<?php
/*

 Copyright (c) 2004 batch.php by RosenSama
 All rights reserved.

 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
 as published by the Free Software Foundation; either version 2
 of the License, or (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/
/**
 *	
 *	creates and sends a zip of an album or playlist
 *	zip is just a container w/ no compression
 *
 *	uses  archive.php from
 *	http://phpclasses.mirrors.nyphp.org/browse/file/3191.html
 *	can modify to allow user to select tar, gzip, or bzip2
 *
 *	I believe archive.php requires zlib support to be eanbled
 *	in your PHP build.
 */

	require_once('modules/init.php');
	//test that batch download is permitted (user or system?)

	/* Drop the normal Time limit constraints, this can take a while */
	set_time_limit(0);

	if(batch_ok()) {
		switch( scrub_in( $_REQUEST['action'] ) ) {
			case 'download_selected':
				$type = scrub_in($_REQUEST['type']);
				if ($type == 'album') { 
					$song_ids = get_songs_from_type($type,$_POST['song'],$_REQUEST['artist_id']);
				}
				else { 
					$song_ids = $_POST['song'];
				}
				$name = "selected-" . date("m-d-Y",time());
				$song_files = get_song_files($song_ids);
				set_memory_limit($song_files[1]+32);
				send_zip($name,$song_files[0]);
				break;
			case "pl":
				$id = scrub_in( $_REQUEST['id'] );
				$pl = new Playlist( $id );
				$name = $pl->name;
				$song_ids = $pl->get_songs();
				$song_files = get_song_files( $song_ids );
				set_memory_limit( $song_files[1]+32 );
				send_zip( $name, $song_files[0] );
				break;
			case "alb":
				$id = scrub_in( $_REQUEST['id'] );
				$alb = new Album( $id );
				$name = $alb->name;
				$song_ids = $alb->get_song_ids();
				$song_files = get_song_files( $song_ids );
				set_memory_limit( $song_files[1]+32 );
				send_zip( $name, $song_files[0] );
				break;
			default:
				header( "Location:" . conf('web_path') . "/index.php?amp_error=Unknown action on batch.php: {$_REQUEST['action']}" );
				break;
		} // action switch		
	} else { // bulk download permissions
		header( "Location: " . conf('web_path') . "/index.php?amp_error=Download disabled" );
	} // no bulk download permissions

?>