Gazelle/sections/bookmarks/index.php

<?php
#declare(strict_types=1);

enforce_login();

// Number of users per page
define('BOOKMARKS_PER_PAGE', '20');

if (empty($_REQUEST['action'])) {
    $_REQUEST['action'] = 'view';
}

switch ($_REQUEST['action']) {
  case 'add':
    require SERVER_ROOT.'/sections/bookmarks/add.php';
    break;

  case 'remove':
    require SERVER_ROOT.'/sections/bookmarks/remove.php';
    break;

  case 'mass_edit':
    require SERVER_ROOT.'/sections/bookmarks/mass_edit.php';
    break;

  case 'remove_snatched':
    authorize();
    $DB->query("
      CREATE TEMPORARY TABLE snatched_groups_temp
        (GroupID int PRIMARY KEY)");

    $DB->query("
      INSERT INTO snatched_groups_temp
      SELECT DISTINCT GroupID
      FROM torrents AS t
        JOIN xbt_snatched AS s ON s.fid = t.ID
      WHERE s.uid = '$LoggedUser[ID]'");

    $DB->query("
      DELETE b
      FROM bookmarks_torrents AS b
        JOIN snatched_groups_temp AS s
      USING(GroupID)
      WHERE b.UserID = '$LoggedUser[ID]'");

    $Cache->delete_value("bookmarks_group_ids_$UserID");
    header('Location: bookmarks.php');
    error();
    break;

  case 'edit':
    if (empty($_REQUEST['type'])) {
        $_REQUEST['type'] = false;
    }

    switch ($_REQUEST['type']) {
      case 'torrents':
        require SERVER_ROOT.'/sections/bookmarks/edit_torrents.php';
        break;
        
      default:
        error(404);
    }
    break;

  case 'view':
    if (empty($_REQUEST['type'])) {
        $_REQUEST['type'] = 'torrents';
    }

    switch ($_REQUEST['type']) {
      case 'torrents':
        require SERVER_ROOT.'/sections/bookmarks/torrents.php';
        break;

      case 'artists':
        require SERVER_ROOT.'/sections/bookmarks/artists.php';
        break;

      case 'collages':
        $_GET['bookmarks'] = '1';
        require SERVER_ROOT.'/sections/collages/browse.php';
        break;

      case 'requests':
        $_GET['type'] = 'bookmarks';
        require SERVER_ROOT.'/sections/requests/requests.php';
        break;

      default:
        error(404);
    }
    break;

  default:
    error(404);
}