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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\RequestModel; |
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use Psr\Http\Message\ServerRequestInterface; |
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use ReflectionClass; |
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use ReflectionException; |
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use ReflectionParameter; |
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use Yiisoft\Injector\Injector; |
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use Yiisoft\Validator\Result; |
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use Yiisoft\Validator\ResultSet; |
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use Yiisoft\Validator\Validator; |
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use Generator; |
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final class RequestModelFactory |
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{ |
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private Injector $injector; |
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public function __construct(Injector $injector) |
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{ |
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$this->injector = $injector; |
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} |
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/** |
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* @param ServerRequestInterface $request |
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* @param array|ReflectionParameter[] $handlerParams |
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* |
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* @return array |
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* @throws ReflectionException |
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* |
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*/ |
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public function createInstances(ServerRequestInterface $request, array $handlerParams): array |
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{ |
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$requestModelInstances = []; |
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foreach ($this->getModelRequestClasses($handlerParams) as $modelClass) { |
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$requestModelInstances[] = $this->processModel($request, $this->injector->make($modelClass)); |
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} |
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return $requestModelInstances; |
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} |
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private function processModel(ServerRequestInterface $request, RequestModelInterface $model): RequestModelInterface |
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{ |
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$requestData = $this->getRequestData($request); |
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$model->setRequestData($requestData); |
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if ($model instanceof ValidatableModelInterface) { |
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$result = $this->createValidator($model)->validate($model); |
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$errors = $this->getErrorsFromValidationResult($result); |
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if ($errors->valid()) { |
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throw new RequestValidationException($errors); |
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} |
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} |
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return $model; |
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} |
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/** |
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* @param array|ReflectionParameter[] $handlerParams |
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* |
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* @return array |
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*/ |
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private function getModelRequestClasses(array $handlerParams): array |
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{ |
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$modelClasses = []; |
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foreach ($handlerParams as $param) { |
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if ($this->paramsIsRequestModel($param)) { |
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$modelClasses[] = $param->getType()->getName(); |
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} |
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} |
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return $modelClasses; |
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} |
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private function paramsIsRequestModel(ReflectionParameter $param): bool |
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{ |
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if (!$param->hasType() || $param->getType()->isBuiltin()) { |
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return false; |
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} |
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return (new ReflectionClass($param->getType()->getName()))->implementsInterface(RequestModelInterface::class); |
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} |
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private function getRequestData(ServerRequestInterface $request): array |
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{ |
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return [ |
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'query' => $request->getQueryParams(), |
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'body' => $request->getParsedBody(), |
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'attributes' => $request->getAttributes(), |
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'headers' => $request->getHeaders(), |
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'files' => $request->getUploadedFiles(), |
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'cookie' => $request->getCookieParams(), |
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]; |
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} |
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private function createValidator(ValidatableModelInterface $model): Validator |
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{ |
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return new Validator($model->getRules()); |
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} |
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private function getErrorsFromValidationResult(ResultSet $result): Generator |
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{ |
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foreach ($result->getIterator() as $field => $fieldResult) { |
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if (!$fieldResult->isValid()) { |
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yield $field => $fieldResult->getErrors(); |
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} |
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} |
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1 |
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} |
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} |
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yiisoft /
request-model
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