JsonResponse.php

<?php

class JsonResponse implements ResponseInterface
{
  /**
   * Return a success response.
   * Set the header:
   * Content-Type: application/json
   *
   * @param array $body the body of the response
   */
  static public function success(array $body)
  {
    header('Content-Type: application/json');
    http_response_code(self::STATUS_SUCCESS);
    exit(json_encode($body));
  }

  /**
   * Return a error response.
   * Set the header:
   * Content-Type: application/json
   *
   * @param string $message the message for the client
   * @param array $body the body of the response
   */
  static public function badRequest($message, array $body = null)
  {
    header('Content-Type: application/json');
    http_response_code(self::STATUS_BAD_REQUEST);
    $response = $body;
    $response['msg'] = $message;
    exit(json_encode($response));
  }

  /**
   * Return a error response.
   * Set the header
   * Content-Type: application/json
   *
   * @param string $message the message for the client
   * @param array $body the body of the response
   */
  static public function forbidden($message, array $body = null)
  {
    header('Content-Type: application/json');
    http_response_code(self::STATUS_FORBIDDEN);
    $response = $body;
    $response['msg'] = $message;
    exit(json_encode($response));
  }

  /**
   * Return a error response.
   * Set the headers
   * Content-Type: application/json
   *
   * @param string $message the message for the client
   * @param array $body the body of the response
   */
  static public function serverError($message, array $body = null)
  {
    header('Content-Type: application/json');
    http_response_code(self::STATUS_SERVER_ERROR);
    $response = $body;
    $response['msg'] = $message;
    exit(json_encode($response));
  }

  /**
   * Return a error response.
   * Set the headers
   * Content-Type: application/json
   *
   * @param string $message the message for the client
   * @param array $body the body of the response
   */
  static public function notFound($message, array $body = null)
  {
    header('Content-Type: application/json');
    http_response_code(self::STATUS_NOT_FOUND);
    $response = $body;
    $response['msg'] = $message;
    exit(json_encode($response));
  }
}