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 { ThisReceiver } from '@angular/compiler'
   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.id,
  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         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         err => this.notifier.error(err.message)
 109       )
 110   }
 111
 112   loadMoreThreads () {
 113     const params = {
 114       videoId: this.video.id,
 115       componentPagination: this.componentPagination,
 116       sort: this.sort
 117     }
 118
 119     const obs = this.hooks.wrapObsFun(
 120       this.videoCommentService.getVideoCommentThreads.bind(this.videoCommentService),
 121       params,
 122       'video-watch',
 123       'filter:api.video-watch.video-threads.list.params',
 124       'filter:api.video-watch.video-threads.list.result'
 125     )
 126
 127     obs.subscribe(
 128       res => {
 129         this.comments = this.comments.concat(res.data)
 130         this.componentPagination.totalItems = res.total
 131         this.totalNotDeletedComments = res.totalNotDeletedComments
 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     this.commentThreadRedraftValue = undefined
 144   }
 145
 146   onWantedToReply (comment: VideoComment) {
 147     this.inReplyToCommentId = comment.id
 148   }
 149
 150   onResetReply () {
 151     this.inReplyToCommentId = undefined
 152     this.commentReplyRedraftValue = undefined
 153   }
 154
 155   onThreadCreated (commentTree: VideoCommentThreadTree) {
 156     this.viewReplies(commentTree.comment.id)
 157   }
 158
 159   handleSortChange (sort: string) {
 160     if (this.sort === sort) return
 161
 162     this.sort = sort
 163     this.resetVideo()
 164   }
 165
 166   handleTimestampClicked (timestamp: number) {
 167     this.timestampClicked.emit(timestamp)
 168   }
 169
 170   async onWantedToDelete (
 171     commentToDelete: VideoComment,
 172     title = $localize`Delete`,
 173     message = $localize`Do you really want to delete this comment?`
 174   ): Promise<boolean> {
 175     if (commentToDelete.isLocal || this.video.isLocal) {
 176       message += $localize` The deletion will be sent to remote instances so they can reflect the change.`
 177     } else {
 178       message += $localize` It is a remote comment, so the deletion will only be effective on your instance.`
 179     }
 180
 181     const res = await this.confirmService.confirm(message, title)
 182     if (res === false) return false
 183
 184     this.videoCommentService.deleteVideoComment(commentToDelete.videoId, commentToDelete.id)
 185       .subscribe(
 186         () => {
 187           if (this.highlightedThread?.id === commentToDelete.id) {
 188             commentToDelete = this.comments.find(c => c.id === commentToDelete.id)
 189
 190             this.highlightedThread = undefined
 191           }
 192
 193           // Mark the comment as deleted
 194           this.softDeleteComment(commentToDelete)
 195         },
 196
 197         err => this.notifier.error(err.message)
 198       )
 199
 200     return true
 201   }
 202
 203   async onWantedToRedraft (commentToRedraft: VideoComment) {
 204     const confirm = await this.onWantedToDelete(commentToRedraft, $localize`Delete and re-draft`, $localize`Do you really want to delete and re-draft this comment?`)
 205
 206     if (confirm) {
 207       this.inReplyToCommentId = commentToRedraft.inReplyToCommentId
 208
 209       // Restore line feed for editing
 210       const commentToRedraftText = commentToRedraft.text.replace(/<br.?\/?>/g, '\r\n')
 211
 212       if (commentToRedraft.threadId === commentToRedraft.id) {
 213         this.commentThreadRedraftValue = commentToRedraftText
 214       } else {
 215         this.commentReplyRedraftValue = commentToRedraftText
 216       }
 217
 218     }
 219   }
 220
 221   isUserLoggedIn () {
 222     return this.authService.isLoggedIn()
 223   }
 224
 225   onNearOfBottom () {
 226     if (hasMoreItems(this.componentPagination)) {
 227       this.componentPagination.currentPage++
 228       this.loadMoreThreads()
 229     }
 230   }
 231
 232   private softDeleteComment (comment: VideoComment) {
 233     comment.isDeleted = true
 234     comment.deletedAt = new Date()
 235     comment.text = ''
 236     comment.account = null
 237   }
 238
 239   private resetVideo () {
 240     if (this.video.commentsEnabled === true) {
 241       // Reset all our fields
 242       this.highlightedThread = null
 243       this.comments = []
 244       this.threadComments = {}
 245       this.threadLoading = {}
 246       this.inReplyToCommentId = undefined
 247       this.componentPagination.currentPage = 1
 248       this.componentPagination.totalItems = null
 249       this.totalNotDeletedComments = null
 250
 251       this.syndicationItems = this.videoCommentService.getVideoCommentsFeeds(this.video.uuid)
 252       this.loadMoreThreads()
 253     }
 254   }
 255
 256   private processHighlightedThread (highlightedThreadId: number) {
 257     this.highlightedThread = this.comments.find(c => c.id === highlightedThreadId)
 258
 259     const highlightThread = true
 260     this.viewReplies(highlightedThreadId, highlightThread)
 261   }
 262 }