castleio-sdk/src/express.js

The castle.io SDK for Node.js

'use strict';

import Events from './events-compiled.js';

module.exports = function (castle, events = Events) {
    return function (request, response, next) {
        function injectClientData(data) {
            data.headers   = request.headers || undefined;
            data.ip        = request.ip || undefined;
            data.cookie    = (request.cookies || {})['__cid'] || undefined;
            data.userAgent = (request.headers || {})['user-agent'] || '';
            return data;
        }

        request.castleTrackEvent = function ({event, user_id, details}) {
            return castle.trackEvent(injectClientData({
                event,
                user_id,
                details
            }));
        };

        request.castleIdentify = function ({user_id, user_data}) {
            return castle.identify(injectClientData({
                user_id,
                user_data
            }));
        };

        request.castleEvents = events;

        next();
    }
};