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<?php |
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declare(strict_types=1); |
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namespace Gacela\Framework; |
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use Gacela\Framework\Config\ConfigInit; |
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use Gacela\Framework\Config\ConfigReader\EnvConfigReader; |
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use Gacela\Framework\Config\ConfigReader\PhpConfigReader; |
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use Gacela\Framework\Config\ConfigReaderInterface; |
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use Gacela\Framework\Config\GacelaJsonConfigFactory; |
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use Gacela\Framework\Config\GacelaJsonConfigFactoryInterface; |
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use Gacela\Framework\Config\PathFinder; |
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use Gacela\Framework\Config\PathFinderInterface; |
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use Gacela\Framework\Exception\ConfigException; |
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final class Config |
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{ |
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private const GACELA_CONFIG_FILENAME = 'gacela.json'; |
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private static string $applicationRootDir = ''; |
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private static ?self $instance = null; |
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private array $config = []; |
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public static function getInstance(): self |
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{ |
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if (self::$instance === null) { |
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self::$instance = new self(); |
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} |
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return self::$instance; |
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} |
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public static function setApplicationRootDir(string $dir): void |
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{ |
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self::$applicationRootDir = $dir; |
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} |
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public static function getApplicationRootDir(): string |
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{ |
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if (empty(self::$applicationRootDir)) { |
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self::$applicationRootDir = getcwd() ?: ''; |
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} |
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return self::$applicationRootDir; |
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} |
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/** |
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* @param null|mixed $default |
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* |
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* @throws ConfigException |
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* |
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* @return mixed |
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*/ |
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public function get(string $key, $default = null) |
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{ |
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if (empty($this->config)) { |
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$this->init(); |
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} |
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if ($default !== null && !$this->hasValue($key)) { |
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return $default; |
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} |
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if (!$this->hasValue($key)) { |
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throw ConfigException::keyNotFound($key, self::class); |
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} |
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return $this->config[$key]; |
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} |
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/** |
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* @throws ConfigException |
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*/ |
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public function init(): void |
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{ |
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$this->config = (new ConfigInit( |
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self::getApplicationRootDir(), |
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$this->createGacelaJsonConfigCreator(), |
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$this->createPathFinder(), |
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$this->createConfigReaders() |
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))->readAll(); |
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} |
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private function createGacelaJsonConfigCreator(): GacelaJsonConfigFactoryInterface |
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{ |
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return new GacelaJsonConfigFactory( |
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self::$applicationRootDir, |
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self::GACELA_CONFIG_FILENAME |
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); |
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} |
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private function createPathFinder(): PathFinderInterface |
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{ |
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return new PathFinder(); |
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} |
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/** |
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* @return array<string, ConfigReaderInterface> |
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*/ |
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private function createConfigReaders(): array |
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{ |
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return [ |
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'php' => new PhpConfigReader(), |
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'env' => new EnvConfigReader(), |
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]; |
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} |
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private function hasValue(string $key): bool |
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{ |
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return isset($this->config[$key]); |
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} |
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} |
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gacela-project /
gacela
