#141: initial analytics support

app.js

@@ -38,6 +38,8 @@ commander
 
 global.commander = commander;
 
+var trackStats = require(path.join(global.pathToApp, 'core/trackStats'));
+
 app.set('views', path.join(__dirname, 'core/views'));
 app.set('user', path.join(__dirname, global.opts.core.common.pathToUser));
 
@@ -52,12 +54,17 @@ var log = logger.log;
 global.log = log;
 
 if (commander.html) {
+    trackStats.staticEvent('features', 'enabled html parser');
+
     global.opts.plugins.htmlParser.enabled = true;
     global.opts.plugins.htmlParser.onStart = true;
 }
 if (commander.port) global.opts.core.server.port = parseInt(commander.port);
 if (commander.hostname) global.opts.core.server.hostname = commander.hostname;
-if (!commander.watch) global.opts.core.watch.enabled = false;
+if (!commander.watch) {
+    trackStats.staticEvent('features', 'disabled watch');
+    global.opts.core.watch.enabled = false;
+}
 /* /Globals */
 
 
@@ -241,6 +248,12 @@ if (!module.parent) {
                     process.exit(1);
                 }
             });
+    } else {
+        if (global.opts.core.common.trackAnonymusStatistics) {
+            trackStats.staticEvent('start', 'default');
+        } else {
+            trackStats.staticEvent('start', 'no stats', true);
+        }
     }
 }
 /* Server start */

core/middlewares/clarify.js

@@ -8,6 +8,7 @@ var _ = require('lodash');
 var jsdom = require('jsdom');
 var ejs = require('ejs');
 
+var trackStats = require(path.join(global.pathToApp, 'core/trackStats'));
 var pathToApp = path.dirname(require.main.filename);
 var specUtils = require(path.join(pathToApp, 'core/lib/specUtils'));
 var parseData = require(path.join(pathToApp, 'core/lib/parseData'));
@@ -313,6 +314,8 @@ module.exports.process = function(req, res, next) {
                         html = msg;
                     }
 
+                    trackStats.page('clarify', req.sessionID);
+
                     res.send(html);
                 }).fail(function(err) {
                     var msg = 'ERROR: Could not find requested or default template for Clarify';

core/middlewares/send.js

@@ -1,6 +1,8 @@
 'use strict';
 
+var path = require('path');
 var prettyHrtime = require('pretty-hrtime');
+var trackStats = require(path.join(global.pathToApp, 'core/trackStats'));
 
 /**
  * In case if request contains rendered html, then send it as response and stop spec content post-processing.
@@ -11,6 +13,8 @@ var prettyHrtime = require('pretty-hrtime');
  * */
 exports.process = function (req, res, next) {
     if (req.specData && req.specData.renderedHtml) {
+        trackStats.specs(req);
+
         global.log.trace('Spec loading time: ', prettyHrtime(process.hrtime(global.specLoadTime)));
 
         res.send(req.specData.renderedHtml);

core/trackStats.js

@@ -0,0 +1,76 @@
+var url = require('url');
+var path = require('path');
+var macaddress = require('macaddress');
+var ua = require('universal-analytics');
+var log = require(path.join(global.pathToApp, 'core/logger')).log;
+var crypto = require('crypto');
+
+var generateMachineID = function(){
+    var macNums = macaddress.networkInterfaces();
+    var unique = '';
+    var macItem;
+
+    for (macItem in macNums) {
+        var val = macNums[macItem];
+
+        if (val.mac) {
+            unique += val.mac;
+        } else if (val.ipv4) {
+            unique += val.ipv4;
+        }
+    }
+
+    return 'host_' + crypto.createHash('md5').update(unique).digest('hex').slice(0, 5);
+};
+
+var staticVisitor = ua('UA-66924051-1', generateMachineID(), {strictCidFormat: false});
+
+// Track page visits by unique session ID
+var trackPage = function(opts){
+    if (!global.opts.core.common.trackAnonymusStatistics) return;
+
+    var visitor = ua('UA-66924051-1', opts.sessionID, {strictCidFormat: false});
+
+    log.trace('track page', opts.pageName);
+
+    visitor.pageview(opts.pageName).send();
+};
+
+// Track host-initiated events (by unique machine id)
+var staticEvent = function(group, event, force){
+    if (!force && !global.opts.core.common.trackAnonymusStatistics) return;
+
+    log.trace('track event', group, event);
+
+    staticVisitor.event(group, event).send();
+};
+
+module.exports.specs = function(req) {
+    var pageName = 'spec';
+    var sessionID = req.sessionID;
+
+    var parsedUrl = url.parse(req.url, true);
+    var q = parsedUrl.query || {};
+
+    if (q.internal) return;
+
+    if (req.originalPath === '/') {
+        pageName = '/';
+    } else if (req.specData && req.specData.info && req.specData.info.role === 'navigation') {
+        pageName = 'navigation';
+    }
+
+    trackPage({
+        sessionID: sessionID,
+        pageName: pageName
+    });
+};
+
+module.exports.page = function(pageName, sessionID) {
+    trackPage({
+        sessionID: sessionID,
+        pageName: pageName
+    });
+};
+
+module.exports.staticEvent = staticEvent;

core/warn.js

@@ -0,0 +1,21 @@
+'use strict';
+
+var path = require('path');
+
+var rootPath = __dirname.replace(/^\w:\\/, function (match) {
+    return match.toLowerCase();
+});
+var enginePath = global.pathToApp = path.join(rootPath, '../');
+
+var loadOptions = require('./loadOptions');
+var options = global.opts = loadOptions(enginePath);
+
+var trackStats = require(path.join(global.pathToApp, 'core/trackStats'));
+
+if (options && options.core.common && options.core.common.trackAnonymusStatistics) {
+    trackStats.staticEvent('install', 'default');
+
+    console.log('\n[SOURCEJS] Note: engine tracks anonymous usage statistics. To disable it, edit `core.common.trackAnonymusStatistics` configuration.\n');
+} else {
+    trackStats.staticEvent('install', 'no stats', true);
+}

options.js

@@ -24,7 +24,9 @@ module.exports = {
             infoFile: 'info.json',
 
             // Name of options field in info.json, used to override configuration per spec
-            infoFileOptions: 'sourcejs'
+            infoFileOptions: 'sourcejs',
+
+            trackAnonymusStatistics: true
         },
 
         // Server options are passed to app.listen (https://nodejs.org/api/http.html#http_server_listen_port_hostname_backlog_callback)

package.json

@@ -12,6 +12,7 @@
     "async": "~0.9.0",
     "body-parser": "~1.6.4",
     "cheerio": "^0.19.0",
+    "chokidar": "git+https://github.com/operatino/chokidar.git",
     "colors": "0.6.x",
     "commander": "^2.8.1",
     "compression": "~1.0.11",
@@ -25,6 +26,7 @@
     "flat": "^1.2.1",
     "fs-extra": "~0.11.1",
     "fs-finder": "operatino/node-fs-finder#fix-windows-find-up",
+    "fsevents": "^0.3.8",
     "grunt": "~0.4.5",
     "grunt-autoprefixer": "~1.0.0",
     "grunt-cli": "^0.1.13",
@@ -43,17 +45,19 @@
     "load-grunt-tasks": "~0.3.0",
     "lodash": "^3.10.1",
     "log4js": "~0.6.20",
+    "macaddress": "^0.2.8",
     "marked": "^0.3.2",
     "path": "^0.4.9",
     "phantomjs": "1.9.7-15",
     "pretty-hrtime": "^1.0.0",
     "q": "^1.1.1",
     "serve-favicon": "^2.2.0",
     "time-grunt": "~0.2.10",
-    "tinyforever": "0.0.3"
+    "tinyforever": "0.0.3",
+    "universal-analytics": "^0.3.9"
   },
   "scripts": {
-    "postinstall": "node ./core/postInstall && grunt update",
+    "postinstall": "node ./core/postInstall && grunt update && node ./core/warn",
     "build": "npm i",
     "start": "node app",
     "test": "grunt ci-pre-run && node app.js --test",