Pony.fm/app/PlaylistDownloader.php
2021-02-14 02:34:58 +00:00

104 lines
3.5 KiB
PHP

<?php
/**
* Pony.fm - A community for pony fan music.
* Copyright (C) 2015 Feld0
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
namespace App;
use App\Models\Playlist;
use App\Models\Track;
use App\Models\User;
use ZipStream;
class PlaylistDownloader
{
/**
* @var Playlist
*/
private $_playlist;
/**
* @var string
*/
private $_format;
public function __construct($playlist, $format)
{
$this->_playlist = $playlist;
$this->_format = $format;
}
public function download(User $user)
{
// Check whether the format is lossless yet not all master files are lossless
$isLosslessFormatWithLossyTracks = in_array($this->_format, Track::$LosslessFormats)
&& !$this->_playlist->hasLosslessTracksOnly()
&& $this->_playlist->hasLosslessTracks();
$zip = new ZipStream($this->_playlist->user->display_name.' - '.$this->_playlist->title.'.zip');
$zip->setComment(
'Playlist: '.$this->_playlist->title."\r\n".
'Curator: '.$this->_playlist->user->display_name."\r\n".
'URL: '.$this->_playlist->url."\r\n"."\r\n".
'Downloaded on '.date('l, F jS, Y, \a\t h:i:s A').'.'
);
$notes =
'Playlist: '.$this->_playlist->title."\r\n".
'Curator: '.$this->_playlist->user->display_name."\r\n".
'URL: '.$this->_playlist->url."\r\n".
"\r\n".
$this->_playlist->description."\r\n".
"\r\n".
"\r\n".
'Tracks'."\r\n".
"\r\n";
$m3u = '';
$index = 1;
foreach ($this->_playlist->tracks as $track) {
if (!$track->is_downloadable && !$user->hasRole('admin')) {
continue;
}
if ($isLosslessFormatWithLossyTracks && $track->isMasterLossy()) {
$masterFormatName = $track->getMasterFormatName();
$trackTarget = $track->downloadDirectory . '/' . $track->getDownloadFilenameFor($masterFormatName);
$zip->addLargeFile($track->getFileFor($masterFormatName), $trackTarget);
} else {
$trackTarget = $track->downloadDirectory . '/' . $track->getDownloadFilenameFor($this->_format);
$zip->addLargeFile($track->getFileFor($this->_format), $trackTarget);
}
$notes .=
$index.'. '.$track->title."\r\n".
$track->description."\r\n".
"\r\n";
$m3u .= '#EXTINF:'.$track->duration.','.$track->title."\r\n";
$m3u .= '../'.$trackTarget."\r\n";
$index++;
}
$playlistDir = 'Pony.fm Playlists/';
$zip->addFile($notes, $playlistDir.$this->_playlist->title.'.txt');
$zip->addFile($m3u, $playlistDir.$this->_playlist->title.'.m3u');
$zip->finalize();
}
}