import { Component, ElementRef, NgZone, OnDestroy, OnInit, ViewChild } from '@angular/core' import { ActivatedRoute, Router } from '@angular/router' import { Observable } from 'rxjs/Observable' import { Subscription } from 'rxjs/Subscription' import * as videojs from 'video.js' import { MetaService } from '@nglibs/meta' import { NotificationsService } from 'angular2-notifications' import { AuthService, ConfirmService } from '../../core' import { VideoMagnetComponent } from './video-magnet.component' import { VideoShareComponent } from './video-share.component' import { VideoReportComponent } from './video-report.component' import { Video, VideoService } from '../shared' import { WebTorrentService } from './webtorrent.service' import { UserVideoRateType, VideoRateType, UserVideoRate } from '../../../../../shared' @Component({ selector: 'my-video-watch', templateUrl: './video-watch.component.html', styleUrls: [ './video-watch.component.scss' ] }) export class VideoWatchComponent implements OnInit, OnDestroy { private static LOADTIME_TOO_LONG = 20000 @ViewChild('videoMagnetModal') videoMagnetModal: VideoMagnetComponent @ViewChild('videoShareModal') videoShareModal: VideoShareComponent @ViewChild('videoReportModal') videoReportModal: VideoReportComponent downloadSpeed: number error = false loading = false numPeers: number player: videojs.Player playerElement: Element uploadSpeed: number userRating: UserVideoRateType = null video: Video = null videoNotFound = false private errorTimer: number private paramsSub: Subscription private errorsSub: Subscription private warningsSub: Subscription private torrentInfosInterval: number constructor ( private elementRef: ElementRef, private ngZone: NgZone, private route: ActivatedRoute, private router: Router, private videoService: VideoService, private confirmService: ConfirmService, private metaService: MetaService, private webTorrentService: WebTorrentService, private authService: AuthService, private notificationsService: NotificationsService ) {} ngOnInit () { this.paramsSub = this.route.params.subscribe(routeParams => { let id = routeParams['id'] this.videoService.getVideo(id).subscribe( video => this.onVideoFetched(video), error => { console.error(error) this.videoNotFound = true } ) }) this.playerElement = this.elementRef.nativeElement.querySelector('#video-container') const videojsOptions = { controls: true, autoplay: false } const self = this videojs(this.playerElement, videojsOptions, function () { self.player = this }) this.errorsSub = this.webTorrentService.errors.subscribe(err => this.notificationsService.error('Error', err.message)) this.warningsSub = this.webTorrentService.errors.subscribe(err => this.notificationsService.alert('Warning', err.message)) } ngOnDestroy () { // Remove WebTorrent stuff console.log('Removing video from webtorrent.') window.clearInterval(this.torrentInfosInterval) window.clearTimeout(this.errorTimer) if (this.video !== null && this.webTorrentService.has(this.video.magnetUri)) { this.webTorrentService.remove(this.video.magnetUri) } // Remove player videojs(this.playerElement).dispose() // Unsubscribe subscriptions this.paramsSub.unsubscribe() this.errorsSub.unsubscribe() this.warningsSub.unsubscribe() } loadVideo () { // Reset the error this.error = false // We are loading the video this.loading = true console.log('Adding ' + this.video.magnetUri + '.') // The callback might never return if there are network issues // So we create a timer to inform the user the load is abnormally long this.errorTimer = window.setTimeout(() => this.loadTooLong(), VideoWatchComponent.LOADTIME_TOO_LONG) this.webTorrentService.add(this.video.magnetUri, (torrent) => { // Clear the error timer window.clearTimeout(this.errorTimer) // Maybe the error was fired by the timer, so reset it this.error = false // We are not loading the video anymore this.loading = false console.log('Added ' + this.video.magnetUri + '.') torrent.files[0].renderTo(this.playerElement, { autoplay: true }, (err) => { if (err) { this.notificationsService.error('Error', 'Cannot append the file in the video element.') console.error(err) } }) this.runInProgress(torrent) }) } setLike () { if (this.isUserLoggedIn() === false) return // Already liked this video if (this.userRating === 'like') return this.videoService.setVideoLike(this.video.id) .subscribe( () => { // Update the video like attribute this.updateVideoRating(this.userRating, 'like') this.userRating = 'like' }, err => this.notificationsService.error('Error', err.text) ) } setDislike () { if (this.isUserLoggedIn() === false) return // Already disliked this video if (this.userRating === 'dislike') return this.videoService.setVideoDislike(this.video.id) .subscribe( () => { // Update the video dislike attribute this.updateVideoRating(this.userRating, 'dislike') this.userRating = 'dislike' }, err => this.notificationsService.error('Error', err.text) ) } removeVideo (event: Event) { event.preventDefault() this.confirmService.confirm('Do you really want to delete this video?', 'Delete').subscribe( res => { if (res === false) return this.videoService.removeVideo(this.video.id) .subscribe( status => { this.notificationsService.success('Success', `Video ${this.video.name} deleted.`) // Go back to the video-list. this.router.navigate(['/videos/list']) }, error => this.notificationsService.error('Error', error.text) ) } ) } blacklistVideo (event: Event) { event.preventDefault() this.confirmService.confirm('Do you really want to blacklist this video ?', 'Blacklist').subscribe( res => { if (res === false) return this.videoService.blacklistVideo(this.video.id) .subscribe( status => { this.notificationsService.success('Success', `Video ${this.video.name} had been blacklisted.`) this.router.navigate(['/videos/list']) }, error => this.notificationsService.error('Error', error.text) ) } ) } showReportModal (event: Event) { event.preventDefault() this.videoReportModal.show() } showShareModal () { this.videoShareModal.show() } showMagnetUriModal (event: Event) { event.preventDefault() this.videoMagnetModal.show() } isUserLoggedIn () { return this.authService.isLoggedIn() } canUserUpdateVideo () { return this.video.isUpdatableBy(this.authService.getUser()) } isVideoRemovable () { return this.video.isRemovableBy(this.authService.getUser()) } isVideoBlacklistable () { return this.video.isBlackistableBy(this.authService.getUser()) } 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('Error', err.text) ) } private onVideoFetched (video: Video) { this.video = video let observable if (this.video.isVideoNSFWForUser(this.authService.getUser())) { observable = this.confirmService.confirm('This video is not safe for work. Are you sure you want to watch it?', 'NSFW') } else { observable = Observable.of(true) } observable.subscribe( res => { if (res === false) { return this.router.navigate([ '/videos/list' ]) } this.setOpenGraphTags() this.loadVideo() this.checkUserRating() } ) } 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 } private loadTooLong () { this.error = true console.error('The video load seems to be abnormally long.') } 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.thumbnailPath) 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 runInProgress (torrent: any) { // Refresh each second this.torrentInfosInterval = window.setInterval(() => { this.ngZone.run(() => { this.downloadSpeed = torrent.downloadSpeed this.numPeers = torrent.numPeers this.uploadSpeed = torrent.uploadSpeed }) }, 1000) } }