UBER-854: More proper upgrade notification (#3694)

Signed-off-by: Andrey Sobolev <haiodo@gmail.com>

plugins/workbench-resources/src/connect.ts

@@ -97,6 +97,15 @@ export async function connect (title: string): Promise<Client | undefined> {
             // It seems upgrade happened
             location.reload()
           }
+          const serverVersion: { version: string } = await (await fetch(serverEndpoint + '/api/v1/version', {})).json()
+
+          console.log('Server version', serverVersion.version)
+          if (serverVersion.version !== '' && serverVersion.version !== currentVersionStr) {
+            versionError = `${currentVersionStr} => ${serverVersion.version}`
+            setTimeout(() => {
+              window.location.reload()
+            }, 5000)
+          }
         })()
       } catch (err) {
         console.error(err)
@@ -123,6 +132,11 @@ export async function connect (title: string): Promise<Client | undefined> {
     return
   }
 
+  let serverEndpoint = endpoint.replace(/^ws/g, 'http')
+  if (serverEndpoint.endsWith('/')) {
+    serverEndpoint = serverEndpoint.substring(0, serverEndpoint.length - 1)
+  }
+
   try {
     version = await _client.findOne<Version>(core.class.Version, {})
     console.log('Model version', version)
@@ -134,9 +148,36 @@ export async function connect (title: string): Promise<Client | undefined> {
 
       if (version === undefined || requiredVersion !== versionStr) {
         versionError = `${versionStr} => ${requiredVersion}`
+        setTimeout(() => {
+          window.location.reload()
+        }, 5000)
         return undefined
       }
     }
+
+    try {
+      const serverVersion: { version: string } = await (await fetch(serverEndpoint + '/api/v1/version', {})).json()
+
+      console.log('Server version', serverVersion.version)
+      if (
+        serverVersion.version !== '' &&
+        (version === undefined || serverVersion.version !== versionToString(version))
+      ) {
+        const versionStr = version !== undefined ? versionToString(version) : 'unknown'
+        versionError = `${versionStr} => ${serverVersion.version}`
+
+        setTimeout(() => {
+          window.location.reload()
+        }, 5000)
+        return
+      }
+    } catch (err: any) {
+      versionError = 'server version not available'
+      setTimeout(() => {
+        window.location.reload()
+      }, 5000)
+      return
+    }
   } catch (err: any) {
     console.log(err)
     const requirdVersion = getMetadata(presentation.metadata.RequiredVersion)
@@ -152,10 +193,6 @@ export async function connect (title: string): Promise<Client | undefined> {
   await setClient(_client)
 
   if (me.role === AccountRole.Owner) {
-    let ep = endpoint.replace(/^ws/g, 'http')
-    if (ep.endsWith('/')) {
-      ep = ep.substring(0, ep.length - 1)
-    }
     setMetadata(ui.metadata.ShowNetwork, (evt: MouseEvent) => {
       if (getMetadata(presentation.metadata.Token) == null) {
         return
@@ -164,7 +201,7 @@ export async function connect (title: string): Promise<Client | undefined> {
         showPopup(
           ServerManager,
           {
-            endpoint: ep,
+            endpoint: serverEndpoint,
             token
           },
           'content'

server/ws/src/server_http.ts

@@ -61,6 +61,15 @@ export function startHttpServer (
 
   const getUsers = (): any => Array.from(sessions.sessions.entries()).map(([k, v]) => v.session.getUser())
 
+  app.get('/api/v1/version', (req, res) => {
+    res.writeHead(200, { 'Content-Type': 'application/json' })
+    res.end(
+      JSON.stringify({
+        version: process.env.MODEL_VERSION
+      })
+    )
+  })
+
   app.get('/api/v1/statistics', (req, res) => {
     try {
       const token = req.query.token as string