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import { concat, of } from 'rxjs'
import { pairwise } from 'rxjs/operators'
import { Component, EventEmitter, Input, OnInit, Output } from '@angular/core'
import { FormGroup } from '@angular/forms'
import { VIDEO_CHANNEL_DISPLAY_NAME_VALIDATOR, VIDEO_CHANNEL_NAME_VALIDATOR } from '@app/shared/form-validators/video-channel-validators'
import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
import { UserSignupService } from '@app/shared/shared-users'
@Component({
selector: 'my-register-step-channel',
templateUrl: './register-step-channel.component.html',
styleUrls: [ './step.component.scss' ]
})
export class RegisterStepChannelComponent extends FormReactive implements OnInit {
@Input() username: string
@Input() instanceName: string
@Input() videoQuota: number
@Output() formBuilt = new EventEmitter<FormGroup>()
constructor (
protected formReactiveService: FormReactiveService,
private userSignupService: UserSignupService
) {
super()
}
get instanceHost () {
return window.location.host
}
ngOnInit () {
this.buildForm({
displayName: VIDEO_CHANNEL_DISPLAY_NAME_VALIDATOR,
name: VIDEO_CHANNEL_NAME_VALIDATOR
})
setTimeout(() => this.formBuilt.emit(this.form))
concat(
of(''),
this.form.get('displayName').valueChanges
).pipe(pairwise())
.subscribe(([ oldValue, newValue ]) => this.onDisplayNameChange(oldValue, newValue))
}
isSameThanUsername () {
return this.username && this.username === this.form.value['name']
}
private onDisplayNameChange (oldDisplayName: string, newDisplayName: string) {
const name = this.form.value['name'] || ''
const newName = this.userSignupService.getNewUsername(oldDisplayName, newDisplayName, name)
this.form.patchValue({ name: newName })
}
}
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