client/src/app/+videos/+video-watch/shared/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 { PeerTubeProblemDocument, ServerErrorCode } from '@shared/models'
   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
  25   sort = '-createdAt'
  26
  27   componentPagination: ComponentPagination = {
  28     currentPage: 1,
  29     itemsPerPage: 10,
  30     totalItems: null
  31   }
  32   totalNotDeletedComments: number
  33
  34   inReplyToCommentId: number
  35   commentReplyRedraftValue: string
  36   commentThreadRedraftValue: string
  37
  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 hooks: HooksService
  54   ) {}
  55
  56   ngOnInit () {
  57     // Find highlighted comment in params
  58     this.sub = this.activatedRoute.params.subscribe(
  59       params => {
  60         if (params['threadId']) {
  61           const highlightedThreadId = +params['threadId']
  62           this.processHighlightedThread(highlightedThreadId)
  63         }
  64       }
  65     )
  66   }
  67
  68   ngOnChanges (changes: SimpleChanges) {
  69     if (changes['video']) {
  70       this.resetVideo()
  71     }
  72   }
  73
  74   ngOnDestroy () {
  75     if (this.sub) this.sub.unsubscribe()
  76   }
  77
  78   viewReplies (commentId: number, highlightThread = false) {
  79     this.threadLoading[commentId] = true
  80
  81     const params = {
  82       videoId: this.video.uuid,
  83       threadId: commentId
  84     }
  85
  86     const obs = this.hooks.wrapObsFun(
  87       this.videoCommentService.getVideoThreadComments.bind(this.videoCommentService),
  88       params,
  89       'video-watch',
  90       'filter:api.video-watch.video-thread-replies.list.params',
  91       'filter:api.video-watch.video-thread-replies.list.result'
  92     )
  93
  94     obs.subscribe({
  95       next: res => {
  96         this.threadComments[commentId] = res
  97         this.threadLoading[commentId] = false
  98         this.hooks.runAction('action:video-watch.video-thread-replies.loaded', 'video-watch', { data: res })
  99
 100         if (highlightThread) {
 101           this.highlightedThread = new VideoComment(res.comment)
 102
 103           // Scroll to the highlighted thread
 104           setTimeout(() => this.commentHighlightBlock.nativeElement.scrollIntoView(), 0)
 105         }
 106       },
 107
 108       error: err => {
 109         // We may try to fetch highlighted thread of another video, skip the error if it is the case
 110         // We'll retry the request on video Input() change
 111         const errorBody = err.body as PeerTubeProblemDocument
 112         if (highlightThread && errorBody?.code === ServerErrorCode.COMMENT_NOT_ASSOCIATED_TO_VIDEO) return
 113
 114         this.notifier.error(err.message)
 115       }
 116     })
 117   }
 118
 119   loadMoreThreads () {
 120     const params = {
 121       videoId: this.video.uuid,
 122       componentPagination: this.componentPagination,
 123       sort: this.sort
 124     }
 125
 126     const obs = this.hooks.wrapObsFun(
 127       this.videoCommentService.getVideoCommentThreads.bind(this.videoCommentService),
 128       params,
 129       'video-watch',
 130       'filter:api.video-watch.video-threads.list.params',
 131       'filter:api.video-watch.video-threads.list.result'
 132     )
 133
 134     obs.subscribe({
 135       next: res => {
 136         this.comments = this.comments.concat(res.data)
 137         this.componentPagination.totalItems = res.total
 138         this.totalNotDeletedComments = res.totalNotDeletedComments
 139
 140         this.onDataSubject.next(res.data)
 141
 142         setTimeout(() => this.hooks.runAction('action:video-watch.video-threads.loaded', 'video-watch', { data: this.componentPagination }))
 143       },
 144
 145       error: err => this.notifier.error(err.message)
 146     })
 147   }
 148
 149   onCommentThreadCreated (comment: VideoComment) {
 150     this.comments.unshift(comment)
 151     this.commentThreadRedraftValue = undefined
 152   }
 153
 154   onWantedToReply (comment: VideoComment) {
 155     this.inReplyToCommentId = comment.id
 156   }
 157
 158   onResetReply () {
 159     this.inReplyToCommentId = undefined
 160     this.commentReplyRedraftValue = undefined
 161   }
 162
 163   onThreadCreated (commentTree: VideoCommentThreadTree) {
 164     this.viewReplies(commentTree.comment.id)
 165   }
 166
 167   handleSortChange (sort: string) {
 168     if (this.sort === sort) return
 169
 170     this.sort = sort
 171     this.resetVideo()
 172   }
 173
 174   handleTimestampClicked (timestamp: number) {
 175     this.timestampClicked.emit(timestamp)
 176   }
 177
 178   async onWantedToDelete (
 179     commentToDelete: VideoComment,
 180     title = $localize`Delete`,
 181     message = $localize`Do you really want to delete this comment?`
 182   ): Promise<boolean> {
 183     if (commentToDelete.isLocal || this.video.isLocal) {
 184       message += $localize` The deletion will be sent to remote instances so they can reflect the change.`
 185     } else {
 186       message += $localize` It is a remote comment, so the deletion will only be effective on your instance.`
 187     }
 188
 189     const res = await this.confirmService.confirm(message, title)
 190     if (res === false) return false
 191
 192     this.videoCommentService.deleteVideoComment(commentToDelete.videoId, commentToDelete.id)
 193       .subscribe({
 194         next: () => {
 195           if (this.highlightedThread?.id === commentToDelete.id) {
 196             commentToDelete = this.comments.find(c => c.id === commentToDelete.id)
 197
 198             this.highlightedThread = undefined
 199           }
 200
 201           // Mark the comment as deleted
 202           this.softDeleteComment(commentToDelete)
 203         },
 204
 205         error: err => this.notifier.error(err.message)
 206       })
 207
 208     return true
 209   }
 210
 211   async onWantedToRedraft (commentToRedraft: VideoComment) {
 212     const confirm = await this.onWantedToDelete(
 213       commentToRedraft,
 214       $localize`Delete and re-draft`,
 215       $localize`Do you really want to delete and re-draft this comment?`
 216     )
 217
 218     if (confirm) {
 219       this.inReplyToCommentId = commentToRedraft.inReplyToCommentId
 220
 221       // Restore line feed for editing
 222       const commentToRedraftText = commentToRedraft.text.replace(/<br.?\/?>/g, '\r\n')
 223
 224       if (commentToRedraft.threadId === commentToRedraft.id) {
 225         this.commentThreadRedraftValue = commentToRedraftText
 226       } else {
 227         this.commentReplyRedraftValue = commentToRedraftText
 228       }
 229
 230     }
 231   }
 232
 233   isUserLoggedIn () {
 234     return this.authService.isLoggedIn()
 235   }
 236
 237   onNearOfBottom () {
 238     if (hasMoreItems(this.componentPagination)) {
 239       this.componentPagination.currentPage++
 240       this.loadMoreThreads()
 241     }
 242   }
 243
 244   private softDeleteComment (comment: VideoComment) {
 245     comment.isDeleted = true
 246     comment.deletedAt = new Date()
 247     comment.text = ''
 248     comment.account = null
 249   }
 250
 251   private resetVideo () {
 252     if (this.video.commentsEnabled === true) {
 253       // Reset all our fields
 254       this.highlightedThread = null
 255       this.comments = []
 256       this.threadComments = {}
 257       this.threadLoading = {}
 258       this.inReplyToCommentId = undefined
 259       this.componentPagination.currentPage = 1
 260       this.componentPagination.totalItems = null
 261       this.totalNotDeletedComments = null
 262
 263       this.syndicationItems = this.videoCommentService.getVideoCommentsFeeds(this.video)
 264       this.loadMoreThreads()
 265
 266       if (this.activatedRoute.params['threadId']) {
 267         this.processHighlightedThread(+this.activatedRoute.params['threadId'])
 268       }
 269     }
 270   }
 271
 272   private processHighlightedThread (highlightedThreadId: number) {
 273     this.highlightedThread = this.comments.find(c => c.id === highlightedThreadId)
 274
 275     const highlightThread = true
 276     this.viewReplies(highlightedThreadId, highlightThread)
 277   }
 278 }