Analytics: track generic events through the server (#12735)

* Loggly-only user support events (#12676)

* feat(analytics): Loggly-only user support events

* fix(analytics): clean up more Unknowns

* wip: allow tracking events from the server

* analytics: allow tracking generic events on the server

* remove console.logs

* remove console.log (client)

* add integration test

Co-authored-by: Sabe Jones <sabrecat@gmail.com>

test/api/v3/integration/analytics/POST-analytics_track_eventName.test.js

@@ -0,0 +1,28 @@
+import {
+  generateUser,
+  requester,
+  translate as t,
+} from '../../../../helpers/api-integration/v3';
+import { mockAnalyticsService as analytics } from '../../../../../website/server/libs/analyticsService';
+
+describe('POST /analytics/track/:eventName', () => {
+  it('requires authentication', async () => {
+    await expect(requester().post('/analytics/track/event')).to.eventually.be.rejected.and.eql({
+      code: 401,
+      error: 'NotAuthorized',
+      message: t('missingAuthHeaders'),
+    });
+  });
+
+  it('calls res.analytics', async () => {
+    const user = await generateUser();
+    sandbox.spy(analytics, 'track');
+
+    const requestWithHeaders = requester(user, { 'x-client': 'habitica-web' });
+    await requestWithHeaders.post('/analytics/track/eventName', { data: 'example' }, { 'x-client': 'habitica-web' });
+    expect(analytics.track).to.be.calledOnce;
+    expect(analytics.track).to.be.calledWith('eventName', sandbox.match({ data: 'example' }));
+
+    sandbox.restore();
+  });
+});