doneit-web/src/app/services/auth.service.ts

import { Injectable } from '@angular/core';
import { StorageService } from './storage.service';
import { Router } from '@angular/router';
import { HttpClient, HttpHeaders, HttpParams } from '@angular/common/http';
import { User } from '../models/user.model';
import { environment } from 'src/environments/environment';
import { HttpService } from './http.service';
import { BehaviorSubject, Observable } from 'rxjs';
import { AuthConnstants } from '../config/auth-constants';
import { AlertController } from '@ionic/angular';

@Injectable({
  providedIn: 'root'
})
export class AuthService {
  userData$ = new BehaviorSubject<any>('');
  constructor(
    private http: HttpClient,
    private httpService: HttpService,
    private storageService:StorageService,
    public alertController: AlertController,
    private router:Router
    ) { }

    public ValidatedUser:User;

    async presentAlert(message:string) {
      const alert = await this.alertController.create({
        cssClass: 'my-custom-class',
        header: 'Mensagem do sistema',
        message: message,
        buttons: ['OK']
      });
  
      await alert.present();
    }

    async login(user: User): Promise<boolean> {
  
      user.BasicAuthKey = 'Basic ' + btoa(user.domainName + '\\' + user.username + ':' + user.password); //conversão em base64 das credenciais inseridas


      const options = { headers: {'Authorization': user.BasicAuthKey }};


      const service = environment.apiURL + "userauthentication/GetValidateAuth";
      
      let result: boolean | PromiseLike<boolean>;
      this.presentAlert(service);

      try {
        result = await this.http.get<boolean>(service, options).toPromise();
  
      } catch (error) {
        this.presentAlert('Erro '+error);
      }
      
      

      if (result)
        {
          this.presentAlert('7');

          this.ValidatedUser = user;
          this.presentAlert('8');

        }
      return result;
    }

    logout(){
      this.ValidatedUser = null;

    }

    //Login to rocketChat server
    loginChat(postData: any):Observable<any> {
      return this.httpService.post('login', postData);
    }

    //Get user data from RocketChat | global object
    getUserData(){
      this.storageService.get(AuthConnstants.AUTH).then(res=>{
        this.userData$.next(res);
      });
    }

    getProfile(){
    this.storageService.get(AuthConnstants.PROFILE).then(res=>{
      return res;
    });
  }

    logoutChat(){
      //this.storageService.clear();
      this.storageService.removeStorageItem(AuthConnstants.AUTH).then(res =>{
        this.userData$.next('');
        this.router.navigate(['']);
      })

    }
}