add inactivity

src/app/store/session.service.ts

@@ -7,7 +7,7 @@ import { UserSession } from '../models/user.model';
 @Injectable({
   providedIn: 'root'
 })
-export class SessionService {
+class SessionService {
 
   // main data
   private _user = new UserSession()
@@ -54,11 +54,16 @@ export class SessionService {
   }
 
   needTovalidateUser() {
-    return this._user.Inativity
+    return this._user.Inactivity
   }
 
   setInativity(value: boolean) {
-    this._user.Inativity = value
+    this._user.Inactivity = value
+    this.save()
+  }
+
+  setUrlBeforeInactivity(pathname: string) {
+    this._user.UrlBeforeInactivity = pathname
     this.save()
   }