Added option to include GA tracking

app.js

@@ -21,6 +21,7 @@ let routes = require('./routes/index');
 let users = require('./routes/users');
 let lists = require('./routes/lists');
 let settings = require('./routes/settings');
+let settingsModel = require('./lib/models/settings');
 let templates = require('./routes/templates');
 let campaigns = require('./routes/campaigns');
 let links = require('./routes/links');
@@ -50,7 +51,7 @@ app.disable('x-powered-by');
  * in a situation where we consume a flash messages but then comes a redirect
  * and the message is never displayed
  */
-hbs.registerHelper('flash_messages', function() { // eslint-disable-line prefer-arrow-callback
+hbs.registerHelper('flash_messages', function () { // eslint-disable-line prefer-arrow-callback
     if (typeof this.flash !== 'function') { // eslint-disable-line no-invalid-this
         return '';
     }
@@ -147,7 +148,16 @@ app.use((req, res, next) => {
 
     res.locals.menu = menu;
     tools.updateMenu(res);
-    next();
+
+    settingsModel.list(['ua_code'], (err, configItems) => {
+        if (err) {
+            return next(err);
+        }
+        Object.keys(configItems).forEach(key => {
+            res.locals[key] = configItems[key];
+        });
+        next();
+    });
 });
 
 app.use('/', routes);

routes/settings.js

@@ -11,7 +11,7 @@ let url = require('url');
 
 let settings = require('../lib/models/settings');
 
-let allowedKeys = ['service_url', 'smtp_hostname', 'smtp_port', 'smtp_encryption', 'smtp_disable_auth', 'smtp_user', 'smtp_pass', 'admin_email', 'smtp_log', 'smtp_max_connections', 'smtp_max_messages', 'smtp_self_signed', 'default_from', 'default_address', 'default_subject', 'default_homepage', 'default_postaddress', 'default_sender', 'verp_hostname', 'verp_use', 'disable_wysiwyg', 'pgp_private_key', 'pgp_passphrase'];
+let allowedKeys = ['service_url', 'smtp_hostname', 'smtp_port', 'smtp_encryption', 'smtp_disable_auth', 'smtp_user', 'smtp_pass', 'admin_email', 'smtp_log', 'smtp_max_connections', 'smtp_max_messages', 'smtp_self_signed', 'default_from', 'default_address', 'default_subject', 'default_homepage', 'default_postaddress', 'default_sender', 'verp_hostname', 'verp_use', 'disable_wysiwyg', 'pgp_private_key', 'pgp_passphrase', 'ua_code'];
 
 router.all('/*', (req, res, next) => {
     if (!req.user) {

views/layout.hbs

@@ -143,6 +143,25 @@
         <script src="/summernote/summernote.min.js"></script>
         <script src="/javascript/editor.js"></script>
     {{/if}}
+
+    {{#if uaCode}}
+        <script>
+            (function(i, s, o, g, r, a, m) {
+                i['GoogleAnalyticsObject'] = r;
+                i[r] = i[r] || function() {
+                    (i[r].q = i[r].q || []).push(arguments)
+                }, i[r].l = 1 * new Date();
+                a = s.createElement(o),
+                    m = s.getElementsByTagName(o)[0];
+                a.async = 1;
+                a.src = g;
+                m.parentNode.insertBefore(a, m)
+            })(window, document, 'script', 'https://www.google-analytics.com/analytics.js', 'ga');
+
+            ga('create', '{{uaCode}}', 'auto');
+            ga('send', 'pageview');
+        </script>
+    {{/if}}
 </body>
 
 </html>

views/settings.hbs

@@ -47,6 +47,14 @@
             </div>
         </div>
 
+        <div class="form-group">
+            <label for="ua-code" class="col-sm-2 control-label">Tracking ID</label>
+            <div class="col-sm-10">
+                <input type="text" class="form-control" name="ua-code" id="ua-code-url" placeholder="UA-XXXXX-XX" value="{{uaCode}}">
+                <span class="help-block">Enter Google Analytics tracking code</span>
+            </div>
+        </div>
+
     </fieldset>
 
     <fieldset>

views/subscription/layout.hbs

@@ -55,6 +55,25 @@
         <script src="/summernote/summernote.min.js"></script>
         <script src="/javascript/editor.js"></script>
     {{/if}}
+
+    {{#if uaCode}}
+        <script>
+            (function(i, s, o, g, r, a, m) {
+                i['GoogleAnalyticsObject'] = r;
+                i[r] = i[r] || function() {
+                    (i[r].q = i[r].q || []).push(arguments)
+                }, i[r].l = 1 * new Date();
+                a = s.createElement(o),
+                    m = s.getElementsByTagName(o)[0];
+                a.async = 1;
+                a.src = g;
+                m.parentNode.insertBefore(a, m)
+            })(window, document, 'script', 'https://www.google-analytics.com/analytics.js', 'ga');
+
+            ga('create', '{{uaCode}}', 'auto');
+            ga('send', 'pageview');
+        </script>
+    {{/if}}
 </body>
 
 </html>