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/Observable'
   5 import { VideoCommentCreate, VideoCommentThreadTree } 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
  13 @Component({
  14   selector: 'my-video-comment-add',
  15   templateUrl: './video-comment-add.component.html',
  16   styleUrls: ['./video-comment-add.component.scss']
  17 })
  18 export class VideoCommentAddComponent extends FormReactive implements OnInit {
  19   @Input() user: User
  20   @Input() video: Video
  21   @Input() parentComment: VideoComment
  22   @Input() parentComments: VideoComment[]
  23   @Input() focusOnInit = false
  24
  25   @Output() commentCreated = new EventEmitter<VideoCommentCreate>()
  26
  27   form: FormGroup
  28   formErrors = {
  29     'text': ''
  30   }
  31   validationMessages = {
  32     'text': VIDEO_COMMENT_TEXT.MESSAGES
  33   }
  34
  35   @ViewChild('textarea') private textareaElement: ElementRef
  36
  37   constructor (
  38     private formBuilder: FormBuilder,
  39     private notificationsService: NotificationsService,
  40     private videoCommentService: VideoCommentService
  41   ) {
  42     super()
  43   }
  44
  45   buildForm () {
  46     this.form = this.formBuilder.group({
  47       text: [ '', VIDEO_COMMENT_TEXT.VALIDATORS ]
  48     })
  49
  50     this.form.valueChanges.subscribe(data => this.onValueChanged(data))
  51   }
  52
  53   ngOnInit () {
  54     this.buildForm()
  55
  56     if (this.focusOnInit === true) {
  57       this.textareaElement.nativeElement.focus()
  58     }
  59
  60     if (this.parentComment) {
  61       const mentions = this.parentComments
  62         .filter(c => c.account.id !== this.user.account.id)
  63         .map(c => '@' + c.account.name)
  64
  65       const mentionsSet = new Set(mentions)
  66       const mentionsText = Array.from(mentionsSet).join(' ') + ' '
  67
  68       this.form.patchValue({ text: mentionsText })
  69     }
  70   }
  71
  72   onValidKey () {
  73     this.onValueChanged()
  74     if (!this.form.valid) return
  75
  76     this.formValidated()
  77   }
  78
  79   formValidated () {
  80     const commentCreate: VideoCommentCreate = this.form.value
  81     let obs: Observable<any>
  82
  83     if (this.parentComment) {
  84       obs = this.addCommentReply(commentCreate)
  85     } else {
  86       obs = this.addCommentThread(commentCreate)
  87     }
  88
  89     obs.subscribe(
  90       comment => {
  91         this.commentCreated.emit(comment)
  92         this.form.reset()
  93       },
  94
  95       err => this.notificationsService.error('Error', err.text)
  96     )
  97   }
  98
  99   isAddButtonDisplayed () {
 100     return this.form.value['text']
 101   }
 102
 103   getUserAvatarUrl () {
 104     return this.user.getAvatarUrl()
 105   }
 106
 107   private addCommentReply (commentCreate: VideoCommentCreate) {
 108     return this.videoCommentService
 109       .addCommentReply(this.video.id, this.parentComment.id, commentCreate)
 110   }
 111
 112   private addCommentThread (commentCreate: VideoCommentCreate) {
 113     return this.videoCommentService
 114       .addCommentThread(this.video.id, commentCreate)
 115   }
 116 }