Add basic login, data and authentification handling

webservice/Frontend/Aktienbot/src/app/Services/auth.service.spec.ts

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

webservice/Frontend/Aktienbot/src/app/Services/auth.service.ts

@@ -0,0 +1,34 @@
+import { Injectable } from '@angular/core';
+import { HttpClient, HttpHeaders } from '@angular/common/http';
+import { Observable } from 'rxjs';
+const AUTH_API = 'http://localhost:8080/api/auth/';
+const httpOptions = {
+  headers: new HttpHeaders({ 'Content-Type': 'application/json' }),
+};
+@Injectable({
+  providedIn: 'root',
+})
+export class AuthService {
+  constructor(private http: HttpClient) {}
+  login(username: string, password: string): Observable<any> {
+    return this.http.post(
+      AUTH_API + 'signin',
+      {
+        username,
+        password,
+      },
+      httpOptions
+    );
+  }
+  register(username: string, email: string, password: string): Observable<any> {
+    return this.http.post(
+      AUTH_API + 'signup',
+      {
+        username,
+        email,
+        password,
+      },
+      httpOptions
+    );
+  }
+}

webservice/Frontend/Aktienbot/src/app/Services/data.service.spec.ts

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

webservice/Frontend/Aktienbot/src/app/Services/data.service.ts

@@ -0,0 +1,22 @@
+import { Injectable } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+import { Observable } from 'rxjs';
+const API_URL = 'http://localhost:8080/api/test/';
+@Injectable({
+  providedIn: 'root',
+})
+export class UserService {
+  constructor(private http: HttpClient) {}
+  getPublicContent(): Observable<any> {
+    return this.http.get(API_URL + 'all', { responseType: 'text' });
+  }
+  getUserBoard(): Observable<any> {
+    return this.http.get(API_URL + 'user', { responseType: 'text' });
+  }
+  getModeratorBoard(): Observable<any> {
+    return this.http.get(API_URL + 'mod', { responseType: 'text' });
+  }
+  getAdminBoard(): Observable<any> {
+    return this.http.get(API_URL + 'admin', { responseType: 'text' });
+  }
+}

webservice/Frontend/Aktienbot/src/app/Services/token.service.spec.ts

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

webservice/Frontend/Aktienbot/src/app/Services/token.service.ts

@@ -0,0 +1,30 @@
+import { Injectable } from '@angular/core';
+const TOKEN_KEY = 'auth-token';
+const USER_KEY = 'auth-user';
+@Injectable({
+  providedIn: 'root',
+})
+export class TokenStorageService {
+  constructor() {}
+  signOut(): void {
+    window.sessionStorage.clear();
+  }
+  public saveToken(token: string): void {
+    window.sessionStorage.removeItem(TOKEN_KEY);
+    window.sessionStorage.setItem(TOKEN_KEY, token);
+  }
+  public getToken(): string | null {
+    return window.sessionStorage.getItem(TOKEN_KEY);
+  }
+  public saveUser(user: any): void {
+    window.sessionStorage.removeItem(USER_KEY);
+    window.sessionStorage.setItem(USER_KEY, JSON.stringify(user));
+  }
+  public getUser(): any {
+    const user = window.sessionStorage.getItem(USER_KEY);
+    if (user) {
+      return JSON.parse(user);
+    }
+    return {};
+  }
+}

webservice/Frontend/Aktienbot/src/app/Views/login/login.component.html

@@ -1 +1,72 @@
-<p>login works!</p>
+<div class="col-md-12">
+  <div class="card card-container">
+    <img
+      id="profile-img"
+      src="//ssl.gstatic.com/accounts/ui/avatar_2x.png"
+      class="profile-img-card"
+    />
+    <form
+      *ngIf="!isLoggedIn"
+      name="form"
+      (ngSubmit)="f.form.valid && onSubmit()"
+      #f="ngForm"
+      novalidate
+    >
+      <div class="form-group">
+        <label for="username">Username</label>
+        <input
+          type="text"
+          class="form-control"
+          name="username"
+          [(ngModel)]="form.username"
+          required
+          #username="ngModel"
+        />
+        <div
+          class="alert alert-danger"
+          role="alert"
+          *ngIf="username.errors && f.submitted"
+        >
+          Username is required!
+        </div>
+      </div>
+      <div class="form-group">
+        <label for="password">Password</label>
+        <input
+          type="password"
+          class="form-control"
+          name="password"
+          [(ngModel)]="form.password"
+          required
+          minlength="6"
+          #password="ngModel"
+        />
+        <div
+          class="alert alert-danger"
+          role="alert"
+          *ngIf="password.errors && f.submitted"
+        >
+          <div *ngIf="password.errors?.['required']">Password is required</div>
+          <div *ngIf="password.errors?.['minlength']">
+            Password must be at least 6 characters
+          </div>
+        </div>
+      </div>
+      <div class="form-group">
+        <button class="btn btn-primary btn-block">Login</button>
+      </div>
+      <div class="form-group">
+        <div
+          class="alert alert-danger"
+          role="alert"
+          *ngIf="f.submitted && isLoginFailed"
+        >
+          Login failed: {{ errorMessage }}
+        </div>
+      </div>
+    </form>
+    <div class="alert alert-success" *ngIf="isLoggedIn">
+      Logged in as {{ roles }}.
+    </div>
+  </div>
+</div>

webservice/Frontend/Aktienbot/src/app/Views/login/login.component.ts

@@ -1,15 +1,49 @@
 import { Component, OnInit } from '@angular/core';
+import { AuthService } from '../../Services/auth.service';
+import { TokenStorageService } from '../../Services/token.service';
 
 @Component({
   selector: 'app-login',
   templateUrl: './login.component.html',
-  styleUrls: ['./login.component.scss']
+  styleUrls: ['./login.component.scss'],
 })
 export class LoginComponent implements OnInit {
-
-  constructor() { }
-
+  form: any = {
+    username: null,
+    password: null,
+  };
+  isLoggedIn = false;
+  isLoginFailed = false;
+  errorMessage = '';
+  roles: string[] = [];
+  constructor(
+    private authService: AuthService,
+    private tokenStorage: TokenStorageService
+  ) {}
   ngOnInit(): void {
+    if (this.tokenStorage.getToken()) {
+      this.isLoggedIn = true;
+      this.roles = this.tokenStorage.getUser().roles;
+    }
+  }
+  onSubmit(): void {
+    const { username, password } = this.form;
+    this.authService.login(username, password).subscribe(
+      (data) => {
+        this.tokenStorage.saveToken(data.accessToken);
+        this.tokenStorage.saveUser(data);
+        this.isLoginFailed = false;
+        this.isLoggedIn = true;
+        this.roles = this.tokenStorage.getUser().roles;
+        this.reloadPage();
+      },
+      (err) => {
+        this.errorMessage = err.error.message;
+        this.isLoginFailed = true;
+      }
+    );
+  }
+  reloadPage(): void {
+    window.location.reload();
   }
-
 }

webservice/Frontend/Aktienbot/src/app/app.module.ts

@@ -1,5 +1,6 @@
 import { NgModule } from '@angular/core';
 import { BrowserModule } from '@angular/platform-browser';
+import { FormsModule } from '@angular/forms';
 
 import { MatToolbarModule } from '@angular/material/toolbar';
 import { MatIconModule } from '@angular/material/icon';
@@ -32,6 +33,7 @@ import { DashboardComponent } from './Views/dashboard/dashboard.component';
     MatGridListModule,
     MatCardModule,
     MatTableModule,
+    FormsModule,
   ],
   providers: [],
   bootstrap: [AppComponent],