UI (#15)

Adding new Admin UI. Updating Fredy to V3.0.0 as it has been a large rewrite. Thanks for all contributions and help on the way!

lib/api/routes/userRoute.js

@@ -0,0 +1,76 @@
+const service = require('restana')();
+const userRouter = service.newRouter();
+const userStorage = require('../../services/storage/userStorage');
+const jobStorage = require('../../services/storage/jobStorage');
+
+function checkIfAnyAdminAfterRemovingUser(userIdToBeRemoved, allUser) {
+  return allUser.filter((user) => user.id !== userIdToBeRemoved && user.isAdmin).length > 0;
+}
+
+function checkIfUserToBeRemovedIsLoggedIn(userIdToBeRemoved, req) {
+  return req.session.currentUser === userIdToBeRemoved;
+}
+
+const nullOrEmpty = (str) => str == null || str.length === 0;
+
+userRouter.get('/', async (req, res) => {
+  res.body = userStorage.getUsers(false);
+  res.send();
+});
+
+userRouter.get('/:userId', async (req, res) => {
+  const { userId } = req.params;
+  res.body = userStorage.getUser(userId);
+  res.send();
+});
+
+userRouter.delete('/', async (req, res) => {
+  const { userId } = req.body;
+  const allUser = userStorage.getUsers(false);
+
+  if (!checkIfAnyAdminAfterRemovingUser(userId, allUser)) {
+    res.send(new Error('You are trying to remove the last admin user. This is prohibited.'));
+    return;
+  }
+  if (checkIfUserToBeRemovedIsLoggedIn(userId, req)) {
+    res.send(new Error('You are trying to remove yourself. This is prohibited.'));
+    return;
+  }
+
+  //TODO: Remove also analytics
+  jobStorage.removeJobsByUserId(userId);
+  userStorage.removeUser(userId);
+
+  res.send();
+});
+
+userRouter.post('/', async (req, res) => {
+  const { username, password, password2, isAdmin, userId } = req.body;
+  if (password !== password2) {
+    res.send(new Error('Passwords does not match'));
+    return;
+  }
+  if (nullOrEmpty(username) || nullOrEmpty(password) || nullOrEmpty(password2)) {
+    res.send(new Error('Username and password are mandatory.'));
+    return;
+  }
+  const allUser = userStorage.getUsers(false);
+
+  if (!isAdmin && !checkIfAnyAdminAfterRemovingUser(userId, allUser)) {
+    res.send(
+      new Error('You cannot change the admin flag for this user as otherwise, there is no other user in the system')
+    );
+    return;
+  }
+
+  userStorage.upsertUser({
+    userId,
+    username,
+    password,
+    isAdmin,
+  });
+
+  res.send();
+});
+
+exports.userRouter = userRouter;