Sails Response Builder

// statusCode could be
// 200 - successfull
// 201 - successfully created
// data - could be array, object, string anything
// meta - any extra information that needs to be appended
// self - path for current api call

var success_response = (statusCode, data, meta = {}, self, res) => {
  let resBody = {
    status: statusCode,
    data: data,
    meta: meta,
    self: self
  }
  res.ok(resBody);
}

// statusCode could be
// 400 - not successfull
// 401 - unauthorized
// 402 - unprocessable entity
// 500 - serve error
// error - are array of errors
// messsage - custom message to address the errors

var error_response = (statusCode, errors, message, self, res) => {
  sails.log(errors);
  let resBody = {
    status: statusCode,
    errors: errors,
    message: message,
    self: self
  }

  switch(statusCode) {
    case 400:
      res.badRequest(resBody);
      break;
    case 401:
      res.unauthorized(resBody);
      break;
    case 403:
      res.forbidden(resBody);
      break;
    case 404:
      res.notFound(resBody);
      break;
    case 500:
      res.serverError(resBody);
      break;
    }
};


// statusCode - 200, 400, 401, 500 etc
// data - array, object, string etc

module.exports = function(statusCode, data = {}, meta= {}) {
  var req = this.req;
  var res = this.res;
  var statusCode = arguments[0];
  var data, errors, meta, message, response;

  sails.log(arguments);

  res.status(statusCode);

  if(statusCode >= 200 && statusCode < 300) {
    data = arguments[1] || {};
    meta = arguments[2] || {};
    success_response(statusCode, data, meta, req.route.path, res);
  }
  else {
    errors = arguments[1] || [];
    message = arguments[2] || '';
    error_response(statusCode, errors, message, req.route.path, res);
  }

  sails.log("Response sent !!");

}