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