client/src/app/videos/+video-watch/comment/video-comments.component.ts

   1 import { Component, ElementRef, EventEmitter, Input, OnChanges, OnDestroy, OnInit, Output, SimpleChanges, ViewChild } from '@angular/core'
   2 import { ActivatedRoute } from '@angular/router'
   3 import { ConfirmService, Notifier } from '@app/core'
   4 import { Subject, Subscription } from 'rxjs'
   5 import { AuthService } from '../../../core/auth'
   6 import { ComponentPagination, hasMoreItems } from '../../../shared/rest/component-pagination.model'
   7 import { User } from '../../../shared/users'
   8 import { CommentSortField } from '../../../shared/video/sort-field.type'
   9 import { VideoDetails } from '../../../shared/video/video-details.model'
  10 import { VideoComment } from './video-comment.model'
  11 import { VideoCommentService } from './video-comment.service'
  12 import { I18n } from '@ngx-translate/i18n-polyfill'
  13 import { Syndication } from '@app/shared/video/syndication.model'
  14 import { HooksService } from '@app/core/plugins/hooks.service'
  15 import { VideoCommentThreadTree } from '@app/videos/+video-watch/comment/video-comment-thread-tree.model'
  16
  17 @Component({
  18   selector: 'my-video-comments',
  19   templateUrl: './video-comments.component.html',
  20   styleUrls: ['./video-comments.component.scss']
  21 })
  22 export class VideoCommentsComponent implements OnInit, OnChanges, OnDestroy {
  23   @ViewChild('commentHighlightBlock') commentHighlightBlock: ElementRef
  24   @Input() video: VideoDetails
  25   @Input() user: User
  26
  27   @Output() timestampClicked = new EventEmitter<number>()
  28
  29   comments: VideoComment[] = []
  30   highlightedThread: VideoComment
  31   sort: CommentSortField = '-createdAt'
  32   componentPagination: ComponentPagination = {
  33     currentPage: 1,
  34     itemsPerPage: 10,
  35     totalItems: null
  36   }
  37   inReplyToCommentId: number
  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 i18n: I18n,
  54     private hooks: HooksService
  55   ) {}
  56
  57   ngOnInit () {
  58     // Find highlighted comment in params
  59     this.sub = this.activatedRoute.params.subscribe(
  60       params => {
  61         if (params['threadId']) {
  62           const highlightedThreadId = +params['threadId']
  63           this.processHighlightedThread(highlightedThreadId)
  64         }
  65       }
  66     )
  67   }
  68
  69   ngOnChanges (changes: SimpleChanges) {
  70     if (changes['video']) {
  71       this.resetVideo()
  72     }
  73   }
  74
  75   ngOnDestroy () {
  76     if (this.sub) this.sub.unsubscribe()
  77   }
  78
  79   viewReplies (commentId: number, highlightThread = false) {
  80     this.threadLoading[commentId] = true
  81
  82     const params = {
  83       videoId: this.video.id,
  84       threadId: commentId
  85     }
  86
  87     const obs = this.hooks.wrapObsFun(
  88       this.videoCommentService.getVideoThreadComments.bind(this.videoCommentService),
  89       params,
  90       'video-watch',
  91       'filter:api.video-watch.video-thread-replies.list.params',
  92       'filter:api.video-watch.video-thread-replies.list.result'
  93     )
  94
  95     obs.subscribe(
  96         res => {
  97           this.threadComments[commentId] = res
  98           this.threadLoading[commentId] = false
  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
 132         this.onDataSubject.next(res.data)
 133       },
 134
 135       err => this.notifier.error(err.message)
 136     )
 137   }
 138
 139   onCommentThreadCreated (comment: VideoComment) {
 140     this.comments.unshift(comment)
 141   }
 142
 143   onWantedToReply (comment: VideoComment) {
 144     this.inReplyToCommentId = comment.id
 145   }
 146
 147   onResetReply () {
 148     this.inReplyToCommentId = undefined
 149   }
 150
 151   onThreadCreated (commentTree: VideoCommentThreadTree) {
 152     this.viewReplies(commentTree.comment.id)
 153   }
 154
 155   handleSortChange (sort: CommentSortField) {
 156     if (this.sort === sort) return
 157
 158     this.sort = sort
 159     this.resetVideo()
 160   }
 161
 162   handleTimestampClicked (timestamp: number) {
 163     this.timestampClicked.emit(timestamp)
 164   }
 165
 166   async onWantedToDelete (commentToDelete: VideoComment) {
 167     let message = 'Do you really want to delete this comment?'
 168
 169     if (commentToDelete.isLocal) {
 170       message += this.i18n(' The deletion will be sent to remote instances, so they remove the comment too.')
 171     } else {
 172       message += this.i18n(' It is a remote comment, so the deletion will only be effective on your instance.')
 173     }
 174
 175     const res = await this.confirmService.confirm(message, this.i18n('Delete'))
 176     if (res === false) return
 177
 178     this.videoCommentService.deleteVideoComment(commentToDelete.videoId, commentToDelete.id)
 179       .subscribe(
 180         () => {
 181           // Mark the comment as deleted
 182           this.softDeleteComment(commentToDelete)
 183
 184           if (this.highlightedThread.id === commentToDelete.id) this.highlightedThread = undefined
 185         },
 186
 187         err => this.notifier.error(err.message)
 188       )
 189   }
 190
 191   isUserLoggedIn () {
 192     return this.authService.isLoggedIn()
 193   }
 194
 195   onNearOfBottom () {
 196     this.componentPagination.currentPage++
 197
 198     if (hasMoreItems(this.componentPagination)) {
 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
 223       this.loadMoreThreads()
 224     }
 225   }
 226
 227   private processHighlightedThread (highlightedThreadId: number) {
 228     this.highlightedThread = this.comments.find(c => c.id === highlightedThreadId)
 229
 230     const highlightThread = true
 231     this.viewReplies(highlightedThreadId, highlightThread)
 232   }
 233 }