feat(server): Events tracking using Posthog

packages/server/src/services/EventsTracker/events/BillEventsTracker.ts

@@ -0,0 +1,59 @@
+import { Inject, Service } from 'typedi';
+import { EventSubscriber } from '@/lib/EventPublisher/EventPublisher';
+import {
+  IBillPaymentEventCreatedPayload,
+  IBillPaymentEventEditedPayload,
+  IBillPaymentEventDeletedPayload,
+} from '@/interfaces';
+import { PosthogService } from '../PostHog';
+import events from '@/subscribers/events';
+import {
+  BILL_CREATED,
+  BILL_EDITED,
+  BILL_DELETED,
+} from '@/constants/event-tracker';
+
+@Service()
+export class BillEventsTracker extends EventSubscriber {
+  @Inject()
+  private posthog: PosthogService;
+
+  /**
+   * Constructor method.
+   */
+  public attach(bus) {
+    bus.subscribe(events.bill.onCreated, this.handleTrackBillCreatedEvent);
+    bus.subscribe(events.bill.onEdited, this.handleTrackEditedBillEvent);
+    bus.subscribe(events.bill.onDeleted, this.handleTrackDeletedBillEvent);
+  }
+
+  private handleTrackBillCreatedEvent = ({
+    tenantId,
+  }: IBillPaymentEventCreatedPayload) => {
+    this.posthog.trackEvent({
+      distinctId: `tenant-${tenantId}`,
+      event: BILL_CREATED,
+      properties: {},
+    });
+  };
+
+  private handleTrackEditedBillEvent = ({
+    tenantId,
+  }: IBillPaymentEventEditedPayload) => {
+    this.posthog.trackEvent({
+      distinctId: `tenant-${tenantId}`,
+      event: BILL_EDITED,
+      properties: {},
+    });
+  };
+
+  private handleTrackDeletedBillEvent = ({
+    tenantId,
+  }: IBillPaymentEventDeletedPayload) => {
+    this.posthog.trackEvent({
+      distinctId: `tenant-${tenantId}`,
+      event: BILL_DELETED,
+      properties: {},
+    });
+  };
+}