import { Observable } from 'rxjs'
import { Component, ElementRef, EventEmitter, Input, OnChanges, OnInit, Output, SimpleChanges, ViewChild } from '@angular/core'
import { Router } from '@angular/router'
import { Notifier, User } from '@app/core'
import { FormReactive, FormValidatorService, VideoCommentValidatorsService } from '@app/shared/shared-forms'
import { Video } from '@app/shared/shared-main'
import { VideoComment, VideoCommentService } from '@app/shared/shared-video-comment'
import { NgbModal } from '@ng-bootstrap/ng-bootstrap'
import { VideoCommentCreate } from '@shared/models'
import { I18n } from '@ngx-translate/i18n-polyfill'
@Component({
selector: 'my-video-comment-add',
templateUrl: './video-comment-add.component.html',
styleUrls: ['./video-comment-add.component.scss']
})
export class VideoCommentAddComponent extends FormReactive implements OnChanges, OnInit {
@Input() user: User
@Input() video: Video
@Input() parentComment?: VideoComment
@Input() parentComments?: VideoComment[]
@Input() focusOnInit = false
@Input() textValue?: string
@Output() commentCreated = new EventEmitter<VideoComment>()
@Output() cancel = new EventEmitter()
@ViewChild('visitorModal', { static: true }) visitorModal: NgbModal
@ViewChild('emojiModal', { static: true }) emojiModal: NgbModal
@ViewChild('textarea', { static: true }) textareaElement: ElementRef
addingComment = false
addingCommentButtonValue: string
constructor (
protected formValidatorService: FormValidatorService,
private videoCommentValidatorsService: VideoCommentValidatorsService,
private notifier: Notifier,
private videoCommentService: VideoCommentService,
private modalService: NgbModal,
private router: Router,
private i18n: I18n
) {
super()
}
get emojiMarkupList () {
const emojiMarkup = require('markdown-it-emoji/lib/data/light.json')
return emojiMarkup
}
ngOnInit () {
this.buildForm({
text: this.videoCommentValidatorsService.VIDEO_COMMENT_TEXT
})
if (this.user) {
if (!this.parentComment) {
this.addingCommentButtonValue = this.i18n('Comment')
} else {
this.addingCommentButtonValue = this.i18n('Reply')
}
this.initTextValue()
}
}
ngOnChanges (changes: SimpleChanges) {
if (changes.textValue && changes.textValue.currentValue && changes.textValue.currentValue !== changes.textValue.previousValue) {
this.patchTextValue(changes.textValue.currentValue, true)
}
}
onValidKey () {
this.check()
if (!this.form.valid) return
this.formValidated()
}
openVisitorModal (event: any) {
if (this.user === null) { // we only open it for visitors
// fixing ng-bootstrap ModalService and the "Expression Changed After It Has Been Checked" Error
event.srcElement.blur()
event.preventDefault()
this.modalService.open(this.visitorModal)
}
}
openEmojiModal (event: any) {
event.preventDefault()
this.modalService.open(this.emojiModal, { backdrop: true })
}
hideModals () {
this.modalService.dismissAll()
}
formValidated () {
// If we validate very quickly the comment form, we might comment twice
if (this.addingComment) return
this.addingComment = true
const commentCreate: VideoCommentCreate = this.form.value
let obs: Observable<VideoComment>
if (this.parentComment) {
obs = this.addCommentReply(commentCreate)
} else {
obs = this.addCommentThread(commentCreate)
}
obs.subscribe(
comment => {
this.addingComment = false
this.commentCreated.emit(comment)
this.form.reset()
},
err => {
this.addingComment = false
this.notifier.error(err.text)
}
)
}
isAddButtonDisplayed () {
return this.form.value['text']
}
getUri () {
return window.location.href
}
getAvatarUrl () {
if (this.user) return this.user.accountAvatarUrl
return window.location.origin + '/client/assets/images/default-avatar.png'
}
gotoLogin () {
this.hideModals()
this.router.navigate([ '/login' ])
}
cancelCommentReply () {
this.cancel.emit(null)
this.form.value['text'] = this.textareaElement.nativeElement.value = ''
}
private addCommentReply (commentCreate: VideoCommentCreate) {
return this.videoCommentService
.addCommentReply(this.video.id, this.parentComment.id, commentCreate)
}
private addCommentThread (commentCreate: VideoCommentCreate) {
return this.videoCommentService
.addCommentThread(this.video.id, commentCreate)
}
private initTextValue () {
if (this.textValue) {
this.patchTextValue(this.textValue, this.focusOnInit)
return
}
if (this.parentComment) {
const mentions = this.parentComments
.filter(c => c.account && c.account.id !== this.user.account.id) // Don't add mention of ourselves
.map(c => '@' + c.by)
const mentionsSet = new Set(mentions)
const mentionsText = Array.from(mentionsSet).join(' ') + ' '
this.patchTextValue(mentionsText, this.focusOnInit)
}
}
private patchTextValue (text: string, focus: boolean) {
setTimeout(() => {
if (focus) {
this.textareaElement.nativeElement.focus()
}
this.textareaElement.nativeElement.scrollIntoView({ behavior: 'smooth', block: 'center', inline: 'nearest' })
})
this.form.patchValue({ text })
}
}