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

   1 import { Component, EventEmitter, Input, OnChanges, OnInit, Output } from '@angular/core'
   2 import { LinkifierService } from '@app/videos/+video-watch/comment/linkifier.service'
   3 import * as sanitizeHtml from 'sanitize-html'
   4 import { UserRight } from '../../../../../../shared/models/users'
   5 import { VideoCommentThreadTree } from '../../../../../../shared/models/videos/video-comment.model'
   6 import { AuthService } from '../../../core/auth'
   7 import { Video } from '../../../shared/video/video.model'
   8 import { VideoComment } from './video-comment.model'
   9
  10 @Component({
  11   selector: 'my-video-comment',
  12   templateUrl: './video-comment.component.html',
  13   styleUrls: ['./video-comment.component.scss']
  14 })
  15 export class VideoCommentComponent implements OnInit, OnChanges {
  16   @Input() video: Video
  17   @Input() comment: VideoComment
  18   @Input() parentComments: VideoComment[] = []
  19   @Input() commentTree: VideoCommentThreadTree
  20   @Input() inReplyToCommentId: number
  21   @Input() highlightedComment = false
  22
  23   @Output() wantedToDelete = new EventEmitter<VideoComment>()
  24   @Output() wantedToReply = new EventEmitter<VideoComment>()
  25   @Output() threadCreated = new EventEmitter<VideoCommentThreadTree>()
  26   @Output() resetReply = new EventEmitter()
  27
  28   sanitizedCommentHTML = ''
  29   newParentComments = []
  30
  31   constructor (
  32     private linkifierService: LinkifierService,
  33     private authService: AuthService
  34   ) {}
  35
  36   get user () {
  37     return this.authService.getUser()
  38   }
  39
  40   ngOnInit () {
  41     this.init()
  42   }
  43
  44   ngOnChanges () {
  45     this.init()
  46   }
  47
  48   onCommentReplyCreated (createdComment: VideoComment) {
  49     if (!this.commentTree) {
  50       this.commentTree = {
  51         comment: this.comment,
  52         children: []
  53       }
  54
  55       this.threadCreated.emit(this.commentTree)
  56     }
  57
  58     this.commentTree.children.unshift({
  59       comment: createdComment,
  60       children: []
  61     })
  62     this.resetReply.emit()
  63   }
  64
  65   onWantToReply (comment?: VideoComment) {
  66     this.wantedToReply.emit(comment || this.comment)
  67   }
  68
  69   onWantToDelete (comment?: VideoComment) {
  70     this.wantedToDelete.emit(comment || this.comment)
  71   }
  72
  73   isUserLoggedIn () {
  74     return this.authService.isLoggedIn()
  75   }
  76
  77   onResetReply () {
  78     this.resetReply.emit()
  79   }
  80
  81   isRemovableByUser () {
  82     return this.isUserLoggedIn() &&
  83       (
  84         this.user.account.id === this.comment.account.id ||
  85         this.user.hasRight(UserRight.REMOVE_ANY_VIDEO_COMMENT)
  86       )
  87   }
  88
  89   private init () {
  90     // Convert possible markdown to html
  91     const html = this.linkifierService.linkify(this.comment.text)
  92
  93     this.sanitizedCommentHTML = sanitizeHtml(html, {
  94       allowedTags: [ 'a', 'p', 'span', 'br' ],
  95       allowedSchemes: [ 'http', 'https' ],
  96       allowedAttributes: {
  97         'a': [ 'href', 'class', 'target' ]
  98       },
  99       transformTags: {
 100         a: (tagName, attribs) => {
 101           return {
 102             tagName,
 103             attribs: Object.assign(attribs, {
 104               target: '_blank',
 105               rel: 'noopener noreferrer'
 106             })
 107           }
 108         }
 109       }
 110     })
 111
 112     this.newParentComments = this.parentComments.concat([ this.comment ])
 113   }
 114 }