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

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