Implementation of login and logout mechanisms.

sportshub-gui/package-lock.json

@@ -18,6 +18,7 @@
         "@angular/platform-browser": "^17.0.0",
         "@angular/platform-browser-dynamic": "^17.0.0",
         "@angular/router": "^17.0.0",
+        "ngx-cookie-service": "^17.0.0",
         "rxjs": "~7.8.0",
         "tslib": "^2.3.0",
         "zone.js": "~0.14.2"
@@ -13096,6 +13097,18 @@
       "integrity": "sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw==",
       "dev": true
     },
+    "node_modules/ngx-cookie-service": {
+      "version": "17.0.0",
+      "resolved": "https://registry.npmjs.org/ngx-cookie-service/-/ngx-cookie-service-17.0.0.tgz",
+      "integrity": "sha512-5mCitsrcUPBlHSzZH1NNKGTwd9NDVq1AD3lXN6XxqtgL+aFRguNyVaEUYADlx37JBnI1LAnN6PE6Z+wK9CpRvw==",
+      "dependencies": {
+        "tslib": "^2.6.2"
+      },
+      "peerDependencies": {
+        "@angular/common": "^17.0.0",
+        "@angular/core": "^17.0.0"
+      }
+    },
     "node_modules/nice-napi": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/nice-napi/-/nice-napi-1.0.2.tgz",

sportshub-gui/package.json

@@ -20,6 +20,7 @@
     "@angular/platform-browser": "^17.0.0",
     "@angular/platform-browser-dynamic": "^17.0.0",
     "@angular/router": "^17.0.0",
+    "ngx-cookie-service": "^17.0.0",
     "rxjs": "~7.8.0",
     "tslib": "^2.3.0",
     "zone.js": "~0.14.2"

sportshub-gui/src/app/app.component.scss

@@ -0,0 +1,8 @@
+:host {
+  display: flex;
+  flex-direction: column;
+
+  app-header {
+    margin-bottom: 1em;
+  }
+}

sportshub-gui/src/app/app.routes.ts

@@ -8,5 +8,9 @@ export const routes: Routes = [
   {
     path: 'login',
     loadChildren: () => import('./components/login/login.module').then(module => module.LoginModule)
+  },
+  {
+    path: 'logout',
+    loadChildren: () => import('./components/logout/logout.module').then(module => module.LogoutModule)
   }
 ];

sportshub-gui/src/app/components/login/login.component.ts

@@ -3,6 +3,7 @@ import {FormBuilder, FormControl, FormGroup, Validators} from "@angular/forms";
 import {UserRestService} from "../../core/rest-services/user.rest-service";
 import {LoginRequest} from "../../core/model/login-request";
 import {MatSnackBar} from "@angular/material/snack-bar";
+import {LoginService} from "./login.service";
 
 @Component({
   selector: 'app-login',
@@ -15,6 +16,7 @@ export class LoginComponent {
 
   constructor(
     private formBuilder: FormBuilder,
+    private loginService: LoginService,
     private matSnackBar: MatSnackBar,
     private userRestService: UserRestService
   ) {
@@ -25,14 +27,7 @@ export class LoginComponent {
   }
 
   onSubmit(): void {
-    this.isLoginPending = true;
     const loginRequest: LoginRequest = this.loginForm.value;
-    this.userRestService.login(loginRequest)
+    this.loginService.login(loginRequest);
-      .then(loginResponse => {
-        this.matSnackBar.open('Login success!', 'Close', { duration: 5000 });
-      })
-      .catch(error => {
-        this.matSnackBar.open('An error occured while login.', 'Close', { duration: 5000 });
-      });
   }
 }

sportshub-gui/src/app/components/login/login.module.ts

@@ -4,6 +4,7 @@ import {CoreModule} from "../../core/core.module";
 import {MatSnackBarModule} from "@angular/material/snack-bar";
 import {RouterModule} from "@angular/router";
 import {HttpClientModule} from "@angular/common/http";
+import {LoginService} from "./login.service";
 
 const routes = [
   {
@@ -16,6 +17,9 @@ const routes = [
   declarations: [
     LoginComponent
   ],
+  providers: [
+    LoginService
+  ],
   imports: [
     CoreModule,
     RouterModule.forChild(routes),

sportshub-gui/src/app/components/login/login.service.ts

@@ -0,0 +1,37 @@
+import {Injectable} from "@angular/core";
+import {UserRestService} from "../../core/rest-services/user.rest-service";
+import {LoginRequest} from "../../core/model/login-request";
+import {Subject} from "rxjs";
+import {MessageService} from "../../core/services/message.service";
+import {AuthenticationService} from "../../core/services/authentication.service";
+import {Router} from "@angular/router";
+
+@Injectable()
+export class LoginService {
+  private isLoginPending: Subject<boolean> = new Subject<boolean>();
+
+  constructor(
+    private authenticationService: AuthenticationService,
+    private messageService: MessageService,
+    private router: Router,
+    private userRestService: UserRestService
+  ) {}
+
+  login(loginRequest: LoginRequest): void {
+    this.isLoginPending.next(true);
+
+    this.userRestService.login(loginRequest)
+      .then(loginResponse => {
+        this.messageService.display('Login success!');
+        this.authenticationService.setAuthenticated(loginResponse);
+        this.router.navigate(['/']);
+      })
+      .catch(error => {
+        if (error.status === 400) {
+          this.messageService.display('Login or password incorrect.')
+        } else {
+          this.messageService.display('An error occured while login.')
+        }
+      });
+  }
+}

sportshub-gui/src/app/components/logout/logout.component.html

@@ -0,0 +1,2 @@
+<h1>Disconnection...</h1>
+<mat-spinner></mat-spinner>

sportshub-gui/src/app/components/logout/logout.component.scss

@@ -0,0 +1,6 @@
+:host {
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+}

sportshub-gui/src/app/components/logout/logout.component.ts

@@ -0,0 +1,15 @@
+import {Component, inject, OnInit} from "@angular/core";
+import {LogoutService} from "./logout.service";
+
+@Component({
+  selector: 'app-logout',
+  templateUrl: './logout.component.html',
+  styleUrls: ['./logout.component.scss']
+})
+export class LogoutComponent implements OnInit {
+  private logoutService = inject(LogoutService);
+
+  ngOnInit(): void {
+    this.logoutService.logout();
+  }
+}

sportshub-gui/src/app/components/logout/logout.module.ts

@@ -0,0 +1,29 @@
+import {NgModule} from "@angular/core";
+import {RouterModule} from "@angular/router";
+import {LogoutComponent} from "./logout.component";
+import {MatProgressSpinnerModule} from "@angular/material/progress-spinner";
+import {LogoutService} from "./logout.service";
+
+const routes = [
+  {
+    path: '',
+    component: LogoutComponent
+  }
+];
+
+@NgModule({
+  declarations: [
+    LogoutComponent
+  ],
+  providers: [
+    LogoutService
+  ],
+  imports: [
+    RouterModule.forChild(routes),
+    MatProgressSpinnerModule
+  ],
+  exports: [
+    LogoutComponent
+  ]
+})
+export class LogoutModule {}

sportshub-gui/src/app/components/logout/logout.service.ts

@@ -0,0 +1,16 @@
+import {Injectable} from "@angular/core";
+import {AuthenticationService} from "../../core/services/authentication.service";
+import {Router} from "@angular/router";
+
+@Injectable()
+export class LogoutService {
+  constructor(
+    private authenticationService: AuthenticationService,
+    private router: Router
+  ) {}
+
+  logout(): void {
+    this.authenticationService.setAnonymous();
+    this.router.navigate(['/']);
+  }
+}

sportshub-gui/src/app/core/services/authentication.service.ts

@@ -0,0 +1,45 @@
+import {Injectable} from "@angular/core";
+import {CookieService} from "ngx-cookie-service";
+import {LoginResponse} from "../model/login-response";
+import {BehaviorSubject, Observable} from "rxjs";
+
+const COOKIE_JWT = 'jwt';
+const COOKIE_REFRESH_TOKEN = 'refreshToken';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class AuthenticationService {
+  private authenticationSubject: BehaviorSubject<boolean>;
+
+  constructor(
+    private cookieService: CookieService
+  ) {
+    const isAuthenticated = this.isAuthenticated();
+    this.authenticationSubject = new BehaviorSubject<boolean>(isAuthenticated);
+  }
+
+  get isAuthenticated$(): Observable<boolean> {
+    return this.authenticationSubject.asObservable();
+  }
+
+  setAuthenticated(loginResponse: LoginResponse): void {
+    const jwt = loginResponse.accessToken;
+    this.cookieService.set(COOKIE_JWT, jwt);
+
+    const refreshToken = loginResponse.refreshToken;
+    this.cookieService.set(COOKIE_REFRESH_TOKEN, refreshToken);
+    this.authenticationSubject.next(true);
+  }
+
+  setAnonymous(): void {
+    this.cookieService.delete(COOKIE_JWT);
+    this.cookieService.delete(COOKIE_REFRESH_TOKEN);
+    this.authenticationSubject.next(false);
+  }
+
+  isAuthenticated(): boolean {
+    const jwt = this.cookieService.get(COOKIE_JWT);
+    return jwt?.length > 0;
+  }
+}

sportshub-gui/src/app/core/services/message.service.ts

@@ -0,0 +1,15 @@
+import {inject, Injectable} from "@angular/core";
+import {MatSnackBar} from "@angular/material/snack-bar";
+
+const MESSAGE_DURATION = 5000;
+
+@Injectable({
+  providedIn: 'root'
+})
+export class MessageService {
+  private matSnackBar = inject(MatSnackBar);
+
+  display(message: string): void {
+    this.matSnackBar.open(message, 'Close', { duration: MESSAGE_DURATION });
+  }
+}

sportshub-gui/src/app/header/header.component.html

@@ -1,4 +1,11 @@
 <a class="title" routerLink="/">SportsHub</a>
 <div id="menu">
-  <a routerLink="/login">Login</a>
+  <a routerLink="/login" *ngIf="(isAuthenticated$ | async) === false">
+    <mat-icon>login</mat-icon>
+    Login
+  </a>
+  <a routerLink="/logout" *ngIf="isAuthenticated$ | async" class="logout">
+    <mat-icon>logout</mat-icon>
+    Logout
+  </a>
 </div>

sportshub-gui/src/app/header/header.component.scss

@@ -3,6 +3,7 @@
   flex-direction: row;
   justify-content: space-between;
   padding: .5em 1em;
+  background-color: #004680;
 
   .title {
     font-size: 2em;
@@ -11,7 +12,7 @@
     justify-content: center;
     align-items: center;
     padding: .5em;
-    color: darkslategray;
+    color: white;
   }
 
   #menu {
@@ -31,6 +32,11 @@
       align-items: center;
       padding: .5em 1em;
       text-decoration: none;
+      gap: .5em;
+
+      &.logout {
+        background-color: #c20000;
+      }
     }
   }
 }

sportshub-gui/src/app/header/header.component.ts

@@ -1,16 +1,28 @@
 import {Component} from "@angular/core";
 import {RouterLink} from "@angular/router";
-
+import {AuthenticationService} from "../core/services/authentication.service";
+import {Observable} from "rxjs";
+import {AsyncPipe, NgIf} from "@angular/common";
+import {MatIconModule} from "@angular/material/icon";
 
 @Component({
   selector: 'app-header',
   standalone: true,
   templateUrl: './header.component.html',
   imports: [
-    RouterLink
+    RouterLink,
+    AsyncPipe,
+    NgIf,
+    MatIconModule
   ],
   styleUrls: ['./header.component.scss']
 })
 export class HeaderComponent {
+  isAuthenticated$: Observable<boolean>;
 
+  constructor(
+    private authenticationService: AuthenticationService
+  ) {
+    this.isAuthenticated$ = this.authenticationService.isAuthenticated$;
+  }
 }