import { catchError } from 'rxjs/operators'
import { ChangeDetectorRef, Component, ElementRef, Inject, LOCALE_ID, NgZone, OnDestroy, OnInit, ViewChild } from '@angular/core'
import { ActivatedRoute, Router } from '@angular/router'
import { RedirectService } from '@app/core/routing/redirect.service'
import { peertubeLocalStorage } from '@app/shared/misc/peertube-local-storage'
import { VideoSupportComponent } from '@app/videos/+video-watch/modal/video-support.component'
import { MetaService } from '@ngx-meta/core'
import { NotificationsService } from 'angular2-notifications'
import { forkJoin, Subscription } from 'rxjs'
import * as videojs from 'video.js'
import 'videojs-hotkeys'
import * as WebTorrent from 'webtorrent'
import { UserVideoRateType, VideoPrivacy, VideoRateType, VideoState } from '../../../../../shared'
import '../../../assets/player/peertube-videojs-plugin'
import { AuthService, ConfirmService } from '../../core'
import { RestExtractor, VideoBlacklistService } from '../../shared'
import { VideoDetails } from '../../shared/video/video-details.model'
import { Video } from '../../shared/video/video.model'
import { VideoService } from '../../shared/video/video.service'
import { MarkdownService } from '../shared'
import { VideoDownloadComponent } from './modal/video-download.component'
import { VideoReportComponent } from './modal/video-report.component'
import { VideoShareComponent } from './modal/video-share.component'
import { VideoBlacklistComponent } from './modal/video-blacklist.component'
import { addContextMenu, getVideojsOptions, loadLocale } from '../../../assets/player/peertube-player'
import { ServerService } from '@app/core'
import { I18n } from '@ngx-translate/i18n-polyfill'
import { environment } from '../../../environments/environment'
import { getDevLocale, isOnDevLocale } from '@app/shared/i18n/i18n-utils'
import { VideoCaptionService } from '@app/shared/video-caption'
import { VideoCaption } from '../../../../../shared/models/videos/video-caption.model'
@Component({
selector: 'my-video-watch',
templateUrl: './video-watch.component.html',
styleUrls: [ './video-watch.component.scss' ]
})
export class VideoWatchComponent implements OnInit, OnDestroy {
private static LOCAL_STORAGE_PRIVACY_CONCERN_KEY = 'video-watch-privacy-concern'
@ViewChild('videoDownloadModal') videoDownloadModal: VideoDownloadComponent
@ViewChild('videoShareModal') videoShareModal: VideoShareComponent
@ViewChild('videoReportModal') videoReportModal: VideoReportComponent
@ViewChild('videoSupportModal') videoSupportModal: VideoSupportComponent
@ViewChild('videoBlacklistModal') videoBlacklistModal: VideoBlacklistComponent
otherVideosDisplayed: Video[] = []
player: videojs.Player
playerElement: HTMLVideoElement
userRating: UserVideoRateType = null
video: VideoDetails = null
descriptionLoading = false
completeDescriptionShown = false
completeVideoDescription: string
shortVideoDescription: string
videoHTMLDescription = ''
likesBarTooltipText = ''
hasAlreadyAcceptedPrivacyConcern = false
remoteServerDown = false
private videojsLocaleLoaded = false
private otherVideos: Video[] = []
private paramsSub: Subscription
constructor (
private elementRef: ElementRef,
private changeDetector: ChangeDetectorRef,
private route: ActivatedRoute,
private router: Router,
private videoService: VideoService,
private videoBlacklistService: VideoBlacklistService,
private confirmService: ConfirmService,
private metaService: MetaService,
private authService: AuthService,
private serverService: ServerService,
private restExtractor: RestExtractor,
private notificationsService: NotificationsService,
private markdownService: MarkdownService,
private zone: NgZone,
private redirectService: RedirectService,
private videoCaptionService: VideoCaptionService,
private i18n: I18n,
@Inject(LOCALE_ID) private localeId: string
) {}
get user () {
return this.authService.getUser()
}
ngOnInit () {
if (
WebTorrent.WEBRTC_SUPPORT === false ||
peertubeLocalStorage.getItem(VideoWatchComponent.LOCAL_STORAGE_PRIVACY_CONCERN_KEY) === 'true'
) {
this.hasAlreadyAcceptedPrivacyConcern = true
}
this.videoService.getVideos({ currentPage: 1, itemsPerPage: 5 }, '-createdAt')
.subscribe(
data => {
this.otherVideos = data.videos
this.updateOtherVideosDisplayed()
},
err => console.error(err)
)
this.paramsSub = this.route.params.subscribe(routeParams => {
const uuid = routeParams[ 'uuid' ]
// Video did not change
if (this.video && this.video.uuid === uuid) return
if (this.player) this.player.pause()
// Video did change
forkJoin(
this.videoService.getVideo(uuid),
this.videoCaptionService.listCaptions(uuid)
)
.pipe(
// If 401, the video is private or blacklisted so redirect to 404
catchError(err => this.restExtractor.redirectTo404IfNotFound(err, [ 400, 401, 404 ]))
)
.subscribe(([ video, captionsResult ]) => {
const startTime = this.route.snapshot.queryParams.start
this.onVideoFetched(video, captionsResult.data, startTime)
.catch(err => this.handleError(err))
})
})
}
ngOnDestroy () {
this.flushPlayer()
// Unsubscribe subscriptions
this.paramsSub.unsubscribe()
}
setLike () {
if (this.isUserLoggedIn() === false) return
if (this.userRating === 'like') {
// Already liked this video
this.setRating('none')
} else {
this.setRating('like')
}
}
setDislike () {
if (this.isUserLoggedIn() === false) return
if (this.userRating === 'dislike') {
// Already disliked this video
this.setRating('none')
} else {
this.setRating('dislike')
}
}
showMoreDescription () {
if (this.completeVideoDescription === undefined) {
return this.loadCompleteDescription()
}
this.updateVideoDescription(this.completeVideoDescription)
this.completeDescriptionShown = true
}
showLessDescription () {
this.updateVideoDescription(this.shortVideoDescription)
this.completeDescriptionShown = false
}
loadCompleteDescription () {
this.descriptionLoading = true
this.videoService.loadCompleteDescription(this.video.descriptionPath)
.subscribe(
description => {
this.completeDescriptionShown = true
this.descriptionLoading = false
this.shortVideoDescription = this.video.description
this.completeVideoDescription = description
this.updateVideoDescription(this.completeVideoDescription)
},
error => {
this.descriptionLoading = false
this.notificationsService.error(this.i18n('Error'), error.message)
}
)
}
showReportModal (event: Event) {
event.preventDefault()
this.videoReportModal.show()
}
showSupportModal () {
this.videoSupportModal.show()
}
showShareModal () {
this.videoShareModal.show()
}
showDownloadModal (event: Event) {
event.preventDefault()
this.videoDownloadModal.show()
}
showBlacklistModal (event: Event) {
event.preventDefault()
this.videoBlacklistModal.show()
}
async unblacklistVideo (event: Event) {
event.preventDefault()
const confirmMessage = this.i18n(
'Do you really want to remove this video from the blacklist? It will be available again in the videos list.'
)
const res = await this.confirmService.confirm(confirmMessage, this.i18n('Unblacklist'))
if (res === false) return
this.videoBlacklistService.removeVideoFromBlacklist(this.video.id).subscribe(
() => {
this.notificationsService.success(
this.i18n('Success'),
this.i18n('Video {{name}} removed from the blacklist.', { name: this.video.name })
)
this.video.blacklisted = false
this.video.blacklistedReason = null
},
err => this.notificationsService.error(this.i18n('Error'), err.message)
)
}
isUserLoggedIn () {
return this.authService.isLoggedIn()
}
isVideoUpdatable () {
return this.video.isUpdatableBy(this.authService.getUser())
}
isVideoBlacklistable () {
return this.video.isBlackistableBy(this.user)
}
isVideoUnblacklistable () {
return this.video.isUnblacklistableBy(this.user)
}
getVideoPoster () {
if (!this.video) return ''
return this.video.previewUrl
}
getVideoTags () {
if (!this.video || Array.isArray(this.video.tags) === false) return []
return this.video.tags
}
isVideoRemovable () {
return this.video.isRemovableBy(this.authService.getUser())
}
async removeVideo (event: Event) {
event.preventDefault()
const res = await this.confirmService.confirm(this.i18n('Do you really want to delete this video?'), this.i18n('Delete'))
if (res === false) return
this.videoService.removeVideo(this.video.id)
.subscribe(
status => {
this.notificationsService.success(
this.i18n('Success'),
this.i18n('Video {{videoName}} deleted.', { videoName: this.video.name })
)
// Go back to the video-list.
this.redirectService.redirectToHomepage()
},
error => this.notificationsService.error(this.i18n('Error'), error.message)
)
}
acceptedPrivacyConcern () {
peertubeLocalStorage.setItem(VideoWatchComponent.LOCAL_STORAGE_PRIVACY_CONCERN_KEY, 'true')
this.hasAlreadyAcceptedPrivacyConcern = true
}
isVideoToTranscode () {
return this.video && this.video.state.id === VideoState.TO_TRANSCODE
}
isVideoToImport () {
return this.video && this.video.state.id === VideoState.TO_IMPORT
}
hasVideoScheduledPublication () {
return this.video && this.video.scheduledUpdate !== undefined
}
private updateVideoDescription (description: string) {
this.video.description = description
this.setVideoDescriptionHTML()
}
private setVideoDescriptionHTML () {
this.videoHTMLDescription = this.markdownService.textMarkdownToHTML(this.video.description)
}
private setVideoLikesBarTooltipText () {
this.likesBarTooltipText = this.i18n('{{likesNumber}} likes / {{dislikesNumber}} dislikes', {
likesNumber: this.video.likes,
dislikesNumber: this.video.dislikes
})
}
private handleError (err: any) {
const errorMessage: string = typeof err === 'string' ? err : err.message
if (!errorMessage) return
// Display a message in the video player instead of a notification
if (errorMessage.indexOf('from xs param') !== -1) {
this.flushPlayer()
this.remoteServerDown = true
this.changeDetector.detectChanges()
return
}
this.notificationsService.error(this.i18n('Error'), errorMessage)
}
private checkUserRating () {
// Unlogged users do not have ratings
if (this.isUserLoggedIn() === false) return
this.videoService.getUserVideoRating(this.video.id)
.subscribe(
ratingObject => {
if (ratingObject) {
this.userRating = ratingObject.rating
}
},
err => this.notificationsService.error(this.i18n('Error'), err.message)
)
}
private async onVideoFetched (video: VideoDetails, videoCaptions: VideoCaption[], startTime = 0) {
this.video = video
// Re init attributes
this.descriptionLoading = false
this.completeDescriptionShown = false
this.remoteServerDown = false
this.updateOtherVideosDisplayed()
if (this.video.isVideoNSFWForUser(this.user, this.serverService.getConfig())) {
const res = await this.confirmService.confirm(
this.i18n('This video contains mature or explicit content. Are you sure you want to watch it?'),
this.i18n('Mature or explicit content')
)
if (res === false) return this.redirectService.redirectToHomepage()
}
// Flush old player if needed
this.flushPlayer()
// Build video element, because videojs remove it on dispose
const playerElementWrapper = this.elementRef.nativeElement.querySelector('#video-element-wrapper')
this.playerElement = document.createElement('video')
this.playerElement.className = 'video-js vjs-peertube-skin'
this.playerElement.setAttribute('playsinline', 'true')
playerElementWrapper.appendChild(this.playerElement)
const playerCaptions = videoCaptions.map(c => ({
label: c.language.label,
language: c.language.id,
src: environment.apiUrl + c.captionPath
}))
const videojsOptions = getVideojsOptions({
autoplay: this.isAutoplay(),
inactivityTimeout: 2500,
videoFiles: this.video.files,
videoCaptions: playerCaptions,
playerElement: this.playerElement,
videoViewUrl: this.video.privacy.id !== VideoPrivacy.PRIVATE ? this.videoService.getVideoViewUrl(this.video.uuid) : null,
videoDuration: this.video.duration,
enableHotkeys: true,
peertubeLink: false,
poster: this.video.previewUrl,
startTime,
theaterMode: true
})
if (this.videojsLocaleLoaded === false) {
await loadLocale(environment.apiUrl, videojs, isOnDevLocale() ? getDevLocale() : this.localeId)
this.videojsLocaleLoaded = true
}
const self = this
this.zone.runOutsideAngular(async () => {
videojs(this.playerElement, videojsOptions, function () {
self.player = this
this.on('customError', (event, data) => self.handleError(data.err))
addContextMenu(self.player, self.video.embedUrl)
})
})
this.setVideoDescriptionHTML()
this.setVideoLikesBarTooltipText()
this.setOpenGraphTags()
this.checkUserRating()
}
private setRating (nextRating) {
let method
switch (nextRating) {
case 'like':
method = this.videoService.setVideoLike
break
case 'dislike':
method = this.videoService.setVideoDislike
break
case 'none':
method = this.videoService.unsetVideoLike
break
}
method.call(this.videoService, this.video.id)
.subscribe(
() => {
// Update the video like attribute
this.updateVideoRating(this.userRating, nextRating)
this.userRating = nextRating
},
err => this.notificationsService.error(this.i18n('Error'), err.message)
)
}
private updateVideoRating (oldRating: UserVideoRateType, newRating: VideoRateType) {
let likesToIncrement = 0
let dislikesToIncrement = 0
if (oldRating) {
if (oldRating === 'like') likesToIncrement--
if (oldRating === 'dislike') dislikesToIncrement--
}
if (newRating === 'like') likesToIncrement++
if (newRating === 'dislike') dislikesToIncrement++
this.video.likes += likesToIncrement
this.video.dislikes += dislikesToIncrement
this.video.buildLikeAndDislikePercents()
this.setVideoLikesBarTooltipText()
}
private updateOtherVideosDisplayed () {
if (this.video && this.otherVideos && this.otherVideos.length > 0) {
this.otherVideosDisplayed = this.otherVideos.filter(v => v.uuid !== this.video.uuid)
}
}
private setOpenGraphTags () {
this.metaService.setTitle(this.video.name)
this.metaService.setTag('og:type', 'video')
this.metaService.setTag('og:title', this.video.name)
this.metaService.setTag('name', this.video.name)
this.metaService.setTag('og:description', this.video.description)
this.metaService.setTag('description', this.video.description)
this.metaService.setTag('og:image', this.video.previewPath)
this.metaService.setTag('og:duration', this.video.duration.toString())
this.metaService.setTag('og:site_name', 'PeerTube')
this.metaService.setTag('og:url', window.location.href)
this.metaService.setTag('url', window.location.href)
}
private isAutoplay () {
// We'll jump to the thread id, so do not play the video
if (this.route.snapshot.params['threadId']) return false
// Otherwise true by default
if (!this.user) return true
// Be sure the autoPlay is set to false
return this.user.autoPlayVideo !== false
}
private flushPlayer () {
// Remove player if it exists
if (this.player) {
this.player.dispose()
this.player = undefined
}
}
}