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
   9 @Component({
  10   selector: 'my-video-comments',
  11   templateUrl: './video-comments.component.html',
  12   styleUrls: ['./video-comments.component.scss']
  13 })
  14 export class VideoCommentsComponent implements OnInit, OnChanges, OnDestroy {
  15   @ViewChild('commentHighlightBlock') commentHighlightBlock: ElementRef
  16   @Input() video: VideoDetails
  17   @Input() user: User
  18
  19   @Output() timestampClicked = new EventEmitter<number>()
  20
  21   comments: VideoComment[] = []
  22   highlightedThread: VideoComment
  23
  24   sort = '-createdAt'
  25
  26   componentPagination: ComponentPagination = {
  27     currentPage: 1,
  28     itemsPerPage: 10,
  29     totalItems: null
  30   }
  31   totalNotDeletedComments: number
  32
  33   inReplyToCommentId: number
  34   commentReplyRedraftValue: string
  35   commentThreadRedraftValue: string
  36
  37   threadComments: { [ id: number ]: VideoCommentThreadTree } = {}
  38   threadLoading: { [ id: number ]: boolean } = {}
  39
  40   syndicationItems: Syndication[] = []
  41
  42   onDataSubject = new Subject<any[]>()
  43
  44   private sub: Subscription
  45
  46   constructor (
  47     private authService: AuthService,
  48     private notifier: Notifier,
  49     private confirmService: ConfirmService,
  50     private videoCommentService: VideoCommentService,
  51     private activatedRoute: ActivatedRoute,
  52     private hooks: HooksService
  53   ) {}
  54
  55   ngOnInit () {
  56     // Find highlighted comment in params
  57     this.sub = this.activatedRoute.params.subscribe(
  58       params => {
  59         if (params['threadId']) {
  60           const highlightedThreadId = +params['threadId']
  61           this.processHighlightedThread(highlightedThreadId)
  62         }
  63       }
  64     )
  65   }
  66
  67   ngOnChanges (changes: SimpleChanges) {
  68     if (changes['video']) {
  69       this.resetVideo()
  70     }
  71   }
  72
  73   ngOnDestroy () {
  74     if (this.sub) this.sub.unsubscribe()
  75   }
  76
  77   viewReplies (commentId: number, highlightThread = false) {
  78     this.threadLoading[commentId] = true
  79
  80     const params = {
  81       videoId: this.video.id,
  82       threadId: commentId
  83     }
  84
  85     const obs = this.hooks.wrapObsFun(
  86       this.videoCommentService.getVideoThreadComments.bind(this.videoCommentService),
  87       params,
  88       'video-watch',
  89       'filter:api.video-watch.video-thread-replies.list.params',
  90       'filter:api.video-watch.video-thread-replies.list.result'
  91     )
  92
  93     obs.subscribe({
  94       next: res => {
  95         this.threadComments[commentId] = res
  96         this.threadLoading[commentId] = false
  97         this.hooks.runAction('action:video-watch.video-thread-replies.loaded', 'video-watch', { data: res })
  98
  99         if (highlightThread) {
 100           this.highlightedThread = new VideoComment(res.comment)
 101
 102           // Scroll to the highlighted thread
 103           setTimeout(() => this.commentHighlightBlock.nativeElement.scrollIntoView(), 0)
 104         }
 105       },
 106
 107       error: err => this.notifier.error(err.message)
 108     })
 109   }
 110
 111   loadMoreThreads () {
 112     const params = {
 113       videoId: this.video.id,
 114       componentPagination: this.componentPagination,
 115       sort: this.sort
 116     }
 117
 118     const obs = this.hooks.wrapObsFun(
 119       this.videoCommentService.getVideoCommentThreads.bind(this.videoCommentService),
 120       params,
 121       'video-watch',
 122       'filter:api.video-watch.video-threads.list.params',
 123       'filter:api.video-watch.video-threads.list.result'
 124     )
 125
 126     obs.subscribe({
 127       next: res => {
 128         this.comments = this.comments.concat(res.data)
 129         this.componentPagination.totalItems = res.total
 130         this.totalNotDeletedComments = res.totalNotDeletedComments
 131
 132         this.onDataSubject.next(res.data)
 133         this.hooks.runAction('action:video-watch.video-threads.loaded', 'video-watch', { data: this.componentPagination })
 134       },
 135
 136       error: err => this.notifier.error(err.message)
 137     })
 138   }
 139
 140   onCommentThreadCreated (comment: VideoComment) {
 141     this.comments.unshift(comment)
 142     this.commentThreadRedraftValue = undefined
 143   }
 144
 145   onWantedToReply (comment: VideoComment) {
 146     this.inReplyToCommentId = comment.id
 147   }
 148
 149   onResetReply () {
 150     this.inReplyToCommentId = undefined
 151     this.commentReplyRedraftValue = undefined
 152   }
 153
 154   onThreadCreated (commentTree: VideoCommentThreadTree) {
 155     this.viewReplies(commentTree.comment.id)
 156   }
 157
 158   handleSortChange (sort: string) {
 159     if (this.sort === sort) return
 160
 161     this.sort = sort
 162     this.resetVideo()
 163   }
 164
 165   handleTimestampClicked (timestamp: number) {
 166     this.timestampClicked.emit(timestamp)
 167   }
 168
 169   async onWantedToDelete (
 170     commentToDelete: VideoComment,
 171     title = $localize`Delete`,
 172     message = $localize`Do you really want to delete this comment?`
 173   ): Promise<boolean> {
 174     if (commentToDelete.isLocal || this.video.isLocal) {
 175       message += $localize` The deletion will be sent to remote instances so they can reflect the change.`
 176     } else {
 177       message += $localize` It is a remote comment, so the deletion will only be effective on your instance.`
 178     }
 179
 180     const res = await this.confirmService.confirm(message, title)
 181     if (res === false) return false
 182
 183     this.videoCommentService.deleteVideoComment(commentToDelete.videoId, commentToDelete.id)
 184       .subscribe({
 185         next: () => {
 186           if (this.highlightedThread?.id === commentToDelete.id) {
 187             commentToDelete = this.comments.find(c => c.id === commentToDelete.id)
 188
 189             this.highlightedThread = undefined
 190           }
 191
 192           // Mark the comment as deleted
 193           this.softDeleteComment(commentToDelete)
 194         },
 195
 196         error: err => this.notifier.error(err.message)
 197       })
 198
 199     return true
 200   }
 201
 202   async onWantedToRedraft (commentToRedraft: VideoComment) {
 203     const confirm = await this.onWantedToDelete(commentToRedraft, $localize`Delete and re-draft`, $localize`Do you really want to delete and re-draft this comment?`)
 204
 205     if (confirm) {
 206       this.inReplyToCommentId = commentToRedraft.inReplyToCommentId
 207
 208       // Restore line feed for editing
 209       const commentToRedraftText = commentToRedraft.text.replace(/<br.?\/?>/g, '\r\n')
 210
 211       if (commentToRedraft.threadId === commentToRedraft.id) {
 212         this.commentThreadRedraftValue = commentToRedraftText
 213       } else {
 214         this.commentReplyRedraftValue = commentToRedraftText
 215       }
 216
 217     }
 218   }
 219
 220   isUserLoggedIn () {
 221     return this.authService.isLoggedIn()
 222   }
 223
 224   onNearOfBottom () {
 225     if (hasMoreItems(this.componentPagination)) {
 226       this.componentPagination.currentPage++
 227       this.loadMoreThreads()
 228     }
 229   }
 230
 231   private softDeleteComment (comment: VideoComment) {
 232     comment.isDeleted = true
 233     comment.deletedAt = new Date()
 234     comment.text = ''
 235     comment.account = null
 236   }
 237
 238   private resetVideo () {
 239     if (this.video.commentsEnabled === true) {
 240       // Reset all our fields
 241       this.highlightedThread = null
 242       this.comments = []
 243       this.threadComments = {}
 244       this.threadLoading = {}
 245       this.inReplyToCommentId = undefined
 246       this.componentPagination.currentPage = 1
 247       this.componentPagination.totalItems = null
 248       this.totalNotDeletedComments = null
 249
 250       this.syndicationItems = this.videoCommentService.getVideoCommentsFeeds(this.video)
 251       this.loadMoreThreads()
 252     }
 253   }
 254
 255   private processHighlightedThread (highlightedThreadId: number) {
 256     this.highlightedThread = this.comments.find(c => c.id === highlightedThreadId)
 257
 258     const highlightThread = true
 259     this.viewReplies(highlightedThreadId, highlightThread)
 260   }
 261 }