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 { Notifier, ServerService } from '@app/core'
   9 import { forkJoin, Observable, Subscription } from 'rxjs'
  10 import { Hotkey, HotkeysService } from 'angular2-hotkeys'
  11 import { UserVideoRateType, VideoCaption, VideoPrivacy, VideoState } from '../../../../../shared'
  12 import { AuthService, ConfirmService } from '../../core'
  13 import { RestExtractor, VideoBlacklistService } from '../../shared'
  14 import { VideoDetails } from '../../shared/video/video-details.model'
  15 import { VideoService } from '../../shared/video/video.service'
  16 import { VideoShareComponent } from './modal/video-share.component'
  17 import { SubscribeButtonComponent } from '@app/shared/user-subscription/subscribe-button.component'
  18 import { I18n } from '@ngx-translate/i18n-polyfill'
  19 import { environment } from '../../../environments/environment'
  20 import { VideoCaptionService } from '@app/shared/video-caption'
  21 import { MarkdownService } from '@app/shared/renderer'
  22 import {
  23   CustomizationOptions,
  24   P2PMediaLoaderOptions,
  25   PeertubePlayerManager,
  26   PeertubePlayerManagerOptions,
  27   PlayerMode
  28 } from '../../../assets/player/peertube-player-manager'
  29 import { VideoPlaylist } from '@app/shared/video-playlist/video-playlist.model'
  30 import { VideoPlaylistService } from '@app/shared/video-playlist/video-playlist.service'
  31 import { Video } from '@app/shared/video/video.model'
  32 import { isWebRTCDisabled, timeToInt } from '../../../assets/player/utils'
  33 import { VideoWatchPlaylistComponent } from '@app/videos/+video-watch/video-watch-playlist.component'
  34 import { getStoredTheater } from '../../../assets/player/peertube-player-local-storage'
  35 import { PluginService } from '@app/core/plugins/plugin.service'
  36
  37 @Component({
  38   selector: 'my-video-watch',
  39   templateUrl: './video-watch.component.html',
  40   styleUrls: [ './video-watch.component.scss' ]
  41 })
  42 export class VideoWatchComponent implements OnInit, OnDestroy {
  43   private static LOCAL_STORAGE_PRIVACY_CONCERN_KEY = 'video-watch-privacy-concern'
  44
  45   @ViewChild('videoWatchPlaylist') videoWatchPlaylist: VideoWatchPlaylistComponent
  46   @ViewChild('videoShareModal') videoShareModal: VideoShareComponent
  47   @ViewChild('videoSupportModal') videoSupportModal: VideoSupportComponent
  48   @ViewChild('subscribeButton') subscribeButton: SubscribeButtonComponent
  49
  50   player: any
  51   playerElement: HTMLVideoElement
  52   theaterEnabled = false
  53   userRating: UserVideoRateType = null
  54   descriptionLoading = false
  55
  56   video: VideoDetails = null
  57   videoCaptions: VideoCaption[] = []
  58
  59   playlist: VideoPlaylist = null
  60
  61   completeDescriptionShown = false
  62   completeVideoDescription: string
  63   shortVideoDescription: string
  64   videoHTMLDescription = ''
  65   likesBarTooltipText = ''
  66   hasAlreadyAcceptedPrivacyConcern = false
  67   remoteServerDown = false
  68   hotkeys: Hotkey[]
  69
  70   private currentTime: number
  71   private paramsSub: Subscription
  72   private queryParamsSub: Subscription
  73   private configSub: Subscription
  74
  75   constructor (
  76     private elementRef: ElementRef,
  77     private changeDetector: ChangeDetectorRef,
  78     private route: ActivatedRoute,
  79     private router: Router,
  80     private videoService: VideoService,
  81     private playlistService: VideoPlaylistService,
  82     private videoBlacklistService: VideoBlacklistService,
  83     private confirmService: ConfirmService,
  84     private metaService: MetaService,
  85     private authService: AuthService,
  86     private serverService: ServerService,
  87     private restExtractor: RestExtractor,
  88     private notifier: Notifier,
  89     private pluginService: PluginService,
  90     private markdownService: MarkdownService,
  91     private zone: NgZone,
  92     private redirectService: RedirectService,
  93     private videoCaptionService: VideoCaptionService,
  94     private i18n: I18n,
  95     private hotkeysService: HotkeysService,
  96     @Inject(LOCALE_ID) private localeId: string
  97   ) {}
  98
  99   get user () {
 100     return this.authService.getUser()
 101   }
 102
 103   async ngOnInit () {
 104     await this.pluginService.loadPluginsByScope('video-watch')
 105
 106     this.configSub = this.serverService.configLoaded
 107         .subscribe(() => {
 108           if (
 109             isWebRTCDisabled() ||
 110             this.serverService.getConfig().tracker.enabled === false ||
 111             peertubeLocalStorage.getItem(VideoWatchComponent.LOCAL_STORAGE_PRIVACY_CONCERN_KEY) === 'true'
 112           ) {
 113             this.hasAlreadyAcceptedPrivacyConcern = true
 114           }
 115         })
 116
 117     this.paramsSub = this.route.params.subscribe(routeParams => {
 118       const videoId = routeParams[ 'videoId' ]
 119       if (videoId) this.loadVideo(videoId)
 120
 121       const playlistId = routeParams[ 'playlistId' ]
 122       if (playlistId) this.loadPlaylist(playlistId)
 123     })
 124
 125     this.queryParamsSub = this.route.queryParams.subscribe(queryParams => {
 126       const videoId = queryParams[ 'videoId' ]
 127       if (videoId) this.loadVideo(videoId)
 128     })
 129
 130     this.initHotkeys()
 131
 132     this.theaterEnabled = getStoredTheater()
 133
 134     this.pluginService.runHook('action:video-watch.loaded')
 135   }
 136
 137   ngOnDestroy () {
 138     this.flushPlayer()
 139
 140     // Unsubscribe subscriptions
 141     if (this.paramsSub) this.paramsSub.unsubscribe()
 142     if (this.queryParamsSub) this.queryParamsSub.unsubscribe()
 143
 144     // Unbind hotkeys
 145     if (this.isUserLoggedIn()) this.hotkeysService.remove(this.hotkeys)
 146   }
 147
 148   setLike () {
 149     if (this.isUserLoggedIn() === false) return
 150
 151     // Already liked this video
 152     if (this.userRating === 'like') this.setRating('none')
 153     else this.setRating('like')
 154   }
 155
 156   setDislike () {
 157     if (this.isUserLoggedIn() === false) return
 158
 159     // Already disliked this video
 160     if (this.userRating === 'dislike') this.setRating('none')
 161     else this.setRating('dislike')
 162   }
 163
 164   showMoreDescription () {
 165     if (this.completeVideoDescription === undefined) {
 166       return this.loadCompleteDescription()
 167     }
 168
 169     this.updateVideoDescription(this.completeVideoDescription)
 170     this.completeDescriptionShown = true
 171   }
 172
 173   showLessDescription () {
 174     this.updateVideoDescription(this.shortVideoDescription)
 175     this.completeDescriptionShown = false
 176   }
 177
 178   loadCompleteDescription () {
 179     this.descriptionLoading = true
 180
 181     this.videoService.loadCompleteDescription(this.video.descriptionPath)
 182         .subscribe(
 183           description => {
 184             this.completeDescriptionShown = true
 185             this.descriptionLoading = false
 186
 187             this.shortVideoDescription = this.video.description
 188             this.completeVideoDescription = description
 189
 190             this.updateVideoDescription(this.completeVideoDescription)
 191           },
 192
 193           error => {
 194             this.descriptionLoading = false
 195             this.notifier.error(error.message)
 196           }
 197         )
 198   }
 199
 200   showSupportModal () {
 201     this.videoSupportModal.show()
 202   }
 203
 204   showShareModal () {
 205     this.videoShareModal.show(this.currentTime)
 206   }
 207
 208   isUserLoggedIn () {
 209     return this.authService.isLoggedIn()
 210   }
 211
 212   getVideoTags () {
 213     if (!this.video || Array.isArray(this.video.tags) === false) return []
 214
 215     return this.video.tags
 216   }
 217
 218   onVideoRemoved () {
 219     this.redirectService.redirectToHomepage()
 220   }
 221
 222   acceptedPrivacyConcern () {
 223     peertubeLocalStorage.setItem(VideoWatchComponent.LOCAL_STORAGE_PRIVACY_CONCERN_KEY, 'true')
 224     this.hasAlreadyAcceptedPrivacyConcern = true
 225   }
 226
 227   isVideoToTranscode () {
 228     return this.video && this.video.state.id === VideoState.TO_TRANSCODE
 229   }
 230
 231   isVideoToImport () {
 232     return this.video && this.video.state.id === VideoState.TO_IMPORT
 233   }
 234
 235   hasVideoScheduledPublication () {
 236     return this.video && this.video.scheduledUpdate !== undefined
 237   }
 238
 239   isVideoBlur (video: Video) {
 240     return video.isVideoNSFWForUser(this.user, this.serverService.getConfig())
 241   }
 242
 243   private loadVideo (videoId: string) {
 244     // Video did not change
 245     if (this.video && this.video.uuid === videoId) return
 246
 247     if (this.player) this.player.pause()
 248
 249     // Video did change
 250     forkJoin(
 251       this.videoService.getVideo(videoId),
 252       this.videoCaptionService.listCaptions(videoId)
 253     )
 254       .pipe(
 255         // If 401, the video is private or blacklisted so redirect to 404
 256         catchError(err => this.restExtractor.redirectTo404IfNotFound(err, [ 400, 401, 403, 404 ]))
 257       )
 258       .subscribe(([ video, captionsResult ]) => {
 259         const queryParams = this.route.snapshot.queryParams
 260
 261         const urlOptions = {
 262           startTime: queryParams.start,
 263           stopTime: queryParams.stop,
 264
 265           muted: queryParams.muted,
 266           loop: queryParams.loop,
 267           subtitle: queryParams.subtitle,
 268
 269           playerMode: queryParams.mode,
 270           peertubeLink: false
 271         }
 272
 273         this.onVideoFetched(video, captionsResult.data, urlOptions)
 274             .catch(err => this.handleError(err))
 275       })
 276   }
 277
 278   private loadPlaylist (playlistId: string) {
 279     // Playlist did not change
 280     if (this.playlist && this.playlist.uuid === playlistId) return
 281
 282     this.playlistService.getVideoPlaylist(playlistId)
 283       .pipe(
 284         // If 401, the video is private or blacklisted so redirect to 404
 285         catchError(err => this.restExtractor.redirectTo404IfNotFound(err, [ 400, 401, 403, 404 ]))
 286       )
 287       .subscribe(playlist => {
 288         this.playlist = playlist
 289
 290         const videoId = this.route.snapshot.queryParams['videoId']
 291         this.videoWatchPlaylist.loadPlaylistElements(playlist, !videoId)
 292       })
 293   }
 294
 295   private updateVideoDescription (description: string) {
 296     this.video.description = description
 297     this.setVideoDescriptionHTML()
 298       .catch(err => console.error(err))
 299   }
 300
 301   private async setVideoDescriptionHTML () {
 302     this.videoHTMLDescription = await this.markdownService.textMarkdownToHTML(this.video.description)
 303   }
 304
 305   private setVideoLikesBarTooltipText () {
 306     this.likesBarTooltipText = this.i18n('{{likesNumber}} likes / {{dislikesNumber}} dislikes', {
 307       likesNumber: this.video.likes,
 308       dislikesNumber: this.video.dislikes
 309     })
 310   }
 311
 312   private handleError (err: any) {
 313     const errorMessage: string = typeof err === 'string' ? err : err.message
 314     if (!errorMessage) return
 315
 316     // Display a message in the video player instead of a notification
 317     if (errorMessage.indexOf('from xs param') !== -1) {
 318       this.flushPlayer()
 319       this.remoteServerDown = true
 320       this.changeDetector.detectChanges()
 321
 322       return
 323     }
 324
 325     this.notifier.error(errorMessage)
 326   }
 327
 328   private checkUserRating () {
 329     // Unlogged users do not have ratings
 330     if (this.isUserLoggedIn() === false) return
 331
 332     this.videoService.getUserVideoRating(this.video.id)
 333         .subscribe(
 334           ratingObject => {
 335             if (ratingObject) {
 336               this.userRating = ratingObject.rating
 337             }
 338           },
 339
 340           err => this.notifier.error(err.message)
 341         )
 342   }
 343
 344   private async onVideoFetched (
 345     video: VideoDetails,
 346     videoCaptions: VideoCaption[],
 347     urlOptions: CustomizationOptions & { playerMode: PlayerMode }
 348   ) {
 349     this.video = video
 350     this.videoCaptions = videoCaptions
 351
 352     // Re init attributes
 353     this.descriptionLoading = false
 354     this.completeDescriptionShown = false
 355     this.remoteServerDown = false
 356     this.currentTime = undefined
 357
 358     this.videoWatchPlaylist.updatePlaylistIndex(video)
 359
 360     let startTime = timeToInt(urlOptions.startTime) || (this.video.userHistory ? this.video.userHistory.currentTime : 0)
 361     // If we are at the end of the video, reset the timer
 362     if (this.video.duration - startTime <= 1) startTime = 0
 363
 364     if (this.isVideoBlur(this.video)) {
 365       const res = await this.confirmService.confirm(
 366         this.i18n('This video contains mature or explicit content. Are you sure you want to watch it?'),
 367         this.i18n('Mature or explicit content')
 368       )
 369       if (res === false) return this.redirectService.redirectToHomepage()
 370     }
 371
 372     // Flush old player if needed
 373     this.flushPlayer()
 374
 375     // Build video element, because videojs remove it on dispose
 376     const playerElementWrapper = this.elementRef.nativeElement.querySelector('#videojs-wrapper')
 377     this.playerElement = document.createElement('video')
 378     this.playerElement.className = 'video-js vjs-peertube-skin'
 379     this.playerElement.setAttribute('playsinline', 'true')
 380     playerElementWrapper.appendChild(this.playerElement)
 381
 382     const playerCaptions = videoCaptions.map(c => ({
 383       label: c.language.label,
 384       language: c.language.id,
 385       src: environment.apiUrl + c.captionPath
 386     }))
 387
 388     const options: PeertubePlayerManagerOptions = {
 389       common: {
 390         autoplay: this.isAutoplay(),
 391
 392         playerElement: this.playerElement,
 393         onPlayerElementChange: (element: HTMLVideoElement) => this.playerElement = element,
 394
 395         videoDuration: this.video.duration,
 396         enableHotkeys: true,
 397         inactivityTimeout: 2500,
 398         poster: this.video.previewUrl,
 399
 400         startTime,
 401         stopTime: urlOptions.stopTime,
 402         controls: urlOptions.controls,
 403         muted: urlOptions.muted,
 404         loop: urlOptions.loop,
 405         subtitle: urlOptions.subtitle,
 406
 407         peertubeLink: urlOptions.peertubeLink,
 408
 409         theaterMode: true,
 410         captions: videoCaptions.length !== 0,
 411
 412         videoViewUrl: this.video.privacy.id !== VideoPrivacy.PRIVATE
 413           ? this.videoService.getVideoViewUrl(this.video.uuid)
 414           : null,
 415         embedUrl: this.video.embedUrl,
 416
 417         language: this.localeId,
 418
 419         userWatching: this.user && this.user.videosHistoryEnabled === true ? {
 420           url: this.videoService.getUserWatchingVideoUrl(this.video.uuid),
 421           authorizationHeader: this.authService.getRequestHeaderValue()
 422         } : undefined,
 423
 424         serverUrl: environment.apiUrl,
 425
 426         videoCaptions: playerCaptions
 427       },
 428
 429       webtorrent: {
 430         videoFiles: this.video.files
 431       }
 432     }
 433
 434     let mode: PlayerMode
 435
 436     if (urlOptions.playerMode) {
 437       if (urlOptions.playerMode === 'p2p-media-loader') mode = 'p2p-media-loader'
 438       else mode = 'webtorrent'
 439     } else {
 440       if (this.video.hasHlsPlaylist()) mode = 'p2p-media-loader'
 441       else mode = 'webtorrent'
 442     }
 443
 444     if (mode === 'p2p-media-loader') {
 445       const hlsPlaylist = this.video.getHlsPlaylist()
 446
 447       const p2pMediaLoader = {
 448         playlistUrl: hlsPlaylist.playlistUrl,
 449         segmentsSha256Url: hlsPlaylist.segmentsSha256Url,
 450         redundancyBaseUrls: hlsPlaylist.redundancies.map(r => r.baseUrl),
 451         trackerAnnounce: this.video.trackerUrls,
 452         videoFiles: this.video.files
 453       } as P2PMediaLoaderOptions
 454
 455       Object.assign(options, { p2pMediaLoader })
 456     }
 457
 458     this.zone.runOutsideAngular(async () => {
 459       this.player = await PeertubePlayerManager.initialize(mode, options)
 460
 461       this.player.on('customError', ({ err }: { err: any }) => this.handleError(err))
 462
 463       this.player.on('timeupdate', () => {
 464         this.currentTime = Math.floor(this.player.currentTime())
 465       })
 466
 467       this.player.one('ended', () => {
 468         if (this.playlist) {
 469           this.zone.run(() => this.videoWatchPlaylist.navigateToNextPlaylistVideo())
 470         }
 471       })
 472
 473       this.player.one('stopped', () => {
 474         if (this.playlist) {
 475           this.zone.run(() => this.videoWatchPlaylist.navigateToNextPlaylistVideo())
 476         }
 477       })
 478
 479       this.player.on('theaterChange', (_: any, enabled: boolean) => {
 480         this.zone.run(() => this.theaterEnabled = enabled)
 481       })
 482     })
 483
 484     this.setVideoDescriptionHTML()
 485     this.setVideoLikesBarTooltipText()
 486
 487     this.setOpenGraphTags()
 488     this.checkUserRating()
 489   }
 490
 491   private setRating (nextRating: UserVideoRateType) {
 492     const ratingMethods: { [id in UserVideoRateType]: (id: number) => Observable<any> } = {
 493       like: this.videoService.setVideoLike,
 494       dislike: this.videoService.setVideoDislike,
 495       none: this.videoService.unsetVideoLike
 496     }
 497
 498     ratingMethods[nextRating].call(this.videoService, this.video.id)
 499           .subscribe(
 500             () => {
 501               // Update the video like attribute
 502               this.updateVideoRating(this.userRating, nextRating)
 503               this.userRating = nextRating
 504             },
 505
 506             (err: { message: string }) => this.notifier.error(err.message)
 507           )
 508   }
 509
 510   private updateVideoRating (oldRating: UserVideoRateType, newRating: UserVideoRateType) {
 511     let likesToIncrement = 0
 512     let dislikesToIncrement = 0
 513
 514     if (oldRating) {
 515       if (oldRating === 'like') likesToIncrement--
 516       if (oldRating === 'dislike') dislikesToIncrement--
 517     }
 518
 519     if (newRating === 'like') likesToIncrement++
 520     if (newRating === 'dislike') dislikesToIncrement++
 521
 522     this.video.likes += likesToIncrement
 523     this.video.dislikes += dislikesToIncrement
 524
 525     this.video.buildLikeAndDislikePercents()
 526     this.setVideoLikesBarTooltipText()
 527   }
 528
 529   private setOpenGraphTags () {
 530     this.metaService.setTitle(this.video.name)
 531
 532     this.metaService.setTag('og:type', 'video')
 533
 534     this.metaService.setTag('og:title', this.video.name)
 535     this.metaService.setTag('name', this.video.name)
 536
 537     this.metaService.setTag('og:description', this.video.description)
 538     this.metaService.setTag('description', this.video.description)
 539
 540     this.metaService.setTag('og:image', this.video.previewPath)
 541
 542     this.metaService.setTag('og:duration', this.video.duration.toString())
 543
 544     this.metaService.setTag('og:site_name', 'PeerTube')
 545
 546     this.metaService.setTag('og:url', window.location.href)
 547     this.metaService.setTag('url', window.location.href)
 548   }
 549
 550   private isAutoplay () {
 551     // We'll jump to the thread id, so do not play the video
 552     if (this.route.snapshot.params['threadId']) return false
 553
 554     // Otherwise true by default
 555     if (!this.user) return true
 556
 557     // Be sure the autoPlay is set to false
 558     return this.user.autoPlayVideo !== false
 559   }
 560
 561   private flushPlayer () {
 562     // Remove player if it exists
 563     if (this.player) {
 564       try {
 565         this.player.dispose()
 566         this.player = undefined
 567       } catch (err) {
 568         console.error('Cannot dispose player.', err)
 569       }
 570     }
 571   }
 572
 573   private initHotkeys () {
 574     this.hotkeys = [
 575       new Hotkey('shift+l', () => {
 576         this.setLike()
 577         return false
 578       }, undefined, this.i18n('Like the video')),
 579
 580       new Hotkey('shift+d', () => {
 581         this.setDislike()
 582         return false
 583       }, undefined, this.i18n('Dislike the video')),
 584
 585       new Hotkey('shift+s', () => {
 586         this.subscribeButton.subscribed ? this.subscribeButton.unsubscribe() : this.subscribeButton.subscribe()
 587         return false
 588       }, undefined, this.i18n('Subscribe to the account'))
 589     ]
 590     if (this.isUserLoggedIn()) this.hotkeysService.add(this.hotkeys)
 591   }
 592 }