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<?php |
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/** |
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* @author Nurlan Mukhanov <[email protected]> |
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* @copyright 2022 Nurlan Mukhanov |
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* @license https://en.wikipedia.org/wiki/MIT_License MIT License |
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* @link https://github.com/Falseclock/service-layer |
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*/ |
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declare(strict_types=1); |
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namespace Falseclock\Service; |
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use Falseclock\Service\Validation\ValidatorError; |
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use Psr\Log\LoggerInterface; |
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abstract class Service |
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{ |
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/** @var ValidatorError[] */ |
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public $lastValidationErrors = []; |
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/** @var LoggerInterface */ |
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protected $logger; |
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/** @var ServiceResponse */ |
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protected $response; |
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/** @var ServiceError[] */ |
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protected $serviceErrors = []; |
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/** |
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* Service constructor. |
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* |
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* @param LoggerInterface|null $logger |
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*/ |
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public function __construct(?LoggerInterface $logger = null) |
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{ |
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$this->logger = $logger; |
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} |
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/** |
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* @return ServiceResponse |
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*/ |
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final public function invalidRequestResponse(): ServiceResponse |
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{ |
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$this->serviceErrors[] = new ServiceError("Request parameters are invalid", ServiceError::ERROR_INVALID_REQUEST); |
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return new ServiceResponse(null, $this->serviceErrors, $this->lastValidationErrors); |
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} |
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/** |
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* @param ServiceError $error |
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* @return $this |
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*/ |
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final protected function addError(ServiceError $error): self |
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{ |
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$this->serviceErrors[] = $error; |
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return $this; |
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} |
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/** |
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* Each service handler has to call request validation to be sure all supplied data is valid |
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* |
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* @param RequestImpl $request |
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* @return bool |
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*/ |
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final protected function validateRequest(Request $request): bool |
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{ |
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$this->lastValidationErrors = $request->validate(); |
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return count($this->lastValidationErrors) == 0; |
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} |
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/** |
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* Just return result to the caller |
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* |
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* @param mixed $result |
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* @param ServiceError ...$errors |
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* @return ServiceResponse |
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*/ |
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final protected function createResponse($result, ?ServiceError ...$errors): ServiceResponse |
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{ |
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return new ServiceResponse($result, array_merge($this->serviceErrors, $errors), $this->lastValidationErrors); |
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} |
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} |
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Falseclock /
service-layer
