<?php
/* vim:set tabstop=8 softtabstop=8 shiftwidth=8 noexpandtab: */
/**
 * Batch Library
 *
 * PHP version 5
 *
 * LICENSE: GNU General Public License, version 2 (GPLv2)
 * Copyright (c) 2001 - 2011 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 v2
 * as published by the Free Software Foundation.
 *
 * 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.
 *
 * @category	Batch
 * @package	Library
 * @author	Karl Vollmer <vollmer@ampache.org>
 * @copyright	2001 - 2011 Ampache.org
 * @license	http://opensource.org/licenses/gpl-2.0 GPLv2
 * @version	PHP 5.2
 * @link	http://www.ampache.org/
 * @since	File available since Release 1.0
 */

/**
 * get_song_files
 *
 * Takes an array of song ids and returns an array of the actual filenames
 *
 * @param	array	$media_ids	Media IDs.
 */
function get_song_files($media_ids) {

	$media_files = array();

	foreach ($media_ids as $element) {
		if (is_array($element)) {
			$type = array_shift($element);
			$media = new $type(array_shift($element));
		}
		else {
			$media = new Song($element);
		}
		if ($media->enabled) {
	                $total_size += sprintf("%.2f",($media->size/1048576));
	                array_push($media_files, $media->file);
		}
        }

        return array($media_files,$total_size);
} //get_song_files

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

	// Check if they want to save it to a file, if so then make sure they've
	// got a defined path as well and that it's writable.
	if (Config::get('file_zip_download') && Config::get('file_zip_path')) {
		// Check writeable
		if (!is_writable(Config::get('file_zip_path'))) {
			$in_memory = '1';
			debug_event('Error','File Zip Path:' . Config::get('file_zip_path') . ' is not writable','1');
		}
		else {
			$in_memory = '0';
			$basedir = Config::get('file_zip_path');
		}

	} else {
		$in_memory = '1';
	} // if file downloads

	/* Require needed library */
        require_once Config::get('prefix') . '/modules/archive/archive.lib.php';
        $arc = new zip_file( $name . ".zip" );
        $options = array(
                'inmemory'      => $in_memory,   // create archive in memory
		'basedir'	=> $basedir,
                'storepaths'    => 0,   // only store file name, not full path
                'level'         => 0,    // no compression
		'comment'	=> Config::get('file_zip_comment')
        );

        $arc->set_options( $options );
        $arc->add_files( $song_files );

	if (count($arc->error)) {
		debug_event('archive',"Error: unable to add songs",'3');
		return false;
	} // if failed to add songs

        if (!$arc->create_archive()) {
		debug_event('archive',"Error: unable to create archive",'3');
		return false;
	} // if failed to create archive

        $arc->download_file();

} // send_zip
?>