1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
import { Component, OnInit } from '@angular/core'
import { FormBuilder, FormGroup, Validators } from '@angular/forms'
import { Router } from '@angular/router'
import { AuthService } from '../core'
import { FormReactive } from '../shared'
@Component({
selector: 'my-login',
templateUrl: './login.component.html'
})
export class LoginComponent extends FormReactive implements OnInit {
error: string = null
form: FormGroup
formErrors = {
'username': '',
'password': ''
}
validationMessages = {
'username': {
'required': 'Username is required.'
},
'password': {
'required': 'Password is required.'
}
}
constructor (
private authService: AuthService,
private formBuilder: FormBuilder,
private router: Router
) {
super()
}
buildForm () {
this.form = this.formBuilder.group({
username: [ '', Validators.required ],
password: [ '', Validators.required ]
})
this.form.valueChanges.subscribe(data => this.onValueChanged(data))
}
ngOnInit () {
this.buildForm()
}
login () {
this.error = null
const { username, password } = this.form.value
this.authService.login(username, password).subscribe(
result => this.router.navigate(['/videos/list']),
error => {
console.error(error.json)
if (error.json.error === 'invalid_grant') {
this.error = 'Credentials are invalid.'
} else {
this.error = `${error.json.error}: ${error.json.error_description}`
}
}
)
}
}
|
