feat: Track pdf templates Posthog events

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

@@ -0,0 +1,29 @@
+import { Inject, Service } from 'typedi';
+import { EventSubscriber } from '@/lib/EventPublisher/EventPublisher';
+import { PosthogService } from '../PostHog';
+import { INVOICE_PAYMENT_LINK_GENERATED } from '@/constants/event-tracker';
+import events from '@/subscribers/events';
+
+@Service()
+export class PaymentLinkEventsTracker extends EventSubscriber {
+  @Inject()
+  private posthog: PosthogService;
+
+  /**
+   * Constructor method.
+   */
+  public attach(bus) {
+    bus.subscribe(
+      events.saleInvoice.onPublicLinkGenerated,
+      this.handleTrackInvoicePublicLinkGeneratedEvent
+    );
+  }
+
+  public handleTrackInvoicePublicLinkGeneratedEvent({ tenantId }) {
+    this.posthog.trackEvent({
+      distinctId: `tenant-${tenantId}`,
+      event: INVOICE_PAYMENT_LINK_GENERATED,
+      properties: {},
+    });
+  }
+}