358 lines
11 KiB
TypeScript
358 lines
11 KiB
TypeScript
import { Component, ElementRef, NgZone, OnDestroy, OnInit, ViewChild } from '@angular/core'
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import { ActivatedRoute, Router } from '@angular/router'
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import { Observable } from 'rxjs/Observable'
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import { Subscription } from 'rxjs/Subscription'
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import videojs from 'video.js'
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import { MetaService } from '@ngx-meta/core'
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import { NotificationsService } from 'angular2-notifications'
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import { AuthService, ConfirmService } from '../../core'
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import { VideoMagnetComponent } from './video-magnet.component'
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import { VideoShareComponent } from './video-share.component'
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import { VideoReportComponent } from './video-report.component'
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import { Video, VideoService } from '../shared'
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import { WebTorrentService } from './webtorrent.service'
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import { UserVideoRateType, VideoRateType, UserVideoRate } from '../../../../../shared'
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@Component({
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selector: 'my-video-watch',
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templateUrl: './video-watch.component.html',
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styleUrls: [ './video-watch.component.scss' ]
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})
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export class VideoWatchComponent implements OnInit, OnDestroy {
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private static LOADTIME_TOO_LONG = 20000
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@ViewChild('videoMagnetModal') videoMagnetModal: VideoMagnetComponent
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@ViewChild('videoShareModal') videoShareModal: VideoShareComponent
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@ViewChild('videoReportModal') videoReportModal: VideoReportComponent
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downloadSpeed: number
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error = false
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loading = false
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numPeers: number
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player: videojs.Player
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playerElement: HTMLMediaElement
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uploadSpeed: number
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userRating: UserVideoRateType = null
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video: Video = null
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videoNotFound = false
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private errorTimer: number
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private paramsSub: Subscription
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private errorsSub: Subscription
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private torrentInfosInterval: number
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constructor (
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private elementRef: ElementRef,
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private ngZone: NgZone,
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private route: ActivatedRoute,
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private router: Router,
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private videoService: VideoService,
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private confirmService: ConfirmService,
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private metaService: MetaService,
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private webTorrentService: WebTorrentService,
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private authService: AuthService,
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private notificationsService: NotificationsService
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) {}
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ngOnInit () {
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this.paramsSub = this.route.params.subscribe(routeParams => {
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let uuid = routeParams['uuid']
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this.videoService.getVideo(uuid).subscribe(
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video => this.onVideoFetched(video),
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error => {
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console.error(error)
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this.videoNotFound = true
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}
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)
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})
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this.playerElement = this.elementRef.nativeElement.querySelector('#video-container')
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const videojsOptions = {
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controls: true,
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autoplay: true
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}
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const self = this
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videojs(this.playerElement, videojsOptions, function () {
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self.player = this
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})
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this.errorsSub = this.webTorrentService.errors.subscribe(err => this.handleError(err))
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}
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ngOnDestroy () {
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// Remove WebTorrent stuff
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console.log('Removing video from webtorrent.')
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window.clearInterval(this.torrentInfosInterval)
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window.clearTimeout(this.errorTimer)
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if (this.video !== null && this.webTorrentService.has(this.video.getDefaultMagnetUri())) {
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this.webTorrentService.remove(this.video.getDefaultMagnetUri())
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}
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// Remove player
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videojs(this.playerElement).dispose()
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// Unsubscribe subscriptions
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this.paramsSub.unsubscribe()
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this.errorsSub.unsubscribe()
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}
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loadVideo () {
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// Reset the error
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this.error = false
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// We are loading the video
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this.loading = true
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console.log('Adding ' + this.video.getDefaultMagnetUri() + '.')
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// The callback might never return if there are network issues
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// So we create a timer to inform the user the load is abnormally long
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this.errorTimer = window.setTimeout(() => this.loadTooLong(), VideoWatchComponent.LOADTIME_TOO_LONG)
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const torrent = this.webTorrentService.add(this.video.getDefaultMagnetUri(), torrent => {
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// Clear the error timer
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window.clearTimeout(this.errorTimer)
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// Maybe the error was fired by the timer, so reset it
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this.error = false
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// We are not loading the video anymore
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this.loading = false
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console.log('Added ' + this.video.getDefaultMagnetUri() + '.')
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torrent.files[0].renderTo(this.playerElement, (err) => {
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if (err) {
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this.notificationsService.error('Error', 'Cannot append the file in the video element.')
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console.error(err)
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}
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// Hack to "simulate" src link in video.js >= 6
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// If no, we can't play the video after pausing it
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// https://github.com/videojs/video.js/blob/master/src/js/player.js#L1633
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(this.player as any).src = () => true
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this.player.play()
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})
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this.runInProgress(torrent)
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})
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torrent.on('error', err => this.handleError(err))
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torrent.on('warning', err => this.handleError(err))
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}
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setLike () {
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if (this.isUserLoggedIn() === false) return
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// Already liked this video
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if (this.userRating === 'like') return
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this.videoService.setVideoLike(this.video.id)
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.subscribe(
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() => {
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// Update the video like attribute
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this.updateVideoRating(this.userRating, 'like')
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this.userRating = 'like'
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},
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err => this.notificationsService.error('Error', err.text)
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)
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}
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setDislike () {
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if (this.isUserLoggedIn() === false) return
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// Already disliked this video
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if (this.userRating === 'dislike') return
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this.videoService.setVideoDislike(this.video.id)
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.subscribe(
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() => {
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// Update the video dislike attribute
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this.updateVideoRating(this.userRating, 'dislike')
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this.userRating = 'dislike'
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},
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err => this.notificationsService.error('Error', err.text)
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)
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}
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removeVideo (event: Event) {
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event.preventDefault()
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this.confirmService.confirm('Do you really want to delete this video?', 'Delete').subscribe(
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res => {
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if (res === false) return
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this.videoService.removeVideo(this.video.id)
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.subscribe(
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status => {
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this.notificationsService.success('Success', `Video ${this.video.name} deleted.`)
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// Go back to the video-list.
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this.router.navigate(['/videos/list'])
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},
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error => this.notificationsService.error('Error', error.text)
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)
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}
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)
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}
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blacklistVideo (event: Event) {
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event.preventDefault()
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this.confirmService.confirm('Do you really want to blacklist this video ?', 'Blacklist').subscribe(
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res => {
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if (res === false) return
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this.videoService.blacklistVideo(this.video.id)
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.subscribe(
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status => {
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this.notificationsService.success('Success', `Video ${this.video.name} had been blacklisted.`)
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this.router.navigate(['/videos/list'])
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},
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error => this.notificationsService.error('Error', error.text)
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)
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}
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)
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}
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showReportModal (event: Event) {
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event.preventDefault()
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this.videoReportModal.show()
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}
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showShareModal () {
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this.videoShareModal.show()
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}
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showMagnetUriModal (event: Event) {
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event.preventDefault()
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this.videoMagnetModal.show()
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}
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isUserLoggedIn () {
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return this.authService.isLoggedIn()
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}
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canUserUpdateVideo () {
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return this.video.isUpdatableBy(this.authService.getUser())
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}
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isVideoRemovable () {
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return this.video.isRemovableBy(this.authService.getUser())
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}
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isVideoBlacklistable () {
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return this.video.isBlackistableBy(this.authService.getUser())
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}
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private handleError (err: any) {
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const errorMessage: string = typeof err === 'string' ? err : err.message
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let message = ''
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if (errorMessage.indexOf('http error') !== -1) {
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message = 'Cannot fetch video from server, maybe down.'
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} else {
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message = errorMessage
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}
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this.notificationsService.error('Error', message)
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}
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private checkUserRating () {
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// Unlogged users do not have ratings
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if (this.isUserLoggedIn() === false) return
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this.videoService.getUserVideoRating(this.video.id)
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.subscribe(
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ratingObject => {
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if (ratingObject) {
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this.userRating = ratingObject.rating
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}
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},
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err => this.notificationsService.error('Error', err.text)
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)
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}
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private onVideoFetched (video: Video) {
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this.video = video
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let observable
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if (this.video.isVideoNSFWForUser(this.authService.getUser())) {
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observable = this.confirmService.confirm('This video is not safe for work. Are you sure you want to watch it?', 'NSFW')
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} else {
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observable = Observable.of(true)
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}
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observable.subscribe(
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res => {
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if (res === false) {
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return this.router.navigate([ '/videos/list' ])
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}
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this.setOpenGraphTags()
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this.loadVideo()
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this.checkUserRating()
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}
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)
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}
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private updateVideoRating (oldRating: UserVideoRateType, newRating: VideoRateType) {
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let likesToIncrement = 0
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let dislikesToIncrement = 0
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if (oldRating) {
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if (oldRating === 'like') likesToIncrement--
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if (oldRating === 'dislike') dislikesToIncrement--
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}
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if (newRating === 'like') likesToIncrement++
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if (newRating === 'dislike') dislikesToIncrement++
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this.video.likes += likesToIncrement
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this.video.dislikes += dislikesToIncrement
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}
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private loadTooLong () {
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this.error = true
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console.error('The video load seems to be abnormally long.')
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}
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private setOpenGraphTags () {
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this.metaService.setTitle(this.video.name)
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this.metaService.setTag('og:type', 'video')
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this.metaService.setTag('og:title', this.video.name)
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this.metaService.setTag('name', this.video.name)
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this.metaService.setTag('og:description', this.video.description)
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this.metaService.setTag('description', this.video.description)
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this.metaService.setTag('og:image', this.video.previewPath)
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this.metaService.setTag('og:duration', this.video.duration.toString())
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this.metaService.setTag('og:site_name', 'PeerTube')
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this.metaService.setTag('og:url', window.location.href)
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this.metaService.setTag('url', window.location.href)
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}
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private runInProgress (torrent: any) {
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// Refresh each second
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this.torrentInfosInterval = window.setInterval(() => {
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this.ngZone.run(() => {
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this.downloadSpeed = torrent.downloadSpeed
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this.numPeers = torrent.numPeers
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this.uploadSpeed = torrent.uploadSpeed
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})
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}, 1000)
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}
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}
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