contribute/lib/main.js

Contribute user actions to Google Analytics Account - works with proxy

var exec = require('child_process').exec,
    NA = require("nodealytics");

module.exports = function() {
    var _me,
        googleId,
        googleSite,
        proxyAddress = undefined,
        proxyChecked = false,
        queueEvents = [],
        queuePages = [];

    (function() {
        var checkProxyCommand;

        if (!proxyAddress) {
            checkProxyCommand  = exec('npm config get proxy');
            checkProxyCommand.stdout.on('data', function (data) {
                if (data.indexOf("null") == 0){
                    proxyAddress = false;
                } else {
                    proxyAddress = data;
                    NA.setProxy(proxyAddress);
                }
                proxyChecked = true;
                unqueueEvents();
                unqueuePages();
            });
        }
    })();

    var unqueueEvents = function() {
        var event;
        for (indexEvent in queueEvents) {
            event = queueEvents[indexEvent];
            sendEvent(event.category, event.action, event.label);
        }
        queueEvents = [];
    }

    var unqueuePages = function() {
        var pageTrack;
        for (indexPage in queuePages) {
            pageTrack = queuePages[indexPage];
            sendPageTrack(pageTrack.title, pageTrack.page);
        }
        queuePages = [];
    }

    var sendEvent = function(category, action, label) {
        NA.trackEvent(category, action, label, function (err, resp) {
            if (!err && resp && resp.statusCode === 200) {
                console.log('Thank you for your contribution');
            }
        });
    };

    var sendPageTrack = function(title, page) {
        NA.trackPage(title, page, function (err, resp) {
            if (!err && resp.statusCode === 200) {
                console.log('Thank you for your contribution');
            }
        });
    };

    return {
        init : function(config) {
            if (config) {
                googleId = config.googleId;
                googleSite = config.googleSite;
                if (config.proxy) {
                    proxyAddress = config.proxy;
                }
                NA.initialize(googleId, googleSite, function () {
                });

            }
        },
        trackEvent : function(category, action, label) {
            if (proxyChecked) {
                sendEvent(category, action, label);
            } else {
                queueEvents.push({
                    "category" : category,
                    "action" : action,
                    "label" : label
                });
            }
        },
        trackPage : function(title, page) {
            if (proxyChecked) {
                sendPageTrack(title, page);
            } else {
                queuePages.push({
                    "title" : title,
                    "page" : page
                });
            }
        }
    };

}();