Ported:

Guest Book
  Save bill
  Update bill
  Show bill

Fix:
  Tax details was sending the rate multiplied by 100 but not dividing it on save/update

Feature:
  Updated the auth service to check local storage for the latest user token

bookie/src/app/auth/auth.service.ts

@@ -16,22 +16,39 @@ export class AuthService {
   public currentUser: Observable<User>;
 
   constructor(private http: HttpClient) {
-    this.currentUserSubject = new BehaviorSubject<User>(JSON.parse(localStorage.getItem(JWT_USER)));
+    this.checkStorage();
     this.currentUser = this.currentUserSubject.asObservable();
   }
 
+  checkStorage(): User {
+    const existingToken: User = JSON.parse(localStorage.getItem(JWT_USER));
+    if (existingToken === null || Date.now() > existingToken.exp * 1000) {
+      localStorage.removeItem(JWT_USER);
+      this.currentUserSubject = new BehaviorSubject<User>(null);
+      return null;
+    } else {
+      this.currentUserSubject = new BehaviorSubject<User>(existingToken);
+      return existingToken;
+    }
+  }
+
   public get user(): User {
-    const val = this.currentUserSubject.value;
+    let val = this.currentUserSubject.value;
     if (val == null) {
       return val;
     }
-    const expired = Date.now() > val.exp * 1000;
+    let expired = Date.now() > val.exp * 1000;
+    if (expired) {
+      val = this.checkStorage();
+    }
+    if (val == null) {
+      return null;
+    }
+    expired = Date.now() > val.exp * 1000;
     if (expired) {
       this.logout();
-      return null;
-    } else {
-      return this.currentUserSubject.value;
     }
+    return this.currentUserSubject.value;
   }
 
   login(username: string, password: string, otp: string) {
@@ -73,10 +90,6 @@ export class AuthService {
     return Date.now() > (this.user.exp - (environment.ACCESS_TOKEN_REFRESH_MINUTES * 60)) * 1000;
   }
 
-  expired(): boolean {
-    return Date.now() > this.user.exp * 1000;
-  }
-
   logout() {
     // remove user from local storage to log user out
     localStorage.removeItem(JWT_USER);