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 "STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id` AND
 474                 (NOT `contact`.`blocked` OR `contact`.`pending`)
 475                 LEFT JOIN `contact` AS `author` ON `author`.`id`=`item`.`author-id`
 476                 LEFT JOIN `contact` AS `owner` ON `owner`.`id`=`item`.`owner-id`
 477                 LEFT JOIN `event` ON `event-id` = `event`.`id`";
 478 }
 479
 480 /**
 481  * @brief SQL condition for items that are needed for displaying items
 482  */
 483 function item_condition() {
 484         return "`item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`";
 485 }
 486
 487 /**
 488  * "Render" a conversation or list of items for HTML display.
 489  * There are two major forms of display:
 490  *      - Sequential or unthreaded ("New Item View" or search results)
 491  *      - conversation view
 492  * The $mode parameter decides between the various renderings and also
 493  * figures out how to determine page owner and other contextual items
 494  * that are based on unique features of the calling module.
 495  *
 496  */
 497 function conversation(App $a, $items, $mode, $update, $preview = false, $order = 'commented') {
 498         require_once 'mod/proxy.php';
 499
 500         $ssl_state = ((local_user()) ? true : false);
 501
 502         $profile_owner = 0;
 503         $live_update_div = '';
 504
 505         $arr_blocked = null;
 506
 507         if (local_user()) {
 508                 $str_blocked = PConfig::get(local_user(), 'system', 'blocked');
 509                 if ($str_blocked) {
 510                         $arr_blocked = explode(',', $str_blocked);
 511                         for ($x = 0; $x < count($arr_blocked); $x ++) {
 512                                 $arr_blocked[$x] = trim($arr_blocked[$x]);
 513                         }
 514                 }
 515
 516         }
 517
 518         $previewing = (($preview) ? ' preview ' : '');
 519
 520         if ($mode === 'network') {
 521                 $items = conversation_add_children($items, false, $order);
 522                 $profile_owner = local_user();
 523                 if (!$update) {
 524                         /*
 525                          * The special div is needed for liveUpdate to kick in for this page.
 526                          * We only launch liveUpdate if you aren't filtering in some incompatible
 527                          * way and also you aren't writing a comment (discovered in javascript).
 528                          */
 529                         $live_update_div = '<div id="live-network"></div>' . "\r\n"
 530                                 . "<script> var profile_uid = " . $_SESSION['uid']
 531                                 . "; var netargs = '" . substr($a->cmd, 8)
 532                                 . '?f='
 533                                 . ((x($_GET, 'cid'))    ? '&cid='    . $_GET['cid']    : '')
 534                                 . ((x($_GET, 'search')) ? '&search=' . $_GET['search'] : '')
 535                                 . ((x($_GET, 'star'))   ? '&star='   . $_GET['star']   : '')
 536                                 . ((x($_GET, 'order'))  ? '&order='  . $_GET['order']  : '')
 537                                 . ((x($_GET, 'bmark'))  ? '&bmark='  . $_GET['bmark']  : '')
 538                                 . ((x($_GET, 'liked'))  ? '&liked='  . $_GET['liked']  : '')
 539                                 . ((x($_GET, 'conv'))   ? '&conv='   . $_GET['conv']   : '')
 540                                 . ((x($_GET, 'spam'))   ? '&spam='   . $_GET['spam']   : '')
 541                                 . ((x($_GET, 'nets'))   ? '&nets='   . $_GET['nets']   : '')
 542                                 . ((x($_GET, 'cmin'))   ? '&cmin='   . $_GET['cmin']   : '')
 543                                 . ((x($_GET, 'cmax'))   ? '&cmax='   . $_GET['cmax']   : '')
 544                                 . ((x($_GET, 'file'))   ? '&file='   . $_GET['file']   : '')
 545
 546                                 . "'; var profile_page = " . $a->pager['page'] . "; </script>\r\n";
 547                 }
 548         } elseif ($mode === 'profile') {
 549                 $profile_owner = $a->profile['profile_uid'];
 550
 551                 if (!$update) {
 552                         $tab = 'posts';
 553                         if (x($_GET, 'tab')) {
 554                                 $tab = notags(trim($_GET['tab']));
 555                         }
 556                         if ($tab === 'posts') {
 557                                 /*
 558                                  * This is ugly, but we can't pass the profile_uid through the session to the ajax updater,
 559                                  * because browser prefetching might change it on us. We have to deliver it with the page.
 560                                  */
 561
 562                                 $live_update_div = '<div id="live-profile"></div>' . "\r\n"
 563                                         . "<script> var profile_uid = " . $a->profile['profile_uid']
 564                                         . "; var netargs = '?f='; var profile_page = " . $a->pager['page'] . "; </script>\r\n";
 565                         }
 566                 }
 567         } elseif ($mode === 'notes') {
 568                 $profile_owner = local_user();
 569                 if (!$update) {
 570                         $live_update_div = '<div id="live-notes"></div>' . "\r\n"
 571                                 . "<script> var profile_uid = " . local_user()
 572                                 . "; var netargs = '/?f='; var profile_page = " . $a->pager['page'] . "; </script>\r\n";
 573                 }
 574         } elseif ($mode === 'display') {
 575                 $profile_owner = $a->profile['uid'];
 576                 if (!$update) {
 577                         $live_update_div = '<div id="live-display"></div>' . "\r\n"
 578                                 . "<script> var profile_uid = " . $_SESSION['uid'] . ";"
 579                                 . " var profile_page = 1; </script>";
 580                 }
 581         } elseif ($mode === 'community') {
 582                 $items = conversation_add_children($items, true, $order);
 583                 $profile_owner = 0;
 584                 if (!$update) {
 585                         $live_update_div = '<div id="live-community"></div>' . "\r\n"
 586                                 . "<script> var profile_uid = -1; var netargs = '" . substr($a->cmd, 10)
 587                                 ."/?f='; var profile_page = " . $a->pager['page'] . "; </script>\r\n";
 588                 }
 589         } elseif ($mode === 'search') {
 590                 $live_update_div = '<div id="live-search"></div>' . "\r\n";
 591         }
 592
 593         $page_dropping = ((local_user() && local_user() == $profile_owner) ? true : false);
 594
 595         if (!$update) {
 596                 $_SESSION['return_url'] = $a->query_string;
 597         }
 598
 599         $cb = ['items' => $items, 'mode' => $mode, 'update' => $update, 'preview' => $preview];
 600         Addon::callHooks('conversation_start',$cb);
 601
 602         $items = $cb['items'];
 603
 604         $conv_responses = [
 605                 'like' => ['title' => L10n::t('Likes','title')], 'dislike' => ['title' => L10n::t('Dislikes','title')],
 606                 'attendyes' => ['title' => L10n::t('Attending','title')], 'attendno' => ['title' => L10n::t('Not attending','title')], 'attendmaybe' => ['title' => L10n::t('Might attend','title')]
 607         ];
 608
 609         // array with html for each thread (parent+comments)
 610         $threads = [];
 611         $threadsid = -1;
 612
 613         $page_template = get_markup_template("conversation.tpl");
 614
 615         if ($items && count($items)) {
 616                 if ($mode === 'community') {
 617                         $writable = true;
 618                 } else {
 619                         $writable = ($items[0]['uid'] == 0) && in_array($items[0]['network'], [NETWORK_OSTATUS, NETWORK_DIASPORA, NETWORK_DFRN]);
 620                 }
 621
 622                 if (!local_user()) {
 623                         $writable = false;
 624                 }
 625
 626                 if (in_array($mode, ['network-new', 'search', 'contact-posts'])) {
 627
 628                         /*
 629                          * "New Item View" on network page or search page results
 630                          * - just loop through the items and format them minimally for display
 631                          */
 632
 633                         $tpl = 'search_item.tpl';
 634
 635                         foreach ($items as $item) {
 636
 637                                 if (!visible_activity($item)) {
 638                                         continue;
 639                                 }
 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 $parents Parent items
 902  *
 903  * @return array items with parents and comments
 904  */
 905 function conversation_add_children($parents, $block_authors, $order) {
 906         $max_comments = Config::get('system', 'max_comments', 100);
 907
 908         if ($max_comments > 0) {
 909                 $limit = ' LIMIT '.intval($max_comments + 1);
 910         } else {
 911                 $limit = '';
 912         }
 913
 914         $items = [];
 915
 916         $block_sql = $block_authors ? "AND NOT `author`.`hidden` AND NOT `author`.`blocked`" : "";
 917
 918         foreach ($parents AS $parent) {
 919                 $thread_items = dba::p(item_query()." AND `item`.`uid` = ?
 920                         AND `item`.`parent-uri` = ? $block_sql
 921                         ORDER BY `item`.`commented` DESC" . $limit,
 922                         local_user(),
 923                         $parent['uri']
 924                 );
 925                 $comments = dba::inArray($thread_items);
 926
 927                 // Check if the original item is in the result.
 928                 // When commenting from the community page there can be incomplete threads
 929                 if (count($comments) > 0) {
 930                         $parent_found = false;
 931                         foreach ($comments as $comment) {
 932                                 if ($comment['uri'] == $comment['parent-uri']) {
 933                                         $parent_found = true;
 934                                         break;
 935                                 }
 936                         }
 937                         if (!$parent_found) {
 938                                 $comments = [];
 939                         }
 940                 }
 941
 942                 if (count($comments) == 0) {
 943                         $thread_items = dba::p(item_query()." AND `item`.`uid` = 0
 944                                 AND `item`.`parent-uri` = ?
 945                                 ORDER BY `item`.`commented` DESC LIMIT ".intval($max_comments + 1),
 946                                 $parent['uri']
 947                         );
 948                         $comments = dba::inArray($thread_items);
 949                 }
 950
 951                 if (count($comments) != 0) {
 952                         $items = array_merge($items, $comments);
 953                 }
 954         }
 955
 956         foreach ($items as $index => $item) {
 957                 if ($item['uid'] == 0) {
 958                         $items[$index]['writable'] = in_array($item['network'], [NETWORK_OSTATUS, NETWORK_DIASPORA, NETWORK_DFRN]);
 959                 }
 960         }
 961
 962         $items = conv_sort($items, $order);
 963
 964         return $items;
 965 }
 966
 967 function best_link_url($item, &$sparkle, $url = '') {
 968
 969         $best_url = '';
 970         $sparkle  = false;
 971
 972         $clean_url = normalise_link($item['author-link']);
 973
 974         if (local_user()) {
 975                 $condition = [
 976                         'network' => NETWORK_DFRN,
 977                         'uid' => local_user(),
 978                         'nurl' => normalise_link($clean_url),
 979                         'pending' => false
 980                 ];
 981                 $contact = dba::selectFirst('contact', ['id'], $condition);
 982                 if (DBM::is_result($contact)) {
 983                         $best_url = 'redir/' . $contact['id'];
 984                         $sparkle = true;
 985                         if ($url != '') {
 986                                 $hostname = get_app()->get_hostname();
 987                                 if (!strstr($url, $hostname)) {
 988                                         $best_url .= "?url=".$url;
 989                                 } else {
 990                                         $best_url = $url;
 991                                 }
 992                         }
 993                 }
 994         }
 995         if (!$best_url) {
 996                 if ($url != '') {
 997                         $best_url = $url;
 998                 } elseif (strlen($item['author-link'])) {
 999                         $best_url = $item['author-link'];
1000                 } else {
1001                         $best_url = $item['url'];
1002                 }
1003         }
1004
1005         return $best_url;
1006 }
1007
1008
1009 function item_photo_menu($item) {
1010         $sub_link = '';
1011         $poke_link = '';
1012         $contact_url = '';
1013         $pm_url = '';
1014         $status_link = '';
1015         $photos_link = '';
1016         $posts_link = '';
1017
1018         if (local_user() && local_user() == $item['uid'] && $item['parent'] == $item['id'] && !$item['self']) {
1019                 $sub_link = 'javascript:dosubthread(' . $item['id'] . '); return false;';
1020         }
1021
1022         $sparkle = false;
1023         $profile_link = best_link_url($item, $sparkle);
1024         if ($profile_link === 'mailbox') {
1025                 $profile_link = '';
1026         }
1027
1028         $cid = 0;
1029         $network = '';
1030         $rel = 0;
1031         $condition = ['uid' => local_user(), 'nurl' => normalise_link($item['author-link'])];
1032         $contact = dba::selectFirst('contact', ['id', 'network', 'rel'], $condition);
1033         if (DBM::is_result($contact)) {
1034                 $cid = $contact['id'];
1035                 $network = $contact['network'];
1036                 $rel = $contact['rel'];
1037         }
1038
1039         if ($sparkle) {
1040                 $status_link = $profile_link . '?url=status';
1041                 $photos_link = $profile_link . '?url=photos';
1042                 $profile_link = $profile_link . '?url=profile';
1043         } else {
1044                 $profile_link = Profile::zrl($profile_link);
1045         }
1046
1047         if ($cid && !$item['self']) {
1048                 $poke_link = 'poke/?f=&c=' . $cid;
1049                 $contact_url = 'contacts/' . $cid;
1050                 $posts_link = 'contacts/' . $cid . '/posts';
1051
1052                 if (in_array($network, [NETWORK_DFRN, NETWORK_DIASPORA])) {
1053                         $pm_url = 'message/new/' . $cid;
1054                 }
1055         }
1056
1057         if (local_user()) {
1058                 $menu = [
1059                         L10n::t('Follow Thread') => $sub_link,
1060                         L10n::t('View Status') => $status_link,
1061                         L10n::t('View Profile') => $profile_link,
1062                         L10n::t('View Photos') => $photos_link,
1063                         L10n::t('Network Posts') => $posts_link,
1064                         L10n::t('View Contact') => $contact_url,
1065                         L10n::t('Send PM') => $pm_url
1066                 ];
1067
1068                 if ($network == NETWORK_DFRN) {
1069                         $menu[L10n::t("Poke")] = $poke_link;
1070                 }
1071
1072                 if ((($cid == 0) || ($rel == CONTACT_IS_FOLLOWER)) &&
1073                         in_array($item['network'], [NETWORK_DFRN, NETWORK_OSTATUS, NETWORK_DIASPORA])) {
1074                         $menu[L10n::t('Connect/Follow')] = 'follow?url=' . urlencode($item['author-link']);
1075                 }
1076         } else {
1077                 $menu = [L10n::t('View Profile') => $item['author-link']];
1078         }
1079
1080         $args = ['item' => $item, 'menu' => $menu];
1081
1082         Addon::callHooks('item_photo_menu', $args);
1083
1084         $menu = $args['menu'];
1085
1086         $o = '';
1087         foreach ($menu as $k => $v) {
1088                 if (strpos($v, 'javascript:') === 0) {
1089                         $v = substr($v, 11);
1090                         $o .= '<li role="menuitem"><a onclick="' . $v . '">' . $k . '</a></li>' . PHP_EOL;
1091                 } elseif ($v!='') {
1092                         $o .= '<li role="menuitem"><a href="' . $v . '">' . $k . '</a></li>' . PHP_EOL;
1093                 }
1094         }
1095         return $o;
1096 }
1097
1098 /**
1099  * @brief Checks item to see if it is one of the builtin activities (like/dislike, event attendance, consensus items, etc.)
1100  * Increments the count of each matching activity and adds a link to the author as needed.
1101  *
1102  * @param array $item
1103  * @param array &$conv_responses (already created with builtin activity structure)
1104  * @return void
1105  */
1106 function builtin_activity_puller($item, &$conv_responses) {
1107         foreach ($conv_responses as $mode => $v) {
1108                 $url = '';
1109                 $sparkle = '';
1110
1111                 switch ($mode) {
1112                         case 'like':
1113                                 $verb = ACTIVITY_LIKE;
1114                                 break;
1115                         case 'dislike':
1116                                 $verb = ACTIVITY_DISLIKE;
1117                                 break;
1118                         case 'attendyes':
1119                                 $verb = ACTIVITY_ATTEND;
1120                                 break;
1121                         case 'attendno':
1122                                 $verb = ACTIVITY_ATTENDNO;
1123                                 break;
1124                         case 'attendmaybe':
1125                                 $verb = ACTIVITY_ATTENDMAYBE;
1126                                 break;
1127                         default:
1128                                 return;
1129                 }
1130
1131                 if (activity_match($item['verb'], $verb) && ($item['id'] != $item['parent'])) {
1132                         $url = $item['author-link'];
1133                         if (local_user() && (local_user() == $item['uid']) && ($item['network'] === NETWORK_DFRN) && !$item['self'] && link_compare($item['author-link'], $item['url'])) {
1134                                 $url = 'redir/' . $item['contact-id'];
1135                                 $sparkle = ' class="sparkle" ';
1136                         } else {
1137                                 $url = Profile::zrl($url);
1138                         }
1139
1140                         $url = '<a href="'. $url . '"'. $sparkle .'>' . htmlentities($item['author-name']) . '</a>';
1141
1142                         if (!$item['thr-parent']) {
1143                                 $item['thr-parent'] = $item['parent-uri'];
1144                         }
1145
1146                         if (!(isset($conv_responses[$mode][$item['thr-parent'] . '-l'])
1147                                 && is_array($conv_responses[$mode][$item['thr-parent'] . '-l']))) {
1148                                 $conv_responses[$mode][$item['thr-parent'] . '-l'] = [];
1149                         }
1150
1151                         // only list each unique author once
1152                         if (in_array($url,$conv_responses[$mode][$item['thr-parent'] . '-l'])) {
1153                                 continue;
1154                         }
1155
1156                         if (!isset($conv_responses[$mode][$item['thr-parent']])) {
1157                                 $conv_responses[$mode][$item['thr-parent']] = 1;
1158                         } else {
1159                                 $conv_responses[$mode][$item['thr-parent']] ++;
1160                         }
1161
1162                         if (public_contact() == $item['author-id']) {
1163                                 $conv_responses[$mode][$item['thr-parent'] . '-self'] = 1;
1164                         }
1165
1166                         $conv_responses[$mode][$item['thr-parent'] . '-l'][] = $url;
1167
1168                         // there can only be one activity verb per item so if we found anything, we can stop looking
1169                         return;
1170                 }
1171         }
1172 }
1173
1174 /**
1175  * Format the vote text for a profile item
1176  * @param int $cnt = number of people who vote the item
1177  * @param array $arr = array of pre-linked names of likers/dislikers
1178  * @param string $type = one of 'like, 'dislike', 'attendyes', 'attendno', 'attendmaybe'
1179  * @param int $id  = item id
1180  * @return string formatted text
1181  */
1182 function format_like($cnt, array $arr, $type, $id) {
1183         $o = '';
1184         $expanded = '';
1185
1186         if ($cnt == 1) {
1187                 $likers = $arr[0];
1188
1189                 // Phrase if there is only one liker. In other cases it will be uses for the expanded
1190                 // list which show all likers
1191                 switch ($type) {
1192                         case 'like' :
1193                                 $phrase = L10n::t('%s likes this.', $likers);
1194                                 break;
1195                         case 'dislike' :
1196                                 $phrase = L10n::t('%s doesn\'t like this.', $likers);
1197                                 break;
1198                         case 'attendyes' :
1199                                 $phrase = L10n::t('%s attends.', $likers);
1200                                 break;
1201                         case 'attendno' :
1202                                 $phrase = L10n::t('%s doesn\'t attend.', $likers);
1203                                 break;
1204                         case 'attendmaybe' :
1205                                 $phrase = L10n::t('%s attends maybe.', $likers);
1206                                 break;
1207                 }
1208         }
1209
1210         if ($cnt > 1) {
1211                 $total = count($arr);
1212                 if ($total >= MAX_LIKERS) {
1213                         $arr = array_slice($arr, 0, MAX_LIKERS - 1);
1214                 }
1215                 if ($total < MAX_LIKERS) {
1216                         $last = L10n::t('and') . ' ' . $arr[count($arr)-1];
1217                         $arr2 = array_slice($arr, 0, -1);
1218                         $str = implode(', ', $arr2) . ' ' . $last;
1219                 }
1220                 if ($total >= MAX_LIKERS) {
1221                         $str = implode(', ', $arr);
1222                         $str .= L10n::t('and %d other people', $total - MAX_LIKERS );
1223                 }
1224
1225                 $likers = $str;
1226
1227                 $spanatts = "class=\"fakelink\" onclick=\"openClose('{$type}list-$id');\"";
1228
1229                 switch ($type) {
1230                         case 'like':
1231                                 $phrase = L10n::t('<span  %1$s>%2$d people</span> like this', $spanatts, $cnt);
1232                                 $explikers = L10n::t('%s like this.', $likers);
1233                                 break;
1234                         case 'dislike':
1235                                 $phrase = L10n::t('<span  %1$s>%2$d people</span> don\'t like this', $spanatts, $cnt);
1236                                 $explikers = L10n::t('%s don\'t like this.', $likers);
1237                                 break;
1238                         case 'attendyes':
1239                                 $phrase = L10n::t('<span  %1$s>%2$d people</span> attend', $spanatts, $cnt);
1240                                 $explikers = L10n::t('%s attend.', $likers);
1241                                 break;
1242                         case 'attendno':
1243                                 $phrase = L10n::t('<span  %1$s>%2$d people</span> don\'t attend', $spanatts, $cnt);
1244                                 $explikers = L10n::t('%s don\'t attend.', $likers);
1245                                 break;
1246                         case 'attendmaybe':
1247                                 $phrase = L10n::t('<span  %1$s>%2$d people</span> attend maybe', $spanatts, $cnt);
1248                                 $explikers = L10n::t('%s attend maybe.', $likers);
1249                                 break;
1250                 }
1251
1252                 $expanded .= "\t" . '<div class="wall-item-' . $type . '-expanded" id="' . $type . 'list-' . $id . '" style="display: none;" >' . $explikers . EOL . '</div>';
1253         }
1254
1255         $phrase .= EOL ;
1256         $o .= replace_macros(get_markup_template('voting_fakelink.tpl'), [
1257                 '$phrase' => $phrase,
1258                 '$type' => $type,
1259                 '$id' => $id
1260         ]);
1261         $o .= $expanded;
1262
1263         return $o;
1264 }
1265
1266 function status_editor(App $a, $x, $notes_cid = 0, $popup = false)
1267 {
1268         $o = '';
1269
1270         $geotag = x($x, 'allow_location') ? replace_macros(get_markup_template('jot_geotag.tpl'), []) : '';
1271
1272         $tpl = get_markup_template('jot-header.tpl');
1273         $a->page['htmlhead'] .= replace_macros($tpl, [
1274                 '$newpost'   => 'true',
1275                 '$baseurl'   => System::baseUrl(true),
1276                 '$geotag'    => $geotag,
1277                 '$nickname'  => $x['nickname'],
1278                 '$ispublic'  => L10n::t('Visible to <strong>everybody</strong>'),
1279                 '$linkurl'   => L10n::t('Please enter a link URL:'),
1280                 '$vidurl'    => L10n::t("Please enter a video link/URL:"),
1281                 '$audurl'    => L10n::t("Please enter an audio link/URL:"),
1282                 '$term'      => L10n::t('Tag term:'),
1283                 '$fileas'    => L10n::t('Save to Folder:'),
1284                 '$whereareu' => L10n::t('Where are you right now?'),
1285                 '$delitems'  => L10n::t("Delete item\x28s\x29?")
1286         ]);
1287
1288         $tpl = get_markup_template('jot-end.tpl');
1289         $a->page['end'] .= replace_macros($tpl, [
1290                 '$newpost'   => 'true',
1291                 '$baseurl'   => System::baseUrl(true),
1292                 '$geotag'    => $geotag,
1293                 '$nickname'  => $x['nickname'],
1294                 '$ispublic'  => L10n::t('Visible to <strong>everybody</strong>'),
1295                 '$linkurl'   => L10n::t('Please enter a link URL:'),
1296                 '$vidurl'    => L10n::t("Please enter a video link/URL:"),
1297                 '$audurl'    => L10n::t("Please enter an audio link/URL:"),
1298                 '$term'      => L10n::t('Tag term:'),
1299                 '$fileas'    => L10n::t('Save to Folder:'),
1300                 '$whereareu' => L10n::t('Where are you right now?')
1301         ]);
1302
1303         $jotplugins = '';
1304         Addon::callHooks('jot_tool', $jotplugins);
1305
1306         // Private/public post links for the non-JS ACL form
1307         $private_post = 1;
1308         if (x($_REQUEST, 'public')) {
1309                 $private_post = 0;
1310         }
1311
1312         $query_str = $a->query_string;
1313         if (strpos($query_str, 'public=1') !== false) {
1314                 $query_str = str_replace(['?public=1', '&public=1'], ['', ''], $query_str);
1315         }
1316
1317         /*
1318          * I think $a->query_string may never have ? in it, but I could be wrong
1319          * It looks like it's from the index.php?q=[etc] rewrite that the web
1320          * server does, which converts any ? to &, e.g. suggest&ignore=61 for suggest?ignore=61
1321          */
1322         if (strpos($query_str, '?') === false) {
1323                 $public_post_link = '?public=1';
1324         } else {
1325                 $public_post_link = '&public=1';
1326         }
1327
1328         // $tpl = replace_macros($tpl,array('$jotplugins' => $jotplugins));
1329         $tpl = get_markup_template("jot.tpl");
1330
1331         $o .= replace_macros($tpl,[
1332                 '$return_path'  => $query_str,
1333                 '$action'       => 'item',
1334                 '$share'        => defaults($x, 'button', L10n::t('Share')),
1335                 '$upload'       => L10n::t('Upload photo'),
1336                 '$shortupload'  => L10n::t('upload photo'),
1337                 '$attach'       => L10n::t('Attach file'),
1338                 '$shortattach'  => L10n::t('attach file'),
1339                 '$weblink'      => L10n::t('Insert web link'),
1340                 '$shortweblink' => L10n::t('web link'),
1341                 '$video'        => L10n::t('Insert video link'),
1342                 '$shortvideo'   => L10n::t('video link'),
1343                 '$audio'        => L10n::t('Insert audio link'),
1344                 '$shortaudio'   => L10n::t('audio link'),
1345                 '$setloc'       => L10n::t('Set your location'),
1346                 '$shortsetloc'  => L10n::t('set location'),
1347                 '$noloc'        => L10n::t('Clear browser location'),
1348                 '$shortnoloc'   => L10n::t('clear location'),
1349                 '$title'        => defaults($x, 'title', ''),
1350                 '$placeholdertitle' => L10n::t('Set title'),
1351                 '$category'     => defaults($x, 'category', ''),
1352                 '$placeholdercategory' => Feature::isEnabled(local_user(), 'categories') ? L10n::t("Categories \x28comma-separated list\x29") : '',
1353                 '$wait'         => L10n::t('Please wait'),
1354                 '$permset'      => L10n::t('Permission settings'),
1355                 '$shortpermset' => L10n::t('permissions'),
1356                 '$ptyp'         => $notes_cid ? 'note' : 'wall',
1357                 '$content'      => defaults($x, 'content', ''),
1358                 '$post_id'      => defaults($x, 'post_id', ''),
1359                 '$baseurl'      => System::baseUrl(true),
1360                 '$defloc'       => $x['default_location'],
1361                 '$visitor'      => $x['visitor'],
1362                 '$pvisit'       => $notes_cid ? 'none' : $x['visitor'],
1363                 '$public'       => L10n::t('Public post'),
1364                 '$lockstate'    => $x['lockstate'],
1365                 '$bang'         => $x['bang'],
1366                 '$profile_uid'  => $x['profile_uid'],
1367                 '$preview'      => Feature::isEnabled($x['profile_uid'], 'preview') ? L10n::t('Preview') : '',
1368                 '$jotplugins'   => $jotplugins,
1369                 '$notes_cid'    => $notes_cid,
1370                 '$sourceapp'    => L10n::t($a->sourcename),
1371                 '$cancel'       => L10n::t('Cancel'),
1372                 '$rand_num'     => random_digits(12),
1373
1374                 // ACL permissions box
1375                 '$acl'           => $x['acl'],
1376                 '$group_perms'   => L10n::t('Post to Groups'),
1377                 '$contact_perms' => L10n::t('Post to Contacts'),
1378                 '$private'       => L10n::t('Private post'),
1379                 '$is_private'    => $private_post,
1380                 '$public_link'   => $public_post_link,
1381
1382                 //jot nav tab (used in some themes)
1383                 '$message' => L10n::t('Message'),
1384                 '$browser' => L10n::t('Browser'),
1385         ]);
1386
1387
1388         if ($popup == true) {
1389                 $o = '<div id="jot-popup" style="display: none;">' . $o . '</div>';
1390         }
1391
1392         return $o;
1393 }
1394
1395 /**
1396  * Plucks the children of the given parent from a given item list.
1397  *
1398  * @brief Plucks all the children in the given item list of the given parent
1399  *
1400  * @param array $item_list
1401  * @param array $parent
1402  * @param bool $recursive
1403  * @return type
1404  */
1405 function get_item_children(array &$item_list, array $parent, $recursive = true)
1406 {
1407         $children = [];
1408         foreach ($item_list as $i => $item) {
1409                 if ($item['id'] != $item['parent']) {
1410                         if ($recursive) {
1411                                 // Fallback to parent-uri if thr-parent is not set
1412                                 $thr_parent = $item['thr-parent'];
1413                                 if ($thr_parent == '') {
1414                                         $thr_parent = $item['parent-uri'];
1415                                 }
1416
1417                                 if ($thr_parent == $parent['uri']) {
1418                                         $item['children'] = get_item_children($item_list, $item);
1419                                         $children[] = $item;
1420                                         unset($item_list[$i]);
1421                                 }
1422                         } elseif ($item['parent'] == $parent['id']) {
1423                                 $children[] = $item;
1424                                 unset($item_list[$i]);
1425                         }
1426                 }
1427         }
1428         return $children;
1429 }
1430
1431 /**
1432  * @brief Recursively sorts a tree-like item array
1433  *
1434  * @param array $items
1435  * @return array
1436  */
1437 function sort_item_children(array $items)
1438 {
1439         $result = $items;
1440         usort($result, 'sort_thr_created_rev');
1441         foreach ($result as $k => $i) {
1442                 if (isset($result[$k]['children'])) {
1443                         $result[$k]['children'] = sort_item_children($result[$k]['children']);
1444                 }
1445         }
1446         return $result;
1447 }
1448
1449 /**
1450  * @brief Recursively add all children items at the top level of a list
1451  *
1452  * @param array $children List of items to append
1453  * @param array $item_list
1454  */
1455 function add_children_to_list(array $children, array &$item_list)
1456 {
1457         foreach ($children as $child) {
1458                 $item_list[] = $child;
1459                 if (isset($child['children'])) {
1460                         add_children_to_list($child['children'], $item_list);
1461                 }
1462         }
1463 }
1464
1465 /**
1466  * This recursive function takes the item tree structure created by conv_sort() and
1467  * flatten the extraneous depth levels when people reply sequentially, removing the
1468  * stairs effect in threaded conversations limiting the available content width.
1469  *
1470  * The basic principle is the following: if a post item has only one reply and is
1471  * the last reply of its parent, then the reply is moved to the parent.
1472  *
1473  * This process is rendered somewhat more complicated because items can be either
1474  * replies or likes, and these don't factor at all in the reply count/last reply.
1475  *
1476  * @brief Selectively flattens a tree-like item structure to prevent threading stairs
1477  *
1478  * @param array $parent A tree-like array of items
1479  * @return array
1480  */
1481 function smart_flatten_conversation(array $parent)
1482 {
1483         if (!isset($parent['children']) || count($parent['children']) == 0) {
1484                 return $parent;
1485         }
1486
1487         // We use a for loop to ensure we process the newly-moved items
1488         for ($i = 0; $i < count($parent['children']); $i++) {
1489                 $child = $parent['children'][$i];
1490
1491                 if (isset($child['children']) && count($child['children'])) {
1492                         // This helps counting only the regular posts
1493                         $count_post_closure = function($var) {
1494                                 return $var['verb'] === ACTIVITY_POST;
1495                         };
1496
1497                         $child_post_count = count(array_filter($child['children'], $count_post_closure));
1498
1499                         $remaining_post_count = count(array_filter(array_slice($parent['children'], $i), $count_post_closure));
1500
1501                         // If there's only one child's children post and this is the last child post
1502                         if ($child_post_count == 1 && $remaining_post_count == 1) {
1503
1504                                 // Searches the post item in the children
1505                                 $j = 0;
1506                                 while($child['children'][$j]['verb'] !== ACTIVITY_POST && $j < count($child['children'])) {
1507                                         $j ++;
1508                                 }
1509
1510                                 $moved_item = $child['children'][$j];
1511                                 unset($parent['children'][$i]['children'][$j]);
1512                                 $parent['children'][] = $moved_item;
1513                         } else {
1514                                 $parent['children'][$i] = smart_flatten_conversation($child);
1515                         }
1516                 }
1517         }
1518
1519         return $parent;
1520 }
1521
1522
1523 /**
1524  * Expands a flat list of items into corresponding tree-like conversation structures,
1525  * sort the top-level posts either on "created" or "commented", and finally
1526  * append all the items at the top level (???)
1527  *
1528  * @brief Expands a flat item list into a conversation array for display
1529  *
1530  * @param array  $item_list A list of items belonging to one or more conversations
1531  * @param string $order     Either on "created" or "commented"
1532  * @return array
1533  */
1534 function conv_sort(array $item_list, $order)
1535 {
1536         $parents = [];
1537
1538         if (!(is_array($item_list) && count($item_list))) {
1539                 return $parents;
1540         }
1541
1542         $item_array = [];
1543
1544         // Dedupes the item list on the uri to prevent infinite loops
1545         foreach ($item_list as $item) {
1546                 $item_array[$item['uri']] = $item;
1547         }
1548
1549         // Extract the top level items
1550         foreach ($item_array as $item) {
1551                 if ($item['id'] == $item['parent']) {
1552                         $parents[] = $item;
1553                 }
1554         }
1555
1556         if (stristr($order, 'created')) {
1557                 usort($parents, 'sort_thr_created');
1558         } elseif (stristr($order, 'commented')) {
1559                 usort($parents, 'sort_thr_commented');
1560         }
1561
1562         /*
1563          * Plucks children from the item_array, second pass collects eventual orphan
1564          * items and add them as children of their top-level post.
1565          */
1566         foreach ($parents as $i => $parent) {
1567                 $parents[$i]['children'] =
1568                         array_merge(get_item_children($item_array, $parent, true),
1569                                 get_item_children($item_array, $parent, false));
1570         }
1571
1572         foreach ($parents as $i => $parent) {
1573                 $parents[$i]['children'] = sort_item_children($parents[$i]['children']);
1574         }
1575
1576         if (PConfig::get(local_user(), 'system', 'smart_threading', 0)) {
1577                 foreach ($parents as $i => $parent) {
1578                         $parents[$i] = smart_flatten_conversation($parent);
1579                 }
1580         }
1581
1582         /// @TODO: Stop recusrsively adding all children back to the top level (!!!)
1583         /// However, this apparently ensures responses (likes, attendance) display (?!)
1584         foreach ($parents as $parent) {
1585                 if (count($parent['children'])) {
1586                         add_children_to_list($parent['children'], $parents);
1587                 }
1588         }
1589
1590         return $parents;
1591 }
1592
1593 /**
1594  * @brief usort() callback to sort item arrays by the created key
1595  *
1596  * @param array $a
1597  * @param array $b
1598  * @return int
1599  */
1600 function sort_thr_created(array $a, array $b)
1601 {
1602         return strcmp($b['created'], $a['created']);
1603 }
1604
1605 /**
1606  * @brief usort() callback to reverse sort item arrays by the created key
1607  *
1608  * @param array $a
1609  * @param array $b
1610  * @return int
1611  */
1612 function sort_thr_created_rev(array $a, array $b)
1613 {
1614         return strcmp($a['created'], $b['created']);
1615 }
1616
1617 /**
1618  * @brief usort() callback to sort item arrays by the commented key
1619  *
1620  * @param array $a
1621  * @param array $b
1622  * @return type
1623  */
1624 function sort_thr_commented(array $a, array $b)
1625 {
1626         return strcmp($b['commented'], $a['commented']);
1627 }
1628
1629 /// @TODO Add type-hint
1630 function render_location_dummy($item) {
1631         if ($item['location'] != "") {
1632                 return $item['location'];
1633         }
1634
1635         if ($item['coord'] != "") {
1636                 return $item['coord'];
1637         }
1638 }
1639
1640 /// @TODO Add type-hint
1641 function get_responses($conv_responses, $response_verbs, $ob, $item) {
1642         $ret = [];
1643         foreach ($response_verbs as $v) {
1644                 $ret[$v] = [];
1645                 $ret[$v]['count'] = defaults($conv_responses[$v], $item['uri'], '');
1646                 $ret[$v]['list']  = defaults($conv_responses[$v], $item['uri'] . '-l', []);
1647                 $ret[$v]['self']  = defaults($conv_responses[$v], $item['uri'] . '-self', '0');
1648                 if (count($ret[$v]['list']) > MAX_LIKERS) {
1649                         $ret[$v]['list_part'] = array_slice($ret[$v]['list'], 0, MAX_LIKERS);
1650                         array_push($ret[$v]['list_part'], '<a href="#" data-toggle="modal" data-target="#' . $v . 'Modal-'
1651                                 . (($ob) ? $ob->getId() : $item['id']) . '"><b>' . L10n::t('View all') . '</b></a>');
1652                 } else {
1653                         $ret[$v]['list_part'] = '';
1654                 }
1655                 $ret[$v]['button'] = get_response_button_text($v, $ret[$v]['count']);
1656                 $ret[$v]['title'] = $conv_responses[$v]['title'];
1657         }
1658
1659         $count = 0;
1660         foreach ($ret as $key) {
1661                 if ($key['count'] == true) {
1662                         $count++;
1663                 }
1664         }
1665         $ret['count'] = $count;
1666
1667         return $ret;
1668 }
1669
1670 function get_response_button_text($v, $count)
1671 {
1672         switch ($v) {
1673                 case 'like':
1674                         $return = L10n::tt('Like', 'Likes', $count);
1675                         break;
1676                 case 'dislike':
1677                         $return = L10n::tt('Dislike', 'Dislikes', $count);
1678                         break;
1679                 case 'attendyes':
1680                         $return = L10n::tt('Attending', 'Attending', $count);
1681                         break;
1682                 case 'attendno':
1683                         $return = L10n::tt('Not Attending', 'Not Attending', $count);
1684                         break;
1685                 case 'attendmaybe':
1686                         $return = L10n::tt('Undecided', 'Undecided', $count);
1687                         break;
1688         }
1689
1690         return $return;
1691 }