client/src/app/login/login.component.ts

   1 import { Component, ElementRef, OnInit, ViewChild } from '@angular/core'
   2 import { FormBuilder, FormGroup, Validators } from '@angular/forms'
   3 import { Router } from '@angular/router'
   4 import { RedirectService, ServerService } from '@app/core'
   5 import { UserService } from '@app/shared'
   6 import { NotificationsService } from 'angular2-notifications'
   7 import { ModalDirective } from 'ngx-bootstrap/modal'
   8 import { AuthService } from '../core'
   9 import { FormReactive } from '../shared'
  10 import { I18n } from '@ngx-translate/i18n-polyfill'
  11
  12 @Component({
  13   selector: 'my-login',
  14   templateUrl: './login.component.html',
  15   styleUrls: [ './login.component.scss' ]
  16 })
  17
  18 export class LoginComponent extends FormReactive implements OnInit {
  19   @ViewChild('forgotPasswordModal') forgotPasswordModal: ModalDirective
  20   @ViewChild('forgotPasswordEmailInput') forgotPasswordEmailInput: ElementRef
  21
  22   error: string = null
  23
  24   form: FormGroup
  25   formErrors = {
  26     'username': '',
  27     'password': ''
  28   }
  29   validationMessages = {
  30     'username': {
  31       'required': 'Username is required.'
  32     },
  33     'password': {
  34       'required': 'Password is required.'
  35     }
  36   }
  37   forgotPasswordEmail = ''
  38
  39   constructor (
  40     private authService: AuthService,
  41     private userService: UserService,
  42     private serverService: ServerService,
  43     private redirectService: RedirectService,
  44     private notificationsService: NotificationsService,
  45     private formBuilder: FormBuilder,
  46     private i18n: I18n
  47   ) {
  48     super()
  49   }
  50
  51   get signupAllowed () {
  52     return this.serverService.getConfig().signup.allowed === true
  53   }
  54
  55   buildForm () {
  56     this.form = this.formBuilder.group({
  57       username: [ '', Validators.required ],
  58       password: [ '', Validators.required ]
  59     })
  60
  61     this.form.valueChanges.subscribe(data => this.onValueChanged(data))
  62   }
  63
  64   ngOnInit () {
  65     this.buildForm()
  66   }
  67
  68   login () {
  69     this.error = null
  70
  71     const { username, password } = this.form.value
  72
  73     this.authService.login(username, password)
  74       .subscribe(
  75         () => this.redirectService.redirectToHomepage(),
  76
  77         err => this.error = err.message
  78       )
  79   }
  80
  81   askResetPassword () {
  82     this.userService.askResetPassword(this.forgotPasswordEmail)
  83       .subscribe(
  84         res => {
  85           const message = this.i18n(
  86             'An email with the reset password instructions will be sent to {{ email }}.',
  87             { email: this.forgotPasswordEmail }
  88           )
  89           this.notificationsService.success(this.i18n('Success'), message)
  90           this.hideForgotPasswordModal()
  91         },
  92
  93         err => this.notificationsService.error(this.i18n('Error'), err.message)
  94       )
  95   }
  96
  97   onForgotPasswordModalShown () {
  98     this.forgotPasswordEmailInput.nativeElement.focus()
  99   }
 100
 101   openForgotPasswordModal () {
 102     this.forgotPasswordModal.show()
 103   }
 104
 105   hideForgotPasswordModal () {
 106     this.forgotPasswordModal.hide()
 107   }
 108 }