client/src/app/videos/+video-watch/video-watch.component.ts

   1 import { catchError } from 'rxjs/operators'
   2 import { 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 { ResultList, 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 { addContextMenu, getVideojsOptions, loadLocale } from '../../../assets/player/peertube-player'
  25 import { ServerService } from '@app/core'
  26 import { I18n } from '@ngx-translate/i18n-polyfill'
  27 import { environment } from '../../../environments/environment'
  28 import { getDevLocale, isOnDevLocale } from '@app/shared/i18n/i18n-utils'
  29 import { VideoCaptionService } from '@app/shared/video-caption'
  30 import { VideoCaption } from '../../../../../shared/models/videos/video-caption.model'
  31 import { VideoJSCaption } from '../../../assets/player/peertube-videojs-typings'
  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
  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
  61   private videojsLocaleLoaded = false
  62   private otherVideos: Video[] = []
  63   private paramsSub: Subscription
  64
  65   constructor (
  66     private elementRef: ElementRef,
  67     private route: ActivatedRoute,
  68     private router: Router,
  69     private videoService: VideoService,
  70     private videoBlacklistService: VideoBlacklistService,
  71     private confirmService: ConfirmService,
  72     private metaService: MetaService,
  73     private authService: AuthService,
  74     private serverService: ServerService,
  75     private restExtractor: RestExtractor,
  76     private notificationsService: NotificationsService,
  77     private markdownService: MarkdownService,
  78     private zone: NgZone,
  79     private redirectService: RedirectService,
  80     private videoCaptionService: VideoCaptionService,
  81     private i18n: I18n,
  82     @Inject(LOCALE_ID) private localeId: string
  83   ) {}
  84
  85   get user () {
  86     return this.authService.getUser()
  87   }
  88
  89   ngOnInit () {
  90     if (
  91       WebTorrent.WEBRTC_SUPPORT === false ||
  92       peertubeLocalStorage.getItem(VideoWatchComponent.LOCAL_STORAGE_PRIVACY_CONCERN_KEY) === 'true'
  93     ) {
  94       this.hasAlreadyAcceptedPrivacyConcern = true
  95     }
  96
  97     this.videoService.getVideos({ currentPage: 1, itemsPerPage: 5 }, '-createdAt')
  98         .subscribe(
  99           data => {
 100             this.otherVideos = data.videos
 101             this.updateOtherVideosDisplayed()
 102           },
 103
 104           err => console.error(err)
 105         )
 106
 107     this.paramsSub = this.route.params.subscribe(routeParams => {
 108       const uuid = routeParams[ 'uuid' ]
 109
 110       // Video did not change
 111       if (this.video && this.video.uuid === uuid) return
 112
 113       if (this.player) this.player.pause()
 114
 115       // Video did change
 116       forkJoin(
 117         this.videoService.getVideo(uuid),
 118         this.videoCaptionService.listCaptions(uuid)
 119       )
 120         .pipe(
 121           catchError(err => this.restExtractor.redirectTo404IfNotFound(err, [ 400, 404 ]))
 122         )
 123         .subscribe(([ video, captionsResult ]) => {
 124           const startTime = this.route.snapshot.queryParams.start
 125           this.onVideoFetched(video, captionsResult.data, startTime)
 126               .catch(err => this.handleError(err))
 127         })
 128     })
 129   }
 130
 131   ngOnDestroy () {
 132     this.flushPlayer()
 133
 134     // Unsubscribe subscriptions
 135     this.paramsSub.unsubscribe()
 136   }
 137
 138   setLike () {
 139     if (this.isUserLoggedIn() === false) return
 140     if (this.userRating === 'like') {
 141       // Already liked this video
 142       this.setRating('none')
 143     } else {
 144       this.setRating('like')
 145     }
 146   }
 147
 148   setDislike () {
 149     if (this.isUserLoggedIn() === false) return
 150     if (this.userRating === 'dislike') {
 151       // Already disliked this video
 152       this.setRating('none')
 153     } else {
 154       this.setRating('dislike')
 155     }
 156   }
 157
 158   async blacklistVideo (event: Event) {
 159     event.preventDefault()
 160
 161     const res = await this.confirmService.confirm(this.i18n('Do you really want to blacklist this video?'), this.i18n('Blacklist'))
 162     if (res === false) return
 163
 164     this.videoBlacklistService.blacklistVideo(this.video.id)
 165         .subscribe(
 166           () => {
 167             this.notificationsService.success(
 168               this.i18n('Success'),
 169               this.i18n('Video {{videoName}} had been blacklisted.', { videoName: this.video.name })
 170             )
 171             this.redirectService.redirectToHomepage()
 172           },
 173
 174           error => this.notificationsService.error(this.i18n('Error'), error.message)
 175         )
 176   }
 177
 178   showMoreDescription () {
 179     if (this.completeVideoDescription === undefined) {
 180       return this.loadCompleteDescription()
 181     }
 182
 183     this.updateVideoDescription(this.completeVideoDescription)
 184     this.completeDescriptionShown = true
 185   }
 186
 187   showLessDescription () {
 188     this.updateVideoDescription(this.shortVideoDescription)
 189     this.completeDescriptionShown = false
 190   }
 191
 192   loadCompleteDescription () {
 193     this.descriptionLoading = true
 194
 195     this.videoService.loadCompleteDescription(this.video.descriptionPath)
 196         .subscribe(
 197           description => {
 198             this.completeDescriptionShown = true
 199             this.descriptionLoading = false
 200
 201             this.shortVideoDescription = this.video.description
 202             this.completeVideoDescription = description
 203
 204             this.updateVideoDescription(this.completeVideoDescription)
 205           },
 206
 207           error => {
 208             this.descriptionLoading = false
 209             this.notificationsService.error(this.i18n('Error'), error.message)
 210           }
 211         )
 212   }
 213
 214   showReportModal (event: Event) {
 215     event.preventDefault()
 216     this.videoReportModal.show()
 217   }
 218
 219   showSupportModal () {
 220     this.videoSupportModal.show()
 221   }
 222
 223   showShareModal () {
 224     this.videoShareModal.show()
 225   }
 226
 227   showDownloadModal (event: Event) {
 228     event.preventDefault()
 229     this.videoDownloadModal.show()
 230   }
 231
 232   isUserLoggedIn () {
 233     return this.authService.isLoggedIn()
 234   }
 235
 236   isVideoUpdatable () {
 237     return this.video.isUpdatableBy(this.authService.getUser())
 238   }
 239
 240   isVideoBlacklistable () {
 241     return this.video.isBlackistableBy(this.user)
 242   }
 243
 244   getVideoPoster () {
 245     if (!this.video) return ''
 246
 247     return this.video.previewUrl
 248   }
 249
 250   getVideoTags () {
 251     if (!this.video || Array.isArray(this.video.tags) === false) return []
 252
 253     return this.video.tags.join(', ')
 254   }
 255
 256   isVideoRemovable () {
 257     return this.video.isRemovableBy(this.authService.getUser())
 258   }
 259
 260   async removeVideo (event: Event) {
 261     event.preventDefault()
 262
 263     const res = await this.confirmService.confirm(this.i18n('Do you really want to delete this video?'), this.i18n('Delete'))
 264     if (res === false) return
 265
 266     this.videoService.removeVideo(this.video.id)
 267         .subscribe(
 268           status => {
 269             this.notificationsService.success(
 270               this.i18n('Success'),
 271               this.i18n('Video {{videoName}} deleted.', { videoName: this.video.name })
 272             )
 273
 274             // Go back to the video-list.
 275             this.redirectService.redirectToHomepage()
 276           },
 277
 278           error => this.notificationsService.error(this.i18n('Error'), error.message)
 279         )
 280   }
 281
 282   acceptedPrivacyConcern () {
 283     peertubeLocalStorage.setItem(VideoWatchComponent.LOCAL_STORAGE_PRIVACY_CONCERN_KEY, 'true')
 284     this.hasAlreadyAcceptedPrivacyConcern = true
 285   }
 286
 287   isVideoToTranscode () {
 288     return this.video && this.video.state.id === VideoState.TO_TRANSCODE
 289   }
 290
 291   hasVideoScheduledPublication () {
 292     return this.video && this.video.scheduledUpdate !== undefined
 293   }
 294
 295   private updateVideoDescription (description: string) {
 296     this.video.description = description
 297     this.setVideoDescriptionHTML()
 298   }
 299
 300   private setVideoDescriptionHTML () {
 301     this.videoHTMLDescription = this.markdownService.textMarkdownToHTML(this.video.description)
 302   }
 303
 304   private setVideoLikesBarTooltipText () {
 305     this.likesBarTooltipText = this.i18n('{{likesNumber}} likes / {{dislikesNumber}} dislikes', {
 306       likesNumber: this.video.likes,
 307       dislikesNumber: this.video.dislikes
 308     })
 309   }
 310
 311   private handleError (err: any) {
 312     const errorMessage: string = typeof err === 'string' ? err : err.message
 313     if (!errorMessage) return
 314
 315     let message = ''
 316
 317     if (errorMessage.indexOf('http error') !== -1) {
 318       message = this.i18n('Cannot fetch video from server, maybe down.')
 319     } else {
 320       message = errorMessage
 321     }
 322
 323     this.notificationsService.error(this.i18n('Error'), message)
 324   }
 325
 326   private checkUserRating () {
 327     // Unlogged users do not have ratings
 328     if (this.isUserLoggedIn() === false) return
 329
 330     this.videoService.getUserVideoRating(this.video.id)
 331         .subscribe(
 332           ratingObject => {
 333             if (ratingObject) {
 334               this.userRating = ratingObject.rating
 335             }
 336           },
 337
 338           err => this.notificationsService.error(this.i18n('Error'), err.message)
 339         )
 340   }
 341
 342   private async onVideoFetched (video: VideoDetails, videoCaptions: VideoCaption[], startTime = 0) {
 343     this.video = video
 344
 345     // Re init attributes
 346     this.descriptionLoading = false
 347     this.completeDescriptionShown = false
 348
 349     this.updateOtherVideosDisplayed()
 350
 351     if (this.video.isVideoNSFWForUser(this.user, this.serverService.getConfig())) {
 352       const res = await this.confirmService.confirm(
 353         this.i18n('This video contains mature or explicit content. Are you sure you want to watch it?'),
 354         this.i18n('Mature or explicit content')
 355       )
 356       if (res === false) return this.redirectService.redirectToHomepage()
 357     }
 358
 359     // Flush old player if needed
 360     this.flushPlayer()
 361
 362     // Build video element, because videojs remove it on dispose
 363     const playerElementWrapper = this.elementRef.nativeElement.querySelector('#video-element-wrapper')
 364     this.playerElement = document.createElement('video')
 365     this.playerElement.className = 'video-js vjs-peertube-skin'
 366     this.playerElement.setAttribute('playsinline', 'true')
 367     playerElementWrapper.appendChild(this.playerElement)
 368
 369     const playerCaptions = videoCaptions.map(c => ({
 370       label: c.language.label,
 371       language: c.language.id,
 372       src: environment.apiUrl + c.captionPath
 373     }))
 374
 375     const videojsOptions = getVideojsOptions({
 376       autoplay: this.isAutoplay(),
 377       inactivityTimeout: 2500,
 378       videoFiles: this.video.files,
 379       videoCaptions: playerCaptions,
 380       playerElement: this.playerElement,
 381       videoViewUrl: this.video.privacy.id !== VideoPrivacy.PRIVATE ? this.videoService.getVideoViewUrl(this.video.uuid) : null,
 382       videoDuration: this.video.duration,
 383       enableHotkeys: true,
 384       peertubeLink: false,
 385       poster: this.video.previewUrl,
 386       startTime,
 387       theaterMode: true
 388     })
 389
 390     if (this.videojsLocaleLoaded === false) {
 391       await loadLocale(environment.apiUrl, videojs, isOnDevLocale() ? getDevLocale() : this.localeId)
 392       this.videojsLocaleLoaded = true
 393     }
 394
 395     const self = this
 396     this.zone.runOutsideAngular(async () => {
 397       videojs(this.playerElement, videojsOptions, function () {
 398         self.player = this
 399         this.on('customError', (event, data) => self.handleError(data.err))
 400
 401         addContextMenu(self.player, self.video.embedUrl)
 402       })
 403     })
 404
 405     this.setVideoDescriptionHTML()
 406     this.setVideoLikesBarTooltipText()
 407
 408     this.setOpenGraphTags()
 409     this.checkUserRating()
 410   }
 411
 412   private setRating (nextRating) {
 413     let method
 414     switch (nextRating) {
 415       case 'like':
 416         method = this.videoService.setVideoLike
 417         break
 418       case 'dislike':
 419         method = this.videoService.setVideoDislike
 420         break
 421       case 'none':
 422         method = this.videoService.unsetVideoLike
 423         break
 424     }
 425
 426     method.call(this.videoService, this.video.id)
 427           .subscribe(
 428             () => {
 429               // Update the video like attribute
 430               this.updateVideoRating(this.userRating, nextRating)
 431               this.userRating = nextRating
 432             },
 433
 434             err => this.notificationsService.error(this.i18n('Error'), err.message)
 435           )
 436   }
 437
 438   private updateVideoRating (oldRating: UserVideoRateType, newRating: VideoRateType) {
 439     let likesToIncrement = 0
 440     let dislikesToIncrement = 0
 441
 442     if (oldRating) {
 443       if (oldRating === 'like') likesToIncrement--
 444       if (oldRating === 'dislike') dislikesToIncrement--
 445     }
 446
 447     if (newRating === 'like') likesToIncrement++
 448     if (newRating === 'dislike') dislikesToIncrement++
 449
 450     this.video.likes += likesToIncrement
 451     this.video.dislikes += dislikesToIncrement
 452
 453     this.video.buildLikeAndDislikePercents()
 454     this.setVideoLikesBarTooltipText()
 455   }
 456
 457   private updateOtherVideosDisplayed () {
 458     if (this.video && this.otherVideos && this.otherVideos.length > 0) {
 459       this.otherVideosDisplayed = this.otherVideos.filter(v => v.uuid !== this.video.uuid)
 460     }
 461   }
 462
 463   private setOpenGraphTags () {
 464     this.metaService.setTitle(this.video.name)
 465
 466     this.metaService.setTag('og:type', 'video')
 467
 468     this.metaService.setTag('og:title', this.video.name)
 469     this.metaService.setTag('name', this.video.name)
 470
 471     this.metaService.setTag('og:description', this.video.description)
 472     this.metaService.setTag('description', this.video.description)
 473
 474     this.metaService.setTag('og:image', this.video.previewPath)
 475
 476     this.metaService.setTag('og:duration', this.video.duration.toString())
 477
 478     this.metaService.setTag('og:site_name', 'PeerTube')
 479
 480     this.metaService.setTag('og:url', window.location.href)
 481     this.metaService.setTag('url', window.location.href)
 482   }
 483
 484   private isAutoplay () {
 485     // We'll jump to the thread id, so do not play the video
 486     if (this.route.snapshot.params['threadId']) return false
 487
 488     // Otherwise true by default
 489     if (!this.user) return true
 490
 491     // Be sure the autoPlay is set to false
 492     return this.user.autoPlayVideo !== false
 493   }
 494
 495   private flushPlayer () {
 496     // Remove player if it exists
 497     if (this.player) {
 498       this.player.dispose()
 499       this.player = undefined
 500     }
 501   }
 502 }