feat: Implement get app API endpoint

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

@@ -0,0 +1,8 @@
+import App from '../../../../models/app.js';
+import { renderObject } from '../../../../helpers/renderer.js';
+
+export default async (request, response) => {
+  const app = await App.findOneByKey(request.params.appKey);
+
+  renderObject(response, app);
+};

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

@@ -0,0 +1,32 @@
+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';
+import { createUser } from '../../../../../test/factories/user';
+import getAppMock from '../../../../../test/mocks/rest/api/v1/apps/get-app.js';
+
+describe('GET /api/v1/apps/:appKey', () => {
+  let currentUser, token;
+
+  beforeEach(async () => {
+    currentUser = await createUser();
+    token = createAuthTokenByUserId(currentUser.id);
+  });
+
+  it('should return the app info', async () => {
+    const response = await request(app)
+      .get('/api/v1/apps/github')
+      .set('Authorization', token)
+      .expect(200);
+
+    const expectedPayload = getAppMock('github');
+    expect(response.body).toEqual(expectedPayload);
+  });
+
+  it('should return not found response for invalid app key', async () => {
+    await request(app)
+      .get('/api/v1/apps/invalid-app-key')
+      .set('Authorization', token)
+      .expect(404);
+  });
+});