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

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