sails/lib/hooks/responses/defaults/negotiate.js

API-driven framework for building realtime apps, using MVC conventions (based on Express and Socket.io)

/**
 * Generic Error Handler / Classifier
 *
 * Calls the appropriate custom response for a given error,
 * out of the bundled response modules:
 * badRequest, forbidden, notFound, & serverError
 *
 * Defaults to `res.serverError`
 *
 * Usage:
 * ```javascript
 * if (err) return res.negotiate(err);
 * ```
 *
 * @param {*} error(s)
 *
 * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 * WARNING: THIS FUNCTION IS DEPRECATED!
 * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 */

module.exports = function negotiate (err) {

  // Get access to request (`req`), response (`res`), and Sails app (`sails`).
  var req = this.req;
  var res = this.res;
  var sails = req._sails;

  sails.log.debug('`res.negotiate` is deprecated.  Use a custom response instead (see http://sailsjs.com/docs/concepts/custom-responses).\n');

  var statusCode = 500;
  var body = err;

  try {

    statusCode = err.status || 500;

    // Set the status
    // (should be taken care of by res.* methods, but this sets a default just in case)
    res.status(statusCode);

  } catch (unusedErr) {}

  // Respond using the appropriate custom response
  if (statusCode === 403) { return res.forbidden(body); }
  if (statusCode === 404) { return res.notFound(body); }
  if (statusCode >= 400 && statusCode < 500) { return res.badRequest(body); }
  return res.serverError(body);
};