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<?php |
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namespace Amelia\Monzo\Exceptions; |
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use RuntimeException; |
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use Psr\Http\Message\ResponseInterface; |
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use function Amelia\Monzo\json_decode_response; |
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class MonzoException extends RuntimeException |
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{ |
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/** |
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* The JSON body of this exception, if any. |
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* |
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* @var array|null |
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*/ |
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public $body; |
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/** |
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* The response given, if any. |
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* |
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* @var \Psr\Http\Message\ResponseInterface|null |
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*/ |
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public $response; |
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/** |
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* An array of error codes mapped to exception types. |
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* |
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* @var array |
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*/ |
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protected static $errors = [ |
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'unauthorized' => AuthenticationException::class, |
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'unauthorized.bad_access_token' => InvalidTokenException::class, |
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'forbidden*' => AccessDeniedException::class, |
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'bad_request*' => InvalidRequestException::class, |
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]; |
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/** |
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* An array of status codes mapped to exception types. |
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* |
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* @var array |
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*/ |
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protected static $codes = [ |
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400 => InvalidRequestException::class, |
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401 => InvalidTokenException::class, |
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403 => AccessDeniedException::class, |
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404 => NotFoundException::class, |
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405 => MethodNotAllowedException::class, |
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429 => RateLimitException::class, |
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500 => self::class, |
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504 => GatewayTimeoutException::class, |
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]; |
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/** |
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* The HTTP Status code for this error. |
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* |
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* @var int |
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*/ |
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protected static $status = 500; |
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/** |
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* The message for this exception. |
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* |
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* @var string |
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*/ |
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protected static $statusMessage = 'Internal error from Monzo. Check https://status.monzo.com for more info.'; |
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/** |
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* AuthenticationException constructor. |
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* |
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* @param string|null $message |
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*/ |
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public function __construct(string $message = null) |
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{ |
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parent::__construct($message ?? static::$statusMessage, static::$status); |
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} |
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/** |
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* Get the HTTP Status code for this error. |
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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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return $this->response ? $this->response->getStatusCode() : static::$status; |
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} |
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/** |
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* Set the response on this exception. |
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* |
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* @param \Psr\Http\Message\ResponseInterface $response |
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* @param string $body |
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* @return $this |
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*/ |
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public function response(ResponseInterface $response, string $body) |
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{ |
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$this->response = $response; |
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$this->body = json_decode_response($response, $body); |
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$this->message = "{$this->body['message']} ({$this->body['code']})"; |
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return $this; |
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} |
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/** |
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* Generate an exception from a response. |
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* |
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* @param \Psr\Http\Message\ResponseInterface $response |
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* @param string $body |
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* @param string $errorCode |
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* @return static |
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*/ |
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public static function fromResponse(ResponseInterface $response, string $body, ?string $errorCode) |
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{ |
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$class = static::getExceptionType($errorCode, $response->getStatusCode()); |
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/** @var \Amelia\Monzo\Exceptions\MonzoException $exception */ |
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$exception = new $class; |
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return $exception->response($response, $body); |
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} |
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/** |
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* Get the exception class from an underlying error. |
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* |
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* @param null|string $errorCode |
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* @param int $statusCode |
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* @return string |
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*/ |
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protected static function getExceptionType(?string $errorCode, int $statusCode) |
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{ |
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// first, check error code. |
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if ($errorCode !== null) { |
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$errors = collect(static::$errors); |
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// exact match first, followed by pattern match. |
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$class = $errors->get($errorCode) |
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?? $errors->first(function ($value, string $key) use ($errorCode) { |
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return str_is($key, $errorCode); |
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}); |
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if ($class !== null) { |
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return $class; |
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} |
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} |
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// now, check for code directly. |
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return static::$codes[$statusCode] ?? self::class; |
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} |
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} |
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ameliaikeda /
monzo-php
