@bi8/am-uaa/src/app/app.component.ts

ng update @angular/cli yarn add @angular/cli

import {Component, OnInit} from '@angular/core';
import {UaaEventService} from './modules/am-uaa/uaa.event.service';
import {UaaEvent} from './modules/am-uaa/uaa.event';
import {MatDialog} from '@angular/material';
import {LoginDialog} from './login-dialog.component';
import {UaaService} from './modules/am-uaa/uaa.service';


@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.scss']
})
export class AppComponent implements OnInit {
  loggingIn: boolean = false;

  constructor(private matDialog: MatDialog,
              public uaaService: UaaService,
              private uaaEventService: UaaEventService) {
    uaaEventService.subscribe((event) => {
      switch (event) {
        case UaaEvent.LOGIN_REQUIRED:
          if (!this.loggingIn) {
            this.popLoginDialog();
          }
          break;
      }
    });
  }

  ngOnInit(): void {
  }

  popLoginDialog() {
    this.loggingIn = true;
    this.uaaEventService.broadcast(UaaEvent.LOGIN_DIALOG_BEFORE_OPEN);
    const dialogRef = this.matDialog.open(LoginDialog, {
      backdropClass: 'loginBackdrop',
      disableClose: true,
      data: {
        uaaService: this.uaaService,
        header: 'Sign In'
      }
    });
    dialogRef.afterClosed().subscribe(result => {
      this.loggingIn = false;
      this.uaaEventService.broadcast(UaaEvent.LOGIN_DIALOG_CLOSED);
    });
  }

  /*doLogin(username: string, password: string){
    this.uaaService.doLogin(username, password).subscribe((result)=>{
      this.logger.debug("Logged In Succesfully");
    })
  }

  doLogout(){
    this.uaaService.doLogout().subscribe((result)=>{
      this.logger.debug("Logged Out Successfully");
    });
  }*/


  /*doSecureCall(){
    this.uaaService.getIdentity(true).subscribe((result)=>{
      this.logger.debug("Identity Loaded successfully", result);
    }, (error)=>{
      this.logger.error("There is an error:", error);
    });
  }

  loginProvided(){
    this.uaaEventService.broadcast(UaaEvent.LOGIN_PROVIDED);
  }*/
}