1 import { Component, OnInit } from '@angular/core';
2 import { FormBuilder, FormGroup, Validators } from '@angular/forms';
3 import { Router } from '@angular/router';
5 import { AuthService, FormReactive } from '../shared';
9 template: require('./login.component.html')
12 export class LoginComponent extends FormReactive implements OnInit {
20 validationMessages = {
22 'required': 'Username is required.',
25 'required': 'Password is required.'
30 private authService: AuthService,
31 private formBuilder: FormBuilder,
32 private router: Router
38 this.form = this.formBuilder.group({
39 username: [ '', Validators.required ],
40 password: [ '', Validators.required ],
43 this.form.valueChanges.subscribe(data => this.onValueChanged(data));
53 const { username, password } = this.form.value;
55 this.authService.login(username, password).subscribe(
56 result => this.router.navigate(['/videos/list']),
59 console.error(error.json);
61 if (error.json.error === 'invalid_grant') {
62 this.error = 'Credentials are invalid.';
64 this.error = `${error.json.error}: ${error.json.error_description}`;