Drop GATracker. Add meta info to YATracker payload. (#351)

ecommerce/front/trackers.es6

@@ -1,77 +1,38 @@
-class Tracker {
-  constructor(transport) {
-    this.transport = transport;
-  }
-  track() {
-    throw new Error('Track does not implemented');
-  }
+// Got these names from SEO department.
+const eventNames = {
+  detail: 'Detail',
+  add: 'addToCart',
+  remove: 'removeFromCart',
+  purchase: 'Purchase',
 }
 
-class YATracker extends Tracker {
+class YATracker {
   /**
    * Yandex analytics ecommerce tracker.
    * docs: https://yandex.ru/support/metrika/data/e-commerce.html
   **/
   constructor(transport, currencyCode) {
-    super(transport);
+    this.transport = transport;
     this.currencyCode = currencyCode;
   }
   detail(productsData) {
-    this.track({detail: {products: productsData}});
+    this.track('detail', {products: productsData});
   }
   add(productsData) {
-    this.track({add: {products: productsData}});
+    this.track('add', {products: productsData});
   }
   remove(productsData) {
-    this.track({remove: {products: productsData}});
+    this.track('remove', {products: productsData});
   }
   purchase(productsData, actionData) {
-    this.track({purchase: {products: productsData, actionField: actionData}});
+    this.track('purchase', {products: productsData, actionField: actionData});
   }
-  track(data) {
+  track(event, data) {
+    let payload = {};
+    payload[event] = data;
     this.transport.push({
-      ecommerce: Object.assign({currencyCode: this.currencyCode}, data),
+      event: eventNames[event],
+      ecommerce: Object.assign({currencyCode: this.currencyCode}, payload),
     });
   }
 }
-
-class GATracker extends Tracker {
-  /**
-   * Google analytics ecommerce tracker.
-   * docs: https://developers.google.com/analytics/devguides/collection/analyticsjs/ecommerce?hl=en
-  **/
-  constructor(transport, name) {
-    super(transport);
-    this.name = name;
-  }
-  purchase(productsData, txData) {
-    this.track('addTransaction', txData);
-    for (let data of productsData)
-      this.track('addItem', data);
-    this.track('send');
-  }
-  track(actionName, data) {
-    this.transport(`${this.name}:${actionName}`, data);
-  }
-}
-
-
-/**
- * Reliable loader of Google Analytics scripts.
- *
- * Google Analytics scripts (GA) are loading by the Google tag manager (GTM).
- * If GA is still not loaded, the function will delay execution until it is loaded
- * with GA command queue.
- *
- * See this for details about a command queue:
- * http://bit.ly/rf-ga-command-queue
- */
-function loadGaTransport() {
-  if (!window['ga']) {
-    window.ga = (...args) => {
-      (ga.q = ga.q || []).push(args);
-    };
-    ga.l = 1*new Date();
-  }
-  return ga;
-}