Setup basic event tracking framework

MAILPOET-6365

packages/js/email-editor/src/components/block-editor/layout.tsx

@@ -25,7 +25,11 @@ import { VisualEditor } from './visual-editor/visual-editor';
 
 import { TemplateSelection } from '../template-select';
 
+import { recordEvent } from '../../events';
+
 export function Layout() {
+	recordEvent( 'editor-layout-loaded' );
+
 	const {
 		isFullscreenActive,
 		isSidebarOpened,

packages/js/email-editor/src/editor.tsx

@@ -8,6 +8,7 @@ import { InnerEditor } from './components/block-editor';
 import { createStore, storeName } from './store';
 import { initHooks } from './editor-hooks';
 import { KeyboardShortcuts } from './components/keybord-shortcuts';
+import { initEventCollector } from './events';
 import './index.scss';
 
 function Editor() {
@@ -42,6 +43,7 @@ export function initialize( elementId: string ) {
 	if ( ! container ) {
 		return;
 	}
+	initEventCollector();
 	createStore();
 	initializeLayout();
 	initBlocks();

packages/js/email-editor/src/events/event-collector.ts

@@ -0,0 +1,16 @@
+import { doAction } from '@wordpress/hooks';
+import { EMAIL_STRING, dispatcher } from './event-pipeline';
+
+const eventListenerHandler = ( eventData ) => {
+	doAction( 'mailpoet-email-editor-events', eventData.detail );
+};
+
+const initEventCollector = () => {
+	dispatcher.addEventListener( EMAIL_STRING, eventListenerHandler );
+};
+
+window.addEventListener( 'unload', function () {
+	dispatcher.removeEventListener( EMAIL_STRING, eventListenerHandler );
+} );
+
+export { initEventCollector };

packages/js/email-editor/src/events/event-pipeline.ts

@@ -0,0 +1,18 @@
+const EMAIL_STRING = 'email-editor-events';
+
+const dispatcher = new EventTarget();
+
+const recordEvent = ( name: string, data = {} ) => {
+	const recordedData = typeof data !== 'object' ? { data } : data;
+
+	const eventData = {
+		name: `${ EMAIL_STRING }_${ name }`,
+		...recordedData,
+	};
+
+	dispatcher.dispatchEvent(
+		new CustomEvent( EMAIL_STRING, { detail: eventData } )
+	);
+};
+
+export { recordEvent, EMAIL_STRING, dispatcher };

packages/js/email-editor/src/events/index.ts

@@ -0,0 +1,2 @@
+export { recordEvent } from './event-pipeline';
+export * from './event-collector';

packages/js/email-editor/src/store/actions.ts

@@ -25,6 +25,7 @@ import {
 	parse,
 } from '@wordpress/blocks';
 import { decodeEntities } from '@wordpress/html-entities';
+import { recordEvent } from '../events';
 
 export const toggleFeature =
 	( feature: Feature ) =>
@@ -65,19 +66,26 @@ export function updateSendPreviewEmail( toEmail: string ) {
 
 export const openSidebar =
 	( key = mainSidebarDocumentTab ) =>
-	( { registry } ): unknown =>
+	( { registry } ): unknown => {
-		registry
+		recordEvent( 'editor-sidebar-opened' );
+		return registry
 			.dispatch( interfaceStore )
 			.enableComplementaryArea( storeName, key );
+	};
 
 export const closeSidebar =
 	() =>
-	( { registry } ): unknown =>
+	( { registry } ): unknown => {
-		registry
+		recordEvent( 'editor-sidebar-closed' );
+
+		return registry
 			.dispatch( interfaceStore )
 			.disableComplementaryArea( storeName );
+	};
 
 export function toggleSettingsSidebarActiveTab( activeTab: string ) {
+	recordEvent( 'editor-settings-sidebar-active-tab', { activeTab } );
+
 	return {
 		type: 'TOGGLE_SETTINGS_SIDEBAR_ACTIVE_TAB',
 		state: { activeTab } as Partial< State[ 'settingsSidebar' ] >,
@@ -96,6 +104,7 @@ export function* saveEditedEmail() {
 	);
 
 	result.then( () => {
+		recordEvent( 'editor-content-saved', { postId } );
 		void dispatch( noticesStore ).createErrorNotice(
 			__( 'Email saved!', 'mailpoet' ),
 			{
@@ -107,6 +116,7 @@ export function* saveEditedEmail() {
 	} );
 
 	result.catch( () => {
+		recordEvent( 'editor-content-not-saved', { postId } );
 		void dispatch( noticesStore ).createErrorNotice(
 			__(
 				'The email could not be saved. Please, clear browser cache and reload the page. If the problem persists, duplicate the email and try again.',
@@ -142,6 +152,7 @@ export function* updateEmailMailPoetProperty( name: string, value: string ) {
 			},
 		}
 	);
+	recordEvent( 'updated-mailpoet-email-property', { postId } );
 }
 
 export const setTemplateToPost =
@@ -192,7 +203,9 @@ export function* requestSendingNewsletterPreview(
 				isSendingPreviewEmail: false,
 			},
 		};
+		recordEvent( 'sent-preview-email', { postId, email } );
 	} catch ( errorResponse ) {
+		recordEvent( 'error-sent-preview-email', { email } );
 		yield {
 			type: 'CHANGE_PREVIEW_STATE',
 			state: {