src/Content/Conversation.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2023, the Friendica project
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 namespace Friendica\Content;
  23
  24 use Friendica\App;
  25 use Friendica\App\Arguments;
  26 use Friendica\App\BaseURL;
  27 use Friendica\BaseModule;
  28 use Friendica\Core\ACL;
  29 use Friendica\Core\Config\Capability\IManageConfigValues;
  30 use Friendica\Core\Hook;
  31 use Friendica\Core\L10n;
  32 use Friendica\Core\PConfig\Capability\IManagePersonalConfigValues;
  33 use Friendica\Core\Protocol;
  34 use Friendica\Core\Renderer;
  35 use Friendica\Core\Session\Capability\IHandleUserSessions;
  36 use Friendica\Core\Theme;
  37 use Friendica\Database\DBA;
  38 use Friendica\Model\Contact;
  39 use Friendica\Model\Item as ItemModel;
  40 use Friendica\Model\Post;
  41 use Friendica\Model\Post\Category;
  42 use Friendica\Model\Tag;
  43 use Friendica\Model\User;
  44 use Friendica\Model\Verb;
  45 use Friendica\Network\HTTPException\InternalServerErrorException;
  46 use Friendica\Object\Post as PostObject;
  47 use Friendica\Object\Thread;
  48 use Friendica\Protocol\Activity;
  49 use Friendica\User\Settings\Entity\UserGServer;
  50 use Friendica\User\Settings\Repository;
  51 use Friendica\Util\Crypto;
  52 use Friendica\Util\DateTimeFormat;
  53 use Friendica\Util\Profiler;
  54 use Friendica\Util\Strings;
  55 use Friendica\Util\Temporal;
  56 use Psr\Log\LoggerInterface;
  57
  58 class Conversation
  59 {
  60         const MODE_CHANNEL       = 'channel';
  61         const MODE_COMMUNITY     = 'community';
  62         const MODE_CONTACTS      = 'contacts';
  63         const MODE_CONTACT_POSTS = 'contact-posts';
  64         const MODE_DISPLAY       = 'display';
  65         const MODE_FILED         = 'filed';
  66         const MODE_NETWORK       = 'network';
  67         const MODE_NOTES         = 'notes';
  68         const MODE_SEARCH        = 'search';
  69         const MODE_PROFILE       = 'profile';
  70
  71         /** @var Activity */
  72         private $activity;
  73         /** @var L10n */
  74         private $l10n;
  75         /** @var Profiler */
  76         private $profiler;
  77         /** @var LoggerInterface */
  78         private $logger;
  79         /** @var Item */
  80         private $item;
  81         /** @var App\Arguments */
  82         private $args;
  83         /** @var IManagePersonalConfigValues */
  84         private $pConfig;
  85         /** @var BaseURL */
  86         private $baseURL;
  87         /** @var IManageConfigValues */
  88         private $config;
  89         /** @var App */
  90         private $app;
  91         /** @var App\Page */
  92         private $page;
  93         /** @var App\Mode */
  94         private $mode;
  95         /** @var IHandleUserSessions */
  96         private $session;
  97         /** @var Repository\UserGServer */
  98         private $userGServer;
  99
 100         public function __construct(Repository\UserGServer $userGServer, LoggerInterface $logger, Profiler $profiler, Activity $activity, L10n $l10n, Item $item, Arguments $args, BaseURL $baseURL, IManageConfigValues $config, IManagePersonalConfigValues $pConfig, App\Page $page, App\Mode $mode, App $app, IHandleUserSessions $session)
 101         {
 102                 $this->activity    = $activity;
 103                 $this->item        = $item;
 104                 $this->config      = $config;
 105                 $this->mode        = $mode;
 106                 $this->baseURL     = $baseURL;
 107                 $this->profiler    = $profiler;
 108                 $this->logger      = $logger;
 109                 $this->l10n        = $l10n;
 110                 $this->args        = $args;
 111                 $this->pConfig     = $pConfig;
 112                 $this->page        = $page;
 113                 $this->app         = $app;
 114                 $this->session     = $session;
 115                 $this->userGServer = $userGServer;
 116         }
 117
 118         /**
 119          * Checks item to see if it is one of the builtin activities (like/dislike, event attendance, consensus items, etc.)
 120          *
 121          * Increments the count of each matching activity and adds a link to the author as needed.
 122          *
 123          * @param array  $activity
 124          * @param array &$conv_responses (already created with builtin activity structure)
 125          * @return void
 126          * @throws ImagickException
 127          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 128          */
 129         public function builtinActivityPuller(array $activity, array &$conv_responses)
 130         {
 131                 $thread_parent = $activity['thr-parent-row'] ?? [];
 132
 133                 foreach ($conv_responses as $mode => $v) {
 134                         $sparkle = '';
 135
 136                         switch ($mode) {
 137                                 case 'like':
 138                                         $verb = Activity::LIKE;
 139                                         break;
 140                                 case 'dislike':
 141                                         $verb = Activity::DISLIKE;
 142                                         break;
 143                                 case 'attendyes':
 144                                         $verb = Activity::ATTEND;
 145                                         break;
 146                                 case 'attendno':
 147                                         $verb = Activity::ATTENDNO;
 148                                         break;
 149                                 case 'attendmaybe':
 150                                         $verb = Activity::ATTENDMAYBE;
 151                                         break;
 152                                 case 'announce':
 153                                         $verb = Activity::ANNOUNCE;
 154                                         break;
 155                                 default:
 156                                         return;
 157                         }
 158
 159                         if (!empty($activity['verb']) && $this->activity->match($activity['verb'], $verb) && ($activity['gravity'] != ItemModel::GRAVITY_PARENT)) {
 160                                 $author = [
 161                                         'uid'     => 0,
 162                                         'id'      => $activity['author-id'],
 163                                         'network' => $activity['author-network'],
 164                                         'url'     => $activity['author-link'],
 165                                         'alias'   => $activity['author-alias'],
 166                                 ];
 167                                 $url = Contact::magicLinkByContact($author);
 168                                 if (strpos($url, 'contact/redir/') === 0) {
 169                                         $sparkle = ' class="sparkle" ';
 170                                 }
 171
 172                                 $link = '<a href="' . $url . '"' . $sparkle . '>' . htmlentities($activity['author-name']) . '</a>';
 173
 174                                 if (empty($activity['thr-parent-id'])) {
 175                                         $activity['thr-parent-id'] = $activity['parent-uri-id'];
 176                                 }
 177
 178                                 // Skip when the causer of the parent is the same as the author of the announce
 179                                 if (($verb == Activity::ANNOUNCE) && !empty($thread_parent['causer-id']) && ($thread_parent['causer-id'] == $activity['author-id'])) {
 180                                         continue;
 181                                 }
 182
 183                                 if (!isset($conv_responses[$mode][$activity['thr-parent-id']])) {
 184                                         $conv_responses[$mode][$activity['thr-parent-id']] = [
 185                                                 'links' => [],
 186                                                 'self'  => 0,
 187                                         ];
 188                                 } elseif (in_array($link, $conv_responses[$mode][$activity['thr-parent-id']]['links'])) {
 189                                         // only list each unique author once
 190                                         continue;
 191                                 }
 192
 193                                 if ($this->session->getPublicContactId() == $activity['author-id']) {
 194                                         $conv_responses[$mode][$activity['thr-parent-id']]['self'] = 1;
 195                                 }
 196
 197                                 $conv_responses[$mode][$activity['thr-parent-id']]['links'][] = $link;
 198
 199                                 // there can only be one activity verb per item so if we found anything, we can stop looking
 200                                 return;
 201                         }
 202                 }
 203         }
 204
 205         /**
 206          * Returns the liker phrase based on a list of likers
 207          *
 208          * @param string $verb   the activity verb
 209          * @param array  $likers a list of likers
 210          *
 211          * @return string the liker phrase
 212          *
 213          * @throws InternalServerErrorException in case either the verb is invalid or the list of likers is empty
 214          */
 215         private function getLikerPhrase(string $verb, array $likers): string
 216         {
 217                 $total = count($likers);
 218
 219                 if ($total === 0) {
 220                         throw new InternalServerErrorException(sprintf('There has to be at least one Liker for verb "%s"', $verb));
 221                 } else if ($total === 1) {
 222                         $likerString = $likers[0];
 223                 } else {
 224                         if ($total < $this->config->get('system', 'max_likers')) {
 225                                 $likerString = implode(', ', array_slice($likers, 0, -1));
 226                                 $likerString .= ' ' . $this->l10n->t('and') . ' ' . $likers[count($likers) - 1];
 227                         } else {
 228                                 $likerString = implode(', ', array_slice($likers, 0, $this->config->get('system', 'max_likers') - 1));
 229                                 $likerString .= ' ' . $this->l10n->t('and %d other people', $total - $this->config->get('system', 'max_likers'));
 230                         }
 231                 }
 232
 233                 switch ($verb) {
 234                         case 'like':
 235                                 return $this->l10n->tt('%2$s likes this.', '%2$s like this.', $total, $likerString);
 236                         case 'dislike':
 237                                 return $this->l10n->tt('%2$s doesn\'t like this.', '%2$s don\'t like this.', $total, $likerString);
 238                         case 'attendyes':
 239                                 return $this->l10n->tt('%2$s attends.', '%2$s attend.', $total, $likerString);
 240                         case 'attendno':
 241                                 return $this->l10n->tt('%2$s doesn\'t attend.', '%2$s don\'t attend.', $total, $likerString);
 242                         case 'attendmaybe':
 243                                 return $this->l10n->tt('%2$s attends maybe.', '%2$s attend maybe.', $total, $likerString);
 244                         case 'announce':
 245                                 return $this->l10n->tt('%2$s reshared this.', '%2$s reshared this.', $total, $likerString);
 246                         default:
 247                                 throw new InternalServerErrorException(sprintf('Unknown verb "%s"', $verb));
 248                 }
 249         }
 250
 251         /**
 252          * Format the activity text for an item/photo/video
 253          *
 254          * @param array  $links = array of pre-linked names of actors
 255          * @param string $verb  = one of 'like, 'dislike', 'attendyes', 'attendno', 'attendmaybe'
 256          * @param int    $id    = item id
 257          * @return string formatted text
 258          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 259          */
 260         public function formatActivity(array $links, string $verb, int $id): string
 261         {
 262                 $this->profiler->startRecording('rendering');
 263                 $expanded = '';
 264
 265                 $phrase = $this->getLikerPhrase($verb, $links);
 266                 $total  = count($links);
 267
 268                 if ($total > 1) {
 269                         $spanatts  = "class=\"btn btn-link fakelink\" onclick=\"openClose('{$verb}list-$id');\"";
 270                         $explikers = $phrase;
 271
 272                         switch ($verb) {
 273                                 case 'like':
 274                                         $phrase = $this->l10n->tt('<button type="button" %2$s>%1$d person</button> likes this', '<button type="button" %2$s>%1$d people</button> like this', $total, $spanatts);
 275                                         break;
 276                                 case 'dislike':
 277                                         $phrase = $this->l10n->tt('<button type="button" %2$s>%1$d person</button> doesn\'t like this', '<button type="button" %2$s>%1$d peiple</button> don\'t like this', $total, $spanatts);
 278                                         break;
 279                                 case 'attendyes':
 280                                         $phrase = $this->l10n->tt('<button type="button" %2$s>%1$d person</button> attends', '<button type="button" %2$s>%1$d people</button> attend', $total, $spanatts);
 281                                         break;
 282                                 case 'attendno':
 283                                         $phrase = $this->l10n->tt('<button type="button" %2$s>%1$d person</button> doesn\'t attend', '<button type="button" %2$s>%1$d people</button> don\'t attend', $total, $spanatts);
 284                                         break;
 285                                 case 'attendmaybe':
 286                                         $phrase = $this->l10n->tt('<button type="button" %2$s>%1$d person</button> attends maybe', '<button type="button" %2$s>%1$d people</button> attend maybe', $total, $spanatts);
 287                                         break;
 288                                 case 'announce':
 289                                         $phrase = $this->l10n->tt('<button type="button" %2$s>%1$d person</button> reshared this', '<button type="button" %2$s>%1$d people</button> reshared this', $total, $spanatts);
 290                                         break;
 291                         }
 292
 293                         $expanded .= "\t" . '<p class="wall-item-' . $verb . '-expanded" id="' . $verb . 'list-' . $id . '" style="display: none;" >' . $explikers . '</p>';
 294                 }
 295
 296                 $output = Renderer::replaceMacros(Renderer::getMarkupTemplate('voting_fakelink.tpl'), [
 297                         '$phrase' => $phrase,
 298                         '$type'   => $verb,
 299                         '$id'     => $id
 300                 ]);
 301                 $output .= $expanded;
 302
 303                 $this->profiler->stopRecording();
 304                 return $output;
 305         }
 306
 307         public function statusEditor(array $x = [], int $notes_cid = 0, bool $popup = false): string
 308         {
 309                 $user = User::getById($this->app->getLoggedInUserId(), ['uid', 'nickname', 'allow_location', 'default-location']);
 310                 if (empty($user['uid'])) {
 311                         return '';
 312                 }
 313
 314                 $this->profiler->startRecording('rendering');
 315                 $o = '';
 316
 317                 $x['allow_location']   = $x['allow_location']   ?? $user['allow_location'];
 318                 $x['default_location'] = $x['default_location'] ?? $user['default-location'];
 319                 $x['nickname']         = $x['nickname']         ?? $user['nickname'];
 320                 $x['lockstate']        = $x['lockstate']        ?? ACL::getLockstateForUserId($user['uid']) ? 'lock' : 'unlock';
 321                 $x['acl']              = $x['acl']              ?? ACL::getFullSelectorHTML($this->page, $user['uid'], true);
 322                 $x['bang']             = $x['bang']             ?? '';
 323                 $x['visitor']          = $x['visitor']          ?? 'block';
 324                 $x['is_owner']         = $x['is_owner']         ?? true;
 325                 $x['profile_uid']      = $x['profile_uid']      ?? $this->session->getLocalUserId();
 326
 327
 328                 $geotag = !empty($x['allow_location']) ? Renderer::replaceMacros(Renderer::getMarkupTemplate('jot_geotag.tpl'), []) : '';
 329
 330                 $tpl = Renderer::getMarkupTemplate('jot-header.tpl');
 331                 $this->page['htmlhead'] .= Renderer::replaceMacros($tpl, [
 332                         '$newpost'   => 'true',
 333                         '$baseurl'   => $this->baseURL,
 334                         '$geotag'    => $geotag,
 335                         '$nickname'  => $x['nickname'],
 336                         '$ispublic'  => $this->l10n->t('Visible to <strong>everybody</strong>'),
 337                         '$linkurl'   => $this->l10n->t('Please enter a image/video/audio/webpage URL:'),
 338                         '$term'      => $this->l10n->t('Tag term:'),
 339                         '$fileas'    => $this->l10n->t('Save to Folder:'),
 340                         '$whereareu' => $this->l10n->t('Where are you right now?'),
 341                         '$delitems'  => $this->l10n->t("Delete item\x28s\x29?"),
 342                         '$is_mobile' => $this->mode->isMobile(),
 343                 ]);
 344
 345                 $jotplugins = '';
 346                 Hook::callAll('jot_tool', $jotplugins);
 347
 348                 if ($this->config->get('system', 'set_creation_date')) {
 349                         $created_at = Temporal::getDateTimeField(
 350                                 new \DateTime(DBA::NULL_DATETIME),
 351                                 new \DateTime('now'),
 352                                 null,
 353                                 $this->l10n->t('Created at'),
 354                                 'created_at'
 355                         );
 356                 } else {
 357                         $created_at = '';
 358                 }
 359
 360                 $tpl = Renderer::getMarkupTemplate('jot.tpl');
 361
 362                 $o .= Renderer::replaceMacros($tpl, [
 363                         '$new_post'            => $this->l10n->t('New Post'),
 364                         '$return_path'         => $this->args->getQueryString(),
 365                         '$action'              => 'item',
 366                         '$share'               => ($x['button'] ?? '') ?: $this->l10n->t('Share'),
 367                         '$loading'             => $this->l10n->t('Loading...'),
 368                         '$upload'              => $this->l10n->t('Upload photo'),
 369                         '$shortupload'         => $this->l10n->t('upload photo'),
 370                         '$attach'              => $this->l10n->t('Attach file'),
 371                         '$shortattach'         => $this->l10n->t('attach file'),
 372                         '$edbold'              => $this->l10n->t('Bold'),
 373                         '$editalic'            => $this->l10n->t('Italic'),
 374                         '$eduline'             => $this->l10n->t('Underline'),
 375                         '$edquote'             => $this->l10n->t('Quote'),
 376                         '$edemojis'            => $this->l10n->t('Add emojis'),
 377                         '$contentwarn'         => $this->l10n->t('Content Warning'),
 378                         '$edcode'              => $this->l10n->t('Code'),
 379                         '$edimg'               => $this->l10n->t('Image'),
 380                         '$edurl'               => $this->l10n->t('Link'),
 381                         '$edattach'            => $this->l10n->t('Link or Media'),
 382                         '$edvideo'             => $this->l10n->t('Video'),
 383                         '$setloc'              => $this->l10n->t('Set your location'),
 384                         '$shortsetloc'         => $this->l10n->t('set location'),
 385                         '$noloc'               => $this->l10n->t('Clear browser location'),
 386                         '$shortnoloc'          => $this->l10n->t('clear location'),
 387                         '$title'               => $x['title'] ?? '',
 388                         '$placeholdertitle'    => $this->l10n->t('Set title'),
 389                         '$category'            => $x['category'] ?? '',
 390                         '$placeholdercategory' => Feature::isEnabled($this->session->getLocalUserId(), 'categories') ? $this->l10n->t("Categories \x28comma-separated list\x29") : '',
 391                         '$scheduled_at'        => Temporal::getDateTimeField(
 392                                 new \DateTime(),
 393                                 new \DateTime('now + 6 months'),
 394                                 null,
 395                                 $this->l10n->t('Scheduled at'),
 396                                 'scheduled_at'
 397                         ),
 398                         '$created_at'   => $created_at,
 399                         '$wait'         => $this->l10n->t('Please wait'),
 400                         '$permset'      => $this->l10n->t('Permission settings'),
 401                         '$shortpermset' => $this->l10n->t('Permissions'),
 402                         '$wall'         => $notes_cid ? 0 : 1,
 403                         '$posttype'     => $notes_cid ? ItemModel::PT_PERSONAL_NOTE : ItemModel::PT_ARTICLE,
 404                         '$content'      => $x['content'] ?? '',
 405                         '$post_id'      => $x['post_id'] ?? '',
 406                         '$baseurl'      => $this->baseURL,
 407                         '$defloc'       => $x['default_location'],
 408                         '$visitor'      => $x['visitor'],
 409                         '$pvisit'       => $notes_cid ? 'none' : $x['visitor'],
 410                         '$public'       => $this->l10n->t('Public post'),
 411                         '$lockstate'    => $x['lockstate'],
 412                         '$bang'         => $x['bang'],
 413                         '$profile_uid'  => $x['profile_uid'],
 414                         '$preview'      => $this->l10n->t('Preview'),
 415                         '$jotplugins'   => $jotplugins,
 416                         '$notes_cid'    => $notes_cid,
 417                         '$cancel'       => $this->l10n->t('Cancel'),
 418                         '$rand_num'     => Crypto::randomDigits(12),
 419
 420                         // ACL permissions box
 421                         '$acl' => $x['acl'],
 422
 423                         //jot nav tab (used in some themes)
 424                         '$message' => $this->l10n->t('Message'),
 425                         '$browser' => $this->l10n->t('Browser'),
 426
 427                         '$compose_link_title'  => $this->l10n->t('Open Compose page'),
 428                         '$always_open_compose' => $this->pConfig->get($this->session->getLocalUserId(), 'frio', 'always_open_compose', false),
 429                 ]);
 430
 431
 432                 if ($popup == true) {
 433                         $o = '<div id="jot-popup" style="display: none;">' . $o . '</div>';
 434                 }
 435
 436                 $this->profiler->stopRecording();
 437                 return $o;
 438         }
 439
 440         /**
 441          * "Render" a conversation or list of items for HTML display.
 442          * There are two major forms of display:
 443          *      - Sequential or unthreaded ("New Item View" or search results)
 444          *      - conversation view
 445          * The $mode parameter decides between the various renderings and also
 446          * figures out how to determine page owner and other contextual items
 447          * that are based on unique features of the calling module.
 448          * @param array  $items   An array of Posts
 449          * @param string $mode    One of self::MODE_*
 450          * @param bool   $update  Asynchronous update rendering
 451          * @param bool   $preview Post preview (no actual database record)
 452          * @param string $order   Either "received" or "commented"
 453          * @param int    $uid
 454          * @return string
 455          * @throws ImagickException
 456          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 457          */
 458         public function render(array $items, string $mode, bool $update = false, bool $preview = false, string $order = 'commented', int $uid = 0): string
 459         {
 460                 $this->profiler->startRecording('rendering');
 461
 462                 $this->page->registerFooterScript(Theme::getPathForFile('asset/typeahead.js/dist/typeahead.bundle.js'));
 463                 $this->page->registerFooterScript(Theme::getPathForFile('js/friendica-tagsinput/friendica-tagsinput.js'));
 464                 $this->page->registerStylesheet(Theme::getPathForFile('js/friendica-tagsinput/friendica-tagsinput.css'));
 465                 $this->page->registerStylesheet(Theme::getPathForFile('js/friendica-tagsinput/friendica-tagsinput-typeahead.css'));
 466
 467                 $live_update_div = '';
 468
 469                 $userGservers = $this->userGServer->listIgnoredByUser($this->session->getLocalUserId());
 470
 471                 $ignoredGsids = array_map(function (UserGServer $userGServer) {
 472                         return $userGServer->gsid;
 473                 }, $userGservers->getArrayCopy());
 474
 475                 if ($mode === self::MODE_NETWORK) {
 476                         $items = $this->addChildren($items, false, $order, $uid, $mode, $ignoredGsids);
 477                         if (!$update) {
 478                                 /*
 479                                 * The special div is needed for liveUpdate to kick in for this page.
 480                                 * We only launch liveUpdate if you aren't filtering in some incompatible
 481                                 * way and also you aren't writing a comment (discovered in javascript).
 482                                 */
 483                                 $live_update_div = '<div id="live-network"></div>' . "\r\n"
 484                                         . "<script> var profile_uid = " . $_SESSION['uid']
 485                                         . "; var netargs = '" . substr($this->args->getCommand(), 8)
 486                                         . '?f='
 487                                         . (!empty($_GET['contactid']) ? '&contactid=' . rawurlencode($_GET['contactid']) : '')
 488                                         . (!empty($_GET['search'])    ? '&search='    . rawurlencode($_GET['search'])    : '')
 489                                         . (!empty($_GET['star'])      ? '&star='      . rawurlencode($_GET['star'])      : '')
 490                                         . (!empty($_GET['order'])     ? '&order='     . rawurlencode($_GET['order'])     : '')
 491                                         . (!empty($_GET['bmark'])     ? '&bmark='     . rawurlencode($_GET['bmark'])     : '')
 492                                         . (!empty($_GET['liked'])     ? '&liked='     . rawurlencode($_GET['liked'])     : '')
 493                                         . (!empty($_GET['conv'])      ? '&conv='      . rawurlencode($_GET['conv'])      : '')
 494                                         . (!empty($_GET['nets'])      ? '&nets='      . rawurlencode($_GET['nets'])      : '')
 495                                         . (!empty($_GET['cmin'])      ? '&cmin='      . rawurlencode($_GET['cmin'])      : '')
 496                                         . (!empty($_GET['cmax'])      ? '&cmax='      . rawurlencode($_GET['cmax'])      : '')
 497                                         . (!empty($_GET['file'])      ? '&file='      . rawurlencode($_GET['file'])      : '')
 498                                         . (!empty($_GET['channel'])   ? '&channel='   . rawurlencode($_GET['channel'])   : '')
 499                                         . (!empty($_GET['no_sharer']) ? '&no_sharer=' . rawurlencode($_GET['no_sharer']) : '')
 500                                         . (!empty($_GET['accounttype']) ? '&accounttype=' . rawurlencode($_GET['accounttype']) : '')
 501                                         . "'; </script>\r\n";
 502                         }
 503                 } elseif ($mode === self::MODE_PROFILE) {
 504                         $items = $this->addChildren($items, false, $order, $uid, $mode, $ignoredGsids);
 505
 506                         if (!$update) {
 507                                 $tab = !empty($_GET['tab']) ? trim($_GET['tab']) : 'posts';
 508
 509                                 if ($tab === 'posts') {
 510                                         /*
 511                                         * This is ugly, but we can't pass the profile_uid through the session to the ajax updater,
 512                                         * because browser prefetching might change it on us. We have to deliver it with the page.
 513                                         */
 514
 515                                         $live_update_div = '<div id="live-profile"></div>' . "\r\n"
 516                                                 . "<script> var profile_uid = " . $uid
 517                                                 . "; var netargs = '?f='; </script>\r\n";
 518                                 }
 519                         }
 520                 } elseif ($mode === self::MODE_NOTES) {
 521                         $items = $this->addChildren($items, false, $order, $this->session->getLocalUserId(), $mode);
 522
 523                         if (!$update) {
 524                                 $live_update_div = '<div id="live-notes"></div>' . "\r\n"
 525                                         . "<script> var profile_uid = " . $this->session->getLocalUserId()
 526                                         . "; var netargs = '?f='; </script>\r\n";
 527                         }
 528                 } elseif ($mode === self::MODE_DISPLAY) {
 529                         $items = $this->addChildren($items, false, $order, $uid, $mode, $ignoredGsids);
 530
 531                         if (!$update) {
 532                                 $live_update_div = '<div id="live-display"></div>' . "\r\n"
 533                                         . "<script> var profile_uid = " . ($this->session->getLocalUserId() ?: 0) . ";"
 534                                         . "</script>";
 535                         }
 536                 } elseif ($mode === self::MODE_CHANNEL) {
 537                         $items = $this->addChildren($items, true, $order, $uid, $mode, $ignoredGsids);
 538
 539                         if (!$update) {
 540                                 $live_update_div = '<div id="live-channel"></div>' . "\r\n"
 541                                         . "<script> var profile_uid = -1; var netargs = '" . substr($this->args->getCommand(), 8)
 542                                         . '?f='
 543                                         . (!empty($_GET['no_sharer']) ? '&no_sharer=' . rawurlencode($_GET['no_sharer']) : '')
 544                                         . (!empty($_GET['accounttype']) ? '&accounttype=' . rawurlencode($_GET['accounttype']) : '')
 545                                         . "'; </script>\r\n";
 546                         }
 547                 } elseif ($mode === self::MODE_COMMUNITY) {
 548                         $items = $this->addChildren($items, true, $order, $uid, $mode, $ignoredGsids);
 549
 550                         if (!$update) {
 551                                 $live_update_div = '<div id="live-community"></div>' . "\r\n"
 552                                         . "<script> var profile_uid = -1; var netargs = '" . substr($this->args->getCommand(), 10)
 553                                         . '?f='
 554                                         . (!empty($_GET['no_sharer']) ? '&no_sharer=' . rawurlencode($_GET['no_sharer']) : '')
 555                                         . (!empty($_GET['accounttype']) ? '&accounttype=' . rawurlencode($_GET['accounttype']) : '')
 556                                         . "'; </script>\r\n";
 557                         }
 558                 } elseif ($mode === self::MODE_CONTACTS) {
 559                         $items = $this->addChildren($items, false, $order, $uid, $mode, $ignoredGsids);
 560
 561                         if (!$update) {
 562                                 $live_update_div = '<div id="live-contact"></div>' . "\r\n"
 563                                         . "<script> var profile_uid = -1; var netargs = '" . substr($this->args->getCommand(), 8)
 564                                         . "?f='; </script>\r\n";
 565                         }
 566                 } elseif ($mode === self::MODE_SEARCH) {
 567                         $live_update_div = '<div id="live-search"></div>' . "\r\n";
 568                 }
 569
 570                 $page_dropping = $this->session->getLocalUserId() && $this->pConfig->get($this->session->getLocalUserId(), 'system', 'show_page_drop', true) && ($this->session->getLocalUserId() == $uid && $mode != self::MODE_SEARCH);
 571
 572                 if (!$update) {
 573                         $_SESSION['return_path'] = $this->args->getQueryString();
 574                 }
 575
 576                 $cb = ['items' => $items, 'mode' => $mode, 'update' => $update, 'preview' => $preview];
 577                 Hook::callAll('conversation_start', $cb);
 578
 579                 $items = $cb['items'];
 580
 581                 $formSecurityToken = BaseModule::getFormSecurityToken('contact_action');
 582
 583                 $threads = $this->getThreadList($items, $mode, $preview, $page_dropping, $formSecurityToken);
 584
 585                 if (in_array($mode, [self::MODE_FILED, self::MODE_SEARCH, self::MODE_CONTACT_POSTS])) {
 586                         $page_template = Renderer::getMarkupTemplate('conversation.tpl');
 587                 } else {
 588                         $page_template = Renderer::getMarkupTemplate('threaded_conversation.tpl');
 589                 }
 590
 591                 $o = Renderer::replaceMacros($page_template, [
 592                         '$baseurl'     => $this->baseURL,
 593                         '$return_path' => $this->args->getQueryString(),
 594                         '$live_update' => $live_update_div,
 595                         '$remove'      => $this->l10n->t('remove'),
 596                         '$mode'        => $mode,
 597                         '$update'      => $update,
 598                         '$threads'     => $threads,
 599                         '$dropping'    => ($page_dropping ? $this->l10n->t('Delete Selected Items') : false),
 600                 ]);
 601
 602                 $this->profiler->stopRecording();
 603                 return $o;
 604         }
 605
 606         /**
 607          * @param array  $items
 608          * @param string $mode One of self::MODE_*
 609          * @param bool   $preview
 610          * @param bool   $pagedrop Whether to enable the user to select the thread for deletion
 611          * @param string $formSecurityToken A 'contact_action' form security token
 612          * @return array
 613          * @throws InternalServerErrorException
 614          * @throws \ImagickException
 615          */
 616         public function getThreadList(array $items, string $mode, bool $preview, bool $pagedrop, string $formSecurityToken): array
 617         {
 618                 if (!$items) {
 619                         return [];
 620                 }
 621
 622                 if (in_array($mode, [self::MODE_FILED, self::MODE_SEARCH, self::MODE_CONTACT_POSTS])) {
 623                         $threads = $this->getContextLessThreadList($items, $mode, $preview, $pagedrop, $formSecurityToken);
 624                 } else {
 625                         $conv_responses = [
 626                                 'like'        => [],
 627                                 'dislike'     => [],
 628                                 'attendyes'   => [],
 629                                 'attendno'    => [],
 630                                 'attendmaybe' => [],
 631                                 'announce'    => [],
 632                         ];
 633
 634                         if ($this->pConfig->get($this->session->getLocalUserId(), 'system', 'hide_dislike')) {
 635                                 unset($conv_responses['dislike']);
 636                         }
 637
 638                         if (in_array($mode, [self::MODE_CHANNEL, self::MODE_COMMUNITY, self::MODE_CONTACTS, self::MODE_PROFILE])) {
 639                                 $writable = true;
 640                         } else {
 641                                 $writable = $items[0]['writable'] || ($items[0]['uid'] == 0) && in_array($items[0]['network'], Protocol::FEDERATED);
 642                         }
 643
 644                         if (!$this->session->getLocalUserId()) {
 645                                 $writable = false;
 646                         }
 647
 648                         // Normal View
 649                         $conv = new Thread($mode, $preview, $writable);
 650
 651                         /*
 652                         * get all the topmost parents
 653                         * this shouldn't be needed, as we should have only them in our array
 654                         * But for now, this array respects the old style, just in case
 655                         */
 656                         foreach ($items as $item) {
 657                                 if (in_array($item['author-id'], $this->getBlocklist())) {
 658                                         continue;
 659                                 }
 660
 661                                 // Can we put this after the visibility check?
 662                                 $this->builtinActivityPuller($item, $conv_responses);
 663
 664                                 // Only add what is visible
 665                                 if ($item['network'] === Protocol::MAIL && $this->session->getLocalUserId() != $item['uid']) {
 666                                         continue;
 667                                 }
 668
 669                                 if (!$this->item->isVisibleActivity($item)) {
 670                                         continue;
 671                                 }
 672
 673                                 /// @todo Check if this call is needed or not
 674                                 $arr = ['item' => $item];
 675                                 Hook::callAll('display_item', $arr);
 676
 677                                 $item['pagedrop'] = $pagedrop;
 678
 679                                 if ($item['gravity'] == ItemModel::GRAVITY_PARENT) {
 680                                         $item_object = new PostObject($item);
 681                                         $conv->addParent($item_object);
 682                                 }
 683                         }
 684
 685                         $threads = $conv->getTemplateData($conv_responses, $formSecurityToken);
 686                         if (!$threads) {
 687                                 $this->logger->info('[ERROR] conversation : Failed to get template data.');
 688                                 $threads = [];
 689                         }
 690                 }
 691
 692                 return $threads;
 693         }
 694
 695         private function getBlocklist(): array
 696         {
 697                 if (!$this->session->getLocalUserId()) {
 698                         return [];
 699                 }
 700
 701                 $str_blocked = str_replace(["\n", "\r"], ",", $this->pConfig->get($this->session->getLocalUserId(), 'system', 'blocked') ?? '');
 702                 if (empty($str_blocked)) {
 703                         return [];
 704                 }
 705
 706                 $blocklist = [];
 707
 708                 foreach (explode(',', $str_blocked) as $entry) {
 709                         $cid = Contact::getIdForURL(trim($entry), 0, false);
 710                         if (!empty($cid)) {
 711                                 $blocklist[] = $cid;
 712                         }
 713                 }
 714
 715                 return $blocklist;
 716         }
 717
 718         /**
 719          * Adds some information (Causer, post reason, direction) to the fetched post row.
 720          *
 721          * @param array   $row        Post row
 722          * @param array   $activity   Contact data of the resharer
 723          * @param array   $thr_parent Thread parent row
 724          *
 725          * @return array items with parents and comments
 726          */
 727         private function addRowInformation(array $row, array $activity, array $thr_parent): array
 728         {
 729                 $this->profiler->startRecording('rendering');
 730
 731                 if (!$row['writable']) {
 732                         $row['writable'] = in_array($row['network'], Protocol::FEDERATED);
 733                 }
 734
 735                 if (!empty($activity)) {
 736                         if (($row['gravity'] == ItemModel::GRAVITY_PARENT)) {
 737                                 $row['post-reason'] = ItemModel::PR_ANNOUNCEMENT;
 738
 739                                 $row     = array_merge($row, $activity);
 740                                 $contact = Contact::getById($activity['causer-id'], ['url', 'name', 'thumb']);
 741
 742                                 $row['causer-link']   = $contact['url'];
 743                                 $row['causer-avatar'] = $contact['thumb'];
 744                                 $row['causer-name']   = $contact['name'];
 745                         } elseif (($row['gravity'] == ItemModel::GRAVITY_ACTIVITY) && ($row['verb'] == Activity::ANNOUNCE) &&
 746                                 ($row['author-id'] == $activity['causer-id'])
 747                         ) {
 748                                 return $row;
 749                         }
 750                 }
 751
 752                 switch ($row['post-reason']) {
 753                         case ItemModel::PR_TO:
 754                                 $row['direction'] = ['direction' => 7, 'title' => $this->l10n->t('You had been addressed (%s).', 'to')];
 755                                 break;
 756                         case ItemModel::PR_CC:
 757                                 $row['direction'] = ['direction' => 7, 'title' => $this->l10n->t('You had been addressed (%s).', 'cc')];
 758                                 break;
 759                         case ItemModel::PR_BTO:
 760                                 $row['direction'] = ['direction' => 7, 'title' => $this->l10n->t('You had been addressed (%s).', 'bto')];
 761                                 break;
 762                         case ItemModel::PR_BCC:
 763                                 $row['direction'] = ['direction' => 7, 'title' => $this->l10n->t('You had been addressed (%s).', 'bcc')];
 764                                 break;
 765                         case ItemModel::PR_AUDIENCE:
 766                                 $row['direction'] = ['direction' => 7, 'title' => $this->l10n->t('You had been addressed (%s).', 'audience')];
 767                                 break;
 768                         case ItemModel::PR_FOLLOWER:
 769                                 $row['direction'] = ['direction' => 6, 'title' => $this->l10n->t('You are following %s.', $row['causer-name'] ?: $row['author-name'])];
 770                                 break;
 771                         case ItemModel::PR_TAG:
 772                                 $tags = Category::getArrayByURIId($row['uri-id'], $row['uid'], Category::SUBCRIPTION);
 773                                 if (!empty($tags)) {
 774                                         $row['direction'] = ['direction' => 4, 'title' => $this->l10n->t('You subscribed to %s.', implode(', ', $tags))];
 775                                 } else {
 776                                         $row['direction'] = ['direction' => 4, 'title' => $this->l10n->t('You subscribed to one or more tags in this post.')];
 777                                 }
 778                                 break;
 779                         case ItemModel::PR_ANNOUNCEMENT:
 780                                 if (!empty($row['causer-id']) && $this->pConfig->get($this->session->getLocalUserId(), 'system', 'display_resharer')) {
 781                                         $row['owner-id']     = $row['causer-id'];
 782                                         $row['owner-link']   = $row['causer-link'];
 783                                         $row['owner-avatar'] = $row['causer-avatar'];
 784                                         $row['owner-name']   = $row['causer-name'];
 785                                 }
 786
 787                                 if (in_array($row['gravity'], [ItemModel::GRAVITY_PARENT, ItemModel::GRAVITY_COMMENT]) && !empty($row['causer-id'])) {
 788                                         $causer = [
 789                                                 'uid'     => 0,
 790                                                 'id'      => $row['causer-id'],
 791                                                 'network' => $row['causer-network'],
 792                                                 'url'     => $row['causer-link'],
 793                                                 'alias'   => $row['causer-alias'],
 794                                         ];
 795
 796                                         $row['reshared'] = $this->l10n->t('%s reshared this.', '<a href="' . htmlentities(Contact::magicLinkByContact($causer)) . '">' . htmlentities($row['causer-name']) . '</a>');
 797                                 }
 798                                 $row['direction'] = ['direction' => 3, 'title' => (empty($row['causer-id']) ? $this->l10n->t('Reshared') : $this->l10n->t('Reshared by %s <%s>', $row['causer-name'], $row['causer-link']))];
 799                                 break;
 800                         case ItemModel::PR_COMMENT:
 801                                 $row['direction'] = ['direction' => 5, 'title' => $this->l10n->t('%s is participating in this thread.', $row['author-name'])];
 802                                 break;
 803                         case ItemModel::PR_STORED:
 804                                 $row['direction'] = ['direction' => 8, 'title' => $this->l10n->t('Stored for general reasons')];
 805                                 break;
 806                         case ItemModel::PR_GLOBAL:
 807                                 $row['direction'] = ['direction' => 9, 'title' => $this->l10n->t('Global post')];
 808                                 break;
 809                         case ItemModel::PR_RELAY:
 810                                 $row['direction'] = ['direction' => 10, 'title' => (empty($row['causer-id']) ? $this->l10n->t('Sent via an relay server') : $this->l10n->t('Sent via the relay server %s <%s>', $row['causer-name'], $row['causer-link']))];
 811                                 break;
 812                         case ItemModel::PR_FETCHED:
 813                                 $row['direction'] = ['direction' => 2, 'title' => (empty($row['causer-id']) ? $this->l10n->t('Fetched') : $this->l10n->t('Fetched because of %s <%s>', $row['causer-name'], $row['causer-link']))];
 814                                 break;
 815                         case ItemModel::PR_COMPLETION:
 816                                 $row['direction'] = ['direction' => 2, 'title' => $this->l10n->t('Stored because of a child post to complete this thread.')];
 817                                 break;
 818                         case ItemModel::PR_DIRECT:
 819                                 $row['direction'] = ['direction' => 6, 'title' => $this->l10n->t('Local delivery')];
 820                                 break;
 821                         case ItemModel::PR_ACTIVITY:
 822                                 $row['direction'] = ['direction' => 2, 'title' => $this->l10n->t('Stored because of your activity (like, comment, star, ...)')];
 823                                 break;
 824                         case ItemModel::PR_DISTRIBUTE:
 825                                 $row['direction'] = ['direction' => 6, 'title' => $this->l10n->t('Distributed')];
 826                                 break;
 827                         case ItemModel::PR_PUSHED:
 828                                 $row['direction'] = ['direction' => 1, 'title' => $this->l10n->t('Pushed to us')];
 829                                 break;
 830                 }
 831
 832                 $row['thr-parent-row'] = $thr_parent;
 833
 834                 $this->profiler->stopRecording();
 835                 return $row;
 836         }
 837
 838         /**
 839          * Add comments to top level entries that had been fetched before
 840          *
 841          * The system will fetch the comments for the local user whenever possible.
 842          * This behaviour is currently needed to allow commenting on Friendica posts.
 843          *
 844          * @param array  $parents       Parent items
 845          * @param bool   $block_authors
 846          * @param string $order         Either "received" or "commented"
 847          * @param int    $uid
 848          * @param string $mode          One of self::MODE_*
 849          * @param array  $ignoredGsids  List of ids of servers ignored by the user
 850          * @return array items with parents and comments
 851          * @throws InternalServerErrorException
 852          */
 853         private function addChildren(array $parents, bool $block_authors, string $order, int $uid, string $mode, array $ignoredGsids = []): array
 854         {
 855                 $this->profiler->startRecording('rendering');
 856                 if (count($parents) > 1) {
 857                         $max_comments = $this->config->get('system', 'max_comments', 100);
 858                 } else {
 859                         $max_comments = $this->config->get('system', 'max_display_comments', 1000);
 860                 }
 861
 862                 $activities      = [];
 863                 $uriids          = [];
 864                 $commentcounter  = [];
 865                 $activitycounter = [];
 866
 867                 foreach ($parents as $parent) {
 868                         if (!empty($parent['thr-parent-id']) && !empty($parent['gravity']) && ($parent['gravity'] == ItemModel::GRAVITY_ACTIVITY)) {
 869                                 $uriid = $parent['thr-parent-id'];
 870                                 if (!empty($parent['author-id'])) {
 871                                         $activities[$uriid] = ['causer-id' => $parent['author-id']];
 872                                         foreach (['commented', 'received', 'created'] as $orderfields) {
 873                                                 if (!empty($parent[$orderfields])) {
 874                                                         $activities[$uriid][$orderfields] = $parent[$orderfields];
 875                                                 }
 876                                         }
 877                                 }
 878                         } else {
 879                                 $uriid = $parent['uri-id'];
 880                         }
 881                         $uriids[] = $uriid;
 882
 883                         $commentcounter[$uriid]  = 0;
 884                         $activitycounter[$uriid] = 0;
 885                 }
 886
 887                 $condition = ['parent-uri-id' => $uriids];
 888                 if ($block_authors) {
 889                         $condition['author-hidden'] = false;
 890                 }
 891
 892                 $emojis      = $this->getEmojis($uriids);
 893                 $quoteshares = $this->getQuoteShares($uriids);
 894
 895                 if (!$this->config->get('system', 'legacy_activities')) {
 896                         $condition = DBA::mergeConditions($condition, ["(`gravity` != ? OR `origin`)", ItemModel::GRAVITY_ACTIVITY]);
 897                 }
 898
 899                 $condition = DBA::mergeConditions(
 900                         $condition,
 901                         ["`uid` IN (0, ?) AND (NOT `vid` IN (?, ?, ?) OR `vid` IS NULL)", $uid, Verb::getID(Activity::FOLLOW), Verb::getID(Activity::VIEW), Verb::getID(Activity::READ)]
 902                 );
 903
 904                 $condition = DBA::mergeConditions($condition, ["(`uid` != ? OR `private` != ?)", 0, ItemModel::PRIVATE]);
 905
 906                 $condition = DBA::mergeConditions(
 907                         $condition,
 908                         [
 909                                 "`visible` AND NOT `deleted` AND NOT `author-blocked` AND NOT `owner-blocked`
 910                         AND ((NOT `contact-pending` AND (`contact-rel` IN (?, ?))) OR `self` OR `contact-uid` = ?)",
 911                                 Contact::SHARING, Contact::FRIEND, 0
 912                         ]
 913                 );
 914
 915                 $thread_parents = Post::select(['uri-id', 'causer-id'], $condition, ['order' => ['uri-id' => false, 'uid']]);
 916
 917                 $thr_parent = [];
 918
 919                 while ($row = Post::fetch($thread_parents)) {
 920                         $thr_parent[$row['uri-id']] = $row;
 921                 }
 922                 DBA::close($thread_parents);
 923
 924                 $params = ['order' => ['uri-id' => true, 'uid' => true]];
 925
 926                 $thread_items = Post::select(array_merge(ItemModel::DISPLAY_FIELDLIST, ['featured', 'contact-uid', 'gravity', 'post-type', 'post-reason']), $condition, $params);
 927
 928                 $items         = [];
 929                 $quote_uri_ids = [];
 930                 $authors       = [];
 931
 932                 while ($row = Post::fetch($thread_items)) {
 933                         if (!empty($items[$row['uri-id']]) && ($row['uid'] == 0)) {
 934                                 continue;
 935                         }
 936
 937                         if (
 938                                 in_array($row['author-gsid'], $ignoredGsids)
 939                                 || in_array($row['owner-gsid'], $ignoredGsids)
 940                                 || in_array($row['causer-gsid'], $ignoredGsids)
 941                         ) {
 942                                 continue;
 943                         }
 944
 945                         if (($mode != self::MODE_CONTACTS) && !$row['origin']) {
 946                                 $row['featured'] = false;
 947                         }
 948
 949                         if ($max_comments > 0) {
 950                                 if (($row['gravity'] == ItemModel::GRAVITY_COMMENT) && (++$commentcounter[$row['parent-uri-id']] > $max_comments)) {
 951                                         continue;
 952                                 }
 953                                 if (($row['gravity'] == ItemModel::GRAVITY_ACTIVITY) && (++$activitycounter[$row['parent-uri-id']] > $max_comments)) {
 954                                         continue;
 955                                 }
 956                         }
 957
 958                         $authors[] = $row['author-id'];
 959                         $authors[] = $row['owner-id'];
 960
 961                         if (in_array($row['gravity'], [ItemModel::GRAVITY_PARENT, ItemModel::GRAVITY_COMMENT])) {
 962                                 $quote_uri_ids[$row['uri-id']] = [
 963                                         'uri-id'        => $row['uri-id'],
 964                                         'uri'           => $row['uri'],
 965                                         'parent-uri-id' => $row['parent-uri-id'],
 966                                         'parent-uri'    => $row['parent-uri'],
 967                                 ];
 968                         }
 969
 970                         $items[$row['uri-id']] = $this->addRowInformation($row, $activities[$row['uri-id']] ?? [], $thr_parent[$row['thr-parent-id']] ?? []);
 971                 }
 972
 973                 DBA::close($thread_items);
 974
 975                 $quotes = Post::select(array_merge(ItemModel::DISPLAY_FIELDLIST, ['featured', 'contact-uid', 'gravity', 'post-type', 'post-reason']), ['quote-uri-id' => array_column($quote_uri_ids, 'uri-id'), 'body' => '', 'uid' => 0]);
 976                 while ($quote = Post::fetch($quotes)) {
 977                         $row = $quote;
 978
 979                         $row['uid']           = $uid;
 980                         $row['verb']          = $row['body'] = $row['raw-body'] = Activity::ANNOUNCE;
 981                         $row['gravity']       = ItemModel::GRAVITY_ACTIVITY;
 982                         $row['object-type']   = Activity\ObjectType::NOTE;
 983                         $row['parent-uri']    = $quote_uri_ids[$quote['quote-uri-id']]['parent-uri'];
 984                         $row['parent-uri-id'] = $quote_uri_ids[$quote['quote-uri-id']]['parent-uri-id'];
 985                         $row['thr-parent']    = $quote_uri_ids[$quote['quote-uri-id']]['uri'];
 986                         $row['thr-parent-id'] = $quote_uri_ids[$quote['quote-uri-id']]['uri-id'];
 987
 988                         $authors[] = $row['author-id'];
 989                         $authors[] = $row['owner-id'];
 990
 991                         $items[$row['uri-id']] = $this->addRowInformation($row, [], []);
 992                 }
 993                 DBA::close($quotes);
 994
 995                 $authors = array_unique($authors);
 996
 997                 $blocks    = [];
 998                 $ignores   = [];
 999                 $collapses = [];
1000                 if (!empty($authors)) {
1001                         $usercontacts = DBA::select('user-contact', ['cid', 'blocked', 'ignored', 'collapsed'], ['uid' => $uid, 'cid' => $authors]);
1002                         while ($usercontact = DBA::fetch($usercontacts)) {
1003                                 if ($usercontact['blocked']) {
1004                                         $blocks[] = $usercontact['cid'];
1005                                 }
1006                                 if ($usercontact['ignored']) {
1007                                         $ignores[] = $usercontact['cid'];
1008                                 }
1009                                 if ($usercontact['collapsed']) {
1010                                         $collapses[] = $usercontact['cid'];
1011                                 }
1012                         }
1013                         DBA::close($usercontacts);
1014                 }
1015
1016                 foreach ($items as $key => $row) {
1017                         $items[$key]['emojis']      = $emojis[$key] ?? [];
1018                         $items[$key]['quoteshares'] = $quoteshares[$key] ?? [];
1019
1020                         $always_display = in_array($mode, [self::MODE_CONTACTS, self::MODE_CONTACT_POSTS]);
1021
1022                         $items[$key]['user-blocked-author']   = !$always_display && in_array($row['author-id'], $blocks);
1023                         $items[$key]['user-ignored-author']   = !$always_display && in_array($row['author-id'], $ignores);
1024                         $items[$key]['user-blocked-owner']    = !$always_display && in_array($row['owner-id'], $blocks);
1025                         $items[$key]['user-ignored-owner']    = !$always_display && in_array($row['owner-id'], $ignores);
1026                         $items[$key]['user-collapsed-author'] = !$always_display && in_array($row['author-id'], $collapses);
1027                         $items[$key]['user-collapsed-owner']  = !$always_display && in_array($row['owner-id'], $collapses);
1028
1029                         if (
1030                                 in_array($mode, [self::MODE_CHANNEL, self::MODE_COMMUNITY, self::MODE_NETWORK]) &&
1031                                 (in_array($row['author-id'], $blocks) || in_array($row['owner-id'], $blocks) || in_array($row['author-id'], $ignores) || in_array($row['owner-id'], $ignores))
1032                         ) {
1033                                 unset($items[$key]);
1034                         }
1035                 }
1036
1037                 $items = $this->convSort($items, $order);
1038
1039                 $this->profiler->stopRecording();
1040                 return $items;
1041         }
1042
1043         /**
1044          * Fetch emoji reaction from the conversation
1045          *
1046          * @param array $uriids
1047          * @return array
1048          */
1049         private function getEmojis(array $uriids): array
1050         {
1051                 $activity_emoji = [
1052                         Activity::LIKE        => '👍',
1053                         Activity::DISLIKE     => '👎',
1054                         Activity::ATTEND      => '✔️',
1055                         Activity::ATTENDMAYBE => '❓',
1056                         Activity::ATTENDNO    => '❌',
1057                         Activity::ANNOUNCE    => '♻',
1058                         Activity::VIEW        => '📺',
1059                 ];
1060
1061                 $index_list = array_values($activity_emoji);
1062                 $verbs      = array_merge(array_keys($activity_emoji), [Activity::EMOJIREACT, Activity::POST]);
1063
1064                 $condition = DBA::mergeConditions(['parent-uri-id' => $uriids, 'gravity' => [ItemModel::GRAVITY_ACTIVITY, ItemModel::GRAVITY_COMMENT], 'verb' => $verbs], ["NOT `deleted`"]);
1065                 $separator = chr(255) . chr(255) . chr(255);
1066
1067                 $sql = "SELECT `thr-parent-id`, `body`, `verb`, `gravity`, COUNT(*) AS `total`, GROUP_CONCAT(REPLACE(`author-name`, '" . $separator . "', ' ') SEPARATOR '" . $separator . "' LIMIT 50) AS `title` FROM `post-view` WHERE " . array_shift($condition) . " GROUP BY `thr-parent-id`, `verb`, `body`, `gravity`";
1068
1069                 $emojis = [];
1070
1071                 $rows = DBA::p($sql, $condition);
1072                 while ($row = DBA::fetch($rows)) {
1073                         if ($row['gravity'] == ItemModel::GRAVITY_ACTIVITY) {
1074                                 $row['verb'] = $row['body'] ? Activity::EMOJIREACT : $row['verb'];
1075                                 $emoji       = $row['body'] ?: $activity_emoji[$row['verb']];
1076                         } else {
1077                                 $emoji = '';
1078                         }
1079
1080                         if (!isset($index_list[$emoji])) {
1081                                 $index_list[] = $emoji;
1082                         }
1083                         $index = array_search($emoji, $index_list);
1084
1085                         $emojis[$row['thr-parent-id']][$index]['emoji'] = $emoji;
1086                         $emojis[$row['thr-parent-id']][$index]['verb']  = $row['verb'];
1087                         $emojis[$row['thr-parent-id']][$index]['total'] = ($emojis[$row['thr-parent-id']][$index]['total'] ?? 0) + $row['total'];
1088                         $emojis[$row['thr-parent-id']][$index]['title'] = array_unique(array_merge($emojis[$row['thr-parent-id']][$index]['title'] ?? [], explode($separator, $row['title'])));
1089                 }
1090                 DBA::close($rows);
1091
1092                 return $emojis;
1093         }
1094
1095         /**
1096          * Fetch quote shares from the conversation
1097          *
1098          * @param array $uriids
1099          * @return array
1100          */
1101         private function getQuoteShares(array $uriids): array
1102         {
1103                 $condition = DBA::mergeConditions(['quote-uri-id' => $uriids], ["NOT `quote-uri-id` IS NULL"]);
1104                 $separator = chr(255) . chr(255) . chr(255);
1105
1106                 $sql = "SELECT `quote-uri-id`, COUNT(*) AS `total`, GROUP_CONCAT(REPLACE(`name`, '" . $separator . "', ' ') SEPARATOR '" . $separator . "' LIMIT 50) AS `title` FROM `post-content` INNER JOIN `post` ON `post`.`uri-id` = `post-content`.`uri-id` INNER JOIN `contact` ON `post`.`author-id` = `contact`.`id` WHERE " . array_shift($condition) . " GROUP BY `quote-uri-id`";
1107
1108                 $quotes = [];
1109
1110                 $rows = DBA::p($sql, $condition);
1111                 while ($row = DBA::fetch($rows)) {
1112                         $quotes[$row['quote-uri-id']]['total'] = $row['total'];
1113                         $quotes[$row['quote-uri-id']]['title'] = array_unique(explode($separator, $row['title']));
1114                 }
1115                 DBA::close($rows);
1116
1117                 return $quotes;
1118         }
1119
1120         /**
1121          * Plucks the children of the given parent from a given item list.
1122          *
1123          * @param array $item_list
1124          * @param array $parent
1125          * @param bool  $recursive
1126          * @return array
1127          */
1128         private function getItemChildren(array &$item_list, array $parent, bool $recursive = true): array
1129         {
1130                 $this->profiler->startRecording('rendering');
1131                 $children = [];
1132                 foreach ($item_list as $i => $item) {
1133                         if ($item['gravity'] != ItemModel::GRAVITY_PARENT) {
1134                                 if ($recursive) {
1135                                         // Fallback to parent-uri if thr-parent is not set
1136                                         $thr_parent = $item['thr-parent-id'];
1137                                         if ($thr_parent == '') {
1138                                                 $thr_parent = $item['parent-uri-id'];
1139                                         }
1140
1141                                         if ($thr_parent == $parent['uri-id']) {
1142                                                 $item['children'] = $this->getItemChildren($item_list, $item);
1143
1144                                                 $children[] = $item;
1145                                                 unset($item_list[$i]);
1146                                         }
1147                                 } elseif ($item['parent-uri-id'] == $parent['uri-id']) {
1148                                         $children[] = $item;
1149                                         unset($item_list[$i]);
1150                                 }
1151                         }
1152                 }
1153                 $this->profiler->stopRecording();
1154                 return $children;
1155         }
1156
1157         /**
1158          * Recursively sorts a tree-like item array
1159          *
1160          * @param array $items
1161          * @return array
1162          */
1163         private function sortItemChildren(array $items): array
1164         {
1165                 $this->profiler->startRecording('rendering');
1166                 $result = $items;
1167                 usort($result, [$this, 'sortThrReceivedRev']);
1168                 foreach ($result as $k => $i) {
1169                         if (isset($result[$k]['children'])) {
1170                                 $result[$k]['children'] = $this->sortItemChildren($result[$k]['children']);
1171                         }
1172                 }
1173                 $this->profiler->stopRecording();
1174                 return $result;
1175         }
1176
1177         /**
1178          * Recursively add all children items at the top level of a list
1179          *
1180          * @param array $children List of items to append
1181          * @param array $item_list
1182          */
1183         private function addChildrenToList(array $children, array &$item_list)
1184         {
1185                 foreach ($children as $child) {
1186                         $item_list[] = $child;
1187                         if (isset($child['children'])) {
1188                                 $this->addChildrenToList($child['children'], $item_list);
1189                         }
1190                 }
1191         }
1192
1193         /**
1194          * Selectively flattens a tree-like item structure to prevent threading stairs
1195          *
1196          * This recursive function takes the item tree structure created by conv_sort() and
1197          * flatten the extraneous depth levels when people reply sequentially, removing the
1198          * stairs effect in threaded conversations limiting the available content width.
1199          *
1200          * The basic principle is the following: if a post item has only one reply and is
1201          * the last reply of its parent, then the reply is moved to the parent.
1202          *
1203          * This process is rendered somewhat more complicated because items can be either
1204          * replies or likes, and these don't factor at all in the reply count/last reply.
1205          *
1206          * @param array $parent A tree-like array of items
1207          * @return array
1208          */
1209         private function smartFlattenConversation(array $parent): array
1210         {
1211                 $this->profiler->startRecording('rendering');
1212                 if (!isset($parent['children']) || count($parent['children']) == 0) {
1213                         $this->profiler->stopRecording();
1214                         return $parent;
1215                 }
1216
1217                 // We use a for loop to ensure we process the newly-moved items
1218                 for ($i = 0; $i < count($parent['children']); $i++) {
1219                         $child = $parent['children'][$i];
1220
1221                         if (isset($child['children']) && count($child['children'])) {
1222                                 // This helps counting only the regular posts
1223                                 $count_post_closure = function ($var) {
1224                                         $this->profiler->stopRecording();
1225                                         return $var['verb'] === Activity::POST;
1226                                 };
1227
1228                                 $child_post_count = count(array_filter($child['children'], $count_post_closure));
1229
1230                                 $remaining_post_count = count(array_filter(array_slice($parent['children'], $i), $count_post_closure));
1231
1232                                 // If there's only one child's children post and this is the last child post
1233                                 if ($child_post_count == 1 && $remaining_post_count == 1) {
1234
1235                                         // Searches the post item in the children
1236                                         $j = 0;
1237                                         while ($child['children'][$j]['verb'] !== Activity::POST && $j < count($child['children'])) {
1238                                                 $j++;
1239                                         }
1240
1241                                         $moved_item = $child['children'][$j];
1242                                         unset($parent['children'][$i]['children'][$j]);
1243                                         $parent['children'][] = $moved_item;
1244                                 } else {
1245                                         $parent['children'][$i] = $this->smartFlattenConversation($child);
1246                                 }
1247                         }
1248                 }
1249
1250                 $this->profiler->stopRecording();
1251                 return $parent;
1252         }
1253
1254         /**
1255          * Expands a flat list of items into corresponding tree-like conversation structures.
1256          *
1257          * sort the top-level posts either on "received" or "commented", and finally
1258          * append all the items at the top level (???)
1259          *
1260          * @param array  $item_list A list of items belonging to one or more conversations
1261          * @param string $order     Either on "received" or "commented"
1262          * @return array
1263          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1264          */
1265         private function convSort(array $item_list, string $order): array
1266         {
1267                 $this->profiler->startRecording('rendering');
1268                 $parents = [];
1269
1270                 if (!(is_array($item_list) && count($item_list))) {
1271                         $this->profiler->stopRecording();
1272                         return $parents;
1273                 }
1274
1275                 $blocklist = $this->getBlocklist();
1276
1277                 $item_array = [];
1278
1279                 // Dedupes the item list on the uri to prevent infinite loops
1280                 foreach ($item_list as $item) {
1281                         if (in_array($item['author-id'], $blocklist)) {
1282                                 continue;
1283                         }
1284
1285                         $item_array[$item['uri-id']] = $item;
1286                 }
1287
1288                 // Extract the top level items
1289                 foreach ($item_array as $item) {
1290                         if ($item['gravity'] == ItemModel::GRAVITY_PARENT) {
1291                                 $parents[] = $item;
1292                         }
1293                 }
1294
1295                 if (stristr($order, 'pinned_received')) {
1296                         usort($parents, [$this, 'sortThrFeaturedReceived']);
1297                 } elseif (stristr($order, 'pinned_commented')) {
1298                         usort($parents, [$this, 'sortThrFeaturedCommented']);
1299                 } elseif (stristr($order, 'received')) {
1300                         usort($parents, [$this, 'sortThrReceived']);
1301                 } elseif (stristr($order, 'commented')) {
1302                         usort($parents, [$this, 'sortThrCommented']);
1303                 } elseif (stristr($order, 'created')) {
1304                         usort($parents, [$this, 'sortThrCreated']);
1305                 }
1306
1307                 /*
1308                 * Plucks children from the item_array, second pass collects eventual orphan
1309                 * items and add them as children of their top-level post.
1310                 */
1311                 foreach ($parents as $i => $parent) {
1312                         $parents[$i]['children'] = array_merge(
1313                                 $this->getItemChildren($item_array, $parent, true),
1314                                 $this->getItemChildren($item_array, $parent, false)
1315                         );
1316                 }
1317
1318                 foreach ($parents as $i => $parent) {
1319                         $parents[$i]['children'] = $this->sortItemChildren($parents[$i]['children']);
1320                 }
1321
1322                 if (!$this->pConfig->get($this->session->getLocalUserId(), 'system', 'no_smart_threading', 0)) {
1323                         foreach ($parents as $i => $parent) {
1324                                 $parents[$i] = $this->smartFlattenConversation($parent);
1325                         }
1326                 }
1327
1328                 /// @TODO: Stop recursively adding all children back to the top level (!!!)
1329                 /// However, this apparently ensures responses (likes, attendance) display (?!)
1330                 foreach ($parents as $parent) {
1331                         if (count($parent['children'])) {
1332                                 $this->addChildrenToList($parent['children'], $parents);
1333                         }
1334                 }
1335
1336                 $this->profiler->stopRecording();
1337                 return $parents;
1338         }
1339
1340         /**
1341          * usort() callback to sort item arrays by featured and the received key
1342          *
1343          * @param array $a
1344          * @param array $b
1345          * @return int
1346          */
1347         private function sortThrFeaturedReceived(array $a, array $b): int
1348         {
1349                 if ($b['featured'] && !$a['featured']) {
1350                         return 1;
1351                 } elseif (!$b['featured'] && $a['featured']) {
1352                         return -1;
1353                 }
1354
1355                 return strcmp($b['received'], $a['received']);
1356         }
1357
1358         /**
1359          * usort() callback to sort item arrays by featured and the received key
1360          *
1361          * @param array $a
1362          * @param array $b
1363          * @return int
1364          */
1365         private function sortThrFeaturedCommented(array $a, array $b): int
1366         {
1367                 if ($b['featured'] && !$a['featured']) {
1368                         return 1;
1369                 } elseif (!$b['featured'] && $a['featured']) {
1370                         return -1;
1371                 }
1372
1373                 return strcmp($b['commented'], $a['commented']);
1374         }
1375
1376         /**
1377          * usort() callback to sort item arrays by the received key
1378          *
1379          * @param array $a
1380          * @param array $b
1381          * @return int
1382          */
1383         private function sortThrReceived(array $a, array $b): int
1384         {
1385                 return strcmp($b['received'], $a['received']);
1386         }
1387
1388         /**
1389          * usort() callback to reverse sort item arrays by the received key
1390          *
1391          * @param array $a
1392          * @param array $b
1393          * @return int
1394          */
1395         private function sortThrReceivedRev(array $a, array $b): int
1396         {
1397                 return strcmp($a['received'], $b['received']);
1398         }
1399
1400         /**
1401          * usort() callback to sort item arrays by the commented key
1402          *
1403          * @param array $a
1404          * @param array $b
1405          * @return int
1406          */
1407         private function sortThrCommented(array $a, array $b): int
1408         {
1409                 return strcmp($b['commented'], $a['commented']);
1410         }
1411
1412         /**
1413          * usort() callback to sort item arrays by the created key
1414          *
1415          * @param array $a
1416          * @param array $b
1417          * @return int
1418          */
1419         private function sortThrCreated(array $a, array $b): int
1420         {
1421                 return strcmp($b['created'], $a['created']);
1422         }
1423
1424         /**
1425          * "New Item View" on network page or search page results
1426          * - just loop through the items and format them minimally for display
1427          *
1428          * @param array  $items
1429          * @param string $mode              One of self::MODE_*
1430          * @param bool   $preview           Whether the display is a preview
1431          * @param bool   $pagedrop          Whether the user can select the threads for deletion
1432          * @param string $formSecurityToken A 'contact_action' form security token
1433          * @return array
1434          * @throws InternalServerErrorException
1435          * @throws \ImagickException
1436          */
1437         public function getContextLessThreadList(array $items, string $mode, bool $preview, bool $pagedrop, string $formSecurityToken): array
1438         {
1439                 $threads = [];
1440                 $uriids = [];
1441
1442                 foreach ($items as $item) {
1443                         if (in_array($item['uri-id'], $uriids)) {
1444                                 continue;
1445                         }
1446
1447                         $uriids[] = $item['uri-id'];
1448
1449                         if (!$this->item->isVisibleActivity($item)) {
1450                                 continue;
1451                         }
1452
1453                         if (in_array($item['author-id'], $this->getBlocklist())) {
1454                                 continue;
1455                         }
1456
1457                         // prevent private email from leaking.
1458                         if ($item['network'] === Protocol::MAIL && $this->session->getLocalUserId() != $item['uid']) {
1459                                 continue;
1460                         }
1461
1462                         $profile_name = $item['author-name'];
1463                         if (!empty($item['author-link']) && empty($item['author-name'])) {
1464                                 $profile_name = $item['author-link'];
1465                         }
1466
1467                         $tags = Tag::populateFromItem($item);
1468
1469                         $author       = [
1470                                 'uid'     => 0,
1471                                 'id'      => $item['author-id'],
1472                                 'network' => $item['author-network'],
1473                                 'url'     => $item['author-link'],
1474                                 'alias'   => $item['author-alias'],
1475                         ];
1476                         $profile_link = Contact::magicLinkByContact($author);
1477
1478                         $sparkle = '';
1479                         if (strpos($profile_link, 'contact/redir/') === 0) {
1480                                 $sparkle = ' sparkle';
1481                         }
1482
1483                         $locate = ['location' => $item['location'], 'coord' => $item['coord'], 'html' => ''];
1484                         Hook::callAll('render_location', $locate);
1485                         $location_html = $locate['html'] ?: Strings::escapeHtml($locate['location'] ?: $locate['coord'] ?: '');
1486
1487                         $this->item->localize($item);
1488                         if ($mode === self::MODE_FILED) {
1489                                 $dropping = true;
1490                         } else {
1491                                 $dropping = false;
1492                         }
1493
1494                         $drop = [
1495                                 'dropping' => $dropping,
1496                                 'pagedrop' => $pagedrop,
1497                                 'select'   => $this->l10n->t('Select'),
1498                                 'delete'   => $this->l10n->t('Delete'),
1499                         ];
1500
1501                         $likebuttons = [
1502                                 'like'     => null,
1503                                 'dislike'  => null,
1504                                 'share'    => null,
1505                                 'announce' => null,
1506                         ];
1507
1508                         if ($this->pConfig->get($this->session->getLocalUserId(), 'system', 'hide_dislike')) {
1509                                 unset($likebuttons['dislike']);
1510                         }
1511
1512                         $body_html = ItemModel::prepareBody($item, true, $preview);
1513
1514                         [$categories, $folders] = $this->item->determineCategoriesTerms($item, $this->session->getLocalUserId());
1515
1516                         if (!empty($item['title'])) {
1517                                 $title = $item['title'];
1518                         } elseif (!empty($item['content-warning']) && $this->pConfig->get($this->session->getLocalUserId(), 'system', 'disable_cw', false)) {
1519                                 $title = ucfirst($item['content-warning']);
1520                         } else {
1521                                 $title = '';
1522                         }
1523
1524                         if (!empty($item['featured'])) {
1525                                 $pinned = $this->l10n->t('Pinned item');
1526                         } else {
1527                                 $pinned = '';
1528                         }
1529
1530                         $tmp_item = [
1531                                 'template'             => 'search_item.tpl',
1532                                 'id'                   => ($preview ? 'P0' : $item['id']),
1533                                 'guid'                 => ($preview ? 'Q0' : $item['guid']),
1534                                 'commented'            => $item['commented'],
1535                                 'received'             => $item['received'],
1536                                 'created_date'         => $item['created'],
1537                                 'uriid'                => $item['uri-id'],
1538                                 'author_gsid'          => $item['author-gsid'],
1539                                 'network'              => $item['network'],
1540                                 'network_name'         => ContactSelector::networkToName($item['author-network'], $item['author-link'], $item['network'], $item['author-gsid']),
1541                                 'network_icon'         => ContactSelector::networkToIcon($item['network'], $item['author-link'], $item['author-gsid']),
1542                                 'linktitle'            => $this->l10n->t('View %s\'s profile @ %s', $profile_name, $item['author-link']),
1543                                 'profile_url'          => $profile_link,
1544                                 'item_photo_menu_html' => $this->item->photoMenu($item, $formSecurityToken),
1545                                 'name'                 => $profile_name,
1546                                 'sparkle'              => $sparkle,
1547                                 'lock'                 => false,
1548                                 'thumb'                => $this->baseURL->remove($this->item->getAuthorAvatar($item)),
1549                                 'title'                => $title,
1550                                 'body_html'            => $body_html,
1551                                 'tags'                 => $tags['tags'],
1552                                 'hashtags'             => $tags['hashtags'],
1553                                 'mentions'             => $tags['mentions'],
1554                                 'implicit_mentions'    => $tags['implicit_mentions'],
1555                                 'txt_cats'             => $this->l10n->t('Categories:'),
1556                                 'txt_folders'          => $this->l10n->t('Filed under:'),
1557                                 'has_cats'             => ((count($categories)) ? 'true' : ''),
1558                                 'has_folders'          => ((count($folders)) ? 'true' : ''),
1559                                 'categories'           => $categories,
1560                                 'folders'              => $folders,
1561                                 'text'                 => strip_tags($body_html),
1562                                 'localtime'            => DateTimeFormat::local($item['created'], 'r'),
1563                                 'utc'                  => DateTimeFormat::utc($item['created'], 'c'),
1564                                 'ago'                  => (($item['app']) ? $this->l10n->t('%s from %s', Temporal::getRelativeDate($item['created']), $item['app']) : Temporal::getRelativeDate($item['created'])),
1565                                 'location_html'        => $location_html,
1566                                 'indent'               => '',
1567                                 'owner_name'           => '',
1568                                 'owner_url'            => '',
1569                                 'owner_photo'          => $this->baseURL->remove($this->item->getOwnerAvatar($item)),
1570                                 'plink'                => ItemModel::getPlink($item),
1571                                 'edpost'               => false,
1572                                 'pinned'               => $pinned,
1573                                 'isstarred'            => 'unstarred',
1574                                 'star'                 => false,
1575                                 'drop'                 => $drop,
1576                                 'vote'                 => $likebuttons,
1577                                 'like_html'            => '',
1578                                 'dislike_html '        => '',
1579                                 'comment_html'         => '',
1580                                 'conv'                 => $preview ? '' : ['href' => 'display/' . $item['guid'], 'title' => $this->l10n->t('View in context')],
1581                                 'previewing'           => $preview ? ' preview ' : '',
1582                                 'wait'                 => $this->l10n->t('Please wait'),
1583                                 'thread_level'         => 1,
1584                         ];
1585
1586                         $arr = ['item' => $item, 'output' => $tmp_item];
1587                         Hook::callAll('display_item', $arr);
1588
1589                         $threads[] = [
1590                                 'id'      => $item['id'],
1591                                 'network' => $item['network'],
1592                                 'items'   => [$arr['output']],
1593                         ];
1594                 }
1595
1596                 return $threads;
1597         }
1598 }