Added tanstack query, basic auth logic.

.prettierrc

@@ -1,4 +1,5 @@
 {
+    "arrowParens": "avoid",
     "semi": true,
     "singleQuote": true,
     "tabWidth": 4,

package-lock.json

@@ -14,7 +14,7 @@
                 "@angular/forms": "^21.0.0",
                 "@angular/platform-browser": "^21.0.0",
                 "@angular/router": "^21.0.0",
-                "prettier": "^3.7.4",
+                "@tanstack/angular-query-experimental": "^5.90.16",
                 "rxjs": "~7.8.0",
                 "tslib": "^2.3.0"
             },
@@ -23,6 +23,7 @@
                 "@angular/cli": "^21.0.2",
                 "@angular/compiler-cli": "^21.0.0",
                 "jsdom": "^27.1.0",
+                "prettier": "^3.7.4",
                 "typescript": "~5.9.2",
                 "vitest": "^4.0.8"
             }
@@ -3891,6 +3892,47 @@
             "license": "MIT",
             "peer": true
         },
+        "node_modules/@tanstack/angular-query-experimental": {
+            "version": "5.90.16",
+            "resolved": "https://registry.npmjs.org/@tanstack/angular-query-experimental/-/angular-query-experimental-5.90.16.tgz",
+            "integrity": "sha512-ezXyxuaSA6kpwUxwrxo5Tf3B7KL7mb7cxhLnun/RMlw6h3ZQJzl1cJgrvN97+C0AeHoucmK7RwhEoIY12gY7WA==",
+            "license": "MIT",
+            "dependencies": {
+                "@tanstack/query-core": "5.90.12"
+            },
+            "funding": {
+                "type": "github",
+                "url": "https://github.com/sponsors/tannerlinsley"
+            },
+            "optionalDependencies": {
+                "@tanstack/query-devtools": "5.91.1"
+            },
+            "peerDependencies": {
+                "@angular/common": ">=16.0.0",
+                "@angular/core": ">=16.0.0"
+            }
+        },
+        "node_modules/@tanstack/query-core": {
+            "version": "5.90.12",
+            "resolved": "https://registry.npmjs.org/@tanstack/query-core/-/query-core-5.90.12.tgz",
+            "integrity": "sha512-T1/8t5DhV/SisWjDnaiU2drl6ySvsHj1bHBCWNXd+/T+Hh1cf6JodyEYMd5sgwm+b/mETT4EV3H+zCVczCU5hg==",
+            "license": "MIT",
+            "funding": {
+                "type": "github",
+                "url": "https://github.com/sponsors/tannerlinsley"
+            }
+        },
+        "node_modules/@tanstack/query-devtools": {
+            "version": "5.91.1",
+            "resolved": "https://registry.npmjs.org/@tanstack/query-devtools/-/query-devtools-5.91.1.tgz",
+            "integrity": "sha512-l8bxjk6BMsCaVQH6NzQEE/bEgFy1hAs5qbgXl0xhzezlaQbPk6Mgz9BqEg2vTLPOHD8N4k+w/gdgCbEzecGyNg==",
+            "license": "MIT",
+            "optional": true,
+            "funding": {
+                "type": "github",
+                "url": "https://github.com/sponsors/tannerlinsley"
+            }
+        },
         "node_modules/@tufjs/canonical-json": {
             "version": "2.0.0",
             "resolved": "https://registry.npmjs.org/@tufjs/canonical-json/-/canonical-json-2.0.0.tgz",
@@ -7272,6 +7314,7 @@
             "version": "3.7.4",
             "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.7.4.tgz",
             "integrity": "sha512-v6UNi1+3hSlVvv8fSaoUbggEM5VErKmmpGA7Pl3HF8V6uKY7rvClBOJlH6yNwQtfTueNkGVpOv/mtWL9L4bgRA==",
+            "dev": true,
             "license": "MIT",
             "bin": {
                 "prettier": "bin/prettier.cjs"

package.json

@@ -29,6 +29,7 @@
         "@angular/forms": "^21.0.0",
         "@angular/platform-browser": "^21.0.0",
         "@angular/router": "^21.0.0",
+        "@tanstack/angular-query-experimental": "^5.90.16",
         "rxjs": "~7.8.0",
         "tslib": "^2.3.0"
     },

src/app/app.config.ts

@@ -2,7 +2,16 @@ import { ApplicationConfig, provideBrowserGlobalErrorListeners } from '@angular/
 import { provideRouter } from '@angular/router';
 
 import { routes } from './app.routes';
+import { provideHttpClient, withInterceptors } from '@angular/common/http';
+import { authInterceptor } from './interceptor/auth.interceptor';
+import { provideTanStackQuery, QueryClient } from '@tanstack/angular-query-experimental';
+import { withDevtools } from '@tanstack/angular-query-experimental/devtools';
 
 export const appConfig: ApplicationConfig = {
-    providers: [provideBrowserGlobalErrorListeners(), provideRouter(routes)]
+    providers: [
+        provideBrowserGlobalErrorListeners(),
+        provideRouter(routes),
+        provideHttpClient(withInterceptors([authInterceptor])),
+        provideTanStackQuery(new QueryClient(), withDevtools()),
+    ],
 };

src/app/app.html

@@ -1,4 +1,4 @@
 <main>
-    <h1>Meals Made Easy</h1>
+    <app-header />
     <router-outlet />
 </main>

src/app/app.routes.ts

@@ -1,9 +1,14 @@
 import { Routes } from '@angular/router';
 import { RecipeView } from './recipe-view/recipe-view.component';
+import { RecipesPage } from './recipes-page/recipes-page';
 
 export const routes: Routes = [
+    {
+        path: '',
+        component: RecipesPage,
+    },
     {
         path: 'recipes/:username/:slug',
-        component: RecipeView
+        component: RecipeView,
-    }
+    },
 ];

src/app/app.ts

@@ -1,9 +1,10 @@
 import { Component, signal } from '@angular/core';
 import { RouterOutlet } from '@angular/router';
+import { Header } from './header/header';
 
 @Component({
     selector: 'app-root',
-    imports: [RouterOutlet],
+    imports: [RouterOutlet, Header],
     templateUrl: './app.html',
     styleUrl: './app.css',
 })

src/app/header/header.html

@@ -0,0 +1,7 @@
+<h1>Meals Made Easy</h1>
+@if (username(); as username) {
+    <h3>Welcome {{ username }}</h3>
+}
+<button (click)="loginClick()">Login</button>
+<button (click)="logoutClick()">Logout</button>
+<a [routerLink]="'/'">Browse Recipes</a>

src/app/header/header.spec.ts

@@ -0,0 +1,22 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { Header } from './header';
+
+describe('Header', () => {
+    let component: Header;
+    let fixture: ComponentFixture<Header>;
+
+    beforeEach(async () => {
+        await TestBed.configureTestingModule({
+            imports: [Header],
+        }).compileComponents();
+
+        fixture = TestBed.createComponent(Header);
+        component = fixture.componentInstance;
+        await fixture.whenStable();
+    });
+
+    it('should create', () => {
+        expect(component).toBeTruthy();
+    });
+});

src/app/header/header.ts

@@ -0,0 +1,25 @@
+import { Component, inject, signal } from '@angular/core';
+import { AuthService } from '../service/auth.service';
+import { RouterLink } from '@angular/router';
+
+@Component({
+    selector: 'app-header',
+    imports: [RouterLink],
+    templateUrl: './header.html',
+    styleUrl: './header.css',
+})
+export class Header {
+    private readonly authService = inject(AuthService);
+
+    protected readonly username = signal<string | null>(null);
+
+    protected async loginClick() {
+        const loginView = await this.authService.login('test-user', 'test');
+        this.username.set(loginView.username);
+    }
+
+    protected async logoutClick() {
+        await this.authService.logout();
+        this.username.set(null);
+    }
+}

src/app/interceptor/auth.interceptor.ts

@@ -0,0 +1,17 @@
+import { HttpInterceptorFn } from '@angular/common/http';
+import { inject } from '@angular/core';
+import { AuthStore } from '../service/auth.store';
+
+export const authInterceptor: HttpInterceptorFn = (req, next) => {
+    const authStore = inject(AuthStore);
+    const token = authStore.getAccessToken();
+    if (token) {
+        return next(
+            req.clone({
+                headers: req.headers.set('Authorization', `Bearer ${token}`),
+            }),
+        );
+    } else {
+        return next(req);
+    }
+};

src/app/model/LoginView.model.ts

@@ -0,0 +1,5 @@
+export interface LoginView {
+    username: string;
+    accessToken: string;
+    expires: string;
+}

src/app/model/Recipe.model.ts

@@ -14,12 +14,23 @@ export interface RecipeView {
 
 export interface Recipe {
     id: number;
-    title: string;
     mainImage: ImageView;
+    owner: ResourceOwner;
+    slug: string;
     text: string;
+    title: string;
+}
+
+export interface ResourceOwner {
+    id: number;
+    username: string;
 }
 
 export interface ImageView {
     alt: string;
+    filename: string;
+    height: number | null;
+    owner: ResourceOwner;
     url: string;
+    width: number | null;
 }

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

@@ -1,3 +1,10 @@
 <h1>{{ recipe.title }}</h1>
-<img [ngSrc]="recipe.mainImage.url" [alt]="recipe.mainImage.alt" [width]="600" [height]="400">
+@if (mainImageUrl.isSuccess()) {
+    <img
+        [src]="mainImageUrl.data()"
+        [alt]="recipe.mainImage.alt"
+        [height]="recipe.mainImage.height"
+        [width]="recipe.mainImage.width"
+    />
+}
 <div [innerHTML]="recipe.text"></div>

src/app/recipe-view/recipe-view-card/recipe-view-card.component.spec.ts

@@ -3,21 +3,20 @@ import { ComponentFixture, TestBed } from '@angular/core/testing';
 import { RecipeViewCard } from './recipe-view-card.component';
 
 describe('Card', () => {
-  let component: RecipeViewCard;
+    let component: RecipeViewCard;
-  let fixture: ComponentFixture<RecipeViewCard>;
+    let fixture: ComponentFixture<RecipeViewCard>;
 
-  beforeEach(async () => {
+    beforeEach(async () => {
-    await TestBed.configureTestingModule({
+        await TestBed.configureTestingModule({
-      imports: [RecipeViewCard]
+            imports: [RecipeViewCard],
-    })
+        }).compileComponents();
-    .compileComponents();
 
-    fixture = TestBed.createComponent(RecipeViewCard);
+        fixture = TestBed.createComponent(RecipeViewCard);
-    component = fixture.componentInstance;
+        component = fixture.componentInstance;
-    await fixture.whenStable();
+        await fixture.whenStable();
-  });
+    });
 
-  it('should create', () => {
+    it('should create', () => {
-    expect(component).toBeTruthy();
+        expect(component).toBeTruthy();
-  });
+    });
 });

src/app/recipe-view/recipe-view-card/recipe-view-card.component.ts

@@ -1,18 +1,22 @@
-import { Component, Input } from '@angular/core';
+import { Component, inject, Input } from '@angular/core';
 import { Recipe } from '../../model/Recipe.model';
-import { NgOptimizedImage } from '@angular/common';
+import { injectQuery } from '@tanstack/angular-query-experimental';
+import { ImageService } from '../../service/image.service';
 
 @Component({
-  selector: 'app-recipe-view-card',
+    selector: 'app-recipe-view-card',
-    imports: [
+    imports: [],
-        NgOptimizedImage
+    templateUrl: './recipe-view-card.component.html',
-    ],
+    styleUrl: './recipe-view-card.component.css',
-  templateUrl: './recipe-view-card.component.html',
-  styleUrl: './recipe-view-card.component.css',
 })
 export class RecipeViewCard {
-
     @Input({ required: true })
     public recipe!: Recipe;
 
+    private readonly imageService = inject(ImageService);
+
+    protected mainImageUrl = injectQuery(() => ({
+        queryKey: ['images', this.recipe.mainImage.owner.username, this.recipe.mainImage.filename],
+        queryFn: () => this.imageService.getImage(this.recipe.mainImage.url),
+    }));
 }

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

@@ -1,5 +1,9 @@
 @if (recipe.isLoading()) {
     <p>Loading...</p>
-} @else if (recipe.hasValue()) {
+} @else if (recipe.isSuccess()) {
-    <app-recipe-view-card [recipe]="recipe.value()"></app-recipe-view-card>
+    <app-recipe-view-card [recipe]="recipe.data()"></app-recipe-view-card>
+} @else if (recipe.error(); as error) {
+    <p>{{ error }}</p>
+} @else {
+    <p>There was an error loading the recipe.</p>
 }

src/app/recipe-view/recipe-view.component.ts

@@ -2,12 +2,11 @@ import { Component, inject, resource } from '@angular/core';
 import { ActivatedRoute } from '@angular/router';
 import { RecipeService } from '../recipe.service';
 import { RecipeViewCard } from './recipe-view-card/recipe-view-card.component';
+import { injectQuery } from '@tanstack/angular-query-experimental';
 
 @Component({
     selector: 'app-recipe-view',
-    imports: [
+    imports: [RecipeViewCard],
-        RecipeViewCard
-    ],
     templateUrl: './recipe-view.component.html',
     styleUrl: './recipe-view.component.css',
 })
@@ -17,9 +16,8 @@ export class RecipeView {
     private username = this.route.snapshot.paramMap.get('username') as string;
     private slug = this.route.snapshot.paramMap.get('slug') as string;
 
-    protected recipe = resource({
+    protected recipe = injectQuery(() => ({
-        loader: () => {
+        queryKey: ['recipe', this.username, this.slug],
-            return this.recipeService.getRecipe(this.username, this.slug);
+        queryFn: () => this.recipeService.getRecipe(this.username, this.slug),
-        },
+    }));
-    });
 }

src/app/recipe.service.ts

@@ -1,6 +1,6 @@
 import { inject, Injectable } from '@angular/core';
 import { HttpClient } from '@angular/common/http';
-import { map, Observable } from 'rxjs';
+import { firstValueFrom, map } from 'rxjs';
 import { Recipe, RecipeInfoViews, RecipeView } from './model/Recipe.model';
 
 @Injectable({
@@ -9,15 +9,19 @@ import { Recipe, RecipeInfoViews, RecipeView } from './model/Recipe.model';
 export class RecipeService {
     private readonly http = inject(HttpClient);
 
-    public getRecipes(): Observable<Recipe[]> {
+    public getRecipes(): Promise<Recipe[]> {
-        return this.http
+        return firstValueFrom(
-            .get<RecipeInfoViews>('http://localhost:8080/recipes')
+            this.http
-            .pipe(map((res) => res.content));
+                .get<RecipeInfoViews>('http://localhost:8080/recipes')
+                .pipe(map((res) => res.content)),
+        );
     }
 
     public async getRecipe(username: string, slug: string): Promise<Recipe> {
-        const res = await fetch(`http://localhost:8080/recipes/${username}/${slug}`)
+        return firstValueFrom(
-        const recipeView = await res.json() as RecipeView;
+            this.http
-        return recipeView.recipe;
+                .get<RecipeView>(`http://localhost:8080/recipes/${username}/${slug}`)
+                .pipe(map((recipeView) => recipeView.recipe)),
+        );
     }
 }

src/app/recipes-page/recipes-page.html

@@ -0,0 +1,11 @@
+@if (recipes.isSuccess()) {
+    <ul>
+        @for (recipe of recipes.data(); track recipe.id) {
+            <li>
+                <a [routerLink]="['recipes', recipe.owner.username, recipe.slug]">{{
+                    recipe.title
+                }}</a>
+            </li>
+        }
+    </ul>
+}

src/app/recipes-page/recipes-page.spec.ts

@@ -0,0 +1,22 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { RecipesPage } from './recipes-page';
+
+describe('RecipesPage', () => {
+    let component: RecipesPage;
+    let fixture: ComponentFixture<RecipesPage>;
+
+    beforeEach(async () => {
+        await TestBed.configureTestingModule({
+            imports: [RecipesPage],
+        }).compileComponents();
+
+        fixture = TestBed.createComponent(RecipesPage);
+        component = fixture.componentInstance;
+        await fixture.whenStable();
+    });
+
+    it('should create', () => {
+        expect(component).toBeTruthy();
+    });
+});

src/app/recipes-page/recipes-page.ts

@@ -0,0 +1,19 @@
+import { Component, inject } from '@angular/core';
+import { RecipeService } from '../recipe.service';
+import { injectQuery } from '@tanstack/angular-query-experimental';
+import { RouterLink } from '@angular/router';
+
+@Component({
+    selector: 'app-recipes-page',
+    imports: [RouterLink],
+    templateUrl: './recipes-page.html',
+    styleUrl: './recipes-page.css',
+})
+export class RecipesPage {
+    private readonly recipeService = inject(RecipeService);
+
+    protected readonly recipes = injectQuery(() => ({
+        queryKey: ['recipes'],
+        queryFn: () => this.recipeService.getRecipes(),
+    }));
+}

src/app/service/auth.service.spec.ts

@@ -0,0 +1,16 @@
+import { TestBed } from '@angular/core/testing';
+
+import { AuthService } from './auth.service';
+
+describe('LoginService', () => {
+    let service: AuthService;
+
+    beforeEach(() => {
+        TestBed.configureTestingModule({});
+        service = TestBed.inject(AuthService);
+    });
+
+    it('should be created', () => {
+        expect(service).toBeTruthy();
+    });
+});

src/app/service/auth.service.ts

@@ -0,0 +1,38 @@
+import { inject, Injectable } 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';
+
+@Injectable({
+    providedIn: 'root',
+})
+export class AuthService {
+    private readonly http = inject(HttpClient);
+    private readonly authStore = inject(AuthStore);
+    private readonly queryClient = inject(QueryClient);
+    private readonly router = inject(Router);
+
+    public async login(username: string, password: string): Promise<LoginView> {
+        const loginView = await firstValueFrom(
+            this.http
+                .post<LoginView>('http://localhost:8080/auth/login', { username, password })
+                .pipe(
+                    tap((loginView) => {
+                        this.authStore.setAccessToken(loginView.accessToken);
+                        this.authStore.setUsername(loginView.username);
+                    }),
+                ),
+        );
+        await this.queryClient.invalidateQueries();
+        return loginView;
+    }
+
+    public async logout(): Promise<void> {
+        await firstValueFrom(this.http.post('http://localhost:8080/auth/logout', null));
+        await this.queryClient.invalidateQueries();
+        await this.router.navigate(['/']);
+    }
+}

src/app/service/auth.store.ts

@@ -0,0 +1,25 @@
+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();
+    }
+}

src/app/service/image.service.ts

@@ -0,0 +1,20 @@
+import { inject, Injectable } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+import { firstValueFrom, map } from 'rxjs';
+
+@Injectable({
+    providedIn: 'root',
+})
+export class ImageService {
+    private readonly httpClient = inject(HttpClient);
+
+    public getImage(backendUrl: string): Promise<string> {
+        return firstValueFrom(
+            this.httpClient
+                .get(backendUrl, {
+                    responseType: 'blob',
+                })
+                .pipe(map((blob) => URL.createObjectURL(blob))),
+        );
+    }
+}