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<?php |
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namespace JobQueue\Infrastructure; |
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use Psr\Container\ContainerInterface; |
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use Symfony\Component\Config\FileLocator; |
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use Symfony\Component\DependencyInjection\ContainerBuilder; |
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use Symfony\Component\DependencyInjection\Dumper\PhpDumper; |
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use Symfony\Component\DependencyInjection\Loader\YamlFileLoader; |
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/** |
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* This class may be used to make extra services available to jobs from workers. |
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* |
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* The following services have to be set in /config/services_{env}.yml : |
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* |
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* @property \Symfony\Component\EventDispatcher\EventDispatcher $dispatcher |
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* @property \Psr\Log\LoggerInterface $logger |
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* @property \JobQueue\Domain\Task\Queue $queue |
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*/ |
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class ServiceContainer |
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{ |
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/** |
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* |
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* @var static |
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*/ |
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protected static $instance; |
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/** |
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* |
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* @var ContainerInterface |
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*/ |
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protected $services; |
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/** |
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* |
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* @param ContainerInterface $services |
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*/ |
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public function __construct(ContainerInterface $services) |
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{ |
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$this->services = $services; |
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} |
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/** |
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* |
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* @return static |
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*/ |
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public static function getInstance() |
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{ |
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if (self::$instance) { |
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return self::$instance; |
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} |
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$services = self::getServices(); |
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return self::$instance = new static($services); |
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} |
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/** |
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* |
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* @return ContainerInterface |
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*/ |
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protected static function getServices(): ContainerInterface |
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{ |
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$cache = self::getConfigurationCachePath(); |
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if (Environment::isProd() and is_readable($cache)) { |
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// Retrieve services from the cache, if exists... |
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require_once $cache; |
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$services = new \ProjectServiceContainer; |
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} else { |
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// ... otherwise compile & cache the configuration |
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$services = new ContainerBuilder; |
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$loader = new YamlFileLoader($services, new FileLocator); |
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$loader->load(self::getConfigurationFilePath()); |
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// Compile and cache production config |
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if (Environment::isProd()) { |
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$services->compile(true); |
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if (!is_dir($cacheDir = dirname($cache))) { |
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mkdir($cacheDir, 0777, true); |
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} |
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file_put_contents($cache, (new PhpDumper($services))->dump()); |
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} |
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} |
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return $services; |
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} |
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/** |
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* |
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* @return string |
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*/ |
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protected static function getConfigurationFilePath(): string |
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{ |
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// Get path from environment variables |
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if ($path = (string) getenv('JOBQUEUE_CONFIG_PATH')) { |
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return $path; |
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} |
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// Get dir path depending on how component is used |
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if (class_exists('\Composer\Autoload\ClassLoader')) { |
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// Find config dir using composer ClassLoader class |
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$reflection = new \ReflectionClass(\Composer\Autoload\ClassLoader::class); |
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$root = dirname(dirname(dirname($reflection->getFileName()))); |
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} else { |
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// If composer has not been user, try to guess the root path |
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$root = dirname(dirname(__DIR__)); |
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} |
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return sprintf('%s/config/services_%s.yml', $root, Environment::getName()); |
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} |
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/** |
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* |
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* @return string |
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*/ |
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protected static function getConfigurationCachePath(): string |
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{ |
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// Get dir path from environment variables |
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if (!$dir = (string) getenv('JOBQUEUE_CACHE_PATH')) { |
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$dir = sys_get_temp_dir(); |
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} |
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return sprintf('%s/jobqueue_services.php', $dir); |
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} |
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/** |
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* |
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* @param $service |
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* @return bool |
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*/ |
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public function __isset($service) |
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{ |
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return $this->services->has($service); |
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} |
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/** |
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* |
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* @param $service |
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* @return mixed|object |
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*/ |
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public function __get($service) |
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{ |
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return $this->services->get($service); |
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} |
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} |
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bricev /
JobQueue
