style: clean up import statements for consistency

Reviewed-on: #172
Reviewed-by: Jan-Marlon Leibl <jleibl@proton.me>

frontend/src/app/feature/transaction-history/transaction-history.component.ts

@@ -1,11 +1,4 @@
-import {
-  ChangeDetectionStrategy,
-  Component,
-  EventEmitter,
-  inject,
-  Input,
-  Output,
-} from '@angular/core';
+import { ChangeDetectionStrategy, Component, EventEmitter, inject, Input, Output } from '@angular/core';
 import { TransactionService } from '@service/transaction.service';
 import { Observable } from 'rxjs';
 import { AsyncPipe, CurrencyPipe, DatePipe, NgIf } from '@angular/common';

frontend/src/app/service/auth.service.ts

@@ -18,24 +18,21 @@ export class AuthService {
   private authUrl = `${environment.apiUrl}/auth`;
   private userUrl = `${environment.apiUrl}/users`;
 
-  private currentUserSubject: BehaviorSubject<User | null>;
-  public currentUser: Observable<User | null>;
+  userSubject: BehaviorSubject<User | null>;
 
   constructor(
     private http: HttpClient,
     private router: Router
   ) {
-    this.currentUserSubject = new BehaviorSubject<User | null>(this.getUserFromStorage());
-    this.currentUser = this.currentUserSubject.asObservable();
+    this.userSubject = new BehaviorSubject<User | null>(this.getUserFromStorage());
 
-    // Check if token exists and load user data
     if (this.getToken()) {
       this.loadCurrentUser();
     }
   }
 
   public get currentUserValue(): User | null {
-    return this.currentUserSubject.value;
+    return this.userSubject.value;
   }
 
   login(loginRequest: LoginRequest): Observable<AuthResponse> {
@@ -54,7 +51,7 @@ export class AuthService {
   logout(): void {
     localStorage.removeItem(TOKEN_KEY);
     localStorage.removeItem(USER_KEY);
-    this.currentUserSubject.next(null);
+    this.userSubject.next(null);
     this.router.navigate(['/']);
   }
 
@@ -83,7 +80,7 @@ export class AuthService {
 
   private setUser(user: User): void {
     localStorage.setItem(USER_KEY, JSON.stringify(user));
-    this.currentUserSubject.next(user);
+    this.userSubject.next(user);
   }
 
   private getUserFromStorage(): User | null {

frontend/src/app/shared/components/navbar/navbar.component.ts

@@ -10,7 +10,6 @@ import { RouterModule } from '@angular/router';
 import { AuthService } from '@service/auth.service';
 import { Subscription } from 'rxjs';
 import { AnimatedNumberComponent } from '@blackjack/components/animated-number/animated-number.component';
-import { UserService } from '@service/user.service';
 
 @Component({
   selector: 'app-navbar',
@@ -24,29 +23,19 @@ export class NavbarComponent implements OnInit, OnDestroy {
   private authService: AuthService = inject(AuthService);
   isLoggedIn = this.authService.isLoggedIn();
 
-  private userSubscription: Subscription | undefined;
-  private authSubscription: Subscription | undefined;
+  private authSubscription!: Subscription;
   public balance = signal(0);
-  private userService = inject(UserService);
 
   ngOnInit() {
-    // Subscribe to auth changes
-    this.authSubscription = this.authService.currentUser.subscribe((user) => {
-      this.isLoggedIn = !!user;
-      this.balance.set(user?.balance ?? 0);
-      console.log('Updated navbar balance:', user?.balance);
+    this.authSubscription = this.authService.userSubject.subscribe({
+      next: (user) => {
+        this.balance.set(user?.balance ?? 0);
+      },
     });
-
-    this.userService.refreshCurrentUser();
   }
 
   ngOnDestroy() {
-    if (this.userSubscription) {
-      this.userSubscription.unsubscribe();
-    }
-    if (this.authSubscription) {
-      this.authSubscription.unsubscribe();
-    }
+    this.authSubscription.unsubscribe();
   }
 
   logout() {