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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\ConfigFactory; |
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use Gacela\Framework\Exception\ConfigException; |
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final class Config |
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{ |
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public const DEFAULT_CONFIG_VALUE = 'Gacela\Framework\Config::DEFAULT_CONFIG_VALUE'; |
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private static ?self $instance = null; |
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private ?string $appRootDir = null; |
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/** @var array<string,mixed> */ |
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private array $config = []; |
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/** @var array<string,mixed> */ |
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private array $globalServices = []; |
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private ?ConfigFactory $configFactory = null; |
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private function __construct() |
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{ |
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} |
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public static function getInstance(): self |
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{ |
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if (self::$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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/** |
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* @internal for testing purposes |
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*/ |
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public static function resetInstance(): void |
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{ |
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self::$instance = null; |
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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, $default = self::DEFAULT_CONFIG_VALUE) |
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{ |
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if (empty($this->config)) { |
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$this->init(); |
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} |
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if ($default !== self::DEFAULT_CONFIG_VALUE && !$this->hasValue($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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* Force loading all config values in memory. |
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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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$this->configFactory = null; |
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$this->config = $this->loadAllConfigValues(); |
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} |
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public function setAppRootDir(string $dir): self |
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{ |
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$this->appRootDir = $dir; |
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if (empty($this->appRootDir)) { |
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$this->appRootDir = getcwd() ?: ''; // @codeCoverageIgnore |
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} |
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return $this; |
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} |
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public function getAppRootDir(): string |
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{ |
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return $this->appRootDir ?? getcwd() ?: ''; |
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} |
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/** |
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* @param array<string,mixed> $globalServices |
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*/ |
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public function setGlobalServices(array $globalServices): self |
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{ |
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$this->globalServices = $globalServices; |
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return $this; |
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} |
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/** |
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* @internal |
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*/ |
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public function getFactory(): ConfigFactory |
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{ |
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if (null === $this->configFactory) { |
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$this->configFactory = new ConfigFactory( |
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$this->getAppRootDir(), |
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$this->globalServices |
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); |
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} |
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return $this->configFactory; |
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} |
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10 |
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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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* @return array<string,mixed> |
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*/ |
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24 |
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private function loadAllConfigValues(): array |
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{ |
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return $this->getFactory() |
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24 |
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->createConfigLoader() |
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->loadAll(); |
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} |
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} |
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gacela-project /
gacela
