<?
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.Format,
	t.Encoding,
	IF(t.RemasterYear=0,tg.Year,t.RemasterYear) AS 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];
			$Download['Artist'] = Artists::display_artists($Artists[$Download['GroupID']], false, true, false);
			$Collector->fail_file($Download);
		}
		continue;
	}
	while (list($TorrentID, $TorrentFile) = $DB->next_record(MYSQLI_NUM, false)) {
		$Download =& $Downloads[$TorrentID];
		$Download['Artist'] = Artists::display_artists($Artists[$Download['GroupID']], false, true, false);
		$Collector->add_file($TorrentFile, $Download, $Download['Month']);
		unset($Download);
	}
}
$Collector->finalize(false);

define('IE_WORKAROUND_NO_CACHE_HEADERS', 1);