improve chat token timer

src/app/services/chat.service.ts

@@ -354,7 +354,7 @@ export class ChatService {
             headers: this.headers,
           };
 
-          this.resetTimer()
+          this.resetTimer();
         }
       }
     } catch (error) {
@@ -370,18 +370,26 @@ export class ChatService {
         headers: this.headers
       };
       
-      let res = await this.http.get(environment.apiURL + 'UserAuthentication/RegenereChatToken', options).toPromise();
-
-      let data = {
-        status: res['status'],
-        data: {
-          userId: res['data'].userId,
-          authToken: res['data'].authToken
+      try {
+        let res = await this.http.get(environment.apiURL + 'UserAuthentication/RegenereChatToken', options).toPromise();
+      
+        let data = {
+          status: res['status'],
+          data: {
+            userId: res['data'].userId,
+            authToken: res['data'].authToken
+          }
         }
+        SessionStore.user.ChatData = data
+        SessionStore.save()
+        this.setheader()
+        this.timerEventTriggerDateLastUpdate = new Date();
+      } catch (error) {
+
+        this.resetTimer();
+
       }
-      SessionStore.user.ChatData = data
-      SessionStore.save()
-      this.setheader()
+
 
     } else {
       this.setheader()
@@ -391,10 +399,15 @@ export class ChatService {
 
 
   functionTimer = null;
+  timerEventTriggerDate = null
+  timerEventTriggerDateLastUpdate = null
 
   resetTimer() {
     clearTimeout(this.functionTimer);
-    this.functionTimer = setTimeout(()=>{
+    this.timerEventTriggerDate = new Date(+new Date() + 60000*15);
+
+    this.functionTimer = setTimeout(() => {
+      this.timerEventTriggerDateLastUpdate = new Date();
       this.refreshtoken();
     }, 60000 * 5);  // time is in milliseconds
   }