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           // If 401, the video is private or blacklisted so redirect to 404
 125           catchError(err => this.restExtractor.redirectTo404IfNotFound(err, [ 400, 401, 404 ]))
 126         )
 127         .subscribe(([ video, captionsResult ]) => {
 128           const startTime = this.route.snapshot.queryParams.start
 129           this.onVideoFetched(video, captionsResult.data, startTime)
 130               .catch(err => this.handleError(err))
 131         })
 132     })
 133   }
 134
 135   ngOnDestroy () {
 136     this.flushPlayer()
 137
 138     // Unsubscribe subscriptions
 139     this.paramsSub.unsubscribe()
 140   }
 141
 142   setLike () {
 143     if (this.isUserLoggedIn() === false) return
 144     if (this.userRating === 'like') {
 145       // Already liked this video
 146       this.setRating('none')
 147     } else {
 148       this.setRating('like')
 149     }
 150   }
 151
 152   setDislike () {
 153     if (this.isUserLoggedIn() === false) return
 154     if (this.userRating === 'dislike') {
 155       // Already disliked this video
 156       this.setRating('none')
 157     } else {
 158       this.setRating('dislike')
 159     }
 160   }
 161
 162   showMoreDescription () {
 163     if (this.completeVideoDescription === undefined) {
 164       return this.loadCompleteDescription()
 165     }
 166
 167     this.updateVideoDescription(this.completeVideoDescription)
 168     this.completeDescriptionShown = true
 169   }
 170
 171   showLessDescription () {
 172     this.updateVideoDescription(this.shortVideoDescription)
 173     this.completeDescriptionShown = false
 174   }
 175
 176   loadCompleteDescription () {
 177     this.descriptionLoading = true
 178
 179     this.videoService.loadCompleteDescription(this.video.descriptionPath)
 180         .subscribe(
 181           description => {
 182             this.completeDescriptionShown = true
 183             this.descriptionLoading = false
 184
 185             this.shortVideoDescription = this.video.description
 186             this.completeVideoDescription = description
 187
 188             this.updateVideoDescription(this.completeVideoDescription)
 189           },
 190
 191           error => {
 192             this.descriptionLoading = false
 193             this.notificationsService.error(this.i18n('Error'), error.message)
 194           }
 195         )
 196   }
 197
 198   showReportModal (event: Event) {
 199     event.preventDefault()
 200     this.videoReportModal.show()
 201   }
 202
 203   showSupportModal () {
 204     this.videoSupportModal.show()
 205   }
 206
 207   showShareModal () {
 208     this.videoShareModal.show()
 209   }
 210
 211   showDownloadModal (event: Event) {
 212     event.preventDefault()
 213     this.videoDownloadModal.show()
 214   }
 215
 216   showBlacklistModal (event: Event) {
 217     event.preventDefault()
 218     this.videoBlacklistModal.show()
 219   }
 220
 221   async unblacklistVideo (event: Event) {
 222     event.preventDefault()
 223
 224     const confirmMessage = this.i18n(
 225       'Do you really want to remove this video from the blacklist? It will be available again in the videos list.'
 226     )
 227
 228     const res = await this.confirmService.confirm(confirmMessage, this.i18n('Unblacklist'))
 229     if (res === false) return
 230
 231     this.videoBlacklistService.removeVideoFromBlacklist(this.video.id).subscribe(
 232       () => {
 233         this.notificationsService.success(
 234           this.i18n('Success'),
 235           this.i18n('Video {{name}} removed from the blacklist.', { name: this.video.name })
 236         )
 237
 238         this.video.blacklisted = false
 239         this.video.blacklistedReason = null
 240       },
 241
 242       err => this.notificationsService.error(this.i18n('Error'), err.message)
 243     )
 244   }
 245
 246   isUserLoggedIn () {
 247     return this.authService.isLoggedIn()
 248   }
 249
 250   isVideoUpdatable () {
 251     return this.video.isUpdatableBy(this.authService.getUser())
 252   }
 253
 254   isVideoBlacklistable () {
 255     return this.video.isBlackistableBy(this.user)
 256   }
 257
 258   isVideoUnblacklistable () {
 259     return this.video.isUnblacklistableBy(this.user)
 260   }
 261
 262   getVideoPoster () {
 263     if (!this.video) return ''
 264
 265     return this.video.previewUrl
 266   }
 267
 268   getVideoTags () {
 269     if (!this.video || Array.isArray(this.video.tags) === false) return []
 270
 271     return this.video.tags
 272   }
 273
 274   isVideoRemovable () {
 275     return this.video.isRemovableBy(this.authService.getUser())
 276   }
 277
 278   async removeVideo (event: Event) {
 279     event.preventDefault()
 280
 281     const res = await this.confirmService.confirm(this.i18n('Do you really want to delete this video?'), this.i18n('Delete'))
 282     if (res === false) return
 283
 284     this.videoService.removeVideo(this.video.id)
 285         .subscribe(
 286           status => {
 287             this.notificationsService.success(
 288               this.i18n('Success'),
 289               this.i18n('Video {{videoName}} deleted.', { videoName: this.video.name })
 290             )
 291
 292             // Go back to the video-list.
 293             this.redirectService.redirectToHomepage()
 294           },
 295
 296           error => this.notificationsService.error(this.i18n('Error'), error.message)
 297         )
 298   }
 299
 300   acceptedPrivacyConcern () {
 301     peertubeLocalStorage.setItem(VideoWatchComponent.LOCAL_STORAGE_PRIVACY_CONCERN_KEY, 'true')
 302     this.hasAlreadyAcceptedPrivacyConcern = true
 303   }
 304
 305   isVideoToTranscode () {
 306     return this.video && this.video.state.id === VideoState.TO_TRANSCODE
 307   }
 308
 309   isVideoToImport () {
 310     return this.video && this.video.state.id === VideoState.TO_IMPORT
 311   }
 312
 313   hasVideoScheduledPublication () {
 314     return this.video && this.video.scheduledUpdate !== undefined
 315   }
 316
 317   private updateVideoDescription (description: string) {
 318     this.video.description = description
 319     this.setVideoDescriptionHTML()
 320   }
 321
 322   private setVideoDescriptionHTML () {
 323     this.videoHTMLDescription = this.markdownService.textMarkdownToHTML(this.video.description)
 324   }
 325
 326   private setVideoLikesBarTooltipText () {
 327     this.likesBarTooltipText = this.i18n('{{likesNumber}} likes / {{dislikesNumber}} dislikes', {
 328       likesNumber: this.video.likes,
 329       dislikesNumber: this.video.dislikes
 330     })
 331   }
 332
 333   private handleError (err: any) {
 334     const errorMessage: string = typeof err === 'string' ? err : err.message
 335     if (!errorMessage) return
 336
 337     // Display a message in the video player instead of a notification
 338     if (errorMessage.indexOf('from xs param') !== -1) {
 339       this.flushPlayer()
 340       this.remoteServerDown = true
 341       this.changeDetector.detectChanges()
 342
 343       return
 344     }
 345
 346     this.notificationsService.error(this.i18n('Error'), errorMessage)
 347   }
 348
 349   private checkUserRating () {
 350     // Unlogged users do not have ratings
 351     if (this.isUserLoggedIn() === false) return
 352
 353     this.videoService.getUserVideoRating(this.video.id)
 354         .subscribe(
 355           ratingObject => {
 356             if (ratingObject) {
 357               this.userRating = ratingObject.rating
 358             }
 359           },
 360
 361           err => this.notificationsService.error(this.i18n('Error'), err.message)
 362         )
 363   }
 364
 365   private async onVideoFetched (video: VideoDetails, videoCaptions: VideoCaption[], startTime = 0) {
 366     this.video = video
 367
 368     // Re init attributes
 369     this.descriptionLoading = false
 370     this.completeDescriptionShown = false
 371     this.remoteServerDown = false
 372
 373     this.updateOtherVideosDisplayed()
 374
 375     if (this.video.isVideoNSFWForUser(this.user, this.serverService.getConfig())) {
 376       const res = await this.confirmService.confirm(
 377         this.i18n('This video contains mature or explicit content. Are you sure you want to watch it?'),
 378         this.i18n('Mature or explicit content')
 379       )
 380       if (res === false) return this.redirectService.redirectToHomepage()
 381     }
 382
 383     // Flush old player if needed
 384     this.flushPlayer()
 385
 386     // Build video element, because videojs remove it on dispose
 387     const playerElementWrapper = this.elementRef.nativeElement.querySelector('#video-element-wrapper')
 388     this.playerElement = document.createElement('video')
 389     this.playerElement.className = 'video-js vjs-peertube-skin'
 390     this.playerElement.setAttribute('playsinline', 'true')
 391     playerElementWrapper.appendChild(this.playerElement)
 392
 393     const playerCaptions = videoCaptions.map(c => ({
 394       label: c.language.label,
 395       language: c.language.id,
 396       src: environment.apiUrl + c.captionPath
 397     }))
 398
 399     const videojsOptions = getVideojsOptions({
 400       autoplay: this.isAutoplay(),
 401       inactivityTimeout: 2500,
 402       videoFiles: this.video.files,
 403       videoCaptions: playerCaptions,
 404       playerElement: this.playerElement,
 405       videoViewUrl: this.video.privacy.id !== VideoPrivacy.PRIVATE ? this.videoService.getVideoViewUrl(this.video.uuid) : null,
 406       videoDuration: this.video.duration,
 407       enableHotkeys: true,
 408       peertubeLink: false,
 409       poster: this.video.previewUrl,
 410       startTime,
 411       theaterMode: true
 412     })
 413
 414     if (this.videojsLocaleLoaded === false) {
 415       await loadLocale(environment.apiUrl, videojs, isOnDevLocale() ? getDevLocale() : this.localeId)
 416       this.videojsLocaleLoaded = true
 417     }
 418
 419     const self = this
 420     this.zone.runOutsideAngular(async () => {
 421       videojs(this.playerElement, videojsOptions, function () {
 422         self.player = this
 423         this.on('customError', (event, data) => self.handleError(data.err))
 424
 425         addContextMenu(self.player, self.video.embedUrl)
 426       })
 427     })
 428
 429     this.setVideoDescriptionHTML()
 430     this.setVideoLikesBarTooltipText()
 431
 432     this.setOpenGraphTags()
 433     this.checkUserRating()
 434   }
 435
 436   private setRating (nextRating) {
 437     let method
 438     switch (nextRating) {
 439       case 'like':
 440         method = this.videoService.setVideoLike
 441         break
 442       case 'dislike':
 443         method = this.videoService.setVideoDislike
 444         break
 445       case 'none':
 446         method = this.videoService.unsetVideoLike
 447         break
 448     }
 449
 450     method.call(this.videoService, this.video.id)
 451           .subscribe(
 452             () => {
 453               // Update the video like attribute
 454               this.updateVideoRating(this.userRating, nextRating)
 455               this.userRating = nextRating
 456             },
 457
 458             err => this.notificationsService.error(this.i18n('Error'), err.message)
 459           )
 460   }
 461
 462   private updateVideoRating (oldRating: UserVideoRateType, newRating: VideoRateType) {
 463     let likesToIncrement = 0
 464     let dislikesToIncrement = 0
 465
 466     if (oldRating) {
 467       if (oldRating === 'like') likesToIncrement--
 468       if (oldRating === 'dislike') dislikesToIncrement--
 469     }
 470
 471     if (newRating === 'like') likesToIncrement++
 472     if (newRating === 'dislike') dislikesToIncrement++
 473
 474     this.video.likes += likesToIncrement
 475     this.video.dislikes += dislikesToIncrement
 476
 477     this.video.buildLikeAndDislikePercents()
 478     this.setVideoLikesBarTooltipText()
 479   }
 480
 481   private updateOtherVideosDisplayed () {
 482     if (this.video && this.otherVideos && this.otherVideos.length > 0) {
 483       this.otherVideosDisplayed = this.otherVideos.filter(v => v.uuid !== this.video.uuid)
 484     }
 485   }
 486
 487   private setOpenGraphTags () {
 488     this.metaService.setTitle(this.video.name)
 489
 490     this.metaService.setTag('og:type', 'video')
 491
 492     this.metaService.setTag('og:title', this.video.name)
 493     this.metaService.setTag('name', this.video.name)
 494
 495     this.metaService.setTag('og:description', this.video.description)
 496     this.metaService.setTag('description', this.video.description)
 497
 498     this.metaService.setTag('og:image', this.video.previewPath)
 499
 500     this.metaService.setTag('og:duration', this.video.duration.toString())
 501
 502     this.metaService.setTag('og:site_name', 'PeerTube')
 503
 504     this.metaService.setTag('og:url', window.location.href)
 505     this.metaService.setTag('url', window.location.href)
 506   }
 507
 508   private isAutoplay () {
 509     // We'll jump to the thread id, so do not play the video
 510     if (this.route.snapshot.params['threadId']) return false
 511
 512     // Otherwise true by default
 513     if (!this.user) return true
 514
 515     // Be sure the autoPlay is set to false
 516     return this.user.autoPlayVideo !== false
 517   }
 518
 519   private flushPlayer () {
 520     // Remove player if it exists
 521     if (this.player) {
 522       this.player.dispose()
 523       this.player = undefined
 524     }
 525   }
 526 }