Add basic login, data and authentification handling

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

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+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

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+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

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+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

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+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

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+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

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+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 {};
+  }
+}