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 import { HooksService } from '@app/core/plugins/hooks.service'
  37
  38 @Component({
  39   selector: 'my-video-watch',
  40   templateUrl: './video-watch.component.html',
  41   styleUrls: [ './video-watch.component.scss' ]
  42 })
  43 export class VideoWatchComponent implements OnInit, OnDestroy {
  44   private static LOCAL_STORAGE_PRIVACY_CONCERN_KEY = 'video-watch-privacy-concern'
  45
  46   @ViewChild('videoWatchPlaylist', { static: true }) videoWatchPlaylist: VideoWatchPlaylistComponent
  47   @ViewChild('videoShareModal', { static: false }) videoShareModal: VideoShareComponent
  48   @ViewChild('videoSupportModal', { static: false }) videoSupportModal: VideoSupportComponent
  49   @ViewChild('subscribeButton', { static: false }) subscribeButton: SubscribeButtonComponent
  50
  51   player: any
  52   playerElement: HTMLVideoElement
  53   theaterEnabled = false
  54   userRating: UserVideoRateType = null
  55   descriptionLoading = false
  56
  57   video: VideoDetails = null
  58   videoCaptions: VideoCaption[] = []
  59
  60   playlist: VideoPlaylist = null
  61
  62   completeDescriptionShown = false
  63   completeVideoDescription: string
  64   shortVideoDescription: string
  65   videoHTMLDescription = ''
  66   likesBarTooltipText = ''
  67   hasAlreadyAcceptedPrivacyConcern = false
  68   remoteServerDown = false
  69   hotkeys: Hotkey[]
  70
  71   private currentTime: number
  72   private paramsSub: Subscription
  73   private queryParamsSub: Subscription
  74   private configSub: Subscription
  75
  76   constructor (
  77     private elementRef: ElementRef,
  78     private changeDetector: ChangeDetectorRef,
  79     private route: ActivatedRoute,
  80     private router: Router,
  81     private videoService: VideoService,
  82     private playlistService: VideoPlaylistService,
  83     private videoBlacklistService: VideoBlacklistService,
  84     private confirmService: ConfirmService,
  85     private metaService: MetaService,
  86     private authService: AuthService,
  87     private serverService: ServerService,
  88     private restExtractor: RestExtractor,
  89     private notifier: Notifier,
  90     private pluginService: PluginService,
  91     private markdownService: MarkdownService,
  92     private zone: NgZone,
  93     private redirectService: RedirectService,
  94     private videoCaptionService: VideoCaptionService,
  95     private i18n: I18n,
  96     private hotkeysService: HotkeysService,
  97     private hooks: HooksService,
  98     @Inject(LOCALE_ID) private localeId: string
  99   ) {}
 100
 101   get user () {
 102     return this.authService.getUser()
 103   }
 104
 105   async ngOnInit () {
 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.hooks.runAction('action:video-watch.init', 'video-watch')
 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     const videoObs = this.hooks.wrapObsFun(
 250       this.videoService.getVideo.bind(this.videoService),
 251       { videoId },
 252       'video-watch',
 253       'filter:api.video-watch.video.get.params',
 254       'filter:api.video-watch.video.get.result'
 255     )
 256
 257     // Video did change
 258     forkJoin(
 259       videoObs,
 260       this.videoCaptionService.listCaptions(videoId)
 261     )
 262       .pipe(
 263         // If 401, the video is private or blacklisted so redirect to 404
 264         catchError(err => this.restExtractor.redirectTo404IfNotFound(err, [ 400, 401, 403, 404 ]))
 265       )
 266       .subscribe(([ video, captionsResult ]) => {
 267         const queryParams = this.route.snapshot.queryParams
 268
 269         const urlOptions = {
 270           startTime: queryParams.start,
 271           stopTime: queryParams.stop,
 272
 273           muted: queryParams.muted,
 274           loop: queryParams.loop,
 275           subtitle: queryParams.subtitle,
 276
 277           playerMode: queryParams.mode,
 278           peertubeLink: false
 279         }
 280
 281         this.onVideoFetched(video, captionsResult.data, urlOptions)
 282             .catch(err => this.handleError(err))
 283       })
 284   }
 285
 286   private loadPlaylist (playlistId: string) {
 287     // Playlist did not change
 288     if (this.playlist && this.playlist.uuid === playlistId) return
 289
 290     this.playlistService.getVideoPlaylist(playlistId)
 291       .pipe(
 292         // If 401, the video is private or blacklisted so redirect to 404
 293         catchError(err => this.restExtractor.redirectTo404IfNotFound(err, [ 400, 401, 403, 404 ]))
 294       )
 295       .subscribe(playlist => {
 296         this.playlist = playlist
 297
 298         const videoId = this.route.snapshot.queryParams['videoId']
 299         this.videoWatchPlaylist.loadPlaylistElements(playlist, !videoId)
 300       })
 301   }
 302
 303   private updateVideoDescription (description: string) {
 304     this.video.description = description
 305     this.setVideoDescriptionHTML()
 306       .catch(err => console.error(err))
 307   }
 308
 309   private async setVideoDescriptionHTML () {
 310     this.videoHTMLDescription = await this.markdownService.textMarkdownToHTML(this.video.description)
 311   }
 312
 313   private setVideoLikesBarTooltipText () {
 314     this.likesBarTooltipText = this.i18n('{{likesNumber}} likes / {{dislikesNumber}} dislikes', {
 315       likesNumber: this.video.likes,
 316       dislikesNumber: this.video.dislikes
 317     })
 318   }
 319
 320   private handleError (err: any) {
 321     const errorMessage: string = typeof err === 'string' ? err : err.message
 322     if (!errorMessage) return
 323
 324     // Display a message in the video player instead of a notification
 325     if (errorMessage.indexOf('from xs param') !== -1) {
 326       this.flushPlayer()
 327       this.remoteServerDown = true
 328       this.changeDetector.detectChanges()
 329
 330       return
 331     }
 332
 333     this.notifier.error(errorMessage)
 334   }
 335
 336   private checkUserRating () {
 337     // Unlogged users do not have ratings
 338     if (this.isUserLoggedIn() === false) return
 339
 340     this.videoService.getUserVideoRating(this.video.id)
 341         .subscribe(
 342           ratingObject => {
 343             if (ratingObject) {
 344               this.userRating = ratingObject.rating
 345             }
 346           },
 347
 348           err => this.notifier.error(err.message)
 349         )
 350   }
 351
 352   private async onVideoFetched (
 353     video: VideoDetails,
 354     videoCaptions: VideoCaption[],
 355     urlOptions: CustomizationOptions & { playerMode: PlayerMode }
 356   ) {
 357     this.video = video
 358     this.videoCaptions = videoCaptions
 359
 360     // Re init attributes
 361     this.descriptionLoading = false
 362     this.completeDescriptionShown = false
 363     this.remoteServerDown = false
 364     this.currentTime = undefined
 365
 366     this.videoWatchPlaylist.updatePlaylistIndex(video)
 367
 368     let startTime = timeToInt(urlOptions.startTime) || (this.video.userHistory ? this.video.userHistory.currentTime : 0)
 369     // If we are at the end of the video, reset the timer
 370     if (this.video.duration - startTime <= 1) startTime = 0
 371
 372     if (this.isVideoBlur(this.video)) {
 373       const res = await this.confirmService.confirm(
 374         this.i18n('This video contains mature or explicit content. Are you sure you want to watch it?'),
 375         this.i18n('Mature or explicit content')
 376       )
 377       if (res === false) return this.redirectService.redirectToHomepage()
 378     }
 379
 380     // Flush old player if needed
 381     this.flushPlayer()
 382
 383     // Build video element, because videojs remove it on dispose
 384     const playerElementWrapper = this.elementRef.nativeElement.querySelector('#videojs-wrapper')
 385     this.playerElement = document.createElement('video')
 386     this.playerElement.className = 'video-js vjs-peertube-skin'
 387     this.playerElement.setAttribute('playsinline', 'true')
 388     playerElementWrapper.appendChild(this.playerElement)
 389
 390     const playerCaptions = videoCaptions.map(c => ({
 391       label: c.language.label,
 392       language: c.language.id,
 393       src: environment.apiUrl + c.captionPath
 394     }))
 395
 396     const options: PeertubePlayerManagerOptions = {
 397       common: {
 398         autoplay: this.isAutoplay(),
 399
 400         playerElement: this.playerElement,
 401         onPlayerElementChange: (element: HTMLVideoElement) => this.playerElement = element,
 402
 403         videoDuration: this.video.duration,
 404         enableHotkeys: true,
 405         inactivityTimeout: 2500,
 406         poster: this.video.previewUrl,
 407
 408         startTime,
 409         stopTime: urlOptions.stopTime,
 410         controls: urlOptions.controls,
 411         muted: urlOptions.muted,
 412         loop: urlOptions.loop,
 413         subtitle: urlOptions.subtitle,
 414
 415         peertubeLink: urlOptions.peertubeLink,
 416
 417         theaterMode: true,
 418         captions: videoCaptions.length !== 0,
 419
 420         videoViewUrl: this.video.privacy.id !== VideoPrivacy.PRIVATE
 421           ? this.videoService.getVideoViewUrl(this.video.uuid)
 422           : null,
 423         embedUrl: this.video.embedUrl,
 424
 425         language: this.localeId,
 426
 427         userWatching: this.user && this.user.videosHistoryEnabled === true ? {
 428           url: this.videoService.getUserWatchingVideoUrl(this.video.uuid),
 429           authorizationHeader: this.authService.getRequestHeaderValue()
 430         } : undefined,
 431
 432         serverUrl: environment.apiUrl,
 433
 434         videoCaptions: playerCaptions
 435       },
 436
 437       webtorrent: {
 438         videoFiles: this.video.files
 439       }
 440     }
 441
 442     let mode: PlayerMode
 443
 444     if (urlOptions.playerMode) {
 445       if (urlOptions.playerMode === 'p2p-media-loader') mode = 'p2p-media-loader'
 446       else mode = 'webtorrent'
 447     } else {
 448       if (this.video.hasHlsPlaylist()) mode = 'p2p-media-loader'
 449       else mode = 'webtorrent'
 450     }
 451
 452     if (mode === 'p2p-media-loader') {
 453       const hlsPlaylist = this.video.getHlsPlaylist()
 454
 455       const p2pMediaLoader = {
 456         playlistUrl: hlsPlaylist.playlistUrl,
 457         segmentsSha256Url: hlsPlaylist.segmentsSha256Url,
 458         redundancyBaseUrls: hlsPlaylist.redundancies.map(r => r.baseUrl),
 459         trackerAnnounce: this.video.trackerUrls,
 460         videoFiles: this.video.files
 461       } as P2PMediaLoaderOptions
 462
 463       Object.assign(options, { p2pMediaLoader })
 464     }
 465
 466     this.zone.runOutsideAngular(async () => {
 467       this.player = await PeertubePlayerManager.initialize(mode, options)
 468
 469       this.player.on('customError', ({ err }: { err: any }) => this.handleError(err))
 470
 471       this.player.on('timeupdate', () => {
 472         this.currentTime = Math.floor(this.player.currentTime())
 473       })
 474
 475       this.player.one('ended', () => {
 476         if (this.playlist) {
 477           this.zone.run(() => this.videoWatchPlaylist.navigateToNextPlaylistVideo())
 478         }
 479       })
 480
 481       this.player.one('stopped', () => {
 482         if (this.playlist) {
 483           this.zone.run(() => this.videoWatchPlaylist.navigateToNextPlaylistVideo())
 484         }
 485       })
 486
 487       this.player.on('theaterChange', (_: any, enabled: boolean) => {
 488         this.zone.run(() => this.theaterEnabled = enabled)
 489       })
 490     })
 491
 492     this.setVideoDescriptionHTML()
 493     this.setVideoLikesBarTooltipText()
 494
 495     this.setOpenGraphTags()
 496     this.checkUserRating()
 497
 498     this.hooks.runAction('action:video-watch.video.loaded', 'video-watch')
 499   }
 500
 501   private setRating (nextRating: UserVideoRateType) {
 502     const ratingMethods: { [id in UserVideoRateType]: (id: number) => Observable<any> } = {
 503       like: this.videoService.setVideoLike,
 504       dislike: this.videoService.setVideoDislike,
 505       none: this.videoService.unsetVideoLike
 506     }
 507
 508     ratingMethods[nextRating].call(this.videoService, this.video.id)
 509           .subscribe(
 510             () => {
 511               // Update the video like attribute
 512               this.updateVideoRating(this.userRating, nextRating)
 513               this.userRating = nextRating
 514             },
 515
 516             (err: { message: string }) => this.notifier.error(err.message)
 517           )
 518   }
 519
 520   private updateVideoRating (oldRating: UserVideoRateType, newRating: UserVideoRateType) {
 521     let likesToIncrement = 0
 522     let dislikesToIncrement = 0
 523
 524     if (oldRating) {
 525       if (oldRating === 'like') likesToIncrement--
 526       if (oldRating === 'dislike') dislikesToIncrement--
 527     }
 528
 529     if (newRating === 'like') likesToIncrement++
 530     if (newRating === 'dislike') dislikesToIncrement++
 531
 532     this.video.likes += likesToIncrement
 533     this.video.dislikes += dislikesToIncrement
 534
 535     this.video.buildLikeAndDislikePercents()
 536     this.setVideoLikesBarTooltipText()
 537   }
 538
 539   private setOpenGraphTags () {
 540     this.metaService.setTitle(this.video.name)
 541
 542     this.metaService.setTag('og:type', 'video')
 543
 544     this.metaService.setTag('og:title', this.video.name)
 545     this.metaService.setTag('name', this.video.name)
 546
 547     this.metaService.setTag('og:description', this.video.description)
 548     this.metaService.setTag('description', this.video.description)
 549
 550     this.metaService.setTag('og:image', this.video.previewPath)
 551
 552     this.metaService.setTag('og:duration', this.video.duration.toString())
 553
 554     this.metaService.setTag('og:site_name', 'PeerTube')
 555
 556     this.metaService.setTag('og:url', window.location.href)
 557     this.metaService.setTag('url', window.location.href)
 558   }
 559
 560   private isAutoplay () {
 561     // We'll jump to the thread id, so do not play the video
 562     if (this.route.snapshot.params['threadId']) return false
 563
 564     // Otherwise true by default
 565     if (!this.user) return true
 566
 567     // Be sure the autoPlay is set to false
 568     return this.user.autoPlayVideo !== false
 569   }
 570
 571   private flushPlayer () {
 572     // Remove player if it exists
 573     if (this.player) {
 574       try {
 575         this.player.dispose()
 576         this.player = undefined
 577       } catch (err) {
 578         console.error('Cannot dispose player.', err)
 579       }
 580     }
 581   }
 582
 583   private initHotkeys () {
 584     this.hotkeys = [
 585       new Hotkey('shift+l', () => {
 586         this.setLike()
 587         return false
 588       }, undefined, this.i18n('Like the video')),
 589
 590       new Hotkey('shift+d', () => {
 591         this.setDislike()
 592         return false
 593       }, undefined, this.i18n('Dislike the video')),
 594
 595       new Hotkey('shift+s', () => {
 596         this.subscribeButton.subscribed ? this.subscribeButton.unsubscribe() : this.subscribeButton.subscribe()
 597         return false
 598       }, undefined, this.i18n('Subscribe to the account'))
 599     ]
 600     if (this.isUserLoggedIn()) this.hotkeysService.add(this.hotkeys)
 601   }
 602 }