fix pulse issues (#10144)

Signed-off-by: Alexander Onnikov <Alexander.Onnikov@xored.com>

packages/presentation/src/pulse.ts

@@ -15,24 +15,50 @@ import { HulypulseClient } from '@hcengineering/hulypulse-client'
 import { getMetadata } from '@hcengineering/platform'
 import presentation from './plugin'
 
-let pulseClient: HulypulseClient | undefined
+let currentWorkspaceUuid: string | undefined
 let currentToken: string | undefined
+let promise: Promise<HulypulseClient | undefined> | undefined
 
 export async function createPulseClient (): Promise<HulypulseClient | undefined> {
-  const token = getMetadata(presentation.metadata.Token)
-  if (token !== currentToken) {
+  const pulseUrl = getMetadata(presentation.metadata.PulseUrl) ?? ''
+  const token = getMetadata(presentation.metadata.Token) ?? ''
+  const workspaceUuid = getMetadata(presentation.metadata.WorkspaceUuid) ?? ''
+
+  if (pulseUrl === '' || token === '' || workspaceUuid === '') {
+    return undefined
+  }
+
+  // Token or workspace changed, need to reconnect
+  if (token !== currentToken || workspaceUuid !== currentWorkspaceUuid) {
     closePulseClient()
   }
-  if (pulseClient === undefined) {
-    const wsPulseUrl = getMetadata(presentation.metadata.PulseUrl)
-    if (wsPulseUrl == null || wsPulseUrl.trim().length === 0) return undefined
-    pulseClient = await HulypulseClient.connect(`${wsPulseUrl}?token=${token}`)
-    currentToken = token
+
+  if (promise !== undefined) {
+    // eslint-disable-next-line @typescript-eslint/return-await
+    return promise
   }
-  return pulseClient
+
+  promise = new Promise((resolve) => {
+    HulypulseClient.connect(`${pulseUrl}?token=${token}`)
+      .then(resolve)
+      .catch(() => {
+        resolve(undefined)
+      })
+  })
+  currentToken = token
+  currentWorkspaceUuid = workspaceUuid
+
+  // eslint-disable-next-line @typescript-eslint/return-await
+  return promise
 }
 
 export function closePulseClient (): void {
-  pulseClient?.close()
-  pulseClient = undefined
+  if (promise !== undefined) {
+    void promise.then((client) => {
+      client?.close()
+    })
+  }
+  promise = undefined
+  currentToken = undefined
+  currentWorkspaceUuid = undefined
 }