'] : render_location_dummy($locate));
 733
 734                                 localize_item($item);
 735                                 if ($mode === 'network-new') {
 736                                         $dropping = true;
 737                                 } else {
 738                                         $dropping = false;
 739                                 }
 740
 741                                 $drop = [
 742                                         'dropping' => $dropping,
 743                                         'pagedrop' => $page_dropping,
 744                                         'select' => L10n::t('Select'),
 745                                         'delete' => L10n::t('Delete'),
 746                                 ];
 747
 748                                 $star = false;
 749                                 $isstarred = "unstarred";
 750
 751                                 $lock = false;
 752                                 $likebuttons = false;
 753
 754                                 $body = prepare_body($item, true, $preview);
 755
 756                                 list($categories, $folders) = get_cats_and_terms($item);
 757
 758                                 $profile_name_e = $profile_name;
 759                                 $item['title_e'] = $item['title'];
 760                                 $body_e = $body;
 761                                 $tags_e = $tags;
 762                                 $hashtags_e = $hashtags;
 763                                 $mentions_e = $mentions;
 764                                 $location_e = $location;
 765                                 $owner_name_e = $owner_name;
 766
 767                                 if ($item['item_network'] == "") {
 768                                         $item['item_network'] = $item['network'];
 769                                 }
 770
 771                                 $tmp_item = [
 772                                         'template' => $tpl,
 773                                         'id' => (($preview) ? 'P0' : $item['item_id']),
 774                                         'guid' => (($preview) ? 'Q0' : $item['guid']),
 775                                         'network' => $item['item_network'],
 776                                         'network_name' => ContactSelector::networkToName($item['item_network'], $profile_link),
 777                                         'linktitle' => L10n::t('View %s\'s profile @ %s', $profile_name, ((strlen($item['author-link'])) ? $item['author-link'] : $item['url'])),
 778                                         'profile_url' => $profile_link,
 779                                         'item_photo_menu' => item_photo_menu($item),
 780                                         'name' => $profile_name_e,
 781                                         'sparkle' => $sparkle,
 782                                         'lock' => $lock,
 783                                         'thumb' => System::removedBaseUrl(proxy_url($item['author-thumb'], false, PROXY_SIZE_THUMB)),
 784                                         'title' => $item['title_e'],
 785                                         'body' => $body_e,
 786                                         'tags' => $tags_e,
 787                                         'hashtags' => $hashtags_e,
 788                                         'mentions' => $mentions_e,
 789                                         'txt_cats' => L10n::t('Categories:'),
 790                                         'txt_folders' => L10n::t('Filed under:'),
 791                                         'has_cats' => ((count($categories)) ? 'true' : ''),
 792                                         'has_folders' => ((count($folders)) ? 'true' : ''),
 793                                         'categories' => $categories,
 794                                         'folders' => $folders,
 795                                         'text' => strip_tags($body_e),
 796                                         'localtime' => DateTimeFormat::local($item['created'], 'r'),
 797                                         'ago' => (($item['app']) ? L10n::t('%s from %s', Temporal::getRelativeDate($item['created']),$item['app']) : Temporal::getRelativeDate($item['created'])),
 798                                         'location' => $location_e,
 799                                         'indent' => '',
 800                                         'owner_name' => $owner_name_e,
 801                                         'owner_url' => $owner_url,
 802                                         'owner_photo' => System::removedBaseUrl(proxy_url($item['owner-thumb'], false, PROXY_SIZE_THUMB)),
 803                                         'plink' => get_plink($item),
 804                                         'edpost' => false,
 805                                         'isstarred' => $isstarred,
 806                                         'star' => $star,
 807                                         'drop' => $drop,
 808                                         'vote' => $likebuttons,
 809                                         'like' => '',
 810                                         'dislike' => '',
 811                                         'comment' => '',
 812                                         'conv' => (($preview) ? '' : ['href'=> 'display/'.$item['guid'], 'title'=> L10n::t('View in context')]),
 813                                         'previewing' => $previewing,
 814                                         'wait' => L10n::t('Please wait'),
 815                                         'thread_level' => 1,
 816                                 ];
 817
 818                                 $arr = ['item' => $item, 'output' => $tmp_item];
 819                                 Addon::callHooks('display_item', $arr);
 820
 821                                 $threads[$threadsid]['id'] = $item['item_id'];
 822                                 $threads[$threadsid]['network'] = $item['item_network'];
 823                                 $threads[$threadsid]['items'] = [$arr['output']];
 824
 825                         }
 826                 } else {
 827                         // Normal View
 828                         $page_template = get_markup_template("threaded_conversation.tpl");
 829
 830                         $conv = new Thread($mode, $preview, $writable);
 831
 832                         /*
 833                          * get all the topmost parents
 834                          * this shouldn't be needed, as we should have only them in our array
 835                          * But for now, this array respects the old style, just in case
 836                          */
 837                         foreach ($items as $item) {
 838                                 if ($arr_blocked) {
 839                                         $blocked = false;
 840                                         foreach ($arr_blocked as $b) {
 841                                                 if ($b && link_compare($item['author-link'], $b)) {
 842                                                         $blocked = true;
 843                                                         break;
 844                                                 }
 845                                         }
 846                                         if ($blocked) {
 847                                                 continue;
 848                                         }
 849                                 }
 850
 851                                 // Can we put this after the visibility check?
 852                                 builtin_activity_puller($item, $conv_responses);
 853
 854                                 // Only add what is visible
 855                                 if ($item['network'] === NETWORK_MAIL && local_user() != $item['uid']) {
 856                                         continue;
 857                                 }
 858
 859                                 if (! visible_activity($item)) {
 860                                         continue;
 861                                 }
 862
 863                                 Addon::callHooks('display_item', $arr);
 864
 865                                 $item['pagedrop'] = $page_dropping;
 866
 867                                 if ($item['id'] == $item['parent']) {
 868                                         $item_object = new Post($item);
 869                                         $conv->addParent($item_object);
 870                                 }
 871                         }
 872
 873                         $threads = $conv->getTemplateData($conv_responses);
 874                         if (!$threads) {
 875                                 logger('[ERROR] conversation : Failed to get template data.', LOGGER_DEBUG);
 876                                 $threads = [];
 877                         }
 878                 }
 879         }
 880
 881         $o = replace_macros($page_template, [
 882                 '$baseurl' => System::baseUrl($ssl_state),
 883                 '$return_path' => $a->query_string,
 884                 '$live_update' => $live_update_div,
 885                 '$remove' => L10n::t('remove'),
 886                 '$mode' => $mode,
 887                 '$user' => $a->user,
 888                 '$threads' => $threads,
 889                 '$dropping' => ($page_dropping && Feature::isEnabled(local_user(), 'multi_delete') ? L10n::t('Delete Selected Items') : False),
 890         ]);
 891
 892         return $o;
 893 }
 894
 895 /**
 896  * @brief Add comments to top level entries that had been fetched before
 897  *
 898  * The system will fetch the comments for the local user whenever possible.
 899  * This behaviour is currently needed to allow commenting on Friendica posts.
 900  *
 901  * @param array $parents Parent items
 902  *
 903  * @return array items with parents and comments
 904  */
 905 function community_add_items($parents) {
 906         $max_comments = Config::get("system", "max_comments", 100);
 907
 908         $items = [];
 909
 910         foreach ($parents AS $parent) {
 911                 $thread_items = dba::p(item_query()." AND `item`.`uid` = ?
 912                         AND `item`.`parent-uri` = ?
 913                         AND NOT `author`.`hidden` AND NOT `author`.`blocked`
 914                         ORDER BY `item`.`commented` DESC LIMIT ".intval($max_comments + 1),
 915                         local_user(),
 916                         $parent['uri']
 917                 );
 918                 $comments = dba::inArray($thread_items);
 919
 920                 // Check if the original item is in the result.
 921                 // When commenting from the community page there can be incomplete threads
 922                 if (count($comments) > 0) {
 923                         $parent_found = false;
 924                         foreach ($comments as $comment) {
 925                                 if ($comment['uri'] == $comment['parent-uri']) {
 926                                         $parent_found = true;
 927                                         break;
 928                                 }
 929                         }
 930                         if (!$parent_found) {
 931                                 $comments = [];
 932                         }
 933                 }
 934
 935                 if (count($comments) == 0) {
 936                         $thread_items = dba::p(item_query()." AND `item`.`uid` = 0
 937                                 AND `item`.`parent-uri` = ?
 938                                 ORDER BY `item`.`commented` DESC LIMIT ".intval($max_comments + 1),
 939                                 $parent['uri']
 940                         );
 941                         $comments = dba::inArray($thread_items);
 942                 }
 943
 944                 if (count($comments) != 0) {
 945                         $items = array_merge($items, $comments);
 946                 }
 947         }
 948
 949         foreach ($items as $index => $item) {
 950                 if ($item['uid'] == 0) {
 951                         $items[$index]['writable'] = in_array($item['network'], [NETWORK_OSTATUS, NETWORK_DIASPORA, NETWORK_DFRN]);
 952                 }
 953         }
 954
 955         $items = conv_sort($items, "`commented`");
 956
 957         return $items;
 958 }
 959
 960 function best_link_url($item, &$sparkle, $url = '') {
 961
 962         $best_url = '';
 963         $sparkle  = false;
 964
 965         $clean_url = normalise_link($item['author-link']);
 966
 967         if (local_user()) {
 968                 $condition = [
 969                         'network' => NETWORK_DFRN,
 970                         'uid' => local_user(),
 971                         'nurl' => normalise_link($clean_url),
 972                         'pending' => false
 973                 ];
 974                 $contact = dba::selectFirst('contact', ['id'], $condition);
 975                 if (DBM::is_result($contact)) {
 976                         $best_url = 'redir/' . $contact['id'];
 977                         $sparkle = true;
 978                         if ($url != '') {
 979                                 $hostname = get_app()->get_hostname();
 980                                 if (!strstr($url, $hostname)) {
 981                                         $best_url .= "?url=".$url;
 982                                 } else {
 983                                         $best_url = $url;
 984                                 }
 985                         }
 986                 }
 987         }
 988         if (! $best_url) {
 989                 if ($url != '') {
 990                         $best_url = $url;
 991                 } elseif (strlen($item['author-link'])) {
 992                         $best_url = $item['author-link'];
 993                 } else {
 994                         $best_url = $item['url'];
 995                 }
 996         }
 997
 998         return $best_url;
 999 }
1000
1001
1002 function item_photo_menu($item) {
1003         $sub_link = '';
1004         $poke_link = '';
1005         $contact_url = '';
1006         $pm_url = '';
1007         $status_link = '';
1008         $photos_link = '';
1009         $posts_link = '';
1010
1011         if ((local_user()) && local_user() == $item['uid'] && $item['parent'] == $item['id'] && (! $item['self'])) {
1012                 $sub_link = 'javascript:dosubthread(' . $item['id'] . '); return false;';
1013         }
1014
1015         $sparkle = false;
1016         $profile_link = best_link_url($item, $sparkle);
1017         if ($profile_link === 'mailbox') {
1018                 $profile_link = '';
1019         }
1020
1021         $cid = 0;
1022         $network = '';
1023         $rel = 0;
1024         $condition = ['uid' => local_user(), 'nurl' => normalise_link($item['author-link'])];
1025         $contact = dba::selectFirst('contact', ['id', 'network', 'rel'], $condition);
1026         if (DBM::is_result($contact)) {
1027                 $cid = $contact['id'];
1028                 $network = $contact['network'];
1029                 $rel = $contact['rel'];
1030         }
1031
1032         if ($sparkle) {
1033                 $status_link = $profile_link . '?url=status';
1034                 $photos_link = $profile_link . '?url=photos';
1035                 $profile_link = $profile_link . '?url=profile';
1036         } else {
1037                 $profile_link = Profile::zrl($profile_link);
1038         }
1039
1040         if ($cid && !$item['self']) {
1041                 $poke_link = 'poke/?f=&c=' . $cid;
1042                 $contact_url = 'contacts/' . $cid;
1043                 $posts_link = 'contacts/' . $cid . '/posts';
1044
1045                 if (in_array($network, [NETWORK_DFRN, NETWORK_DIASPORA])) {
1046                         $pm_url = 'message/new/' . $cid;
1047                 }
1048         }
1049
1050         if (local_user()) {
1051                 $menu = [
1052                         L10n::t('Follow Thread') => $sub_link,
1053                         L10n::t('View Status') => $status_link,
1054                         L10n::t('View Profile') => $profile_link,
1055                         L10n::t('View Photos') => $photos_link,
1056                         L10n::t('Network Posts') => $posts_link,
1057                         L10n::t('View Contact') => $contact_url,
1058                         L10n::t('Send PM') => $pm_url
1059                 ];
1060
1061                 if ($network == NETWORK_DFRN) {
1062                         $menu[L10n::t("Poke")] = $poke_link;
1063                 }
1064
1065                 if ((($cid == 0) || ($rel == CONTACT_IS_FOLLOWER)) &&
1066                         in_array($item['network'], [NETWORK_DFRN, NETWORK_OSTATUS, NETWORK_DIASPORA])) {
1067                         $menu[L10n::t('Connect/Follow')] = 'follow?url=' . urlencode($item['author-link']);
1068                 }
1069         } else {
1070                 $menu = [L10n::t('View Profile') => $item['author-link']];
1071         }
1072
1073         $args = ['item' => $item, 'menu' => $menu];
1074
1075         Addon::callHooks('item_photo_menu', $args);
1076
1077         $menu = $args['menu'];
1078
1079         $o = '';
1080         foreach ($menu as $k => $v) {
1081                 if (strpos($v, 'javascript:') === 0) {
1082                         $v = substr($v, 11);
1083                         $o .= '<li role="menuitem"><a onclick="' . $v . '">' . $k . '</a></li>' . PHP_EOL;
1084                 } elseif ($v!='') {
1085                         $o .= '<li role="menuitem"><a href="' . $v . '">' . $k . '</a></li>' . PHP_EOL;
1086                 }
1087         }
1088         return $o;
1089 }
1090
1091 /**
1092  * @brief Checks item to see if it is one of the builtin activities (like/dislike, event attendance, consensus items, etc.)
1093  * Increments the count of each matching activity and adds a link to the author as needed.
1094  *
1095  * @param array $item
1096  * @param array &$conv_responses (already created with builtin activity structure)
1097  * @return void
1098  */
1099 function builtin_activity_puller($item, &$conv_responses) {
1100         foreach ($conv_responses as $mode => $v) {
1101                 $url = '';
1102                 $sparkle = '';
1103
1104                 switch ($mode) {
1105                         case 'like':
1106                                 $verb = ACTIVITY_LIKE;
1107                                 break;
1108                         case 'dislike':
1109                                 $verb = ACTIVITY_DISLIKE;
1110                                 break;
1111                         case 'attendyes':
1112                                 $verb = ACTIVITY_ATTEND;
1113                                 break;
1114                         case 'attendno':
1115                                 $verb = ACTIVITY_ATTENDNO;
1116                                 break;
1117                         case 'attendmaybe':
1118                                 $verb = ACTIVITY_ATTENDMAYBE;
1119                                 break;
1120                         default:
1121                                 return;
1122                 }
1123
1124                 if ((activity_match($item['verb'], $verb)) && ($item['id'] != $item['parent'])) {
1125                         $url = $item['author-link'];
1126                         if ((local_user()) && (local_user() == $item['uid']) && ($item['network'] === NETWORK_DFRN) && (! $item['self']) && (link_compare($item['author-link'], $item['url']))) {
1127                                 $url = 'redir/' . $item['contact-id'];
1128                                 $sparkle = ' class="sparkle" ';
1129                         } else {
1130                                 $url = Profile::zrl($url);
1131                         }
1132
1133                         $url = '<a href="'. $url . '"'. $sparkle .'>' . htmlentities($item['author-name']) . '</a>';
1134
1135                         if (! $item['thr-parent']) {
1136                                 $item['thr-parent'] = $item['parent-uri'];
1137                         }
1138
1139                         if (! ((isset($conv_responses[$mode][$item['thr-parent'] . '-l']))
1140                                 && (is_array($conv_responses[$mode][$item['thr-parent'] . '-l'])))) {
1141                                 $conv_responses[$mode][$item['thr-parent'] . '-l'] = [];
1142                         }
1143
1144                         // only list each unique author once
1145                         if (in_array($url,$conv_responses[$mode][$item['thr-parent'] . '-l'])) {
1146                                 continue;
1147                         }
1148
1149                         if (! isset($conv_responses[$mode][$item['thr-parent']])) {
1150                                 $conv_responses[$mode][$item['thr-parent']] = 1;
1151                         } else {
1152                                 $conv_responses[$mode][$item['thr-parent']] ++;
1153                         }
1154
1155                         if (public_contact() == $item['author-id']) {
1156                                 $conv_responses[$mode][$item['thr-parent'] . '-self'] = 1;
1157                         }
1158
1159                         $conv_responses[$mode][$item['thr-parent'] . '-l'][] = $url;
1160
1161                         // there can only be one activity verb per item so if we found anything, we can stop looking
1162                         return;
1163                 }
1164         }
1165 }
1166
1167 /**
1168  * Format the vote text for a profile item
1169  * @param int $cnt = number of people who vote the item
1170  * @param array $arr = array of pre-linked names of likers/dislikers
1171  * @param string $type = one of 'like, 'dislike', 'attendyes', 'attendno', 'attendmaybe'
1172  * @param int $id  = item id
1173  * @return string formatted text
1174  */
1175 function format_like($cnt, array $arr, $type, $id) {
1176         $o = '';
1177         $expanded = '';
1178
1179         if ($cnt == 1) {
1180                 $likers = $arr[0];
1181
1182                 // Phrase if there is only one liker. In other cases it will be uses for the expanded
1183                 // list which show all likers
1184                 switch ($type) {
1185                         case 'like' :
1186                                 $phrase = L10n::t('%s likes this.', $likers);
1187                                 break;
1188                         case 'dislike' :
1189                                 $phrase = L10n::t('%s doesn\'t like this.', $likers);
1190                                 break;
1191                         case 'attendyes' :
1192                                 $phrase = L10n::t('%s attends.', $likers);
1193                                 break;
1194                         case 'attendno' :
1195                                 $phrase = L10n::t('%s doesn\'t attend.', $likers);
1196                                 break;
1197                         case 'attendmaybe' :
1198                                 $phrase = L10n::t('%s attends maybe.', $likers);
1199                                 break;
1200                 }
1201         }
1202
1203         if ($cnt > 1) {
1204                 $total = count($arr);
1205                 if ($total >= MAX_LIKERS) {
1206                         $arr = array_slice($arr, 0, MAX_LIKERS - 1);
1207                 }
1208                 if ($total < MAX_LIKERS) {
1209                         $last = L10n::t('and') . ' ' . $arr[count($arr)-1];
1210                         $arr2 = array_slice($arr, 0, -1);
1211                         $str = implode(', ', $arr2) . ' ' . $last;
1212                 }
1213                 if ($total >= MAX_LIKERS) {
1214                         $str = implode(', ', $arr);
1215                         $str .= L10n::t('and %d other people', $total - MAX_LIKERS );
1216                 }
1217
1218                 $likers = $str;
1219
1220                 $spanatts = "class=\"fakelink\" onclick=\"openClose('{$type}list-$id');\"";
1221
1222                 switch ($type) {
1223                         case 'like':
1224                                 $phrase = L10n::t('<span  %1$s>%2$d people</span> like this', $spanatts, $cnt);
1225                                 $explikers = L10n::t('%s like this.', $likers);
1226                                 break;
1227                         case 'dislike':
1228                                 $phrase = L10n::t('<span  %1$s>%2$d people</span> don\'t like this', $spanatts, $cnt);
1229                                 $explikers = L10n::t('%s don\'t like this.', $likers);
1230                                 break;
1231                         case 'attendyes':
1232                                 $phrase = L10n::t('<span  %1$s>%2$d people</span> attend', $spanatts, $cnt);
1233                                 $explikers = L10n::t('%s attend.', $likers);
1234                                 break;
1235                         case 'attendno':
1236                                 $phrase = L10n::t('<span  %1$s>%2$d people</span> don\'t attend', $spanatts, $cnt);
1237                                 $explikers = L10n::t('%s don\'t attend.', $likers);
1238                                 break;
1239                         case 'attendmaybe':
1240                                 $phrase = L10n::t('<span  %1$s>%2$d people</span> attend maybe', $spanatts, $cnt);
1241                                 $explikers = L10n::t('%s anttend maybe.', $likers);
1242                                 break;
1243                 }
1244
1245                 $expanded .= "\t" . '<div class="wall-item-' . $type . '-expanded" id="' . $type . 'list-' . $id . '" style="display: none;" >' . $explikers . EOL . '</div>';
1246         }
1247
1248         $phrase .= EOL ;
1249         $o .= replace_macros(get_markup_template('voting_fakelink.tpl'), [
1250                 '$phrase' => $phrase,
1251                 '$type' => $type,
1252                 '$id' => $id
1253         ]);
1254         $o .= $expanded;
1255
1256         return $o;
1257 }
1258
1259 function status_editor(App $a, $x, $notes_cid = 0, $popup = false)
1260 {
1261         $o = '';
1262
1263         $geotag = x($x, 'allow_location') ? replace_macros(get_markup_template('jot_geotag.tpl'), []) : '';
1264
1265         $tpl = get_markup_template('jot-header.tpl');
1266         $a->page['htmlhead'] .= replace_macros($tpl, [
1267                 '$newpost'   => 'true',
1268                 '$baseurl'   => System::baseUrl(true),
1269                 '$geotag'    => $geotag,
1270                 '$nickname'  => $x['nickname'],
1271                 '$ispublic'  => L10n::t('Visible to <strong>everybody</strong>'),
1272                 '$linkurl'   => L10n::t('Please enter a link URL:'),
1273                 '$vidurl'    => L10n::t("Please enter a video link/URL:"),
1274                 '$audurl'    => L10n::t("Please enter an audio link/URL:"),
1275                 '$term'      => L10n::t('Tag term:'),
1276                 '$fileas'    => L10n::t('Save to Folder:'),
1277                 '$whereareu' => L10n::t('Where are you right now?'),
1278                 '$delitems'  => L10n::t("Delete item\x28s\x29?")
1279         ]);
1280
1281         $tpl = get_markup_template('jot-end.tpl');
1282         $a->page['end'] .= replace_macros($tpl, [
1283                 '$newpost'   => 'true',
1284                 '$baseurl'   => System::baseUrl(true),
1285                 '$geotag'    => $geotag,
1286                 '$nickname'  => $x['nickname'],
1287                 '$ispublic'  => L10n::t('Visible to <strong>everybody</strong>'),
1288                 '$linkurl'   => L10n::t('Please enter a link URL:'),
1289                 '$vidurl'    => L10n::t("Please enter a video link/URL:"),
1290                 '$audurl'    => L10n::t("Please enter an audio link/URL:"),
1291                 '$term'      => L10n::t('Tag term:'),
1292                 '$fileas'    => L10n::t('Save to Folder:'),
1293                 '$whereareu' => L10n::t('Where are you right now?')
1294         ]);
1295
1296         $jotplugins = '';
1297         Addon::callHooks('jot_tool', $jotplugins);
1298
1299         // Private/public post links for the non-JS ACL form
1300         $private_post = 1;
1301         if (x($_REQUEST, 'public')) {
1302                 $private_post = 0;
1303         }
1304
1305         $query_str = $a->query_string;
1306         if (strpos($query_str, 'public=1') !== false) {
1307                 $query_str = str_replace(['?public=1', '&public=1'], ['', ''], $query_str);
1308         }
1309
1310         /*
1311          * I think $a->query_string may never have ? in it, but I could be wrong
1312          * It looks like it's from the index.php?q=[etc] rewrite that the web
1313          * server does, which converts any ? to &, e.g. suggest&ignore=61 for suggest?ignore=61
1314          */
1315         if (strpos($query_str, '?') === false) {
1316                 $public_post_link = '?public=1';
1317         } else {
1318                 $public_post_link = '&public=1';
1319         }
1320
1321         // $tpl = replace_macros($tpl,array('$jotplugins' => $jotplugins));
1322         $tpl = get_markup_template("jot.tpl");
1323
1324         $o .= replace_macros($tpl,[
1325                 '$return_path'  => $query_str,
1326                 '$action'       => 'item',
1327                 '$share'        => defaults($x, 'button', L10n::t('Share')),
1328                 '$upload'       => L10n::t('Upload photo'),
1329                 '$shortupload'  => L10n::t('upload photo'),
1330                 '$attach'       => L10n::t('Attach file'),
1331                 '$shortattach'  => L10n::t('attach file'),
1332                 '$weblink'      => L10n::t('Insert web link'),
1333                 '$shortweblink' => L10n::t('web link'),
1334                 '$video'        => L10n::t('Insert video link'),
1335                 '$shortvideo'   => L10n::t('video link'),
1336                 '$audio'        => L10n::t('Insert audio link'),
1337                 '$shortaudio'   => L10n::t('audio link'),
1338                 '$setloc'       => L10n::t('Set your location'),
1339                 '$shortsetloc'  => L10n::t('set location'),
1340                 '$noloc'        => L10n::t('Clear browser location'),
1341                 '$shortnoloc'   => L10n::t('clear location'),
1342                 '$title'        => defaults($x, 'title', ''),
1343                 '$placeholdertitle' => L10n::t('Set title'),
1344                 '$category'     => defaults($x, 'category', ''),
1345                 '$placeholdercategory' => Feature::isEnabled(local_user(), 'categories') ? L10n::t("Categories \x28comma-separated list\x29") : '',
1346                 '$wait'         => L10n::t('Please wait'),
1347                 '$permset'      => L10n::t('Permission settings'),
1348                 '$shortpermset' => L10n::t('permissions'),
1349                 '$ptyp'         => $notes_cid ? 'note' : 'wall',
1350                 '$content'      => defaults($x, 'content', ''),
1351                 '$post_id'      => defaults($x, 'post_id', ''),
1352                 '$baseurl'      => System::baseUrl(true),
1353                 '$defloc'       => $x['default_location'],
1354                 '$visitor'      => $x['visitor'],
1355                 '$pvisit'       => $notes_cid ? 'none' : $x['visitor'],
1356                 '$public'       => L10n::t('Public post'),
1357                 '$lockstate'    => $x['lockstate'],
1358                 '$bang'         => $x['bang'],
1359                 '$profile_uid'  => $x['profile_uid'],
1360                 '$preview'      => Feature::isEnabled($x['profile_uid'], 'preview') ? L10n::t('Preview') : '',
1361                 '$jotplugins'   => $jotplugins,
1362                 '$notes_cid'    => $notes_cid,
1363                 '$sourceapp'    => L10n::t($a->sourcename),
1364                 '$cancel'       => L10n::t('Cancel'),
1365                 '$rand_num'     => random_digits(12),
1366
1367                 // ACL permissions box
1368                 '$acl'           => $x['acl'],
1369                 '$group_perms'   => L10n::t('Post to Groups'),
1370                 '$contact_perms' => L10n::t('Post to Contacts'),
1371                 '$private'       => L10n::t('Private post'),
1372                 '$is_private'    => $private_post,
1373                 '$public_link'   => $public_post_link,
1374
1375                 //jot nav tab (used in some themes)
1376                 '$message' => L10n::t('Message'),
1377                 '$browser' => L10n::t('Browser'),
1378         ]);
1379
1380
1381         if ($popup == true) {
1382                 $o = '<div id="jot-popup" style="display: none;">' . $o . '</div>';
1383         }
1384
1385         return $o;
1386 }
1387
1388 /**
1389  * Plucks the children of the given parent from a given item list.
1390  *
1391  * @brief Plucks all the children in the given item list of the given parent
1392  *
1393  * @param array $item_list
1394  * @param array $parent
1395  * @param bool $recursive
1396  * @return type
1397  */
1398 function get_item_children(array &$item_list, array $parent, $recursive = true)
1399 {
1400         $children = [];
1401         foreach ($item_list as $i => $item) {
1402                 if ($item['id'] != $item['parent']) {
1403                         if ($recursive) {
1404                                 // Fallback to parent-uri if thr-parent is not set
1405                                 $thr_parent = $item['thr-parent'];
1406                                 if ($thr_parent == '') {
1407                                         $thr_parent = $item['parent-uri'];
1408                                 }
1409
1410                                 if ($thr_parent == $parent['uri']) {
1411                                         $item['children'] = get_item_children($item_list, $item);
1412                                         $children[] = $item;
1413                                         unset($item_list[$i]);
1414                                 }
1415                         } elseif ($item['parent'] == $parent['id']) {
1416                                 $children[] = $item;
1417                                 unset($item_list[$i]);
1418                         }
1419                 }
1420         }
1421         return $children;
1422 }
1423
1424 /**
1425  * @brief Recursively sorts a tree-like item array
1426  *
1427  * @param array $items
1428  * @return array
1429  */
1430 function sort_item_children(array $items)
1431 {
1432         $result = $items;
1433         usort($result, 'sort_thr_created_rev');
1434         foreach ($result as $k => $i) {
1435                 if (isset($result[$k]['children'])) {
1436                         $result[$k]['children'] = sort_item_children($result[$k]['children']);
1437                 }
1438         }
1439         return $result;
1440 }
1441
1442 /**
1443  * @brief Recursively add all children items at the top level of a list
1444  *
1445  * @param array $children List of items to append
1446  * @param array $item_list
1447  */
1448 function add_children_to_list(array $children, array &$item_list)
1449 {
1450         foreach ($children as $child) {
1451                 $item_list[] = $child;
1452                 if (isset($child['children'])) {
1453                         add_children_to_list($child['children'], $item_list);
1454                 }
1455         }
1456 }
1457
1458 /**
1459  * This recursive function takes the item tree structure created by conv_sort() and
1460  * flatten the extraneous depth levels when people reply sequentially, removing the
1461  * stairs effect in threaded conversations limiting the available content width.
1462  *
1463  * The basic principle is the following: if a post item has only one reply and is
1464  * the last reply of its parent, then the reply is moved to the parent.
1465  *
1466  * This process is rendered somewhat more complicated because items can be either
1467  * replies or likes, and these don't factor at all in the reply count/last reply.
1468  *
1469  * @brief Selectively flattens a tree-like item structure to prevent threading stairs
1470  *
1471  * @param array $parent A tree-like array of items
1472  * @return array
1473  */
1474 function smart_flatten_conversation(array $parent)
1475 {
1476         if (! isset($parent['children']) || count($parent['children']) == 0) {
1477                 return $parent;
1478         }
1479
1480         // We use a for loop to ensure we process the newly-moved items
1481         for ($i = 0; $i < count($parent['children']); $i++) {
1482                 $child = $parent['children'][$i];
1483
1484                 if (isset($child['children']) && count($child['children'])) {
1485                         // This helps counting only the regular posts
1486                         $count_post_closure = function($var) {
1487                                 return $var['verb'] === ACTIVITY_POST;
1488                         };
1489
1490                         $child_post_count = count(array_filter($child['children'], $count_post_closure));
1491
1492                         $remaining_post_count = count(array_filter(array_slice($parent['children'], $i), $count_post_closure));
1493
1494                         // If there's only one child's children post and this is the last child post
1495                         if ($child_post_count == 1 && $remaining_post_count == 1) {
1496
1497                                 // Searches the post item in the children
1498                                 $j = 0;
1499                                 while($child['children'][$j]['verb'] !== ACTIVITY_POST && $j < count($child['children'])) {
1500                                         $j ++;
1501                                 }
1502
1503                                 $moved_item = $child['children'][$j];
1504                                 unset($parent['children'][$i]['children'][$j]);
1505                                 $parent['children'][] = $moved_item;
1506                         } else {
1507                                 $parent['children'][$i] = smart_flatten_conversation($child);
1508                         }
1509                 }
1510         }
1511
1512         return $parent;
1513 }
1514
1515
1516 /**
1517  * Expands a flat list of items into corresponding tree-like conversation structures,
1518  * sort the top-level posts either on "created" or "commented", and finally
1519  * append all the items at the top level (???)
1520  *
1521  * @brief Expands a flat item list into a conversation array for display
1522  *
1523  * @param array  $item_list A list of items belonging to one or more conversations
1524  * @param string $order     Either on "created" or "commented"
1525  * @return array
1526  */
1527 function conv_sort(array $item_list, $order)
1528 {
1529         $parents = [];
1530
1531         if (!(is_array($item_list) && count($item_list))) {
1532                 return $parents;
1533         }
1534
1535         $item_array = [];
1536
1537         // Dedupes the item list on the uri to prevent infinite loops
1538         foreach ($item_list as $item) {
1539                 $item_array[$item['uri']] = $item;
1540         }
1541
1542         // Extract the top level items
1543         foreach ($item_array as $item) {
1544                 if ($item['id'] == $item['parent']) {
1545                         $parents[] = $item;
1546                 }
1547         }
1548
1549         if (stristr($order, 'created')) {
1550                 usort($parents, 'sort_thr_created');
1551         } elseif (stristr($order, 'commented')) {
1552                 usort($parents, 'sort_thr_commented');
1553         }
1554
1555         /*
1556          * Plucks children from the item_array, second pass collects eventual orphan
1557          * items and add them as children of their top-level post.
1558          */
1559         foreach ($parents as $i => $parent) {
1560                 $parents[$i]['children'] =
1561                         array_merge(get_item_children($item_array, $parent, true),
1562                                 get_item_children($item_array, $parent, false));
1563         }
1564
1565         foreach ($parents as $i => $parent) {
1566                 $parents[$i]['children'] = sort_item_children($parents[$i]['children']);
1567         }
1568
1569         if (PConfig::get(local_user(), 'system', 'smart_threading', 0)) {
1570                 foreach ($parents as $i => $parent) {
1571                         $parents[$i] = smart_flatten_conversation($parent);
1572                 }
1573         }
1574
1575         /// @TODO: Stop recusrsively adding all children back to the top level (!!!)
1576         /// However, this apparently ensures responses (likes, attendance) display (?!)
1577         foreach ($parents as $parent) {
1578                 if (count($parent['children'])) {
1579                         add_children_to_list($parent['children'], $parents);
1580                 }
1581         }
1582
1583         return $parents;
1584 }
1585
1586 /**
1587  * @brief usort() callback to sort item arrays by the created key
1588  *
1589  * @param array $a
1590  * @param array $b
1591  * @return int
1592  */
1593 function sort_thr_created(array $a, array $b)
1594 {
1595         return strcmp($b['created'], $a['created']);
1596 }
1597
1598 /**
1599  * @brief usort() callback to reverse sort item arrays by the created key
1600  *
1601  * @param array $a
1602  * @param array $b
1603  * @return int
1604  */
1605 function sort_thr_created_rev(array $a, array $b)
1606 {
1607         return strcmp($a['created'], $b['created']);
1608 }
1609
1610 /**
1611  * @brief usort() callback to sort item arrays by the commented key
1612  *
1613  * @param array $a
1614  * @param array $b
1615  * @return type
1616  */
1617 function sort_thr_commented(array $a, array $b)
1618 {
1619         return strcmp($b['commented'], $a['commented']);
1620 }
1621
1622 /// @TODO Add type-hint
1623 function render_location_dummy($item) {
1624         if ($item['location'] != "") {
1625                 return $item['location'];
1626         }
1627
1628         if ($item['coord'] != "") {
1629                 return $item['coord'];
1630         }
1631 }
1632
1633 /// @TODO Add type-hint
1634 function get_responses($conv_responses, $response_verbs, $ob, $item) {
1635         $ret = [];
1636         foreach ($response_verbs as $v) {
1637                 $ret[$v] = [];
1638                 $ret[$v]['count'] = defaults($conv_responses[$v], $item['uri'], '');
1639                 $ret[$v]['list']  = defaults($conv_responses[$v], $item['uri'] . '-l', '');
1640                 $ret[$v]['self']  = defaults($conv_responses[$v], $item['uri'] . '-self', '0');
1641                 if (count($ret[$v]['list']) > MAX_LIKERS) {
1642                         $ret[$v]['list_part'] = array_slice($ret[$v]['list'], 0, MAX_LIKERS);
1643                         array_push($ret[$v]['list_part'], '<a href="#" data-toggle="modal" data-target="#' . $v . 'Modal-'
1644                                 . (($ob) ? $ob->getId() : $item['id']) . '"><b>' . L10n::t('View all') . '</b></a>');
1645                 } else {
1646                         $ret[$v]['list_part'] = '';
1647                 }
1648                 $ret[$v]['button'] = get_response_button_text($v, $ret[$v]['count']);
1649                 $ret[$v]['title'] = $conv_responses[$v]['title'];
1650         }
1651
1652         $count = 0;
1653         foreach ($ret as $key) {
1654                 if ($key['count'] == true) {
1655                         $count++;
1656                 }
1657         }
1658         $ret['count'] = $count;
1659
1660         return $ret;
1661 }
1662
1663 function get_response_button_text($v, $count)
1664 {
1665         switch ($v) {
1666                 case 'like':
1667                         $return = L10n::tt('Like', 'Likes', $count);
1668                         break;
1669                 case 'dislike':
1670                         $return = L10n::tt('Dislike', 'Dislikes', $count);
1671                         break;
1672                 case 'attendyes':
1673                         $return = L10n::tt('Attending', 'Attending', $count);
1674                         break;
1675                 case 'attendno':
1676                         $return = L10n::tt('Not Attending', 'Not Attending', $count);
1677                         break;
1678                 case 'attendmaybe':
1679                         $return = L10n::tt('Undecided', 'Undecided', $count);
1680                         break;
1681         }
1682
1683         return $return;
1684 }