Add Matomo analytics for page views

www/assets/js/main.js

@@ -97,6 +97,14 @@ $(document).keyup(function (e) {
 
 router.on("routeChange", function (newRoute) {
     console.log("Info", "Navigating to ", newRoute.path);
+    if (getStorage("analytics") !== "false") {
+        try {
+            _paq.push(['setCustomUrl', newRoute.path]);
+            _paq.push(['trackPageView']);
+        } catch (ex) {
+            console.error(ex);
+        }
+    }
 });
 
 function setAppTheme(theme) {
@@ -176,6 +184,27 @@ var setup = (inStorage("accountnumber") && inStorage("accountkey")) || inStorage
 
 app.init();
 
+if (getStorage("analytics") !== "false") {
+    try {
+        var _paq = window._paq = window._paq || [];
+        _paq.push(['enableLinkTracking']);
+        (function () {
+            var u = "https://analytics.netsyms.net/";
+            _paq.push(['setTrackerUrl', u + 'matomo.php']);
+            _paq.push(['setSiteId', '40']);
+            var d = document, g = d.createElement('script'), s = d.getElementsByTagName('script')[0];
+            g.async = true;
+            g.src = u + 'matomo.js';
+            s.parentNode.insertBefore(g, s);
+        })();
+    } catch (ex) {
+        // skip
+    }
+} else {
+    console.log("Analytics code not loaded at user request.");
+}
+
+
 if (setup) {
     router.navigate("/home");
 } else {

www/assets/js/settings.js

@@ -33,6 +33,11 @@ $('.item-content[data-setting=hideaccountnag] .toggle input').on("change", funct
     setStorage("hideaccountnag", checked);
 });
 
+$('.item-content[data-setting=analytics] .toggle input').on("change", function () {
+    var checked = $(this).prop('checked');
+    setStorage("analytics", checked ? "true" : "false");
+});
+
 function resetAccountPrompt() {
     app.dialog.confirm("Are you sure you want to log out?", function () {
         removeFromStorage("accountnumber");

www/pages/welcome.html

@@ -25,9 +25,9 @@
                         </div>
                     </div>
                     <div class="col-100 text-align-center">
-                        <p>Privacy Info: This app doesn't track you or sell your data. We only know
+                        <p>Privacy Info: This app doesn't sell your data. We do collect a small amount
-                            what you actually tell us, and we only use that data to provide and
+                            of analytics to help improve the app. You can opt out in the
-                            improve the services we offer you.
+                            app settings.
                     </div>
                 </div>
             </div>

www/routes.js

@@ -345,7 +345,15 @@ var routes = [
                         text: "",
                         onclick: "openBrowser('https://helena.express/appterms?mtm_campaign=HelenaExpressApp')",
                         link: true
-                    });
+                    },
+                    {
+                        setting: "analytics",
+                        title: "Analytics",
+                        text: "If turned on, we'll collect some anonymous information to help improve the app. It is not sent to any third parties.",
+                        toggle: true,
+                        checked: getStorage("analytics") !== "false",
+                        onclick: ""
+                    }, );
             resolve({
                 content: compiledPages.settings({
                     page_title: "Settings",