feat(api): add delete flow endpoint

packages/backend/src/controllers/api/v1/flows/delete-flow.ee.js

@@ -0,0 +1,11 @@
+import Flow from '../../../../models/flow.js';
+
+export default async (request, response) => {
+  const flow = await Flow.query()
+    .findById(request.params.flowId)
+    .throwIfNotFound();
+
+  await flow.delete();
+
+  response.status(204).end();
+};

packages/backend/src/controllers/api/v1/flows/delete-flow.ee.test.js

@@ -0,0 +1,42 @@
+import Crypto from 'node:crypto';
+import request from 'supertest';
+import { beforeEach, describe, it, vi } from 'vitest';
+import { createApiToken } from '../../../../../test/factories/api-token.js';
+import { createFlow } from '../../../../../test/factories/flow.js';
+import app from '../../../../app.js';
+import * as license from '../../../../helpers/license.ee.js';
+
+describe('DELETE /api/v1/flows/:flowId', () => {
+  let token;
+
+  beforeEach(async () => {
+    vi.spyOn(license, 'hasValidLicense').mockResolvedValue(true);
+
+    token = (await createApiToken()).token;
+  });
+
+  it('should remove the flow and return no content', async () => {
+    const flow = await createFlow();
+
+    await request(app)
+      .delete(`/api/v1/flows/${flow.id}`)
+      .set('x-api-token', token)
+      .expect(204);
+  });
+
+  it('should return not found response for not existing flow UUID', async () => {
+    const notExistingFlowUUID = Crypto.randomUUID();
+
+    await request(app)
+      .delete(`/api/v1/flows/${notExistingFlowUUID}`)
+      .set('x-api-token', token)
+      .expect(404);
+  });
+
+  it('should return bad request response for invalid UUID', async () => {
+    await request(app)
+      .delete('/api/v1/flows/invalidFlowUUID')
+      .set('x-api-token', token)
+      .expect(400);
+  });
+});

packages/backend/src/routes/api/v1/flows.ee.js

@@ -1,8 +1,10 @@
 import { Router } from 'express';
 import getFlowAction from '../../../controllers/api/v1/flows/get-flow.ee.js';
+import deleteFlowAction from '../../../controllers/api/v1/flows/delete-flow.ee.js';
 
 const router = Router();
 
 router.get('/:flowId', getFlowAction);
+router.delete('/:flowId', deleteFlowAction);
 
 export default router;