alltube/classes/Config.php

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<?php
/**
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* Config class.
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*/
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namespace Alltube;
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use Symfony\Component\Yaml\Yaml;
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/**
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* Manage config parameters.
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*/
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class Config
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{
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/**
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* Singleton instance.
*
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* @var Config
*/
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private static $instance;
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/**
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* youtube-dl binary path.
*
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* @var string
*/
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public $youtubedl = 'vendor/rg3/youtube-dl/youtube_dl/__main__.py';
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/**
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* python binary path.
*
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* @var string
*/
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public $python = '/usr/bin/python';
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/**
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* youtube-dl parameters.
*
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* @var array
*/
public $params = ['--no-warnings', '--ignore-errors', '--flat-playlist', '--restrict-filenames'];
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/**
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* Enable audio conversion.
*
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* @var bool
*/
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public $convert = false;
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/**
* Enable advanced conversion mode.
*
* @var bool
*/
public $convertAdvanced = false;
/**
* List of formats available in advanced conversion mode.
*
* @var array
*/
public $convertAdvancedFormats = ['mp3', 'avi', 'flv', 'wav'];
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/**
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* avconv or ffmpeg binary path.
*
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* @var string
*/
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public $avconv = 'vendor/bin/ffmpeg';
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/**
* Disable URL rewriting.
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*
* @var bool
*/
public $uglyUrls = false;
/**
* Stream downloaded files trough server?
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*
* @var bool
*/
public $stream = false;
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/**
* Allow to remux video + audio?
*
* @var bool
*/
public $remux = false;
/**
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* MP3 bitrate when converting (in kbit/s).
*
* @var int
*/
public $audioBitrate = 128;
/**
* avconv/ffmpeg logging level.
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* Must be one of these: quiet, panic, fatal, error, warning, info, verbose, debug.
*
* @var string
*/
public $avconvVerbosity = 'error';
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/**
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* YAML config file path.
*
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* @var string
*/
private $file;
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/**
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* Config constructor.
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*
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* @param array $options Options (see `config/config.example.yml` for available options)
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*/
public function __construct(array $options)
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{
if (isset($options) && is_array($options)) {
foreach ($options as $option => $value) {
if (isset($this->$option) && isset($value)) {
$this->$option = $value;
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}
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}
}
$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;
}
}
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}
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/**
* Get Config singleton instance from YAML config file.
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*
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* @param string $yamlfile YAML config file name
*
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* @return Config
*/
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public static function getInstance($yamlfile = 'config/config.yml')
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{
$yamlPath = __DIR__.'/../'.$yamlfile;
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if (is_null(self::$instance) || self::$instance->file != $yamlfile) {
if (is_file($yamlfile)) {
$options = Yaml::parse(file_get_contents($yamlPath));
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} 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 = $yamlfile;
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}
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return self::$instance;
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}
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/**
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* Destroy singleton instance.
*
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* @return void
*/
public static function destroyInstance()
{
self::$instance = null;
}
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}