GuzzleRequestExceptionHandler

exceptionHandler.php

<?php     

    private function exceptionHandler(GuzzleRequestException $e)
    {
        if ($e->hasResponse()) {
            if ($e->getResponse()->getStatusCode() >= 500) {
                throw $e;
            }
            $error = json_decode($e->getResponse()->getBody()->getContents(), true);
            if (isset($error['errors'])) {
                switch (array_shift($error['errors'])['code']) {
                    case 'email_already_taken':
                        throw RequestException::userAlreadyExist();
                    default:
                        throw RequestException::unknownError();
                }
            }
        }

        throw $e;
    }