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 { I18n } from '@ngx-translate/i18n-polyfill'
   8 import { VideoCommentThreadTree } from './video-comment-thread-tree.model'
   9 import { VideoComment } from './video-comment.model'
  10 import { VideoCommentService } from './video-comment.service'
  11
  12 @Component({
  13   selector: 'my-video-comments',
  14   templateUrl: './video-comments.component.html',
  15   styleUrls: ['./video-comments.component.scss']
  16 })
  17 export class VideoCommentsComponent implements OnInit, OnChanges, OnDestroy {
  18   @ViewChild('commentHighlightBlock') commentHighlightBlock: ElementRef
  19   @Input() video: VideoDetails
  20   @Input() user: User
  21
  22   @Output() timestampClicked = new EventEmitter<number>()
  23
  24   comments: VideoComment[] = []
  25   highlightedThread: VideoComment
  26   sort = '-createdAt'
  27   componentPagination: ComponentPagination = {
  28     currentPage: 1,
  29     itemsPerPage: 10,
  30     totalItems: null
  31   }
  32   inReplyToCommentId: number
  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 i18n: I18n,
  49     private hooks: HooksService
  50   ) {}
  51
  52   ngOnInit () {
  53     // Find highlighted comment in params
  54     this.sub = this.activatedRoute.params.subscribe(
  55       params => {
  56         if (params['threadId']) {
  57           const highlightedThreadId = +params['threadId']
  58           this.processHighlightedThread(highlightedThreadId)
  59         }
  60       }
  61     )
  62   }
  63
  64   ngOnChanges (changes: SimpleChanges) {
  65     if (changes['video']) {
  66       this.resetVideo()
  67     }
  68   }
  69
  70   ngOnDestroy () {
  71     if (this.sub) this.sub.unsubscribe()
  72   }
  73
  74   viewReplies (commentId: number, highlightThread = false) {
  75     this.threadLoading[commentId] = true
  76
  77     const params = {
  78       videoId: this.video.id,
  79       threadId: commentId
  80     }
  81
  82     const obs = this.hooks.wrapObsFun(
  83       this.videoCommentService.getVideoThreadComments.bind(this.videoCommentService),
  84       params,
  85       'video-watch',
  86       'filter:api.video-watch.video-thread-replies.list.params',
  87       'filter:api.video-watch.video-thread-replies.list.result'
  88     )
  89
  90     obs.subscribe(
  91         res => {
  92           this.threadComments[commentId] = res
  93           this.threadLoading[commentId] = false
  94           this.hooks.runAction('action:video-watch.video-thread-replies.loaded', 'video-watch', { data: res })
  95
  96           if (highlightThread) {
  97             this.highlightedThread = new VideoComment(res.comment)
  98
  99             // Scroll to the highlighted thread
 100             setTimeout(() => this.commentHighlightBlock.nativeElement.scrollIntoView(), 0)
 101           }
 102         },
 103
 104         err => this.notifier.error(err.message)
 105       )
 106   }
 107
 108   loadMoreThreads () {
 109     const params = {
 110       videoId: this.video.id,
 111       componentPagination: this.componentPagination,
 112       sort: this.sort
 113     }
 114
 115     const obs = this.hooks.wrapObsFun(
 116       this.videoCommentService.getVideoCommentThreads.bind(this.videoCommentService),
 117       params,
 118       'video-watch',
 119       'filter:api.video-watch.video-threads.list.params',
 120       'filter:api.video-watch.video-threads.list.result'
 121     )
 122
 123     obs.subscribe(
 124       res => {
 125         this.comments = this.comments.concat(res.data)
 126         this.componentPagination.totalItems = res.total
 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   }
 139
 140   onWantedToReply (comment: VideoComment) {
 141     this.inReplyToCommentId = comment.id
 142   }
 143
 144   onResetReply () {
 145     this.inReplyToCommentId = undefined
 146   }
 147
 148   onThreadCreated (commentTree: VideoCommentThreadTree) {
 149     this.viewReplies(commentTree.comment.id)
 150   }
 151
 152   handleSortChange (sort: string) {
 153     if (this.sort === sort) return
 154
 155     this.sort = sort
 156     this.resetVideo()
 157   }
 158
 159   handleTimestampClicked (timestamp: number) {
 160     this.timestampClicked.emit(timestamp)
 161   }
 162
 163   async onWantedToDelete (commentToDelete: VideoComment) {
 164     let message = 'Do you really want to delete this comment?'
 165
 166     if (commentToDelete.isLocal || this.video.isLocal) {
 167       message += this.i18n(' The deletion will be sent to remote instances so they can reflect the change.')
 168     } else {
 169       message += this.i18n(' It is a remote comment, so the deletion will only be effective on your instance.')
 170     }
 171
 172     const res = await this.confirmService.confirm(message, this.i18n('Delete'))
 173     if (res === false) return
 174
 175     this.videoCommentService.deleteVideoComment(commentToDelete.videoId, commentToDelete.id)
 176       .subscribe(
 177         () => {
 178           if (this.highlightedThread?.id === commentToDelete.id) {
 179             commentToDelete = this.comments.find(c => c.id === commentToDelete.id)
 180
 181             this.highlightedThread = undefined
 182           }
 183
 184           // Mark the comment as deleted
 185           this.softDeleteComment(commentToDelete)
 186         },
 187
 188         err => this.notifier.error(err.message)
 189       )
 190   }
 191
 192   isUserLoggedIn () {
 193     return this.authService.isLoggedIn()
 194   }
 195
 196   onNearOfBottom () {
 197     if (hasMoreItems(this.componentPagination)) {
 198       this.componentPagination.currentPage++
 199       this.loadMoreThreads()
 200     }
 201   }
 202
 203   private softDeleteComment (comment: VideoComment) {
 204     comment.isDeleted = true
 205     comment.deletedAt = new Date()
 206     comment.text = ''
 207     comment.account = null
 208   }
 209
 210   private resetVideo () {
 211     if (this.video.commentsEnabled === true) {
 212       // Reset all our fields
 213       this.highlightedThread = null
 214       this.comments = []
 215       this.threadComments = {}
 216       this.threadLoading = {}
 217       this.inReplyToCommentId = undefined
 218       this.componentPagination.currentPage = 1
 219       this.componentPagination.totalItems = null
 220
 221       this.syndicationItems = this.videoCommentService.getVideoCommentsFeeds(this.video.uuid)
 222       this.loadMoreThreads()
 223     }
 224   }
 225
 226   private processHighlightedThread (highlightedThreadId: number) {
 227     this.highlightedThread = this.comments.find(c => c.id === highlightedThreadId)
 228
 229     const highlightThread = true
 230     this.viewReplies(highlightedThreadId, highlightThread)
 231   }
 232 }