alltube/classes/Config.php
Pierre Rudloff ed533da6d4 New environment variable: AUDIO_BITRATE
Refactor environment variables code
2018-01-06 18:07:24 +01:00

172 lines
3.7 KiB
PHP

<?php
/**
* Config class.
*/
namespace Alltube;
use Symfony\Component\Yaml\Yaml;
/**
* Manage config parameters.
*/
class Config
{
/**
* Singleton instance.
*
* @var Config
*/
private static $instance;
/**
* youtube-dl binary path.
*
* @var string
*/
public $youtubedl = 'vendor/rg3/youtube-dl/youtube_dl/__main__.py';
/**
* python binary path.
*
* @var string
*/
public $python = '/usr/bin/python';
/**
* youtube-dl parameters.
*
* @var array
*/
public $params = ['--no-warnings', '--ignore-errors', '--flat-playlist', '--restrict-filenames'];
/**
* Enable audio conversion.
*
* @var bool
*/
public $convert = false;
/**
* avconv or ffmpeg binary path.
*
* @var string
*/
public $avconv = 'vendor/bin/ffmpeg';
/**
* Disable URL rewriting.
*
* @var bool
*/
public $uglyUrls = false;
/**
* Stream downloaded files trough server?
*
* @var bool
*/
public $stream = false;
/**
* Allow to remux video + audio?
*
* @var bool
*/
public $remux = false;
/**
* MP3 bitrate when converting (in kbit/s).
*
* @var int
*/
public $audioBitrate = 128;
/**
* avconv/ffmpeg logging level.
* Must be one of these: quiet, panic, fatal, error, warning, info, verbose, debug.
*
* @var string
*/
public $avconvVerbosity = 'error';
/**
* YAML config file path.
*
* @var string
*/
private $file;
/**
* Config constructor.
*
* @param array $options Options (see `config/config.example.yml` for available options)
*/
public function __construct(array $options)
{
if (isset($options) && is_array($options)) {
foreach ($options as $option => $value) {
if (isset($this->$option) && isset($value)) {
$this->$option = $value;
}
}
}
$this->getEnv();
}
/**
* Override options from environement variables.
* Supported environment variables: CONVERT, PYTHON, AUDIO_BITRATE.
*
* @return void
*/
private function getEnv()
{
foreach (['CONVERT', 'PYTHON', 'AUDIO_BITRATE'] as $var) {
$env = getenv($var);
if ($env) {
$prop = lcfirst(str_replace('_', '', ucwords(strtolower($var), '_')));
$this->$prop = $env;
}
}
}
/**
* Get Config singleton instance from YAML config file.
*
* @param string $yamlfile YAML config file name
*
* @return Config
*/
public static function getInstance($yamlfile = 'config/config.yml')
{
$yamlPath = __DIR__.'/../'.$yamlfile;
if (is_null(self::$instance) || self::$instance->file != $yamlfile) {
if (is_file($yamlfile)) {
$options = Yaml::parse(file_get_contents($yamlPath));
} elseif ($yamlfile == 'config/config.yml' || empty($yamlfile)) {
/*
Allow for the default file to be missing in order to
not surprise users that did not create a config file
*/
$options = [];
} else {
throw new \Exception("Can't find config file at ".$yamlPath);
}
self::$instance = new self($options);
self::$instance->file = $yamlfile;
}
return self::$instance;
}
/**
* Destroy singleton instance.
*
* @return void
*/
public static function destroyInstance()
{
self::$instance = null;
}
}