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 } 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 { Video } from '../../../shared/video/video.model'
   9 import { VideoComment } from './video-comment.model'
  10 import { VideoCommentService } from './video-comment.service'
  11
  12 @Component({
  13   selector: 'my-video-comment-add',
  14   templateUrl: './video-comment-add.component.html',
  15   styleUrls: ['./video-comment-add.component.scss']
  16 })
  17 export class VideoCommentAddComponent extends FormReactive implements OnInit {
  18   @Input() video: Video
  19   @Input() parentComment: VideoComment
  20   @Input() focusOnInit = false
  21
  22   @Output() commentCreated = new EventEmitter<VideoCommentCreate>()
  23
  24   form: FormGroup
  25   formErrors = {
  26     'text': ''
  27   }
  28   validationMessages = {
  29     'text': VIDEO_COMMENT_TEXT.MESSAGES
  30   }
  31
  32   @ViewChild('textarea') private textareaElement: ElementRef
  33
  34   constructor (
  35     private formBuilder: FormBuilder,
  36     private notificationsService: NotificationsService,
  37     private videoCommentService: VideoCommentService
  38   ) {
  39     super()
  40   }
  41
  42   buildForm () {
  43     this.form = this.formBuilder.group({
  44       text: [ '', VIDEO_COMMENT_TEXT.VALIDATORS ]
  45     })
  46
  47     this.form.valueChanges.subscribe(data => this.onValueChanged(data))
  48   }
  49
  50   ngOnInit () {
  51     this.buildForm()
  52
  53     if (this.focusOnInit === true) {
  54       this.textareaElement.nativeElement.focus()
  55     }
  56   }
  57
  58   formValidated () {
  59     const commentCreate: VideoCommentCreate = this.form.value
  60     let obs: Observable<any>
  61
  62     if (this.parentComment) {
  63       obs = this.addCommentReply(commentCreate)
  64     } else {
  65       obs = this.addCommentThread(commentCreate)
  66     }
  67
  68     obs.subscribe(
  69       comment => {
  70         this.commentCreated.emit(comment)
  71         this.form.reset()
  72       },
  73
  74       err => this.notificationsService.error('Error', err.text)
  75     )
  76   }
  77
  78   isAddButtonDisplayed () {
  79     return this.form.value['text']
  80   }
  81
  82   private addCommentReply (commentCreate: VideoCommentCreate) {
  83     return this.videoCommentService
  84       .addCommentReply(this.video.id, this.parentComment.id, commentCreate)
  85   }
  86
  87   private addCommentThread (commentCreate: VideoCommentCreate) {
  88     return this.videoCommentService
  89       .addCommentThread(this.video.id, commentCreate)
  90   }
  91 }