<?php

/**
 * @package tikiwiki
 */

// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
//
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
// $Id$

require_once('tiki-setup.php');
$rsslib = TikiLib::lib('rss');

if ($prefs['feed_file_gallery'] != 'y') {
        $errmsg = tra("rss feed disabled");
        require_once('tiki-rss_error.php');
}

if (empty($_REQUEST['galleryId'])) {
    $errmsg = tra("No gallery ID specified");
    require_once('tiki-rss_error.php');
}
if (! is_array($_REQUEST['galleryId'])) {
    $_REQUEST['galleryId'] = [ $_REQUEST['galleryId']];
}
$galleryIds = [];
foreach ($_REQUEST['galleryId'] as $fgalId) {
    if ($tiki_p_admin_file_galleries == 'y' || $tikilib->user_has_perm_on_object($user, $fgalId, 'file gallery', 'tiki_p_view_file_gallery')) {
        $galleryIds[] = $fgalId;
    }
}
if (empty($galleryIds)) {
    $errmsg = tra("You do not have permission to view this section");
    require_once('tiki-rss_error.php');
}

$feed = 'filegal';
$uniqueid = "$feed.id=" . md5(implode('_', $galleryIds));
$output = $rsslib->get_from_cache($uniqueid);

if ($output["data"] == "EMPTY") {
    $filegallib = TikiLib::lib('filegal');

    if (count($galleryIds) == 1) {
        $tmp = $filegallib->get_file_gallery($galleryIds[0]);
        $title = $prefs['feed_file_gallery_title'];
        $title .= $tmp['name'];
        $desc = $prefs['feed_file_gallery_desc'];
        $desc .= $tmp['description'];
    } else {
        $title = (! empty($prefs['feed_file_galleries_title'])) ? $prefs['feed_file_galleries_title'] : tra("Tiki RSS feed for file galleries");
        $desc = (! empty($prefs['feed_file_galleries_desc'])) ? $prefs['feed_file_galleries_desc'] : tra("Latest files uploaded to the file galleries.");
    }
    $descId = "description";
    $dateId = "lastModif";
    $authorId = "user";
    $id = "fileId";
    $titleId = "filename";
    $readrepl = "tiki-download_file.php?$id=%s";
    if (($tmp["type"] == "podcast") || ($tmp["type"] == "vidcast")) {
        $titleId = "name";
        $readrepl = $prefs['fgal_podcast_dir'] . "%s";
        $id = "podcast_filename";
    } else {
        $id = "fileId";
        $titleId = "filename";
        $readrepl = "tiki-download_file.php?$id=%s";
    }

    $changes = $filegallib->get_files(0, $prefs['feed_file_gallery_max'], $dateId . '_desc', '', $galleryIds);
    $output = $rsslib->generate_feed($feed, $uniqueid, '', $changes, $readrepl, '', $id, $title, $titleId, $desc, $descId, $dateId, $authorId);
}
header("Content-type: " . $output["content-type"]);
print $output["data"];