feat(api): add get user endpoint

packages/backend/src/controllers/api/v1/users/get-user.ee.js

@@ -0,0 +1,13 @@
+import { renderObject } from '../../../../helpers/renderer.js';
+import User from '../../../../models/user.js';
+
+export default async (request, response) => {
+  const user = await User.query()
+    .withGraphFetched({
+      role: true,
+    })
+    .findById(request.params.userId)
+    .throwIfNotFound();
+
+  renderObject(response, user);
+};

packages/backend/src/controllers/api/v1/users/get-user.ee.test.js

@@ -0,0 +1,48 @@
+import { vi, describe, it, expect, beforeEach } from 'vitest';
+import request from 'supertest';
+import Crypto from 'crypto';
+import app from '../../../../app.js';
+import { createApiToken } from '../../../../../test/factories/api-token.js';
+import { createUser } from '../../../../../test/factories/user.js';
+import { createRole } from '../../../../../test/factories/role.js';
+import getUserMock from '../../../../../test/mocks/rest/api/v1/users/get-user.js';
+import * as license from '../../../../helpers/license.ee.js';
+
+describe('GET /api/v1/users/:userId', () => {
+  let user, userRole, token;
+
+  beforeEach(async () => {
+    vi.spyOn(license, 'hasValidLicense').mockResolvedValue(true);
+
+    userRole = await createRole({ name: 'Admin' });
+    user = await createUser({ roleId: userRole.id });
+
+    token = (await createApiToken()).token;
+  });
+
+  it('should return specified user info', async () => {
+    const response = await request(app)
+      .get(`/api/v1/users/${user.id}`)
+      .set('x-api-token', token)
+      .expect(200);
+
+    const expectedPayload = getUserMock(user, userRole);
+    expect(response.body).toStrictEqual(expectedPayload);
+  });
+
+  it('should return not found response for not existing user UUID', async () => {
+    const notExistingUserUUID = Crypto.randomUUID();
+
+    await request(app)
+      .get(`/api/v1/users/${notExistingUserUUID}`)
+      .set('x-api-token', token)
+      .expect(404);
+  });
+
+  it('should return bad request response for invalid UUID', async () => {
+    await request(app)
+      .get('/api/v1/users/invalidUserUUID')
+      .set('x-api-token', token)
+      .expect(400);
+  });
+});