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 { 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 { 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
  30 @Component({
  31   selector: 'my-video-watch',
  32   templateUrl: './video-watch.component.html',
  33   styleUrls: [ './video-watch.component.scss' ]
  34 })
  35 export class VideoWatchComponent implements OnInit, OnDestroy {
  36   private static LOCAL_STORAGE_PRIVACY_CONCERN_KEY = 'video-watch-privacy-concern'
  37
  38   @ViewChild('videoDownloadModal') videoDownloadModal: VideoDownloadComponent
  39   @ViewChild('videoShareModal') videoShareModal: VideoShareComponent
  40   @ViewChild('videoReportModal') videoReportModal: VideoReportComponent
  41   @ViewChild('videoSupportModal') videoSupportModal: VideoSupportComponent
  42
  43   otherVideosDisplayed: Video[] = []
  44
  45   player: videojs.Player
  46   playerElement: HTMLVideoElement
  47   userRating: UserVideoRateType = null
  48   video: VideoDetails = null
  49   descriptionLoading = false
  50
  51   completeDescriptionShown = false
  52   completeVideoDescription: string
  53   shortVideoDescription: string
  54   videoHTMLDescription = ''
  55   likesBarTooltipText = ''
  56   hasAlreadyAcceptedPrivacyConcern = false
  57
  58   private videojsLocaleLoaded = false
  59   private otherVideos: Video[] = []
  60   private paramsSub: Subscription
  61
  62   constructor (
  63     private elementRef: ElementRef,
  64     private route: ActivatedRoute,
  65     private router: Router,
  66     private videoService: VideoService,
  67     private videoBlacklistService: VideoBlacklistService,
  68     private confirmService: ConfirmService,
  69     private metaService: MetaService,
  70     private authService: AuthService,
  71     private serverService: ServerService,
  72     private restExtractor: RestExtractor,
  73     private notificationsService: NotificationsService,
  74     private markdownService: MarkdownService,
  75     private zone: NgZone,
  76     private redirectService: RedirectService,
  77     private i18n: I18n,
  78     @Inject(LOCALE_ID) private localeId: string
  79   ) {}
  80
  81   get user () {
  82     return this.authService.getUser()
  83   }
  84
  85   ngOnInit () {
  86     if (
  87       WebTorrent.WEBRTC_SUPPORT === false ||
  88       peertubeLocalStorage.getItem(VideoWatchComponent.LOCAL_STORAGE_PRIVACY_CONCERN_KEY) === 'true'
  89     ) {
  90       this.hasAlreadyAcceptedPrivacyConcern = true
  91     }
  92
  93     this.videoService.getVideos({ currentPage: 1, itemsPerPage: 5 }, '-createdAt')
  94         .subscribe(
  95           data => {
  96             this.otherVideos = data.videos
  97             this.updateOtherVideosDisplayed()
  98           },
  99
 100           err => console.error(err)
 101         )
 102
 103     this.paramsSub = this.route.params.subscribe(routeParams => {
 104       const uuid = routeParams[ 'uuid' ]
 105
 106       // Video did not change
 107       if (this.video && this.video.uuid === uuid) return
 108
 109       if (this.player) this.player.pause()
 110
 111       // Video did change
 112       this.videoService
 113           .getVideo(uuid)
 114           .pipe(catchError(err => this.restExtractor.redirectTo404IfNotFound(err, [ 400, 404 ])))
 115           .subscribe(video => {
 116             const startTime = this.route.snapshot.queryParams.start
 117             this.onVideoFetched(video, startTime)
 118                 .catch(err => this.handleError(err))
 119           })
 120     })
 121   }
 122
 123   ngOnDestroy () {
 124     this.flushPlayer()
 125
 126     // Unsubscribe subscriptions
 127     this.paramsSub.unsubscribe()
 128   }
 129
 130   setLike () {
 131     if (this.isUserLoggedIn() === false) return
 132     if (this.userRating === 'like') {
 133       // Already liked this video
 134       this.setRating('none')
 135     } else {
 136       this.setRating('like')
 137     }
 138   }
 139
 140   setDislike () {
 141     if (this.isUserLoggedIn() === false) return
 142     if (this.userRating === 'dislike') {
 143       // Already disliked this video
 144       this.setRating('none')
 145     } else {
 146       this.setRating('dislike')
 147     }
 148   }
 149
 150   async blacklistVideo (event: Event) {
 151     event.preventDefault()
 152
 153     const res = await this.confirmService.confirm(this.i18n('Do you really want to blacklist this video?'), this.i18n('Blacklist'))
 154     if (res === false) return
 155
 156     this.videoBlacklistService.blacklistVideo(this.video.id)
 157         .subscribe(
 158           () => {
 159             this.notificationsService.success(
 160               this.i18n('Success'),
 161               this.i18n('Video {{videoName}} had been blacklisted.', { videoName: this.video.name })
 162             )
 163             this.redirectService.redirectToHomepage()
 164           },
 165
 166           error => this.notificationsService.error(this.i18n('Error'), error.message)
 167         )
 168   }
 169
 170   showMoreDescription () {
 171     if (this.completeVideoDescription === undefined) {
 172       return this.loadCompleteDescription()
 173     }
 174
 175     this.updateVideoDescription(this.completeVideoDescription)
 176     this.completeDescriptionShown = true
 177   }
 178
 179   showLessDescription () {
 180     this.updateVideoDescription(this.shortVideoDescription)
 181     this.completeDescriptionShown = false
 182   }
 183
 184   loadCompleteDescription () {
 185     this.descriptionLoading = true
 186
 187     this.videoService.loadCompleteDescription(this.video.descriptionPath)
 188         .subscribe(
 189           description => {
 190             this.completeDescriptionShown = true
 191             this.descriptionLoading = false
 192
 193             this.shortVideoDescription = this.video.description
 194             this.completeVideoDescription = description
 195
 196             this.updateVideoDescription(this.completeVideoDescription)
 197           },
 198
 199           error => {
 200             this.descriptionLoading = false
 201             this.notificationsService.error(this.i18n('Error'), error.message)
 202           }
 203         )
 204   }
 205
 206   showReportModal (event: Event) {
 207     event.preventDefault()
 208     this.videoReportModal.show()
 209   }
 210
 211   showSupportModal () {
 212     this.videoSupportModal.show()
 213   }
 214
 215   showShareModal () {
 216     this.videoShareModal.show()
 217   }
 218
 219   showDownloadModal (event: Event) {
 220     event.preventDefault()
 221     this.videoDownloadModal.show()
 222   }
 223
 224   isUserLoggedIn () {
 225     return this.authService.isLoggedIn()
 226   }
 227
 228   isVideoUpdatable () {
 229     return this.video.isUpdatableBy(this.authService.getUser())
 230   }
 231
 232   isVideoBlacklistable () {
 233     return this.video.isBlackistableBy(this.user)
 234   }
 235
 236   getVideoPoster () {
 237     if (!this.video) return ''
 238
 239     return this.video.previewUrl
 240   }
 241
 242   getVideoTags () {
 243     if (!this.video || Array.isArray(this.video.tags) === false) return []
 244
 245     return this.video.tags.join(', ')
 246   }
 247
 248   isVideoRemovable () {
 249     return this.video.isRemovableBy(this.authService.getUser())
 250   }
 251
 252   async removeVideo (event: Event) {
 253     event.preventDefault()
 254
 255     const res = await this.confirmService.confirm(this.i18n('Do you really want to delete this video?'), this.i18n('Delete'))
 256     if (res === false) return
 257
 258     this.videoService.removeVideo(this.video.id)
 259         .subscribe(
 260           status => {
 261             this.notificationsService.success(
 262               this.i18n('Success'),
 263               this.i18n('Video {{videoName}} deleted.', { videoName: this.video.name })
 264             )
 265
 266             // Go back to the video-list.
 267             this.redirectService.redirectToHomepage()
 268           },
 269
 270           error => this.notificationsService.error(this.i18n('Error'), error.message)
 271         )
 272   }
 273
 274   acceptedPrivacyConcern () {
 275     peertubeLocalStorage.setItem(VideoWatchComponent.LOCAL_STORAGE_PRIVACY_CONCERN_KEY, 'true')
 276     this.hasAlreadyAcceptedPrivacyConcern = true
 277   }
 278
 279   isVideoToTranscode () {
 280     return this.video && this.video.state.id === VideoState.TO_TRANSCODE
 281   }
 282
 283   hasVideoScheduledPublication () {
 284     return this.video && this.video.scheduledUpdate !== undefined
 285   }
 286
 287   private updateVideoDescription (description: string) {
 288     this.video.description = description
 289     this.setVideoDescriptionHTML()
 290   }
 291
 292   private setVideoDescriptionHTML () {
 293     if (!this.video.description) {
 294       this.videoHTMLDescription = ''
 295       return
 296     }
 297
 298     this.videoHTMLDescription = this.markdownService.textMarkdownToHTML(this.video.description)
 299   }
 300
 301   private setVideoLikesBarTooltipText () {
 302     this.likesBarTooltipText = this.i18n('{{likesNumber}} likes / {{dislikesNumber}} dislikes', {
 303       likesNumber: this.video.likes,
 304       dislikesNumber: this.video.dislikes
 305     })
 306   }
 307
 308   private handleError (err: any) {
 309     const errorMessage: string = typeof err === 'string' ? err : err.message
 310     if (!errorMessage) return
 311
 312     let message = ''
 313
 314     if (errorMessage.indexOf('http error') !== -1) {
 315       message = this.i18n('Cannot fetch video from server, maybe down.')
 316     } else {
 317       message = errorMessage
 318     }
 319
 320     this.notificationsService.error(this.i18n('Error'), message)
 321   }
 322
 323   private checkUserRating () {
 324     // Unlogged users do not have ratings
 325     if (this.isUserLoggedIn() === false) return
 326
 327     this.videoService.getUserVideoRating(this.video.id)
 328         .subscribe(
 329           ratingObject => {
 330             if (ratingObject) {
 331               this.userRating = ratingObject.rating
 332             }
 333           },
 334
 335           err => this.notificationsService.error(this.i18n('Error'), err.message)
 336         )
 337   }
 338
 339   private async onVideoFetched (video: VideoDetails, startTime = 0) {
 340     this.video = video
 341
 342     // Re init attributes
 343     this.descriptionLoading = false
 344     this.completeDescriptionShown = false
 345
 346     this.updateOtherVideosDisplayed()
 347
 348     if (this.video.isVideoNSFWForUser(this.user, this.serverService.getConfig())) {
 349       const res = await this.confirmService.confirm(
 350         this.i18n('This video contains mature or explicit content. Are you sure you want to watch it?'),
 351         this.i18n('Mature or explicit content')
 352       )
 353       if (res === false) return this.redirectService.redirectToHomepage()
 354     }
 355
 356     // Flush old player if needed
 357     this.flushPlayer()
 358
 359     // Build video element, because videojs remove it on dispose
 360     const playerElementWrapper = this.elementRef.nativeElement.querySelector('#video-element-wrapper')
 361     this.playerElement = document.createElement('video')
 362     this.playerElement.className = 'video-js vjs-peertube-skin'
 363     this.playerElement.setAttribute('playsinline', 'true')
 364     playerElementWrapper.appendChild(this.playerElement)
 365
 366     const videojsOptions = getVideojsOptions({
 367       autoplay: this.isAutoplay(),
 368       inactivityTimeout: 2500,
 369       videoFiles: this.video.files,
 370       playerElement: this.playerElement,
 371       videoViewUrl: this.video.privacy.id !== VideoPrivacy.PRIVATE ? this.videoService.getVideoViewUrl(this.video.uuid) : null,
 372       videoDuration: this.video.duration,
 373       enableHotkeys: true,
 374       peertubeLink: false,
 375       poster: this.video.previewUrl,
 376       startTime,
 377       theaterMode: true
 378     })
 379
 380     if (this.videojsLocaleLoaded === false) {
 381       await loadLocale(environment.apiUrl, videojs, isOnDevLocale() ? getDevLocale() : this.localeId)
 382       this.videojsLocaleLoaded = true
 383     }
 384
 385     const self = this
 386     this.zone.runOutsideAngular(async () => {
 387       videojs(this.playerElement, videojsOptions, function () {
 388         self.player = this
 389         this.on('customError', (event, data) => self.handleError(data.err))
 390
 391         addContextMenu(self.player, self.video.embedUrl)
 392       })
 393     })
 394
 395     this.setVideoDescriptionHTML()
 396     this.setVideoLikesBarTooltipText()
 397
 398     this.setOpenGraphTags()
 399     this.checkUserRating()
 400   }
 401
 402   private setRating (nextRating) {
 403     let method
 404     switch (nextRating) {
 405       case 'like':
 406         method = this.videoService.setVideoLike
 407         break
 408       case 'dislike':
 409         method = this.videoService.setVideoDislike
 410         break
 411       case 'none':
 412         method = this.videoService.unsetVideoLike
 413         break
 414     }
 415
 416     method.call(this.videoService, this.video.id)
 417           .subscribe(
 418             () => {
 419               // Update the video like attribute
 420               this.updateVideoRating(this.userRating, nextRating)
 421               this.userRating = nextRating
 422             },
 423
 424             err => this.notificationsService.error(this.i18n('Error'), err.message)
 425           )
 426   }
 427
 428   private updateVideoRating (oldRating: UserVideoRateType, newRating: VideoRateType) {
 429     let likesToIncrement = 0
 430     let dislikesToIncrement = 0
 431
 432     if (oldRating) {
 433       if (oldRating === 'like') likesToIncrement--
 434       if (oldRating === 'dislike') dislikesToIncrement--
 435     }
 436
 437     if (newRating === 'like') likesToIncrement++
 438     if (newRating === 'dislike') dislikesToIncrement++
 439
 440     this.video.likes += likesToIncrement
 441     this.video.dislikes += dislikesToIncrement
 442
 443     this.video.buildLikeAndDislikePercents()
 444     this.setVideoLikesBarTooltipText()
 445   }
 446
 447   private updateOtherVideosDisplayed () {
 448     if (this.video && this.otherVideos && this.otherVideos.length > 0) {
 449       this.otherVideosDisplayed = this.otherVideos.filter(v => v.uuid !== this.video.uuid)
 450     }
 451   }
 452
 453   private setOpenGraphTags () {
 454     this.metaService.setTitle(this.video.name)
 455
 456     this.metaService.setTag('og:type', 'video')
 457
 458     this.metaService.setTag('og:title', this.video.name)
 459     this.metaService.setTag('name', this.video.name)
 460
 461     this.metaService.setTag('og:description', this.video.description)
 462     this.metaService.setTag('description', this.video.description)
 463
 464     this.metaService.setTag('og:image', this.video.previewPath)
 465
 466     this.metaService.setTag('og:duration', this.video.duration.toString())
 467
 468     this.metaService.setTag('og:site_name', 'PeerTube')
 469
 470     this.metaService.setTag('og:url', window.location.href)
 471     this.metaService.setTag('url', window.location.href)
 472   }
 473
 474   private isAutoplay () {
 475     // We'll jump to the thread id, so do not play the video
 476     if (this.route.snapshot.params['threadId']) return false
 477
 478     // Otherwise true by default
 479     if (!this.user) return true
 480
 481     // Be sure the autoPlay is set to false
 482     return this.user.autoPlayVideo !== false
 483   }
 484
 485   private flushPlayer () {
 486     // Remove player if it exists
 487     if (this.player) {
 488       this.player.dispose()
 489       this.player = undefined
 490     }
 491   }
 492 }