refactor: organize backend by business responsibility

src/modules/investments/upcoming-events/upcoming-events.controller.spec.ts

@@ -0,0 +1,20 @@
+jest.mock('../../../prisma/prisma.service', () => ({
+  PrismaService: class PrismaService {},
+}));
+
+import { UpcomingEventsController } from './upcoming-events.controller';
+
+describe('UpcomingEventsController', () => {
+  it('passes the authenticated user and account to the service', async () => {
+    const events = { get: jest.fn() };
+    const controller = new UpcomingEventsController(events as never);
+    await controller.get({ user: { sub: 'user' } } as never, 'account', {
+      from: '2026-09-01',
+      to: '2026-09-30',
+    });
+    expect(events.get).toHaveBeenCalledWith('user', 'account', {
+      from: '2026-09-01',
+      to: '2026-09-30',
+    });
+  });
+});