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

   1 import { catchError } from 'rxjs/operators'
   2 import { ChangeDetectorRef, Component, ElementRef, Inject, LOCALE_ID, NgZone, OnDestroy, OnInit, ViewChild } from '@angular/core'
   3 import { ActivatedRoute, Router } from '@angular/router'
   4 import { RedirectService } from '@app/core/routing/redirect.service'
   5 import { peertubeLocalStorage } from '@app/shared/misc/peertube-local-storage'
   6 import { VideoSupportComponent } from '@app/videos/+video-watch/modal/video-support.component'
   7 import { MetaService } from '@ngx-meta/core'
   8 import { NotificationsService } from 'angular2-notifications'
   9 import { forkJoin, Subscription } from 'rxjs'
  10 import * as videojs from 'video.js'
  11 import 'videojs-hotkeys'
  12 import * as WebTorrent from 'webtorrent'
  13 import { UserVideoRateType, VideoPrivacy, VideoRateType, VideoState } from '../../../../../shared'
  14 import '../../../assets/player/peertube-videojs-plugin'
  15 import { AuthService, ConfirmService } from '../../core'
  16 import { RestExtractor, VideoBlacklistService } from '../../shared'
  17 import { VideoDetails } from '../../shared/video/video-details.model'
  18 import { Video } from '../../shared/video/video.model'
  19 import { VideoService } from '../../shared/video/video.service'
  20 import { MarkdownService } from '../shared'
  21 import { VideoDownloadComponent } from './modal/video-download.component'
  22 import { VideoReportComponent } from './modal/video-report.component'
  23 import { VideoShareComponent } from './modal/video-share.component'
  24 import { VideoBlacklistComponent } from './modal/video-blacklist.component'
  25 import { addContextMenu, getVideojsOptions, loadLocale } from '../../../assets/player/peertube-player'
  26 import { ServerService } from '@app/core'
  27 import { I18n } from '@ngx-translate/i18n-polyfill'
  28 import { environment } from '../../../environments/environment'
  29 import { getDevLocale, isOnDevLocale } from '@app/shared/i18n/i18n-utils'
  30 import { VideoCaptionService } from '@app/shared/video-caption'
  31 import { VideoCaption } from '../../../../../shared/models/videos/video-caption.model'
  32
  33 @Component({
  34   selector: 'my-video-watch',
  35   templateUrl: './video-watch.component.html',
  36   styleUrls: [ './video-watch.component.scss' ]
  37 })
  38 export class VideoWatchComponent implements OnInit, OnDestroy {
  39   private static LOCAL_STORAGE_PRIVACY_CONCERN_KEY = 'video-watch-privacy-concern'
  40
  41   @ViewChild('videoDownloadModal') videoDownloadModal: VideoDownloadComponent
  42   @ViewChild('videoShareModal') videoShareModal: VideoShareComponent
  43   @ViewChild('videoReportModal') videoReportModal: VideoReportComponent
  44   @ViewChild('videoSupportModal') videoSupportModal: VideoSupportComponent
  45   @ViewChild('videoBlacklistModal') videoBlacklistModal: VideoBlacklistComponent
  46
  47   otherVideosDisplayed: Video[] = []
  48
  49   player: videojs.Player
  50   playerElement: HTMLVideoElement
  51   userRating: UserVideoRateType = null
  52   video: VideoDetails = null
  53   descriptionLoading = false
  54
  55   completeDescriptionShown = false
  56   completeVideoDescription: string
  57   shortVideoDescription: string
  58   videoHTMLDescription = ''
  59   likesBarTooltipText = ''
  60   hasAlreadyAcceptedPrivacyConcern = false
  61   remoteServerDown = false
  62
  63   private videojsLocaleLoaded = false
  64   private otherVideos: Video[] = []
  65   private paramsSub: Subscription
  66
  67   constructor (
  68     private elementRef: ElementRef,
  69     private changeDetector: ChangeDetectorRef,
  70     private route: ActivatedRoute,
  71     private router: Router,
  72     private videoService: VideoService,
  73     private videoBlacklistService: VideoBlacklistService,
  74     private confirmService: ConfirmService,
  75     private metaService: MetaService,
  76     private authService: AuthService,
  77     private serverService: ServerService,
  78     private restExtractor: RestExtractor,
  79     private notificationsService: NotificationsService,
  80     private markdownService: MarkdownService,
  81     private zone: NgZone,
  82     private redirectService: RedirectService,
  83     private videoCaptionService: VideoCaptionService,
  84     private i18n: I18n,
  85     @Inject(LOCALE_ID) private localeId: string
  86   ) {}
  87
  88   get user () {
  89     return this.authService.getUser()
  90   }
  91
  92   ngOnInit () {
  93     if (
  94       WebTorrent.WEBRTC_SUPPORT === false ||
  95       peertubeLocalStorage.getItem(VideoWatchComponent.LOCAL_STORAGE_PRIVACY_CONCERN_KEY) === 'true'
  96     ) {
  97       this.hasAlreadyAcceptedPrivacyConcern = true
  98     }
  99
 100     this.videoService.getVideos({ currentPage: 1, itemsPerPage: 5 }, '-createdAt')
 101         .subscribe(
 102           data => {
 103             this.otherVideos = data.videos
 104             this.updateOtherVideosDisplayed()
 105           },
 106
 107           err => console.error(err)
 108         )
 109
 110     this.paramsSub = this.route.params.subscribe(routeParams => {
 111       const uuid = routeParams[ 'uuid' ]
 112
 113       // Video did not change
 114       if (this.video && this.video.uuid === uuid) return
 115
 116       if (this.player) this.player.pause()
 117
 118       // Video did change
 119       forkJoin(
 120         this.videoService.getVideo(uuid),
 121         this.videoCaptionService.listCaptions(uuid)
 122       )
 123         .pipe(
 124           catchError(err => this.restExtractor.redirectTo404IfNotFound(err, [ 400, 404 ]))
 125         )
 126         .subscribe(([ video, captionsResult ]) => {
 127           const startTime = this.route.snapshot.queryParams.start
 128           this.onVideoFetched(video, captionsResult.data, startTime)
 129               .catch(err => this.handleError(err))
 130         })
 131     })
 132   }
 133
 134   ngOnDestroy () {
 135     this.flushPlayer()
 136
 137     // Unsubscribe subscriptions
 138     this.paramsSub.unsubscribe()
 139   }
 140
 141   setLike () {
 142     if (this.isUserLoggedIn() === false) return
 143     if (this.userRating === 'like') {
 144       // Already liked this video
 145       this.setRating('none')
 146     } else {
 147       this.setRating('like')
 148     }
 149   }
 150
 151   setDislike () {
 152     if (this.isUserLoggedIn() === false) return
 153     if (this.userRating === 'dislike') {
 154       // Already disliked this video
 155       this.setRating('none')
 156     } else {
 157       this.setRating('dislike')
 158     }
 159   }
 160
 161   showMoreDescription () {
 162     if (this.completeVideoDescription === undefined) {
 163       return this.loadCompleteDescription()
 164     }
 165
 166     this.updateVideoDescription(this.completeVideoDescription)
 167     this.completeDescriptionShown = true
 168   }
 169
 170   showLessDescription () {
 171     this.updateVideoDescription(this.shortVideoDescription)
 172     this.completeDescriptionShown = false
 173   }
 174
 175   loadCompleteDescription () {
 176     this.descriptionLoading = true
 177
 178     this.videoService.loadCompleteDescription(this.video.descriptionPath)
 179         .subscribe(
 180           description => {
 181             this.completeDescriptionShown = true
 182             this.descriptionLoading = false
 183
 184             this.shortVideoDescription = this.video.description
 185             this.completeVideoDescription = description
 186
 187             this.updateVideoDescription(this.completeVideoDescription)
 188           },
 189
 190           error => {
 191             this.descriptionLoading = false
 192             this.notificationsService.error(this.i18n('Error'), error.message)
 193           }
 194         )
 195   }
 196
 197   showReportModal (event: Event) {
 198     event.preventDefault()
 199     this.videoReportModal.show()
 200   }
 201
 202   showSupportModal () {
 203     this.videoSupportModal.show()
 204   }
 205
 206   showShareModal () {
 207     this.videoShareModal.show()
 208   }
 209
 210   showDownloadModal (event: Event) {
 211     event.preventDefault()
 212     this.videoDownloadModal.show()
 213   }
 214
 215   showBlacklistModal (event: Event) {
 216     event.preventDefault()
 217     this.videoBlacklistModal.show()
 218   }
 219
 220   isUserLoggedIn () {
 221     return this.authService.isLoggedIn()
 222   }
 223
 224   isVideoUpdatable () {
 225     return this.video.isUpdatableBy(this.authService.getUser())
 226   }
 227
 228   isVideoBlacklistable () {
 229     return this.video.isBlackistableBy(this.user)
 230   }
 231
 232   getVideoPoster () {
 233     if (!this.video) return ''
 234
 235     return this.video.previewUrl
 236   }
 237
 238   getVideoTags () {
 239     if (!this.video || Array.isArray(this.video.tags) === false) return []
 240
 241     return this.video.tags
 242   }
 243
 244   isVideoRemovable () {
 245     return this.video.isRemovableBy(this.authService.getUser())
 246   }
 247
 248   async removeVideo (event: Event) {
 249     event.preventDefault()
 250
 251     const res = await this.confirmService.confirm(this.i18n('Do you really want to delete this video?'), this.i18n('Delete'))
 252     if (res === false) return
 253
 254     this.videoService.removeVideo(this.video.id)
 255         .subscribe(
 256           status => {
 257             this.notificationsService.success(
 258               this.i18n('Success'),
 259               this.i18n('Video {{videoName}} deleted.', { videoName: this.video.name })
 260             )
 261
 262             // Go back to the video-list.
 263             this.redirectService.redirectToHomepage()
 264           },
 265
 266           error => this.notificationsService.error(this.i18n('Error'), error.message)
 267         )
 268   }
 269
 270   acceptedPrivacyConcern () {
 271     peertubeLocalStorage.setItem(VideoWatchComponent.LOCAL_STORAGE_PRIVACY_CONCERN_KEY, 'true')
 272     this.hasAlreadyAcceptedPrivacyConcern = true
 273   }
 274
 275   isVideoToTranscode () {
 276     return this.video && this.video.state.id === VideoState.TO_TRANSCODE
 277   }
 278
 279   isVideoToImport () {
 280     return this.video && this.video.state.id === VideoState.TO_IMPORT
 281   }
 282
 283   hasVideoScheduledPublication () {
 284     return this.video && this.video.scheduledUpdate !== undefined
 285   }
 286
 287   private updateVideoDescription (description: string) {
 288     this.video.description = description
 289     this.setVideoDescriptionHTML()
 290   }
 291
 292   private setVideoDescriptionHTML () {
 293     this.videoHTMLDescription = this.markdownService.textMarkdownToHTML(this.video.description)
 294   }
 295
 296   private setVideoLikesBarTooltipText () {
 297     this.likesBarTooltipText = this.i18n('{{likesNumber}} likes / {{dislikesNumber}} dislikes', {
 298       likesNumber: this.video.likes,
 299       dislikesNumber: this.video.dislikes
 300     })
 301   }
 302
 303   private handleError (err: any) {
 304     const errorMessage: string = typeof err === 'string' ? err : err.message
 305     if (!errorMessage) return
 306
 307     // Display a message in the video player instead of a notification
 308     if (errorMessage.indexOf('from xs param') !== -1) {
 309       this.flushPlayer()
 310       this.remoteServerDown = true
 311       this.changeDetector.detectChanges()
 312
 313       return
 314     }
 315
 316     this.notificationsService.error(this.i18n('Error'), errorMessage)
 317   }
 318
 319   private checkUserRating () {
 320     // Unlogged users do not have ratings
 321     if (this.isUserLoggedIn() === false) return
 322
 323     this.videoService.getUserVideoRating(this.video.id)
 324         .subscribe(
 325           ratingObject => {
 326             if (ratingObject) {
 327               this.userRating = ratingObject.rating
 328             }
 329           },
 330
 331           err => this.notificationsService.error(this.i18n('Error'), err.message)
 332         )
 333   }
 334
 335   private async onVideoFetched (video: VideoDetails, videoCaptions: VideoCaption[], startTime = 0) {
 336     this.video = video
 337
 338     // Re init attributes
 339     this.descriptionLoading = false
 340     this.completeDescriptionShown = false
 341     this.remoteServerDown = false
 342
 343     this.updateOtherVideosDisplayed()
 344
 345     if (this.video.isVideoNSFWForUser(this.user, this.serverService.getConfig())) {
 346       const res = await this.confirmService.confirm(
 347         this.i18n('This video contains mature or explicit content. Are you sure you want to watch it?'),
 348         this.i18n('Mature or explicit content')
 349       )
 350       if (res === false) return this.redirectService.redirectToHomepage()
 351     }
 352
 353     // Flush old player if needed
 354     this.flushPlayer()
 355
 356     // Build video element, because videojs remove it on dispose
 357     const playerElementWrapper = this.elementRef.nativeElement.querySelector('#video-element-wrapper')
 358     this.playerElement = document.createElement('video')
 359     this.playerElement.className = 'video-js vjs-peertube-skin'
 360     this.playerElement.setAttribute('playsinline', 'true')
 361     playerElementWrapper.appendChild(this.playerElement)
 362
 363     const playerCaptions = videoCaptions.map(c => ({
 364       label: c.language.label,
 365       language: c.language.id,
 366       src: environment.apiUrl + c.captionPath
 367     }))
 368
 369     const videojsOptions = getVideojsOptions({
 370       autoplay: this.isAutoplay(),
 371       inactivityTimeout: 2500,
 372       videoFiles: this.video.files,
 373       videoCaptions: playerCaptions,
 374       playerElement: this.playerElement,
 375       videoViewUrl: this.video.privacy.id !== VideoPrivacy.PRIVATE ? this.videoService.getVideoViewUrl(this.video.uuid) : null,
 376       videoDuration: this.video.duration,
 377       enableHotkeys: true,
 378       peertubeLink: false,
 379       poster: this.video.previewUrl,
 380       startTime,
 381       theaterMode: true
 382     })
 383
 384     if (this.videojsLocaleLoaded === false) {
 385       await loadLocale(environment.apiUrl, videojs, isOnDevLocale() ? getDevLocale() : this.localeId)
 386       this.videojsLocaleLoaded = true
 387     }
 388
 389     const self = this
 390     this.zone.runOutsideAngular(async () => {
 391       videojs(this.playerElement, videojsOptions, function () {
 392         self.player = this
 393         this.on('customError', (event, data) => self.handleError(data.err))
 394
 395         addContextMenu(self.player, self.video.embedUrl)
 396       })
 397     })
 398
 399     this.setVideoDescriptionHTML()
 400     this.setVideoLikesBarTooltipText()
 401
 402     this.setOpenGraphTags()
 403     this.checkUserRating()
 404   }
 405
 406   private setRating (nextRating) {
 407     let method
 408     switch (nextRating) {
 409       case 'like':
 410         method = this.videoService.setVideoLike
 411         break
 412       case 'dislike':
 413         method = this.videoService.setVideoDislike
 414         break
 415       case 'none':
 416         method = this.videoService.unsetVideoLike
 417         break
 418     }
 419
 420     method.call(this.videoService, this.video.id)
 421           .subscribe(
 422             () => {
 423               // Update the video like attribute
 424               this.updateVideoRating(this.userRating, nextRating)
 425               this.userRating = nextRating
 426             },
 427
 428             err => this.notificationsService.error(this.i18n('Error'), err.message)
 429           )
 430   }
 431
 432   private updateVideoRating (oldRating: UserVideoRateType, newRating: VideoRateType) {
 433     let likesToIncrement = 0
 434     let dislikesToIncrement = 0
 435
 436     if (oldRating) {
 437       if (oldRating === 'like') likesToIncrement--
 438       if (oldRating === 'dislike') dislikesToIncrement--
 439     }
 440
 441     if (newRating === 'like') likesToIncrement++
 442     if (newRating === 'dislike') dislikesToIncrement++
 443
 444     this.video.likes += likesToIncrement
 445     this.video.dislikes += dislikesToIncrement
 446
 447     this.video.buildLikeAndDislikePercents()
 448     this.setVideoLikesBarTooltipText()
 449   }
 450
 451   private updateOtherVideosDisplayed () {
 452     if (this.video && this.otherVideos && this.otherVideos.length > 0) {
 453       this.otherVideosDisplayed = this.otherVideos.filter(v => v.uuid !== this.video.uuid)
 454     }
 455   }
 456
 457   private setOpenGraphTags () {
 458     this.metaService.setTitle(this.video.name)
 459
 460     this.metaService.setTag('og:type', 'video')
 461
 462     this.metaService.setTag('og:title', this.video.name)
 463     this.metaService.setTag('name', this.video.name)
 464
 465     this.metaService.setTag('og:description', this.video.description)
 466     this.metaService.setTag('description', this.video.description)
 467
 468     this.metaService.setTag('og:image', this.video.previewPath)
 469
 470     this.metaService.setTag('og:duration', this.video.duration.toString())
 471
 472     this.metaService.setTag('og:site_name', 'PeerTube')
 473
 474     this.metaService.setTag('og:url', window.location.href)
 475     this.metaService.setTag('url', window.location.href)
 476   }
 477
 478   private isAutoplay () {
 479     // We'll jump to the thread id, so do not play the video
 480     if (this.route.snapshot.params['threadId']) return false
 481
 482     // Otherwise true by default
 483     if (!this.user) return true
 484
 485     // Be sure the autoPlay is set to false
 486     return this.user.autoPlayVideo !== false
 487   }
 488
 489   private flushPlayer () {
 490     // Remove player if it exists
 491     if (this.player) {
 492       this.player.dispose()
 493       this.player = undefined
 494     }
 495   }
 496 }