Implement support for multiple analytics engines

src/services/matomo.service.js

@@ -0,0 +1,51 @@
+
+export default {
+    install(Vue, config) {
+
+        const matomoService = new Vue({
+            config: config,
+            data() {
+                return {
+                    initialized: false
+                }
+            },
+            created() {
+                if (this.$options.config) {
+                    const config = this.$options.config;
+                    let server = config.server;
+                    let siteId = config.siteId;
+                    if (server && siteId) {
+                        if (!server.endsWith("/")) {
+                            server = server + "/";
+                        }
+                        let script = `
+                          var _paq = window._paq = window._paq || [];
+                          /* tracker methods like "setCustomDimension" should be called before "trackPageView" */
+                          _paq.push(['trackPageView']);
+                          _paq.push(['enableLinkTracking']);
+                          (function() {
+                            var u="${server}";
+                            _paq.push(['setTrackerUrl', u+'matomo.php']);
+                            _paq.push(['setSiteId', '${siteId}']);
+                            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);
+                          })();
+                        `;
+                        var s = document.createElement('script');
+                        s.innerHTML = script;
+                        document.body.appendChild(s);   
+                        this.initialized = true;
+                    }
+                }
+            },
+            methods: {
+                event(category, action) {
+                    if (this.initialized) {
+                        window._paq.push(['trackEvent', category, action]);
+                    }
+                }
+            }
+        });
+        return matomoService;
+    }
+}