src/Model/Circle.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\Model;
  23
  24 use Friendica\BaseModule;
  25 use Friendica\Content\Widget;
  26 use Friendica\Core\Logger;
  27 use Friendica\Core\Protocol;
  28 use Friendica\Core\Renderer;
  29 use Friendica\Database\Database;
  30 use Friendica\Database\DBA;
  31 use Friendica\DI;
  32 use Friendica\Network\HTTPException;
  33 use Friendica\Protocol\ActivityPub;
  34
  35 /**
  36  * functions for interacting with the group database table
  37  */
  38 class Circle
  39 {
  40         const FOLLOWERS = '~';
  41         const MUTUALS = '&';
  42
  43         /**
  44          * Fetches circle record by user id and maybe includes deleted circles as well
  45          *
  46          * @param int  $uid User id to fetch circle(s) for
  47          * @param bool $includesDeleted Whether deleted circles should be included
  48          * @return array|bool Array on success, bool on error
  49          */
  50         public static function getByUserId(int $uid, bool $includesDeleted = false)
  51         {
  52                 $conditions = ['uid' => $uid, 'cid' => null];
  53
  54                 if (!$includesDeleted) {
  55                         $conditions['deleted'] = false;
  56                 }
  57
  58                 return DBA::selectToArray('group', [], $conditions);
  59         }
  60
  61         /**
  62          * Checks whether given circle id is found in database
  63          *
  64          * @param int $circle_id Circle id
  65          * @param int $uid Optional user id
  66          * @return bool
  67          * @throws \Exception
  68          */
  69         public static function exists(int $circle_id, int $uid = null): bool
  70         {
  71                 $condition = ['id' => $circle_id, 'deleted' => false];
  72
  73                 if (!is_null($uid)) {
  74                         $condition = [
  75                                 'uid' => $uid
  76                         ];
  77                 }
  78
  79                 return DBA::exists('group', $condition);
  80         }
  81
  82         /**
  83          * Create a new contact circle
  84          *
  85          * Note: If we found a deleted circle with the same name, we restore it
  86          *
  87          * @param int    $uid User id to create circle for
  88          * @param string $name Name of circle
  89          * @return int|boolean Id of newly created circle or false on error
  90          * @throws \Exception
  91          */
  92         public static function create(int $uid, string $name)
  93         {
  94                 $return = false;
  95                 if (!empty($uid) && !empty($name)) {
  96                         $gid = self::getIdByName($uid, $name); // check for dupes
  97                         if ($gid !== false) {
  98                                 // This could be a problem.
  99                                 // Let's assume we've just created a circle which we once deleted
 100                                 // all the old members are gone, but the circle remains, so we don't break any security
 101                                 // access lists. What we're doing here is reviving the dead circle, but old content which
 102                                 // was restricted to this circle may now be seen by the new circle members.
 103                                 $circle = DBA::selectFirst('group', ['deleted'], ['id' => $gid]);
 104                                 if (DBA::isResult($circle) && $circle['deleted']) {
 105                                         DBA::update('group', ['deleted' => 0], ['id' => $gid]);
 106                                         DI::sysmsg()->addNotice(DI::l10n()->t('A deleted circle with this name was revived. Existing item permissions <strong>may</strong> apply to this circle and any future members. If this is not what you intended, please create another circle with a different name.'));
 107                                 }
 108                                 return true;
 109                         }
 110
 111                         $return = DBA::insert('group', ['uid' => $uid, 'name' => $name]);
 112                         if ($return) {
 113                                 $return = DBA::lastInsertId();
 114                         }
 115                 }
 116                 return $return;
 117         }
 118
 119         /**
 120          * Update circle information.
 121          *
 122          * @param int    $id   Circle ID
 123          * @param string $name Circle name
 124          *
 125          * @return bool Was the update successful?
 126          * @throws \Exception
 127          */
 128         public static function update(int $id, string $name): bool
 129         {
 130                 return DBA::update('group', ['name' => $name], ['id' => $id]);
 131         }
 132
 133         /**
 134          * Get a list of circle ids a contact belongs to
 135          *
 136          * @param int $cid Contact id
 137          * @return array Circle ids
 138          * @throws \Exception
 139          */
 140         public static function getIdsByContactId(int $cid): array
 141         {
 142                 $contact = Contact::getById($cid, ['rel']);
 143                 if (!$contact) {
 144                         return [];
 145                 }
 146
 147                 $circleIds = [];
 148
 149                 $stmt = DBA::select('group_member', ['gid'], ['contact-id' => $cid]);
 150                 while ($circle = DBA::fetch($stmt)) {
 151                         $circleIds[] = $circle['gid'];
 152                 }
 153                 DBA::close($stmt);
 154
 155                 // Meta-circles
 156                 if ($contact['rel'] == Contact::FOLLOWER || $contact['rel'] == Contact::FRIEND) {
 157                         $circleIds[] = self::FOLLOWERS;
 158                 }
 159
 160                 if ($contact['rel'] == Contact::FRIEND) {
 161                         $circleIds[] = self::MUTUALS;
 162                 }
 163
 164                 return $circleIds;
 165         }
 166
 167         /**
 168          * count unread circle items
 169          *
 170          * Count unread items of each circle of the local user
 171          *
 172          * @return array
 173          *    'id' => circle id
 174          *    'name' => circle name
 175          *    'count' => counted unseen circle items
 176          * @throws \Exception
 177          */
 178         public static function countUnseen()
 179         {
 180                 $stmt = DBA::p("SELECT `circle`.`id`, `circle`.`name`,
 181                                 (SELECT COUNT(*) FROM `post-user-view`
 182                                         WHERE `uid` = ?
 183                                         AND `unseen`
 184                                         AND `contact-id` IN
 185                                                 (SELECT `contact-id`
 186                                                 FROM `group_member` AS `circle_member`
 187                                                 WHERE `circle_member`.`gid` = `circle`.`id`)
 188                                         ) AS `count`
 189                                 FROM `group` AS `circle`
 190                                 WHERE `circle`.`uid` = ?;",
 191                         DI::userSession()->getLocalUserId(),
 192                         DI::userSession()->getLocalUserId()
 193                 );
 194
 195                 return DBA::toArray($stmt);
 196         }
 197
 198         /**
 199          * Get the circle id for a user/name couple
 200          *
 201          * Returns false if no circle has been found.
 202          *
 203          * @param int    $uid User id
 204          * @param string $name Circle name
 205          * @return int|boolean Circle's id number or false on error
 206          * @throws \Exception
 207          */
 208         public static function getIdByName(int $uid, string $name)
 209         {
 210                 if (!$uid || !strlen($name)) {
 211                         return false;
 212                 }
 213
 214                 $circle = DBA::selectFirst('group', ['id'], ['uid' => $uid, 'name' => $name]);
 215                 if (DBA::isResult($circle)) {
 216                         return $circle['id'];
 217                 }
 218
 219                 return false;
 220         }
 221
 222         /**
 223          * Mark a circle as deleted
 224          *
 225          * @param int $gid
 226          * @return boolean
 227          * @throws \Exception
 228          */
 229         public static function remove(int $gid): bool
 230         {
 231                 if (!$gid) {
 232                         return false;
 233                 }
 234
 235                 $circle = DBA::selectFirst('group', ['uid'], ['id' => $gid]);
 236                 if (!DBA::isResult($circle)) {
 237                         return false;
 238                 }
 239
 240                 // remove circle from default posting lists
 241                 $user = DBA::selectFirst('user', ['def_gid', 'allow_gid', 'deny_gid'], ['uid' => $circle['uid']]);
 242                 if (DBA::isResult($user)) {
 243                         $change = false;
 244
 245                         if ($user['def_gid'] == $gid) {
 246                                 $user['def_gid'] = 0;
 247                                 $change = true;
 248                         }
 249                         if (strpos($user['allow_gid'], '<' . $gid . '>') !== false) {
 250                                 $user['allow_gid'] = str_replace('<' . $gid . '>', '', $user['allow_gid']);
 251                                 $change = true;
 252                         }
 253                         if (strpos($user['deny_gid'], '<' . $gid . '>') !== false) {
 254                                 $user['deny_gid'] = str_replace('<' . $gid . '>', '', $user['deny_gid']);
 255                                 $change = true;
 256                         }
 257
 258                         if ($change) {
 259                                 DBA::update('user', $user, ['uid' => $circle['uid']]);
 260                         }
 261                 }
 262
 263                 // remove all members
 264                 DBA::delete('group_member', ['gid' => $gid]);
 265
 266                 // remove circle
 267                 $return = DBA::update('group', ['deleted' => 1], ['id' => $gid]);
 268
 269                 return $return;
 270         }
 271
 272         /**
 273          * Adds a contact to a circle
 274          *
 275          * @param int $gid
 276          * @param int $cid
 277          * @return boolean
 278          * @throws \Exception
 279          */
 280         public static function addMember(int $gid, int $cid): bool
 281         {
 282                 if (!$gid || !$cid) {
 283                         return false;
 284                 }
 285
 286                 // @TODO Backward compatibility with user contacts, remove by version 2022.03
 287                 $circle = DBA::selectFirst('group', ['uid'], ['id' => $gid]);
 288                 if (empty($circle)) {
 289                         throw new HTTPException\NotFoundException('Circle not found.');
 290                 }
 291
 292                 $cdata = Contact::getPublicAndUserContactID($cid, $circle['uid']);
 293                 if (empty($cdata['user'])) {
 294                         throw new HTTPException\NotFoundException('Invalid contact.');
 295                 }
 296
 297                 return DBA::insert('group_member', ['gid' => $gid, 'contact-id' => $cdata['user']], Database::INSERT_IGNORE);
 298         }
 299
 300         /**
 301          * Removes a contact from a circle
 302          *
 303          * @param int $gid
 304          * @param int $cid
 305          * @return boolean
 306          * @throws \Exception
 307          */
 308         public static function removeMember(int $gid, int $cid): bool
 309         {
 310                 if (!$gid || !$cid) {
 311                         return false;
 312                 }
 313
 314                 // @TODO Backward compatibility with user contacts, remove by version 2022.03
 315                 $circle = DBA::selectFirst('group', ['uid'], ['id' => $gid]);
 316                 if (empty($circle)) {
 317                         throw new HTTPException\NotFoundException('Circle not found.');
 318                 }
 319
 320                 $cdata = Contact::getPublicAndUserContactID($cid, $circle['uid']);
 321                 if (empty($cdata['user'])) {
 322                         throw new HTTPException\NotFoundException('Invalid contact.');
 323                 }
 324
 325                 return DBA::delete('group_member', ['gid' => $gid, 'contact-id' => $cid]);
 326         }
 327
 328         /**
 329          * Adds contacts to a circle
 330          *
 331          * @param int $gid
 332          * @param array $contacts Array with contact ids
 333          * @return void
 334          * @throws \Exception
 335          */
 336         public static function addMembers(int $gid, array $contacts)
 337         {
 338                 if (!$gid || !$contacts) {
 339                         return;
 340                 }
 341
 342                 // @TODO Backward compatibility with user contacts, remove by version 2022.03
 343                 $circle = DBA::selectFirst('group', ['uid'], ['id' => $gid]);
 344                 if (empty($circle)) {
 345                         throw new HTTPException\NotFoundException('Circle not found.');
 346                 }
 347
 348                 foreach ($contacts as $cid) {
 349                         $cdata = Contact::getPublicAndUserContactID($cid, $circle['uid']);
 350                         if (empty($cdata['user'])) {
 351                                 throw new HTTPException\NotFoundException('Invalid contact.');
 352                         }
 353
 354                         DBA::insert('group_member', ['gid' => $gid, 'contact-id' => $cdata['user']], Database::INSERT_IGNORE);
 355                 }
 356         }
 357
 358         /**
 359          * Removes contacts from a circle
 360          *
 361          * @param int $gid Circle id
 362          * @param array $contacts Contact ids
 363          * @return bool
 364          * @throws \Exception
 365          */
 366         public static function removeMembers(int $gid, array $contacts)
 367         {
 368                 if (!$gid || !$contacts) {
 369                         return false;
 370                 }
 371
 372                 // @TODO Backward compatibility with user contacts, remove by version 2022.03
 373                 $circle = DBA::selectFirst('group', ['uid'], ['id' => $gid]);
 374                 if (empty($circle)) {
 375                         throw new HTTPException\NotFoundException('Circle not found.');
 376                 }
 377
 378                 $contactIds = [];
 379
 380                 foreach ($contacts as $cid) {
 381                         $cdata = Contact::getPublicAndUserContactID($cid, $circle['uid']);
 382                         if (empty($cdata['user'])) {
 383                                 throw new HTTPException\NotFoundException('Invalid contact.');
 384                         }
 385
 386                         $contactIds[] = $cdata['user'];
 387                 }
 388
 389                 // Return status of deletion
 390                 return DBA::delete('group_member', ['gid' => $gid, 'contact-id' => $contactIds]);
 391         }
 392
 393         /**
 394          * Returns the combined list of contact ids from a circle id list
 395          *
 396          * @param int     $uid              User id
 397          * @param array   $circle_ids        Circles ids
 398          * @param boolean $check_dead       Whether check "dead" records (?)
 399          * @param boolean $expand_followers Expand the list of followers
 400          * @return array
 401          * @throws \Exception
 402          */
 403         public static function expand(int $uid, array $circle_ids, bool $check_dead = false, bool $expand_followers = true): array
 404         {
 405                 if (!is_array($circle_ids) || !count($circle_ids)) {
 406                         return [];
 407                 }
 408
 409                 $return               = [];
 410                 $pubmail              = false;
 411                 $followers_collection = false;
 412                 $networks             = Protocol::SUPPORT_PRIVATE;
 413
 414                 $mailacct = DBA::selectFirst('mailacct', ['pubmail'], ['`uid` = ? AND `server` != ""', $uid]);
 415                 if (DBA::isResult($mailacct)) {
 416                         $pubmail = $mailacct['pubmail'];
 417                 }
 418
 419                 if (!$pubmail) {
 420                         $networks = array_diff($networks, [Protocol::MAIL]);
 421                 }
 422
 423                 $key = array_search(self::FOLLOWERS, $circle_ids);
 424                 if ($key !== false) {
 425                         if ($expand_followers) {
 426                                 $followers = Contact::selectToArray(['id'], [
 427                                         'uid' => $uid,
 428                                         'rel' => [Contact::FOLLOWER, Contact::FRIEND],
 429                                         'network' => $networks,
 430                                         'contact-type' => [Contact::TYPE_UNKNOWN, Contact::TYPE_PERSON],
 431                                         'archive' => false,
 432                                         'pending' => false,
 433                                         'blocked' => false,
 434                                 ]);
 435
 436                                 foreach ($followers as $follower) {
 437                                         $return[] = $follower['id'];
 438                                 }
 439                         } else {
 440                                 $followers_collection = true;
 441                         }
 442                         unset($circle_ids[$key]);
 443                 }
 444
 445                 $key = array_search(self::MUTUALS, $circle_ids);
 446                 if ($key !== false) {
 447                         $mutuals = Contact::selectToArray(['id'], [
 448                                 'uid' => $uid,
 449                                 'rel' => [Contact::FRIEND],
 450                                 'network' => $networks,
 451                                 'contact-type' => [Contact::TYPE_UNKNOWN, Contact::TYPE_PERSON],
 452                                 'archive' => false,
 453                                 'pending' => false,
 454                                 'blocked' => false,
 455                         ]);
 456
 457                         foreach ($mutuals as $mutual) {
 458                                 $return[] = $mutual['id'];
 459                         }
 460
 461                         unset($circle_ids[$key]);
 462                 }
 463
 464                 $stmt = DBA::select('group_member', ['contact-id'], ['gid' => $circle_ids]);
 465                 while ($circle_member = DBA::fetch($stmt)) {
 466                         $return[] = $circle_member['contact-id'];
 467                 }
 468                 DBA::close($stmt);
 469
 470                 if ($check_dead) {
 471                         $return = Contact::pruneUnavailable($return);
 472                 }
 473
 474                 if ($followers_collection) {
 475                         $return[] = -1;
 476                 }
 477
 478                 return $return;
 479         }
 480
 481         /**
 482          * Returns a templated circle selection list
 483          *
 484          * @param int    $uid User id
 485          * @param int    $gid   A pre-selected circle
 486          * @param string $id    The id of the option group
 487          * @param string $label The label of the option group
 488          * @return string
 489          * @throws \Exception
 490          */
 491         public static function getSelectorHTML(int $uid, int $gid, string $id, string $label): string
 492         {
 493                 $display_circles = [
 494                         [
 495                                 'name' => '',
 496                                 'id' => '0',
 497                                 'selected' => ''
 498                         ]
 499                 ];
 500
 501                 $stmt = DBA::select('group', [], ['deleted' => false, 'uid' => $uid, 'cid' => null], ['order' => ['name']]);
 502                 while ($circle = DBA::fetch($stmt)) {
 503                         $display_circles[] = [
 504                                 'name' => $circle['name'],
 505                                 'id' => $circle['id'],
 506                                 'selected' => $gid == $circle['id'] ? 'true' : ''
 507                         ];
 508                 }
 509                 DBA::close($stmt);
 510
 511                 Logger::info('Got circles', $display_circles);
 512
 513                 $o = Renderer::replaceMacros(Renderer::getMarkupTemplate('circle_selection.tpl'), [
 514                         '$id' => $id,
 515                         '$label' => $label,
 516                         '$circles' => $display_circles
 517                 ]);
 518                 return $o;
 519         }
 520
 521         /**
 522          * Create circle sidebar widget
 523          *
 524          * @param string $every
 525          * @param string $each
 526          * @param string $editmode
 527          *    'standard' => include link 'Edit circles'
 528          *    'extended' => include link 'Create new circle'
 529          *    'full' => include link 'Create new circle' and provide for each circle a link to edit this circle
 530          * @param string|int $circle_id Distinct circle id or 'everyone'
 531          * @param int    $cid Contact id
 532          * @return string Sidebar widget HTML code
 533          * @throws \Exception
 534          */
 535         public static function sidebarWidget(string $every = 'contact', string $each = 'circle', string $editmode = 'standard', $circle_id = '', int $cid = 0)
 536         {
 537                 if (!DI::userSession()->getLocalUserId()) {
 538                         return '';
 539                 }
 540
 541                 $display_circles = [
 542                         [
 543                                 'text' => DI::l10n()->t('Everybody'),
 544                                 'id' => 0,
 545                                 'selected' => (($circle_id === 'everyone') ? 'circle-selected' : ''),
 546                                 'href' => $every,
 547                         ]
 548                 ];
 549
 550                 $member_of = [];
 551                 if ($cid) {
 552                         $member_of = self::getIdsByContactId($cid);
 553                 }
 554
 555                 $stmt = DBA::select('group', [], ['deleted' => false, 'uid' => DI::userSession()->getLocalUserId(), 'cid' => null], ['order' => ['name']]);
 556                 while ($circle = DBA::fetch($stmt)) {
 557                         $selected = (($circle_id == $circle['id']) ? ' circle-selected' : '');
 558
 559                         if ($editmode == 'full') {
 560                                 $circleedit = [
 561                                         'href' => 'circle/' . $circle['id'],
 562                                         'title' => DI::l10n()->t('edit'),
 563                                 ];
 564                         } else {
 565                                 $circleedit = null;
 566                         }
 567
 568                         if ($each == 'circle') {
 569                                 $networks = Widget::unavailableNetworks();
 570                                 $sql_values = array_merge([$circle['id']], $networks);
 571                                 $condition = ["`circle-id` = ? AND NOT `contact-network` IN (" . substr(str_repeat("?, ", count($networks)), 0, -2) . ")"];
 572                                 $condition = array_merge($condition, $sql_values);
 573
 574                                 $count = DBA::count('circle-member-view', $condition);
 575                                 $circle_name = sprintf('%s (%d)', $circle['name'], $count);
 576                         } else {
 577                                 $circle_name = $circle['name'];
 578                         }
 579
 580                         $display_circles[] = [
 581                                 'id'   => $circle['id'],
 582                                 'cid'  => $cid,
 583                                 'text' => $circle_name,
 584                                 'href' => $each . '/' . $circle['id'],
 585                                 'edit' => $circleedit,
 586                                 'selected' => $selected,
 587                                 'ismember' => in_array($circle['id'], $member_of),
 588                         ];
 589                 }
 590                 DBA::close($stmt);
 591
 592                 // Don't show the circles on the network page when there is only one
 593                 if ((count($display_circles) <= 2) && ($each == 'network')) {
 594                         return '';
 595                 }
 596
 597                 $tpl = Renderer::getMarkupTemplate('circle_side.tpl');
 598                 $o = Renderer::replaceMacros($tpl, [
 599                         '$add' => DI::l10n()->t('add'),
 600                         '$title' => DI::l10n()->t('Circles'),
 601                         '$circles' => $display_circles,
 602                         '$new_circle' => $editmode == 'extended' || $editmode == 'full' ? 1 : '',
 603                         '$circle_page' => 'circle/',
 604                         '$edittext' => DI::l10n()->t('Edit circle'),
 605                         '$uncircled' => $every === 'contact' ? DI::l10n()->t('Contacts not in any circle') : '',
 606                         '$uncircled_selected' => (($circle_id === 'none') ? 'circle-selected' : ''),
 607                         '$createtext' => DI::l10n()->t('Create a new circle'),
 608                         '$create_circle' => DI::l10n()->t('Circle Name: '),
 609                         '$edit_circles_text' => DI::l10n()->t('Edit circles'),
 610                         '$form_security_token' => BaseModule::getFormSecurityToken('circle_edit'),
 611                 ]);
 612
 613                 return $o;
 614         }
 615
 616         /**
 617          * Fetch the circle id for the given contact id
 618          *
 619          * @param integer $id Contact ID
 620          * @return integer Circle ID
 621          */
 622         public static function getIdForGroup(int $id): int
 623         {
 624                 Logger::info('Get id for group id', ['id' => $id]);
 625                 $contact = Contact::getById($id, ['uid', 'name', 'contact-type', 'manually-approve']);
 626                 if (empty($contact) || ($contact['contact-type'] != Contact::TYPE_COMMUNITY) || !$contact['manually-approve']) {
 627                         return 0;
 628                 }
 629
 630                 $circle = DBA::selectFirst('group', ['id'], ['uid' => $contact['uid'], 'cid' => $id]);
 631                 if (empty($circle)) {
 632                         $fields = [
 633                                 'uid'  => $contact['uid'],
 634                                 'name' => $contact['name'],
 635                                 'cid'  => $id,
 636                         ];
 637                         DBA::insert('group', $fields);
 638                         $gid = DBA::lastInsertId();
 639                 } else {
 640                         $gid = $circle['id'];
 641                 }
 642
 643                 return $gid;
 644         }
 645
 646         /**
 647          * Fetch the followers of a given contact id and store them as circle members
 648          *
 649          * @param integer $id Contact ID
 650          * @return void
 651          */
 652         public static function updateMembersForGroup(int $id)
 653         {
 654                 Logger::info('Update group members', ['id' => $id]);
 655
 656                 $contact = Contact::getById($id, ['uid', 'url']);
 657                 if (empty($contact)) {
 658                         return;
 659                 }
 660
 661                 $apcontact = APContact::getByURL($contact['url']);
 662                 if (empty($apcontact['followers'])) {
 663                         return;
 664                 }
 665
 666                 $gid = self::getIdForGroup($id);
 667                 if (empty($gid)) {
 668                         return;
 669                 }
 670
 671                 $circle_members = DBA::selectToArray('group_member', ['contact-id'], ['gid' => $gid]);
 672                 if (!empty($circle_members)) {
 673                         $current = array_unique(array_column($circle_members, 'contact-id'));
 674                 } else {
 675                         $current = [];
 676                 }
 677
 678                 foreach (ActivityPub::fetchItems($apcontact['followers'], $contact['uid']) as $follower) {
 679                         $id = Contact::getIdForURL($follower);
 680                         if (!in_array($id, $current)) {
 681                                 DBA::insert('group_member', ['gid' => $gid, 'contact-id' => $id]);
 682                         } else {
 683                                 $key = array_search($id, $current);
 684                                 unset($current[$key]);
 685                         }
 686                 }
 687
 688                 DBA::delete('group_member', ['gid' => $gid, 'contact-id' => $current]);
 689                 Logger::info('Updated group members', ['id' => $id, 'count' => DBA::count('group_member', ['gid' => $gid])]);
 690         }
 691 }