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/services/storage/userStorage.js

@@ -0,0 +1,83 @@
+const path = require('path');
+const DB_PATH = path.dirname(require.main.filename) + '/db/users.json';
+const FileSync = require('lowdb/adapters/FileSync');
+const adapter = new FileSync(DB_PATH);
+const low = require('lowdb');
+const db = low(adapter);
+const hasher = require('../security/hash');
+const { nanoid } = require('nanoid');
+const jobStorage = require('./jobStorage');
+
+db.defaults({
+  user: [
+    //you probably want to change the default password ;)
+    {
+      id: nanoid(),
+      lastLogin: Date.now(),
+      username: 'admin',
+      password: hasher.hash('admin'),
+      isAdmin: true,
+      isDemo: false,
+    },
+  ],
+}).write();
+
+exports.getUsers = (withPassword) => {
+  const jobs = jobStorage.getJobs();
+  return db
+    .get('user')
+    .value()
+    .map((user) => ({
+      //we dont want the password in the frontend, even tho it's hashed
+      ...user,
+      password: withPassword ? user.password : null,
+      numberOfJobs: jobs.filter((job) => job.userId === user.id).length,
+    }));
+};
+
+exports.getUser = (id) => {
+  const jobs = jobStorage.getJobs();
+  const user = db
+    .get('user')
+    .value()
+    .find((user) => user.id === id);
+  if (user == null) {
+    return null;
+  }
+  return {
+    ...user,
+    numberOfJobs: jobs.filter((job) => job.userId === user.id).length,
+  };
+};
+
+exports.upsertUser = ({ username, password, userId, isAdmin }) => {
+  const user = db
+    .get('user')
+    .value()
+    .filter((u) => u.id !== userId);
+
+  user.push({
+    id: userId || nanoid(),
+    username,
+    lastLogin: user.lastLogin,
+    password: hasher.hash(password),
+    isAdmin,
+  });
+
+  db.set('user', user).write();
+};
+
+exports.setLastLoginToNow = ({ userId }) => {
+  db.get('user')
+    .find((u) => u.id === userId)
+    .assign({ lastLogin: Date.now() })
+    .write();
+};
+
+exports.removeUser = (userId) => {
+  const user = db.get('user').value();
+  db.set(
+    'user',
+    user.filter((u) => u.id !== userId)
+  ).write();
+};