feat: Implement API endpoint to get flows of the specified app

packages/backend/src/controllers/api/v1/apps/get-flows.js

@@ -0,0 +1,23 @@
+import { renderObject } from '../../../../helpers/renderer.js';
+import App from '../../../../models/app.js';
+import paginateRest from '../../../../helpers/pagination-rest.js';
+
+export default async (request, response) => {
+  const app = await App.findOneByKey(request.params.appKey);
+
+  const flowsQuery = request.currentUser.authorizedFlows
+    .clone()
+    .joinRelated({
+      steps: true,
+    })
+    .withGraphFetched({
+      steps: true,
+    })
+    .where('steps.app_key', app.key)
+    .orderBy('active', 'desc')
+    .orderBy('updated_at', 'desc');
+
+  const flows = await paginateRest(flowsQuery, request.query.page);
+
+  renderObject(response, flows);
+};

packages/backend/src/controllers/api/v1/apps/get-flows.test.js

@@ -0,0 +1,129 @@
+import { describe, it, expect, beforeEach } from 'vitest';
+import request from 'supertest';
+import app from '../../../../app.js';
+import createAuthTokenByUserId from '../../../../helpers/create-auth-token-by-user-id.js';
+import { createUser } from '../../../../../test/factories/user.js';
+import { createFlow } from '../../../../../test/factories/flow.js';
+import { createStep } from '../../../../../test/factories/step.js';
+import { createPermission } from '../../../../../test/factories/permission.js';
+import getFlowsMock from '../../../../../test/mocks/rest/api/v1/flows/get-flows.js';
+
+describe('GET /api/v1/apps/:appKey/flows', () => {
+  let currentUser, currentUserRole, token;
+
+  beforeEach(async () => {
+    currentUser = await createUser();
+    currentUserRole = await currentUser.$relatedQuery('role');
+
+    token = createAuthTokenByUserId(currentUser.id);
+  });
+
+  it('should return the flows data of specified app for current user', async () => {
+    const currentUserFlowOne = await createFlow({ userId: currentUser.id });
+
+    const triggerStepFlowOne = await createStep({
+      flowId: currentUserFlowOne.id,
+      type: 'trigger',
+      appKey: 'webhook',
+    });
+
+    const actionStepFlowOne = await createStep({
+      flowId: currentUserFlowOne.id,
+      type: 'action',
+    });
+
+    const currentUserFlowTwo = await createFlow({ userId: currentUser.id });
+
+    await createStep({
+      flowId: currentUserFlowTwo.id,
+      type: 'trigger',
+      appKey: 'github',
+    });
+
+    await createStep({
+      flowId: currentUserFlowTwo.id,
+      type: 'action',
+    });
+
+    await createPermission({
+      action: 'read',
+      subject: 'Flow',
+      roleId: currentUserRole.id,
+      conditions: ['isCreator'],
+    });
+
+    const response = await request(app)
+      .get('/api/v1/apps/webhook/flows')
+      .set('Authorization', token)
+      .expect(200);
+
+    const expectedPayload = await getFlowsMock(
+      [currentUserFlowOne],
+      [triggerStepFlowOne, actionStepFlowOne]
+    );
+
+    expect(response.body).toEqual(expectedPayload);
+  });
+
+  it('should return the flows data of specified app for another user', async () => {
+    const anotherUser = await createUser();
+    const anotherUserFlowOne = await createFlow({ userId: anotherUser.id });
+
+    const triggerStepFlowOne = await createStep({
+      flowId: anotherUserFlowOne.id,
+      type: 'trigger',
+      appKey: 'webhook',
+    });
+
+    const actionStepFlowOne = await createStep({
+      flowId: anotherUserFlowOne.id,
+      type: 'action',
+    });
+
+    const anotherUserFlowTwo = await createFlow({ userId: anotherUser.id });
+
+    await createStep({
+      flowId: anotherUserFlowTwo.id,
+      type: 'trigger',
+      appKey: 'github',
+    });
+
+    await createStep({
+      flowId: anotherUserFlowTwo.id,
+      type: 'action',
+    });
+
+    await createPermission({
+      action: 'read',
+      subject: 'Flow',
+      roleId: currentUserRole.id,
+      conditions: [],
+    });
+
+    const response = await request(app)
+      .get('/api/v1/apps/webhook/flows')
+      .set('Authorization', token)
+      .expect(200);
+
+    const expectedPayload = await getFlowsMock(
+      [anotherUserFlowOne],
+      [triggerStepFlowOne, actionStepFlowOne]
+    );
+
+    expect(response.body).toEqual(expectedPayload);
+  });
+
+  it('should return not found response for invalid app key', async () => {
+    await createPermission({
+      action: 'read',
+      subject: 'Flow',
+      roleId: currentUserRole.id,
+      conditions: ['isCreator'],
+    });
+
+    await request(app)
+      .get('/api/v1/apps/invalid-app-key/flows')
+      .set('Authorization', token)
+      .expect(404);
+  });
+});

packages/backend/src/helpers/authorization.js

@@ -15,6 +15,10 @@ const authorizationList = {
     action: 'read',
     subject: 'Flow',
   },
+  'GET /api/v1/apps/:appKey/flows': {
+    action: 'read',
+    subject: 'Flow',
+  },
   'GET /api/v1/executions/:executionId': {
     action: 'read',
     subject: 'Execution',

packages/backend/src/routes/api/v1/apps.js

@@ -1,13 +1,15 @@
 import { Router } from 'express';
 import asyncHandler from 'express-async-handler';
 import { authenticateUser } from '../../../helpers/authentication.js';
+import { authorizeUser } from '../../../helpers/authorization.js';
 import getAppAction from '../../../controllers/api/v1/apps/get-app.js';
 import getAppsAction from '../../../controllers/api/v1/apps/get-apps.js';
 import getAuthAction from '../../../controllers/api/v1/apps/get-auth.js';
 import getTriggersAction from '../../../controllers/api/v1/apps/get-triggers.js';
 import getTriggerSubstepsAction from '../../../controllers/api/v1/apps/get-trigger-substeps.js';
 import getActionsAction from '../../../controllers/api/v1/apps/get-actions.js';
 import getActionSubstepsAction from '../../../controllers/api/v1/apps/get-action-substeps.js';
+import getFlowsAction from '../../../controllers/api/v1/apps/get-flows.js';
 
 const router = Router();
 
@@ -39,4 +41,11 @@ router.get(
   asyncHandler(getActionSubstepsAction)
 );
 
+router.get(
+  '/:appKey/flows',
+  authenticateUser,
+  authorizeUser,
+  asyncHandler(getFlowsAction)
+);
+
 export default router;