Remove auth store, move signals around to auth service.

src/app/header/header.html

@@ -1,7 +1,8 @@
 <h1>Meals Made Easy</h1>
-@if (username(); as username) {
-    <h3>Welcome {{ username }}</h3>
-}
-<button (click)="loginClick()">Login</button>
+@if (isLoggedIn()) {
+    <h3>Welcome {{ username() }}!</h3>
     <button (click)="logoutClick()">Logout</button>
+} @else {
+    <button (click)="loginClick()">Login</button>
+}
 <a [routerLink]="'/'">Browse Recipes</a>

src/app/header/header.ts

@@ -1,4 +1,4 @@
-import { Component, inject, signal } from '@angular/core';
+import { Component, computed, inject } from '@angular/core';
 import { AuthService } from '../service/auth.service';
 import { RouterLink } from '@angular/router';
 
@@ -11,15 +11,14 @@ import { RouterLink } from '@angular/router';
 export class Header {
     private readonly authService = inject(AuthService);
 
-    protected readonly username = signal<string | null>(null);
+    protected readonly username = this.authService.username;
+    protected readonly isLoggedIn = computed(() => !!this.authService.accessToken());
 
     protected async loginClick() {
-        const loginView = await this.authService.login('test-user', 'test');
-        this.username.set(loginView.username);
+        await this.authService.login('test-user', 'test');
     }
 
     protected async logoutClick() {
         await this.authService.logout();
-        this.username.set(null);
     }
 }

src/app/interceptor/auth.interceptor.ts

@@ -1,10 +1,10 @@
 import { HttpInterceptorFn } from '@angular/common/http';
 import { inject } from '@angular/core';
-import { AuthStore } from '../service/auth.store';
+import { AuthService } from '../service/auth.service';
 
 export const authInterceptor: HttpInterceptorFn = (req, next) => {
-    const authStore = inject(AuthStore);
-    const token = authStore.getAccessToken();
+    const authService = inject(AuthService);
+    const token = authService.accessToken();
     if (token) {
         return next(
             req.clone({

src/app/model/ImageView.model.ts

@@ -1,4 +1,4 @@
-import { ResourceOwner } from "./ResourceOwner.model";
+import { ResourceOwner } from './ResourceOwner.model';
 
 export interface ImageView {
     alt: string;

src/app/model/Recipe.model.ts

@@ -23,4 +23,3 @@ export interface Recipe {
     text: string;
     title: string;
 }
-

src/app/recipe-view/recipe-view.html

@@ -3,7 +3,7 @@
 } @else if (recipe.isSuccess()) {
     <app-recipe-view-card [recipe]="recipe.data()"></app-recipe-view-card>
 } @else if (recipe.error(); as error) {
-    <p>{{ error }}</p>
+    <p>{{ error.message }}</p>
 } @else {
     <p>There was an error loading the recipe.</p>
 }

src/app/service/auth.service.ts

@@ -1,8 +1,7 @@
-import { inject, Injectable } from '@angular/core';
+import { inject, Injectable, Signal, signal } from '@angular/core';
 import { HttpClient } from '@angular/common/http';
 import { LoginView } from '../model/LoginView.model';
 import { firstValueFrom, tap } from 'rxjs';
-import { AuthStore } from './auth.store';
 import { QueryClient } from '@tanstack/angular-query-experimental';
 import { Router } from '@angular/router';
 
@@ -10,8 +9,13 @@ import { Router } from '@angular/router';
     providedIn: 'root',
 })
 export class AuthService {
+    private readonly _accessToken = signal<string | null>(null);
+    private readonly _username = signal<string | null>(null);
+
+    public readonly accessToken: Signal<string | null> = this._accessToken;
+    public readonly username: Signal<string | null> = this._username;
+
     private readonly http = inject(HttpClient);
-    private readonly authStore = inject(AuthStore);
     private readonly queryClient = inject(QueryClient);
     private readonly router = inject(Router);
 
@@ -21,8 +25,8 @@ export class AuthService {
                 .post<LoginView>('http://localhost:8080/auth/login', { username, password })
                 .pipe(
                     tap((loginView) => {
-                        this.authStore.setAccessToken(loginView.accessToken);
-                        this.authStore.setUsername(loginView.username);
+                        this._accessToken.set(loginView.accessToken);
+                        this._username.set(loginView.username);
                     }),
                 ),
         );
@@ -32,7 +36,9 @@ export class AuthService {
 
     public async logout(): Promise<void> {
         await firstValueFrom(this.http.post('http://localhost:8080/auth/logout', null));
-        await this.queryClient.invalidateQueries();
+        this._username.set(null);
+        this._accessToken.set(null);
         await this.router.navigate(['/']);
+        await this.queryClient.invalidateQueries();
     }
 }

src/app/service/auth.store.ts

@@ -1,25 +0,0 @@
-import { Injectable, signal } from '@angular/core';
-
-@Injectable({
-    providedIn: 'root',
-})
-export class AuthStore {
-    private readonly accessToken = signal<string | null>(null);
-    private readonly username = signal<string | null>(null);
-
-    public setAccessToken(accessToken: string | null): void {
-        this.accessToken.set(accessToken);
-    }
-
-    public getAccessToken(): string | null {
-        return this.accessToken();
-    }
-
-    public setUsername(username: string | null): void {
-        this.username.set(username);
-    }
-
-    public getUsername(): string | null {
-        return this.username();
-    }
-}