Show the date when the latest release has been done in the admin page

Author: erikao1998

src/client/components/Admin/index.tsx

@@ -1,5 +1,5 @@
 import React from 'react'
-import { Box, Tabs, Tab } from '@mui/material'
+import { Box, Tabs, Tab, Typography } from '@mui/material'
 import { useTranslation } from 'react-i18next'
 import {
   Route,
@@ -11,6 +11,7 @@ import {
 } from 'react-router-dom'
 import { get } from 'lodash'
 
+import { format } from 'date-fns'
 import ChatInstances from './ChatInstances'
 import Usage from './Usage'
 import Updater from './Updater'
@@ -35,8 +36,16 @@ const Admin = () => {
 
   if (isLoading) return null
 
+  const lastRestart = format(new Date(user?.lastRestart), 'dd/MM/yyyy HH.mm.ss')
+
   return (
     <Box>
+      <Box m={2}>
+        <Typography variant="body1">
+          {t('admin:lastUpdate')}
+          {lastRestart}
+        </Typography>
+      </Box>
       <Box mb={3}>
         <RouterTabs>
           <Tab

src/client/types.ts

@@ -19,6 +19,7 @@ export interface User {
   activeCourseIds: string[]
   ownCourses: string[]
   hasIamAccess?: boolean
+  lastRestart: any
 }
 
 export type Prompt = {

src/server/index.ts

@@ -12,6 +12,7 @@ import logger from './util/logger'
 import { connectToDatabase } from './db/connection'
 import seed from './db/seeders'
 import setupCron from './util/cron'
+import { updateLastRestart } from './util/lastRestart'
 
 const app = express()
 
@@ -33,6 +34,7 @@ if (inProduction || inStaging) {
 app.listen(PORT, async () => {
   await connectToDatabase()
   await seed()
+  await updateLastRestart()
   if (true || inProduction || inStaging) {
     await setupCron()
   }

src/server/routes/user.ts

@@ -10,6 +10,7 @@ import {
 import { User } from '../db/models'
 import { getUserStatus, getUsage } from '../chatInstances/usage'
 import { DEFAULT_TOKEN_LIMIT } from '../../config'
+import { getLastRestart } from '../util/lastRestart'
 
 const userRouter = express.Router()
 
@@ -42,10 +43,13 @@ userRouter.get('/login', async (req, res) => {
 
   const usage = await getUsage(id)
 
+  const lastRestart = await getLastRestart()
+
   return res.send({
     ...user,
     usage,
     hasIamAccess: isAdmin || hasIamAccess,
+    lastRestart,
   })
 })
 

src/server/util/lastRestart.ts

@@ -0,0 +1,15 @@
+import * as redis from './redis'
+
+let lastRestart = null
+
+export const updateLastRestart = async () => {
+  const now = Date.now()
+  lastRestart = now
+  await redis.set('LAST_RESTART', now)
+}
+
+export const getLastRestart = async () => {
+  const str = (await redis.get('LAST_RESTART')) ?? lastRestart
+  const int = Number(str)
+  return new Date(int)
+}