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, VideoCaption, 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
  32 @Component({
  33   selector: 'my-video-watch',
  34   templateUrl: './video-watch.component.html',
  35   styleUrls: [ './video-watch.component.scss' ]
  36 })
  37 export class VideoWatchComponent implements OnInit, OnDestroy {
  38   private static LOCAL_STORAGE_PRIVACY_CONCERN_KEY = 'video-watch-privacy-concern'
  39
  40   @ViewChild('videoDownloadModal') videoDownloadModal: VideoDownloadComponent
  41   @ViewChild('videoShareModal') videoShareModal: VideoShareComponent
  42   @ViewChild('videoReportModal') videoReportModal: VideoReportComponent
  43   @ViewChild('videoSupportModal') videoSupportModal: VideoSupportComponent
  44   @ViewChild('videoBlacklistModal') videoBlacklistModal: VideoBlacklistComponent
  45
  46   otherVideosDisplayed: Video[] = []
  47
  48   player: videojs.Player
  49   playerElement: HTMLVideoElement
  50   userRating: UserVideoRateType = null
  51   video: VideoDetails = null
  52   descriptionLoading = false
  53
  54   completeDescriptionShown = false
  55   completeVideoDescription: string
  56   shortVideoDescription: string
  57   videoHTMLDescription = ''
  58   likesBarTooltipText = ''
  59   hasAlreadyAcceptedPrivacyConcern = false
  60   remoteServerDown = false
  61
  62   private videojsLocaleLoaded = false
  63   private otherVideos: Video[] = []
  64   private paramsSub: Subscription
  65
  66   constructor (
  67     private elementRef: ElementRef,
  68     private changeDetector: ChangeDetectorRef,
  69     private route: ActivatedRoute,
  70     private router: Router,
  71     private videoService: VideoService,
  72     private videoBlacklistService: VideoBlacklistService,
  73     private confirmService: ConfirmService,
  74     private metaService: MetaService,
  75     private authService: AuthService,
  76     private serverService: ServerService,
  77     private restExtractor: RestExtractor,
  78     private notificationsService: NotificationsService,
  79     private markdownService: MarkdownService,
  80     private zone: NgZone,
  81     private redirectService: RedirectService,
  82     private videoCaptionService: VideoCaptionService,
  83     private i18n: I18n,
  84     @Inject(LOCALE_ID) private localeId: string
  85   ) {}
  86
  87   get user () {
  88     return this.authService.getUser()
  89   }
  90
  91   ngOnInit () {
  92     if (
  93       WebTorrent.WEBRTC_SUPPORT === false ||
  94       peertubeLocalStorage.getItem(VideoWatchComponent.LOCAL_STORAGE_PRIVACY_CONCERN_KEY) === 'true'
  95     ) {
  96       this.hasAlreadyAcceptedPrivacyConcern = true
  97     }
  98
  99     this.videoService.getVideos({ currentPage: 1, itemsPerPage: 5 }, '-createdAt')
 100         .subscribe(
 101           data => {
 102             this.otherVideos = data.videos
 103             this.updateOtherVideosDisplayed()
 104           },
 105
 106           err => console.error(err)
 107         )
 108
 109     this.paramsSub = this.route.params.subscribe(routeParams => {
 110       const uuid = routeParams[ 'uuid' ]
 111
 112       // Video did not change
 113       if (this.video && this.video.uuid === uuid) return
 114
 115       if (this.player) this.player.pause()
 116
 117       // Video did change
 118       forkJoin(
 119         this.videoService.getVideo(uuid),
 120         this.videoCaptionService.listCaptions(uuid)
 121       )
 122         .pipe(
 123           // If 401, the video is private or blacklisted so redirect to 404
 124           catchError(err => this.restExtractor.redirectTo404IfNotFound(err, [ 400, 401, 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   async unblacklistVideo (event: Event) {
 221     event.preventDefault()
 222
 223     const confirmMessage = this.i18n(
 224       'Do you really want to remove this video from the blacklist? It will be available again in the videos list.'
 225     )
 226
 227     const res = await this.confirmService.confirm(confirmMessage, this.i18n('Unblacklist'))
 228     if (res === false) return
 229
 230     this.videoBlacklistService.removeVideoFromBlacklist(this.video.id).subscribe(
 231       () => {
 232         this.notificationsService.success(
 233           this.i18n('Success'),
 234           this.i18n('Video {{name}} removed from the blacklist.', { name: this.video.name })
 235         )
 236
 237         this.video.blacklisted = false
 238         this.video.blacklistedReason = null
 239       },
 240
 241       err => this.notificationsService.error(this.i18n('Error'), err.message)
 242     )
 243   }
 244
 245   isUserLoggedIn () {
 246     return this.authService.isLoggedIn()
 247   }
 248
 249   isVideoUpdatable () {
 250     return this.video.isUpdatableBy(this.authService.getUser())
 251   }
 252
 253   isVideoBlacklistable () {
 254     return this.video.isBlackistableBy(this.user)
 255   }
 256
 257   isVideoUnblacklistable () {
 258     return this.video.isUnblacklistableBy(this.user)
 259   }
 260
 261   getVideoPoster () {
 262     if (!this.video) return ''
 263
 264     return this.video.previewUrl
 265   }
 266
 267   getVideoTags () {
 268     if (!this.video || Array.isArray(this.video.tags) === false) return []
 269
 270     return this.video.tags
 271   }
 272
 273   isVideoRemovable () {
 274     return this.video.isRemovableBy(this.authService.getUser())
 275   }
 276
 277   async removeVideo (event: Event) {
 278     event.preventDefault()
 279
 280     const res = await this.confirmService.confirm(this.i18n('Do you really want to delete this video?'), this.i18n('Delete'))
 281     if (res === false) return
 282
 283     this.videoService.removeVideo(this.video.id)
 284         .subscribe(
 285           status => {
 286             this.notificationsService.success(
 287               this.i18n('Success'),
 288               this.i18n('Video {{videoName}} deleted.', { videoName: this.video.name })
 289             )
 290
 291             // Go back to the video-list.
 292             this.redirectService.redirectToHomepage()
 293           },
 294
 295           error => this.notificationsService.error(this.i18n('Error'), error.message)
 296         )
 297   }
 298
 299   acceptedPrivacyConcern () {
 300     peertubeLocalStorage.setItem(VideoWatchComponent.LOCAL_STORAGE_PRIVACY_CONCERN_KEY, 'true')
 301     this.hasAlreadyAcceptedPrivacyConcern = true
 302   }
 303
 304   isVideoToTranscode () {
 305     return this.video && this.video.state.id === VideoState.TO_TRANSCODE
 306   }
 307
 308   isVideoToImport () {
 309     return this.video && this.video.state.id === VideoState.TO_IMPORT
 310   }
 311
 312   hasVideoScheduledPublication () {
 313     return this.video && this.video.scheduledUpdate !== undefined
 314   }
 315
 316   private updateVideoDescription (description: string) {
 317     this.video.description = description
 318     this.setVideoDescriptionHTML()
 319   }
 320
 321   private setVideoDescriptionHTML () {
 322     this.videoHTMLDescription = this.markdownService.textMarkdownToHTML(this.video.description)
 323   }
 324
 325   private setVideoLikesBarTooltipText () {
 326     this.likesBarTooltipText = this.i18n('{{likesNumber}} likes / {{dislikesNumber}} dislikes', {
 327       likesNumber: this.video.likes,
 328       dislikesNumber: this.video.dislikes
 329     })
 330   }
 331
 332   private handleError (err: any) {
 333     const errorMessage: string = typeof err === 'string' ? err : err.message
 334     if (!errorMessage) return
 335
 336     // Display a message in the video player instead of a notification
 337     if (errorMessage.indexOf('from xs param') !== -1) {
 338       this.flushPlayer()
 339       this.remoteServerDown = true
 340       this.changeDetector.detectChanges()
 341
 342       return
 343     }
 344
 345     this.notificationsService.error(this.i18n('Error'), errorMessage)
 346   }
 347
 348   private checkUserRating () {
 349     // Unlogged users do not have ratings
 350     if (this.isUserLoggedIn() === false) return
 351
 352     this.videoService.getUserVideoRating(this.video.id)
 353         .subscribe(
 354           ratingObject => {
 355             if (ratingObject) {
 356               this.userRating = ratingObject.rating
 357             }
 358           },
 359
 360           err => this.notificationsService.error(this.i18n('Error'), err.message)
 361         )
 362   }
 363
 364   private async onVideoFetched (video: VideoDetails, videoCaptions: VideoCaption[], startTime = 0) {
 365     this.video = video
 366
 367     // Re init attributes
 368     this.descriptionLoading = false
 369     this.completeDescriptionShown = false
 370     this.remoteServerDown = false
 371
 372     this.updateOtherVideosDisplayed()
 373
 374     if (this.video.isVideoNSFWForUser(this.user, this.serverService.getConfig())) {
 375       const res = await this.confirmService.confirm(
 376         this.i18n('This video contains mature or explicit content. Are you sure you want to watch it?'),
 377         this.i18n('Mature or explicit content')
 378       )
 379       if (res === false) return this.redirectService.redirectToHomepage()
 380     }
 381
 382     // Flush old player if needed
 383     this.flushPlayer()
 384
 385     // Build video element, because videojs remove it on dispose
 386     const playerElementWrapper = this.elementRef.nativeElement.querySelector('#video-element-wrapper')
 387     this.playerElement = document.createElement('video')
 388     this.playerElement.className = 'video-js vjs-peertube-skin'
 389     this.playerElement.setAttribute('playsinline', 'true')
 390     playerElementWrapper.appendChild(this.playerElement)
 391
 392     const playerCaptions = videoCaptions.map(c => ({
 393       label: c.language.label,
 394       language: c.language.id,
 395       src: environment.apiUrl + c.captionPath
 396     }))
 397
 398     const videojsOptions = getVideojsOptions({
 399       autoplay: this.isAutoplay(),
 400       inactivityTimeout: 2500,
 401       videoFiles: this.video.files,
 402       videoCaptions: playerCaptions,
 403       playerElement: this.playerElement,
 404       videoViewUrl: this.video.privacy.id !== VideoPrivacy.PRIVATE ? this.videoService.getVideoViewUrl(this.video.uuid) : null,
 405       videoDuration: this.video.duration,
 406       enableHotkeys: true,
 407       peertubeLink: false,
 408       poster: this.video.previewUrl,
 409       startTime,
 410       theaterMode: true
 411     })
 412
 413     if (this.videojsLocaleLoaded === false) {
 414       await loadLocale(environment.apiUrl, videojs, isOnDevLocale() ? getDevLocale() : this.localeId)
 415       this.videojsLocaleLoaded = true
 416     }
 417
 418     const self = this
 419     this.zone.runOutsideAngular(async () => {
 420       videojs(this.playerElement, videojsOptions, function () {
 421         self.player = this
 422         this.on('customError', (event, data) => self.handleError(data.err))
 423
 424         addContextMenu(self.player, self.video.embedUrl)
 425       })
 426     })
 427
 428     this.setVideoDescriptionHTML()
 429     this.setVideoLikesBarTooltipText()
 430
 431     this.setOpenGraphTags()
 432     this.checkUserRating()
 433   }
 434
 435   private setRating (nextRating) {
 436     let method
 437     switch (nextRating) {
 438       case 'like':
 439         method = this.videoService.setVideoLike
 440         break
 441       case 'dislike':
 442         method = this.videoService.setVideoDislike
 443         break
 444       case 'none':
 445         method = this.videoService.unsetVideoLike
 446         break
 447     }
 448
 449     method.call(this.videoService, this.video.id)
 450           .subscribe(
 451             () => {
 452               // Update the video like attribute
 453               this.updateVideoRating(this.userRating, nextRating)
 454               this.userRating = nextRating
 455             },
 456
 457             err => this.notificationsService.error(this.i18n('Error'), err.message)
 458           )
 459   }
 460
 461   private updateVideoRating (oldRating: UserVideoRateType, newRating: VideoRateType) {
 462     let likesToIncrement = 0
 463     let dislikesToIncrement = 0
 464
 465     if (oldRating) {
 466       if (oldRating === 'like') likesToIncrement--
 467       if (oldRating === 'dislike') dislikesToIncrement--
 468     }
 469
 470     if (newRating === 'like') likesToIncrement++
 471     if (newRating === 'dislike') dislikesToIncrement++
 472
 473     this.video.likes += likesToIncrement
 474     this.video.dislikes += dislikesToIncrement
 475
 476     this.video.buildLikeAndDislikePercents()
 477     this.setVideoLikesBarTooltipText()
 478   }
 479
 480   private updateOtherVideosDisplayed () {
 481     if (this.video && this.otherVideos && this.otherVideos.length > 0) {
 482       this.otherVideosDisplayed = this.otherVideos.filter(v => v.uuid !== this.video.uuid)
 483     }
 484   }
 485
 486   private setOpenGraphTags () {
 487     this.metaService.setTitle(this.video.name)
 488
 489     this.metaService.setTag('og:type', 'video')
 490
 491     this.metaService.setTag('og:title', this.video.name)
 492     this.metaService.setTag('name', this.video.name)
 493
 494     this.metaService.setTag('og:description', this.video.description)
 495     this.metaService.setTag('description', this.video.description)
 496
 497     this.metaService.setTag('og:image', this.video.previewPath)
 498
 499     this.metaService.setTag('og:duration', this.video.duration.toString())
 500
 501     this.metaService.setTag('og:site_name', 'PeerTube')
 502
 503     this.metaService.setTag('og:url', window.location.href)
 504     this.metaService.setTag('url', window.location.href)
 505   }
 506
 507   private isAutoplay () {
 508     // We'll jump to the thread id, so do not play the video
 509     if (this.route.snapshot.params['threadId']) return false
 510
 511     // Otherwise true by default
 512     if (!this.user) return true
 513
 514     // Be sure the autoPlay is set to false
 515     return this.user.autoPlayVideo !== false
 516   }
 517
 518   private flushPlayer () {
 519     // Remove player if it exists
 520     if (this.player) {
 521       this.player.dispose()
 522       this.player = undefined
 523     }
 524   }
 525 }