client/src/app/+signup/+register/steps/register-step-user.component.ts

   1 import { concat, of } from 'rxjs'
   2 import { pairwise } from 'rxjs/operators'
   3 import { Component, EventEmitter, Input, OnInit, Output } from '@angular/core'
   4 import { FormGroup } from '@angular/forms'
   5 import {
   6   USER_DISPLAY_NAME_REQUIRED_VALIDATOR,
   7   USER_EMAIL_VALIDATOR,
   8   USER_PASSWORD_VALIDATOR,
   9   USER_USERNAME_VALIDATOR
  10 } from '@app/shared/form-validators/user-validators'
  11 import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
  12 import { UserSignupService } from '@app/shared/shared-users'
  13
  14 @Component({
  15   selector: 'my-register-step-user',
  16   templateUrl: './register-step-user.component.html',
  17   styleUrls: [ './step.component.scss' ]
  18 })
  19 export class RegisterStepUserComponent extends FormReactive implements OnInit {
  20   @Input() videoUploadDisabled = false
  21   @Input() requiresEmailVerification = false
  22
  23   @Output() formBuilt = new EventEmitter<FormGroup>()
  24
  25   constructor (
  26     protected formReactiveService: FormReactiveService,
  27     private userSignupService: UserSignupService
  28   ) {
  29     super()
  30   }
  31
  32   get instanceHost () {
  33     return window.location.host
  34   }
  35
  36   ngOnInit () {
  37     this.buildForm({
  38       displayName: USER_DISPLAY_NAME_REQUIRED_VALIDATOR,
  39       username: USER_USERNAME_VALIDATOR,
  40       password: USER_PASSWORD_VALIDATOR,
  41       email: USER_EMAIL_VALIDATOR
  42     })
  43
  44     setTimeout(() => this.formBuilt.emit(this.form))
  45
  46     concat(
  47       of(''),
  48       this.form.get('displayName').valueChanges
  49     ).pipe(pairwise())
  50      .subscribe(([ oldValue, newValue ]) => this.onDisplayNameChange(oldValue, newValue))
  51   }
  52
  53   getMinPasswordLengthMessage () {
  54     return USER_PASSWORD_VALIDATOR.MESSAGES.minlength
  55   }
  56
  57   private onDisplayNameChange (oldDisplayName: string, newDisplayName: string) {
  58     const username = this.form.value['username'] || ''
  59
  60     const newUsername = this.userSignupService.getNewUsername(oldDisplayName, newDisplayName, username)
  61     this.form.patchValue({ username: newUsername })
  62   }
  63 }