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<?php |
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namespace SMartins\JsonHandler; |
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use Exception; |
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use SMartins\JsonHandler\Responses\JsonApiResponse; |
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trait JsonHandler |
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{ |
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use ValidationHandler, |
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ModelNotFoundHandler, |
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AuthorizationHandler, |
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NotFoundHttpHandler, |
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AuthenticationHandler, |
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OAuthServerHandler, |
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MissingScopeHandler, |
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BadRequestHttpHandler, |
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ClientHandler, |
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CieloRequestHandler; |
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/** |
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* Config file name. |
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* @var string |
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*/ |
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public $configFile = 'json-exception-handler'; |
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/** |
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* JsonApiResponse instance used on another traits to set response. |
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* @var SMartins\JsonHandler\Responses\JsonApiResponse; |
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*/ |
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public $jsonApiResponse; |
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/** |
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* Receive exception instance to be used on methods. |
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* @var Exception |
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*/ |
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private $exception; |
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/** |
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* Set the default response on $response attribute. Get default value from |
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* methods. |
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*/ |
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public function setDefaultResponse() |
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{ |
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$error = [[ |
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'status' => $this->getStatusCode(), |
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'code' => $this->getCode(), |
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'source' => ['pointer' => $this->getDescription()], |
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'title' => strtolower(class_basename($this->exception)), |
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'detail' => $this->getMessage(), |
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]]; |
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$this->jsonApiResponse->setStatus($this->getStatusCode()); |
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$this->jsonApiResponse->setErrors($error); |
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} |
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/** |
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* Get default message from exception. |
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* |
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* @return string Exception message |
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*/ |
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public function getMessage() |
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{ |
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return $this->exception->getMessage(); |
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} |
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/** |
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* Mount the description with exception class, line and file. |
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* |
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* @return string |
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*/ |
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public function getDescription() |
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{ |
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return class_basename($this->exception). |
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' line '.$this->exception->getLine(). |
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' in '.$this->exception->getFile(); |
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} |
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/** |
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* Get default http code. Check if exception has getStatusCode() methods. |
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* If not get from config file. |
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* |
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* @return int |
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*/ |
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public function getStatusCode() |
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{ |
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if (method_exists($this->exception, 'getStatusCode')) { |
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$httpCode = $this->exception->getStatusCode(); |
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} else { |
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$httpCode = config($this->configFile.'.http_code'); |
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} |
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return $httpCode; |
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} |
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/** |
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* Get error code. If code is empty from config file based on type. |
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* |
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* @param string $type Code type from config file |
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* @return int |
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*/ |
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public function getCode($type = 'default') |
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{ |
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$code = $this->exception->getCode(); |
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if (empty($this->exception->getCode())) { |
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$code = config($this->configFile.'.codes.'.$type); |
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} |
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return $code; |
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} |
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/** |
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* Handle the json response. Check if exception is treated. If true call |
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* the specific handler. If false set the default response to be returned. |
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* |
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* @param Exception $exception |
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* @return JsonResponse |
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*/ |
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public function jsonResponse(Exception $exception) |
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{ |
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$this->exception = $exception; |
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$this->jsonApiResponse = new JsonApiResponse; |
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if ($this->exceptionIsTreated()) { |
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$this->callExceptionHandler(); |
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} else { |
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$this->setDefaultResponse(); |
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} |
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return response()->json( |
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$this->jsonApiResponse->toArray(), |
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$this->jsonApiResponse->getStatus() |
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); |
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} |
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/** |
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* Check if method to treat exception exists. |
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* |
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* @param Exception $exception The exception to be checked |
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* @return bool If method is callable |
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*/ |
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public function exceptionIsTreated() |
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{ |
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return is_callable([$this, $this->methodName()]); |
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} |
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/** |
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* Call the exception handler after of to check if the method exists. |
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* |
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* @param Exception $exception |
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* @return void Call the method |
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*/ |
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public function callExceptionHandler() |
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{ |
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$this->{$this->methodName()}($this->exception); |
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} |
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/** |
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* The method name is the exception name with first letter in lower case. |
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* |
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* @param Exception $exception |
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* @return string The method name |
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*/ |
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public function methodName() |
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{ |
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return lcfirst(class_basename($this->exception)); |
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} |
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} |
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