<?php
/*

 Copyright (c) 2001 - 2006 Ampache.org
 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.

*/


/**
 * get_song_files
 * tmakes array of song ids and returns
 *	array of path to actual files
 * @param $song_ids        an array of song ids whose filenames you need
 */
function get_song_files( $song_ids ) {
        global $user;
        $song_files = array();
        foreach( $song_ids as $song_id ) {
                $song = new Song( $song_id );
		/* Don't archive disabled songs */
		if ($song->status != 'disabled') { 
	                $total_size += sprintf("%.2f",($song->size/1048576));
	                array_push( $song_files, $song->file );
		} // if song isn't disabled
        }
        return array($song_files,$total_size);
} //get_song_files


/**
 * send_zip
 * takes array of full paths to songs
 * zips them and sends them
 * @param $name	name of the zip file to be created
 * @param $song_files      array of full paths to songs to zip create w/ call to get_song_files
 */
function send_zip( $name, $song_files ) {

	/* Require needed library */
        require_once Config::get('prefix') . '/modules/archive/archive.lib.php';
        $arc = new zip_file( $name . ".zip" );
        $options = array(
                'inmemory'      => 1,   // create archive in memory
                'storepaths'    => 0,   // only store file name, not full path
                'level'         => 0    // no compression
        );
	
        $arc->set_options( $options );
        $arc->add_files( $song_files );
	if (count($arc->error)) { 
		debug_event('archive',"Error: unable to add songs",'3');
	} // if failed to add songs
	
        if (!$arc->create_archive()) { 
		debug_event('archive',"Error: unable to create archive",'3');
	} // if failed to create archive
	
        $arc->download_file();

} // send_zip
?>