client/src/app/videos/+video-watch/comment/video-comment-add.component.ts

   1 import { Component, ElementRef, EventEmitter, Input, OnInit, Output, ViewChild } from '@angular/core'
   2 import { NotificationsService } from 'angular2-notifications'
   3 import { Observable } from 'rxjs'
   4 import { VideoCommentCreate } from '../../../../../../shared/models/videos/video-comment.model'
   5 import { FormReactive } from '../../../shared'
   6 import { User } from '../../../shared/users'
   7 import { Video } from '../../../shared/video/video.model'
   8 import { VideoComment } from './video-comment.model'
   9 import { VideoCommentService } from './video-comment.service'
  10 import { I18n } from '@ngx-translate/i18n-polyfill'
  11 import { FormValidatorService } from '@app/shared/forms/form-validators/form-validator.service'
  12 import { VideoCommentValidatorsService } from '@app/shared/forms/form-validators/video-comment-validators.service'
  13
  14 @Component({
  15   selector: 'my-video-comment-add',
  16   templateUrl: './video-comment-add.component.html',
  17   styleUrls: ['./video-comment-add.component.scss']
  18 })
  19 export class VideoCommentAddComponent extends FormReactive implements OnInit {
  20   @Input() user: User
  21   @Input() video: Video
  22   @Input() parentComment: VideoComment
  23   @Input() parentComments: VideoComment[]
  24   @Input() focusOnInit = false
  25
  26   @Output() commentCreated = new EventEmitter<VideoCommentCreate>()
  27
  28   @ViewChild('textarea') private textareaElement: ElementRef
  29
  30   private addingComment = false
  31
  32   constructor (
  33     protected formValidatorService: FormValidatorService,
  34     private videoCommentValidatorsService: VideoCommentValidatorsService,
  35     private notificationsService: NotificationsService,
  36     private videoCommentService: VideoCommentService,
  37     private i18n: I18n
  38   ) {
  39     super()
  40   }
  41
  42   ngOnInit () {
  43     this.buildForm({
  44       text: this.videoCommentValidatorsService.VIDEO_COMMENT_TEXT
  45     })
  46
  47     if (this.focusOnInit === true) {
  48       this.textareaElement.nativeElement.focus()
  49     }
  50
  51     if (this.parentComment) {
  52       const mentions = this.parentComments
  53         .filter(c => c.account.id !== this.user.account.id) // Don't add mention of ourselves
  54         .map(c => '@' + c.by)
  55
  56       const mentionsSet = new Set(mentions)
  57       const mentionsText = Array.from(mentionsSet).join(' ') + ' '
  58
  59       this.form.patchValue({ text: mentionsText })
  60     }
  61   }
  62
  63   onValidKey () {
  64     this.onValueChanged()
  65     if (!this.form.valid) return
  66
  67     this.formValidated()
  68   }
  69
  70   formValidated () {
  71     // If we validate very quickly the comment form, we might comment twice
  72     if (this.addingComment) return
  73
  74     this.addingComment = true
  75
  76     const commentCreate: VideoCommentCreate = this.form.value
  77     let obs: Observable<any>
  78
  79     if (this.parentComment) {
  80       obs = this.addCommentReply(commentCreate)
  81     } else {
  82       obs = this.addCommentThread(commentCreate)
  83     }
  84
  85     obs.subscribe(
  86       comment => {
  87         this.addingComment = false
  88         this.commentCreated.emit(comment)
  89         this.form.reset()
  90       },
  91
  92       err => {
  93         this.addingComment = false
  94
  95         this.notificationsService.error(this.i18n('Error'), err.text)
  96       }
  97     )
  98   }
  99
 100   isAddButtonDisplayed () {
 101     return this.form.value['text']
 102   }
 103
 104   private addCommentReply (commentCreate: VideoCommentCreate) {
 105     return this.videoCommentService
 106       .addCommentReply(this.video.id, this.parentComment.id, commentCreate)
 107   }
 108
 109   private addCommentThread (commentCreate: VideoCommentCreate) {
 110     return this.videoCommentService
 111       .addCommentThread(this.video.id, commentCreate)
 112   }
 113 }