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<?php
namespace Shaarli\Api\Exceptions;
use Slim\Http\Response;
/**
* Abstract class ApiException
*
* Parent Exception related to the API, able to generate a valid Response (ResponseInterface).
* Also can include various information in debug mode.
*/
abstract class ApiException extends \Exception
{
/**
* @var Response instance from Slim.
*/
protected $response;
/**
* @var bool Debug mode enabled/disabled.
*/
protected $debug;
/**
* Build the final response.
*
* @return Response Final response to give.
*/
abstract public function getApiResponse();
/**
* Creates ApiResponse body.
* In production mode, it will only return the exception message,
* but in dev mode, it includes additional information in an array.
*
* @return array|string response body
*/
protected function getApiResponseBody()
{
if ($this->debug !== true) {
return $this->getMessage();
}
return [
'message' => $this->getMessage(),
'stacktrace' => get_class($this) . ': ' . $this->getTraceAsString()
];
}
/**
* Build the Response object to return.
*
* @param int $code HTTP status.
*
* @return Response with status + body.
*/
protected function buildApiResponse($code)
{
$style = $this->debug ? JSON_PRETTY_PRINT : null;
return $this->response->withJson($this->getApiResponseBody(), $code, $style);
}
/**
* @param Response $response
*/
public function setResponse($response)
{
$this->response = $response;
}
/**
* @param bool $debug
*/
public function setDebug($debug)
{
$this->debug = $debug;
}
}
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