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