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

   1 import { Component, ElementRef, EventEmitter, Input, OnChanges, OnDestroy, OnInit, Output, SimpleChanges, ViewChild } from '@angular/core'
   2 import { ActivatedRoute } from '@angular/router'
   3 import { ConfirmService, Notifier } from '@app/core'
   4 import { Subject, Subscription } from 'rxjs'
   5 import { AuthService } from '../../../core/auth'
   6 import { ComponentPagination, hasMoreItems } from '../../../shared/rest/component-pagination.model'
   7 import { User } from '../../../shared/users'
   8 import { CommentSortField } from '../../../shared/video/sort-field.type'
   9 import { VideoDetails } from '../../../shared/video/video-details.model'
  10 import { VideoComment } from './video-comment.model'
  11 import { VideoCommentService } from './video-comment.service'
  12 import { I18n } from '@ngx-translate/i18n-polyfill'
  13 import { Syndication } from '@app/shared/video/syndication.model'
  14 import { HooksService } from '@app/core/plugins/hooks.service'
  15 import { VideoCommentThreadTree } from '@app/videos/+video-watch/comment/video-comment-thread-tree.model'
  16
  17 @Component({
  18   selector: 'my-video-comments',
  19   templateUrl: './video-comments.component.html',
  20   styleUrls: ['./video-comments.component.scss']
  21 })
  22 export class VideoCommentsComponent implements OnInit, OnChanges, OnDestroy {
  23   @ViewChild('commentHighlightBlock') commentHighlightBlock: ElementRef
  24   @Input() video: VideoDetails
  25   @Input() user: User
  26
  27   @Output() timestampClicked = new EventEmitter<number>()
  28
  29   comments: VideoComment[] = []
  30   highlightedThread: VideoComment
  31   sort: CommentSortField = '-createdAt'
  32   componentPagination: ComponentPagination = {
  33     currentPage: 1,
  34     itemsPerPage: 10,
  35     totalItems: null
  36   }
  37   inReplyToCommentId: number
  38   threadComments: { [ id: number ]: VideoCommentThreadTree } = {}
  39   threadLoading: { [ id: number ]: boolean } = {}
  40
  41   syndicationItems: Syndication[] = []
  42
  43   onDataSubject = new Subject<any[]>()
  44
  45   private sub: Subscription
  46
  47   constructor (
  48     private authService: AuthService,
  49     private notifier: Notifier,
  50     private confirmService: ConfirmService,
  51     private videoCommentService: VideoCommentService,
  52     private activatedRoute: ActivatedRoute,
  53     private i18n: I18n,
  54     private hooks: HooksService
  55   ) {}
  56
  57   ngOnInit () {
  58     // Find highlighted comment in params
  59     this.sub = this.activatedRoute.params.subscribe(
  60       params => {
  61         if (params['threadId']) {
  62           const highlightedThreadId = +params['threadId']
  63           this.processHighlightedThread(highlightedThreadId)
  64         }
  65       }
  66     )
  67   }
  68
  69   ngOnChanges (changes: SimpleChanges) {
  70     if (changes['video']) {
  71       this.resetVideo()
  72     }
  73   }
  74
  75   ngOnDestroy () {
  76     if (this.sub) this.sub.unsubscribe()
  77   }
  78
  79   viewReplies (commentId: number, highlightThread = false) {
  80     this.threadLoading[commentId] = true
  81
  82     const params = {
  83       videoId: this.video.id,
  84       threadId: commentId
  85     }
  86
  87     const obs = this.hooks.wrapObsFun(
  88       this.videoCommentService.getVideoThreadComments.bind(this.videoCommentService),
  89       params,
  90       'video-watch',
  91       'filter:api.video-watch.video-thread-replies.list.params',
  92       'filter:api.video-watch.video-thread-replies.list.result'
  93     )
  94
  95     obs.subscribe(
  96         res => {
  97           this.threadComments[commentId] = res
  98           this.threadLoading[commentId] = false
  99           this.hooks.runAction('action:video-watch.video-thread-replies.loaded', 'video-watch', { data: res })
 100
 101           if (highlightThread) {
 102             this.highlightedThread = new VideoComment(res.comment)
 103
 104             // Scroll to the highlighted thread
 105             setTimeout(() => this.commentHighlightBlock.nativeElement.scrollIntoView(), 0)
 106           }
 107         },
 108
 109         err => this.notifier.error(err.message)
 110       )
 111   }
 112
 113   loadMoreThreads () {
 114     const params = {
 115       videoId: this.video.id,
 116       componentPagination: this.componentPagination,
 117       sort: this.sort
 118     }
 119
 120     const obs = this.hooks.wrapObsFun(
 121       this.videoCommentService.getVideoCommentThreads.bind(this.videoCommentService),
 122       params,
 123       'video-watch',
 124       'filter:api.video-watch.video-threads.list.params',
 125       'filter:api.video-watch.video-threads.list.result'
 126     )
 127
 128     obs.subscribe(
 129       res => {
 130         this.comments = this.comments.concat(res.data)
 131         this.componentPagination.totalItems = res.total
 132
 133         this.onDataSubject.next(res.data)
 134         this.hooks.runAction('action:video-watch.video-threads.loaded', 'video-watch', { data: this.componentPagination })
 135       },
 136
 137       err => this.notifier.error(err.message)
 138     )
 139   }
 140
 141   onCommentThreadCreated (comment: VideoComment) {
 142     this.comments.unshift(comment)
 143   }
 144
 145   onWantedToReply (comment: VideoComment) {
 146     this.inReplyToCommentId = comment.id
 147   }
 148
 149   onResetReply () {
 150     this.inReplyToCommentId = undefined
 151   }
 152
 153   onThreadCreated (commentTree: VideoCommentThreadTree) {
 154     this.viewReplies(commentTree.comment.id)
 155   }
 156
 157   handleSortChange (sort: CommentSortField) {
 158     if (this.sort === sort) return
 159
 160     this.sort = sort
 161     this.resetVideo()
 162   }
 163
 164   handleTimestampClicked (timestamp: number) {
 165     this.timestampClicked.emit(timestamp)
 166   }
 167
 168   async onWantedToDelete (commentToDelete: VideoComment) {
 169     let message = 'Do you really want to delete this comment?'
 170
 171     if (commentToDelete.isLocal || this.video.isLocal) {
 172       message += this.i18n(' The deletion will be sent to remote instances so they can reflect the change.')
 173     } else {
 174       message += this.i18n(' It is a remote comment, so the deletion will only be effective on your instance.')
 175     }
 176
 177     const res = await this.confirmService.confirm(message, this.i18n('Delete'))
 178     if (res === false) return
 179
 180     this.videoCommentService.deleteVideoComment(commentToDelete.videoId, commentToDelete.id)
 181       .subscribe(
 182         () => {
 183           if (this.highlightedThread?.id === commentToDelete.id) {
 184             commentToDelete = this.comments.find(c => c.id === commentToDelete.id)
 185
 186             this.highlightedThread = undefined
 187           }
 188
 189           // Mark the comment as deleted
 190           this.softDeleteComment(commentToDelete)
 191         },
 192
 193         err => this.notifier.error(err.message)
 194       )
 195   }
 196
 197   isUserLoggedIn () {
 198     return this.authService.isLoggedIn()
 199   }
 200
 201   onNearOfBottom () {
 202     if (hasMoreItems(this.componentPagination)) {
 203       this.componentPagination.currentPage++
 204       this.loadMoreThreads()
 205     }
 206   }
 207
 208   private softDeleteComment (comment: VideoComment) {
 209     comment.isDeleted = true
 210     comment.deletedAt = new Date()
 211     comment.text = ''
 212     comment.account = null
 213   }
 214
 215   private resetVideo () {
 216     if (this.video.commentsEnabled === true) {
 217       // Reset all our fields
 218       this.highlightedThread = null
 219       this.comments = []
 220       this.threadComments = {}
 221       this.threadLoading = {}
 222       this.inReplyToCommentId = undefined
 223       this.componentPagination.currentPage = 1
 224       this.componentPagination.totalItems = null
 225
 226       this.syndicationItems = this.videoCommentService.getVideoCommentsFeeds(this.video.uuid)
 227       this.loadMoreThreads()
 228     }
 229   }
 230
 231   private processHighlightedThread (highlightedThreadId: number) {
 232     this.highlightedThread = this.comments.find(c => c.id === highlightedThreadId)
 233
 234     const highlightThread = true
 235     this.viewReplies(highlightedThreadId, highlightThread)
 236   }
 237 }