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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                declare(strict_types=1);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace VM\ErrorHandler\Services;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Fig\Http\Message\StatusCodeInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Psr\Http\Message\ResponseInterface as Response;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use RuntimeException;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Throwable;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use VM\ErrorHandler\Exceptions\HttpException;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use VM\ErrorHandler\Interfaces\ErrorHandler;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class StaticFileHandler implements ErrorHandler  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $filePath;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $response;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $filesForCodes;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function __construct(string $filePath, Response $response, array $filesForCodes = [])  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->filePath = $filePath;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->response = $response;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->filesForCodes = $filesForCodes;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function handle(Throwable $error): Response  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->writeFile(StatusCodeInterface::STATUS_INTERNAL_SERVER_ERROR);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    public function handleHttpException(HttpException $httpException): Response  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        return $this->writeFile($httpException->getHttpStatusCode());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private function writeFile(int $statusCode): Response  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $filePath = $this->findFilePath($statusCode);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $contents = file_get_contents($filePath);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->response->getBody()->write($contents);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->response = $this->response->withHeader('Cache-Control', self::NO_CACHE_HEADER); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->response->withStatus($statusCode);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private function findFilePath(int $statusCode): string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $filePath = $this->filePath;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (!empty($this->filesForCodes[$statusCode])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $filePath = $this->filesForCodes[$statusCode];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->validateFilePath($filePath);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $filePath;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private function validateFilePath(string $filePath): void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (!file_exists($filePath)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            throw new RuntimeException("unable to load error file: '{$filePath}'"); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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