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, 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   private updateVideoDescription (description: string) {
 284     this.video.description = description
 285     this.setVideoDescriptionHTML()
 286   }
 287
 288   private setVideoDescriptionHTML () {
 289     if (!this.video.description) {
 290       this.videoHTMLDescription = ''
 291       return
 292     }
 293
 294     this.videoHTMLDescription = this.markdownService.textMarkdownToHTML(this.video.description)
 295   }
 296
 297   private setVideoLikesBarTooltipText () {
 298     this.likesBarTooltipText = this.i18n('{{likesNumber}} likes / {{dislikesNumber}} dislikes', {
 299       likesNumber: this.video.likes,
 300       dislikesNumber: this.video.dislikes
 301     })
 302   }
 303
 304   private handleError (err: any) {
 305     const errorMessage: string = typeof err === 'string' ? err : err.message
 306     if (!errorMessage) return
 307
 308     let message = ''
 309
 310     if (errorMessage.indexOf('http error') !== -1) {
 311       message = this.i18n('Cannot fetch video from server, maybe down.')
 312     } else {
 313       message = errorMessage
 314     }
 315
 316     this.notificationsService.error(this.i18n('Error'), message)
 317   }
 318
 319   private checkUserRating () {
 320     // Unlogged users do not have ratings
 321     if (this.isUserLoggedIn() === false) return
 322
 323     this.videoService.getUserVideoRating(this.video.id)
 324         .subscribe(
 325           ratingObject => {
 326             if (ratingObject) {
 327               this.userRating = ratingObject.rating
 328             }
 329           },
 330
 331           err => this.notificationsService.error(this.i18n('Error'), err.message)
 332         )
 333   }
 334
 335   private async onVideoFetched (video: VideoDetails, startTime = 0) {
 336     this.video = video
 337
 338     // Re init attributes
 339     this.descriptionLoading = false
 340     this.completeDescriptionShown = false
 341
 342     this.updateOtherVideosDisplayed()
 343
 344     if (this.video.isVideoNSFWForUser(this.user, this.serverService.getConfig())) {
 345       const res = await this.confirmService.confirm(
 346         this.i18n('This video contains mature or explicit content. Are you sure you want to watch it?'),
 347         this.i18n('Mature or explicit content')
 348       )
 349       if (res === false) return this.redirectService.redirectToHomepage()
 350     }
 351
 352     // Flush old player if needed
 353     this.flushPlayer()
 354
 355     // Build video element, because videojs remove it on dispose
 356     const playerElementWrapper = this.elementRef.nativeElement.querySelector('#video-element-wrapper')
 357     this.playerElement = document.createElement('video')
 358     this.playerElement.className = 'video-js vjs-peertube-skin'
 359     this.playerElement.setAttribute('playsinline', 'true')
 360     playerElementWrapper.appendChild(this.playerElement)
 361
 362     const videojsOptions = getVideojsOptions({
 363       autoplay: this.isAutoplay(),
 364       inactivityTimeout: 2500,
 365       videoFiles: this.video.files,
 366       playerElement: this.playerElement,
 367       videoViewUrl: this.videoService.getVideoViewUrl(this.video.uuid),
 368       videoDuration: this.video.duration,
 369       enableHotkeys: true,
 370       peertubeLink: false,
 371       poster: this.video.previewUrl,
 372       startTime,
 373       theaterMode: true
 374     })
 375
 376     if (this.videojsLocaleLoaded === false) {
 377       await loadLocale(environment.apiUrl, videojs, isOnDevLocale() ? getDevLocale() : this.localeId)
 378       this.videojsLocaleLoaded = true
 379     }
 380
 381     const self = this
 382     this.zone.runOutsideAngular(async () => {
 383       videojs(this.playerElement, videojsOptions, function () {
 384         self.player = this
 385         this.on('customError', (event, data) => self.handleError(data.err))
 386
 387         addContextMenu(self.player, self.video.embedUrl)
 388       })
 389     })
 390
 391     this.setVideoDescriptionHTML()
 392     this.setVideoLikesBarTooltipText()
 393
 394     this.setOpenGraphTags()
 395     this.checkUserRating()
 396   }
 397
 398   private setRating (nextRating) {
 399     let method
 400     switch (nextRating) {
 401       case 'like':
 402         method = this.videoService.setVideoLike
 403         break
 404       case 'dislike':
 405         method = this.videoService.setVideoDislike
 406         break
 407       case 'none':
 408         method = this.videoService.unsetVideoLike
 409         break
 410     }
 411
 412     method.call(this.videoService, this.video.id)
 413           .subscribe(
 414             () => {
 415               // Update the video like attribute
 416               this.updateVideoRating(this.userRating, nextRating)
 417               this.userRating = nextRating
 418             },
 419
 420             err => this.notificationsService.error(this.i18n('Error'), err.message)
 421           )
 422   }
 423
 424   private updateVideoRating (oldRating: UserVideoRateType, newRating: VideoRateType) {
 425     let likesToIncrement = 0
 426     let dislikesToIncrement = 0
 427
 428     if (oldRating) {
 429       if (oldRating === 'like') likesToIncrement--
 430       if (oldRating === 'dislike') dislikesToIncrement--
 431     }
 432
 433     if (newRating === 'like') likesToIncrement++
 434     if (newRating === 'dislike') dislikesToIncrement++
 435
 436     this.video.likes += likesToIncrement
 437     this.video.dislikes += dislikesToIncrement
 438
 439     this.video.buildLikeAndDislikePercents()
 440     this.setVideoLikesBarTooltipText()
 441   }
 442
 443   private updateOtherVideosDisplayed () {
 444     if (this.video && this.otherVideos && this.otherVideos.length > 0) {
 445       this.otherVideosDisplayed = this.otherVideos.filter(v => v.uuid !== this.video.uuid)
 446     }
 447   }
 448
 449   private setOpenGraphTags () {
 450     this.metaService.setTitle(this.video.name)
 451
 452     this.metaService.setTag('og:type', 'video')
 453
 454     this.metaService.setTag('og:title', this.video.name)
 455     this.metaService.setTag('name', this.video.name)
 456
 457     this.metaService.setTag('og:description', this.video.description)
 458     this.metaService.setTag('description', this.video.description)
 459
 460     this.metaService.setTag('og:image', this.video.previewPath)
 461
 462     this.metaService.setTag('og:duration', this.video.duration.toString())
 463
 464     this.metaService.setTag('og:site_name', 'PeerTube')
 465
 466     this.metaService.setTag('og:url', window.location.href)
 467     this.metaService.setTag('url', window.location.href)
 468   }
 469
 470   private isAutoplay () {
 471     // We'll jump to the thread id, so do not play the video
 472     if (this.route.snapshot.params['threadId']) return false
 473
 474     // Otherwise true by default
 475     if (!this.user) return true
 476
 477     // Be sure the autoPlay is set to false
 478     return this.user.autoPlayVideo !== false
 479   }
 480
 481   private flushPlayer () {
 482     // Remove player if it exists
 483     if (this.player) {
 484       this.player.dispose()
 485       this.player = undefined
 486     }
 487   }
 488 }