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   sort = '-createdAt'
  25   componentPagination: ComponentPagination = {
  26     currentPage: 1,
  27     itemsPerPage: 10,
  28     totalItems: null
  29   }
  30   inReplyToCommentId: number
  31   commentReplyRedraftValue: string
  32   commentThreadRedraftValue: string
  33   threadComments: { [ id: number ]: VideoCommentThreadTree } = {}
  34   threadLoading: { [ id: number ]: boolean } = {}
  35
  36   syndicationItems: Syndication[] = []
  37
  38   onDataSubject = new Subject<any[]>()
  39
  40   private sub: Subscription
  41
  42   constructor (
  43     private authService: AuthService,
  44     private notifier: Notifier,
  45     private confirmService: ConfirmService,
  46     private videoCommentService: VideoCommentService,
  47     private activatedRoute: ActivatedRoute,
  48     private hooks: HooksService
  49   ) {}
  50
  51   ngOnInit () {
  52     // Find highlighted comment in params
  53     this.sub = this.activatedRoute.params.subscribe(
  54       params => {
  55         if (params['threadId']) {
  56           const highlightedThreadId = +params['threadId']
  57           this.processHighlightedThread(highlightedThreadId)
  58         }
  59       }
  60     )
  61   }
  62
  63   ngOnChanges (changes: SimpleChanges) {
  64     if (changes['video']) {
  65       this.resetVideo()
  66     }
  67   }
  68
  69   ngOnDestroy () {
  70     if (this.sub) this.sub.unsubscribe()
  71   }
  72
  73   viewReplies (commentId: number, highlightThread = false) {
  74     this.threadLoading[commentId] = true
  75
  76     const params = {
  77       videoId: this.video.id,
  78       threadId: commentId
  79     }
  80
  81     const obs = this.hooks.wrapObsFun(
  82       this.videoCommentService.getVideoThreadComments.bind(this.videoCommentService),
  83       params,
  84       'video-watch',
  85       'filter:api.video-watch.video-thread-replies.list.params',
  86       'filter:api.video-watch.video-thread-replies.list.result'
  87     )
  88
  89     obs.subscribe(
  90         res => {
  91           this.threadComments[commentId] = res
  92           this.threadLoading[commentId] = false
  93           this.hooks.runAction('action:video-watch.video-thread-replies.loaded', 'video-watch', { data: res })
  94
  95           if (highlightThread) {
  96             this.highlightedThread = new VideoComment(res.comment)
  97
  98             // Scroll to the highlighted thread
  99             setTimeout(() => this.commentHighlightBlock.nativeElement.scrollIntoView(), 0)
 100           }
 101         },
 102
 103         err => this.notifier.error(err.message)
 104       )
 105   }
 106
 107   loadMoreThreads () {
 108     const params = {
 109       videoId: this.video.id,
 110       componentPagination: this.componentPagination,
 111       sort: this.sort
 112     }
 113
 114     const obs = this.hooks.wrapObsFun(
 115       this.videoCommentService.getVideoCommentThreads.bind(this.videoCommentService),
 116       params,
 117       'video-watch',
 118       'filter:api.video-watch.video-threads.list.params',
 119       'filter:api.video-watch.video-threads.list.result'
 120     )
 121
 122     obs.subscribe(
 123       res => {
 124         this.comments = this.comments.concat(res.data)
 125         // Client does not display removed comments
 126         this.componentPagination.totalItems = res.total - this.comments.filter(c => c.isDeleted).length
 127
 128         this.onDataSubject.next(res.data)
 129         this.hooks.runAction('action:video-watch.video-threads.loaded', 'video-watch', { data: this.componentPagination })
 130       },
 131
 132       err => this.notifier.error(err.message)
 133     )
 134   }
 135
 136   onCommentThreadCreated (comment: VideoComment) {
 137     this.comments.unshift(comment)
 138     this.commentThreadRedraftValue = undefined
 139   }
 140
 141   onWantedToReply (comment: VideoComment) {
 142     this.inReplyToCommentId = comment.id
 143   }
 144
 145   onResetReply () {
 146     this.inReplyToCommentId = undefined
 147     this.commentReplyRedraftValue = undefined
 148   }
 149
 150   onThreadCreated (commentTree: VideoCommentThreadTree) {
 151     this.viewReplies(commentTree.comment.id)
 152   }
 153
 154   handleSortChange (sort: string) {
 155     if (this.sort === sort) return
 156
 157     this.sort = sort
 158     this.resetVideo()
 159   }
 160
 161   handleTimestampClicked (timestamp: number) {
 162     this.timestampClicked.emit(timestamp)
 163   }
 164
 165   async onWantedToDelete (
 166     commentToDelete: VideoComment,
 167     title = $localize`Delete`,
 168     message = $localize`Do you really want to delete this comment?`
 169   ): Promise<boolean> {
 170     if (commentToDelete.isLocal || this.video.isLocal) {
 171       message += $localize` The deletion will be sent to remote instances so they can reflect the change.`
 172     } else {
 173       message += $localize` It is a remote comment, so the deletion will only be effective on your instance.`
 174     }
 175
 176     const res = await this.confirmService.confirm(message, title)
 177     if (res === false) return false
 178
 179     this.videoCommentService.deleteVideoComment(commentToDelete.videoId, commentToDelete.id)
 180       .subscribe(
 181         () => {
 182           if (this.highlightedThread?.id === commentToDelete.id) {
 183             commentToDelete = this.comments.find(c => c.id === commentToDelete.id)
 184
 185             this.highlightedThread = undefined
 186           }
 187
 188           // Mark the comment as deleted
 189           this.softDeleteComment(commentToDelete)
 190         },
 191
 192         err => this.notifier.error(err.message)
 193       )
 194
 195     return true
 196   }
 197
 198   async onWantedToRedraft (commentToRedraft: VideoComment) {
 199     const confirm = await this.onWantedToDelete(commentToRedraft, $localize`Delete and re-draft`, $localize`Do you really want to delete and re-draft this comment?`)
 200
 201     if (confirm) {
 202       this.inReplyToCommentId = commentToRedraft.inReplyToCommentId
 203
 204       // Restore line feed for editing
 205       const commentToRedraftText = commentToRedraft.text.replace(/<br.?\/?>/g, '\r\n')
 206
 207       if (commentToRedraft.threadId === commentToRedraft.id) {
 208         this.commentThreadRedraftValue = commentToRedraftText
 209       } else {
 210         this.commentReplyRedraftValue = commentToRedraftText
 211       }
 212
 213     }
 214   }
 215
 216   isUserLoggedIn () {
 217     return this.authService.isLoggedIn()
 218   }
 219
 220   onNearOfBottom () {
 221     if (hasMoreItems(this.componentPagination)) {
 222       this.componentPagination.currentPage++
 223       this.loadMoreThreads()
 224     }
 225   }
 226
 227   private softDeleteComment (comment: VideoComment) {
 228     comment.isDeleted = true
 229     comment.deletedAt = new Date()
 230     comment.text = ''
 231     comment.account = null
 232   }
 233
 234   private resetVideo () {
 235     if (this.video.commentsEnabled === true) {
 236       // Reset all our fields
 237       this.highlightedThread = null
 238       this.comments = []
 239       this.threadComments = {}
 240       this.threadLoading = {}
 241       this.inReplyToCommentId = undefined
 242       this.componentPagination.currentPage = 1
 243       this.componentPagination.totalItems = null
 244
 245       this.syndicationItems = this.videoCommentService.getVideoCommentsFeeds(this.video.uuid)
 246       this.loadMoreThreads()
 247     }
 248   }
 249
 250   private processHighlightedThread (highlightedThreadId: number) {
 251     this.highlightedThread = this.comments.find(c => c.id === highlightedThreadId)
 252
 253     const highlightThread = true
 254     this.viewReplies(highlightedThreadId, highlightThread)
 255   }
 256 }