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 { FormBuilder, FormGroup } from '@angular/forms'
   3 import { NotificationsService } from 'angular2-notifications'
   4 import { Observable } from 'rxjs'
   5 import { VideoCommentCreate } from '../../../../../../shared/models/videos/video-comment.model'
   6 import { FormReactive } from '../../../shared'
   7 import { VIDEO_COMMENT_TEXT } from '../../../shared/forms/form-validators/video-comment'
   8 import { User } from '../../../shared/users'
   9 import { Video } from '../../../shared/video/video.model'
  10 import { VideoComment } from './video-comment.model'
  11 import { VideoCommentService } from './video-comment.service'
  12 import { I18n } from '@ngx-translate/i18n-polyfill'
  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   form: FormGroup
  29   formErrors = {
  30     'text': ''
  31   }
  32   validationMessages = {
  33     'text': VIDEO_COMMENT_TEXT.MESSAGES
  34   }
  35
  36   @ViewChild('textarea') private textareaElement: ElementRef
  37
  38   constructor (
  39     private formBuilder: FormBuilder,
  40     private notificationsService: NotificationsService,
  41     private videoCommentService: VideoCommentService,
  42     private i18n: I18n
  43   ) {
  44     super()
  45   }
  46
  47   buildForm () {
  48     this.form = this.formBuilder.group({
  49       text: [ '', VIDEO_COMMENT_TEXT.VALIDATORS ]
  50     })
  51
  52     this.form.valueChanges.subscribe(data => this.onValueChanged(data))
  53   }
  54
  55   ngOnInit () {
  56     this.buildForm()
  57
  58     if (this.focusOnInit === true) {
  59       this.textareaElement.nativeElement.focus()
  60     }
  61
  62     if (this.parentComment) {
  63       const mentions = this.parentComments
  64         .filter(c => c.account.id !== this.user.account.id) // Don't add mention of ourselves
  65         .map(c => '@' + c.by)
  66
  67       const mentionsSet = new Set(mentions)
  68       const mentionsText = Array.from(mentionsSet).join(' ') + ' '
  69
  70       this.form.patchValue({ text: mentionsText })
  71     }
  72   }
  73
  74   onValidKey () {
  75     this.onValueChanged()
  76     if (!this.form.valid) return
  77
  78     this.formValidated()
  79   }
  80
  81   formValidated () {
  82     const commentCreate: VideoCommentCreate = this.form.value
  83     let obs: Observable<any>
  84
  85     if (this.parentComment) {
  86       obs = this.addCommentReply(commentCreate)
  87     } else {
  88       obs = this.addCommentThread(commentCreate)
  89     }
  90
  91     obs.subscribe(
  92       comment => {
  93         this.commentCreated.emit(comment)
  94         this.form.reset()
  95       },
  96
  97       err => this.notificationsService.error(this.i18n('Error'), err.text)
  98     )
  99   }
 100
 101   isAddButtonDisplayed () {
 102     return this.form.value['text']
 103   }
 104
 105   private addCommentReply (commentCreate: VideoCommentCreate) {
 106     return this.videoCommentService
 107       .addCommentReply(this.video.id, this.parentComment.id, commentCreate)
 108   }
 109
 110   private addCommentThread (commentCreate: VideoCommentCreate) {
 111     return this.videoCommentService
 112       .addCommentThread(this.video.id, commentCreate)
 113   }
 114 }