initial release

bizmatch/src/app/services/user.service.ts

@@ -0,0 +1,94 @@
+import { Injectable, Signal, WritableSignal, computed, effect, signal } from '@angular/core';
+import { Component } from '@angular/core';
+import { jwtDecode } from 'jwt-decode';
+import { Observable, distinctUntilChanged, filter, from, map } from 'rxjs';
+import { CommonModule } from '@angular/common';
+import { JwtToken, User } from '../models/main.model';
+import { KeycloakService } from './keycloak.service';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class UserService {
+
+  private user$ = new Observable<User>();
+  private user:User
+  public $isLoggedIn : Signal<boolean>;
+  constructor(public keycloak:KeycloakService){
+    this.user$ = from(this.keycloak.getToken()).pipe(
+      filter(t => !!t),
+      distinctUntilChanged(),
+      map(t => this.map2User(t)),
+      // tap(u => {
+      //   logger.info('Logged in user:', u);
+      //   this.analyticsService.identify(u);
+      // }),
+    );
+    this.$isLoggedIn = signal(false)
+    this.$isLoggedIn = computed(() => {
+      return keycloak.isLoggedIn()
+    })
+    
+    effect(async () => {
+      if (this.$isLoggedIn()){
+        this.updateTokenDetails()
+      } else {
+        this.user=null;
+      }
+    })
+  }
+
+  private async refreshToken(): Promise<void> {
+    try {
+      await this.keycloak.updateToken(10); // Versuche, den Token zu erneuern
+      await this.updateTokenDetails(); // Aktualisiere den Token und seine Details
+    } catch (error) {
+      console.error('Fehler beim Token-Refresh', error);
+    }
+  }
+  private async updateTokenDetails(): Promise<void> {
+    const token = await this.keycloak.getToken();
+    this.user = this.map2User(token);
+  }
+  getUserName(){
+    return this.user?.username
+  }
+
+  private map2User(jwt:string):User{
+    const token = jwtDecode<JwtToken>(jwt);
+    return {
+      id:token.user_id,
+      username:token.preferred_username,
+      firstname:token.given_name,
+      lastname:token.family_name,
+      email:token.email
+    }
+  }
+
+  isLoggedIn():boolean{
+    return this.$isLoggedIn();
+  }
+  getUser():User{
+    return this.user;
+  }
+  getUserObservable():Observable<User>{
+    return this.user$;
+  }
+  logout(){
+    this.keycloak.logout(window.location.origin + '/home');
+  }
+  async login(url:string){
+    await this.keycloak.login({
+      redirectUri: url
+    });
+  }
+  getUserRoles(){
+    return this.keycloak.getUserRoles(true);
+  }
+  hasAdminRole(){
+    return this.keycloak.getUserRoles(true).includes('ADMIN');
+  }
+  register(url:string){
+    this.keycloak.register({redirectUri:url});
+  }
+}