<?
if (!empty($_GET['userid']) && is_number($_GET['userid'])) {
  $UserID = $_GET['userid'];
} else {
  error(0);
}

if (!check_perms('zip_downloader')) {
  error(403);
}

$User = Users::user_info($UserID);
$Perms = Permissions::get_permissions($User['PermissionID']);
$UserClass = $Perms['Class'];
list($UserID, $Username) = array_values($User);

if (empty($_GET['type'])) {
  error(0);
} else {

  switch ($_GET['type']) {
    case 'uploads':
      if (!check_paranoia('uploads', $User['Paranoia'], $UserClass, $UserID)) {
        error(403);
      }
      $SQL = "WHERE t.UserID = '$UserID'";
      $Month = "t.Time";
      break;
    case 'snatches':
      if (!check_paranoia('snatched', $User['Paranoia'], $UserClass, $UserID)) {
        error(403);
      }
      $SQL = "
          JOIN xbt_snatched AS x ON t.ID = x.fid
        WHERE x.uid = '$UserID'";
      $Month = "FROM_UNIXTIME(x.tstamp)";
      break;
    case 'seeding':
      if (!check_paranoia('seeding', $User['Paranoia'], $UserClass, $UserID)) {
        error(403);
      }
      $SQL = "
          JOIN xbt_files_users AS xfu ON t.ID = xfu.fid
        WHERE xfu.uid = '$UserID'
          AND xfu.remaining = 0";
      $Month = "FROM_UNIXTIME(xfu.mtime)";
      break;
    default:
      error(0);
  }
}

$DownloadsQ = $DB->query("
  SELECT
    t.ID AS TorrentID,
    DATE_FORMAT($Month, '%Y - %m') AS Month,
    t.GroupID,
    t.Media,
    t.Container,
    t.Codec,
    t.Resolution,
    t.AudioFormat,
    t.Subbing,
    t.Language,
    t.Subber,
    tg.Year,
    tg.Name,
    t.Size
  FROM torrents AS t
    JOIN torrents_group AS tg ON t.GroupID = tg.ID
  $SQL
  GROUP BY TorrentID");

$Collector = new TorrentsDL($DownloadsQ, "$Username's ".ucfirst($_GET['type']));

while (list($Downloads, $GroupIDs) = $Collector->get_downloads('TorrentID')) {
  $Artists = Artists::get_artists($GroupIDs);
  $TorrentIDs = array_keys($GroupIDs);
  $TorrentFilesQ = $DB->query('
    SELECT TorrentID, File
    FROM torrents_files
    WHERE TorrentID IN ('.implode(',', $TorrentIDs).')', false);
  if (is_int($TorrentFilesQ)) {
    // Query failed. Let's not create a broken zip archive
    foreach ($TorrentIDs as $TorrentID) {
      $Download =& $Downloads[$TorrentID];
      $Download['Artist'] = str_replace('–','-',Artists::display_artists($Artists[$Download['GroupID']], false, true, false));
      $Collector->fail_file($Download);
    }
    continue;
  }
  while (list($TorrentID, $TorrentFile) = $DB->next_record(MYSQLI_NUM, false)) {
    $Download =& $Downloads[$TorrentID];
    // unzip(1) corrupts files if an emdash is present. Replace them.
    $Download['Artist'] = str_replace('–','-',Artists::display_artists($Artists[$Download['GroupID']], false, true, false));
    $Collector->add_file($TorrentFile, $Download, $Download['Month']);
    unset($Download);
  }
}
$Collector->finalize(false);

define('SKIP_NO_CACHE_HEADERS', 1);